查询词典 summation formula

Based on the nature of Yellow River,the data of the drum thickness were figured out by this formula.

利用第三强度理论，推导出分离机转鼓壁厚计算公式，并根据黄河水的特性计算出转鼓壁厚。

Unsterilised baby bottles and formula made with dodgy water could kill her.

通过未经消毒的奶瓶喝用水配置的配方可能会害了她。

A skin-caring formula that contains Vectorised Vitamin E plus a powerful moisturising agent for great daily protection.

护肤配方包括维他命E并且添加了日常保养所需得强力滋润因子。

Follow with a waxy balm to create a smooth, waterresistant base beneath your gloss (a traditional rose or beeswax formula, whether it's from a pot or stick, is the right consistency).

吉米说。接着，涂抹润唇膏形成一层润滑的防水层作底（不管是瓶装或者管装的，拥有传统玫瑰或者蜂蜡配方的润唇膏皆宜），再在上面涂唇彩。

These key factors are analysed in this paper using pressure equalization principle, and a formula for calculating process parameters of lost circulation control is deriv...

本文采用压力平衡原理对堵漏钻柱的下入深度、顶替量及顶替排量进行了分析和推导，给出了在失返条件下水泥浆堵漏工艺参数的计算公式。

Extra-gentle, delicately emollient formula includes a rare anti-irritant to de-emphasize puffiness.

细腻柔润的配方中更蕴涵珍贵的抗刺激成分，协同消褪眼部浮肿。

Firstly, The perfectly matched layer in three dimension stretched cylindrical coordinates is deduced, and a strict formula of time step is presented so as to ensure the stability of the numerical solution.

文中首先推导了三维柱坐标系下完全匹配层的差分表达式，并给出保证其解稳定性的更为严格的时间步长公式。

In the cylindrical coordinates, the related basic formula and solve method of the equivalent boundary element method were established and derived, and a new contact element was introduced to model the hybrid of structure and soil.

同时建立并推导了在柱体坐标系下插入式大圆柱壳墩式结构的等效边界元数值分析的相关基本方程和求解方法，并提出了一种新的接触面单元以模拟结构和土体间不同材料的耦合关系。

A formula of critical volume fraction of ZnOw for the formation of the conductive nets of th.

通过分析和计算提出了树脂基/ZnOw复合材料导电通道形成所需四针状氧化锌晶须的临界体积含量υc。

The formula of the critical pressure ratio for safety valve is proposed.

提出了一种由喷管临界压力比确定安全阀临界压力比的计算公式。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。