| 1. | 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。 |
| 2. | 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。 |
| 3. | 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。 |
| 4. | 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。 |
| 5. | The degree and distribution of oligomerization varies upon the type and concentrations of different reaction mixtures utilized and upon the length of allowed reaction time
低聚化的程度和分布因所使用的不同的反应混合物的类型和浓度和时间的不同而有所变化。 |
| 6. | This system employed ch2cl2 as the initiator , the reaction mixture of 1mol equiv . of dichloride iron ( fecl2 . 4h2o ) and 2mol equiv . of triphenylphosphine ( pph3 ) as the catalyst
此体系以结构简单的二氯甲烷为引发剂，以物质的量比为1 2的四水合氯化亚铁与三苯基膦的反应产物作催化剂。 |
| 7. | After partial esterification of alkylpolyoxyethylene ether with citric acid , the reaction mixture was neutralized by sodium hydroxide to produce the salts of the partial esterification products
摘要将脂肪醇聚氧乙烯醚和柠檬酸进行部分酯化反应，生成脂肪醇聚氧乙烯柠檬酸酯，再中和成钠盐。 |
| 8. | The effective permittivity can be used to describe the molecular polarization of the mixture in the reaction and consequently be used to calculate the transmission and absorption of microwave in the reaction mixture
由于等效介电系数常常被用来描述在化学反应中微波的吸收和传输情况，因而，化学反应中反应物的等效介电系数就成为微波化学研究的关键问题之一。 |
| 9. | The ere oligonucleotides were chemically synthesized , annealed , and labeled at the 5 " - ends by polynucleotide kinase and r - 32p atp ( 3000 ci / mmol ) . for competed experiment the 400 fold molar excess of the cold ere oligonucleotides were added to reaction mixture
结论: 100一140m盯kg浓度的atra可以诱导大鼠骨骼畸形发育并产生ccf ; igfs家族基因中igf一2和igfbp一6表达的调控与大鼠骨骼发育以及成骨细胞的增殖密切相关。 |
