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- It may be distilled from the reaction mixture using the heat of the reaction. 利用反应热,它可自反应混合物中馏出。
- The catalysts could be easily filtrated from the reaction mixture and reused. 有机锡化合物作为催化剂用量少,并能回收再利用。
- An ordinary fluorescent lamp positioned close to the reaction mixture suffices as a source of UV light. 将普通的荧光灯置于反应混合液近旁,即足以作为紫外光光源。
- As the product is formed from the reactants, it is vaporized and removed from the reaction mixture. 产物由反应物形成的同时,就被汽化并从反应混合物中去除。
- S-(+)-2,2-dimethylcyclopropane carboxamide was isolated and purified from reaction mixture with total yield of 43.6%. 产物经分离、纯化,制备得到S-(+)-2;2-二甲基环丙烷甲酰胺样品,总收率达到43.;6%25。
- The ligand density could be controlled by the amount of PGE added to the reaction mixture. 在此条件下,控制苯基缩水甘油醚的用量,制备了不同苯基密度的苯基琼脂糖疏水层析介质;
- The ligand density could be controlled by the amount of BGE added to the reaction mixture. 在此条件下,控制丁基缩水甘油醚的用量,制备了不同丁基密度的丁基琼脂糖疏水层析介质;
- The reaction mixture is then heated to reflux for 2 hours while stirring. After being cooled to about 20 c, it is poured into 5 litres of ice water. 将反应混合物在搅拌下加热回流2小时。待冷却到20℃后,将其倒入5升冰水里
- While a numbher of stirred-tank designs involving either internal or external recirculation of the reaction mixture have evolved in recent years. 同时,最近几年开发了一系列使反应混合物进行内循环或外循环的搅拌槽式装置。
- We optimized the concentration of Mg2+ ,dNTP and primers in PCR reaction mixture by amplifying the RNAtranscribed in vitro above. 对 RT-PCR 反应体系中的 Mg2+,dNTP 和引物浓度进行优化。
- Inefficient agitation leads to temperature gradients within the reaction mixture due to field inhomogeneities in the microwave cavity. 在微波炉中,由于电场的不均匀性,无效搅拌会导致在反应混合物中形成温度梯度。
- A quantitative analytical method for 3,5 di t butyltoluene in disproportionation reaction mixture by IR spectrum is reported in detail. 用正庚烷做溶剂,红外光谱法定量测定3,5-二叔丁基甲苯,其方法选择性好、简单、快速。
- The synthesis conditions of single crystal MTN including compositions of reaction mixture,crystallization temperature,time,etc. 采用蒸气相合成法,以正丙胺作为笼形类沸石材料MTN合成的新模板剂,合成出MTN单晶。
- A quantitative analytical method for 3,5 di ?t? butyltoluene in reaction mixture by gas chromatography with methyl benzoate as internal standard is reported. 用气相色谱法定量测定了反应混合物中的3,5-二叔丁基甲苯。
- In the current process, where dianion 5 is prepared at room temperature, the reaction mixture becomes a thick slurry due to the low solubility of the sodium lithium salt in THF. 在这次过程中;凡5酸根准备在室温试剂成了厚浆由于溶解度低的锂盐钠在THF.
- In preparation of 1 chloropinacolone(1 chloro 3,3 dimethy1 2 butanone) by chlorination of pinacolone in methanol, the reaction mixture may vigorously bump sometimes. 在甲醇中氯化片呐酮以制备1-氯代片呐酮(1-氯代-3,3-二甲基-2-丁酮),有时会发生类似暴沸的冲料现象。
- In vitro,STR enzymatic assay was measured indirectly by fluorimetrically detecting depletion of tryptamine feeding on secologanin in the reaction mixture. STR体外酶活性分析采用间接荧光法检测色胺在反应体系的消耗.
- The amplified gene was cloned into the pENTR11 vector. With the pENTR11-SLC plasmid and the backbone plasmid pAd/CMV/V5-DEST, the homologous recombination reaction took place in vitro. The reaction mixture was transferred into TOP10 E. 方法采用PCR技术从含有SLC基因的质粒上扩增出SLC基因,将PCR产物酶切后连接至pENTR11载体上,再通过pENTR11与腺病毒骨架载体pAd/CMV/V5-DEST之间的同源重组作用将SLC基因片段重组至pAd/CMV/V5-DEST上,最后经293细胞的包装扩增后得到携带SLC基因的重组腺病毒。
- In the Al(i PrO)3 H3PO4 en EG system, two one dimensional (1D) aluminophosphate chains AlPO ESC and AlPO CSC can transform to each other upon addition of some extra amount of en or H3PO4 to the reaction mixture. 研究了Al(i-PrO)3-H3PO4-en-EG体系中,两种具有AlP2O83-计量比的一维链AlPO-CSC和AlPO-ESC之间的结构转变,并对转变过程进行了粉末X射线衍射和组成分析。
- Through the reaction of acenaphthene and nitrobenzene, pure biacenaphthenyls and 5-(N-phenyl) aminoacenaphthene were prepared by recrystallizing the reaction mixture obtained under the molar ratio of AlCl-3 to acenaphthene of 1.2 and 2.4, respectively. 由苊与PhNO2的反应,在控制AlCl3与苊的摩尔比为1·2和2·4左右时,重结晶反应产物可得到联苊和5-(N-苯基)氨基苊。