tungstic 中文意思是什麼
tungstic
解釋
adj. 形容詞 【化學】六價鎢的，（正）鎢的；五價鎢的。-
Technological practice of producing tungstic acid using waste catalyst containing tungsten
利用含鎢廢催化劑生產鎢酸工藝實踐 -
Industrial experience of producing tungstic acid using waste catalyst containing tungsten
利用含鎢廢催化劑生產鎢酸的工業實踐 -
In 1958, ganzhou concentration plant was established and started its production. after 1963, tungstic acid, apt, w powder, wc powder and cemented carbide could be produced too
1958年，贛州精選廠建成投產。 1963年以後，進一步發展到生產鎢酸、鎢酸鈉、仲鎢酸銨、鎢粉、碳化鎢粉、硬質合金等。 -
With phosphato - tungstic acid as catalyst and phosphoric acid as dehydrant, n - phenylmaleimide was prepared from aniline and maleic anhydride by two - step method. the yield was 88. 7 % and the purity was 98. 2 %
以順酐和苯胺為原料，磷鎢酸作催化劑，磷酸作脫水劑，採用兩步法制得n -苯基馬來酰亞胺，得到最佳反應工藝條件，產品收率為88 . 7 % ，純度為98 . 2 % （質量分數） 。 -
Abstract : analytical methods for impurities in tungsten and tungstic compounds in recent 10 years were reviewed. among them were atomic emission spectrometry ， atomic absorption spectrometry ， mass spectrometry ， electrochemical analysis ， spectrophotometry and activation analysis. 53 references were cited
文摘:綜述了近10多年來鎢及其化合物中雜質元素的分析方法，涉及方法包括原子發射光譜法、原子吸收光譜法、分光光度法、質譜法、電化學分析法以及活化分析法等。
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