• Mathematical expressions of velocities, shear stresses for Newtonian laminar field near the pins in pin barrel extruder and machine's power are presented.

    基于牛顿流体模型,给出销钉机筒挤出机销钉附近应力分布速度分布数学表达式,提出销钉消耗功率计算方法。

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  • The characteristic parameters of fluid during the transition in boundary layer are obviously different from that of the laminar flow or the turbulent flow.

    边界层流动特征参数明显不同层流湍流,转捩流动这些特征直接影响着流体的动力、传热特性。

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  • Study on the laminar combustion characteristics of low calorific value gas fuel provide people with an overall understanding of the fuel combustion quality.

    热值气体燃料层流燃烧特性研究燃料的燃烧品质进行全面了解其在发动机上的应用提供理论基础

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  • The morphologies, choice of materials, processing conditions and functional properties of polymer blend alloys with laminar dispersed phase were summarized.

    综述了状分散形态聚合物合金形态特征材料选择、成型加工条件以及层状分散形态聚合物的功能性

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  • The process doesn't exhibit fully laminar unless the reference Reynolds number based on the location of peak heat transfer on compression ramp is low enough.

    只有基于再附峰值热流位置长度参考温度条件下雷诺数足够,相互作用过程才能纯层流的。

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  • It includes electronic control system, the framework, main body parts, troughs, manipulator, servo system, laminar flow's decontaminating, pipelines and etc.

    设备电气控制、机架、箱体、清洗机械手伺服系统层流净化、管路部分构成。

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  • The ordinary differential equation of round laminar jet of power-law fluid is derived, and the solution of this equation by numerical integration is obtained.

    层流边界层方程导出幂律流体轴对称层流自由射流常微分方程给出其方程的数值

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  • Causes to the laminar defect of the umbrella bone steel occurring in the process of cold forming are analyzed by chemical analysis and microstructure analysis.

    采用化学分析微观组织分析的方法,伞骨压扁后成型过程产生分层缺陷原因进行分析。

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  • This paper simulated polycyclic aromatic hydrocarbons formation in C2H6/O2/N2/AR laminar opposed flow diffusion flame using detailed chemical kinetic mechanism.

    本文使用详细化学反应机理模拟了C2H6O2N2AR层流对冲扩散火焰中多芳烃生成动力学过程。

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  • The developed laminar shear model box lays a firm foundation for the success of the test and can also be adopted in other tests for seismic geotechnical problems.

    试验结果表明所设计叠层剪切变形模型不仅本次试验获得成功打下坚实基础可以应用其他岩土地震问题的试验研究。

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  • 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.

    以此分析了炽热平板层流边界层可燃气流引燃,给出了描述引燃的着火临界条件。

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  • The model, which includes the effect of additional inertia forces by vacillation, describes a problem of unsteady three-dimension wavy laminar falling film absorption.

    模型充分考虑了摇摆振动引起附加惯性力作用非稳态三维波动层流问题

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  • When the Reynolds number for Bingham fluid is larger than a certain value, the flow will transfer from the laminar state to the turbulent state as Newtonian flow does.

    牛顿流体一样,汉流体的雷诺数超过一定后,流动流向紊流过渡

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  • Using the differential motion equation in fluid mechanics, this paper developed the flow models of the laminar flow of Bingham's fluid in an inclined eccentric annulus.

    本文应用流体力学中的运动微分方程建立汉流体倾斜偏心环空中层流流动模型

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  • This paper studies the flow law of the laminar helical flow of the power law fluid and Billgham fluid in eccentric annular space and the determination of the flow state.

    本文全面地研究流体汉流体偏心空中层流螺旋流动规律流动状态判别

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  • The fraction with smaller molecular weight, molecular weight distribution and lower content of short chain branching could form thinner and more uniform laminar crystals.

    较低摩尔质量化度窄摩尔质量分布级分具有较完善、分布更加均匀薄片晶结构

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  • So a mathematical model is built by introducing two parameters to link microcosm and macroscale while laminar flow model is still the reaction model of microcosmic reaction.

    故本文引入两个参数建立了一个可行的计算数学模型,将状扩散模型这个微观过程宏观反应联系在一起。

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  • CONCLUSIONS Standardized administration of surroundings of laminar air-flow wards was advantageous to the improvement of medical treatment and nursing and safety of patients.

    结论层流病房环境实施规范化、标准化管理有利于提高医疗护理质量保证患者安全

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  • Objective To investigate a clinical application and indication of the minimally invasive surgery through inter-laminar space for the treatment of lumbar disc herniation(LDH).

    目的探讨椎板间隙直视微创手术治疗腰椎间盘突出症临床价值适应

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  • The computation results show that the effect of density to laminar bottom layer in vertical pipeline is obvious and is bigger than that of viscosity, which can not be ignored.

    研究结果表明密度竖直管道顺序输送过程层流底层影响比较明显并且大于粘度影响,不可忽略。

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  • Some way into its path - perhaps around the 10 m mark (or at about the position of the wall of defenders) - the ball's velocity dropped such that it entered the laminar flow regime.

    运行路径一点(10米处,人墙的位置)球速度下降使空气在球体表面形成较稳定的层流

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  • The obstructing principle of plastics and two methods including laminar blending and multilayer co-extrusion which were used to improve obstructing capability were introduced.

    介绍塑料阻隔原理提高塑料阻隔性能常用两种方法状共方法多层方法。

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  • FFU (Fan Filter unit) laminar flow wind delivery unit can be modularized, which is able to be widely used in clean rooms, clean benches, clean lines and assembling clean rooms.

    FFU层流送风单元模块化连接使用,使得FFU广泛应用于洁净、洁净工作台、洁净生产线组装式洁净室等场合。

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  • An operation room information management system integrated with HIS, PACS, LIS and EMR systems was developed while setting up clean laminar flow operation room in our hospital.

    我们建设层流洁净手术室同时研发了HISPACSLISEMR等系统相集成手术室信息管理系统

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  • An operating room information management system integrated with HIS, PACS, LIS and EMR systems was developed while setting up clean laminar flow operating room in our hospital.

    我们建设层流洁净手术室同时研发了HISPACSLISEMR等系统相集成的手术室信息管理系统

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  • The laminar cooling system has synthetic complexities such as highly nonlinear, variations of operating conditions and the difficulty of measuring the strip temperature online.

    层流冷却系统具有非线性工况变化频繁、带钢温度不能连续测量综合复杂性

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  • Like in an infinite flow, we find that laminar boundary layer, transition region and turbulent boundary layer also exist along a flat plate in open channel flow boundary layers.

    试验研究发现光滑平板边界层,与无限边界绕流平板边界层一样沿平板层流边界层,转捩紊流边界层三部分。

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  • Based on computational fluid dynamics, the distribution of laminar flow-field and pressure difference are obtained by numerical simulation on flow through orifice plate in detail.

    计算流体力学为工具,详细分析计算了流体流过层流流场分布以及压力降。

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  • This could be done with surfaces that change shape, or by using a system of holes and slots that can be opened and closed as appropriate to create suction that maintains laminar flow.

    通过改变机翼表面形状采用适当开启关闭住层流的系统来实现。

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  • This could be done with surfaces that change shape, or by using a system of holes and slots that can be opened and closed as appropriate to create suction that maintains laminar flow.

    通过改变机翼表面形状采用适当开启关闭住层流的系统来实现。

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