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In order to solve parabolic equation of heat conduction with interval parameters, the regions of space are discretized by finite elements and the regions of time are discretized by finite difference. The interval finite element method based on the element is established via the combination of interval analysis and the traditional finite element method.

对具有区间参数的热传导抛物型方程的求解,在空间域上利用有限单元离散,在时间域上利用差分离散,将区间分析和常规的有限元法相结合,建立了求解不确定温度场的基于单元的区间有限元方法。

A nonlinear regression is adopted to analyze the changes of plasma vitellogenin concentration in crucian carp via the environmental pollutant exposure concentration, and the concentration-response relationship is determined for the single chemical of estradiol (E2), ethynylestradiol (EE2), bisphenol A, 4-tert-octylphenol, and that of the mixed compounds at equipotent concentrations, the mixture being tested using a fixed-ratio design.

通过对鲫鱼血浆卵黄蛋白原含量的相对变化和暴露浓度的非线性回归分析得出17α-乙炔基雌二醇(EE2)、17β-雌二醇(E2)、双酚A、辛基苯酚及其等毒性固定浓度比例混合物产生雌激素效应的剂量-反应关系;应用相加作用数学模型根据单个化合物的数据预测混合物效应。

Based on the universal theory ,a new method which is via adjusting local coordinate system and the equivalent stiffness matrix is used to modify the orthotropic wrinkled membrane .

基于普遍性的要求,针对正交各向异性膜材,本文提出了采用局部坐标系转置和刚度等效分析褶皱膜单元的新方法,并运用有限元软件Strand7及其开发程序Strand7API进行了编程验证。

Based on it, another sufficient condition on asymptotic stability undering the meaning of Lyapunov's is obtained via the method of equivalent transformation and equivalent system.

在此条件基础上,利用等价变换和等价系统的方法,得到了该闭环系统Lyapunov意义下渐近稳定的充分条件。

Via the work of this paper, it is feasible that the measure and control system can testand control every parameters of ergograph by applying computer measure and control technology.

通过本课题的工作,应用计算机测控技术开发出能对测功机各参数进行测量和控制的测控系统。

The only way to share mutable state is via the Unsafe class which exists only as an escape hatch.

要共享可变状态只能通过Unsafe class,这个类只是一个安全舱口。

Everybody is inspected via often can visitting feng4huang2 of CCTV, wind to defend wait for a TV program, people is familiar with the brand of these TV medium itself not just, more familiar is the numerous program brand that these TV station place make, be like: Of CCTV " economy half hours "," estrade of a hunderd schools "," same a song "," Chinese finance and economics reports "," exploration discovers ", if phoenix is defended,inspect " century big lecture room "," Lu Yu has about "," clang clangs 3 people go "," celebrity face-to-face " etc, etc.

大家经常会访问央视、风凰卫视等电视节目,人们不仅仅熟悉这些电视媒体本身的品牌,更熟悉的是这些电视台所制作的众多节目品牌,如:CCTV的《经济半小时》、《百家讲坛》、《同一首歌》、《中国财经报道》、《探索发现》,如凤凰卫视的《世纪大讲堂》、《鲁豫有约》、《锵锵三人行》、《名人面对面》等等,等等。

The new aproach of which can be achieved via the oxidation of 2-naphthylamine (39) by CuCl〓benzylamine or ethanolamine (2: 1) in methanol under mild condition with isolated yield up to 74%.

本文开发出利用2-萘胺(39)为原料,以氯化铜—苄胺或乙醇胺(2:1)作为氧化偶合试剂,在温和的条件下和甲醇溶剂中,以高达74%的产率合成40的新方法。

Advances in the catalysts for synthesis of ethylene glycol ethers via etherification were reviewed, and some suggestion were made for development of new catalysts.

介绍了醚化反应法合成乙二醇醚催化剂的研究进展,并对催化剂的开发提出了建议。在进行环氧乙烷与醇的醚化反应时,使用传统的碱性催化剂,反应容易形成多醚;使用传统的酸性催化剂,反应容易形成有毒物质二烷。

Amphoteric tapioca starch with carboxyl groups was produced via crosslinking, oxidation and etherization reactions. The product was then characterized by means of SEM, XRD and colloid titration, with the preparation mechanism being also investigated.

采用交联、氧化和醚化反应制备羧酸型两性淀粉,通过扫描电子显微镜、X射线衍射、胶体滴定等方法对该淀粉进行表征,并研究了该两性淀粉的合成机理。

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Poveste De Viață
Conversation Via Radio
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Ho Messo Via
Dritto Per Quell'unica Via
A Mezza Via
Via Dolorosa
Via Dolorosa
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L'Via L'Viaquez
推荐网络例句

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场,你等着挨绳子吧!

Several theories about reigniting and extinguishing of the arc have been refered.

本文综合考虑了几种电弧重燃和熄灭理论。