CN101710073A - Method for detecting physical and chemical indexes of reconstituted tobacco by near infrared spectrum detection paper making method - Google Patents
Method for detecting physical and chemical indexes of reconstituted tobacco by near infrared spectrum detection paper making method Download PDFInfo
- Publication number
- CN101710073A CN101710073A CN 200910218319 CN200910218319A CN101710073A CN 101710073 A CN101710073 A CN 101710073A CN 200910218319 CN200910218319 CN 200910218319 CN 200910218319 A CN200910218319 A CN 200910218319A CN 101710073 A CN101710073 A CN 101710073A
- Authority
- CN
- China
- Prior art keywords
- physical
- spectrum
- near infrared
- chemical indexes
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to a method for detecting physical and chemical indexes of reconstituted tobacco by a near infrared spectrum detection paper making method, which comprises the following steps of: carrying out the detection of the physical and chemical indexes on collected samples one by one by a standard method to obtain quantitative reference data; scanning and collecting spectrums of all the samples, carrying out spectrum preprocessing and eliminating the influence of noise and baseline drift; then corresponding spectrum data to the reference data of all physical and chemical indexes obtained by the standard method one to one and establishing a quantitative model by a partial least square method and mutual verification; carrying out accuracy and reproducibility inspection and then storing the quantitative model in a computer. When the physical and chemical component content of the reconstituted tobacco product samples to be detected needs to be detected, the near infrared spectrum data of the samples to be detected are scanned and collected, and the physical and chemical indexes of the samples to be detected can be analyzed by calling the quantitative model. The method has rapid and accurate detection and low analyzing cost without damaging the analyzing samples and pollution.
Description
Technical field
The present invention relates to a detection method that grows tobacco physical and chemical indexes, be specifically related to the detection method of the conventional physical and chemical indexes of a kind of papermaking-method reconstituted tobaccos product.
Background technology
It is to be raw material with offal, cigarette foam, discarded tobacco leaf that papermaking-method reconstituted tobaccos is called tobacco sheets by paper making method again, through leaching concentrate, making beating manufactures paper with pulp, is coated with drying and other steps, comprehensive utilization extraction, separation, papermaking, recombinant technique production near in addition be better than the tobacco high-tech product of natural tobacco leaf.Characteristics such as reconstituted tobacoo has that density is little, filling value height, pliability are good with anti-processability, become a silk rate height, have good burning performance, releasing content of coke tar is low and product plasticity is strong.The quality of reconstituted tobacco quality, the chemical composition content inherent with it has than confidential relation.Therefore, to every kind of reconstituted tobacco product evaluation and quality control, all need to select to measure the main conventional physical and chemical indexes of its part, as composition and content such as moisture, ash content, water-soluble sugar, reducing sugar, nicotine, total nitrogen, potassium, chlorine, nitrate radical, cellulose, lignin, starch, pectin, protein.Tobacco business adopts Continuous Flow Analysis instrument method to measure usually at present.This detection method exists analysis time long, expends reagent, complicated operation, and defectives such as the serious hysteresis of analysis result can't be carried out rapid and accurate analysis detection to end product quality, thereby be influenced and restricted the controlling level and the control ability of reconstituted tobacco product quality.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of detection method of the physical and chemical indexes of papermaking-method reconstituted tobaccos fast and accurately is provided.
Purpose of the present invention is achieved by the following technical programs.
Utilize near infrared spectrum to detect the method for papermaking-method reconstituted tobaccos physical and chemical indexes, may further comprise the steps:
1. collect and prepare a collection of papermaking-method reconstituted tobaccos sample;
2. utilize standard method that collected sample is carried out the mensuration of physical and chemical indexes one by one, obtain quantitative reference data;
3. use the spectrum of each sample of specscan system scanning collection again
4. the original spectrum that collects is carried out the spectrum pre-service, abate the noise and the influence of baseline wander;
5. the spectroscopic data that 4. step is obtained and step 2. every physical and chemical indexes reference data of obtaining of standard method carry out correspondingly one by one, adopt partial least square method (PLS1) and mutual-check to set up quantitative model;
6. reject the exceptional value of spectrum and chemical score, set up quantitative model more accurately, be kept in the computing machine;
7. carry out the accuracy and the reappearance check of quantitative model;
8. use the near infrared spectrum data of specscan system scanning collection reconstituted tobacco outturn sample to be measured, call the quantitative model analysis that is stored in the computing machine, obtain the materialization component content of reconstituted tobacco outturn sample to be measured.
