CN108132226B - 橡胶补强剂炭黑的太赫兹光谱定量分析方法 - Google Patents
橡胶补强剂炭黑的太赫兹光谱定量分析方法 Download PDFInfo
- Publication number
- CN108132226B CN108132226B CN201810186401.9A CN201810186401A CN108132226B CN 108132226 B CN108132226 B CN 108132226B CN 201810186401 A CN201810186401 A CN 201810186401A CN 108132226 B CN108132226 B CN 108132226B
- Authority
- CN
- China
- Prior art keywords
- sample
- carbon black
- spectrum
- terahertz
- reinforcing agent
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 56
- 238000001228 spectrum Methods 0.000 title claims abstract description 37
- 239000006229 carbon black Substances 0.000 title claims abstract description 36
- 229920001971 elastomer Polymers 0.000 title claims abstract description 25
- 239000005060 rubber Substances 0.000 title claims abstract description 25
- 238000004445 quantitative analysis Methods 0.000 title claims abstract description 19
- 239000012744 reinforcing agent Substances 0.000 title claims abstract description 16
- 239000013598 vector Substances 0.000 claims abstract description 39
- 238000012937 correction Methods 0.000 claims abstract description 26
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 19
- 238000000862 absorption spectrum Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 238000002835 absorbance Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000001328 terahertz time-domain spectroscopy Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000004458 analytical method Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 5
- 238000004422 calculation algorithm Methods 0.000 description 29
- 230000006870 function Effects 0.000 description 23
- 241000544061 Cuculus canorus Species 0.000 description 18
- 238000005457 optimization Methods 0.000 description 15
- 239000007789 gas Substances 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 11
- 235000013601 eggs Nutrition 0.000 description 11
- 238000011160 research Methods 0.000 description 11
- 230000003595 spectral effect Effects 0.000 description 11
- 238000010845 search algorithm Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000000513 principal component analysis Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 7
- 241000272177 Cuculiformes Species 0.000 description 5
- 230000006399 behavior Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 235000005770 birds nest Nutrition 0.000 description 4
- 230000005684 electric field Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000005295 random walk Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- 235000005765 wild carrot Nutrition 0.000 description 4
- 235000004035 Cryptotaenia japonica Nutrition 0.000 description 3
- 244000146493 Cryptotaenia japonica Species 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004611 spectroscopical analysis Methods 0.000 description 3
- 238000012706 support-vector machine Methods 0.000 description 3
- 230000004083 survival effect Effects 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000012417 linear regression Methods 0.000 description 2
- 238000010801 machine learning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- 241000271566 Aves Species 0.000 description 1
- 108010074864 Factor XI Proteins 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910007709 ZnTe Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- CVXBEEMKQHEXEN-UHFFFAOYSA-N carbaryl Chemical compound C1=CC=C2C(OC(=O)NC)=CC=CC2=C1 CVXBEEMKQHEXEN-UHFFFAOYSA-N 0.000 description 1
- 229960005286 carbaryl Drugs 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010224 classification analysis Methods 0.000 description 1
- 238000007621 cluster analysis Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013501 data transformation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000010006 flight Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 230000002068 genetic effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 239000002048 multi walled nanotube Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000447 pesticide residue Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000002922 simulated annealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
