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Secondly, the more complex inner and outer flow field is simulated around axisymmetric body with pump-jet (including no tip-clearance flow) with stator and rotor, and the numerical results are approved reasonable and inerratic by the contrast of the thrust and torque of rotor and stator to the experiment under the unself-propelled and self-propelled conditions.

紧接着,分析了推进器在非自航状态和自航状态下的性能、导管内部轴向、径向和周向速度场、压力场在相互作用中的具体形态和结构,并定性地分析了它们对水动力噪声、空泡生成以及振动的影响,为减少这些不利影响明确了解决的办法,为泵喷推进器的工程设计提供了切实可行的理论分析方法和技术思想,对工程实际具有重要的指导作用。

Basing on the derived equation, a new mechanism for SGMF is proposed, in which the magnetic field is produced by the ionization front. In addition we discussed properities of the SGMF produced by ponderomotive force mechanism and by the inverse Faraday effect mechanism.

从Maxwell方程出发推导出一个描述自生磁场的相对论方程,以此为基础,研究了有质动力,逆法拉第效应机制下产生的自生磁场的特性,并提出了一种新机制—运动电离波前机制。

TQ series' rising a liquid to press system with the crest from the rise type tower derrick is my factoty and construction department, Chen2 Yang2 building machine graduate school,consociation develpment of product,used of from go up or tore down(namely increment or tore down the tower body basic stanza)of the liquid press motive system.

TQ系列自升式塔式起重机用顶升液压系统是我厂与建设部,沈阳建筑机械研究所联合开发的产品,用于自升塔机塔身升高或拆除(即增加工拆除塔身基本节)的液压动力系统。

Settlement characteristics are studied based on formula of suspended sediment settling velocity and previous research results. Results show that the suspended sediment flux quickly decreases from the Hangzhou Bay to the offshore area. Although the suspended sediments are primarily transported towards the offshore area, net transport towards the Hangzhou Bay is also found in the study area. The study area is basically located in hydrodynamic balance belt, and the suspended sediment transport is characteristics of reciprocating movement and small amount of net sediment discharge. The net suspended sediment transport is mainly controlled by average current transport, Stokes drift-induced transport and gravitational circulation transport. The advection transport effect gradually weakens and gravitational circulation transport evidently intensifies from Hangzhou Bay to the offshore area. Settling velocity of single particles is far smaller than that of floccules, so, influence of flocculation of suspended sediments must be taken into the consideration.

结果表明,研究区净悬沙通量自杭州湾内向外海迅速变小,悬沙总体由杭州湾向外海输运,但同时存在向杭州湾方向的净输沙;研究区基本处于水动力平衡带,悬沙输运具有往复搬运、净输沙量小的特点;平均流输运、Stokes漂移输运和垂向净环流输运是引起悬沙泥沙净输运的主要作用机制,自口门至外海,平流输运作用逐渐减弱,垂向净环流输沙在悬沙净输运中所占比例逐渐增加;舟山群岛海域既是杭州湾向东海输运泥沙的重要通道,也是东海沿岸流携带泥沙向南输运的过渡地带;研究区单颗粒泥沙沉降速度很小,远小于絮凝沉降速度,在研究本区悬沙沉降时必须考虑絮凝的影响。

The study area is basically located in hydrodynamic balance belt, and the suspended sediment transport is characteristics of reciprocating movement and small amount of net sediment discharge. The net suspended sediment transport is mainly controlled by average current transport, Stokes drift-induced transport and gravitational circulation transport. The advection transport effect gradually weakens and gravitational circulation transport evidently intensifies from Hangzhou Bay to the offshore area. Settling velocity of single particles is far smaller than that of floccules, so, influence of flocculation of suspended sediments must be taken into the consideration.Incipient velocity and transport flux of surface sediments are analyzed using formulas of incipient velocity and transport flux. Transport trend and controlling factors of surface sediments are studied by the method of grain size trend analysis.

结果表明,研究区净悬沙通量自杭州湾内向外海迅速变小,悬沙总体由杭州湾向外海输运,但同时存在向杭州湾方向的净输沙;研究区基本处于水动力平衡带,悬沙输运具有往复搬运、净输沙量小的特点;平均流输运、Stokes漂移输运和垂向净环流输运是引起悬沙泥沙净输运的主要作用机制,自口门至外海,平流输运作用逐渐减弱,垂向净环流输沙在悬沙净输运中所占比例逐渐增加;舟山群岛海域既是杭州湾向东海输运泥沙的重要通道,也是东海沿岸流携带泥沙向南输运的过渡地带;研究区单颗粒泥沙沉降速度很小,远小于絮凝沉降速度,在研究本区悬沙沉降时必须考虑絮凝的影响。

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: P42DC American AMTRAK the railroad company P42DC skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train +2 compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose!