The papermaking-method reconstituted tobaccos sample that 1. step of the present invention collects preparation is sheet or 40 purpose powdered samples.The 2. described standard method of step is meant the method for Chinese tobacco industry recommended standard YC/T16.3-2003 " reconstituted tobacco third part: paper process ", YC/T159-2002 " the mensuration continuous flow method of tobacco and tobacco product water-soluble sugar " regulation.The present invention is to adopt the diffuse reflection mode with the spectroscopic data of specscan system scanning collection sample.The described pre-service that spectrum is carried out is meant spectrum is carried out level and smooth and single order or second order differentiate pre-service.
The superiority of near-infrared spectral analysis technology mainly shows in the following areas:
A. analysis speed is fast: the measuring process of spectrum generally can be finished in 1～2min, but the chemical constitution or the character of sample by the quantitative model rapid test of setting up.
B. analysis efficiency height:, can measure the multiple composition and the character of sample simultaneously by the measurement of a spectrum and a plurality of quantitative models of having set up.
C. belong to the non-destructive analysis technology: do not damage sample in the near-infrared spectral measurement process, from the outward appearance to inside, can not exert an influence to sample.
D. analysis cost is low, pollution-free: do not consume sample itself in the sample analysis process, do not use any chemical reagent, analysis cost reduces significantly, and environment is not caused any pollution, belongs to " the green analysis " technology.
E. sample does not generally need pre-service, easy to operate: because stronger penetration capacity and the scattering effect of near infrared light, the power of states of matter and transmittancy can select for use transmission and diffuse reflection to survey the spectrum mode per sample, can directly measure the sample of different states of matters such as liquid, solid, semisolid and gluey class by corresponding load sample device.
F. test favorable reproducibility: because the stability of spectral measurement, the less artificial factor that is subjected to of test result is compared with standard or reference method, and near infrared spectrum generally demonstrates better reappearance.
G. be convenient to be implemented in line analysis: because near infrared spectrum good transport property in optical fiber can make analytical instrument away from the sampling location by optical fiber, be particularly suitable for production run and badly reach sample analysis under the hazardous environment, be implemented in line analysis and remote monitoring.
In addition, because the conventional physical and chemical indexes content of reconstituted tobacco product is general all greater than 0.1%, can satisfy the measurement sensitivity requirement of near-infrared spectral analysis technology.
The invention provides a kind of The pretreatment that do not need, detection speed soon, does not consume reagent, pollution-free, environmental protection, the high papermaking-method reconstituted tobaccos physical and chemical indexes near-infrared spectral analytical method of accuracy.Solve the conventional physical and chemical indexes of existing papermaking-method reconstituted tobaccos and detected deficiencies such as required time is long, reagent consumption is big, the hysteresis of detection feedback.
Embodiment
The present invention is described in further detail below by embodiment, but they are not limitation of the invention.
Embodiment 1:
1. collect A, B, C, D, E, F, G, H, I, J10 product line 100-800 papermaking-method reconstituted tobaccos finished product sheet sample altogether.
2. utilize in Chinese tobacco industry standard YC/T16.3-2003 " reconstituted tobacco third part: the paper process " test method main flume and chemical index detection method that each reconstituted tobacco finished product sheet sample of collecting is carried out water-soluble sugar, nicotine, potassium, chlorinity and measure, obtain conventional materialization component content reference data; The detection method of reducing sugar index is with reference to YC/T159-2002 " the mensuration continuous flow method of tobacco and tobacco product water-soluble sugar ".
