黄原酸

It deliberated that magnesium sulphate and epichlorohydrin affecting on synthetization of starch xanthate, mass ratio of synthetic starch xanthate and Magnesium sulphate was 8: 1, Mass ratio of synthetic starch xanthate and epichlorohydrin was 10 : 1, Magnesium sulphate and epichlorohydrin didnt affect sulphonating extent of synthetic starch xanthate, but did enhance cross extent and nature of insoluble.

研究了MgSO_4和环氧氯丙烷对DX合成的影响，得出淀粉和MgSO_4的重量比为8：1，淀粉和环氧氯丙烷的重量比为10：1，MgSO_4和环氧氯丙烷对黄原酸化程度没有影响，但能增强交联程度和不溶性。

K + can be quantitatively precipitated with sodium tetraphenylboron in HAC\|NaAC buffer solution (pH5~6) and the amount of excess Na\|TPB can be determined by oscillographic titration with a standard solution of tetraethylammonium chlorid monohydrat.

报道了用示波滴定法测定黄原酸钾含量，在 p H5～ 6的 HAc- Na Ac缓冲底液中，加入四苯硼钠沉淀 K+，过量的 Na- TPB用氯化四乙基铵标准溶液滴定，滴至 Na- TPB示波图切口消失为终点，终点直观敏锐，方法快速简便，准确度、精密度均高。

Properties of frontier orbital of xanthogen formates and ethoxycarbonyl thionocarbamates, including HOMO energy, shape of HOMO and atomic HOMO density, were calculated with quantum chemistry programs GW03 and FUJISTU CAChe. According to the results, the relationship between selectivity of such two kinds of collectors and their quantum chemical indices was investigated to discuss the feasibility of applying them in screening chalcopyrite collectors.

摘 要：利用量子化学软件GW03和FUJISTU CAChe计算黄原酸甲酸酯类、乙氧羰基硫氨酯类黄铜矿捕收剂的前线轨道的性质—HOMO能量、HOMO形状以及药剂组成原子的HOMO密度，并结合这两类药剂的浮选结果研究这些量化参数与药剂选择性之间的联系，探讨这些参数作为选择黄铜矿捕收剂判据的可行性。

Meanwhile hydroxides' action in the process of precipitate is hidden.

交联淀粉黄原酸盐吸附沉渣中的重金属可通过硝酸回收。

Typical precipitatingagents that have been used include sodium or calcium hydroxide , iron sulfide , sodium dimethyldithiocarbamate, sodium hydrosulfite , and starch xanthate.

典型的沉淀已使用的药物包括钠或氢氧化钙，铁硫醚，二甲基二钠，亚硫酸钠，淀粉黄原酸酯。

The invention relates to a surface chemistry modified latex which can be obtained by carrying out radical polymerization in emulsion in the presence of at least one ethylenically unsaturated monomer or at least one polymer having ethylinically unsaturated residual bonds, at least one radical polymerization, at least one single, double or triple block polymer which is soluble or dispersible in water, comprising an active group at the end thereof, capable of forming a radical, and chosen from dithioesters, xanthates, thioether-thiones and dithiocarbamates.

本发明涉及具有改良表面化学性质的胶乳，它可以通过在以下物质的存在下进行自由基乳液聚合来获得：至少一种烯属不饱和单体或至少一种含残留烯属不饱和键的聚合物，至少一种自由基聚合引发剂，至少一种水溶性和/或水可分散的单嵌段、二嵌段或三嵌段聚合物，在其端部包括选自二硫酯，硫醚-硫酮，二硫代氨基甲酸酯和黄原酸酯中的能够形成自由基的活性基团。

The chaff xanthogenate will provide the new technique for reducing cost of sewage manage.

结论］谷壳黄原酸盐为降低污水处理成本提供了一种新的技术。

ConclusionThe chaff xanthogenate will provide the newtechnique for reducing cost of sewage manage.

结论谷壳黄原酸盐为降低污水处理成本提供了一种新的技术。

A flocculant polyethyleneimine-sodium xanthogenate was prepared, The effects of PEX on removing copper ions and turbidity of wastewater was studied.

以聚乙烯亚胺和二硫化碳制备聚乙烯亚胺基黄原酸钠，研究了PEX对废水中浊度及铜的去除效果。

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。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