吡啶(治喘病用);氮(杂)苯;

The process of 2-chloropyridine chlorination synthesis by pyridine and application were introduced.
介绍了吡啶氯化合成2-氯吡啶的方法和应用.
来源:互联网摘选The factory also undertake pyridine derivatives and various solvent distillation process.
本厂还可承接吡啶类系列化合物及各种溶剂精馏加工.
来源:互联网摘选The typical K-F reagent has disadvantage of high poisonousness and pyridine malodor.
经典K-F试剂缺点是毒性大,且具有吡啶的恶臭.
来源:互联网摘选The pyridine was chemisorbed at both Lewis and Bronsted sites on the glass surface.
在玻璃表面上,吡定都是化学地吸收在路易斯和布朗斯特德位置上的.
来源:词典精选例句And the excess volume of toluene-pyridine was measured with the dilatometer.
并用此膨胀仪测定了甲苯 - 吡啶体系的过量体积.
来源:互联网摘选Urine-Determination of thiocyanate-Pyridine - barbituric acid spectrophotometric method.
尿中硫氰酸盐的吡啶-巴比妥酸分光光度测定方法.
来源:互联网摘选This paper studied the catalytic N-alkylation of acetanilide with polyvinyl chloride-pyridine resin.
研究了聚氯乙烯 - 吡啶树脂催化乙酰苯胺的N - 烃基化作用,反应条件温和,产品收率令人满意.
来源:互联网摘选This review described the preparation and application of crosslinked polyvinyl pyridine resins.
本文综述了乙烯吡啶树脂的合成及其应用.
来源:互联网摘选分别于7时 、 11时 和15时收集班前、班中和班末尿样.
来源:互联网摘选该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.
来源:互联网摘选Recovering pyridine by simple distillation and phase separation with salt was studied.
研究了普通精馏与加盐分相技术在回收吡啶中的应用.
来源:互联网摘选Triisopropyl phosphite was synthesized and isopropanol using pyridine as an organic base.
采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯.
来源:互联网摘选A semi-empirical LCAO-MO-AM 1 calculation is performed for some substituted pyridine N-oxide.
在LCAO -MO-AM1 水平上计算了取代氧化吡啶的气相质子化能.
来源:互联网摘选
简答网 · 英语词汇

简答网 · 中考英语
简答网 · 双语新闻

简答网 · 双语娱乐资讯

简答网 · 双语娱乐资讯

简答网 · 初中英语作文