3. use specscan system, utilize near-infrared spectrum technique to adopt irreflexive mode that above-mentioned reconstituted tobacco sheet sample is carried out spectral scan one by one, the spectrum that collects each sample is original abosrption spectrogram.
4. carry out level and smooth one by one to the original spectrum of each sample and first derivation is handled, influence with baseline wander abates the noise.
5. the spectroscopic data of all samples that 4. step is obtained carries out corresponding one by one with every physical and chemical indexes reference data that standard method obtains, use partial least square method the spectroscopic data physical and chemical indexes determination data corresponding with it carried out statistical fit, foundation obtains the quantitative model of water-soluble sugar, reducing sugar, nicotine, chlorine, potassium index and deposits computing machine in.The quantitative model correlation parameter sees Table 1.
The correlation parameter of table 1 papermaking-method reconstituted tobaccos finished product sheet sample quantitative model
| Index | Related coefficient | Optimum main gene | Cross-check is all just estimated residual error | Prediction content range (%) |
| Water-soluble sugar | ??0.95132 | ??14 | ??0.351 | ??8.65-15.64 |
| Reducing sugar | ??0.95937 | ??14 | ??0.300 | ??7.64-13.20 |
| Nicotine | ??0.97719 | ??28 | ??0.0195 | ??0.52-1.14 |
| Chlorine | ??0.96908 | ??19 | ??0.0193 | ??0.43-0.76 |
| Potassium | ??0.97249 | ??20 | ??0.0527 | ??1.61-2.53 |
By table 1 as seen, the correlativity of nicotine, total reducing sugar, reducing sugar, chlorine, potassium model is respectively 0.97719,0.95132,0.95937,0.96908,0.97249, has significant linear relationship between the physical and chemical indexes of spectroscopic data and reconstituted tobacco sheet sample, the near infrared spectrum that the reconstituted tobacco sheet sample is described includes and the closely-related information of physical and chemical indexes, and the check and analysis of making physical and chemical indexes of near infrared spectrum are fully feasible.
When setting up mathematical model, should adopt these two parameters of spectrum influence value Leverage and chemical score error residual to reject the exceptional value of spectrum and chemical score respectively, set up quantitative model more accurately, be kept in the computing machine.
In order to ensure the accuracy and the reliability of follow-up reconstituted tobacco product physical and chemical indexes check and analysis, present embodiment has also carried out reappearance and accuracy checking to the quantitative model of being set up, and proof procedure is as follows:
A. reappearance checking
Adopt reconstituted tobacco water-soluble sugar, reducing sugar, nicotine, chlorion and the potassium ion quantitative model set up that same sample has been carried out 6 parallel spectral scans, analysis result is as shown in table 2.
Table 2 reconstituted tobacco sheet sample near-infrared model reappearance checking result
| Order | Water-soluble sugar | Reducing sugar | Nicotine | Chlorion | Potassium ion |
| ??1 | ??13.98 | ??11.73 | ??0.76 | ??0.50 | ??1.85 |
| ??2 | ??13.65 | ??11.41 | ??0.75 | ??0.49 | ??1.73 |
| ??3 | ??14.27 | ??11.99 | ??0.80 | ??0.51 | ??1.87 |
| ??4 | ??13.52 | ??11.46 | ??0.78 | ??0.50 | ??1.80 |
| ??5 | ??13.76 | ??11.62 | ??0.75 | ??0.51 | ??1.88 |
| Order | Water-soluble sugar | Reducing sugar | Nicotine | Chlorion | Potassium ion |
| ??6 | ??13.92 | ??11.67 | ??0.76 | ??0.54 | ??1.91 |
| Mean value | ??13.85 | ??11.65 | ??0.77 | ??0.51 | ??1.84 |
| Standard deviation | ??0.26 | ??0.21 | ??0.02 | ??0.02 | ??0.07 |
| ??RSD(％) | ??1.91 | ??1.79 | ??2.66 | ??3.36 | ??3.58 |
As can be seen from Table 2, the relative standard deviation RSD (coefficient of variation)＜5% of reconstituted tobacco sheet sample water-soluble sugar, reducing sugar, nicotine, chlorion and 6 measured values of potassium ion model illustrates that the quantitative model of being set up has reappearance preferably to sample determination.
