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能量损耗率
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  “能量损耗率”译为未确定词的双语例句
     The transport behaviour of electrons in alloy and composite materels is described and calculated in this paper. Investigations on the distribution of scattering angle and the energy loss are made.
     文中叙述并计算了电子在合金及复合材料中的输运行为、研究了散射的角分布及能量损耗率,计算了次级电子效应,得到了电子能耗的空间分布。
短句来源
     The energy density of the supercapacitors with KOH as electrolyte is 1.16 Wh/Kg and the capacitance decay less than 20 % after over 50 000 cycles is obtanied under large discharge current condition. They can work at temperatures from-20 ℃ to 80 ℃. After 500 days on the shelf,the capacitance remains unchanged.
     其能量密度可达1.16W h/Kg,5万次充放电循环后能量损耗率小于20%,且功率特性好,内阻和漏电流小,能够在-20℃~80℃下正常工作,保存500d后性能基本上没有衰减。
短句来源
     Rate of power system energy losses is an important and complicated economic and technical index which reveals the level of programming,production and management of power system. So theoretical loss is usually used to guide the operation of the network.
     电网能量损耗率是电力企业的一项重要综合性技术经济指标,反映了电力网的规划设计、生产技术和运营管理水平,因此理论损耗计算对于生产和管理具有重要的指导意义。
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  相似匹配句对
     Energy Loss of the Eccentric Collision
     偏心碰撞的能量损耗
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     Energy Dissipation of Population of Cyclobalanopsis glauca .
     青冈种群的能量损耗
短句来源
     the loss module for analysing the energy loss and the heat build-up in tire;
     损耗模块,进行轮胎的能量损耗和热生成分析;
短句来源
     The energy release rate is always positive.
     能量释放总为正值。
短句来源
     The Non-linesr Energy Rate Fracture Criterion
     非线性能量断裂判据
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  rate of energy loss
The rate of energy loss by photon emission has been estimated.
      
A recent application of the theory to the FermiLab E772/E866 experimental data, determining the rate of energy loss of a quark propagating in the medium to be 2 to 3 GeV/fm, will be reviewed.
      
Rate of energy loss for positive and negative pions
      
Any possible difference in the rate of energy loss must have saturated at a much lower momentum.
      
Competitive rate of energy loss mechanisms evidenced in high-field electron drift velocity in Si at 30 °K
      
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  specific energy loss
Using a Cf252-fission source and two semiconductor detectors in 180°-position the specific energy loss of heavy ions in A1-, Ag-, and Au-foils was measured.
      
It is required that range data and three values of the specific energy loss are taken from computed tables available in the literature.
      
Charged kaons were identified in the central tracking detector using their specific energy loss in the drift chamber gas.
      
Particle identification was based on specific energy loss along particle tracks.
      


Taking the middle and lower reaches of the Yangtze River as a typical example, this paper deals with the problem about the formation and evolution of braided,channel with stable island.Two fundational requirements are necessary for the formation of braided channel with stable island. 1. Sediments are deposited in the centre of a river, 2. Deposited sediments become some srable deposit bodies with a cetrain shape.In order to attain these requirements it is necessary that various conditions of the river itself,...

Taking the middle and lower reaches of the Yangtze River as a typical example, this paper deals with the problem about the formation and evolution of braided,channel with stable island.Two fundational requirements are necessary for the formation of braided channel with stable island. 1. Sediments are deposited in the centre of a river, 2. Deposited sediments become some srable deposit bodies with a cetrain shape.In order to attain these requirements it is necessary that various conditions of the river itself, including geological, geomorphological and boundary conditions, coming water and coming sediments should be combined in a certain way, In the middle and lower reaches of the Yangtze River these conditions are as follows.1. The geomorphological condition with alternate wide and narrow seetions. This brings about the difference of stream power along the river and then the difference of depositing places. Besides, the free shift of the channel in lateral direction is also confined.2. Different geologic structures along the river. It is discovered from the data of natural conditions and experimental researches that crustal subsidence favours the widening of the channel and the formation of central bars or islands, while crustal uplift cuts down the channel and forms straight and single channel.3. The moderate erodibility of the channel boundary makes the channel moderately widened and sediments deposited in the centre of the river.4. For the properties of the coming sediments there must be a suitable proportion between the rolling and suspended materials, i.e. the former occupies 13.7% and the latter 25.7%. This makes the deposited sediments become a stable island. From a lot of historical records and real measured material, we obtainthe evolutional law of the braided channel with stable island as follo'ws.1. At first a lot of piecemeal central bars are formed in the river, then they gradually combine with each other, develop and become islands, and then move down-stream; or side bars are formed and cut by the flow and become central bars, and then the above sequence goes on repeatedly.Thus is the general law of the formation and development of the braided channel with stable island.2. After the braided channel with stable island is formed, the status of every branching channel changes alternatively itself, some develop and others weaken or even die off, then new branching channel is formed again.3. The period in which the alternation between the main channel and the branching, channel is performed is relatively long, from decades to hundreds of years, so the braided channel possesses relatively stable property.The internal-mechanism of the formation and evolution of braided channel with stable island can be explained by the hypothesis that a river has a tendency to minimize its rate of energy dissipation. Depending on the concrete conditions of a river and its changes, it can adjust itself to achieve this purpose. The concrete conditions of the Yangtze river are just the case to force the channel to become a braided one with stable island by means of automatic adjustment.

本文根据多年的地质、地貌,来水来沙等考察资料,河道变迁的历史记载以及实验研究成果,分析了分汊型河床的两个必要条件及三方面的演变特征,最后用河流力图使自己的能量损耗率达于最小的假说对汊河的形成和演变作了解释。

The transport behaviour of electrons in alloy and composite materels is described and calculated in this paper. Investigations on the distribution of scattering angle and the energy loss are made. The calculation for the effects of the knock-on electrons and the spatial distribution of the electron energy dissipation are also presented And finally the space-time distributions of pressure in solids are obtained from the thermodynamics properties of materials.

文中叙述并计算了电子在合金及复合材料中的输运行为、研究了散射的角分布及能量损耗率,计算了次级电子效应,得到了电子能耗的空间分布。利用材料的热力学特性获得了固体中压力时空变化的分布。

Through deriving two approximate first integral from the motion equation and the vorticity equation, this paper obtains the breaking condition of original wave surface and the formate of breaking wave surface. Based on these two results, a new breaking wave statistic model is derived. It depends on phase velocity, surface par-tical velocity of random wave as well as wind drift velocity of wave surface.In the case of narrow-band spectrum, joint distribution function of random phase velocity and random partical...

Through deriving two approximate first integral from the motion equation and the vorticity equation, this paper obtains the breaking condition of original wave surface and the formate of breaking wave surface. Based on these two results, a new breaking wave statistic model is derived. It depends on phase velocity, surface par-tical velocity of random wave as well as wind drift velocity of wave surface.In the case of narrow-band spectrum, joint distribution function of random phase velocity and random partical velocity is derived. Analytical expressions of breaking area, volume and energy loss are also derived, which depend on zero, first and second moment of wave spectrum as well as average surface wind drift velocity.Based on the above basic statistic and the defination of white cap, the coverage rate of white cap is obtained which is also related to wind drift velocity.

由运动方程和涡度方程所导得的两个首次积分估计给出了海波破碎的发生条件和破碎波的波面限制。由这两个条件所构造的新的破碎波统计模式,可导出海波的破碎面积率、破碎体积率和破碎能量损耗率的解析表达式,加之一个简单的白冠物理模型又导出了一个新的白冠覆盖率的解析表达式。

 
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