- G01N21/3586—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation by Terahertz time domain spectroscopy [THz-TDS]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
- G01N2021/3572—Preparation of samples, e.g. salt matrices
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Toxicology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810186401.9A CN108132226B (zh) | 2018-03-07 | 2018-03-07 | 橡胶补强剂炭黑的太赫兹光谱定量分析方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810186401.9A CN108132226B (zh) | 2018-03-07 | 2018-03-07 | 橡胶补强剂炭黑的太赫兹光谱定量分析方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108132226A CN108132226A (zh) | 2018-06-08 |
CN108132226B true CN108132226B (zh) | 2020-08-04 |
Family
ID=62431330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810186401.9A Active CN108132226B (zh) | 2018-03-07 | 2018-03-07 | 橡胶补强剂炭黑的太赫兹光谱定量分析方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108132226B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108918458B (zh) * | 2018-10-12 | 2020-12-04 | 北京环境特性研究所 | 一种确定材料太赫兹吸收峰的方法 |
CN109580533A (zh) * | 2018-11-30 | 2019-04-05 | 深圳市太赫兹科技创新研究院有限公司 | 香烟滤嘴监测方法和系统 |
CN109900657A (zh) * | 2019-02-27 | 2019-06-18 | 深圳大学 | 一种测试薄膜电极材料结构变化的方法 |
CN111220564B (zh) * | 2019-12-31 | 2023-04-04 | 长春理工大学 | 多层结构粘接加压参数太赫兹检测优化方法 |
CN111175245A (zh) * | 2020-01-11 | 2020-05-19 | 清华大学深圳国际研究生院 | 高温硫化硅橡胶中成分含量的检测方法 |
CN111680720B (zh) * | 2020-05-18 | 2022-03-08 | 中南大学 | 基于改进cs-svr模型的高炉铁水硅含量预测方法 |
CN112129728B (zh) * | 2020-09-27 | 2023-08-29 | 上海理工大学 | 一种药物中咖啡因的定性鉴定和定量测定的方法 |
CN112504991B (zh) * | 2020-11-26 | 2022-04-22 | 西南科技大学 | 一种固体粉末的太赫兹光学参数提取方法及系统 |
CN113155774A (zh) * | 2021-03-31 | 2021-07-23 | 桂林电子科技大学 | 一种纺织品材料太赫兹光谱定量检测方法 |
CN113340844A (zh) * | 2021-06-02 | 2021-09-03 | 重庆邮电大学 | 基于太赫兹光谱技术的保健品添加剂定量检测方法及系统 |
CN115791686A (zh) * | 2022-11-14 | 2023-03-14 | 浙江大学 | 一种大米淀粉含量检测方法、系统、电子设备及存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102564989A (zh) * | 2011-11-10 | 2012-07-11 | 中国石油大学(北京) | 一种基于太赫兹光谱的煤炭无损快速检测方法 |
CN103969214A (zh) * | 2014-04-17 | 2014-08-06 | 首都师范大学 | 利用太赫兹频段红外光谱技术检测粮食中农药含量的方法 |
CN104237143A (zh) * | 2013-06-08 | 2014-12-24 | 青岛科技大学 | 一种基于太赫兹光谱的固体农药鉴别方法 |
CN104318329A (zh) * | 2014-10-20 | 2015-01-28 | 国家电网公司 | 一种布谷鸟搜索算法改进支持向量机的电力负荷预测方法 |
-
2018
- 2018-03-07 CN CN201810186401.9A patent/CN108132226B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102564989A (zh) * | 2011-11-10 | 2012-07-11 | 中国石油大学(北京) | 一种基于太赫兹光谱的煤炭无损快速检测方法 |
CN104237143A (zh) * | 2013-06-08 | 2014-12-24 | 青岛科技大学 | 一种基于太赫兹光谱的固体农药鉴别方法 |
CN103969214A (zh) * | 2014-04-17 | 2014-08-06 | 首都师范大学 | 利用太赫兹频段红外光谱技术检测粮食中农药含量的方法 |
CN104318329A (zh) * | 2014-10-20 | 2015-01-28 | 国家电网公司 | 一种布谷鸟搜索算法改进支持向量机的电力负荷预测方法 |
Non-Patent Citations (6)
Title |
---|
"Application of terahertz time-domain spectroscopy combined with chemometrics to quantitative analysis of imidacloprid in rice samples";ZeweiChen 等;《Journal ofQuantitativeSpectroscopy&》;20150812;第167卷;第1-9页 * |
"Nondestructive Evaluation of Rubber Compounds by Terahertz Time-Domain Spectroscopy";Yasuyuki Hirakawa 等;《J Infrared Milli Terahz Waves》;20110922;第32卷;第1457-1463页 * |
"基于太赫兹光谱技术与CS-SVM的转基因产品鉴别";陈涛 等;《光谱学与光谱分析》;20170228;第37卷(第2期);第618-623页 * |
"基于太赫兹时域光谱系统的橡胶分类识别";殷贤华 等;《国外电子测量技术》;20160630;第35卷(第6期);第19-23页 * |
"基于核熵成分分析的数据降维";黄丽瑾 等;《计算机工程》;20120131;第38卷(第2期);第175-177页 * |
"太赫兹时域光谱用于橡胶添加剂的定量分析";殷贤华 等;《电子测量技术》;20171231;第40卷(第12期);第148-151页 * |
Also Published As
Publication number | Publication date |
---|---|
CN108132226A (zh) | 2018-06-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108132226B (zh) | 橡胶补强剂炭黑的太赫兹光谱定量分析方法 | |
