硫化作用

The first is a dissolution of argentite acted by Fe3+ ion in acid solution.

推导出其氧化溶解过程，主要分两步，第一步是硫化银在酸性铁离子的作用下溶解。

As for the sulfide precipitation-coagulation, the function of coagulator is proved by both sweep-floe coagulation and charge neutralization.

硫化沉淀-混凝联用法中混凝剂的作用机理为卷扫絮凝和电性中和。

We have found that The content of water and iron is the main cause of the phenomenon of collapse of the electric field of the electric dehydrator. The natural surfacants, polymers and colloidal FeS particles are the key cause of the form of the oil-water intermediate layer of the 4th Produced Factory.

天然表活剂、聚合物以及硫化亚铁胶体或微粒的作用是大庆油田采油四厂原油脱水时形成了较稳定的油包水型中间层的主要原因。

The worn surface was analyzed with X-ray photoelectron spectroscopy, scanning electron microscopy and electron probe microanalysis.

通过与廿二酸和硫化异丁烯的对比研究发现，在廿二酸中引入硫后，氧与硫产生了明显的协同减摩抗磨及承载作用。

In this paper, four parts are included to study the role of cloud dynamics, microphysics and chemistry process in ozone photochemistry and sulfur chemistry in the troposphere.

本文分四部分研究了与云过程有关的云动力学、云微物理和化学过程对对流层大气臭氧光化学和硫化学的作用。

The results shows that the water-swelling ratio increases with increasing LiAA or NaAA content, but decreases with increasing DCP content.

原位合成NaAA和LiAA对于CPE橡胶具有很大的增强作用，当NaAA含量和DCP用量分别为10份和1.0份时，硫化胶的拉伸强度可超过30MPa。

Sulfuration olefin with high activity had better replenishinge effect than that of zinc dialkyl dithiophosphate whose activity depended on catalysis of temperature.

其中，高活性的硫烯比需要温度催化的ZDDP对硫化层的补充作用更明显。

Anti-aging effects of non-lead and non-nickel antiager of 4,4 -Bis(alpha,alpha-dimethylbenzyl)diphenylamine(445)and 2-phenyl mercaptan parallelism imidazole were dealt with on the mechanical properties and vulcanizing performance of epichlorohydrin rubber.

研究了不含铅、镍重金属盐的防老剂445[4，4′-双(2，2-二甲基苄基)二苯胺]和2-硫醇基苯骈咪唑用于氯醚橡胶的防老化作用，考察了防老剂对ECO的力学性能和硫化特性等性能的影响。

Plate tectonics; ocean ridge; magmatism; ocean crust; lithosphere; Benioff Zone; Precambrian; seafloor magnetic lineations; mantle; basalt; transform fault; metamorphism; metamorphic facies; Strontium isotope; sulphide ore

关键词：板块构造；洋脊；岩浆作用；洋底壳；岩石圈；贝尼奥夫带；前寒武纪；海底磁性线壮构造；地幔；玄武岩；转换断层；变质作用；变质相；锶同位素；硫化矿

The internal causes are the effects of salts, particularly chlorides and sulphates, in the constituent materials, interaction between the constituent materials, such as alkali aggregate reaction, volume changes, absorption and permeability.

内部起因是盐，特殊氯化物的作用和硫化，在构成材料，互作用在构成材料之间，譬如碱聚集体反应、容积变化、吸收和渗透性。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。