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1.The Effects of Reaction Medium on BDC Initiating Acrylamide Polymerization
反应介质对N,N-二乙基二硫代氨基甲酸苄酯引发丙烯酰胺聚合反应影响收藏指正
2.Co-Fe-LMH, pH of the reaction medium is 8, temperature in
在实验范围内,Ni~(2+)和Zn~(2+)对Ni-Zn-Fe-LMH产品晶态收藏指正
3.The effects of reaction medium,reaction temperature and reaction time on the yield of the product CMESA were studied. The chemical structure of the product was identified by elemental analysis,functional group analysis and IR spectrum. The optimal conditions for the synthesis are,reaction time,16 h,reaction temperature,85 ℃,molar ratio of GTMAC to stearic acid,1∶1,reaction medium,isoproanol,product yield,86.8 %.
研究了反应介质、反应温度和反应时间对生成物CMESA收率的影响,通过元素分析、官能团分析和红外光谱确证其化学结构,较佳反应条件为:n(GTMAC)∶n(硬脂酸)=1∶1,异丙醇为溶剂,85℃,反应16h,CMESA收率86 8%。收藏指正
4.THE RELATIONSHIP BETWEEN SENSITIVITY, PRESERVATION OF TISSUE UITRASTRUCTURE AND THE pH OF ACETATE BUFFER IN HRP-TMB REACTION MEDIUM
HRP—TMB反应中醋酸缓冲液的pH值与反应敏感性、组织超微结构保存的关系收藏指正
5.1,4-Benzenedicarboxylamide (BDA) was synthesized from dimethyl terephthalate (DMT) amidation using water as reaction medium. DMT amidation reaction could be effectively carried out in water at elevated temperature and pressure.
研究了对苯二甲酸二甲酯(DMT)与NH3反应合成对苯二甲酰胺,考察了水、甲醇、乙二醇等反应介质对该过程的影响,提出一条在水介质中,加温、加压条件下将对苯二甲酸二甲酯酰胺化合成对苯二甲酰胺的新工艺。收藏指正
6.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。收藏指正
7.But when aqueous solution of the sodium hydroxide was used as reaction medium, mole ratio of β CD to p toluenesulfonyl chloride was 1∶6,the reaction proceeded at 22℃ for 3h reaction, and anhydrous ethylalcohol was used to reflux and desalt the crude product, the yield (β CD 2 OTs) was 70%.
用氢氧化钠的水溶液作为反应介质,β?环糊精与对甲苯磺酰氯的物质的量比为1∶6,在22 ℃下反应3 h,粗产物用无水乙醇回流脱盐,合成产物是β?CD?2?OTs,产率为70% 。收藏指正
8.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。收藏指正
9.Using non-proton organic solvent as reaction medium, then reactions in definite conditions after reactants being separated、dryed、weighed and compared productivity, test the new compound by DSC.
将槲皮素和大豆卵磷脂共溶于不同非质子性溶剂中,在一定条件下进行反应,然后将反应物分离、干燥、称重,比较收率,并用DSC进行分析。收藏指正
10.Objective: To explore first-aid nursing care and prevention of adverse reaction resulting from contrast medium of iodine for enhancement CT scanning.
目的:探讨CT增强扫描碘造影剂不良反应的急救护理与预防措施。收藏指正
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