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Studies formation of the natural convection for different initial water temperature (higher or lower than the point of density inversion) and their effects on the ice layer increasing.

调查了在高于或低于密度逆转温度点的不同初始温度下自然对流形成的情况,及其对水平叠置恒壁温三圆管外冰层形成过程的影响。

A dysfunctional Japanese economy, super low interest rates, a ballooning deficit and plenty of government jawboning have done little to weaken the currency.

日本经济目前出现了功能性障碍,超低的利率、不断膨胀的预算赤字以及政府大量的游说都未能对削弱日圆汇率起到什么作用。

For bulk cylinder-forming diblock copolymers, a series of novel structures such as helices and stacked toroids are identified which cannot form in bulk block copolymers.

对体相形成柱状相的双嵌段共聚物,在不同孔径的孔内我们观察到了一系列体相不存在的螺旋和层叠圆环等新奇结构。

Using immuno-histochemical, tissue cultural and immuno-electron microscopic methods, based on nerve-endocrine-immune net, the dynamic changes of 4 brain-gut peptides and 6 inflammation factors of excised saccalus rotunds of rabbit stimulated by germs, LPS, exotoxin were observed.

本研究以神经-内分泌-免疫网络学说为依据,运用免疫组织化学的方法,结合组织培养技术、免疫电镜技术等,对离体兔圆小囊受到大肠杆菌等4种细菌、内毒素、外毒素等抗原刺激后,其组织内的4种脑肠肽和6种炎症相关因子表达量的动态变化进行了系统观察研究。

Young branchlets, peduncles, and pedicels with dense and very short brown stiff hairs; leaf blade widely elliptic to orbicular; secondary veins in 3 or 4 pairs.

幼枝,花序梗和花梗具紧密的和非常短棕色硬的毛;叶片宽椭圆形到圆形;用3或4 对的次脉。 20 C。 kusanoi 圆叶南蛇藤

To realize the goal of collecting rainfall and keeping fertilizer, this design uses a ridge-like rolling wheel with adjustable spring to compact ridge, and through adjusting the force of spring to form water flow barrier with different compaction intensities.

利用单圆盘起垄覆盖施肥带,并采用仿垄形加压式镇压器对垄面进行镇压,通过改变弹力来实现镇压力的调整,形成不同紧实度的水分运动障碍层,达到集雨保肥的作用。

By making reasonable assumptions about the mechanical boundary conditions of orthogonal cutting,a slip line field model is constructed by a trial and error method,in which the influence of cutting edge roundness is considered.

对正交切削过程的力学边界提出了合理假设,用试探法建立了考虑切削刃钝圆影响的滑移线场模型及相应的速度场模型。

This paper gives the detailed analyses of the uncompleted transition curves used to link two circle arcs, and introduces the method of minute setting-out.

本文对连接两个不同半径圆曲线段的不完整缓和曲线进行了具体分析研究,推导其放样元素的详细计算公式,并提出相应的测设方法。

Print, and aspects of the seihan process is an important process of the mesh camera negatives was, the speed of image at high-profile sites transparent, to take 3.5 MW to 750 MW, 4.5 become positive exposure after dot 3% or more low key parts of the image xiaohei point 0.5 to 1 captured the idea to become dark circle, you must have tried small solid reflective point after desensitising cannot be displayed.

晒版是铜版制版工艺的一个重要工序,它对网目照相的底片要求非常严格,一般要求图像高调部位网点透明,要拍摄到3.5~4.5成为宜,晒版后阳图网点在3成以上,图像低调部位小黑点拍摄到0.5~1成为宜,点子要黑要圆,必须照足细小坚实的反光点,以便版面腐蚀后能显示层次。

The transition from opacity to transparency of overdense plasma layers for the propagation of high-intensity laser pulses of circular polarization is investigated theoretically and by simulation.

在圆偏振高强度激光脉冲的传播过程中,对稠密等离子体层从不透明向透明的转变从理论上和以模拟的方法进行了研究。

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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.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力