转

Provides smooth low-torque operation by virtue of a gear reducer, which converts multiturn manual operation of a round handle into quarter-turn valve operation.

利用齿轮减压器的优点实现低扭矩的顺利操作，将1/4转阀门操作转变为一个圆形手柄的多转手动操作。

All internal fixators were removed and re-fixed with half ring sculcus external fixator. For 32 cases with soft tissue defect, 10 were repaired with gastrocnemius musculocutaneous flap, 6 with medial head of gastrocnemius and 16 with fascial flap.

所有病例均取出失效内固定后采用半环槽式外固定治疗。32 例软组织缺损和骨外露，10例经腓肠肌皮瓣转位覆盖，6例用腓肠肌内侧头转位加植皮消除创面，16例采用筋膜皮瓣修复。

OBJECTIVE: To observe effects of transfection with myogenic determination gene on biological characteristics of rat dermal fibroblasts.

目的：观察肌肉转录调节因子（myogenic determination，MyoD）基因转染对大鼠真皮成纤维细胞生物学特性的影响。

Part 4: Brain-derived neurotropic factor genetically modified olfactory ensheathing cells of the neonatal rat Objective To culture the olfactory ensheathing cells from the neonatal rat and modify them genetically by human Brain-derived neurotropic factor to increase the formation of neurophic factors. Methods The OECs were dissociated from the neonatal rat olfactory bulbs and purified with time-speed difference stick.

第四部分：脑源性神经营养因子基因转染新生大鼠嗅鞘细胞目的为提高嗅鞘细胞(Olfactory ensheathing cells，OECs)分泌脑源性神经营养因子(BDNF，Brain-derived neurotropic factor)的能力，探讨将外源性BDNF基因转染入OECs，为今后采用BDNF基因修饰的OECs移植治疗SCI奠定基础。

Then we transformed mTn-lacZ/LEU2 transposon library into the YES2MTM1 strain. Transformants lost the plasmid overexpressing MTM1 after 5-Fluoroorotic acid treatment. We picked up the yeast strains able to grow on nonfermentable carbon source with MTM1 deletion and some transposon insertion and identified the insertion sites.

因MTM1基因的缺失造成的损伤不可逆，直接转入文库无法筛选得到MTM1 基因缺失表型相关基因，本研究利用外源MTM1基因菌株和mTn-lacZ/LEU2酿酒酵母转座子文库进行筛选，寻找能挽救mtm1突变体生长缺陷的转座子插入位点。

E.coli RNA polymerase can transcribe all the genes of E.coli, but the three eukaryotic RNA polymerases transcribe only specific, nonoverlapping subsets of eukaryotic genes.

eukaryotic genes 大肠杆菌的RNA聚合酶能够转录所有的基因，但真核生物的三种RNA聚合酶各自只能转录特定的、不相重叠的一组基因。

However, with the development and the application of new techniques, the reliability of the methods used in the research of the transcription site of RNA polymerase I was doubted; and also, some indirect results indicated that the transcription of RNA polymerase Ⅲ might occur in the nucleoli.

但随着新的研究技术的发展和应用，人们对RNA聚合酶Ⅰ转录位点的早期的研究方法的可靠性提出质疑；同时，根据一系列间接的实验推论RIgA聚合酶Ⅲ的转录可能发生在核仁中。

The analysis of the identity, the codon usage frequency and the codon usage preference were made to sequences of Carassius auratus auratus serum transferrin cDNA cloned in our laboratory and 14 fish Tf cDNA from reference documentation by DNAman v4.0. The results show that the identity of Tf cDNA sequences among Cypriniformes fishes is more than 46% and the identity of Tf cDNA sequences among Oncorhynchus fishes is between 34%~99% with larger variation.

运用DNAman v4.0分析软件，对克隆的鲫鱼血清转铁蛋白cDNA序列与文献中的14种鱼转铁蛋白cDNA序列的同源性、密码子使用频率和密码子使用偏性进行分析，结果表明：鲤形目鱼类Tf的cDNA序列同源性在46％以上，而鲑形目鱼类Tf的cDNA序列同源性在34%~99％之间，变化较大。

The principle of TDTC and the field-weakening method are introduced. The space voltage vector PWM overmodulation method suiting is adopted. IDTC is extended to the whole speed range. This scheme is proved by experiments.

本文介绍了改进型直接转矩控制的基本原理，加入弱磁控制算法，同时采用一种适合工程应用的空间电压矢量PWM过调制算法，将改进型直接转矩控制扩展到全速度范围。

So it has given an obviously harmful influence on the daily life to the patients. Therefore, it is a difficulty point being studied to restore the patients who can down with the upper limbs paralyses caused by cerebral infarction as well as a focus being studied all the time .

本实验主要通过对头针快速提插捻转法与普通头针法治疗脑梗死上肢功能障碍疗效的对比研究，揭示头针快速提插捻转法在头体针综合疗法治疗脑梗死上肢功能障碍中的作用，并进一步探讨该针法临床疗效的作用机制。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。