硫化

Through thermodynamic calculation and electrochemical analysis of multiple redox reactions on the minerals of galena, sphalerite and pyrite in different system, it could be found that pulp chemical environment in which hydrophobe of collectorless flotation produced was beneficial to reduce collector dosage in existing flotation system; electrochemical analysis on sphalerite had been engaged; and pulp chemical environment of OPF for lead-zinc-iron sulfide minerals and relevant selective measure for collector and modifer were established.

通过对方铅矿、闪锌矿、黄铁矿在水体系、调整剂体系、捕收剂体系中由局部电池造成的多种氧化—还原反应的热力学分析和电化学测试，补充和完善了铅锌铁硫化矿浮选电化学理论。提出了矿物表面无捕收剂疏水体生成的矿浆化学环境有利于降低现有浮选体系中捕收剂用量的观点；成功地进行了闪锌矿的电

The itaconic acid carboxylated ACM has better cure characteristics and mechanical properties than the acrylic acid carboxylated ACM.

对于以衣康酸为交联单体的ACM，辐射法制备的橡胶比化学法制备的橡胶拥有更好的硫化特性、更高的凝胶含量和更优异的机械性能。

The itaconic acid carboxylated ACM has better cure characteristics and mechanical properties than the acrylic acid carboxylated ACM.

以衣康酸为交联单体的ACM的硫化特性和机械性能好于以丙烯酸为交联单体的ACM。

The itaconic acid carboxylated ACM prepared by γ-ray irradiation has higher gel fraction and better cure characteristics as well as mechanical properties than that prepared by chemical method.

对于以衣康酸为交联单体的ACM，辐射法制备的橡胶比化学法制备的橡胶拥有更好的硫化特性、更高的凝胶含量和更优异的机械性能。

As a part of this key program from China Natural Science Foundation, this research focuses on the electrochemical reactions and oxidization products on the surfaces of jamesonite and marmatite, and on the change of their interfacial structures and their electrochemical mechanisms by various methods of thermodynamic, electrochemistry (such as Tafel, constant potential step, cycle voltammetry, AC impedance) and IR, UV spectra when the collectors, adjusting reagents act with the sulfide minerals in the flotation system so that the electrochemical conditions to float selectively the minerals can be decided.

本研究作为该国家自然科学重点基金项目的一部分，采用热力学、电化学(Tafel、循环伏安、恒电位阶跃和交流阻抗法)以及光谱等多种研究手段，集中研究了浮选体系中脆硫锑铅矿、铁闪锌矿表面的电化学反应及氧化产物，研究这两种矿物与捕收剂、调整剂相互作用时的界面结构变化及电化学机理，阐明了使药剂选择性捕收或选择性抑制这些硫化矿物的电化学条件。

No tetracthyl thiuram (TETD or D2) molecule formed by oxidation on the surface. At the potential from -0.25 V on, the chemical adsorption of jamesonite occurred. In the presence of diethyldithiocarbamate, the interaction between jamesonite and diethyldithiocarbamate became obvious from 0.35 V on.

采用循环伏安电位扫描研究方法，研究了乙硫氮在脆硫锑铅矿表面的电化学作用机理，在其表面没有氧化形成四乙基二硫化秋兰姆（TETD或D2）分子；电极电位从－0.25V左右开始就在脆硫锑铅矿产生了化学吸附。

KAVASS canvas shoes are manufactured after three stringent curing technology, with softness, flexibility and

KAVASS 帆布鞋的鞋底经过最严格的三次硫化技术，柔软性高，弹性强，在恶劣天气下不变形。

The XRD and SEM/EDX analyses demonstrated that minerals in Beijing PM10 were clay and quartz, plagioclase, potassium feldspar, albite, calcite, dolomite, hematite, pyrite, magnesite, gypsum, and laumontite, in descending order.

XRD及 FESEM/EDX单颗粒分析表明，北京市PM10中的矿物颗粒以粘土矿物和石英为主，另外还有斜长石、钾长石、钠长石、方解石、白云石、赤铁矿、黄铁矿，菱镁矿、石膏、浊沸石等，矿物颗粒表面的硫化现象常见。2002特大沙尘暴颗粒物中的矿物的含量自大到小分别为粘土矿物、石英、斜长石、方解石、钾长石、赤铁矿、黄铁矿、角闪石和石膏。

One of the most common taste modifiers is sodium lauryl sulfate, a chemical component found in many brands of toothpaste that can affect the taste of orange juice.

其中一种最普通的味觉修正物就是硫化硫酸钠了。这是一种可以再很多牌子的牙膏中找到的化学物质。

This modifying effect of sodium lauryl sulfate explains the mildly unpleasant taste of orange juice that is occasionally experienced when drinking it right after brushing one's teeth.

硫化硫酸钠的这种作用解释了刚刷完牙后就喝果汁的话会感到一点不舒服的味道。

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。