查询词典 dissipation

The study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy-dissipation capacity of D shape and K shape eccentrically braced steel frames have been some studied before. This paper fills the black in the filed factor of high-span ratio, brace stiffness and brace-to-beam connections to be changed affectenergy-dissipation capacity of D shape and K shape eccentrically braced steel trames and any factor to be changed affect energy-dissipation capacity of Y shape eccentrically braced steel frames.

对耗能梁段的长度、耗能梁段腹板的厚度、耗能梁段翼缘的厚度、耗能梁段加劲肋的间距、耗能梁段加劲肋的厚度、支撑的夹角等因素的改变对D形、K形偏心支撑钢框架耗能的影响，前人已有一些研究，本文对这些因素的影响进行了全面系统的分析，完善了理论分析的不足；而结构高跨比、支撑刚度、支撑与梁的连接形式等因素对D形、K形偏心支撑钢框架破坏机理的研究以及各种因素对Y形偏心支撑钢框架破坏机理的影响，则很少有人涉及，本文对此也进行了深入系统的分析，填补了这一研究空白。

The aluminum groove used for heat dissipation is extrusion molding by 6030 aluminum ,and through anodize precessing technic ,with scientific struction for heat dissipation design ,which can solve the problem of heat dissipation efficiently , and can longer the life-span of LEDs , In addition ,the driver power utilize constant current IC driver ,which can asure the precise of power output and the stability during the couse of using .

散热铝槽采用6063铝挤出成型，经过阳极氧化等加工工艺处理，加上科学的散热结构设计，有效解决灯管散热难的问题，大大提高 LED 使用寿命。驱动电源采用恒流 IC 驱动方案，电流输出的精度高，确保 LED 使用的稳定性。

The Ф_,Fv/Fm and qP were increased but qN was decreased with increasing of chlorophyll a,the rate of heat dissipation was increased with the increasing of chlorophyll b,and the carotinoid increasing enhanced the rate of heat dissipation of dryland and carbon assimilation of irrigated cultivar.

提高叶绿素a含量能显著提高叶片ФPSⅡ、Fv/Fm、qP和降低qN；叶绿素b含量的升高能显著增强热耗散，增加类胡萝卜素含量则促进水地品种叶片光能的光合碳同化作用和旱地品种的热耗散。

The Φ(subscript PSⅡ), Fv/Fm and qP were increased but qN was decreased with increasing of chlorophyll a, the rate of heat dissipation was increased with the increasing of chlorophyll b, and the carotinoid increasing enhanced the rate of heat dissipation of dryland and carbon assimilation of irrigated cultivar The Φ(subscript PSⅡ) and qN of dryland cultivar treated by control were higher than that of irrigated cultivar in jointing stage significant, indicating that the characteristics of drought-resistantce of winter wheat could be displayed in the jointing stage, and the drought-resistant capability could be increased by enhancing the practical photochemistry efficiency and heat dissipation in jointing stage.

拔节期对照处理的旱地品种的Φ和qN显著高于水地品种，在该时期品种抗旱性差异表现较为明显，能够通过提高光合机构实际光化学效率和热耗散来增强光合机构对干旱的适应能力。

The generalized force consists of the generalized conservative force, the generalized dissipation force and the generalized force in correspondence with the generalized coordinate except the generalized conservative force and the generalized dissipation force.

基于非自治有阻尼系统推导了第二类Lagrange方程，使用虚功原理，给出了广义力的求解方法，广义力由广义保守力、广义耗散力、除广义保守力和广义耗散力以外的对应于广义坐标的广义力这3部分组成。

The VE materials have the damping character that the strain is delayed to the stress, so the VE damper and energy dissipation brace are basically a kind of velocity dependent device of suppressing vibration and energy dissipation which can be used in aseismic and wind-resistant design.

粘弹性材料具有应变滞后于应力的阻尼特性，由它构成的粘弹性阻尼器及消能支撑是一种基本上与速度相关的减振装置，可用于抗风振也可用于抗震。

In the deformation analysis, equilibrium hyperelastic constitutive equations which are obtained by our experiments are applied; In the dissipation energy analysis, dissipation energy is calculated by combining the stress-strain distributions derived from the deformation analysis and viscous dissipation characters; In the heat transfer analysis, combining temperature on tire side tested by drum test, a numerical inverse method is described for determining the heat convection boundary on tire side.

