基本解释：硫(化物)
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Determination of sulfur compounds in fluid catalytic cracking gasoline by gas chromatography-pulsed flame photometric detector;气相色谱—脉冲火焰光度法测定催化裂化汽油中的硫(化物)
To determine the quantity of sulfur compounds through Flow injection analysis,many optimal experimental conditions were investigated,Which included the concentration of coloration liquid R1 and R2,the length of reaction coil,loop volume and so on.采用反向流动注射法测定海水中的硫(化物),对实验条件进行优化,改变显色液R1的浓度、显色液R2的浓度、进样环体积、反应圈长度等条件,可以更好地提高灵敏度和准确度。
The sulfur compounds in VGO of SCO are mainly C3～7-dibenzothiophene,while those in FCC liquid products are short chain dibenzothiophene and a few alkylated benzothiophene and alkylated thiophene,and the percentages of these three sulfur compounds are 82.结果表明,所含硫(化物)主要是C3~7-二苯并噻吩,而催化裂化反应后则以短侧链二苯并噻吩为主,还含少量烷基苯并噻吩和烷基噻吩,三者的质量分数分别为82。
Study on transformation of sulfides in the process of deep hydrodesulfurization of diesel;柴油深度加氢脱硫过程中硫(化物)转化规律的研究
Study on pretreatment methods of sulfides and monitoring quality control;硫(化物)预处理方法研究及测定中的质量保证
Effect of sulfides on cadmium bioavailability in anoxic sediment;缺氧沉积物中硫(化物)对镉的生物可利用性的影响
Effect of LF(VD) Refining Process on Control of Sulphur and Sulphide in Gear Steel 28MnCr5;LF(VD)精炼工艺对控制28MnCr5齿轮钢中硫和硫(化物)的影响
Long-term deterioration of cemented paste backfill due to sulphide oxidation;硫(化物)氧化对充填体长期强度的影响
Effect of Ca-Treatment on Sulphide Inclusions in 0.048%～0.065%S Medium-Carbon Structure Steel;钙处理对含0.048%~0.065%S中碳结构钢中硫(化物)的影响
Application of ORP control in process of sulfide biooxidation to sulfur;ORP控制在硫(化物)生物氧化成单质硫过程中的应用
Progress of Sulfide Biological Oxidation and Application;硫(化物)生物氧化的研究进展及应用
Determination of Trace Sulfide Using Glass-carbon Electrode by Adsorptive Stripping Voltammetric Method;玻碳电极吸附伏安法测定痕量硫(化物)的研究
5 μg/g hydrogen sulfide, however, when the different structural mercaptan and disulfide existed alone and their content was less than 40 μg/g at low temperature no silver strip corrosion occurred.5 μg/g时就能产生严重的银片腐蚀 ,而不同结构的硫醇和二硫(化物)单独存在且含量不超过 40 μg/g ,在低温下不会产生银片腐蚀 ,但它们分别与硫化氢共存时 ,含量为 2 0 μg/g硫醇能加剧硫化氢对银片的腐蚀 ,而含量高达 40 μg/g二硫(化物)则对硫化氢腐蚀无影
Moreover, the different structural mercaptans and disulfides could not cause sil.5 μg/g时就能产生严重的银片腐蚀 ,而不同结构的硫醇和二硫(化物)在低温下 (5 0℃ )不会产生银片腐蚀 ,但它们与元素硫共存时 ,硫醇能加剧元素硫对银片的腐蚀 ,二硫(化物)对元素硫腐蚀则无影响。
Enrichment and structure analysis of organic sulfur compounds in gasoline;汽油中有机硫(化物)的酸富集和结构分析
Removal of sulfur compounds in RFCC diesel oil by the oxidization-solvent extraction method and some studies on their oxidized products;RFCC柴油中硫(化物)的脱除及其转化形态分析
The method for separation and detemination of sulfur compounds in fluid gasoline by gas chromatography was established.采用气相色谱-硫化学发光检测器联用技术,建立了催化裂化汽油和焦化汽油中各种硫(化物)类型分布的分析方法,并考察了色谱条件对不同汽油中各种硫(化物)分离的影响,对汽油中80余种硫(化物)进行了定性。
Study on Gold (I) Extraction from Containing Gold Polysulfide Solution with the Mixed Solvent of N_(1923)-TBP;N_(1923)-TBP混合体系从多硫(化物)含金溶液中萃取金的研究
Study on gold (I) extraction from containing gold polysulfide solution with amine alkyl extractants;用胺类萃取剂从多硫(化物)含金贵液中萃取金的研究
Determination of the total concentration of polysulfide ions in the polysulfide solution of gold leaching;多硫(化物)浸金溶液中总多硫根离子浓度的测定
The major methods involved in this paper are cyanidation,thiocarbamide process,thiocyanate process,thiosulfate process,multi-sulfide process,haloid process,and other reagents procss;the advantages and disadvantages of the methods as well as the suitability of these methods for treating various silver bearing ores are generally analyzed.综述了国内外关于银浸出技术的各种方法,主要内容包括氰化法、硫脲法、硫氰酸盐法、硫代硫酸盐法、多硫(化物)法、卤化物法和其他试剂法等,简要分析了各种方法适用的含银矿石及其利弊。
The melt of sample by the pre oxidation and the addition of the glassing reagent has been developed in order that sulphide ores can be analysed by XRF The proposed method makes the analytical procedure of sulphide ores rapid and analytical results more accurate The method has met the demands of the routine analysi提出了以预氧化和加入玻璃化试剂的方法熔融处理试样 ,使硫(化物)矿可以用X射线荧光光谱仪测定 ,从而使硫化矿测定过程快速 ,结果更准确 ,满足了日常分析要求。
