当量

Through reforming the YC7150 gear grinding machine of conical surface of grinding wheel by CNC,the proposed approach will be of much help in increasing the accuracy of the grinding machine tools and can also be used to change the equipment of gear process,and can give rise to the principle dividing precision less one pulse equivalent .

对高精度齿轮加工设备的传动原理进行了分析，具体研究了在高精度数控分度时计算分度指令脉冲数所采用的均匀分配脉冲数的方法，并用此算法对 YC715 0锥面砂轮磨齿机进行数控改造，以进一步改善齿轮加工设备，提高机床加工精度，使理论分齿精度小于一个脉冲当量。

On the basis of comparing the black-spots identification methods at home and abroad, by analyzing the accident statistical data of national road 312, the paper puts forward the accident cumulative frequency method that can find the black-spots in the road, and make some improvement considering various comprehensive traffic safety factors.

在比较国内外现有事故多发位置鉴别方法的基拙上，通过对我国312国道某路段事故交通状况和事故统计资料的分析，提出了适合此路段的事故多发位置的鉴别方法—累计频率法，并在实际应用中从综合考虑各种交通安全评价因素的角度出发，基于当量和数理统计的理论对此方法进行了改进。

TMA analyses showed that Epon828/cyanate ester = 1/1 had lower CTE and good dimension stability.

TMA的分析，氰酸酯当量比例增加，使得热膨胀系数降低，而有较佳的尺寸安定性。

Characteristics of free vibration and forced vibration of a damped system with dry frictional damping,viscous damping and c x·2 damping are analyzed and calculated,acceleration response of free-vibration of the dry frictional damped system has a sudden change when x· is zero,the change value is constant and depends only on the natural frequency ωn and the displacement xk due to dry friction.

本文对存在干摩擦阻尼、粘性阻尼和c.x2阻尼系统的自由振动及受迫振动特性进行了解析及数值计算，得到干摩擦阻尼系统自由振动的加速度响应在速度零点有一突变，这一变化量为定值，且只与系统固有频率ωn及摩擦当量位移xk有关。

By calculating the equivalent loading,the process of strength degradation under random loading was transformed into a process under the deterministic loading,and the relationship between reliability andtimes of loading action was obtained.Besides,the time-dependent reliability models under multi-loadings were established by analyzing the relationship between action times of different loadings and time.

该模型通过计算当量载荷，将随机载荷作用下的强度退化过程等效为确定性载荷作用下的退化过程，得到零件可靠度与载荷作用次数的关系，在此基础上，通过分析不同载荷出现次数与时间的关系，得到多个载荷共同作用下零件可靠度随时间的变化规律。

Based on the characteristics of stress distribution in high-pressure cylinder ,the formula of calculating the maximal equivalent stress is educed according to the fourth strength theory and the quantitative relationship between cylinder's inside pressure and diametrical ratio and the fatigue limit were founded.

基于高压缸的应力分布特点，由第四强度理论推导出了高压缸最大应力的当量应力的计算公式，建立了缸筒内压与缸筒径比及持久极限的量化关系。

Comparing with the equation of common machine tools, this equation has three characteristics: It includes the variable frequency driver's energy loss;The variable frequency driver's no-sine voltage wave causes mechanical pulse losses in mechanical driving system;Equivalent palstance of main driving system is of uniform continuity.

该方程相对于普通机床功率平衡方程，具有变频器自身存在较大的能量损耗、变频器输出的非正弦波形电压带来的电气谐波损耗和机械传动系统的机械脉动损耗、主传动系统当量角速度具有一致连续性等三个重要特点。

Standard of will basic electrovalency of simple and easy equivalent makes analytic expression, considered 2 times to supply the parameter quote of function among them.

将基本的简易当量电价法作解析表达，其中考虑了二次供应函数的参数报价。

Be aimed at this one problem, the article is on the foundation of model of electrovalency of transmit electricity equivalent, introduce " pay apiration " concept, built block management model.

针对这一问题，文章在输电当量电价模型的基础上，引入"支付意愿"概念，建立了阻塞管理模型。

Because the coupling condition of NNGFM arises from the net current continuity imposed at the volume element interfaces, the relatively complex conversion formulation for partial current continuity condition of NGFM is unnecessary when applying G. E. T., and computation time is saved. The coefficient matrix of the coupled equations is tridiagonal, so it can be solved by forward elimination and backward substitution method.

NNGFM的基准校验及在大庆200MW核供热堆(NHR-200)上的应用表明，NNGFM计算精度和速度与第三类边界条件格林函数节块法NGFM〓相当，在相同精度下速度比CITATION能快1000倍；NNGFM给出的本征值、功率分布较NNGFM误差能减少一半以上，为更精确计算工作期、卡棒当量提供了条件。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。