硫化氢

Results: Using of handy infrared gas spectrometer, the ammonia, sulphur dioxide, acetone, butanone, ethyl acetate, chloroform, benzene, toluene, methyl alcohol, ethyl alcohol, isopropanol, and other harmful gases can be carried out quickly Online Testing. The arsine, hydrogen chloride, hydrogen cyanide, hydrogen sulfide can not be detected online.

结果：可利用便携式红外气体分析仪对氨、二氧化硫、丙酮、丁酮、乙酸乙酯、氯仿、苯、甲苯、甲醇、乙醇、异丙醇等有害气体可进行快速的在线检测，不能对砷化氢、氯化氢、氰化氢、硫化氢进行快速在线检测。

In this research, the silver carp surimi is stored respectively at room temperature, 4 ℃ and -18 ℃ for several days, and then get pH testing, H2S detection, biuret and differential scanning calorimetry to detect the change of freshness and salt -soluble protein so as to reflect changes in quality.

研究鲢鱼鱼糜在常温、4、-18℃下，储藏不同天数，通过pH值检测、硫化氢检测、微生物检测、双缩脲法和差示扫描量热法，检测新鲜度和盐溶性蛋白质的变化，从而反映鲢鱼鱼糜的品质变化。

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。

We also develop special purpose Anti- Sulfured Hydrogen Tubing and Endure Cauterization Tubing which upgrade the competitive force and science and technology content.

同时开发特殊用途的防硫化氢油管，耐腐蚀油管等，从而提升了产品的竞争力和科技含量。

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！

The synthesis of thiourea can be divided into two steps. First, cyanamide was produced by dehydration of urea. Second, cyanamide reacted with Na_2S in water solution, which produce thiourea and NaOH.

首先第一步通过尿素常压脱水制备氰胺，第二步氰胺与硫化钠溶液在一定温度下反应生成硫脲及氢氧化钠，而氢氧化钠与通入的硫化氢气体生成硫化钠，从而继续参与反应。

Characterization of the enzymic capacity for cysteine desulphhydration in liver and kidney of the rat .

气体信号一氧化氮与硫化氢在肺动脉舒张反应中的相互作用。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。