文中同时指出立管由于局部屈曲后所产生的临界层现象。
In this paper, the inner-layer of the riser after local-buckling also describes.
本文用可控热脉冲输入临界层的方法研究了平板层流边界层的稳定性与转捩。
An experimental study on the laminar boundary layer instability and transition was carried out in a flat-plate boundary layer by means of controllable heat pulsing introduced into the critical layer.
平行切变流的临界层一般分为三类:粘性临界层、非线性临界层和非定常临界层。
The critical layers of waves in parallel shear flow are generally classified into three kinds: viscosity critical layer, nonlinear critical layer, and non-steady critical layer.
——这种有机单分子层的化学性并不是临界的;开关与许多不同的分子一道起作用,开关也能与许多不同的自我组装分子电子系统一块使用。
The chemistry of the organic monolayer is not critical; the switch works with many different molecules and so can be used with many different self-assembled molecular electronics systems.
当这种电压增加到临界水平时,银离子形成并很快分支生长穿过该有机单分子层到达那根金线,整个过程就像是一个晴天霹雳——固体除外。
When the voltage is increased to a critical level, silver ions form and quickly branch through the organic monolayer to the gold wire just like a lightning bolt except solid.
当铜合金表面的电镀纯铜层厚度超过一个临界值,表面电镀纯铜处理可以明显改善材料的耐氧化剥离性。
As the electroplating pure copper layer on copper alloy exceeds a critical thickness, the surface electroplating treatment can improve the copper alloy's resistance against oxidation failure greatly.
这种模型能确定与炸药临界起爆相关的参数,诸如沉积的激光能量、烧蚀层和飞片的厚度以及飞片飞行的距离等等。
This model can be used to determine parameters related with critical initiation of explosive, such as deposited laser energy, thickness of ablation layer and flyer, flying distance and so on.
较强内潮在陆坡区超临界地形上生成,并沿波射线方向传播,导致半日潮和全日潮的能量密度在陆坡区温跃层上较强。
The semi-diurnal and diurnal internal tide energy densities are large on the continental shelf and in the thermocline of the deep sea.
同样输送速度一定,混合此高至使粉尘物料在管道底部形成永久性沉淀层时,这时的混合比即为临界混合比。
Likewise, permanent sediment layers are formed with the fixed conveying speed and a certain higher degree of mixing ratio which called as Critical mixing ratio.
要给水果和蔬菜加湿,这样它们不至于变得太干,最好的时机是在它们存储前,一旦它们达到适合存储的‘临界温度’,就在它们上面覆盖一层塑料。
Wet the fruits and vegetables so they do not become too dry. The best time to do this is before storage. Cover the items in plastic once they reach the right "critical temperature" for storage.
临界流入风量比主要取决于结构参数和料层情况。
The critical ratio of inflow mainly depends on the constructional parameters and packed bed conditions of PSF.
面板采用对称铺层、等高度蜂窝夹芯,利用能量法对临界载荷进行了计算并给出了一些计算曲线。
The faces are symmetrical and the height of cores is constant. In this paper, critical loads are evaluated using energy method. Some calculative figures are given.
同时,说明了污染物临界高度和烟囱临界高度对山体高度、逆温层强度和地面水平风速的依赖关系。
At the same time, the dependence of the critical heights of pollutant and chimney on the height of hill, intensity of inversion and ground horizontal wind speed are shown.
运用这种方法对单层介质和二层介质的临界问题以及单层介质非临界问题进行了求解,而且得到了较满意的数值解。
For monolayer and two-layer spherical critical problem and for monolayer noncritical problem, the application by this approach gives the corresponding solutions and satisfactory numerical results.
将超导弦孤子模型的层间耦合作用作为提高多层氧化物超导体临界温度的一种模写,结果表明。
The interlayer coupling of superconducting string soliton model ACTS as a description of critical temperature enhancement in multilayer oxide superconductors.
根据振动流化床床层动力学特性,提出了第一、第二流化段,第一、第二临界流化速度的概念。
According to the dynamical characteristic of the vibrated fluidized bed, the first and second fluidization stages and the first and second critical fluidization velocities were put forward.
储层孔隙结构越好,测试产能越高,临界水饱和度越高,其对应的有效孔隙度下限越低。
The better the pore structure of reservoir, the higher the tested productivity and the critical water saturation, the lower the correspondent cutoff of effective porosity.
本发明提供地质聚合物组合物,该地质聚合物组合物旨在用于二氧化碳注入或生产井或者储层并且优选用于超临界二氧化碳情况。
The invention provides geopolymeric compositions intended for use in carbon dioxide injection or production wells or storage reservoirs and preferably in a supercritical carbon dioxide conditions.
理论上从阻抗失配效应的临界密度公式,推导出了烧蚀层的临界厚度,并推广到飞片的情形,提出了烧蚀层厚度对飞片速度和稳定性的影响规律。
We deduce the formula of the critical thickness of ablator, and put forward the rule of how the thickness of ablator affect the velocities and the stability of flyer.
屈曲临界载荷随着纤维刚度系数的增大而增大,脱层屈曲的临界载荷与纤维刚度系数近似成线性关系。
The relationship of critical buckling load and fiber bridge stiffness are approximately linear. The greater the fiber bridge stiffness, the smaller the buckling region.
本文从准二维玻色凝聚出发,研究了层状高温超导氧化物材料中,层厚度和氧空位对临界温度的影响。
Starting from the quasi-two dimensional Bose condensation, we studied the influence of layer-thickness and ox gen-vacancy on the critical temperature T_c in real high-T_c, superconductors.
适宜采用微型涡流发生器对超临界翼型边界层分离进行控制,其最佳位置应在分离线前2~5H涡流发生器高度之间。
The experimental results also show that the optimum effective position range was found to be 2H to 5H of micro vortex generator height upstream of baseline separation.
临界温度附近的吸附机理低压下为单分子层,高压下转变为多分子层; 远离临界温度时吸附机理仅为单分子层。
Near the critical temperature, mono-layer wasoccurred at low pressure , and followed by multi-layer adsorption as the pressure increased.
在电离层风暴期,现存的电离层F2层临界频率预测方法不能满足实际应用的要求。
During ionospheric storm periods, the existing prediction methods for the critical frequency of ionospheric F2 layer(foF2) can not satisfy the requirements of the practical applications.
以此分析了炽热平板层流边界层内可燃气流的引燃,给出了描述引燃的着火临界条件。
The ignition process of combustible gas stream by a heated plate in the laminar boundary layer was analytically considered and the limits of ignition were determined.
给出了脱层屈曲临界载荷、挠度曲线与脱层半径、搭桥因子等的封闭关系式。
The closed form solutions of the critical load and the deflection contour of the delamination buckling decided by delamination radius, and the bridging factor are obtained.
张家沟剖面沉积连续、暴露完全、化石极为丰富,是建立侏罗白垩系临界阶陆相层型和研究界线划分的理想剖面。
So the Zhangjiagou section is an ideal candidate section for erecting the terrestrial stratotype and studying the Jurassic-Cretaceous boundary in China.
具体储层的临界流速,油井出砂率,挡砂层的挡砂率是该技术的成功核心。
The critical flow velocity of reservoir, sand production rate of oil well and sand control rate of sand retention layer are the key of the technology that is successfully used.
具体储层的临界流速,油井出砂率,挡砂层的挡砂率是该技术的成功核心。
The critical flow velocity of reservoir, sand production rate of oil well and sand control rate of sand retention layer are the key of the technology that is successfully used.
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