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- The encapsulated catalyst may recovered from the reaction medium and re-cycled. 包封的催化剂可以从反应介质中回收并重新循环使用。
- The proanthocyanidin content in the ultrafine powder of grape seed was determined in n-butanol-HCl reaction medium. 以正丁醇-盐酸为铁盐催化法的反应介质,测定了葡萄籽超微粉中的原花青素含量。
- In this paper,the applications of SCF to seperation,analysis,meterial preparation and as reaction medium are reviewed. 本文综述了其在分离、分析、材料制备和作为反应介质等方面的应用现状。
- In specific reaction medium, glyphosate-isopropylamine TC were synthesized using glyphosate and isopropylamine as starting material. 摘要在特定反应介质中,采用草甘膦酸和异丙胺为原料合成了草甘膦异丙胺盐原药。
- It also intro- duces the application of supercritical carbon dioxide as SFE liquid and chemical reaction medium in daily chemical industry. 介绍了超临界流体的特性、萃取原理及超临界二氧化碳作为 SFE 溶剂、作为化学反应介质在日用化工中的应用。
- In the bromization reaction of LA, the reaction conditions such as reaction temperature, drop time of Br2 and reaction medium were optimized. 优化溴化反应温度、液溴滴加速率、反应介质用量等溴化反应条件;
- The optimum pH values for the activating reaction medium for the three wood species were all within the acidic range, though there are some slight differences among them. 不同树种木纤维进行酶活化反应时介质最佳pH值均在酸性范围,但略有差别。
- The Al203:Ti crystals are synthesized when the Ti irons are added into the reaction medium and orange color sapphire crystals are obtained when the Mn irons were added. 在前驱物中掺入适量的Ti化合物时,合成出Al_2O_3:Ti宝石晶体; 前驱物中掺入适量的Mn化合物时,合成出橙色蓝宝石晶体。
- Four applications of supercritical CO_(2): extraction,cell lysis and preparation of microparticles,reaction medium,and abstersion,especially in tobacco industry are reviewed. 综述了超临界CO2的四个主要应用方向,即萃取、细胞破壁和微粒制造、反应溶剂以及SCCO2洗涤,着重总结了在烟草工业上的应用。
- Based on the reaction medium and the elements in the catalysts, the recent progresses of epoxi-dation of alkenes with hydrogen peroxide have been reviewed. 以反应介质和主催化元素为线索;对双氧水为氧源的烯烃环氧化反应的最新研究进展进行了综述.
- Clean catalysis using ionic liquids as reaction media and catalysts. 离子液体在清洁催化中的应用。
- Oxidative desulfurization was carried out by catalyst via ultrasound with H2O2 as an oxidant, acid mixture with V(H3PO4):V(H2SO4)1:1 as reaction medium. 以H2O2为氧化剂,以磷酸和硫酸混合作酸促进剂(V(H3PO4):V(H2SO4)为1:1),再加入催化剂在超声波下对柴油进行氧化。
- The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst. 采用正丁醇-氢氧化钠反应体系,以十六烷基三甲基溴化铵为相转移催化剂,制得脱乙酰度为92%25的壳聚糖。
- The esterification of organosilyl alcohol with pentanoic acid catalyzed by lipase in organic solvent was markedly influenced by water content of the reaction medium. 水含量对有机相中脂肪酶催化有机硅烷醇与戊酸的酯化反应有显著的影响。
- Monodisperse magnetic PS microspheres were prepared by means of improved emulsion polymerization,with alcohol/water mixture as reaction medium,SDBS as emolsifier and KPS as initiator. 用改进的乳液聚合法,以乙醇/水为反应介质,十二烷基苯磺酸钠为乳化剂,过硫酸钾为引发剂,制备出单分散性聚苯乙烯磁性微球。
- Monodisperse magnetic PS microspheres were prepared by means of improved emulsion polymerization, with alcohol/water mixture as reaction medium, SDBS as emolsifier and KPS as initiator. 摘要用改进的乳液聚合法,以乙醇/水为反应介质,十二烷基苯磺酸钠为乳化剂,过硫酸钾为引发剂,制备出单分散性聚苯乙烯磁性微球。
- Atomic fluorescence spectrometry(AFS)were used to determinate the amount of Hg in food. The effects of the concentration of NaOH,reaction medium and acidity,borohydride,some interferences and their avoidance were discussed. 采用原子荧光光谱法测定食品中的汞,从氢氧化钠浓度、反应介质及酸度、硼氢化物的使用、干扰与消除等方面进行了探讨。
- When the pH of the reaction medium is 7,the substitute reaction time is 8 h,the time of acid cleavage is 2 h and the amount of Zn is 0.77 mol/mol(3-chloropropionic acid),the yield of 3-mercaptopropionic acid is 78% and the minimum purity is 99%(GC). 当控制取代反应介质pH=7;酸解反应时间2 h;锌粉和3-氯丙酸摩尔比为0.;77时;3-巯基丙酸收率高达78%25;纯度大于99%25(GC)。
- The selectivity and activity of enzyme in the reaction media, especially in ionic liquids and supercritical liquids was reviewed in the paper. 文章以溶剂分类,探讨溶剂,特别是引入新的反应介质-离子液体和超临界流体对酶催化活性和选择性的影响。
- Could I ask for your reaction to this policy? 我能问一下您对这个政策的反应吗?