查询词典 sulfide

Arsenic trioxide was prepared by leaching arsenic sulfide slag in NaOH solution, oxidating with air and reducing with sulfur dioxide.

摘 要：硫化砷渣经氢氧化钠溶液浸出、空气氧化脱硫和SO2还原制备得到As2O3。

Amine catalysts are used for preparation of thioamides by the addition reaction of nitriles with hydrogen sulfide.

在胺催化下，硫化氢和腈加成反应生成硫代酰胺，其原子经济性为100%，是一个绿色化学合成方法。

And then the Ar flow rate is lowered to 90-110sccm, the temperature is increased quickly to 780-830deg.C, keeping the temperature for 40-60min, naturally cooling to room temperature under the Ar protective atmosphere, taking out of said ceramic ship, obtained is the four needle nanometer zinc sulfide in yellow and white colour on the substrate.

而后将Ar流量降至90～110sccm，并将炉子快速升温至780～830℃，保温40～60分钟后，在Ar保护下随炉自然冷却至室温，取出瓷舟，在硅基片上得到黄白色四针状纳米硫化锌。

Zinc oxide green phosphors with hexagonal wurtzite structure have been synthesized by calcining zinc sulfide with some certain amount of halides MX (X=F, Cl, Br, I; M=Na, K, NH_4, Zn, ZrO).

2该类荧光粉中S和卤素的含量分别在0.6-2％和3-4％范围，可看成是S，Cl共掺杂的ZnO荧光粉。紫外可见吸收光谱证明S和Cl的掺杂可以降低ZnO的带-带吸收强度，并在3.06ev(399nm)出现新的吸收峰。

The degradation properties of sulfide flotation collectors such as Xanthogenate, Dithiocarbamate, Dithiophophate, N,N-dialkyl-dithiocarbamatecyanoethylene and Thionocarbamate are studied in this paper.

论文研究了黄原酸盐、氨基二硫代甲酸盐、二硫代磷酸盐、氨基二硫代丙烯腈酯、氨基硫逐甲酸酯等硫化矿捕收剂的降解性能。

The species and abundance of metal minerals increasing from SE to NW in horizon, corresponding transformation from sulfide altering orebody type to quartz vein orebody type.

同时在矿田水平方向上，由于SE→NW金属矿物的种类和含量呈增加的趋势，由少硫化物蚀变岩型向多金属硫化物石英脉型变化。

The sulfide deposits have the stratabound nature and show zoning controlled by different distances from the eruption center. Moreover, there are metallogenetic specializations of thick-bedded basic lava-hosted iron deposits and acid volcanic rock-hosted copper-zinc deposits or lead-zinc-copper deposits.

矿床具有层控性及距火山喷发中心带距离不同而控制的分带性规律，还有厚层基性熔岩形成铁矿、酸性火山岩赋存铜―锌型或铅―锌―铜型矿的岩性成矿专属性。

The research is made with simulated industrial gas in self-made desulfurization and regenerating device aim to confirm the process condition recovering sulfur from high concentration hydrogen sulfide released in aerofloat production with tanning extract solution.

在自行组装的脱硫再生实验装置上，采用模拟的工业气体研究了栲胶溶液处理黑药生产中释放的高浓度硫化氢气体以回收硫磺的工艺条件。

So far research on antibiotic production wastewater treatment has mainly focused on the removals of organic pollutant and sulphate and hydrogen sulfide produced during sulphate removal with anaerobic process.

迄今为止，虽然对抗生素废水处理技术的研究很多，但基本上是针对有机物和硫酸盐以及硫酸盐在厌氧过程中产生的高浓度硫化氢去除的研究，而对脱氮除磷、脱色以及剩余污泥处理的研究，尤其是综合治理技术的最优化和工程实际应用的研究很少。

Workshop has a hose H-20 Hose Forming Machine Units 1, 115 rubber extruder Second Units, 800m / m sulfide cans Units 1, can produce water hose, air hose, oil, heat, acid and alkali Hose , sand blasting hose, fire-retardant hose, suction, suction base, oil hose, hose annual production capacity of 10 million standard meters.

胶管车间拥有H-20胶管成型机一台，Φ115橡胶挤出机二台，Φ800m/m硫化罐一台，可生产输水胶管，空气胶管，耐油、耐热、耐酸碱胶管，喷砂胶管，阻燃胶管，吸水、吸酸碱、吸油胶管，年生产胶管能力1000万标米。

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。