The application of DCS in the production of silicon tetrachloride;
分布式控制系统在四氯化硅生产中的应用
Advance on industrial application research of silicon tetrachloride;
四氯化硅工业应用研究进展
Synthesis of 1,3 bis(3,5 dibromophenyl)but 2 en l one catalyzed by tetrachlorosilane;
四氯化硅催化合成1,3-二(3,5-二溴苯基)丁烯-2酮-1
Self condensation of m bromoacetophenone,catalyzed by tetrachlorosilane in mole ratio n (m bromoacetophenone)∶ n (tetrachlorosilane)=1∶1 afforded 1,3 bis (3′ bromophenyl)but 2 en 1 one(A) in 52% yield.
2制得间溴苯乙酮 ,产率为 6 5 % ;间溴苯乙酮与催化剂四氯化硅按n(间溴苯乙酮 )∶n(四氯化硅 ) =1∶1在无水乙醇中经缩合反应制得 1,3 二 (3′ 溴苯基 )丁烯 2 酮 1(A) ,产率为5 2 % ,以此为中间体与对氯苯乙酮在四氯化硅催化下按n(A)∶n (对氯苯乙酮 )∶n (四氯化硅 )=1。
The condensation of p-methoxyacetophenone(Ⅰ)catal yzed by tetrachlorosilane(TCS) with mole ratio n(Ⅰ)∶n(TCS )=4.
以对甲氧基苯乙酮 (Ⅰ )为原料 ,四氯化硅 (TCS)为催化剂 ,按n(Ⅰ )∶n(TCS) =4 3∶10的量比 ,在绝对乙醇中经缩合反应制得 1,3 ,5 三 ( 4 甲氧基苯基 )苯 (Ⅱ ) ,产率为 72 % ,以此为中间体与三溴化硼按n(Ⅱ )∶n(BBr3) =1∶4的量比在无水二氯甲烷中经脱甲基反应合成了 1,3,5 三 ( 4 羟基苯基 )苯 (Ⅲ ) ,产率为 81%。
Study on the preparation of polysilicate ferric chloride by hematite;
用赤铁矿制备聚硅氯化铁的研究
In order to match the requirements of water treatment engineering, considerable attention was paid to develop composite inorganic polymer flocculants during recent years, which are represented by polyaluminum silicate chloride(PAS), polysilicate ferrite(PSF) and polysilicate ferric aluminum(PAF).
受水处理工程需要的牵引,以聚硅氯化铝、聚硅酸铁及聚硅酸铁铝为代表的三大类新型复合无机高分子絮凝剂的开发研制及应用研究近年来受到格外的关注,取得了不少新成果。
High-concentration(about 2mol·l~(-1))flocculants-polyaluminum silicate chloride(PASiC)with different Si/Al mole ratios and polyaluminum chloride(PAC)were prepared using NaAlO_(2)as basification agent.
以铝酸钠为碱化剂合成了具有不同S i/A l摩尔比的聚硅氯化铝(2。
A series of coagulants polyaluminum silicate chloride (PASC), each with different basicity (B) and molar ratio Al/Si, was prepared by copolymerization technique and composite technique respectively.
采用共聚与复合两种工艺，制备出了具有不同碱化度（Ｂ）和Ａｌ／Ｓｉ摩尔比的聚硅氯化铝（ＰＡＳＣ）混凝剂。
Study on Silicon Dioxide Powders Prepared by Silicon Tetrachloride
四氯化硅为原料制备二氧化硅粉体的研究
The present situation and development trend of conversion technology of silicon tetrachloride
四氯化硅转化技术的现状与发展趋势
The low energy consumption technology of SiCl_4 from subsidiary of polysilicon
多晶硅副产物四氯化硅的低耗能回收技术研究
Tetraallylsilane was obtained by the action of the tetrachlorosilane on the allyl Grignard regent.
将四氯化硅与烯丙基格氏试剂作用来制备四烯丙基硅。
The application of DCS in the production of silicon tetrachloride
分布式控制系统在四氯化硅生产中的应用
Study on Catalytic Synthesis of γ-Chloropropyldimethylchlorosilane
γ-氯丙基二甲基氯硅烷的催化合成
Magnesium Chloride Hexammouiate Produced by the Magnesium Silicide Method
硅化镁法生产硅烷的副产物六氨氯化镁
THE REACTION OF 1,3-BIS (CHLOROSILYL)- PROPANES WITH HYDROGEN SULPHIDE
1,3-双(氯硅基)丙烷与硫化氢的反应
Study on Organosilicone Modifying CPP Adhesive
有机硅改性氯化聚丙烯胶粘剂的研究
Preparation of barium chloride with polysilicon by-product
利用多晶硅副产物制备氯化钡的研究
Preparation and properties research of polysilicate polyaluminium chloride
聚硅酸聚合氯化铝的制备及性能研究
Effect of the sodium chloride on the gelation of the cationic silica sols
氯化钠对阳离子杂化硅溶胶凝胶化的影响
Silica Nanofibers Enwrapped with Well-organized AgCl Nanoparticles
包裹定向排列纳米氯化银的二氧化硅纳米纤维
Methods for chemical analysis of ferrosilicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content
GB/T4333.1-1984硅铁化学分析方法高氯酸脱水重量法测定硅量
Methods for chemical analysis of calcium-silicon--The perchloric acid dehydration-gravimetric method for the determination of silicon content
GB/T4700.1-1984硅钙合金化学分析方法高氯酸脱水重量法测定硅量
Research of Application of Organic Stability Adjuvant in Polyalumina-Silica Chlorid (PASC)
混凝剂聚硅氯化铝中有机稳定助剂应用研究
Study on the Direct Synthesis of Methylchlorosilanes and the Evaluation of the Catalysts;
直接法合成二甲基二氯硅烷及对催化剂的评价
Preparation of Inorganic Flocculant-Polymeric Aluminum Ferric Silicate-Chloride (PAFCSi) and Treatment of Papermaking Wastewater;
聚硅酸氯化铝铁絮凝剂的研制及造纸废水处理