硫

The primary factors which influence oxidizing rate of sodium thiosulphate are discussed.

利用固体超强酸SO42-/T iO2及SO42-/W O3对硫代硫酸钠进行了光催化氧化的研究，并讨论了影响硫代硫酸钠氧化率的主要因素。

Barium carbonate,trontium carbonate,potassium carbonate,barium sulphate precipitated,barium nitrate,barium chloride,industrial sodium sulfide,sulphur,sodium thiosulphate, thiourea,melamine,ammonium bicarbonate (food grade,lasting effect,big granular grade).

提供产品：&五洲&牌，碳酸钡碳酸锶，碳酸钾，硫酸钡，硝酸钡，氯化钡，工业硫化钠，硫磺，硫代硫酸钠，硫脲，三聚氰胺，&青山&牌：碳酸氢铵（食品级，长效型，大颗粒）。

Barium carbonate,trontium carbonate,potassium carbonate,barium sulphate precipitated,barium nitrate,barium chloride,industrial sodium sulfide,sulphur,sodium thiosulphate, thiourea,melamine,ammonium bicarbonate (food grade,lasting effect,big granular grade).

&五洲&牌，碳酸钡碳酸锶，碳酸钾，硫酸钡，硝酸钡，氯化钡，工业硫化钠，硫磺，硫代硫酸钠，硫脲，三聚氰胺，&青山&牌：碳酸氢铵(食品级，长效型，大颗粒)。

Nickel sulfate was the most frequent sensitizer, followed by Thimerosal, Potassium dichromate, Fragrance mix and Formaldehyde. Frequencies of contact allergy to Thiuram mix, Mercapto mix, Imidazolidinyl urea, and bronopol were relatively low.

结果： 1 129 例受试者中，阳性反应747例，阳性反应率较高的变应原依次是：硫酸镍、硫柳汞、重铬酸钾、芳香混合物、甲醛，阳性反应率较低的变应原有：秋兰姆混合物、硫氢基混合物、咪唑烷基尿素、溴硝丙二醇。

The title compounds were synthesized by the reaction of symmetric N , N '-diarylthioureas with hexylamine in the presence of triethyl amine,and the intermediate N , N '-diarylthioureas were formed by the direct reaction of carbon disulfide and arylamines.

首先采用二硫化碳与胺直接反应得到对称的N， N'-二芳基硫脲，然后在三乙胺存在下与环己胺反应得到1-环己基-3-芳基硫脲。产物结构经核磁共振和质谱分析确证

The kinetics for the catalytic oxidation of mixed thiol s with different catalyst particle sizes was studied in the gas-liquid-solid triphase reaction system.

用室内实验的方法对气-液-固三相催化反应体系中不同粒径催化剂催化下混合硫醇的氧化反应动力学进行了研究，并依据球形催化剂假设，采用薄膜理论对反应体系中硫醇浓度分布进行了分析，计算出不同粒径催化剂的有效因子。

Dithioester and trithiocarbonate RAFT reagents were synthesizedby different methods, and were used for the polymerization of styrene ormethacrylates, by thermal, thermo-initiator and photo-initiation.

针对这一问题，本文尝试用三种方法合成了结构不同的RAFT试剂，考察了热引发、引发剂引发以及紫外光引发条件下，二硫酯／三硫酯调控的常见单体苯乙烯以及丙烯酸酯的RAFT聚合。

In comparison with F-A and F-B, low molecular weight fucoidan fractions had little lower proportions of sulfate, but similar proportions of uronic acid.

结果表明，大分子和低硫低分子量的组分对02·一、·OH和HOCI有很好的清除作用，而高硫低分子量的组分的活性非常低。

The result showed that the contents of sulfur, nickel and vanadium in the resid had different effects on cracked naphtha quality, in which sulfur content was the main factor affecting its stability and corrosion behavior.

结果表明，催化裂化原料中的硫、镍、钒含量及残炭对催化裂化的反应产物有不同的影响，其中硫含量是影响催化裂化精制汽油腐蚀性、安定性的主要因素。

About 90% Of the total sulfur in sour crude will enter into various secondary processing units.

含硫原油中约90％的硫都将进入二次加工的各工艺装置中。

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。