牵引作用

In the course of reversing of haul-off unit the folds of the film occurred through the board of lambdoidal can be flattened and stretched by the angle conversion of several rollers, and this enhances efficiently the comprehensive physical and mechanical performance of the products.

并且将薄膜经过人字板时产生的皱折在牵引旋转过程中，经过多根导辊之间的角度变换，达到展平和拉伸的作用，有效提高制品的综合物理机械性能。

OBJECTIVE: To assess the value of mandibular distraction osteogenesis in treatment of OSAS in patients with congenital micrognathia and the effect of the surgery on the patients' respiratory functions.

目的：探讨和评价下颌骨牵引成骨技术在治疗小下颌畸形伴OSAS中的应用价值及对呼吸功能的改善作用。

We concluded that the Spidroin2 cDNA of Nephila clavipes can be expressed in prokaryotic expression system, and addition of exogenous alanine plays important role in the promotion of expression of the naive gene of spider silk protein.

本研究证实，蜘蛛牵引丝蛋白Spidroin2 cDNA可在原核细胞内正确表达，外源丙氨酸的加入对于提高天然蜘蛛丝蛋白基因在原核系统的表达作用明显。

Staining for OPG was localized in osteoblasts cell of the periosteal region at end of delay period on 1, 7th day after completion of distraction.

结论OPG可能在牵引成骨过程中特别是调控组织细胞应力信号传递的早期发挥重要作用。

Along the impersonal need of our country's railroad reformation and development,analyse the opportunity and challenge and enterprise stratagem of the JNX locomotive depot which shoulder the task of locomotive draught in the railage net ,illustrate that locomotive examine and repair is the core action in the depot management.

根据我国铁路改革发展要求，分析了在铁路运输网中担任机车牵引任务的机务段所面临的机遇与挑战以及所采用的企业战略，阐明了机车检修管理在机务段管理中的核心作用。

Objective This study summarized the treatment effect of tuina and drawing or they combined with Chinese medicine on the cervical vertebra retrogressive disease.

目的 回顾性观察推拿和牵引与复合中药的治疗方法对于颈椎退行性变的治疗作用。

Results: The posterior margin separation of centrums was more obvious than anterior margin separation in cases with traction from anteflection position of 10 degrees, while the most increases of intervertebral space occurred in cases with traction from neutral position.

颈椎牵引在中立位时对椎间盘的轴向作用最大，前屈位时受力集中在椎体后缘，后伸位转移到后侧小关节。

And then the preparations were fixed on material test system to observe the changes of the protruded nucleus pulposus under traction and rotation in different states.

方法将制成颈椎间盘突出模型的尸体标本固定在生物材料实验机上，在不同牵引重量和旋转角度作用的同时，观察突出髓核的变化情况。

With heart-shaped shaft with 1151 5-Valve Manifolds lever, chain, or pulley in traction, the precise role of timing in the gas valve push rod ends, open the intake or exhaust port.

带有鸡心轴的连动杆，在链条或皮带轮的牵引下，准确正时的作用于气阀门的推动杆端，开启进气口，或排气口。

By making point settings and switch assignments traction control can be applied whenever necessary.

通过做点设置和开关任务牵引控制可以是应用的，每当必要。只有当节流孔从中性被移动向餵方向时，这个作用经营

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。