|
The kinetics of polycondensation of aralkyl ethers such as p-di(methoxy) xylene and ,/-di(methoxymethyl) diphenyl ether with ten kinds of aro-matics has been studied in the presence of catalysts for Friedel-Crafts reaction.
|
|
|
本文研究了芳烷基醚与芳香族化合物在Friedel-Crafts反应型催化剂作用下缩聚反应动力学. |
|
The knowledge of CORBA relative to the Marshal/Demarshal(mainly focus on the GIOP and CDR) is introduced, and the optimization of marshal/ demarshal is pointed out following by analysis and comparison of Orbacus and TAO。
|
|
|
简单介绍了Marshal/demarshal涉及到的CORBA相关知识(主要是GIOP和公共数据表示),然后分析和比较了Or鄄bacus和TAO中marshal/demarshal的实现,指出了中间件中marshal/demarshal优化的要点。 |
|
The laccase activity of transformant GSb with lacB reached .×0~U/L after -day culture and the laccase activity of transformant GSc with lacC reached .×0~ U/L after 9-day cell growth.
|
|
|
lacB的转化子GSb在第 天酶活达到 .×0~U／L，lacC的转化子GSc发酵9天的酶活为.x0~U／L。 |
|
The lack of knowledge on this aspect will mislead users of accounting information.
|
|
|
这将使会计信息使用者不能了解企业资本存量的质量结构、导致会计信息使用者的决策失误。 |
|
The lacteal output each time was (.± .)ml,(0.7±.)ml and (9.0±.0)ml respectively in the groups.
|
|
|
乳汁排出量:实验组为(.± .)ml/次,实验组为(0.7±.)ml/次,对照组为(9.0±.0)ml/次。 |
|
The lamellar system and osmiophilic globuli had disappeared,butthere was abundon stored starch in the plastid.
|
|
|
质体已无片层结构和嗜锇小球,但常有大量的贮藏淀粉。 |
|
The large fragment which is lacking small fragments did n ot show t he excellent emulsifying properties, suggesting that small fragments of protein moiety play an important role in emulsifying properties.
|
|
|
不含小肽的肽不具备优异的乳化特性 ,蛋白质中一部分小肽在乳化特性中起着重要角色。 |
|
The large-tubercles,papicles of phellem cell and papicles of stomate on leaves-back in 9 species of Oryza L.were studied with scanning-electricmicroscope.
|
|
|
用扫描电镜对稻属植物9个种叶背的大瘤状乳突、本栓细胞乳突和气孔器乳突的亚显微结构作了比较观察研究。 |
|
The larger trails can be seen with the naked eye, but even the smaller meteors down to th magnitude,which are more common,The left trails that provide radar targets.
|
|
|
大的流星尾巴可被肉眼看见,但最经常出现的是那些亮度相当于等星以上的小尾:这些小尾成了雷达探测的目标。 |
|
The largest group in this throng is the women from Henan province.
|
|
|
来自河南的女性采棉民工是其中最大的群体。 |
|
The largest size of the thin flaps and the pedicle width were cm×0cm, ～cm respectively and the pedical was cut in 7～0th postoperative day.
|
|
|
皮瓣最大面积cm×0cm，蒂宽 ～cm。 断蒂时间7～0天。 |
