- 重点词汇
- anart. 一（在元音字母前代替不定代词a）;一任一某一;一个;
- intermediateadj.中间的，中级的;
- carbonyl chloride碳酰氯，光气;
- importantadj.重要的;有声望的;
- isvt.& vi. 是(be的三单形式);
- 相关例句
Emphasis is on substitution and elimination reactions and chemistry of the carbonyl group.
重点强调取代、消除反应和含羰基基团的化学性质.
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分子中具有红外活性的两个原子间的振动频率与化学键的力常数及折合质量有关.
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The carbonyl molybdenum ( cobalt, nickel ) as catalysts used in polymerization is reviewed.
简述羰基钼 ( 钴 、 镍 ) 用于聚合反应中的催化剂.
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The hydrogenation of diene compound and carbonyl group with yeasts was studied.
对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.
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表面的类脂物氧化后, 产生许多化合物,包括羟基和羰基化合物.
词典精选例句
Silver-coated carbonyl iron powder was prepared by using electroless plating method.
用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.
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Addition to carbonyls is one of the most important reactions in organic chemistry.
对羰基的加成作用是有机化学中最重要的反应之一.
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Iron and nickel carbonyls can deactivate the copper-based catalyst for methanol synthesis.
羰基铁、羰基镍是导致铜基合成甲醇催化剂中毒的物质.
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The grinding block made of carborundum abrasive, is very hard and sharp.
磨光机磨块采用金刚石磨料制成, 硬度极高,磨削锋利.
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We repair the burner brand with carborundum by the technique of ramming.
我们采用碳化硅材料,利用捣打技术恢复一号炉卫燃带.
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动、静环材料: 浸渍树脂 ( 金属 ) 石墨 、 碳化硅 、 硬质合金等.
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动,静环材料: 浸渍树脂 ( 金属 ) 石墨, 碳化硅, 硬质合金等.
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研究了利用碳化硅棚板废渣生产耐火窑具的可行性.
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After setting, the surfaces of the specimens are ground down using carborundum and alumina.
凝固之后, 样品表面连续用金钢砂或氧化铝磨平.
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With a high rate of carboxy methyl cellulose sodium, can prevent the oil re-precipitation.
*含高比率的羧基甲基纤维素纳, 能防止油污再次沉淀.
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Aminoin chitosan and carboxy on the surface of fiber form strong ionic linkage.
壳聚糖的氨基同纤维表面的羧基形成了牢固的离子键结合.
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Two Machine Chanel: Two channels of carboxy allow to treat 2 patients at the same time.
2个机器通道: 羧基治疗的两个通道可同时治疗2位病人.
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A gas chromatographic method is described for determining benzene carboxy-lic acids and esters.
讨论了苯羧酸及苯羧酸酯混合物的气相色谱分析方法.
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