挥发物含量
- 网络volatile content;VOC
![挥发物含量](../cache/1605324.jpg)
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对该钎剂进行了不挥发物含量、腐蚀率试验。
Volatile content and erosion rate of the flux were studied .
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因此,水性聚氨酯(WPU)的发展就具有非常重要的意义,其具有有机挥发物含量低,无毒无污染等优点。
Therefore , the development of waterborne polyurethane ( WPU ) which has many advantages such as non-toxic 、 pollution-free and low organic volatile content etc , has a very important significance .
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水分及挥发物含量很低,为0.00091%;
Water and volatile matter concentration was 0.00091 % ;
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溶剂稀释性环氧树脂中不挥发物含量测定方法
Testing methods for non-volatile matter in solvent-diluted epoxide resins
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GB/T8087-1987天然生胶挥发物含量测定法
Raw natural rubber & Determination of volatile matter content
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同时水分及挥发物含量降低;
Water and volatile matter contents lower ;
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GB/T2793-1995胶粘剂不挥发物含量的测定
Test method for nonvolatile content of adhesives
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挥发分率(挥发物含量):挥发分(物)含量大小取决于炭化温度。
Second , the rate of volatile matter ( volatile matter content ): volatile ( matter ) depend on the size of the content of carbonization temperature .
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因此,本研究遵循化学生态学的研究模式,在对寄主挥发物含量进行分析的基础上,再用寄主挥发物对害虫做生物活性测定。
Accordingly , we followed the pattern of chemical ecology , after analysis on the host plant volatiles , a bioassary on the pest was done using host plant volatiles .
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结果表明:人工剪叶后马尾松挥发物相对含量除α-蒎烯降低外,其余都有所升高,但挥发性化学物质相对含量出现高峰的时间没有规律性;
Results showed that , broadly , relative contents of volatile organic compounds released from P.massoniana significantly increased with time , except the α - pinene .
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利用热重分析可准确定出高分子材料中碳酸钙的含量,同时还可测出聚合物,挥发物的含量,热重分析法样品用量小、灵敏度高、所需时间短。
Thermogravimetic analysis can accurately determine the contents of calcium carbonate and also the percentages of polymer and volatile with the advantages of high sensitivity and short testing time .
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减少有机挥发物的含量已成为涂料研究的重要课题,因此,水性涂料将是涂料工业今后发展的主要方向之一。
Reduction of volatile organic compounds has been the main objective of coatings research . Therefore , water borne coating will be one of the most important coatings in the future .
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相同处理、棉花不同生育期收集到的挥发物种类及含量差异较大。
The types and amount of the volatiles differed greatly at different stages in the same treatment .
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而处理A和处理D未检测到该化合物.与对照相比,处理A挥发物在种类和含量上差异不显著。
There were no significant differences in the kinds and contents of the volatiles between treatment A and the control .