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mass-production相关的网络例句

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According to the principle of mass conservation, the kinetic model of SCFE is set up founded on differential extraction, and the mass transfer in SCFE is analyzed.

根据质量衡算原理,建立了基于微分床萃取的超临界流体萃取的动力学数学模型,从理论上分析了超临界流体萃取的传质过程。

Contemporaneously, we are seeking to develop new methodologies for accurate mass detection, as well as for disease diagnosis and in vivo, real-time study of therapeutic response base on mass spectrometry.

此外,本实验室也进行新生物质谱技术研发,未来也将致力於开发质谱仪与其他研究设备的连结介面,期能帮助鉴定疾病并监测治疗反应。

Based on the theory of heat and mass transfer for film type cooling, a mathematical model for the velocity distribution of a thin water film, the equations of mass and heat transfer, and evaporation cooling controlled by the latent heat transfer were established.

基于膜状冷却热、质传递机理,建立水膜薄层的速度分布,热、质传递方程和潜热蒸发冷却控制的数学模型。

At the same time, combined the result of the TSP for the country rock mass of the tunnel, the stability analysis and preliminary appraisal of the country rock mass are carried out here.

同时,结合TSP手段对隧道围岩的探测成果,对隧道区域的工程地质条件和围岩稳定性进行了分析和初步评价。

In this paper, the JFO condition, satisfied with global mass continuity, is incorporated into an universal Reynolds equation with micro-polar fluid which is solved for the oil film pressure using OSM and FEM. The bearing load capacity and friction resistance were given, and stiffness/damping coefficients and critical rotor mass were obtained by solving a pressure perturbation equation with micro-polar lubricants.

本文采用满足全流场质量连续的JFO边界条件,采用微极性流体的广义雷诺方程来求解油膜压力分布,进而获得油膜承载力和粘性阻力等轴承动力特性量;采用小参数摄动法得出油膜压强扰动方程,并采用有限元法解出扰动压强,积分扰动压强获得油膜的阻尼系数和刚度系数,进而求得了表示轴承油膜稳定性的临界转子质量。

Results show that when absorptive ratio of water is above 550 times with m: m = 1:4, m: m = 4: 3, mass ratio of initiator is 0. 6%, mass ratio of cross - linker is 0.8‰.

实验结果表明:当引发剂占干物料质量的0.6%,交联剂质量占单体质量的0.8‰,单体与淀粉质量比为4,丙烯酸与丙烯酰胺质量比为1.33,产品的吸水率可超过550。

Water pond and inner plant space are inserted at the crossing point of lower level mass and upper level mass.

池塘水及内植物空间是插在较低的水平,质量和上层大规模的过境点

The thesis can be divided into five parts as follows: First, the structural characteristics of finned-pipe evaporator are analyzed. After selecting suitable microelement controller, the heat-transfer and mass-transfer processes are analyzed for every microelement under the conditions of dryness, wetness and frostiness. Based on previous equations, some parameters of frostiness are confirmed and the frost-growing model is set up under frost condition. Some hypotheses are postulated and with the help of the equation of mass-conservation, energy-conservation and momentum-conservation, the evaporation model which fits in the dynamic simulation is built, which set a solid foundation for system simulation. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. Third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet-parameter on evaporator. Fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio-parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping.

本文的主要内容如下:1对翅片管蒸发器结构特点进行分析,选取适当的微元控制体,就干、湿和霜工况下对每个微元分别进行传热传质分析,基于经验关系式确定霜的有关参数,对于霜工况下的霜生长建立模型,经适当假设,运用质量守恒、能量守恒和动量守恒方程建立适合动态仿真的蒸发器数学模型,为系统仿真奠定基础; 2对蒸发在大扰动下的开、停机过程,运用动态集中参数模型进行分析和计算,为更好地描述制冷系统运行的全过程奠定基础,同时也为制冷系统实现自动控制提供一定的理论基础; 3对蒸发器正常运行过程,运用动态分布参数和参数间定量耦合的观点来分析和计算,为更好地了解稳态工况下各点参数的变化情况及各入口参数对蒸发器动态特性的影响即蒸发器性能对各参数变化的敏感性; 4编写翅片管蒸发器动态特性仿真计算程序,可以计算不同边界条件和初始条件下的制冷剂热力参数、空气温湿度和霜厚度分布场,实现对翅片管蒸发器在干、湿和霜工况下的动态仿真。

Detailed studies are made as follows: Searching the key internal factors which can affects slope stability. According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics;With analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques;The stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. With the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified;As a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. The stability and deformation of some typical slopes was analyzed with distinct element method by UDEC;The safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for coMParison.

首先着重研究影响边坡稳定性的内在因素,主要是通过地质勘探、测量、现场观测等手段取得研究区地质体的基础地质资料,建立起能够反映地质体结构特征的地质模型;随后综合分析潜在的内外部影响因素,并结合赤平投影对边坡可能的失稳模式或破坏机制作出判断;运用已有岩体质量分类方法对沿线14个高陡边坡稳定性进行初步的评价,并结合试验研究、经验判断、工程类比等手段确定了坡体的岩体力学参数;根据稳定性初步评价结果将研究区14个高陡边坡按开挖方式分为4大类,并利用离散元程序UDEC对各类典型高陡边坡进行了稳定性计算分析;对潜在危险边坡利用刚体极限平衡法求出了不同工况下的安全系数。

Cavitation erosion is related to bubbles.Bubbles pop out from drilling fluid in vacuum conditiun and form air mass against cyclinder well.For low resistance to pressure,air mass happen explosion when compressed,making cyclinder wall cavitated.

气蚀发生的条件与气泡密切相关,气泡在真空时从钻井液中溢出形成气团,并紧靠缸壁;气团在压缩时因承压能力低而产生爆炸,从而引起缸壁产生气蚀作用。

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她婉言拒绝了,但同意作为朋友相处。

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