CN106645004A - Detection method of relevancy between rustiness of stainless steel coil and ignition of PVC material - Google Patents
Detection method of relevancy between rustiness of stainless steel coil and ignition of PVC material Download PDFInfo
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- CN106645004A CN106645004A CN201611207596.8A CN201611207596A CN106645004A CN 106645004 A CN106645004 A CN 106645004A CN 201611207596 A CN201611207596 A CN 201611207596A CN 106645004 A CN106645004 A CN 106645004A
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- stainless steel
- steel coil
- strip
- fire
- pvc material
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 121
- 239000010935 stainless steel Substances 0.000 title claims abstract description 117
- 239000000463 material Substances 0.000 title claims abstract description 69
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000000460 chlorine Substances 0.000 claims abstract description 20
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 13
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000007797 corrosion Effects 0.000 claims description 51
- 238000005260 corrosion Methods 0.000 claims description 51
- 239000000126 substance Substances 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 6
- 238000001636 atomic emission spectroscopy Methods 0.000 claims description 4
- 238000004566 IR spectroscopy Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000003860 storage Methods 0.000 abstract description 6
- 238000004458 analytical method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 244000062793 Sorghum vulgare Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 235000019713 millet Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003012 network analysis Methods 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
- G01N21/3563—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
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a detection method of the relevancy between rustiness of a stainless steel coil and ignition of a PVC material. The method comprises the following steps: 1) detecting the environment between a fire scene and a stainless steel coil storage scene, and judging whether fire combustion residue can float to the stainless steel coil; 2) opening the stainless steel coil, and detecting whether the rust degrees of the inner coil and the outer coil of the stainless steel coil are the same; 3) observing the rust trace on the surface of the stainless steel coil, and observing whether an adhered foreign matter exists on the surface; 4) performing element detection on the rust surface of the stainless steel coil, and determining whether chlorine element exists in a rust spot; 5) determining the fact that rust of the stainless steel coil is related to the ignition of the PVC material when the chlorine element exists in the rust spot, and determining the fact that rust of the stainless steel coil is not related to the ignition of the PVC material when the chlorine element does not exist in the rust spot. The method is simple in operation and reliable in results, and can rapidly obtain a conclusion whether rust of the stainless steel coil is related to a PVC fire.
Description
Technical field
The present invention relates to identify field, and in particular to the inspection that a kind of stainless steel coil of strip gets rusty with the PVC material degree of correlation on fire
Survey method.
Background technology
304 stainless steels are a kind of chromium-nickel and stainless steels being most widely used, as a kind of broad-spectrum steel, with good
Good corrosion resistance, heat resistance, low temperature intensity and mechanical property it is good；The hot-workabilities such as punching press, bending are good, and no heat treatment hardening is existing
As (using -196 DEG C of temperature～800 DEG C), with good processing characteristics and solderability.It is widely used in plate type heat exchanger, ripple
Line pipe, household supplies, auto parts machinery, medical apparatus, building materials, chemistry, food industry, agricultural, ship components, millet mobile phone etc..
Stainless steel surface is bright and clean, there is higher plasticity, toughness and a mechanical strength, acid and alkali resistance gas, solution and other
The corrosion of medium.It is a kind of steel alloy for being not easy and getting rusty, but is not absolute non-corrosive.Stainless steel is in the presence of chlorion
In environment, corrode quickly, even more than common mild steel.So requiring to stainless use environment, and need Jing
Often wipe, except dust, keep cleaning drying.
The authentication method that PVC fire causes stainless steel coil of strip to get rusty is screened, unified decision method is there is no at present.Therefore
How whether network analysis stainless steel coil of strip gets rusty and relevant with PVC fire become compensation for damages aspect after fire incident and have to be solved
Problem.
The content of the invention
It is an object of the invention to overcome prior art exist problem above, there is provided a kind of stainless steel coil of strip get rusty with
The detection method of the PVC material degree of correlation on fire, simple to operate, reliable results of the invention, can quickly draw stainless steel coil of strip
Get rusty with whether PVC fire is relevant.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions：
The detection method that a kind of stainless steel coil of strip gets rusty with the PVC material degree of correlation on fire, comprises the following steps：
Step 1) check that scene of fire and stainless steel coil of strip store the environment between scene, judge fire combustion residue energy
It is no to descend slowly and lightly to stainless steel coil of strip, when fire combustion residue can not descend slowly and lightly to stainless steel coil of strip, stainless steel coil of strip get rusty with
PVC material is on fire unrelated, when fire combustion residue can descend slowly and lightly to stainless steel coil of strip, carries out next step；
Step 2) stainless steel coil of strip is opened, check whether stainless steel coil of strip is involute consistent with outer volume corrosion degree；
Step 3) observation stainless steel coil of strip surface corrosion vestige, observation surface whether there is attachment foreign matter, when stainless steel steel
Volume it is involute consistent with outer volume corrosion degree and do not exist adhere to foreign matter when, stainless steel coil of strip get rusty it is on fire with PVC material unrelated,
When rolling up outside stainless steel coil of strip, corrosion is serious, and involute corrosion is lighter, and there is obvious corrosion line of demarcation, outer volume and there is foreign matter attachment
When, carry out next step；
Step 4) Element detection is carried out to stainless steel coil of strip rusty surface, confirm that corrosion spot whether there is chlorine element；
Step 5) when there is chlorine element, confirm that stainless steel coil of strip occurs corrosion on fire with PVC material relevant, when not existing
During chlorine element, confirm that stainless steel coil of strip occurs corrosion on fire with PVC material unrelated.