Liu et al. | Discrimination of geographical origin of extra virgin olive oils using terahertz spectroscopy combined with chemometrics | |
Jiang et al. | Comparison of algorithms for wavelength variables selection from near-infrared (NIR) spectra for quantitative monitoring of yeast (Saccharomyces cerevisiae) cultivations | |
CN103969214B (zh) | 利用太赫兹频段红外光谱技术检测粮食中农药含量的方法 | |
Li et al. | Analysis and identification of rice adulteration using terahertz spectroscopy and pattern recognition algorithms | |
Ning et al. | Quantitative detection of zearalenone in wheat grains based on near-infrared spectroscopy | |
Travers et al. | Predicting apple (cv. Elshof) postharvest dry matter and soluble solids content with near infrared spectroscopy | |
Hu et al. | Optimization of quantitative detection model for benzoic acid in wheat flour based on CARS variable selection and THz spectroscopy | |
Wang et al. | Rapid detection of protein content in rice based on Raman and near-infrared spectroscopy fusion strategy combined with characteristic wavelength selection | |
CN108680515A (zh) | 一种单粒水稻直链淀粉定量分析模型构建及其检测方法 | |
Liu et al. | Determination of aflatoxin B1 value in corn based on Fourier transform near-infrared spectroscopy: Comparison of optimization effect of characteristic wavelengths | |
Chen et al. | Quantitative analysis of soil nutrition based on FT-NIR spectroscopy integrated with BP neural deep learning | |
Mishra et al. | Deep chemometrics: Validation and transfer of a global deep near‐infrared fruit model to use it on a new portable instrument | |
Yuan et al. | A Novel strategy of clustering informative variables for quantitative analysis of potential toxics element in Tegillarca granosa using laser-induced breakdown spectroscopy | |
Zhang et al. | Classification detection of saccharin jujube based on hyperspectral imaging technology | |
Yang et al. | Determination of the soluble solids content in korla fragrant pears based on visible and near-infrared spectroscopy combined with model analysis and variable selection | |
Cao et al. | Nondestructive determination of the total mold colony count in green tea by hyperspectral imaging technology | |
Liu et al. | Non‐destructive sugar content assessment of multiple cultivars of melons by dielectric properties | |
Bao et al. | Rapid detection of talc content in flour based on near-infrared spectroscopy combined with feature wavelength selection | |
Cao et al. | Nondestructive detection of lead content in oilseed rape leaves based on MRF‐HHO‐SVR and hyperspectral technology | |
Zou et al. | Intelligent proximate analysis of coal based on near infrared spectroscopy and multi-output deep learning | |
Liu et al. | Recognition of genetically modified product based on affinity propagation clustering and terahertz spectroscopy | |
CN111965134A (zh) | 一种橡胶硫化促进剂混合物的太赫兹光谱定量分析方法 | |
Hu et al. | Research on highly sensitive quantitative detection of aflatoxin b2 solution based on thz metamaterial enhancement | |
Weng et al. | Reflectance spectroscopy with operator difference for determination of behenic acid in edible vegetable oils by using convolutional neural network and polynomial correction |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180608 Assignee: Guilin Great Information Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2022450000220 Denomination of invention: Quantitative analysis of carbon black of rubber reinforcement by terahertz spectroscopy Granted publication date: 20200804 License type: Common License Record date: 20221206 Application publication date: 20180608 Assignee: Guangxi Liuzhou Liuwan Aerospace Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2022450000214 Denomination of invention: Quantitative analysis of carbon black of rubber reinforcement by terahertz spectroscopy Granted publication date: 20200804 License type: Common License Record date: 20221206 |