B. accuracy checking
Gather 100 papermaking-method reconstituted tobaccos finished product sheet samples (also claiming outside blind sample) in addition, good quantitative model predicts that predicting the outcome is shown in Table 3 to utilize foundation.
Table 3 modelling verification deviation summary sheet
| The index verification deviation | Nicotine | Water-soluble sugar | Reducing sugar | Potassium ion | Chlorion |
| The external certificate deviation | ??1.93％ | ??2.52％ | ??2.48％ | ??2.86％ | ??1.49％ |
From table 3, the forecasting accuracy of model is fine.The outside Blind Test mean relative deviation of nicotine, water-soluble sugar, reducing sugar, potassium, chlorine index is respectively 1.93%, 2.52%, 2.48%, 2.86%, 1.49%.
By checking, determined to adopt the feasibility of near infrared spectrum to the conventional physical and chemical indexes content detection of papermaking-method reconstituted tobaccos sheet sample.
6. use the near infrared spectrum data of 3 samples of specscan system scanning collection reconstituted tobacco product to be measured, call the quantitative model analysis that is stored in the computing machine, obtain the materialization component content of reconstituted tobacco outturn sample to be measured respectively, as shown in table 4.
Table 4 reconstituted tobacco sheet sample materialization to be measured component content table
Can find out that from the deviation of table 4 quantitative model detected value and standard method detected value near infrared spectrum detection method is to the detection accuracy height of the conventional materialization component content of sheet reconstituted tobacco product.
Embodiment 2:
1. collect A, B, C, D, E, F, G, H, I, J10 product line 100-800 papermaking-method reconstituted tobaccos sample altogether, it is Powdered to be prepared as 40 purposes.
2. utilize in Chinese tobacco industry standard YC/T16.3-2003 " reconstituted tobacco third part: the paper process " test method main flume and chemical index detection method that each reconstituted tobacco finished product sheet sample of collecting is carried out water-soluble sugar, nicotine, potassium, chlorinity and measure, obtain conventional materialization component content reference data; The detection method of reducing sugar index is with reference to YC/T159-2002 " the mensuration continuous flow method of tobacco and tobacco product water-soluble sugar ".
3. use specscan system, utilize near-infrared spectrum technique to adopt the diffuse reflection mode that above-mentioned reconstituted tobacco powder sample is carried out spectral scan one by one, the spectrum that collects each sample is original abosrption spectrogram.
4. carry out level and smooth one by one to the original spectrum of each sample and the second order differentiate is handled, influence with baseline wander abates the noise.
5. the spectroscopic data of all samples that 4. step is obtained carries out corresponding one by one with every physical and chemical indexes reference data that standard method obtains, use partial least square method the spectroscopic data physical and chemical indexes determination data corresponding with it carried out statistical fit, foundation obtains the quantitative model of water-soluble sugar, reducing sugar, nicotine, chlorine, potassium index and deposits computing machine in.The quantitative model correlation parameter sees Table 5.
The correlation parameter of table 5 papermaking-method reconstituted tobaccos finished product powdered sample quantitative model
| Index | Related coefficient | Optimum main gene | Cross-check is all just estimated residual error | Prediction content range (%) |
| Water-soluble sugar | ??0.97150 | ??14 | ??0.255 | ??8.65-15.64 |
| Reducing sugar | ??0.97762 | ??15 | ??0.218 | ??7.64-13.20 |
| Nicotine | ??0.97099 | ??18 | ??0.0215 | ??0.52-1.17 |
| Chlorine | ??0.96715 | ??23 | ??0.0127 | ??0.43-0.73 |
| Potassium | ??0.97318 | ??16 | ??0.0404 | ??1.60-2.55 |
After quantitative model is set up, the reappearance of each index in the model adopted as method as described in the embodiment 1 verify that the RSD value of nicotine, water-soluble sugar, reducing sugar, chlorion, potassium ion is respectively 1.47%, 1.65%, 2.54%, 3.10%, 3.16%, 3.47%.Utilize the good quantitative model of foundation that 20-100 outside blind sample predicted that specifically predicting the outcome sees Table 6 in addition.