Further, stereomicroscope observation is adopted in the step 3.
Further, in the step 5, first the chemical composition of stainless steel coil of strip is detected, judges stainless steel coil of strip
Whether material is qualified, when stainless steel coil of strip material is unqualified, confirms that stainless steel coil of strip occurs corrosion on fire to PVC material related
Degree is low, when stainless steel coil of strip material is unqualified and there is chlorine element, confirms that stainless steel coil of strip occurs corrosion on fire with PVC material
The degree of correlation is high.
Further, chemical composition detection is carried out to stainless steel coil of strip using spark discharge atomic emission spectrometry.
Further, after detecting to the chemical composition of stainless steel coil of strip the raw material that scene of fire carries over entered again
Row detection, confirms whether fire combustible substance contains PVC material, when containing PVC material, confirms that stainless steel coil of strip occurs corrosion
It is high with the PVC material degree of correlation on fire, when PVC material is not contained, confirm that stainless steel coil of strip occurs corrosion and PVC material phase on fire
Guan Du is low.
Further, the raw material that scene of fire carries over is detected using infrared spectroscopy.
The invention has the beneficial effects as follows:
The inventive method step is clear, simple, efficiently and accurately screens out stainless steel coil of strip corrosion reason and PVC fire
It is whether relevant, and with rational foundation, conviction degree is high.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, described in detail as after with presently preferred embodiments of the present invention below.The tool of the present invention
Body embodiment is shown in detail in by following examples.
Specific embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
In order to judge that it is on fire with PVC material with the presence or absence of the degree of correlation that stainless steel coil of strip gets rusty, by lower step：
Step 1) environment that scene of fire and stainless steel coil of strip are stored between scene is first checked for, judge fire combustion residue
Can thing descend slowly and lightly to stainless steel coil of strip, when fire combustion residue can not descend slowly and lightly to stainless steel coil of strip, illustrate that storage is closed
Property is good, does not result in extraneous fire products and contacts, therefore stainless steel coil of strip gets rusty on fire with extraneous PVC material unrelated, works as fire
When calamity combustion residue can descend slowly and lightly to stainless steel coil of strip, illustrate to be likely to result in impact, at this moment need to carry out next step judgement；
Step 2) stainless steel coil of strip is opened, check whether stainless steel coil of strip is involute consistent with outer volume corrosion degree, stainless steel
Due to being that web-like is put, outer volume directly and air contact, is most possibly contacted coil of strip with combustion residue, and curls inward is due to parcel
Inside, therefore from both corrosion degrees can be told either with or without difference by naked eyes, when involute and outer volume corrosion degree
When consistent, judgement that can be preliminary, it may be possible to get rusty caused by itself storage reason is serious when corrosion is rolled up outside stainless steel coil of strip,
Involute corrosion is lighter, and with line of demarcation of substantially getting rusty, judgement that can be preliminary, it may be possible to get rusty caused by outside cause；
Step 3) stainless steel coil of strip surface corrosion vestige is then observed, using stereomicroscope observation surface with the presence or absence of attached
Foreign matter, because steel coil is around rear, it is involute without the external world cannot directly contact, involute gets rusty can substantially conclude it is storage problem
Or itself the problems such as cause, therefore when stainless steel coil of strip is involute consistent with outer volume corrosion degree and there is no attachment foreign matter
When, illustrate entirely due to itself storage the reason for cause to get rusty, stainless steel coil of strip get rusty it is on fire with PVC material unrelated, when not
The rust involute and outer volume corrosion degree of steel coil of strip is inconsistent and when there is attachment foreign matter, then illustrate it is getting rusty of causing of extraneous factor,
Needs to judge to getting rusty；
Step 4) Element detection is carried out to stainless steel coil of strip rusty surface by microbeam analysis and power spectrum quantitative analysis, really
Corrosion spot is recognized with the presence or absence of chlorine element, due to the material reason of PVC material, contain chlorine element in combustion residue surely, and not
Not no this kind of element in rust steel, when have on corrosion spot chlorine element can explanation be that extraneous chlorine element has adhered to coil of strip table
Face；
Step 5) when there is chlorine element, confirm that stainless steel coil of strip occurs corrosion on fire with PVC material relevant, when not existing
During chlorine element, confirm that stainless steel coil of strip occurs corrosion on fire with PVC material unrelated.
