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Today there are a number of cold recycling agents along with the various types of emulsions that restore the old asphalt cement to very near its original characteristics.

今天有大量的冷再生药剂连同不同类型的乳液可以使旧的沥青料恢复到其原有的性能。

Network and PABX system management, performance tuning, database backup and recovery;?

网络与PABX系统的管理,性能优化,数据备份与恢复;?

Thirdly, a new type base isolation system, i. e., slide-limited friction base isolation system is presented in this paper. Based on this system, harmonic and subharmonic periodic response of S-LF subjected to harmonic motion is investigated by using Floquet theory. Dynamic response of sliding structure subjected to earthquake ground motion is calculated with a precise high order direct integration method, and the numerical results are presented in terms of maximum acceleration response spectra of supcrstructure and maximum sliding displacement response spectrum. By comparison with isolating effects of pure-friction base isolation system and resilient-friction base isolation system , it shows that the isolating characteristic of S-LF is superior to P-F and R-FBI. Through analyzing an engineering example, it is observed that the maximum inter-storey shear force and absolute acceleration of sliding structure to earthquake ground motion are very different from those of traditional structures.

提出了一种新型基础隔震模型,即带限位装置的摩擦隔震体系;基于此隔震模型,利用Floquet理论研究地面谐运动下S-LF结构的运动特性;并利用高精度的精细时程积分法,通过对地震作用下S-LF动力响应的计算,绘制了上部结构最大加速度反应谱和基底最大滑移量反应谱,并研究了各种结构参数对隔震的影响;通过与恢复力摩擦隔震系统和纯摩擦力滑移隔震系统的比较表明,S-LF的隔震性能优于P-F和R-FBI;对计算实例的分析发现,地震作用下S-LF结构的层间最大剪力和最大绝对加速度反应分布较一般传统结构有很大区别。

Dynamic response of sliding structure subjected to earthquake ground motion is calculated with a precise high order direct integration method, and the numerical results are presented in terms of maximum acceleration response spectra of supcrstructure and maximum sliding displacement response spectrum. By comparison with isolating effects of pure-friction base isolation system and resilient-friction base isolation system , it shows that the isolating characteristic of S-LF is superior to P-F and R-FBI. Through analyzing an engineering example, it is observed that the maximum inter-storey shear force and absolute acceleration of sliding structure to earthquake ground motion are very different from those of traditional structures.

提出了一种新型基础隔震模型,即带限位装置的摩擦隔震体系;基于此隔震模型,利用Floquet理论研究地面谐运动下S-LF结构的运动特性;并利用高精度的精细时程积分法,通过对地震作用下S-LF动力响应的计算,绘制了上部结构最大加速度反应谱和基底最大滑移量反应谱,并研究了各种结构参数对隔震的影响;通过与恢复力摩擦隔震系统和纯摩擦力滑移隔震系统的比较表明,S-LF的隔震性能优于P-F和R-FBI;对计算实例的分析发现,地震作用下S-LF结构的层间最大剪力和最大绝对加速度反应分布较一般传统结构有很大区别。

Not considering subsample, these two filter banks retain more image details and better direction selectivity.

这两种全相位方向滤波器组不对图像下采样,保留了图像方向的细节信息,具有更好的方向选择性能且在恢复时,不需要重建滤波,方法简单;在对Contourlet变换的分级研究中,建立了一种全相位分级方法,由于全相位子带分解的优异性能,使得这种分级方法优于拉普拉斯金字塔分级方法。

In order to make clear the phenomenon of current zero in the arc-quenching chamber of deion plates, the process of dielectric recovery and reignition of short arc between iron plates is investigated, and then the dielectric recovery strengths of various chambers are measured and compared. The different characteristics near current zero in the deion plate chambers are also analyzed based on experiments in the paper.

为弄清栅片灭弧室内电弧电流的过零过程,专门研究了不同条件下栅片间低压短弧的介质强度恢复过程和电弧重燃过程,然后测量了多纵缝和栅片灭弧室的介质恢复强度,对比了它们的熄弧性能,在试验的基础上,分析了栅片灭弧室中电弧电流的过零特征。

Three types of base asphalt and six SBS were used to produce SBS modified asphalt. The interaction of SBS modified asphalt was discussed in different states between the base asphalt and SBS based on their compositions. Through the traditional tests, such as penetration, soften point and ductility, and US SHRP tests, the results indicated that influences to affect the temperature susceptibility, high and low temperature performance, aging characteristics are base asphalt, SBS types and their dosages. The functions of penetration to viscosity and complex shear modulus G~* to complex dynamic shear viscosity η~* were set up, and then theviscosity-temperature susceptibility of wide temperature span and the calculation method of low temperature viscosity were obtained."Process" evaluation criterions, high grading critical temperature T_ and low grading criticaltemperature T_ , were suggested according to the high and low temperatureperformances of SBS modified asphalt. Using the experience of Repeated Creep and Recovery Test for Binders, a new high-temperature evaluation index,modification rutting factor G~*~(-9) was obtained. The results after RTFO and PAV aging indicated that traditional tests didnt differentiate base asphalt and SBS modified asphalt, but dynamic mechanics temperature spectrum and G*-5 black chart clearly reflected the influence of aging to the SBS modified asphalt. With the IR and GPC tests, the reason of aging to the SBS modified asphalt were due to asphalt phase oxygenated and SBS phase depredated.