变形分析中，采用了平衡态的超弹性材料模型；损耗分析中，依据变形分析获得的应力应变场，结合材料粘性损耗特性来获得损耗能量；热传导分析中，依据实测的轮胎胎侧温度场，提出了一种基于实验的数值反演方法来确定胎侧的对流热边界条件。

The study essence of barrage effect in the level rotary internal energy dissipation discharge tunnel is seeking a complex internal energy dissipation, which can reach a good energy dissipation effect, and try not to happen cavitate, and is rational in economic, feasible in technical, and try not to reduce discharge.

水平旋流内消能泄洪洞阻塞效应研究的实质是，寻求一种尽量不发生空化，又能达到良好的消能效果，在经济上合理，在技术上可行，而且又尽可能不降低泄流量的复合式内消能仁。

Therelationship between the turbulent kinetic energy and its dissipation rate,whichis widely used to parameterize the dissipation rate in turbulence closure models,is found to hold well for both reversing and rotating flows,but with differentcoefficients.Microstructure profiling measurements at two comparative stations (a deepercentral basin and a local shelf break) in the stratified Yellow Sea are analyzed,with emphasis on tidal and internal-wave induced turbulence near the bottomand in the pyenocline.The water column has a distinct three-layer thermohaline structure,consisting of weakly stratified surface and bottom boundary layers anda narrow sharp pycnocline.Turbulence in the surface layer is controlled by thediurnal cycle of buoyancy flux and wind forcing at the sea surface.while thebottom stress induced by barotropic tidal eurrents dominates turbulence in thebottom boundary layer.The maximum level at which the tidally enhanced mixingcan affect generally depends on the magnitude of the tidal current,and it canbe up to 10-15 m in the Yellow Sea.This suggests that,in the deeper regionsof the shelf seas,turbulent dissipation and mixing are very weak at the levelsbetween the near-bottom tidally enhanced layer and the pycnocline.Therefore,these levels provide a significant bottle neck for the vertical exchanges.In theshallow regions,however,the tidally-induced turbulence can occupy the wholewater colum below the pycnocline.A quarter-diurnal periodicities of the turbulentdissipation rate and eddy diffusivity are found at different heights with evidenttime lag.In the relatively flat central basin,the pycnocline is essentially non-turbulent and internal-wave activity is very weak.Therefore,vertical fluxes acrossthe pycnocline decreased to molecular levels.In contrast,internal waves of variousperiods can be always found near the local shelf break.

对强层化季节黄海两对比性站位(分别位于中央海盆区与局地陆坡区)处层化、内波以及湍流混合特征的研究结果表明：1、强层化季节的陆架海水体一般呈现显著的三层热盐结构，在水体近乎混合均匀的上混合层与潮流底边界层之间为强跃层；2、近表层水体的湍流混合强度主要由海表浮力通量的日变化与海表风强迫控制，而在潮流底边界层内，潮混合是水体热量、物质、动量与能量垂直交换的主要机制；3、潮混合影响的深度由潮流大小决定，在黄海，一般可达10-15 m，因此，在水深较深的区域，在跃层与潮混合所至深度范围的上界之间存在湍流混合非常弱的区域，这显著抑制水体内物质的垂直通量，为物质垂直交换的瓶颈，而在水深较浅的区域，潮混合影响范围可至跃层底部，因此物质在跃层以下整个水体中混合非常均匀，当跃层内间歇性强混合发生时，可以产生显著的跨跃层物质输运；4、近底潮致强湍流耗散缓慢地向上传播，底上不同深度处垂直湍扩散系数也具有显著的位相差异，且二者均随时间呈现四分之一周日周期的变化；5、在地形较为平坦的中央海盆区，内波活动非常微弱，因此跃层内湍流混合非常弱，垂直扩散系数为分子扩散水平，跨跃层物质通量受到显著抑制，而在地形变化较为显著的局地陆坡区，内波活动非常活跃，除内潮的影响外，高频内波与内孤立波的影响也很显著，因此跃层内存在很强的间歇性强混合，内孤立波存在的区域，水体湍流混合显著增强。

In this thesis, downstream energy dissipation and erosion control problem of Yingping power station is studied in the concrete, building the unitary hydraulic model in the laboratory. The scale of this model is 1:40. The energy dissipation effect of this layout in preliminary design is validated and optimized by model experiment. During the test, setting assistant energy dissipation training frusta is put forward and the energy dissipation problem of the project is well settled.

本文以阴坪水电站消能防冲问题为具体研究对象，在实验室建立几何比尺为1：40 的正态水工整体模型，对其初步设计的消能布置方案的消能效果进行模型试验验证与优化研究，提出了设置辅助消能工导流墩的方案，很好地解决了该工程的消能防冲实际问题。

So that more consumers can enjoy more delicious quality, technology is even better than wine.

让更多的消费者可以品尝到品质更为鲜美，工艺更为精湛的葡萄酒。

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