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The experiment and the research indicate that:(1) Through the Hot-Continuous-Rolling production technics under small reduction ratio of 4.04 and 5.08, the rectangular continuous-casting billet of 235×265mm can be used to produce big size steel stick of Φ140mm and Φ 125mm whose macrostructure and mechanical properties meet the standards, this technics is viable;(2) This rolling technics can make the deformation penetrate to the center of the billet by low temperture and low velocity and big roller diameter and large reduction quantity at every pass and optimum design and arrangement of rollers, which is the key of Hot-Continuous-Rolling technics under small reduction ratio;(3) The sending technics used in Xining Special Steel Co.,Ltd can not use waste-heat of billet adequately, but the sensitive temperature section of A1N or sulphides or inclusions separating out is avoided, creating a favorablecondition for insuring good surface quality of final rolled steel;(4) The Hot-Continuous-Rolling technics under small reduction ratio has a close relationship with the billet quality control and the hot sending process control and the cooling control after rolling.

通过实验研究表明:(1) 235×265mm矩形连铸坯分别采用4.04和5.08的小压缩比热连轧生产工艺,所生产的Φ140mm和Φ125mm的大规格棒材,其低倍组织和机械性能均符合标准要求,该工艺是可行的;(2)本实验所采取的低温低速、大辊径大道次压下量轧制工艺加上轧辊孔型的优化设计与配置,可以使加工变形渗透到铸坯的中心,这一点是实现小压缩比热连轧生产工艺的关键;(3)西宁特钢在红送过程中虽然铸坯余热未能得到充分的利用,但是有效地避开了A1N、硫化物的析出及夹杂物偏析的敏感温度区,为保证最终轧材良好的表面质量创造了有利的条件;(4)小压缩比热连轧生产与铸坯质量控制,热送过程控制以及轧后冷却控制密不可分。

In NWFM,to solve self-consistently the set of DFT Kohn-Sham equations,nuclear weight function is employed for numerical solution of multicenter integra-tion,which decomposes the problem of three dimensional integration to a sum ofone-center,atomic-like integrations.

首先介绍如何利用线性组合的原子轨道方法求解密度泛函理论中的K-S方程;接着详细地说明了核权重函数的概念,并列出了两种常用的核权重函数形式,同时阐述了如何利用核权重函数求解包含多中心积分的矩阵元以及复杂的三维泊松方程以获得电子间库仑势的方法;然后给出了求解矩阵元、有效势以及体系总能的具体数值计算公式。

The product already the national automobilequality surveillance center examination, the quality was qualified,after completed the effective travelling schedule, the reducedpressure rate below 5%, completely coincided the internationalstandard.

产品已经国家汽车质量监督中心检测,质量合格,在完成有效行程后,减压率在5%以下,完全附合国际标准。2。

A total of 287 patients, who were clinically stable that their primary physicians considered to be ready to undergo a weaning trial, were recruited from all-purpose respiratory care center of a national hospital located in Taichung area.

全部的病患都是来自於中区署立医院的呼吸照护中心,总共收集了287个有效样本。

Client-centered techniques describe how the collection is used and indicate the effectiveness of the collection relative to use.

以使用者为中心的方法描述了如何使用馆藏和指出馆藏有效的相关使用。

Compared with Cu-Ag alloy under the same test conditions, the coherent precipitation hardening is proved to be the major factors that improve the strength and hardness of the alloy.

然而,目前国内外所用的铜合金材料一直都存在着高强和高导之间的矛盾,如何在保持高的导电性的前提下,有效地提高其力学性能已经成为铜合金材料研究和发展的中心任务,因此寻找一种兼顾高强度与高导电

The Associate of Science in Interdisciplinary Studies with Educational Paraprofessional emphasis area combines the strong foundation of interdisciplinary studies with specialized skills that will enable the student to be an effective paraprofessional in the classroom, child care center, or any other setting where instructional aides may be of assistance.

科学的交叉学科与教育辅助专职副重点领域,结合了具有专门技能,使学生跨学科的研究奠定坚实的基础是一个有效的辅助专职在课堂上,幼儿中心,或任何其他设置在教学助手可能会有所帮助。

Methods: A total of 350 questionnaires was sent to 18 medical centers; 181 valid responses were received. The main respondents were radiographers. The collected data were analyzed by the utilization of Structural Equation Modeling to validate the research model.

针对18家医学中心之放射科技师进行问卷调查,共发出350份问卷,回收181份有效问卷,所搜集资料透过结构方程模式进行研究模式之验证。

This study also indicates that the more additional medical specialisms there are involved, the greater medical resource utilization is, while no significant treatment results are achieved.

本研究明显显示医学中心仍无法有效治疗与控制失智症,且失智症的动脉硬化相关合并症愈多,其医疗资源耗用也愈多。

X\dK 16. In view of the seriousness of this problem, effective measures should be taken before things get worse.

考虑到问题的严重性,在事态进一步恶化之前,必须采取有效的措施。PQ 京翰教育中心

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。