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结果表明, 苯乙烯、丙烯腈的加入能提高N- 环己基马来酰亚胺的反应活性.The results showed that the addition of St AN , the activity of CHMI was enhanced.通过锂试剂的方法,合成了三氟甲基苯基环己基酮化合物,反应产率达到60%.Synthesis of phenylcyclohexane trifluoromethyl ketones by lithium ...
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色谱堆...
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accommodation的近义词有：lodging, accommodation, apartment, flae, quarters, suite。下面这些名词均有"住处"的含义：lodging：常用lodgins,指临时租借的房间或宿舍。accommodation：泛指各种居住住所，一般指暂时下榻之地。apartment：通常指占用或居住时间较长的成套房间，在美国比较常用。flat：多用于英国、澳大利亚和新西兰。指同一层建筑物上组...
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in step的音标：in step的英式发音音标为：[in step]in step的美式发音音标为：[ɪn stɛp]...
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adj.无价值的，不值钱的，卑微的，不足取的，不足道的，不足轻重...
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We watched the harbour and then the coastline fade away into the morning mist.我们凝望着港口，只见海岸线渐渐隐于晨雾之中。The colour of the cloth will fade away little by little.这布的颜色会一点一点褪掉的.Disease is disgruntled , resemble basking in damp ...
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“邪念”的近义词/同义词：杂念。...
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robs的音标：...
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exhalation的复数形式为：exhalations...
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Cruz had to scavenge information from newspapers and journals.克鲁兹不得不从报纸和杂志中搜寻信息。He published widely in scientific journals.他在科学期刊上广泛发表文章。Which journals does the library subscribe to?图书馆订有哪些报刊？...
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止汗...
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“桉油酚”的英语可以翻译为：cineol ...
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malreduction的音标：malreduction的英式发音音标为：[məlrɪ'dʌkʃn]malreduction的美式发音音标为：[məlrɪ'dʌkʃn]...
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Front and back sleeve seams place along armhole seam, 8?正面和背面套沿袖窿缝接缝的地方, 8?Coal seams intermixed with iron ore.煤层和铁矿混杂在一起.All of our hospitals are bursting at the seams; we have to build new ones urgently.所有的医院都人满为患,我们迫切...