Recovering pyridine by simple distillation and phase separation with salt was studied.

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.

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 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.

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 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.

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 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.

Food additive -- Vitamin B 6 ( Pyridoxine hydrochloride )

GB14753 -1993 食品添加剂维生素B6 ( 盐酸吡哆醇 )

A method for the quantitative analysis of the pyridoxine hydrochloride and its preparation were established.

建立盐酸吡哆辛及其制剂的二阶导数差示脉冲极谱定量分析方法.

A crystalline amine, C 8 H 12 N 2 O 2, one of several active forms of pyridoxine, important in protein metabolism.

'吡'.''哆胺晶体胺, c8h12n2o2, ''.'吡'. ''哆醇的几种活跃的形式中的一种, 在蛋白质新旧代谢过程中起重要作用.

Objective : To explore the diagnosis and treatment of the ectopic parathyroid gland in the pyriform sinus.

目的: 探讨梨状窝异位甲状旁腺的诊断及治疗.

A failure mode of pyriform hole and the concepts of slip and spring back were forward.

提出了梨形孔的破坏模式和弹体在靶板上滑移、回弹的概念.

The substitution of a purine for a pyrimidine, or vice versa is a transversion.

嘌呤为嘧啶取代或嘧啶为嘌呤所取代,叫做颠换.

On the other hand , cyclobutane pyrimidine dimmer ( CPD ) just has an effect of cell cycle arrest.

而CPD光 产物 ( cyclobutanepyrimidinedimmer, CPD ) 仅仅造成细胞周期暂时或短期的停滞现象.

Hydrogen bonds play important roles to living organisms containing pyrimidine-based derivatives.

氢键对含有以嘧啶为基的衍生物的生命体具有重要作用.

Cleudine is a pyrimidine analogue with potent and sustained antiviral activity against HB.

克来夫定为嘧啶类似物,对HB具有持续有效的抗病毒活性.

Study on the synthesis of 2-diethylamino-6-methyl-4-hydroxy pyrimidine.

二乙氨基 -6- 甲基 -4- 羟基嘧啶的合成研究.

Gold contents in pyrite may as highly as ten times.

对金矿床本身而言,一般细粒级、破碎的黄铁矿含金量高.

Native ruthenium and hedleyite were identified in the pyrite quartz lodes.

自然钉及含铂赫碲铋矿发现于其中的黄铁矿石英脉型矿五中.

Cathode material of pyrite powder for thermal battery was studied.

研究了热电池正极材料常用的矿物二硫化铁粉末的特性.