例句與造句

1. Preparation of cobalt powder for cemented carbides by glycol reduction
   乙二醇還原生產(chǎn)硬質(zhì)合金用鈷粉
2. Use ： for the manufacture of cobalt powders and othe materials of cobalt salts
   用途：用于制造金屬鈷粉及其他鈷鹽原料。
3. Abstract : in this paper conditional experiments of cobalt oxalate precipitatio n process are made . the influence of the process on cobalt powder size is analyze d and discussed . regularity of cobalt powder size change is summarized
   文摘:對草酸鈷沉淀的工藝條件進行了試驗，并分別就該工藝對鈷粉粒度的影響進行了分析和討論，總結(jié)出鈷粉粒度變化的規(guī)律。
4. A new purified method for carbon nanotube was put forward . 2 . study of aligned multi - wall carbon nanotube layered multi - wall carbon nanotube arrays were synthesized firstly directly on the surrounding of the reaction quartz tube , in a ar / h2 atmosphere by pyrolysis of ferrocene in xylene into a suitable reaction furnace with cobalt powder in
   與根據(jù)碳納米管的物理、化學性質(zhì)，提出了一種全新的碳納米管純化方法：先對制備的碳納米管于500在空氣中氧化30分鐘，然后用18的鹽酸煮20分鐘，最后將樣品稀釋，過濾，再用去離子水過濾3次，烘干，便可得到純的碳納米管。
5. It's difficult to find cobalt powder in a sentence. 用cobalt powder造句挺難的