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Sulfur ore concentrate to chromic, nickel, in zinc waste water treating processes, increment, agitation time factors and so on discussed the temperature through the experiment, has thrown galvanizes the heavy metal waste water to sulfur ore concentrate processing the influence, thus obtains the galvanization waste water processing being suitable experimental condition.

本课题采用的精矿是邯郸市插箭岭磷肥有限公司所提供,精矿对含铬、镍、锌废水的处理过程中,通过实验探讨了温度、投加量、搅拌时间等因素对精矿处理电镀重金属废水的影响,从而得到电镀废水处理的适宜的实验条件。

In addition, existing form and stability of sulfur in coke are the main factors influencing sulfuring efficiency.

高炉内主要来自焦炭,焦炭中的存在形态对铁水中的含量有很大影响。

Meanwhile,atmospheric exposure test and electrolyte soaking method were applied to investigate the effect of different rare earth catalyzers and their content on corrosion resistance of sulfurized Cr12 steel.

借助稀土的催渗作用实现了Cr12钢表面的低温熔融渗,用扫描电镜和俄歇电子能谱仪分析了渗层的微观形貌和基本成分,并通过大气暴露试验和电解质浸泡试验考察了渗剂中稀土添加剂的类别和加入量对渗层抗蚀性的影响规律。

A four-ball tester was used to evaluate the load carrying and antiwear properties of bismuth dibutyldithiocarbamate,bis-dibutyldithiocarbamates(V7723),sulfurized isobutylene,molybdenum ester non sulfur and phosphorus in a mineral oil respectively and their synergistic effects.

利用四球试验机评价了二丁基二代氨基甲酸铋与二丁基二代氨基甲酸酯(V7723)、化异丁烯和非磷钼酸酯添加剂的极压和抗磨性能,以及它们之间的极压和抗磨协同作用。

Sulphurized-nitrided compound layer is prepared on the surface of drilling pipe joint material 35CrMo steel by the application of ion nitriding and ion sulfurizing technology.

应用离子渗氮与离子渗技术,在钻杆接头材料35CrMo钢表面制备了氮复合处理层。采用M-200环块磨损试验机,对比研究了原始渗氮表面与氮复合表面在干摩擦条件下的抗磨损性能。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属化矿的铵盐液相氧化直接浸出方法,其特征在于:采用铵盐溶液作浸出剂,采用由表面活化剂木质磺酸钠或十二烷基磺酸钠,液相氧化催化剂Cu2+、萃剂四氯乙烯组成的液相氧化活化剂,在气液固三相反应器内,实现化矿的快速浸出过程,矿粉中各种化物所含的转变为单质酸根,所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中,消除传统流程中二氧化化氢,氮氧化物及含砷含汞含铅等有毒烟气的排放。

In this study,the organic sulfur compound is decomposed in a oxygen flask;organic sulfur is turned into sulfate sulfur,and then the measure of sulfate is determined by Barium Chromate Spectrophotometer .

本文用氧弹燃烧法将煤中有机氧化成二氧化和三氧化,再将其转化成酸盐,建立铬酸钡光度法测定酸根的方法,从而间接得到有机的含量。

In order to obtain better quality of this experiment, huaiqing yam with no sulfur protect color as the breakthrough point, through the huaiqing yam without sulfur protect color and drying, thus huaiqing yam best without sulfur and drying protect color matching, the actual production for huaiqing yam application support.

为了获得更好品质的怀山药,本试验以无护色为切入点,通过对怀山药进行无护色和热风干燥的研究,从而获得怀山药最佳无护色配比和热风干燥规律,为怀山药的实际生产应用提供支撑。

Determination ; sulphur content ; dye bath ; sulfide ion ; electrode ; sulfion-selective electrode ; sulfide-antioxidation-buffer ; potentiometric titration

测定;分;染浴;离子;电极;离子选择电极;化物抗氧缓冲剂;电位滴定法

The research presented here is aimed at exploring the effect of DTT on the in vitro fibril formation of hen egg-white lysozymes with four disulfide bonds. In this work, we specifically addressed the effect of DTT concentration under different incubation temperatures on the hen lysozyme structure and fibril formation, the effect of addition of DTT at later time points on the amyloid fibrillization of hen lysozymes, and the effect of concentration ratio between reduced and oxidized forms of DTT on the fibril formation of lysozymes.

本研究以具有四对双键的母鸡蛋白溶菌酶为蛋白质模式系统,在含盐类之酸性溶液环境下诱导生成类淀粉纤维,再配合二代苏糖醇破坏溶菌酶中的双键,探讨:(1)不同温度下加入不同DTT浓度对溶菌酶类淀粉纤维形成之影响,(2)不同生长时期加入DTT对溶菌酶类淀粉纤维形成之影响,(3)不同比例之DTT和氧化态DTT浓度对溶菌酶类淀粉纤维形成之影响。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。