硫的

We have had the extensive studies on theα-acetyl-α-carbamoyl ketene--acetals and its further applications, for example, their adols condensations with aldehydes giveα-alkenoyl-α-carbamoyl ketene--acetals which can be utilized as the 1,5-bielectronic five-carbon components to react with various binucleophlilic species in a [5+1] annulation.

我们小组在以前的工作中对α-乙酰基-α-胺甲酰基二硫缩烯酮在合成中的应用进行了深入的研究，如与醛缩合生成α-烯酰基-α-胺甲酰基二硫缩烯酮，将其作为1，5-双亲电五碳合成子的[5+1]成环策略等。

Exposed argentite could be dissolved in thiourea acidified by sulphuric acid ,since native Ag is not dissolved in non-oxidizing inorganic acids , hydrochloric acid was used to dissolve the sphalerite and to soak out the argentite which was enveloped in sphalerite .

继以硫酸酸化的硫脲溶剂溶解裸露的辉银矿，然后根据自然银在非氧化性的无机酸中不溶的特性，采用盐酸溶解闪锌矿并浸

The choice of carrier is important for the immobilization of Thiobacillus ferrooxidans . Activated carbon, gangue, ceramic granule and zeolite were used as carriers, and their effect on the oxidative activity of the bacteria and the biomass adhering to carriers were analyzed.

载体的选择对氧化亚铁硫杆菌的固定化至关重要，选择活性炭、煤矸石、陶粒和沸石4种载体，考察这4种载体在不同添加量下对氧化亚铁硫杆菌氧化活性的影响，并分析载体表面附着的生物量。

The electrochemical property of PDT and PDT metal complexes were characterized by CV, from the result of CV, it can be found that PDT and PDT metal complexes possesses electrochemical activity, which arised from the heteroatom of molecules.

我们用循环伏安表征了对二苯甲醛缩氨基硫脲及其金属络合物的电化学性质，从循环伏安的结果来看，对二苯甲醛缩氨基硫脲及其金属络合物具有一定的电化学活性，并且这些电化学活性主要来自于分子中的杂原子。

In this paper we reported the results of 4 antimony cyclic-mercaptides and 2 corresponding tincompounds and 1 organomercury compounds,3 stibonic acids and related compounds,4 bis(p-aminophenoxy)- thiaalkanes,4 EDTA-chelates of antimony,tin,mercury and bismuth,"TWSb", hexachloroethane,tetrachloroethylene and some other antimony,tin and mercury compounds.

本文报告32种有机化合物对于日本血吸虫病的动物实验治疗的结果，包括：二硫锑环状化合物4种及其相应的 Sn 化合物2种及 Hg 化合物1种、酸类3种、双硫间烷类化合物4种、EDTA 与 Sb，Sn，Hg 及 Bi4种螯合盐、"TWSb"、CCl_3—CCl_3、CCl_2=CCl_2以及一些其他 Sb，Sn 及 Hg 的衍生物。

In recent years, because the sulfur corroded accidents and so on refinery which, storage and transport equipment revelation occurred to occur frequently, created the huge economic loss to the enterprise, the analysis accident cause factor discovered that the iron pyrites spontaneous combustion was the primary cause which the initiation exploded.

近年来，由于硫腐蚀而发生的炼油、储运设备泄露等事故频繁发生，给企业造成巨大的经济损失，分析事故原因发现，硫铁化物的自燃是引发爆炸的主要原因。

The effects of pH value, redox potential, ferrous ions, total iron and uranium concentration were examine...

结果表明，在沥青铀矿石的细菌浸出中，细菌的作用以间接作用为主，即细菌把还原态的硫或单质硫及Fe2+氧化成Fe2(SO4)3。

Their chaperone function is independent of and has promoting effects on the enzyme activities for the formation of disulfide bonds.

它们的分子伴侣功能独立于二硫键形成酶的活性并且对二硫键形成酶活性具有明显的促进作用。

Some useful methods for assignment of disulfide bonds in proteins are introduced, the developments and applications of mass spectrometry in this area are reviewed.

本文介绍了目前主要的定位二硫键的方法以及质谱在二硫键定位分析中的应用与进展。

Eleusis Mysteires in ancient Greece is an ceremony hold to offer the two goddess Demeter and Kore at Eleusis city. The ceremony was in secrecy, the disobedient person would be punished with death penalty.

古希腊的厄硫西斯秘仪是为献祭两位女神－德墨特和科瑞而在厄硫西斯城举行的仪式，其仪式对外秘而不宣，否则将以死刑作为对其的惩罚。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。