| 1. | Its common use is in conjunction with selective gas chemisorption for verification of metal surface area . 它通常是和选择性气体化学吸附结合起来使用,以确定金属表面积。 |
| 2. | Test method for chemical composition of gases by mass spectrometry 用质谱法测定气体化学成分的试验方法 |
| 3. | Standard test method for chemical composition of gases by mass spectrometry 质谱法测定气体化学组成的标准试验方法 |
| 4. | Gas analysis by mass spectrometry . determination of gas chemical composition 质谱仪进行气体分析.气体化学成分的测定 |
| 5. | Determination of the dispersion degree of metals using gas chemisorption - part 1 : principles 利用气体化学吸附作用测定金属的分散度.第1部分:原理 |
| 6. | Rubber and thermoplastics hoses and hose assemblies for liquid or gaseous chemicals - specification 液体或气体化学药品用橡胶和热塑软管和软管组件.规范 |
| 7. | Rubber and thermoplastic hoses and hose assemblies for liquid or gaseous chemicals - specification - resistance 液体或气体化学品用橡胶和热塑软管和软管组件.规范 |
| 8. | We the developed and studied technology of gis , used it on the spilling accidents of bulk gas chemicals , and made a great progress 希望能为水运气体化学品泄漏污染事故的控制和处理提供一点参考。 |
| 9. | With the increasing transportation of bulk gas chemicals , the spilling accident of bulk liquid chemicals took place again and again during its storage and transportation 随着气体化学品水上运输量的日益增大,水运气体化学品储存及运输中发生的泄漏造成灾难性事故也随之增加。 |
| 10. | These accidents not only seriously threat the safety of people ' s life and property , but also possibly damage the environment of water , air and land 水运气体化学品泄漏事故不仅严重威胁到人类生命及财产的安全,而且还可能对水体、大气、陆域和海洋生态等各个环境圈层造成破坏。 |