查询词典 cam lechanism

［Ca2+］, CaM, cAMP and Ca2+/CaM-PK Ⅱ exert important role in the damage of PC12 after combined soman and hypoxia injury.

［Ca2+］、cAMP、CaM和Ca2+/CaM-PK Ⅱ在缺氧复合梭曼中毒PC12细胞损伤机制中起了重要的作用。

Objective To observe the changes of the concentration of Ca2+, contents of cAMP, CaM and activity of Ca2+/CaM-PK II in pheochromocytoma PC12 cells after combined soman and hypoxia injury.

目的 观察缺氧复合梭曼中毒后大鼠肾上腺嗜铬细胞瘤PC12细胞内游离钙的浓度(［Ca2+］)、cAMP、钙调蛋白和钙调蛋白激酶Ⅱ（Ca2+/CaM-PK Ⅱ）的变化。

Results The changes of ［Ca2+］, the contents of CaM, cAMP were significantly higher in hypoxic and soman intoxicated group than in soman intoxicated group and control group under hypoxia; but the activity of Ca2+/CaM-PK Ⅱ were significantly decreased.

结果 缺氧中毒组PC12细胞cAMP、CaM含量在中毒后24 h明显高于单纯中毒组、缺氧对照组和正常对照组；缺氧中毒组PC12细胞Ca2+/CaM-PK Ⅱ活性在中毒后24 h明显低于单纯中毒组、缺氧对照组和正常对照组。

Serrations, rings, etc. may prevent torquing the fastener to failure due to socket cam off or recess bit cam out. NOTE: The washer I.D. should not be larger than 0.04 in (1.0 mm over the major diameter of the screw.

由于套筒或内花形枪头容易滑脱出来而使紧固件无法扭断，扳拧工具上可做出锯齿形的凸起、环形等等以防止这种情况发生。

And the first research for the variation of valve seat velocity, valve impulsive force and valve jump with the cam turning speed, the structures and the different cam profilers have been engaged in, such study work had not been done before about the valve train.

气门落座特性参数的变化规律在应用单质量模型和有限元模型时是很难得到的，而利用多质量模型可以很容易得到，因此澄清了以往的一些模糊认识，也得出了一些很有价值的结论。

The introduction of international advanced CAD / CAE / CAM technology system with a CAD / CAM graphics workstations, plotters.

引进了国际先进的CAD/CAE/CAM技术体系，拥有CAD/CAM图形工作站、绘图机。

The high potassium ferrocyanide solution was added to CAM homogenates and the absorbance was detected by ultraviolet spectrophotometer. The hemoglobin content of CAM homogenates was obtained by reference standards.

分离发育期鸡胚尿囊膜并将其匀浆，加入高铁氰化钾溶液，用紫外分光光度计测量A值，通过标准品计算样品中血红蛋白的含量。

At present, the company from development to production tooling, from milling, grinding, cars, wire-cut EDM and injection molding to spraying, etc., are imported special precision equipment to ensure that the process accuracy and product quality; we have to master Pro / E, CATIA, UG , MASTER CAM, as well as other modern CIMATRON advanced CAD / CAM software engineers engaged in various complicated plastic mold design and development.

目前，公司从模具研制到产品生产，从铣、磨、车、线切割到EDM以及注塑喷涂等，均采用进口专用精密设备，确保工艺精度和产品质量；我们拥有掌握Pro/E、CATIA、UG、MASTER CAM以及CIMATRON等现代先进CAD/CAM软件的工程师从事各类复杂的塑胶模具的设计和开发。

Although the valve lift of PA6B is bigger than PA6s, the cam lift becomes small with a bigger ratio of the rocking arm, this is of advantage to enhance the working life of cam.

这样尽管气门升程较PA6柴油机大，但由于其增大了摇臂比，所以凸轮升程反而较小，有利于凸轮设计及提高凸轮寿命。

On applying the theory of differential geometry, the research shows the procedure for determining the required cutter path for cutting conical cam profile using a NC milling machine based on the analytical profile expression of conical cam with oscillation conical roller follower or with a translating conical roller follower established in 3D space. The analytical expression of cutter path is provided for a tapered endmill cutter, whose size may be identical to or smaller than that of the conical roller.

应用微分几何理论，以在3维空间所建立的圆锥滚子摆动从动件和直动从动件圆锥凸轮机构凸轮廓面的解析表达式为基础，对数控铣床加工圆锥凸轮廓面所需刀具轨迹方程的建立方法进行了研究，根据所采用的锥形刀尺寸等于或小于圆锥滚子尺寸的情况，推导出相应的刀具轨迹方程的解析表达式。

More direct, directer ; most direct, directest

径直的，笔直的

Do you know how to use a chain saw?

你知道如何使用链锯吗？