Stenosis may be caused by cicatricial tissue or by compression.食道狭窄可由斑痕组织或压迫所引起.Objective To explore the therapeutic effect of scalp dilatation by tissue expander for large cicatricial baldness.目的探讨应用扩张器扩张皮肤软组织治疗瘢痕性秃发的效果...
In the presence of ethanonitrile and glycol, anisole reacts with ammonium ceric nitrate to form o - nitroanisole.在乙腈、聚乙二醇存在下, 用苯甲醚与硝酸铈铵反应合成了邻硝基苯甲醚.Calcium reacts with water.钙和水会发生化学反应。Once in water, it reacts to form car...
加入好的淀粉溶液指示剂,这时溶液变成兰色.Upon the addition of a good starch indicator a blue solution results.指示剂选择不适当可能给音量分析带来重大误差.Improper choice of indicators can introduce serious errors into volumetric work.目前蔬菜的热烫终点以过氧化物酶作为指示剂来确定.Pres...
" No , no , Mr. Wheeler,'said Mr. Oeslogge. " Dat iss all right. "“ 行的, 行的, 惠勒先生, "奥斯拉格先生说, " 这没问题." My! Dat's a mighty gay marvel, I tell you!“ 嘿, 老实说, 那是个挺不错的好玩意." Dat's Mist'Johnnie's privut f...
Other directors appear happy that Lord Hollick has been squeezed out...其他董事都因为霍利克勋爵被挤了出去而显得很高兴。He always acts the lord.他总是装阔。The favorable year of the Lord refers to Jubilee . Captives go free, and inheritances are resto...
Aim To synthesize gastrodin via biotransformation of microorganism using p - hydroxybenzaldehyde as substrate.目的以对羟基苯甲醛为底物,通过微生物的转化作用生物合成天麻素.TLC densitometry of polyhydroxysteroids in biotransformation of steroids was es...