最新到货的正版香港NewRay品牌合金车模: P42DC 美国AMTRAK铁路公司P42DC型干线列车模型,著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢,每个时代的AMTRAK的火车头都是美国经济发展的运输功臣,粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比,是全世界火车爱好者极力追捧的对象。1比87比例,锌合金+ABS工程塑料材质,超精致的漆面做工,一个独立动力车头+2节车厢,可随意拼装,独特的升降式自充电系统,使用4节普通的5号电池即可,充电一分钟即可让火车在轨道上奔驰3分钟,超长超多品种的自组装轨道,可自由组装任何你喜欢的轨道形状,轨道的最大直径可达到127.5厘米,内有8根直轨,10根弯道轨,并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道,绝对是你爱不释手的超酷好东东,更是馈送礼品的绝佳选择!

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: F7 American AMTRAK the railroad company F7 skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train + three compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose!

最新到货的正版香港NewRay品牌合金车模: F7 美国AMTRAK铁路公司F7型干线列车模型,著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢,每个时代的AMTRAK的火车头都是美国经济发展的运输功臣,粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比,是全世界火车爱好者极力追捧的对象。1比87比例,锌合金+ABS工程塑料材质,超精致的漆面做工,一个独立动力车头+三节车厢,可随意拼装,独特的升降式自充电系统,使用4节普通的5号电池即可,充电一分钟即可让火车在轨道上奔驰3分钟,超长超多品种的自组装轨道,可自由组装任何你喜欢的轨道形状,轨道的最大直径可达到127.5厘米,内有8根直轨,10根弯道轨,并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道,绝对是你爱不释手的超酷好东东,更是馈送礼品的绝佳选择!

Newest arrival of shipment legal copy Hong Kong NewRay brand alloy vehicle mold: F59PHI American AMTRAK the railroad company F59PHI skeleton line train model, the famous American AMTRAK nation railroad company has in the world quantity most railway engines and the compartment, each time AMTRAK railway engine all is the American economy development transportation person who has rendered meritorious service, the rough iron-covered front of a train and Europe's electric train fine forms clearly the opposite contrast, is object which the world train amateur pursues vigorously holds. 1 to 87 proportions, the zinc base alloy +ABS engineering plastics material quality, the ultra fine paint surface works, independent power front of a train +2 compartments, may assemble at will, the unique fluctuation type from the charge system, uses 4 ordinary 5th battery then, charges a minute then to let the train run quickly 3 minutes on the track, the ultra long ultra multi- varieties from assemble the track, but freely assembles the track shape which any you likes, track most large diameter may achieve 127.5 centimeters, in have 8 straight axles, 10 curves axles, And has the cross overlapping track, may transform the direction respectively toward to change a track 2 and the charge platform station and so on the special track east, absolutely is you is unable to put down ultra is very fond of east, is presents the present certainly good to choose !

最新到货的正版香港NewRay品牌合金车模: F59PHI 美国AMTRAK铁路公司F59PHI型干线列车模型,著名的美国AMTRAK全国铁路公司拥有世界上数量最多的火车头和车厢,每个时代的AMTRAK的火车头都是美国经济发展的运输功臣,粗犷的铁皮车头与欧洲的电气列车的精致形成截然相反的对比,是全世界火车爱好者极力追捧的对象。1比87比例,锌合金+ABS工程塑料材质,超精致的漆面做工,一个独立动力车头+2节车厢,可随意拼装,独特的升降式自充电系统,使用4节普通的5号电池即可,充电一分钟即可让火车在轨道上奔驰3分钟,超长超多品种的自组装轨道,可自由组装任何你喜欢的轨道形状,轨道的最大直径可达到127.5厘米,内有8根直轨,10根弯道轨,并配有十字交叉轨道、可变换方向的分向变道轨道2根和充电月台基站等特殊轨道,绝对是你爱不释手的超酷好东东,更是馈送礼品的绝佳选择!

Specifically, the cutting edge active safety technologies featured on the all-new Mazda 3 include ABS, Electronic Brake Force Distribution, Dynamic Stability Control and Emergency Stop Signaling system as standard equipments, and bi-xenon headlights with a pivoting adaptive front lighting system.

具体来说,先进的主动安全上全新的马自达3特色技术包括ABS,电子制动力分配系统,动态稳定控制系统和紧急停车信号系统作为标准设备,双氙气大灯与枢轴自适应前灯系统。

The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.

本文研究的主要内容如下:通过大量的计算、分析和对比,总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同,为深入了解异形截面柱的特点提供必要的基本概念和数据;通过大量的弹性及弹塑性计算分析,在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下,在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律,并在此基础上总结归纳出异形柱结构的最大适用高度规定,可用于规程,以便于在确定方案时起到宏观控制的作用;对肢长与肢厚比在4~5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨,提出初步的设计方法;通过对典型工程的弹塑性动力时程分析,检验异形柱结构的薄弱层及屈服、破坏、倒塌机制,以达到建筑物大震不倒的抗震设防要求;通过理论分析,推导出异形柱结构自振周期,以及适宜自振周期、适宜刚度的工程实用简化计算公式,为经济、安全、合理地确定结构方案提供简便实用的方法;在本文理论分析、计算以及大量的研究成果基础上,总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容,并在此基础上提出异形柱结构的抗震设计建议。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

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