从近连续流到近自由分子流，计算分析超声速流场的稀薄效应。
Rarefaction effect on supersonic flow fields in the transition from near continuum to near free-molecule flow is analyzed numerically.
给出了分子流扩散方程的边界条件，推导出入口压力在线性近似下方程的解。
The molecule flow diffusion equation and the boundary conditions are given. The solution with linear approximation of entrance pressure is presented.
因此可以近似地用此模型方程序代替玻氏方程序讨论介于分子流和粘性流之间的过渡区的气体运动情况。
Thus instead of Boltzmann equation this model equation may be approximately used to discuss the motion of gases in the transient region between molecular flow and viscous flow Iimits.
因此可以近似地用此模型方程序代替玻氏方程序讨论介于分子流和粘性流之间的过渡区的气体运动情况。
Thus instead of Boltzmann equation this model equation may be approximately used to discuss the motion of gases in the transient region between molecular flow and viscous...
然而，一些材料比其它材料更容易用这种方式纺成线，因为如果分子不粘在一起，液体流就会断裂。
Some materials, however, are easier to spin in this way than others, for if the molecules do not stick together, the liquid stream will break up.
氢分子发出红外线的原因是它们吸收了恒星发出的紫外线，或者是受到了恒星喷发的炽热气体流的加热。
The molecules emit the infrared light that they have absorbed ultraviolet radiation from the star or have been heated by the wind from the star.
塞内加尔拥有国际水准的思想家和知识分子；有些人已离开该国并在西方某些一流大学从事教学工作。
Senegal has thinkers and intellectuals of international standing; some have left the country and are teaching in some of the top universities in the West.
极光这一现象是由“太阳风”所造成的。“太阳风”是太阳发射的带电原子内粒子流，它和大气层中的分子相互发生作用就引起了极光。
The phenomena are caused by the "Solar Wind" - streams of electrically charged sub-atomic particles emitted by the Sun - interacting with molecules in the atmosphere.
然后单独的长的DNA分子被送入微流控芯片，静水压通过一个窄的通道以恒定的速度牵引它们。
Single long molecules of DNA are then fed into a microfluidic chip, where hydrostatic pressure pulls them at a constant speed through a narrow channel.
天然突变——演化过程中在分子的层次上主要是经由随机的基因流而决定，并非借由天择所影响。
Neutral mutation — Evolution at the molecular level is primarily determined by mutational input and random genetic drift, rather than by natural selection.
他说，象微流控芯片这样的装置正在美国基因组公司研发，它一定可以对其它的生物大分子的研究大有帮助。
Something like the microfluidic chip he has developing for U. s. Genomics, he says, could be very helpful for studying other biological molecules.
它更现代的看法，但认为保留一个潇洒一流美洲虎分子。
It's a much more modern look, but one that retains sporty and classy Jaguar elements.
通过选择不同的气体分子与壁面相互作用模型研究了壁面边界条件对羽流撞击效应的影响。
Influence of wall boundary condition on plume impingement effects is finally studied by applying various gas - (surface) interaction modeling.
考察了其粘均相对分子质量、质量分数、温度及流态对减阻效率、抗剪切稳定性的影响；
The effects of PLMA′s relative molecular mass, content, temperature and flow state on the drag reduction effectiveness and the shear stability were discussed.
结合光学分子成像技术与该尺寸范围的纳流芯片，将有助于研究生物分子的动力学和静力学性质。
Associating with optical molecular imaging, these scale nanostructured fluidic channels would be useful for studying single biomolecules statics as well as the dynamics.
大分子的输运物质流决定于其分子量、密度、分子尺寸和形状。
The mass flux of macromolecules ia solution depends on molecular weight, polymer density, molecular size and shape.
20世纪70年代以来，对恒星所产生的分子外向流的研究成为天体物理学的一个重要前沿领域之一。
Since 70's in 20 centuries, the research of the sidereal molecular jets became one ofthe important outlying realms of astrophysics.
我们分别考察了不同分子量大小、不同结晶行为和不同支链结构对PE流延基膜硬弹性的影响。
The influence of different molecular weights, crystallization behavior and branched chain structures on hard elastic behavior of PE cast films was investigated.
国产 雾面剂XSRB-940 雾面剂是旭升公司自主研发的具有独特流平性能的低分子量聚合物。
Matt agent XSRB-940 (Made in China) Matt agent has unique level properties of low-molecular-weight polymer from Xusheng R&D department.
特别地，两种分子标记的结果都说明了琼州海峡（把海南岛和中国大陆隔开）对日本伏翼的基因流具有很大的阻隔作用。
Specifically, both markers indicate that the Qiongzhou Strait, which separates Hainan Island from the continent, acts as a significant barrier to gene flow.
高分子自恢复保险丝是一种新型正温度系数的过流保护元件，其使用及选用都有一定的规则。
The macromolecules self-healing fuse-wire is a new excess current protection component of plus temperature coefficient. Its application and choice should comply with a certain rule.
产品平均分子量和分子量分布亦介于平推流反应器和微观最大混合反应器之间。
The average molecular weight and its distribution of polystyrene obtained in microsegregation reactor are also between those of piston flow...
阐述了稀溶液及聚合物溶液中高分子链及其刷子模型在外力和流场作用下的结构形态及动力学特性。
The configuration of a single polymer chain and polymer brush in equilibrium with a solvent that is subject to a shear flow is presented.
产品平均分子量和分子量分布亦介于平推流反应器和微观最大混合反应器之间。
The average molecular weight and its distribution of polystyrene obtained in microsegregation reactor are also between those of piston flow and maximum micromixing...
采用分子动力学方法，对不同雷诺数的纳米柱绕流问题进行模拟。
Molecular dynamics simulations were carried out to study the fluid flow pass a circular cylinder at different Reynolds number at microscopic level.
考察了宽幅机头对于不同厚度片材的挤出适应性，得到结论：当生产不同厚度的片材时， 阻尼块高度需要调整。 关键词：高分子防水卷材，三维有限元，流场分析，挤出机，机头。
As far as the practicability of the die for the thickness, the height of the block would be adjusted when extruding the sheets with different thickness.
喷色所使用的颜料为专用玻璃涂料，它是一种高分子有机聚合物，具有较高的稳定性、良好的透明性、耐侯性、保色性、流平性。
The colorant is special glass paint, which is high organic polymer. It has many advantages, including high stability, high transparence, weather-resistance, color-retaining and penetration-resistance.
介绍了微纳多层共挤出技术是通过简单地对高分子熔体进行分割-变流-合并过程来增加层数的技术。
The number of layers was increased through slicing-flow changing-combining polymer melts by micro-or nano-layer coextrusion, and the micro-or nano-layer alternative structure was designed.
本发明涉及一种用于过流防护的电子元器件，公开了一种高分子PT C芯片及其应用。
The invention relates to an electronic component for over-current protection, in particular to a polymer positive temperature coefficient (PTC) chip and the application thereof.
本发明涉及一种用于过流防护的电子元器件，公开了一种高分子PT C芯片及其应用。
The invention relates to an electronic component for over-current protection, in particular to a polymer positive temperature coefficient (PTC) chip and the application thereof.
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