查询词典 chloride

The "one-pot" synthetic reaction of 2-alkylthio-4-amino-5-cyano-6-methylthiopyrimidines from bis(methylthi-o)methylene propanedinitrile was perfected and the average yield was increased to above 70% in the present of KF/Al2O3 The problem that the amino group of above mention- ed pyrimidine compounds were hard to be acylated by trichloroacetyl chloride and benzoyl chloride was resolved by the use of NaH.

在研究合成方法的过程中，论文对KF/Al2O3催化合成本文嘧啶化合物4的&一锅煮&方法进行了完善和改进，扩大了&一锅煮&法的应用范围，可以直接使用硫酸酯、卤代烷、对甲苯磺酸酯进行合成，平均产率达到70%以上。

Synthesis and structural characterization of novel cycioplatinated complexes with 2-aryl imidazolines 2-arylimidazoline ligands 2a-2d were synthesized from benzoyl chloride or p-methoxybenzoyl chloride with aminoethanol or valinol and 2e was synthesized from 2-phenylimidazoline.

新型2-芳基咪唑啉环铂化合物的合成与结构表征以苯甲酰氯或4-甲氧基苯甲酰氯和氨基醇(2-氨基乙醇或外消旋的缬氨基醇)为原料，合成了四种2-芳基咪唑啉配体2a-2d，以2-苯基咪唑啉为原料合成了配体2e，其中2d为新化合物。

Benzyl ether is easy to condensed from benzyl chloride in the presence of alkali. In order to prevent production of benzyl ether, benzyl chloride must not contact with alkali.

由于氯化苄在碱作用下容易生成二苄醚，为了减少二苄醚的生成，必须避免氯化苄与碱的直接接触。

The effects of copper sulphate, lead acetate, zinc sulphate, cadmium chloride and neckel chloride on growth and root tip cell divition of Cucumis sativus seedlings were studied respectively.

选用黄瓜籽苗为材料，硫酸铜，醋酸铅、硫酸锌、氯化镉和氯化镍为化学处理试剂，研究它们对黄瓜籽苗的生长及其根尖细胞有丝分裂的影响。

Hazardous decomposition products : Oxides of carbon, chlorine, hydrogen chloride, possible trace amounts of carbonyl chloride, unidentified organic compounds.

（碳氧化物、氯、氯化氢、散发出微量羰酰氯，其他的有机化合物。

Ferric chloride catalyzed direct conversion of carbonyl compounds to the corresponding chloride with silicon hydride ( dichloromethylsilane , chlorodiphenylsilane or trichlorosilane) was realized.

在甲基二氯硅烷作用下，FeCl3能催化羰基化合物的还原氯代反应，得到相应的氯代产物；在甲基二氯硅烷、PBr3或NaI作用下，FeCl3可以催化羰基化合物的还原溴代或碘代反应，分别以良好的收率得到相应的溴代烷或碘代烷

Second, we discuss two materials which are cinnamoyl chloride and azobenzene. The cinnamoyl chloride can induce the photo-dimerization reaction under linear-polarized UV light. Similarly, azobenzene can induce the cis-trans photoisomerization under UV light.

第二部分采用光诱导配向的方式，将偶氮苯与PI结合，再利用偏极化紫外光曝光使其产生顺-反异构化反应，再用polarized-ATR-FTIR研究其三度空间之分子排列，做为未来显示器配向膜的参考。

It is especially suitable to separation of cobalt and nickel from chloride solution with high concentration of nickel and low concentration of cobalt by extraction with quaternary ammonium chloride.

对氯离子浓度较低的料液，季铵比叔胺更优越，特别适合从高镍低钴的低浓度氯化物介质中萃取分离钴、镍。

HIF-1αprotein expression is related to hypoxia degree mimicked by cobalt chloride and related to exposure time. HIF-1αmRNA expression had no significant difference in all groups. Cobalt chloride induced HIF-1αexpression is at protein level, no transcription level.

1、HIF-1α蛋白表达与氯化钴模拟缺氧程度和时间有关，HIF-1αmRNA表达没有明显差异，提示氯化钴模拟缺氧诱导的HIF-1α调节可能发生在蛋白水平，而非转录水平。

All animals were individually fed with a constant concentration and hay for 8 weeks. Results showed that VB12 production from cobalt in lambs was similar when using cobalt sulphate and cobalt chloride, and was significantly higher (P.05) in cobalt sulphate than in cobalt acetate. However, VB12 production significantly decreased in cobalt oxide treatment compared with other forms of cobalt sources. The relative bioavailability of cobalt sulphate, cobalt chloride, cobalt acetate and cobalt oxide was 100%, 95.66%, 89.50% and 22.56% respectively.

结果表明：1硫酸钴、氯化钴、乙酸钴、氧化钴的相对生物学有效率分别为100%、95.66%、89.50%和22.56%(P.01)；2硫酸钴、氯化钴、乙酸钴和氧化钴组血浆VB12的含量分别为1666.9、1594.5、1493.3和376.1pmol/L，硫酸钴、氯化钴组相近，乙酸钴组稍低，而氧化钴组明显下降，血浆甲基丙二酸含量为2.94、3.01、3.49和3.99μmol/L；同型半胱胺含量为8.91、9.23、9.97和10.78μmol/L，硫酸钴与氯化钴组相近，乙酸钴组稍有增加，而氧化钴组明显升高，3个指标反映了一致的钴营养状况。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。