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It studied many factors such as blank holder pressure, anti-pressure, clearance between punch and bottom die, and parameters of dentiform on blank holder, analyzed the influence of these factors' change to stress and strain field in distortion area and the appearance of shear crack, summarized the appropriate ratio of blank holder pressure and anti-pressure, and the best range of other factors.

从压边力、反压力、相对冲裁间隙、压边圈齿形参数等各种因素出发,分析了这些因素的变化对于变形区应力应变场与剪切面裂纹产生的关系,并得出了压边力与反压力的合适配合比例,以及其他参数的正确取值范围。

There exists a phase transformation line for dense and medium dense sand which characters the state from contractive to dilative.

对于中密砂和密砂,剪胀现象是一个比较显著的特征,相变线是描述剪胀现象的一条特征线,它比较容易确定。

It points out that it must use unsaturated soil theory to consider the stabilization of construction established on loess and dilative soil subgrade. It uses single-phase flow theory and neglects the effect of porous air to describe the flow in unsaturated soil. The saturation of water and pore water pressure are taken as state variables, the effective stress and water flow velocity are expressed using these variables.

对于非饱和渗流孔隙水压力-位移耦合分析问题,本文采用单相流理论,忽略孔隙气压力的变化及其对土体变形的影响,以孔隙水饱和度和孔隙水压力作为状态变量,给出了非饱和土的应力状态表达式、渗流特性,建立了非饱和流孔隙水压力-位移耦合分析的有限元程式。

The development of professional and technical personnel in our province,from the province,we should uphold the human resource development simultaneously with economic development and advance the principles of moderation,paying attention to the development of epitomical growth and meaning of the combination,to the connotation of development-oriented,multi-simultaneously,the overall coordination,and stress practical results,according to our capability,focused,step-by-step in place.

对于吉林省专业技术人才的开发,应从省情出发,坚持人才开发同经济发展同步并适度超前的原则,注意外延增长与内涵开发相结合,以内涵开发为主,多元并举、整体协调、讲求实效、量力而行、突出重点、分步到位。

It is worth mentioning that the Fe-Ti-C system of 75wt% Fe content belongs to low exothermal system, the combustion synthesis reaction took place at 734'C under the preset heating rate 1000℃/s based on the electric field, and there were small TiC particles without Fe〓Ti in the products, which also was one of the novelties of this research.

值得一提的是,对于Fe含量高达75wt%的Fe-Ti-C体系实际上属于低放热体系,然而在电场诱导下,当预设升温速度提高至1000℃/s,在743℃时发生了燃烧合成反应,所获的合成产物中TiC颗粒细小,且没有Fe〓Ti相出现。

During the past decade, considerable research effort has been directed towards the development of in situmetal matrix composites, in which the reinforcements are formed in situ by exothermal reactions betweenelements or between elements and compounds. Using this approach, MMCs with a wide range of matrix materials(including aluminum, titanium, copper, nickel and iron), and second-phase particles including borides, carbides

在过去的几十年中,对于金属基复合材料我们做了大量的研究工作,这些复合材料的增强体都是通过元素之间或者元素与化合物之间的原位放热反应而加入到基体中的,这种方法广泛应用在生产金属基体材料(包括铝、钛、铜、镍和铁)和第二相颗粒中(包括硼、碳、氮、氧和他们的混合物)。

This method is featured with high estimating performance and little computation burden by n o aperture losing and temporal smoothing. The reˉ quirements on hardware for RSDOA matrix method is predigested consu medly only need one fiducially sensor array with arbitrary structure and a single scattered sensor cell, so it is more effective and practical than other existing similar algoˉ rithms.

与现有算法相比较,RSDOA方法对于系统的硬件需求大为下降,计算负担小;由于无阵列孔径损失问题且空时协方差矢量具有时域平滑效果,因此参数估计性能优越,具有广泛的适用性与实际的应用价值。

The anatomy relationship of venae hepaticae intermediae and its branches on gallbladder bed were analysed,which could be the reference during the LC.Results:For 112 patients suffered from inatrophic cholecystitis and cholecystolithiasis,whose gallbladders were decoherence directdly from ectoptygma muscular coat close to the gallbladder wall.

结果:对于术前经彩色多普勒超声波检查明确的肝中静脉直接和胆囊床相贴的非萎缩性胆囊炎胆囊结石的102例患者,采用紧靠胆囊壁的浆肌层直接进行剥离;而慢性萎缩性胆囊炎胆囊结石的24例患者,采用胆囊粘膜切除,或者直接开腹手术切除,未发生因损伤胆囊床肝中静脉而大出血。

Gallbladder endoscopicmucosalresectionor open cholecystectomy were applied in 28 cases developed with chronic atrophic cholecystitis and cholecystolithiasis.No hemorrhoea resulted from venae hepaticae intermediae on gallbladder bed injury were occured in all the cases.

术前常规彩色多普勒超声波检查,明确胆囊床肝中静脉及属枝位置关系,对于肝中静脉与胆囊床相贴的病例,采用紧靠胆囊壁的浆肌层剥离,或采用胆囊粘膜切除,或直接开腹手术切除,可以避免因损伤胆囊床肝中静脉而导致大出血。

In the dehydrogenation process of HD process, the temperature set at 580℃ and pressure set at 100Pa is a perfect parameter, it can make the magnet to have high magnetic performance. In the HDDR process experiment, the paper contrast four HDDR process such as C-HDDR V-HDDR V-HD-S-DR and d-HDDR by the anisotropy and magnetic performance of ternary NdFeB magnetic material. The results show that adjusting the parameter of the d-HDDR process can make the anisotropy and magnetic performance of ternary NdFeB magnetic powders to catch up with the hexahydric NdFeBCoZrGa magnetic powders. At the end the paper discusses the betterment of the equipment which produces ternary NdFeB magnetic with the d-HDDR process.

和580℃的脱氢温度相搭配的脱氢气压选择在100Pa左右是理想的工艺参数,这样的搭配使得最终烧结磁体综合磁性能优异;在HDDR制粉工艺实验中,本文对比了C-HDDR、V-HDDR、V-HD-S-DR和d-HDDR四种HDDR工艺对于三元NdFeB合金各向异性和磁性能的影响,得出结论:通过发展d-HDDR工艺,调整工艺参数和控制水平,可以使三元NdFeB合金磁粉的性能达到或接近六元NdFeBCoZrGa合金磁粉的水平,在文章末尾,还对配合使用d-HDDR工艺设备的改造进行了分析。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。