Wherein, in step 5, first chemical composition detection is carried out to stainless steel coil of strip with spark discharge atomic emission spectrometry,
Judge whether stainless steel coil of strip material qualified, when stainless steel coil of strip material is unqualified, confirm stainless steel coil of strip occur corrosion with
The PVC material degree of correlation on fire is low, when stainless steel coil of strip material is unqualified and there is chlorine element, confirms that stainless steel coil of strip becomes rusty
Erosion is high with the PVC material degree of correlation on fire.What the detection was mainly to ensure that stainless steel coil of strip material is stainless, it is to avoid stainless steel
The situation that coil of strip material itself goes wrong and causes to get rusty occurs, so as to affect the preciseness and precision of whole method.
After detecting to the chemical composition of stainless steel coil of strip the raw material that scene of fire carries over is detected again, really
Recognize whether fire combustible substance contains PVC material, when containing PVC material, confirm that stainless steel coil of strip occurs corrosion and PVC material
The degree of correlation on fire is high, when PVC material is not contained, confirms that stainless steel coil of strip occurs corrosion low with the PVC material degree of correlation on fire.Should
Detection is primarily to prove to be strictly that PVC material is burnt, it is ensured that is got rusty and guarantees caused by combustion residue herein
The integrality of evidence.
By taking following situations as an example：In the warehouse for stacking stainless steel coil of strip and PVC material, both only have a wall every, and
And stainless steel coil of strip material is 304 stainless steels, in this case, PVC material is caught fire, and coil of strip is not received in fire generating process
High temperature affects, and fire incident finds that stainless steel coil of strip gets rusty after occurring.
First site inspection scene of fire communicates with stainless steel coil of strip storage upper space, i.e., the process for occurring in fire
In, there is fire combustion residue and descended slowly and lightly to the possibility of stainless steel coil of strip by upper space, find there is possibility herein
Space.
Then stainless steel coil of strip is opened, checks that the inside and outside portion's corrosion degree of stainless steel coil of strip is present substantially inconsistent, stainless
There is obvious corrosion line of demarcation between the involute and outer volume of steel coil of strip, outer volume outer surface corrosion is serious.
Then stainless steel surfaces corrosion vestige is observed, it is found that stainless steel surfaces have foreign matter attachment, greatly explanation is outer
Boundary's factor.
Stainless steel coil of strip chemical composition is detected by spark discharge atomic emission spectrometry, and according to GB/T
20878-2007《The stainless steel and refractory steel trade mark and chemical composition》Stainless steel material is judged for 304 stainless steels.Testing result is such as
Following table：
Next the raw material that scene of fire carries over is detected using infrared spectrum analysis, confirms fire combustion
Burn material and contain PVC material, illustrate to be strictly PVC material catching fire, provide more favourable evidence to whole chain of evidence.
Element detection is finally carried out to stainless steel coil of strip rusty surface, confirms that content of Cl element is higher at corrosion spot.Rust
Element composition such as following table at plaque point：
| Element | C | O | Si | S | Cl | Cr | Fe | Ni |
| Content (wt%) | 10.80 | 25.43 | 0.29 | 1.41 | 9.29 | 9.01 | 38.45 | 5.33 |
Check and testing result according to more than, comprehensive analysis, confirm that stainless steel coil of strip occurs to be fired in corrosion and fire process
Burn residue to descend slowly and lightly to stainless steel coil of strip outer surface so as to cause stainless steel coil of strip outer surface corrosion relevant.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
Claims (6)
1. the detection method that a kind of stainless steel coil of strip gets rusty with the PVC material degree of correlation on fire, it is characterised in that including following step
Suddenly：
Step 1) check that scene of fire and stainless steel coil of strip store the environment between scene, judge that can fire combustion residue float
Stainless steel coil of strip is dropped down onto, when fire combustion residue can not descend slowly and lightly to stainless steel coil of strip, stainless steel coil of strip gets rusty and PVC materials
Expect on fire unrelated, when fire combustion residue can descend slowly and lightly to stainless steel coil of strip, carry out next step；
Step 2) stainless steel coil of strip is opened, check whether stainless steel coil of strip is involute consistent with outer volume corrosion degree；
Step 3) observation stainless steel coil of strip surface corrosion vestige, observation surface whether there is attachment foreign matter, when in stainless steel coil of strip
Volume and outer volume corrosion degree with it is consistent and do not exist adhere to foreign matter when, stainless steel coil of strip get rusty it is on fire with PVC material unrelated, when
Corrosion is rolled up outside stainless steel coil of strip seriously, involute corrosion is lighter, and there is obvious corrosion line of demarcation, outer volume and there is foreign matter attachment
When, carry out next step；
Step 4) Element detection is carried out to stainless steel coil of strip rusty surface, confirm that corrosion spot whether there is chlorine element；
Step 5) when there is chlorine element, confirm that the generation corrosion of stainless steel coil of strip is on fire with PVC material relevant, it is first when there is no chlorine
When plain, confirm that stainless steel coil of strip occurs corrosion on fire with PVC material unrelated.
