Pyridine is a colorless chemical liquid.

1、

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.

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2、

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.

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3、

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.

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4、

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.

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5、

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.

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6、

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.

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7、

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.

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8、

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.

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9、

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.

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10、

Food additive -- Vitamin B 6 ( Pyridoxine hydrochloride )

GB14753 -1993 食品添加剂维生素B6 ( 盐酸吡哆醇 )

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11、

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.

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12、

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.

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13、

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.

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14、

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.

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15、

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.

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16、

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.

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17、

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.

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18、

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.

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19、

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.

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20、

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.

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