Table 6 modelling verification deviation summary sheet
| The index verification deviation | Nicotine | Total reducing sugar | Reducing sugar | Potassium | Chlorine |
| The external certificate deviation | ??1.75％ | ??2.48％ | ??2.54％ | ??2.69％ | ??1.41％ |
From table 6, the forecasting accuracy of model is fine.The outside Blind Test mean relative deviation of nicotine, water-soluble sugar, reducing sugar, potassium ion, chlorion index is respectively 1.75%, 2.48%, 2.54%, 2.69%, 1.41%.
6. use the near infrared spectrum data of 3 powdered samples of specscan system scanning collection reconstituted tobacco product to be measured, call the quantitative model analysis that is stored in the computing machine, obtain the materialization component content of reconstituted tobacco product powdered samples to be measured respectively, as shown in table 7.
Table 7 reconstituted tobacco powder sample to be measured materialization component content table
Can find out that from the deviation of table 7 quantitative model detected value and standard method detected value near infrared spectrum detection method is to the detection accuracy height of the conventional materialization component content of powder reconstituted tobacco product.
The sample of each step of the present invention all can be obtained in producing the enterprise of papermaking-method reconstituted tobaccos, and the composition of sample, manufacturing process etc. are not had specific (special) requirements.
Claims (6)
1. utilize near infrared spectrum to detect the method for papermaking-method reconstituted tobaccos physical and chemical indexes, it is characterized in that, may further comprise the steps:
1. collect and prepare a collection of papermaking-method reconstituted tobaccos sample;
2. utilize standard method that collected sample is carried out the mensuration of physical and chemical indexes one by one, obtain quantitative reference data;
3. use the spectrum of each sample of specscan system scanning collection again;
4. the original spectrum that collects is carried out the spectrum pre-service, abate the noise and the influence of baseline wander;
5. the spectroscopic data that 4. step is obtained and step 2. every physical and chemical indexes reference data of obtaining of standard method carry out correspondingly one by one, adopt partial least square method and cross-check to set up quantitative model;
6. reject the exceptional value of spectrum and chemical score, set up quantitative model more accurately, be kept in the computing machine; , 7. carry out the check of the accuracy of quantitative model and reappearance;
8. use the near infrared spectrum data of specscan system scanning collection reconstituted tobacco outturn sample to be measured, call the quantitative model analysis that is stored in the computing machine, obtain the materialization component content of reconstituted tobacco outturn sample to be measured.
2. the method for utilizing near infrared spectrum to detect the papermaking-method reconstituted tobaccos physical and chemical indexes according to claim 1 is characterized in that the papermaking-method reconstituted tobaccos sample that 1. step collects preparation is sheet or 40 purpose powdered samples.
3. the method for utilizing near infrared spectrum to detect the papermaking-method reconstituted tobaccos physical and chemical indexes according to claim 1, it is characterized in that the 2. described standard method of step is meant the method for Chinese tobacco industry recommended standard YC/T16.3-2003 " reconstituted tobacco third part: paper process ", YC/T159-2002 " the mensuration continuous flow method of tobacco and tobacco product water-soluble sugar " regulation.
4. the method for utilizing near infrared spectrum to detect the papermaking-method reconstituted tobaccos physical and chemical indexes according to claim 1 is characterized in that, is employing diffuse reflection mode with the spectroscopic data of specscan system scanning collection sample.
5. the method for utilizing near infrared spectrum to detect the papermaking-method reconstituted tobaccos physical and chemical indexes according to claim 1 is characterized in that, the described pre-service that spectrum is carried out is meant spectrum is carried out level and smooth and single order or second order differentiate pre-service.
