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硫代硫酸钠

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Diallyl trisulfide was synthesized with a yield of 76.4% based on sodium thiosulfate, allyl bromide and sodium sulfide. And diallyl tetrasulfide was synthesized by the reaction of sulfur monochloride with ally1 mercaptan with a yield of 81.0%.

硫代硫酸钠、烯丙基澳和硫化钠为原料,合成了二烯丙基三硫,产率为76.4%;以一氯化硫和烯丙硫醇为原料合成了二烯丙基四硫,产率为81.0%。

Company sulphur, sodium thiosulfate for the main field, sulphur, sales of 60000-80000 tons of sodium thiosulfate in sales of 8,000 tons, and annual sales of 67 million yuan, is the Northeast regional sales sulfur professional firms .

公司以硫磺、硫代硫酸钠为主营领域,硫磺年销售量为60000-80000吨,硫代硫酸钠年销售量8000吨,年销售额为人民币6700万元,是东北地区销售硫磺的专业公司。

Chemical method that is used chlorine sodium thiosulfate, the proportion of water per 10 kg plus 1 gram of sodium thiosulfate, stirring dissolved, you can use.

化学法即用硫代硫酸钠除氯,其比例为每10公斤水加1克硫代硫酸钠,搅拌溶解后,即可使用。

Our company main products are: sodium bisulfite, anhydrous sodium sulfite, sodium sulfite, sodium thiosulfate, protopine.

本公司主导产品有:亚硫酸氢钠、无水亚硫酸钠、焦亚硫酸钠、硫代硫酸钠、片碱。

According to the reducibility of sodium thiosulfate ,the interference of sulfite is eliminated by formaldehyde and sodium thiosulfate is determined by indirect iodimetry with addition of excessive iodine.

根据硫代硫酸钠的还原性,以甲醛消除亚硫酸盐的干扰,加过量碘,间接法测定硫代硫酸钠

By neutralizating, evaporating and crystallizing by-product sodium thiosulfate could be prep.

氧化后液的主要成分为硫代硫酸钠,通过中和、浓缩和结晶,可以副产出硫代硫酸钠

The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.

以正庚醛、硫代硫酸钠和溴代正丁烷为原料,合成了正庚醛正丁硫醇缩醛。

Sodium hydrosulfite,hydrogen peroxide,sodium percarbonate,sodium sulfite,rongalite C,zinc oxide,sodium thiosulfate,carbon dioxide,dry ice,methanol,formalin,urea,sodium carbonate,ammonium chloride.

提供产品:连二亚硫酸钠,过氧化氢,过氧碳酸钠,亚硫酸钠,雕百块,氧化锌,硫代硫酸钠,二氧化碳,干冰,甲醇,甲醛,尿素,纯碱,氯化铵。

The primary factors which influence oxidizing rate of sodium thiosulphate are discussed.

利用固体超强酸SO42-/T iO2及SO42-/W O3对硫代硫酸钠进行了光催化氧化的研究,并讨论了影响硫代硫酸钠氧化率的主要因素。

The chemical deposition method was applied to prepare bismuth sulfide through reaction of bismuth salt complexed by triethanolamine or EDTA with an aqueous solution containing a sulfur sourse such as thioacetamide, thiourea, sodium thiosulphate, geseous H2S.

化学沉积方法用于准备硫化铋铋盐络合的反应,通过乙醇胺水溶液或edta一个含有硫源为硫代乙酰胺等,硫、硫代硫酸钠、硫化氢geseous。

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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

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。