还原硫
- 网络Reducing sulfur;TRS
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配合物3?对于硫氢配合物,其稳定性主要受pH及还原硫浓度的影响。
The stacking naphthylene groups in complexes 3 ? For sulfide complexes , the concentrations of reduced sulfur and pH are two important factors , affecting their stabilities .
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上部碳酸盐岩型矿床的成矿元素组合为PbZnCdAsAgBa,硫同位素分布具塔式结构,显示具海水还原硫和深源硫的混合来源,有强烈的海底热液活动。
The metallogenic element assembles in carbonate type deposit are Pb-Zn-Cd-As-Ag-Ba , and the feature of sulfur isotopic distribution shows that the metallogenic material was derived from deoxidation of seawater and seafloor hydrothermal .
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金主要以Au(HS)2~-形式迁移,而还原硫浓度、pH值和温度的降低是引起金沉淀的主要原因。
Gold mainly migrates by Au ( HS ) ~ - _2 , the droping of reducing sulfur concentration , pH value and temperature are the main reasons causing the gold to precipitate .
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硫铁化合物氧化历程中还原硫物质的表征和研究含碱基二铁二硫配合物的合成和电化学性质
Study and characterization of reduced sulfur in oxidation process of ferro sulfide compounds
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孢粉种属突变以及还原硫含量变化对水体深度比较敏感,是划分深水环境层序边界以及体系域的良好指标。
The abrupt changes in spore-pollen species and in the content of reduction sulfur are sensitive to water depth , and can be used as indicators for sequence boundaries and system tracts .
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总体而言,从低位体系域、湖侵体系域、高位体系域到湖退体系域,还原硫从低值、高值到低值呈规律性变化,在密集段达到最高值;
From the lacustrine lowstand system tracts , lacustrine transgression system tracts to lacustrine contraction system tracts , the content of reduction sulfur changed from low , high , to low , and reached a peak in the condensed section ;
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本研究以桂林城市污泥作为培养介质,利用以还原硫作为生长基质进行生命活动的氧化硫硫杆菌来沥滤去除污泥中重金属。
In order to remove heavy metals in sludge through microbial leaching of sulfur bacilli , the municipal sludge , taken from Guilin Sewage Treatment Plant , was used as cultivating medium and reductive sulfur as growing substrate for bacteria metabolism .
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本区铅锌矿床属热水沉积&改造成因,成矿金属物质主要来源于盆下基底岩石和地层深部,硫来源于海水硫酸盐还原硫,成矿流体主要为下渗海水。
The genesis of these lead-zinc deposits are hydrothermal sedimentation-reformation type , the ore-forming metals come from the basement under the basin , the sulfur come from the sulfate in seawater , and the mineralization fluid was the seawater which come into the basement under the basin .
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海岸带盐沼还原性硫气体和甲烷自然释放研究
Review of reduced sulfur and methane emission from coastal salt marsh
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二氯化锡还原-硫氰酸盐快速光度法测定钢中钨
Rapid spectrophotometric determination of tungsten in steel with tin dichloride reduction thiocyanate
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硫氧化菌把还原性硫化合物氧化为硫酸盐,缓解土壤中硫化物的积累,它们共同维持硫循环的动态平衡。
Both of them can keep the dynamics of sulfur cycle in balance .
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铅锌硫化矿物从铅-锌-还原型硫热液系统中晶出时的硫同位素分馏规律
Sulfur isotopic fractionation between coexisting sphalerite and galena deposited from pb-zn-reduced sulfur hydrothermal fluid
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氯化亚锡还原-硫氰酸铵快速光度法测定合金钢中的钨
Rapid spectrophotometric determination of tungsten in alloy steel with stannous chloride reduction - ammonium thiocyanate
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目前还原二硫醚的方法很多,但都存在一定不足。
At present , there are many methods restored disulfide , but there are a lot of shortages .
