不完全的燃烧和不适当的通风条件能导致乙炔的产生.Incomplete combustion and improper draft conditions can cause ethylene formation.已多次证实火焰中存在聚乙炔.That polyacetylenes are present in flames has been demonstrated many times.这种反应构成了制备芳基环丙基乙炔的有效方法.This...
You are protected instantly if a thief misuses your credit card.如果小偷盗用你的信用卡，你的卡会立即受到保护。He misuses his horses by giving them loads that are too heavy.他给它们过重的负荷来虐待他的马.During the re - collation of the dictionary, 72 misuses...
A method for the determination of micro amounts of vanadium in ferrochromium was presented.用催化动力学示波极谱法测定铬铁中微量钒.Objective To explore the determination method of Vanadium content in cassia seed.目的探讨富钒决明子芽中钒含量的测定方法.Vanadium...
轧棉机是把棉籽从棉花里分离出来的机器.A gin is a machine to separate seeds from cotton.轧棉机是把棉籽从“棉花”里分离出来的机器.A gin a machine to separate seeds from cotton.你发明轧棉机的过程? 好吧, 再见.Was it how you invented the cotton gin? - Okay, goodbye....
Lucian Freud has been asked to paint a portrait of the Queen.卢西恩·弗洛伊德已受邀为女王画肖像画。" Wrong ,'said Lucian, " Chochim is in Ukraine. "“ 错了, 霍希姆 在乌克兰. ” 卢西恩说.Right : Lucian Freud's portrait of Bruce Bernard.鲁西安.佛洛依德描...
In 50 percent there was endocarditis and / or pancreatitis.50%病例中有心内膜炎和(或)胰腺炎.Objective : To investigate the clinical characteristics, therapeutical approaches and outcome of infective endocarditis ( IE ).目的: 探讨感染性心内膜炎 (...
This system is a simulated burglarproof alarm, it has two main modules.本系统只是模拟防盗报警, 主要有两个大的模块.Grating, shelf, burglarproof doors and windows, snowproofing fence and parking apron.栏栅 、 货架 、 防盗门窗 、 防雪围栏、停车停机坪.Other auxilia...