硫化物的

Finally, it can be concluded for the first time that there was a large time gap between diagentic process of the volcanic rocks related to the Dapingzhang VHMS deposit and the ore-forming process, then a ore-forming model of the Dapingzhang deposit can be made, that is, the deposit passed through two important stages: the ore-forming metals concentrated during formation of the Early Palaeozoic spilite-quartz keratophyre on the island-arc belt, and the mineralization caused by the Late Palaeozoic magmation.

最后，首次提出与块状硫化物矿床有关的火山岩成岩过程和成矿过程可以有较大的时间间隔。在此基础上建立了大平掌矿床的成矿模式，并认为成矿作用可能经历了两个重要阶段，即早古生代岛弧型细碧岩-石英角斑岩建造形成过程中成矿元素的初始富集和晚古生代岩浆活动最终导致成矿。

Alkylation reactions of thiophenic compounds with olefin contained in FCC naphtha on USY zeolite catalyst were investigated.

以USY分子筛催化FCC汽油中噻吩类硫化物与烯烃的烷基化反应，采用DL-2B-EE微库仑仪测定反应前后硫分布的变化，考察了USY分子筛的制备条件和烷基化反应温度对其催化性能的影响。

The ore sample tested was the tail of Pan-Zhi-Huan vanadic titanomagnetite after magneticseparation and froth flotation of the sulfides,with particle size minus 0.315mm and TiO_2 content 17.5-18%. A high-grade concentrate of 47.7% TiO_2 with a 67% recovery was abtained in a open circuit flotation (one roughing and two cleaning operation), using solely sulfuric acid as pH regulator.

对浮选攀枝花钒钛磁铁矿的磁选—浮硫化物后的尾矿—即试料(粒度为—0.315毫米、含TiO_2为17.5—18%)，除用硫酸调整pH外，在不需添加其他调整剂的情况下，经一次粗选二次精选就可获得含TiO_247.7%、收率为67%的高品位钛精矿。

Antibacterial deodorizes : The bamboo coal's charcoal structure is compact, the proportion is big, the holes are many, the mineral substance content is rich, therefore has the very strong adsorption resolution capability, to the air sulfide, the nitride, the methyl alcohol, the benzene, the phenol, the chloroform and so on organic pollutant or the harmful chemical substance, can display the outstanding absorption and disappear the smelly function.

六：抗菌除臭：竹炭的炭质结构非常致密、比重大、孔隙多、矿物质含量丰富，因此具有很强的吸附分解能力，对空气中的硫化物、氮化物、甲醇、苯、酚、三氯甲烷等有机污染物或有害化学物质，均能发挥优异的吸收和消臭功能。

The methods and the precesses of the silver anti-tarnishing ,such as extremely thin metal coating,anodic passivation treatment,cathodic electrophoresis,chemical passivation and self-assembled monolayer,have been evaluated.

分析了银器表面在硫化物、硫氧化物等腐蚀性气体环境中变色的机理和影响因素，讨论了银器表面处理防变色(贵金属或合金的涂层、阳极化钝化、阴极电泳、化学钝化、自组装单分子膜的防腐蚀等)的方法和加工技术，并提出了包装贮存材料处理防银器变色的新途径。

By investigating the performances and chemical stabilities of three anode catalysts, namely, Pt, MoS2 and composite metal sulfide (MoS2/NiS) in the condition of electrochemical oxidation of hydrogen sulfide, it is indicated that MoS2 and MoS2+NiS exhibit better catalytic activity than Pt, and that, at a temperature more than 450℃, MoS2 itself sublimes, while the composite catalyst MoS2/NiS containing both Mo and transition metal Ni remains stable.

考察了3种阳极催化剂Pt、MoS2及复合金属硫化物(MoS2/NiS)电化学氧化硫化氢的性能和在硫化氢环境下的化学稳定性，发现MoS2和复合MoS2/NiS催化剂比Pt具有更好的催化活性，但MoS2在温度超过450℃时会升华，而含有Mo和过渡金属Ni的复合MoS2/NiS催化剂在操作条件下很稳定。

Based on GIS and water pollution model, the paper discusses sulfured pollution in Yellow River, analyses diffusion equation of sulfured pollution, implements visible presentation, provides a new method for water pollution control and management.

本文以黄河某河段的硫化物污染为例，基于GIS技术和水环境数值模拟方程，研究污染物在水环境中的运移扩散规律，并实现污染物扩散的可视化表达，探索污染控制和治理的新方法。

The Rectisol process is a physical absorption method of using the excellent character of low temperature methanol to remove the light hydrocarbon, carbon dioxide, sulfureted hydrogen, carbon oxysulfide, cyanide and so on, and it can remove the sulfides from the synthesis gas by 0.1ppm.

低温甲醇洗法是利用低温下(-50℃～-70℃)甲醇的优良特性脱除原料气中的轻质油、二氧化碳、硫化氢、硫氧化碳和氰化物等的物理吸收法，能将合成气中的硫化物脱至0.1ppm。

Ratio of 0.3-3. The matrix is oxide with a certain electric conductivity, and has such advantages as high-voltage cathode luminescence efficiency, high stability, and high anti-aging performance when compared with traditional insulating oxide matrix, semiconductor sulfide or oxysulfide matrix.

所选的基质材料具有一定的导电性能且为氧化物基质材料，与传统的绝缘体氧化物和半导体硫化物或硫氧化物基质相比具有良好的低压阴极射线发光效率，稳定性及抗衰老能力。

The copper-bearing sulfide horizon of the Qinglongtan deposit underwent not only intense structural reformation but also superimposition of skarn-type mineralization after the formation of massive sulfide ores.

文章综述了柴北缘地区的VHMS型Cu-S矿床－青龙滩式矿床，指出其容矿岩石为加里东造山带中被改造过的岛弧火山岩，该矿床中含铜硫化物矿层形成后不但遭受过构造的强烈改造，而且也受后期矽卡岩化的改造和叠加。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。