硫

The results showed that the addition of oxides and carbonates of some alkaline-earth metals in sulfur fixation reagent will enhance the decomposition temperature of CaSO4 by more than 50℃, which confirmed the effect of these additives on prohibition of CaSO4 decomposition.

结果表明，氧化物系列和碱土金属碳酸盐系列复合固硫添加剂均比CaO单独使用时使CaSO4推迟50℃多分解，对固硫产物CaSO4晶体在高温下的分解有明显的抑制作用。

Theoretical analysis on three series of cements, i. e. Portland cement, high alumina cement and sulpho-aluminous cement, shows that alkalinity of the pore fluid of the balanced hydration product of sulpho-aluminous cement is the lowest, and its strength and alkalinity can be adjusted further by the adjustment of its components.

目前硅酸盐水泥、铝酸盐水泥、硫铝酸盐水泥等三大系列水泥的理论分析表明：硫铝酸盐水泥系列水化产物平衡时的液相碱度是最低的，且经过改性还可以进一步改善其强度和碱度等综合性能。

The instrument can be used for the determination of total sulfur, total chrorine, trace water, bromine number and bromine index, mercaptan and hydrogen sulfide, chloride ion, salt content and chemical oxygen demand.

仪器可广泛用于各种样品中总硫、总氯、微量水分、溴价和溴指数、硫醇和硫化氢、氯离子和盐含量以及化学需氧量等的测定。

With regard to desulfuration inside chain conveyer type furnace, a production line of sulfur capture briquette has been designed which has met the requ of desulfuration through test, production and practice to saves energy.

针对链式炉炉内脱硫，设计了固硫型煤生产线，通过测试、验、产和实际使用，使固硫型煤满足脱硫要求，同时，节能效果也较明显。

The equivalent point is calculated by thesecond derivative method,which insures a precise detection range of sulfur contentin dye bath from 0.1 to 0.00001 moles/liter.

其测定硫浓度范围在10~(-1)—10~(-5)mol/L 内。实验结果表明，此法操作简便，速度较快，重现性好，回收率达到95%以上，精密度小于5%，是目前测定染液硫含量的一个灵敏方法。

Wedgeplug O-Seal plug valves with their positive, no-leak features are not only recommended as the best general purpose valves for handling hydrocarbons, vegetable oils, solvents, etc., but are ideal for such tough service as butane, propane, butadiene, acetone, ethyl alcohol, ammonia, anhydrous ammonia, benzene, vinyl chloride, dry chlorine, Dowtherm, ethane, ethylene, hydrogen chloride, napthalene, oxygen, hydrogen, phthalic anhydride, dry phosgene, phosphoric acid, potassium carbonate, styrene, molten sulphur, sulphur dichloride and related services within a temperature range from -300oF to + 450oF within pressure limits of the valves.

楔塞O形密封旋塞阀具有积极的、无泄漏特性，不但是最好的通用的阀门，用于处理碳化氢，植物油，溶剂等，还特别适用于严酷的应用环境，如丁烷，丙烷，丁二烯，丙酮，乙醇，氨，无水氨，苯，氯乙烯，干氯，道氏热载体，乙烷，乙烯，氯化氢，萘，氧，氢，邻苯二甲酸酐，干碳酰氯，磷酸，碳酸钾，苯乙烯，融化硫，二氯化硫，以及温度在-184oC至232oC之间，压力在阀门额定压力等级范围内的有关应用。

Acaricides -ò, the production of raw materials All imports of Canadian sulfur, complete specifications, customers may request the production of content, quality, reliability, price guarantee the lowest in the industry, and another dedicated Auxiliaryò.

杀螨剂——石硫合剂，生产原料全部采用进口加拿大硫磺，规格齐全，含量可按客商要求生产，质量可靠，价格保证在同行业中最低，另有石硫合剂专用助剂。

METHODS: The bile was treated with 3 different methods, including the 2D-Clean-up kit group: the bile sample was dissolved with lysis buffer (contains: 7 mol/L carbamide, 2 mol/L thiourea, ammonium persulfate with mass concentration of 0.4 g/L, 65 mmol/L dithiothreitol, carrier ampholytes with mass concentration of 0.2 g/L).

将标本分别按3种不同方法进行处理：①2D-Clean-up试剂盒处理胆汁标本：用裂解液，7 mol/L尿素，2 mol/L硫脲，质量浓度为0.4 g/L的过硫酸铵，65 mmol/L二硫苏糖醇，质量浓度为0.2 g/L的载体两性电解质溶解沉淀过夜。

These applied sulfur sources may be the precursors of biogenic sulfur gases emitted from soils.

这些添加的硫源是土壤释放的含硫化合物的前体。

A kind of ternary compound 3CaO·3Al2O3·CaSO4, occurring in coal briquet combustion experiments, was presented in this paper.

本文介绍型煤燃烧过程中三元含硫化合物3CaO·3Al_2O_3·CaSO_4的生成，并对影响该三元化合物形成的因素，如时间、粒径及压强等进行了探讨，揭示了燃煤固硫的部分机理，有助于今后工业型煤的发展。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。