论文选择3种油源的基质沥青和6种SBS改性剂制备改性沥青,通过分析基质沥青和SBS改性剂的组成结构特点,得出了不同状态下SBS改性沥青的SBS与基质沥青的相互作用机理;通过针入度、软化点、延度等常规试验以及美国SHRP试验,分析了基质沥青、SBS改性剂类型与剂量对SBS改性沥青的温度敏感性、高低温特性及老化特性的影响;建立了针入度-粘度、复数模量G~*-复数粘度η~*的换算关系,得出了宽温度域的粘温指数VTS和较低温度下粘度的计算方法;通过高低温性能分析提出了&过程&评价参数高温等级温度T_和低温等级温度T_;借鉴重复恢复与蠕变试验研究成果,得到了SBS改性沥青高温评价指标改进型抗车辙因子G~*~(-9);RTFO和PAV老化后的性能试验结果表明,常规试验难以区分SBS改性沥青与基质沥青的差异,而动态力学温度谱、G~*-δ黑斑图可以反映老化作用对SBS改性沥青的影响,且通过IR试验和GPC试验得出SBS改性沥青老化是沥青相的氧化和SBS的降解共同引起的;通过不同温度下SBS改性沥青混合料的旋转压实SGC试验,根据粘度与剪变率的关系,提出用剪变率60(1/s)测试SBS改性沥青的粘温曲线,并按照0.17±0.02Pa.s和0.28±0.03Pa.s确定施工温度。

It is well known that the gettering dwell time of rapid thermal phosphorous gettering is too shorter to dissolved impurities and precipitate of transitional metals in the silicon matrix and diffused to the gettering sites.

恒温磷扩散对于在中、低温(低于900℃以下)时铁的沾污有明显的吸杂作用,可以很好的恢复和提高材料的电学性能,特别在磷扩散吸杂后再结合进行氢钝化处理可大大的改善材料性能。

The conveyed medium can't be leaked outside. Thus it will not cause the environmental pollution and human body safety dangerous while exhausting the toxin and flammable or corrosive medium. 5、No electricity. It's safe and reliable while using in the flammable and explore places. 6、It can be soaked in medium. 7、It's convenient to use and reliable to work. Only open or close the gas valve body while starting or stopping. Even if no medium operation or pausing suddenly for long time because of accident matters, the pump will not be damaged caused by this. Once over-loading, the pump will automatically stop and possesses the self-protection function. When the load recovers normally, it also can start automation. 8、Simple structure and less wearing parts. This pump is simple in structure, installation and maintenance. The medium conveyed by the pump will not touch the matched pneumatic valve and coupling lever etc. not like other kinds pumps, the performance will drop down gradually because of the damages of rotor, gear and vane etc. 9、It can transmit the adhesive liquid (the viscosity is below 10000centipoise) 10、 This pump needn't the oil lubricant. Even if idling, it has any influence to the pump. This is a characteristic of this pump.

所以抽送有毒、易挥发或腐蚀性介质时,不会造成环境污染和危害人身安全; 5、不必用电,在易燃、易爆场所使用安全可靠 6、可以浸没在介质中工作 7、使用方便、工作可靠、开停只需简单地打开和关闭气体阀门,即使由于意外情况而长时间无介质运行或突然停机,泵也不会因此而损坏,一旦超负荷,泵会自动地停机,具有自我保护性能,当负荷恢复正常后,又能自动启动运行; 8、结构简单、易损件少,该泵结构简单,安装、维修方便,泵输送的介质不会接触到配气阀,联杆等运动部件,不像其他类型的泵因转子、活塞、齿轮、叶片等部件的磨损而使性能逐步下降; 9、可输送较粘的液体(粘度在1万博以下); 10、本泵无须用油润滑,即使空转,对泵也无任何影响,这是该泵一大特点

Also, triple-line skeleton curve was obtained, which provide base for analyzing this kind of shear walls.

其次通7片纵横配筋的高强砌块配筋砌体高悬臂剪力墙的恢复力试验,考查了竖向荷载、剪跨比、水平配筋对该种剪力墙破坏形态的影响,以及该种墙片的强度、刚度、延性性能及能量耗散能力,并且与钢筋混凝土剪力墙相比较,得出配筋砌体剪力墙抗剪时与钢筋混凝土剪力墙的破坏形态、延性等相近的结论,由试验得出的骨架三折线,也为今后分析该种墙体的抗震性能提供了依据。

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推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。