硫

For example, acetylene generated by the carbide process contains arsenical and sulphur compounds, and other impurities, which must be removed by scrubbingwith concentrated sulphuric acid before it is sufficiently pure for reaction with hydrochloric acid (此处有误,应为hydrochloride氯化氢) to produce dichloroethane.

例如，由碳化钙发生的乙炔气含有砷和硫的化合物以及其他的杂质，必须在乙炔有足够的纯度与氯化氢反应制造二氯乙烷之前，用浓硫酸洗去这些杂质。

Examples are provided by the following preparations: arsenious sulphide from arsenious acid and hydrogen sulphide: gold or silver sols by reduction of the corresponding salts of gold or silver, silver chloride from very dilute solutions of silver nitrate and sodium chloride.

例子由以下准备提供：亚砷硫化物从亚砷酸和氢化硫：金或银sols 由金子或银，银色氯化物对应的盐的减少从非常硝酸银和氯化钠的稀溶液。

The influence of the arsenic concentration and the sodium lignosulphonate concentration on the growth of the thiobacillus ferrooxidans strains, as well as the rates of bacterial oxidation of arsenopyrite and pyrite were studied.

本文着重研究了氧化亚铁硫杆菌对砷黄铁矿和黄铁矿单矿物的氧化规律及其性能之差异，考察其对砷的适应能力及表面活性剂的影响。

Article 42 The state prohibits the building of small-scale production projects of paper making, leather making, printing and dyeing, dyestuff, coking, sulfur refining, arsenic refining, mercury refining, oil refining, electroplating, pesticides, asbestos, cement, glass, steel, thermal power etc.

第四十二条国家禁止新建不符合国家产业政策的小型造纸、制革、印染、染料、炼焦、炼硫、炼砷、炼汞、炼油、电镀、农药、石棉、水泥、玻璃、钢铁、火电以及其他严重污染水环境的生产项目。

The effects of phoxim on the microbial community amount and the growth of ascendent bacteria, funguses and actinomyces in soil at 200-1 000 mg/kg three different concentrations were studied by indoor culture method.

采用室内培养法研究了土壤中200~1000mg/kg三种不同质量分数的辛硫磷对好氧性细菌、真菌和放线菌三大主要微生物种群数量及其优势菌生长速率的影响。

The neural complex of ascidian Styela clava was observed by two histological methods, and the methionine-enkephalin in the neural complex of Styela clava was analyzed by the immunohistochemical S-ABC (strept avidin-biotin complex) technique,respectively.

采用甲苯胺蓝染色和Golgi镀银法对柄海鞘神经复合体的结构进行显微观察，并通过免疫组织化学方法对甲硫氨酸脑啡肽在神经复合体中的分布进行了研究。

Based on mass data analyses, the changes of sulfur, paraffin, colloid and asphaltene contents of crude oil in profile are studied.

摘要根据大量分析资料，研究了石油中的硫、石蜡、胶质和沥青质在剖面上的变化规律。

Asphaltum: Natural mineral compounds consist of carbon, hydrogen, sulphur and nitrogen or the residue from distillation of petroleum, coal tar or rosin.

沥青：天然产生的沥青是含有碳、氢、硫和氮的矿产化合物。人造沥青是蒸溜石油，煤焦油或松脂后的余下渣滓。

For KISC, the technology shall firstly use high-phosphorus ironstone efficiently which can not completed by the current picking technology or blast furnace process, to greatly reduce ironstone cost that occupies the most proportion of iron and steel production cost, easy cost pressure caused by international and domestic shortage of production materials, induce transportation risk, to assuringly supply KISC with a great deal of cheap raw materials and create great economic profit; Secondly it shall promote KISC to update its products, especially high-added-value products of lowest phosphorus and lowest sulfur, to enhance its ability to adapt market and gain profit; Thirdly it shall improve technical and economic indexes of blast furnace and converter, and be helpful for efficient blast smelting and less-slag melting of converter process; Furthermore the technology shall greatly promote the stable operation of melting process and the control of the production of high-temperature and high-quality casting blank, to realize efficient continuous casting and continuous casting and rolling to improve KISCs production intensification; Finally the technology shall distribute melting functions and optimize production processes, to improve the auto-control of melting and continuous casting, to realize the integrated management of technology, equipment, production organization and management, logistic management, and production running of smelting, continuous casting and rolling.

对昆钢而言，该技术的应用，首先可以经济有效地实现现有采选技术及高炉冶炼所不能完成的高磷铁矿石的利用，大幅度降低在钢铁生产中占绝大比例的原料成本，缓解国际国内生产原料紧张而造成的成本压力，为昆钢创造巨大的经济效益；其次可以促进昆钢产品的升级换代特别是高附加值超低磷、超低硫钢种的开发，增强昆钢的市场适应能力和效益创造能力；再次可促进高炉及转炉技术经济指标的改善，降低生产成本，且利于转炉生产实现高效吹炼和少渣冶炼；此外，该工艺能显著提高冶炼环节的平稳顺行及高温、高质量铸坯生产的可控程度，可实现高效连铸和连铸连轧生产，提高昆钢生产的集约化程度；最后，该工艺能实现冶炼功能的分工和生产流程的优化，可提高昆钢炼钢与连铸生产的计算机自动控制程度，有效促进炼钢—连铸—轧钢的工艺、设备、生产组织和管理、物流管理、生产操作等环节的一体化管理的实现。

Objective To observe the effects of Astragalus injection of different doses on TAA-induced acute liver injury in rats.

目的 观察不同剂量黄芪注射液对硫代乙酰胺所致大鼠急性肝损伤的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。