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- calcium hydrogen sulfide 氢硫化钙
- Then,calcium sulfide was acidulated and decomposed by carbon dioxide to produce hydrogen sulfide. 通过单因素分析和正交实验设计,确定硫化钙碳酸化制备硫化氢的最佳工艺参数。
- The results show that hydrogen sulfide, carbon dioxide, calcium carbonate, water and carbon are the main products in the TSR system. 结果表明,高温下天然气与固态硫酸钙可以发生明显的硫酸盐热化学还原反应(TSR),产物主要为硫化氢、二氧化碳、碳酸钙、水和焦炭。
- The hydrogen sulfide is often blamed for the corrosion. 硫化氢常常引起腐蚀。
- The ones without CSE had much lower levels of hydrogen sulfide. 去除CSE组的老鼠硫化氢含量相对低很多。
- The production situation of thiourea in China is introduced.Most factories produce thiourea with hydrogen sulfide and calcium cyanamide and the total domestic output was 60 thousand tons in 2003. 摘要介绍了我国硫脲的生产现状,工业上大多数厂家采用硫化氢和石灰氮法生产,2003年全国硫脲产量为6万t;
- As he went out, a smell of hydrogen sulfide, like rotten eggs, wafted in. 他一出去,一股硫酸味道象臭鸡蛋似的吹了进来。
- The more sulfur a person consumes, the more hydrogen sulfide is produced. 硫化物摄取得越多,硫化氢的产量也会越多。
- The cells immediately began emitting hydrogen sulfide, the scientists found. 结果发现红细胞立刻开始分泌硫化氢。
- This provided evidence that mammals make hydrogen sulfide in tissues using CSE. 这就为硫化氢在含CSE的组织中产生提供了证据。
- The inorganic phases of the powders were mainly composed of HAP and definite Calcium Hydrogen Phosphate( DCPA )which changed with the final pH of co-precipitating process . 粉体无机晶相主要由HAP和一定磷酸氢钙 (DCPA)构成;DCPA相对含量随 pH的不同发生变化.
- Patented fibre complex of organic plant source. Excipients: microcrystalline cellulose, calcium hydrogen phosphate dihydrate, silica, povidone and magnesium stearate. 已申请专利的植物来源纤维素。赋形剂:微晶纤维,磷酸钙化合物,硅,磷脂酸镁。
- Evidently, the sulfats normally in seawater are converted to hydrogen sulfide as the water passes through the warm crust. 显而易见,平常含于海水的硫酸盐在海水通过暖地壳时转变成了硫化氢。
- Changes of gasotransmitters nitric oxide and hydrogen sulfide in healthy children in areas of different altitudes. 不同海拔地区健康儿童气体信号因子一氧化氮及硫化氢的变化。
- After purification,the total content of hydrogen sulfide with hydrogen phosphide are less 10ppM in the acetylene gas. 净化后的乙炔气中硫化氢、磷化氢含量总和小于10ppm,净化效果好,安全可靠,成本低,效益好,值得乙炔站推广。
- Water, containing dissolved calcium hydrogen carbonate, passes through the limestone and drops evaporate on the stalactite, increasing its length with a deposit of calcium carbonate. 含有溶解碳酸氢钙的水通过石灰石滴在钟乳石上蒸发,随着碳酸钙沉积物的增加不断增加着它的长度。
- Its spring water contains hydrogen sulfide, have a high medical value, arthritis and skinSignificant effect. 因其泉水中含有硫化氢,具有较高的医疗价值,对关节炎和皮肤病疗效显著。
- Feed-grade calcium hydrogen phosphate was prepared by defluorination and neutralization method with wastewater in phosphate fertilizer plant,diatomite,sodium chloride and lime milk as raw materials. 以磷肥厂废水、硅藻土、氯化钠和石灰乳为原料,采用脱氟与中和法制备饲料级磷酸氢钙,并通过正交试验优化了工艺条件。
- Its spring water contains hydrogen sulfide, high medical value for arthritis and skin effect significantly. 因其泉水中含有硫化氢,具有较高的医疗价值,对关节炎和皮肤病疗效显著。
- The parallel tests showed that the distilled monoglyceride was best for emulsifier, and sodium alginate, calcium hydrogen phosphate and citric acid monohydrate were good stabilizers. 通过对比试验选取分子蒸馏单甘酯作乳化剂,海藻酸钠和磷酸氢钙、柠檬酸作为稳定剂;