挥发物含量

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 .

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 .

水分及挥发物含量很低，为0.00091%；

Water and volatile matter concentration was 0.00091 % ;

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

GB/T8087-1987天然生胶挥发物含量测定法

Raw natural rubber & Determination of volatile matter content

同时水分及挥发物含量降低；

Water and volatile matter contents lower ;

GB/T2793-1995胶粘剂不挥发物含量的测定

Test method for nonvolatile content of adhesives

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 .

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 .

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 .

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 .

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 .

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 .

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 .