接头作用

It was demonstrated that toosendanin was a selective presynaptic blocker, which blocked the neurotransmitter release both in peripheral and central nervous system.

已有的研究表明，它是一种作用于突触前的特异性传递阻断剂，通过抑制神经递质释放阻断神经肌肉接头和中枢神经系统的兴奋传递。

It is discussed that the adjusting effect of OLTC to the voltage of primary and secondary side is in close relation to the load type.

研究了有载调压变压器分接头的调节作用对变压器一、二次侧电压的影响与恒阻抗负荷、恒电流负荷、恒功率负荷以及电动机负荷等不同的负荷类型的关系。

The results show that the orientation of crystal grain is changed and crystal grain is refined by magnetic field. The optimal properties of welded joint appears when magnetic field frequency is 20 Hz.

结果表明，外加纵向磁场通过电磁搅拌作用改变晶粒的结晶方向、细化晶粒，在磁场频率为20 Hz时，焊接接头的力学性能达到最佳。

The new design promotes the development of cable transmission technology to a certain extent.

该电接头的设计对电缆传输技术的发展起到了一定的推动作用。

A drilling apparatus (10) for earth boring operations is of the type having cutter blades (17, 18) mounted on a support body (12, 72, 82) at the lower end of a drill string and includes a novel arrangement of fluid bore sections (15, 23, 23', 63, 64, 65', 92) for delivering fluid under pressure into fluid discharge passages (50, 52) in each of the blades and a bifurcated pivotal mounting portion (16, 74, 91) on the body which enables the bore sections to supply fluid to the cutter blades through a ball joint (22) on the pivotal axis.

一种用于地面钻孔操作的钻井设备(10)，在钻柱的下端具有安装在支撑体(12，72，82)上的切割刀片(17，18)，并包括流体孔部分(15，23，23′，63，64，65，65′，92)和该支撑体上的分叉的枢转安装部分(16，74，91)的新颖结构，该流体孔部分用于在压力作用下将流体供给到每个刀片的流体排放通道中，该安装部分使的该孔部分通过枢转轴线上的球接头(22)能够将流体供给供给到该切割刀片。

We report the case of a congenital myasthenic syndrome due to a mutation in AGRN, the gene encoding agrin, an extracellular matrix molecule released by the nerve and critical for formation of the neuromuscular junction.

我们报告了一例由于AGRN集聚蛋白编码基因）突变导致的先天性肌无力综合征，AGRN是一种由神经释放的细胞外基质分子并对神经肌肉接头的形成起重要作用。

Experiment results show that though the grains of the heat-affected zone are seriously coarsened due to the effect of welding thermal cycle, there is no softened zone and the strength of the welded joint doesn′t decrease because the transformed microstructure is different from the original one.

结果表明：经过焊接热循环的作用，虽然热影响区的晶粒明显粗化，但由于所获得的二次组织形态与钢筋原始组织不同，热影响区未发生软化，也不存在焊接接头强度下降的问题。

Experiment results show that though the grains of the heat-affected zone were seriously coarsened due to the effect of welding thermal cycle, there is no softened zone and the strength of the welded joint doesn't decrease because the transformed microstructure is different from the original microstructure of the rebar.

结果表明：经过焊接热循环的作用，虽然热影响区晶粒明显粗化，但由于所获得的二次组织形态与钢筋原始组织不同，热影响区不发生软化，也不存在焊接接头强度下降问题。

Based on great amount of structural steel spliced joint model experiments,related calculation formula have been derived and verified with theory and practice.The conclusions from the experiments will be useful for design and construction of prespliced joint for bridge structures.

通过大量结构钢拼接接头模型试验，得出不同状态下的实验结果，并据此推导出相关计算公式，从理论和实践中进一步验证其可行性，所得结论对预制拼接梁桥结构施工和设计有指导作用。

Set the production process ingredients, palette, molding, printing, in one crop, the company's products are widely used in batteries, electronic components, aluminum, tantalum electrolytic capacitor, the power cord connector, lighting and landscaping tools and drugs, food, and so on the packaging , To be played appearance of coating, insulation, wear-resistant, moisture-proof, dust, etc., can meet the different needs of various aspects.

生产过程集配料、调色、成型、印刷、裁切于一体，公司产品广泛的应用于电池、电子元件、铝、钽电解电容、电源线接头、灯饰及园林工具和药品、食品等的包装上，对被包覆物起到美化外观、绝缘、耐磨、防潮、防尘等作用，可以迎合各方面的不同需求。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了