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The company was established in 2001, covers an area of 16,000 square meters, are set production, sale and service of professional manufacturers, professional production·, chemical pure, pure electronics, industrial pure content specifications such as sulfuric acid, nitric acid, hydrochloric acid, sodium hydroxide, hydrogen peroxide, ammonia and other chemical raw materials and chemical reagents, as well as multi-layer circuit boards, flexible circuits board, semiconductor, electronic plating, chemical plating, wastewater treatment and a variety of electronic device manufacturers to provide supporting services.

公司成立于2001年,占地面积16000平方米,是集生产、销售、服务于一体的专业型厂商,专业生产分析纯、化学纯、电子纯、工业纯等各种规格含量的硫酸、硝酸、盐酸、氢氧化钠、双氧水、氨水等各种化工原料及化学试剂,并为多层电路板、软性电路板、半导体、电子电镀、化学电镀、废水处理及各种电子器件生产厂商提供配套服务。

This paper is a research on the calculation theories and methods of cable suspension bridge construction control. It focuses on the sensitivity analysis of two design parameters - elastic modulus of main cable and dead weig;ht of bridge slab, which are key factors to the suspended structure.

本文针对悬索桥施工监测与控制的计算理论和方法开展研究,重点讨论了影响悬索桥结构行为的设计参数,通过设计参数敏感性分析,确定了对悬索桥变形有较大影响的两个设计参数——主缆的弹性模量和桥道板自重集度。

The current collector of silver-coated nickel foam s were prepared by electrodeposition in order to substitute silver grid.

采用电沉积法制备镀银泡沫镍集流体以替代银网,通过SEM,XRD及电化学测试等手段对其进行表征及性能分析。

Ccording to the characters of disasters in gas-logged, inflammable and thick seam of coal face, by analyzing and comparing the advantages and disadvantages of the current ventilation method s, a new ventilation method with technique, economy and safety as a whole is brought forward.

针对高瓦期、易自燃厚煤层中高产高效工作面的灾害特征,通过分析比较现有的几种通风方式的优缺点,提出了一种集技术、效益、安全一全化的新型通风方式。

Based on the deliberate analysis of microfacies, the authors set up the gentle-gradient braided river sedimentary model and the multi-channel and low-sinuosity meandering river sedimentary model, and think that the most favorable reservoir is overriding sand bodies of channel bar and point bar and channel bed sand bodies is sub-favorable reservoir.

在深入细致的微相分析基础上,分别建立了缓坡型辫状河与多河道低弯度曲流河两种沉积模式,认为最有利的储集砂体主要为高能水道心滩和边滩叠置砂体,其次为河床滞留砂体。

Based on the nonlinear dynamical model of the rotor-bearing system with rub-impact and pedestal looseness, the system periodic motion and its stability were studied in unbalance-rotating speed plane and rotor/stator clearance- rotating speed plane, and the effect of parameters on the system was analyzed and tested by the experiment.

以含有松动和碰摩耦合故障的转子轴承系统为研究对象,对松动碰摩耦合故障转子的周期运动稳定性及其失稳规律进行了研究,得到了系统在不平衡量-转速、碰摩间隙-转速等参数域内的分岔集,分析了这些参数对系统周期运动稳定性的影响,并用试验加以验证。

After studying the relation between connected subnet numbers and the cutest of the network,this paper presents a method for computing the cutest numbers and a formula of the coefficient bounds of reliability polynomial.

本文分析了网络的连通子网数与网络割集以及断集数的关系后,给出一种网络断集数的计算方法以及网络全端可靠性多项式系数上下界的公式,适用于任何网络。

Based on previous researches and AVHRR GIMMS NDVI and AVHRR GloPEM NPP data sets, this paper analyzes the response of vegetation dynamics to climate change in the southwestern karst region of China since the early 1980s by extracting each pixe's information.

在前人研究的基础上,基于AVHRR GIMMS NDVI和AVHRR GloPEM NPP数据集,通过对逐个像元信息的提取和分析,研究了20世纪80年代以来,我国西南喀斯特地区植被变化对气候变化的响应。

The effect of wind speed on the top heat loss coefficient of flat plate solar collector has been analyzed, the modified coefficient for wind speed effect and its empirical equation has been derived.

本文分析了风速对平板型太阳集热器顶部热损失系数的影响,导出了风速影响修正系数及经验公式。

Since the early 1950s, the activity of designing has been the subject of systematic and scientific analysis, it has been codified into set procedures, and it has become institutionalized by manufacturing corporation (Philips, Olivetti and IBM, for example ) as part of the overall identity of the company.

从20世纪50年代早期开始,设计行为已经发展为系统和科学分析的学科,并被编撰成程序集,由于一些制造厂商如Philps,Olivetti and IBM将设计作为公司整体形象的一部分,设计成为了一种行业制度。

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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.

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本文综合考虑了几种电弧重燃和熄灭理论。