6. the method for utilizing near infrared spectrum to detect the papermaking-method reconstituted tobaccos physical and chemical indexes according to claim 1, it is characterized in that, adopt these two parameters of spectrum influence value (Leverage) and chemical score error (residual) to reject the exceptional value of spectrum and chemical score respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910218319 CN101710073A (en) | 2009-12-10 | 2009-12-10 | Method for detecting physical and chemical indexes of reconstituted tobacco by near infrared spectrum detection paper making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910218319 CN101710073A (en) | 2009-12-10 | 2009-12-10 | Method for detecting physical and chemical indexes of reconstituted tobacco by near infrared spectrum detection paper making method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101710073A true CN101710073A (en) | 2010-05-19 |
Family
ID=42402870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910218319 Pending CN101710073A (en) | 2009-12-10 | 2009-12-10 | Method for detecting physical and chemical indexes of reconstituted tobacco by near infrared spectrum detection paper making method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101710073A (en) |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313708A (en) * | 2010-06-29 | 2012-01-11 | 北京市农林科学院 | Method for quantitatively detecting capsaicine |
| CN102640983A (en) * | 2012-04-16 | 2012-08-22 | 红云红河烟草(集团)有限责任公司 | Cutting method for tobacco leaf section threshing redrying |
| CN102721619A (en) * | 2012-07-02 | 2012-10-10 | 云南烟草科学研究院 | Test method for bursting strength of tobaccos reconstituted by papermaking method |
| CN103091282A (en) * | 2013-02-06 | 2013-05-08 | 吉林烟草工业有限责任公司 | Method for detecting quality of tobacco essence perfume |
| CN103852441A (en) * | 2014-02-21 | 2014-06-11 | 广东中烟工业有限责任公司 | Method for quantitative detection of tobacco lignin by adopting mid-infrared spectroscopy |
| CN104568828A (en) * | 2015-01-30 | 2015-04-29 | 云南中烟工业有限责任公司 | Method for determining tensile strength of reproduced tobacco leaves of papermaking method by near-infrared diffuse reflection spectrum |
| CN104596980A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring hot water solvends of reconstituted tobacco by paper-making process by virtue of near infrared reflectance spectroscopy technique |
| CN104596977A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for determining smoldering rate of paper-making reconstituted tobacco through ear infrared reflectance spectroscopy technique |
| CN104596975A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring lignin of reconstituted tobacco by paper-making process by virtue of near infrared reflectance spectroscopy technique |
| CN104596982A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring pectin of paper-making reconstituted tobacco by near-infrared diffuse reflection spectrum technology |
| CN104596974A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring paper process reconstituted tobacco filling value via near infrared diffuse reflection spectroscopy |
| CN104596979A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring cellulose of reconstituted tobacco by virtue of near infrared reflectance spectroscopy technique |
| CN104596976A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for determining protein of paper-making reconstituted tobacco through ear infrared reflectance spectroscopy technique |
| CN104596978A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for determining quantitative physical indexes of paper-making tobacco sheet by virtue of near-infrared reflectance spectroscopy |
| CN105021564A (en) * | 2015-08-06 | 2015-11-04 | 云南同创检测技术股份有限公司 | Method for determining content of ergosterol in tobacco based on near infrared spectroscopic analysis technology |
| CN109738389A (en) * | 2019-01-15 | 2019-05-10 | 西派特（北京）科技有限公司 | Alkali fibre component quantifying test method based on near-infrared spectrum technique |
| CN110160985A (en) * | 2019-06-19 | 2019-08-23 | 红云红河烟草(集团)有限责任公司 | A kind of method of the online chemical component detector test nicotine content of adjustment |
| CN110702482A (en) * | 2019-10-23 | 2020-01-17 | 云南烟叶复烤有限责任公司楚雄复烤厂 | Preparation and application of tobacco chemical component off-line near-infrared detection monitoring sample |
