查询词典 summation formula

This paper adopts the trapezoidal asympotic formula, and provides a novel formulation deduced for the functions, which takes the influence of the singularities into account, like Romberg method.

通过推导该类函数积分的梯形公式的渐进估计式，得到了考虑奇点影响的外推算法－类Romberg算法。

The Romberg formula is a successful example of peecise solution,wish is worked out from linear combination few approximate solutins.

Romberg求积公式以精度高而著称，而且也是用几个粗造的近似值的线性组合得到较为精确值的成功典范，因而在数值积分中广为运用。

This result is in accordance with the empirical formula.In order to confirm our result,the infrared data of R.A.

作者对Nyquist和Seehra的红外光谱数据分别进行处理也得到了类似的结果。

The model is used to analyze factors affecting the rolling force of multi-pass H-beam rough rolling process,and the experiential formula was con...

利用该模型对Q235材料H型钢多道次粗轧过程进行了四因素三位级的虚拟正交实验，研究影响其轧制负荷的主要因素，建立了经验公式。

A simple method for writing Haworth formula of surgons and its application arereported.

报道了书写糖类Haworth式结构的一种简便方法及其应用。

As for the idea that the quantum can emerge from relativity, Bousso recently derived the most famous formula of quantum mechanics, the Heisenberg uncertainty principle, from the holographic limit.

至于量子源自相对论的说法，布索最近由全像极限推导出了量子力学最有名的公式──海森堡的测不准原理。

In the paper,according to the specific law of redox titration,using stoichiometric relation and Nernst formula in the chemical reactions.

根据氧化还原滴定的特殊规律，运用化学反应的计量关系和能斯特公式，给出了氧化还原滴定终点误差的简单计算公式。

Nernst distribution law is the most basic laws of chemical solvent extraction can be used formula Kd =〔M〕(0)〔M〕 said.

能斯特分配定律是溶剂萃取化学的最基本定律，可用方程式Kd＝〔M〕（0）〔M〕表示。

On the basis of biology, it deduces the relation between the high electrostatic field and the transmembrane voltage by the formula of nernst and the quantum tunneling effect.

采用平面类脂双层模型分析外加高压静电场对植物细胞跨膜电位的影响，并探讨其微观机理。

Our non-toxic proprietary formula contains citronella, lemongrass, cedarwood and other natural oils known for their safe bug repellent properties. Our spray also works to soothe itchiness from existing bites with organic aloe vera, yucca, Irish moss and herbs that are specific to healing of the skin.

加州宝贝无毒的密方包含有香茅，柠檬香草，雪松还有其它天然安全驱虫的油，有机的成分含有芦荟油，丝兰，爱尔兰苔和草本不仅对已叮咬的部位能止痒，而且也能治疗皮肤。

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。