查询词典 sulfide

Our experimental results are helpful in understanding the detailed MPI processes of Acetone and dimethyl sulfide.

这些结果的获得有助于对这两种分子的光电离-解离动力学有更全面详细的认识。

Sulfate reducing bacteriaare strict anaerobes, which dissimilate organics using sulfate or other oxidation state sulfide as electron acceptors.

硫酸盐还原菌是利用硫酸盐或其他氧化态硫化物作为电子受体来异化有机物的严格厌氧菌。

But copper dissolves less, and silver、nickel and iron is hardly dissoluble, because of passivation of black Ag〓S and Cu〓S layer and sulfide film of nickel and iron.

在碱性硫脲溶液中，银、铜几乎不溶解是因为黑色的Ag〓S和Cu〓S膜的钝化，铁、镍不溶解亦是其硫化物膜钝化的结果。

The process industrial synthsis of tert-dodecyl mercaptan from dodecylene and hydrogen sulfide with aluminium trichloride as catalyst was introduced, which consists of four units including the preparation of catalyst, purification of raw dodecylene, additive reaction and separation of reaction product.

介绍了以无水三氯化铝络合物为催化剂，十二烯和硫化氢直接加成法生产叔十二烷基硫醇的工业试验工艺。

During the whole course of the dynamitic development and evolvement of redox zones, concentrations of TOC, sulfide, NH+4-N, HCO-3, CO2 and Fe2+ increased with time and decreased with distance; concentrations of NO-3 and DO decreased with time and increased with distance; SO2-4 concentration decreased first and then increased over time; but decreased with distance.

在氧化还原带的整个演化过程中，各带中TOC、硫化物、NH+4-N、HCO-3、CO2和Fe2+等物质的浓度随时间的推移而升高，随离污染源距离的增加而降低；NO-3和DO等物质的浓度随时间的推移而减小，随离污染源距离的增加而升高；SO2-4的浓度则随时间的推移先减小而后增加，随离污染源距离的增加而降低。

Under the condition of 80℃ and lauryl sodium sulfide was used as the emulsor, organosilicone prepolymer and arcylic ester (mass ratio was 8%)were copolymerised, the arcylic resin emulsion modified by organosilicone was obtained.

张晓镭，强国强，沈鹏程，紫外光固化硅丙树脂皮革涂饰剂的研究十二烷基硫酸钠为乳化剂，80℃条件下，m∶m=4∶50进行共聚，得到有机硅改性丙烯酸树脂乳液。

Ammonia and nitrate, ferrous ion, sulfide, various gases and organic acids are sequentially formed, corresponding to the activities of aerobic and facultatively anaerobic bacteria, sulfate-reducing bacteria, and methane-producing bacteria with the development of reduction reactions.

在还原过程中，随着好氧细菌、兼性厌氧细菌、硫酸还原菌和甲烷菌的活动，相继形成氨、硝酸根离子、亚铁离子、硫化物、气体物质及有机酸。

Soft blue-grey mineral; lead sulfide; a major source of lead galenic

n。 盖仑制剂，植物制剂，未经精制的药物 galenism

The results showed that for carbon steel exposed to sea water for 1~120 month, there were large quantities of SRB congregating in the internal rust layer, arid synchronously there were different numbers of heterotropic bacteria, iron bacteria and sulfide-oxidizing bacteria.

通过在海水中现场挂样，检测了碳钢内锈层中的硫酸盐还原菌、异养菌、铁细菌和硫氧化菌的数量，用SEM观察了内锈层中腐蚀性细菌的形态和分布，并测定了内锈层中的FeS含量，研究了内锈层中微生物对碳钢海水腐蚀的影响及碳钢内锈层中的微生物及其腐蚀与大型生物、锈层、温度等的关系。

Keywords Black mercury sulfide;Thickish hot hydrochloric acid;Hydrobromic acid;Hydroiodic acid;Dissolve

黑色流化汞；热浓盐酸；氢溴酸；氢碘酸；溶解

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。