| CN111781162A (en) * | 2020-07-14 | 2020-10-16 | 上海烟草集团有限责任公司 | Method, system, service device and readable storage medium for manufacturing tobacco sheets |
| CN112684029A (en) * | 2020-12-05 | 2021-04-20 | 云南省烟草农业科学研究院 | Method and device for rapidly detecting maturity of tobacco leaves based on content of different metabolites of tobacco leaves |
| CN113804644A (en) * | 2021-09-18 | 2021-12-17 | 贵州省烟草科学研究院 | Tobacco leaf curing process chemical index prediction method based on near infrared spectrum |
| CN114441470A (en) * | 2020-11-05 | 2022-05-06 | 上海烟草集团有限责任公司 | Method, system, medium and apparatus for predictive regulation of chemical constituents in tobacco sheet |
-
2009
- 2009-12-10 CN CN 200910218319 patent/CN101710073A/en active Pending
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313708A (en) * | 2010-06-29 | 2012-01-11 | 北京市农林科学院 | Method for quantitatively detecting capsaicine |
| CN102640983A (en) * | 2012-04-16 | 2012-08-22 | 红云红河烟草(集团)有限责任公司 | Cutting method for tobacco leaf section threshing redrying |
| CN102640983B (en) * | 2012-04-16 | 2014-04-16 | 红云红河烟草(集团)有限责任公司 | Cutting method for tobacco leaf segmenting, threshing and redrying |
| CN102721619A (en) * | 2012-07-02 | 2012-10-10 | 云南烟草科学研究院 | Test method for bursting strength of tobaccos reconstituted by papermaking method |
| CN103091282A (en) * | 2013-02-06 | 2013-05-08 | 吉林烟草工业有限责任公司 | Method for detecting quality of tobacco essence perfume |
| CN103091282B (en) * | 2013-02-06 | 2015-04-01 | 吉林烟草工业有限责任公司 | Method for detecting quality of tobacco essence perfume |
| CN103852441A (en) * | 2014-02-21 | 2014-06-11 | 广东中烟工业有限责任公司 | Method for quantitative detection of tobacco lignin by adopting mid-infrared spectroscopy |
| CN104596974A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring paper process reconstituted tobacco filling value via near infrared diffuse reflection spectroscopy |
| CN104596980A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring hot water solvends of reconstituted tobacco by paper-making process by virtue of near infrared reflectance spectroscopy technique |
| CN104596977A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for determining smoldering rate of paper-making reconstituted tobacco through ear infrared reflectance spectroscopy technique |
| CN104596975A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring lignin of reconstituted tobacco by paper-making process by virtue of near infrared reflectance spectroscopy technique |
| CN104596982A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring pectin of paper-making reconstituted tobacco by near-infrared diffuse reflection spectrum technology |
| CN104568828A (en) * | 2015-01-30 | 2015-04-29 | 云南中烟工业有限责任公司 | Method for determining tensile strength of reproduced tobacco leaves of papermaking method by near-infrared diffuse reflection spectrum |
| CN104596979A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for measuring cellulose of reconstituted tobacco by virtue of near infrared reflectance spectroscopy technique |
| CN104596976A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for determining protein of paper-making reconstituted tobacco through ear infrared reflectance spectroscopy technique |
| CN104596978A (en) * | 2015-01-30 | 2015-05-06 | 云南中烟工业有限责任公司 | Method for determining quantitative physical indexes of paper-making tobacco sheet by virtue of near-infrared reflectance spectroscopy |
| CN105021564A (en) * | 2015-08-06 | 2015-11-04 | 云南同创检测技术股份有限公司 | Method for determining content of ergosterol in tobacco based on near infrared spectroscopic analysis technology |
| CN109738389A (en) * | 2019-01-15 | 2019-05-10 | 西派特（北京）科技有限公司 | Alkali fibre component quantifying test method based on near-infrared spectrum technique |
| CN110160985A (en) * | 2019-06-19 | 2019-08-23 | 红云红河烟草(集团)有限责任公司 | A kind of method of the online chemical component detector test nicotine content of adjustment |
| CN110702482A (en) * | 2019-10-23 | 2020-01-17 | 云南烟叶复烤有限责任公司楚雄复烤厂 | Preparation and application of tobacco chemical component off-line near-infrared detection monitoring sample |
| CN111781162A (en) * | 2020-07-14 | 2020-10-16 | 上海烟草集团有限责任公司 | Method, system, service device and readable storage medium for manufacturing tobacco sheets |
