查询词典 hydrogen sulfide

The vulcanization hydrogen gas that produces by biology can replace chemical sulfide with very low cost, and can reduce acerbity cost amount.

由生物产生的硫化氢气体可以以很低的成本代替化学品硫化物，并且可以降低酸耗量。

The coloured lower sulfide is the sublimate obtained by heating Argyrodite in a flow of hydrogen.

有色的低价硫化物可以在通氢气流的情况下，通过加热硫银锗矿升华制的。

Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

采用"一勺烩"方法，以4-羟基苯甲腈为起始原料，首先与硫氢化钠和无水氯化镁在N，N-二甲基甲酰胺中反应，所得中间体不经分离，直接加入2-氯乙酰乙酸乙酯进行环合反应，得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（2）；然后通过六亚甲基四胺/三氟乙酸进行Duff反应，得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯（3）；再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。

Thinking serum sodium level is reduced is Mao Xi bronchitic common complication, the pine that natrium of inchoate application blood intervenes cure and large dose hydrogen sulfide are taken an examination of has effect of favorable prevention and cure to disease of low natrium blood.

认为血清钠水平降低是毛细支气管炎常见的并发症，早期应用血钠干预治疗及大剂量氢化考的松对低钠血症具有良好的防治功能。

Small dose is methylic Mao Xi of prednisone dragon cure is bronchitic can alleviate quickly symptom of asthma hold back, shorten curative effect, cortisone of apparent excel hydrogen sulfide.

小剂量甲基强的松龙治疗毛细支气管炎能迅速缓解喘憋症状，缩短疗效，明显优于氢化可的松。

A new process,urea- calcium cyanamide method,for producing thiourea from urea and hydrogen sulfide is proposed.

利用尿素和硫化氢等原料制备硫脲，提出了尿素-氰氨化钙法新工艺。

From the aspects of statistical data,diffusibility,odor and toxicity of pollutants,it discussed the main odor pollutants such as hydrogen sulfide,sulfur dioxide, carbon bisulfide ,thior and ammonia etc.

综述了硫化氢、二氧化硫、二硫化碳和硫醇等硫化物的臭味特征、危害性、中毒症状、国家环保部门许可的排放标准及其防治办法。

Green room: Cockscomb addition to uranium and other radioactive; Aloe three of vinyl chloride, hydrogen sulfide, benzene and other organic matter, and absorb dust, bacteria; cactus absorb the infection; aspartic In addition to heavy metal particles; Chlorophytum is very suitable for on raising plants indoors and do not bother Oh!

房间养几盆绿色植物：鸡冠花除铀等放射性；芦荟除三氯乙烯、硫化氢、苯等有机物，并吸收灰尘、细菌；仙人掌吸收病菌；天门冬除重金属微粒；吊兰是非常适合室内养植且不费心的植物哦！

Colorless acicular crystal, easily being deliquescent, soluble in water and alcohol, Melting point decompose out hydrogen sulfide.

无色或淡黄色或浅褐色针状结晶，易潮解，熔点时分解放出硫化氢，易溶于水和醇。

Objective To establish a method for the determination of sulfmethemoglobin so as to evaluate the detoxication effects of methemogobin formation agent on hydrogen sulfide poisoning.

目的 探讨建立硫高铁血红蛋白的测定方法以评价不同高铁血红蛋白形成剂对急性硫化氢中毒的解毒作用。

When you eat it it's like a Mexican tortilla, you use the pancake and roll up everything in it, it tastes awesomely awesome!

吃的时候就像墨西哥玉米饼一样，用薄饼把烤鸭和配料卷在一起吃，味道好极了！

The contents of β2-microglobulin in vernal conjunctivitis patients were in activated secretor state, which has positive significance in exploring the pathogenesis and guiding the therapy of vernal conjunctivitis.

春季卡他性结膜炎急性期β2 -微球蛋白处于高度活化分泌状态，对探讨春季卡他性结膜炎的发病机制和指导治疗具有积极意义。