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The experimental results show that the adsorption of benzoic acid in trinal system by crosslinked chitosan resin, the addition of salts serve as salting-out, the apparent adsorption rate constantk(subscript t is increased according with the concentration of external-added salts increased.

实验结果表明,交联壳聚糖树脂在三元体系中吸附苯甲酸,外加盐起盐析作用,使得其表观速率常数k(下标 t随着外加盐浓度的增大增大

The wave front of the ultrasonic wave can be changed by using the sound lens.

目前 ,增大超声波在岩层中传播距离的方法是增大超声换能器的功率。

Experimental results indicate that for the polystyrene particle with a larger size, Umf changes with p-0.3, and for the sand particle with a smaller size, Umf changes with p-0.21. An empirical equation about Umf is proposed based on the experimental data: Umf=μdp ρg{[(34.15)2+0.05916×dp3 ρggμ2]12-34.15} It is found that the bed expansion height increases with the increasing of gas velocity, and increases with pressure for fixed value of UUmf, when the pressure exceeds 0.7MPa, the influence of pressure on the bed expansion height is weakened.

研究结果表明,大粒径聚苯乙烯颗粒的Umf与p-0.3成比例,小粒径石英砂的Umf与p-0.21成比例,并根据实验值拟合出压力下最小流化速度公式为: Umf=μdp ρg{[(34.15)2+0.05916×dp3 ρggμ2]12-34.15}床层膨胀高度随气速的增大而不断增高,在相同UUmf下床层膨胀高度随压力的增大而增高,在大于0.7MPa时,压力对膨胀高度的影响减弱。

Seepage velocity smoothly change from a steady value to a new steady value, the ratio of the new steady value over the original steady value might increase hundreds of thousand times or even more, but it is always finite.(3)Water-inrush goes with the failure of rock strata, but seepage velocity can not increase unendingly, so seepage flow cant be unstable.

研究表明:由于非Darcy流β因子恒为正值,渗流系统总是稳定的;当渗透特性随时间变化时,渗流速度从一稳定值平滑地过渡到一新的稳定值,新的稳定值与原稳定值之比可以增大到几万至几百万倍,但是总是有限的;突水是岩层结构破裂引起的渗流速度快速或急剧变化,但渗流速度不可能无止境地增大,即渗流不可能失稳。

The thickness of the ice cover on the wall surface heat transfer is greater than the thickness of it on the air heat transfer form. The thickness of the ice cover on the wall surface heat transfer along the way changes slowly, but it on the air heat transfer along the way changes significantly. Reducing the entrance velocity, lowering the wall surface or air temperature, the formation of the thickness of the ice cover will increase; in the 3D circumstances, The thickness of the ice cover was relatively uniform in the import of the U-turn model, the ice cover was gradual accumulation in the convex bank when the stream traversed the import of the U-turn model, the thickness of the ice cover in the convex bank was significantly bigger than the thickness in the concave bank. The temperature field under the ice cover tends to be complex because of the existence of the secondary flows. The temperature in the convex bank is greater than it in the concave bank. Compared with the data from experiments, the laws in the numerical simulation are similar with them in the experiments

模拟结果显示:二维情况下,运用壁面传热形成的冰盖厚度大于运用空气传热形成的冰盖厚度,壁面传热形成的冰盖厚度沿程变化缓慢,而空气传热形成的冰盖厚度沿程变化明显,减小入口流速,降低壁面或空气温度等,形成冰盖的厚度都会增大;三维情况下,弯道入口处凸、凹岸形成的冰盖厚度基本相同,进入弯道后,凸岸形成的冰盖厚度逐渐增大,而凹岸的冰盖厚度逐渐减小,受横向环流的影响,冰盖下水流的温度场趋向复杂,并且凸岸的温度小于凹岸的温度;与实验室实验所得数据相比较,数值模拟研究得到的规律基本符合实验规律。

With the increasing of the overburden layer thickness or the dam height, the maximum value of response acceleration in dam body assumes gradually decrease, and its characteristic distribution is uniformization, and the response acceleration of the dam slopes decrease remarkably, and response acceleration of the dam top is less than the dam bottom.With the decreasing of the overburden layer thickness, the dam foots and their nearby soil response acceleration get increasing.

随着覆盖层厚度增大或坝高增大,坝体中的反应加速度最大值分布具有逐渐递减、均匀化的变化特征;坝坡体的反应加速度递减显著的变化特征,坝顶反应加速度较坝底反应加速度小的特征;覆盖层厚度越小,坡脚及其附近土体的反应加速度越大的特征。

Being different from conventional multimolecular micelle systems, the unimolecular micelle system of P(AMC14AB) not only shows critical micellar concentration (CMC=0),(i.e.once added to pure water, the surface tension decreases immediately in spite how small the density is), but also the surface tension stays almost the same with the concentration increasing.

P(AMC14AB)在溶液表面也发生表面吸附,使水的表面张力下降,即P(AMC14AB)也具有表面活性;随着浓度增大,表面吸附量增大,水的表面张力持续下降;当表面吸附达饱和时,表面张力~浓度曲线上出现突变点,该点定义为饱和的表面吸附浓度,而不应该再称为临界胶束浓度。

For a given total exposure dose, the diffraction efficiency of the diffraction grating first increases and then decreases with increasing the exposure intensity, and this effect becomes more remarkable with increasing the unsaturation concentration of polymeric binders.

高分子感光膜的衍射效率随着高分子载体折光率的增大而提高,同时其饱和曝光剂量随着感光膜体系中丙烯酸双键含量的增大而降低;单体良好的迁移性能及其与高分子载体良好的相容性都将大大提高感光膜的衍射效率。

The diameter of the rockbolt also has an effect on the mechanical properties. The larger is the diameter, the larger is the increasing of the moduli of the rock mass, but variation of the equivalent elastic constants are little.

锚杆直径增大而其他参数保持不变时,岩体锚杆支护系统复合材料的力学性质弹性模量随着直径的增大而有所提高,但等效强度常数变化幅度较小。

While the expansion of different fiber is different, usually at, its fiber diameter 30%, thelengths veinpuncture in crack,the in the direction of only 2%, so the business card printing and membership card manufacturing process of judging grain's vertical expansion of smaller, to landscape of 1/2 to 1/3 on the left and right, overprinter precision.

而不同纤维的膨胀情况不同,通常纤维膨胀时,其直径增大30%,而长度方向仅增大1~2%,因此制卡和会员卡制作过程中顺丝绺的纵向伸缩量较小,为横向的1/2~1/3左右,对套印精度影响不大。

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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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