| CN114441470A (en) * | 2020-11-05 | 2022-05-06 | 上海烟草集团有限责任公司 | Method, system, medium and apparatus for predictive regulation of chemical constituents in tobacco sheet |
| CN114441470B (en) * | 2020-11-05 | 2023-12-22 | 上海烟草集团有限责任公司 | Method, system, medium and equipment for predictive regulation of chemical components in tobacco sheets |
| CN112684029A (en) * | 2020-12-05 | 2021-04-20 | 云南省烟草农业科学研究院 | Method and device for rapidly detecting maturity of tobacco leaves based on content of different metabolites of tobacco leaves |
| CN113804644A (en) * | 2021-09-18 | 2021-12-17 | 贵州省烟草科学研究院 | Tobacco leaf curing process chemical index prediction method based on near infrared spectrum |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101710073A (en) | Method for detecting physical and chemical indexes of reconstituted tobacco by near infrared spectrum detection paper making method | |
| CN102506731B (en) | Method for detecting reconstituted tobacco thickness in papermaking process by utilizing near infrared spectrums | |
| CN101710072A (en) | Method for detecting physical and chemical indexes of reconstituted tobacco extracting solution and tobacco extracting paste by near infrared spectrum detection paper making method | |
| CN104897607A (en) | Food modeling and rapid detecting integration method and system adopting portable NIRS (near infrared spectroscopy) | |
| CN103033486B (en) | Method for near infrared spectrum monitoring of quality of pericarpium citri reticulatae and citrus chachiensis hortorum medicinal materials | |
| CN102636450A (en) | Method for detecting wolfberry polyose content in Chinese wolfberry in a nondestructive way based on near infrared spectrum technology | |
| CN105158195A (en) | Method for rapidly determining holocellulose content of pulping material based on near-infrared spectrum technology | |
| CN101498658A (en) | Flue gas chemical constituents prediction method based on Fourier transform near infrared spectrum of Cambridge filter capturing flue gas particulate matter | |
| CN101387624B (en) | Diagnostic method for essential chemical component of flue-cured tobacco | |
| CN105717066A (en) | Near-infrared spectrum recognition model based on weighting association coefficients | |
| CN111537469A (en) | Apple quality rapid nondestructive testing method based on near-infrared technology | |
| CN104596979A (en) | Method for measuring cellulose of reconstituted tobacco by virtue of near infrared reflectance spectroscopy technique | |
| CN104596975A (en) | Method for measuring lignin of reconstituted tobacco by paper-making process by virtue of near infrared reflectance spectroscopy technique | |
| CN101900673A (en) | Method of on-line non-destructive testing paper performance | |
| CN104596981A (en) | Method for distinguishing paper process reconstituted tobacco products via near infrared spectroscopy in combination with PLS-DA | |
| CN104596976A (en) | Method for determining protein of paper-making reconstituted tobacco through ear infrared reflectance spectroscopy technique | |
| CN105223140A (en) | The method for quickly identifying of homology material | |
| CN105699324A (en) | Method for rapidly detecting content of flavones in cyclocarya paliurus leaves | |
| CN104713846A (en) | Modeling method for rapidly detecting content of starch in tobacco by using near infrared spectroscopy | |
| CN111272686A (en) | Hyperspectral detection method for iron grade of iron ore mineral powder | |
| CN104596980A (en) | Method for measuring hot water solvends of reconstituted tobacco by paper-making process by virtue of near infrared reflectance spectroscopy technique | |
| CN114088661A (en) | Online prediction method for chemical components in tobacco leaf curing process based on transfer learning and near infrared spectrum | |
| CN104568828A (en) | Method for determining tensile strength of reproduced tobacco leaves of papermaking method by near-infrared diffuse reflection spectrum | |
| CN110567385A (en) | Hyperspectral technology-based construction thickness detection method for building reflective insulation coating | |
| CN111337452A (en) | Method for verifying feasibility of spectral data model transfer algorithm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20100519 |