查询词典 direct method

1It is the first time to study the direct method of solution for singular integral equations with solutions having singularities of order one. The necessary and sufficient condition for the solvability and the close form of the solution are obtained.

本文主要在以下几个方面有所创新：第一，首次研究了具有一阶奇异性解的完全奇异积分方程的直接求解，并得到其可解的充要条件和解的封闭形式。

Based on virtual instruments, the direct method of sound intensity acquisition was discussed.

提出了一种基于虚拟仪器技术的声强直接测定方法。

Prepare a statement of cash flows by the direct method.

用直接法编制现金流量表。

It was found that the reaction of synthesis of lead stearate by direct method in aqueous medium could be accelerated markedly by ammonium salts.

研究发现铵盐对水介质直接法合成硬脂酸铅反应具有显著的催化加速作用。

According to the model's actual background,discussing the random variable coefficient equation and using direct method,we obtain sufficient condition for the uniform stability and the globally asymptotic stability of difference equation,and also give examples to show they can not substitute each other.

本文根据种群模型的实际背景，讨论了任意变系数方程利用直接方法获得了所讨论方程的零解的一致稳定和全局渐近稳定的充分条件，并举例说明了这两个充分条件不能相互代替。

In the chapter 1, We introduce the shallow water wave equations and the produce of the direct method.

第一章中简单介绍浅水波方程及直接约化方法的产生。

In the chapter 2, We arrange and analyze the existing work, to solve the shallow water wave equations with the direct method.

第二章中是对已有的用直接约化方法求解浅水波方程的工作做整理和分析，。

Direct method zinc oxide 90%-98%, with an annual output of about 8000 tons.

直接法氧化锌90％－98%，年产量约8000吨。

In this paper, through stability analysis based on a novel Lyapunov function and Lyapunov's direct method, the sufficient conditions of global asymptotical stability and the deductions are given.

文中引入一种新的 Lyapunov 预选函数，采用 Lyapunov 直接法研究系统的稳定性问题，得到了系统全局渐近稳定的充分条件及推论。

The lignan secoisolariciresinol diglucoside is a bioactive molecule effective on anticancer, antivirus and antioxidation. A simple and direct method for SDG qualitative analysis was established with TLC.

建立了定性分析亚麻籽饼粕中开环异落叶松树脂酚二葡萄糖苷的TLC方法，根据TLC结果，确定提取溶剂为0.1 mol KOH溶于1 L70%乙醇，固液比为1：8，提取2次。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。