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这类细菌可以将硫酸根还原为硫离子从而进行大量地繁殖导致地面设施及地下管线的腐蚀破坏以及硫化物污染,给油田造成了巨大的经济损失。
With the ability of reducing sulfate to sulfide that leads to mass propagation of cells , SRB seriously caused the corrosion of ground facilities and underground pipelines and create sulfide pollution , causing considerable economic loss to oilfield .
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目前催化还原二硫醚的方法很多,但一般的催化剂对水和空气不稳定、而且需要等量的金属配合物、产率低。
At present there are many ways to restore the disulfide , but the most of the catalysts are unstable in the water and air . Meanwhile they need the same amount of metal complex and give the product in low yield .
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根据硫化物容量法和熔渣离子理论,分别对含较高Al23的低碱度还原渣的硫分配比进行了计算。
Based on the sulphide capacity method and slag ion theory , sulfur distribution ratio of the lower basicity reducing slag with higher Al_2O_3 is calculated respectively .
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在氧化重折叠反应液中加入还原剂二硫苏糖醇(DTT)后,不但没有分子间二硫键形成,也没有异肽键形成。
No dimmers / oligomers were detected when the refolding and unfolding solution contained the reducing agent dithiothreitol ( DTT ) .
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SO2还原为元素硫的条件研究
Studies of Experiment Conditions on Reduction of SO_2 to Elemental Sulfur
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二氧化硫催化还原为单质硫的研究进展
Advances in catalytic reduction of dioxide sulfur to element sulfur
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[结果]洱海沉积物硫酸盐还原菌和硫氧化细菌数量的空间分布规律相一致;
[ Results ] The spatial distribution of sulfate-reducing bacteria coincided with sulfate-oxidizing bacteria .
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研究了竖炉直接还原过程中硫的反应行为和分配规律。
Reaction behavior and distribution of sulphur during direct reduction in shaft furnace are studied in this article .
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将二氧化硫直接还原为元素硫的研究进展冶炼烟气中二氧化硫的催化还原
The investigation of direct catalytic reduction of dioxide sulfur to element sulfur Catalytic reduction of metallurgical sulphur dioxide
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该菌株不能利用蛋白胨、葡萄糖、乳糖和半乳糖等有机物以及硫磺、硫代硫酸钠等还原态的硫进行生长。
The strain can not grow on following organic substrates : peptone , glucose , lactose and galactose . Strain L1 is also not capable of using elemental sulfur , sodium thiosulfate as energy sources .
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综述了土壤中发生的硫的氧化还原过程及硫的氧化还原过程产生的环境生态影响,最后展望了硫的氧化还原及其相关过程的研究前景。
In this paper we review the oxidation-reduction process of sulfur in the soil and the environmental-ecological impact produced by the Oxidation-reduction process of sulfur . Finally , we forecast the progressive trend of oxidation-reduction of sulfur and its correlative process .
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用Ni2B还原法研究富硫原油沥青质中的含硫结构单元
Revealment of sulfide linkages in asphaltene of sulphur-rich oil using nickel boride reduction method
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采用直接催化还原SO2为单质硫的工艺过程不仅可以消除SO2污染,而且可以回收单质硫。
Direct catalytic reduction of SO2 to elemental sulfur can not only remove SO2 pollution but also obtain elemental sulfur .
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复合ZnO高温煤气脱硫剂的物相、还原及硫化行为硫铁化合物氧化历程中还原硫物质的表征和研究
The phase , reduction & sulfidation performance of the mixed ZnO hot coal gas desulfurization sorbents study and characterization of reduced sulfur in oxidation process of ferro sulfide compounds
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考察了反应温度对-γAl2O3、CeO2-La2O3和CeO2-La2O3/-γAl2O3催化CO还原SO2到单质硫活性的影响。
The influences of reaction temperature on activity of γ - Al_2O_3 , CeO_2-La_2O_3 and CeO_2-La_2O_3 / γ - Al_2O_3 were investigated for the reduction of SO_2 to elemental sulfur by CO.
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DTT还原膜蛋白二硫键后再用NEM,DTNB修饰巯基,胰岛素结合活性进一步下降。
Modification of protein thiol with NEM or DTNB after reduction with DTT leads to further decrease of specific binding .