The methods of preparing diamond films by chemical vapor deposition were reviewed.

评述了金刚石薄膜的化学气相沉积方法。

youdao

The methods of preparing and measuring of trimanganese tetroxide are introduced in the paper.

介绍了四氧化三锰的制备、检测方法及其相关理论研究。

youdao

Estra-1, 3, 5 (10) -triene derivatives, methods of preparing such compounds and pharmaceuticals.

雌- 1,3,5(10)-三烯衍生物，其制备方法及含有这些化合物的药物组合物。

youdao

The workshop was aimed at preparing a detailed and comprehensive record of these artifacts on scientific methods to avoid any chance of theft and pilferage in addition to facilitate study and research.

UNESCO: CULTURE