pyridine

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.

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.

This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.

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.

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.

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.

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.

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.

The synthetic methods of pyridine bases are reviewed.

综述了国内外吡啶碱类化合物的合成方法.

The urine samples were collected at 7∶00,11∶00 and 15∶00, and were assayed by modified Aldridge ? s method ( pyridine - p - phenylenediamine mixture ) .

分别于7时 、 11时 和15时收集班前、班中和班末尿样.

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.

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.

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.

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.

Pyridine is a colorless chemical liquid.

吡啶是一种无色的化学液体.

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.