time-graft

The graft polymerization processes could be controlled by monomer concentration, UV-irradiation time and photoinitiator concentration.

接枝聚合过程可以通过改变单体浓度、紫外辐照时间以及光引发剂浓度来进行调控。

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An appropriate time and intensity of ultraviolet irradiation could raise graft ratio of PP-g-MAH.

适当的紫外光照射时间和照射强度可提高PP-g-MAH的接枝率。

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Effeets of monomer concentration and reaction time on the graft copolymerization were studied.

考察了单体浓度、发剂浓度、合温度对接枝共聚反应的影响。

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The modified bone grafting yields a minor wound surface which has a shorter healing time without demanding skin grafting or flap graft compared with Papineau method.

改良开放植骨创面小、愈合时间短、不需要植皮或皮瓣移植，与Papineau方法相比优势显著。

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Objective: Assessment of graft patency following coronary artery bypass graft ( CABG) by transit time flow meter technique.

目的：应用即时血流测量技术术中评估冠状动脉桥的通畅性。

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Objective To provide a detailed anatomic data of temporal region and evaluate the clinical application of intermedial temporal space in re-time bone graft operation.

目的：获得颞区解剖学数据、探讨颞中间隙在颞区二期植骨术的临床应用价值。

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This paper reported for the first time that we applied phase transfer catalysts in the saponification reactions of starch graft polyacrylonitrile ( SPAN). As contrasted with conventional method, the saponification time can be shortened about 30%.

将相转移催化剂应用于淀粉丙烯腈接枝共聚物（SPAN）的皂化反应，与传统的皂化方法比较，皂化时间缩短了30%左右；

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The optimal condition: mass ratio of starch and acrylamide 1:2, initiator quality 0.3g, reation temperature 50 ℃ and reaction time 3h was obtained through orthogonal experiments with the target of efficiency of graft, soluble capability and molecular weight of the grafting chain.

通过正交实验，以接枝效率、溶解性能和接枝链上聚丙烯酰胺分子量为指标得出了最佳条件为：淀粉与丙烯酰胺质量比为1：2，引发剂质量为0.3g，反应温度为50℃，反应时间为3h。

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Effect of different mode of bone graft on the time of fracture healing.

不同植骨方式对骨折愈合时间的影响。

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Heart-thymus combined transplantation in thymectomized rats led to an evident survival time of ( 14.13 ± 5.82) d ( P < 0.01) for cardiac graft, which further obtained long term survival after short course of treatment with cyclosporine.

胸腺切除后行心胸腺联合移植可明显延长移植心的存活达（14.13±5.82）d（P

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