2. the detection method that a kind of stainless steel coil of strip according to claim 1 gets rusty with the PVC material degree of correlation on fire, it is special
Levy and be：Stereomicroscope observation is adopted in the step 3.
3. the detection method that a kind of stainless steel coil of strip according to claim 1 gets rusty with the PVC material degree of correlation on fire, it is special
Levy and be：In the step 5, first the chemical composition of stainless steel coil of strip is detected, judge whether stainless steel coil of strip material closes
Lattice, when stainless steel coil of strip material is unqualified, confirm that the generation corrosion of stainless steel coil of strip is low with the PVC material degree of correlation on fire, when not
Rust steel coil of strip material is unqualified and when there is chlorine element, confirms that stainless steel coil of strip occurs corrosion high with the PVC material degree of correlation on fire.
4. the detection method that a kind of stainless steel coil of strip according to claim 3 gets rusty with the PVC material degree of correlation on fire, it is special
Levy and be：Chemical composition detection is carried out to stainless steel coil of strip using spark discharge atomic emission spectrometry.
5. the detection method that a kind of stainless steel coil of strip according to claim 3 gets rusty with the PVC material degree of correlation on fire, it is special
Levy and be：After detecting to the chemical composition of stainless steel coil of strip the raw material that scene of fire carries over is detected again, really
Recognize whether fire combustible substance contains PVC material, when containing PVC material, confirm that stainless steel coil of strip occurs corrosion and PVC material
The degree of correlation on fire is high, when PVC material is not contained, confirms that stainless steel coil of strip occurs corrosion low with the PVC material degree of correlation on fire.
6. the detection method that a kind of stainless steel coil of strip according to claim 5 gets rusty with the PVC material degree of correlation on fire, it is special
Levy and be：The raw material that scene of fire carries over is detected using infrared spectroscopy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207596.8A CN106645004B (en) | 2016-12-23 | 2016-12-23 | A kind of detection method that stainless steel coil of strip gets rusty with the PVC material degree of correlation on fire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207596.8A CN106645004B (en) | 2016-12-23 | 2016-12-23 | A kind of detection method that stainless steel coil of strip gets rusty with the PVC material degree of correlation on fire |
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| CN106645004A true CN106645004A (en) | 2017-05-10 |
| CN106645004B CN106645004B (en) | 2019-11-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698150A (en) * | 2014-01-06 | 2014-04-02 | 复旦大学 | Failure comprehensive judging method of major power generation device |
| CN103849133A (en) * | 2014-02-25 | 2014-06-11 | 深圳市欧龙优新材料科技有限公司 | High-temperature-resisting irradiation-free cross-linked halogen-free flame-retardant wire-cable material |
| US20140373965A1 (en) * | 2012-02-27 | 2014-12-25 | Momentive Performance Materials, Inc. | Low drag coating containing boron nitride powder |
| CN104651009A (en) * | 2015-02-06 | 2015-05-27 | 中国矿业大学 | Device and method for preparing clean solid particle biofuel from medical wastes |
-
2016
- 2016-12-23 CN CN201611207596.8A patent/CN106645004B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140373965A1 (en) * | 2012-02-27 | 2014-12-25 | Momentive Performance Materials, Inc. | Low drag coating containing boron nitride powder |
| CN103698150A (en) * | 2014-01-06 | 2014-04-02 | 复旦大学 | Failure comprehensive judging method of major power generation device |
| CN103849133A (en) * | 2014-02-25 | 2014-06-11 | 深圳市欧龙优新材料科技有限公司 | High-temperature-resisting irradiation-free cross-linked halogen-free flame-retardant wire-cable material |
| CN104651009A (en) * | 2015-02-06 | 2015-05-27 | 中国矿业大学 | Device and method for preparing clean solid particle biofuel from medical wastes |
Non-Patent Citations (2)
| Title |
|---|
| 国家标准件产品质量监督检验中心: "《紧固件检验手册》", 31 December 2010, 中国计量出版社 * |
| 陈红平: "不锈钢器械生锈的原因分析与对策", 《护理实践与研究》 * |
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