查询词典 droplet

According to the ink-jet recoding head having the above-described configuration, it is possible to prevent a decrease in the discharge speed of an ink droplet due to reduction in the discharge diameter, without hindering high-density arrangement of the discharge-ports.

其可在不妨碍高密度设置排放口的前提下，防止油墨液滴的排放速度因排放直径的减小而降低。

The evaporation of nanofluid droplet will be widely applied in the field of vehicle,spaceflight, voyage,shipping and electron.The hydrokinetics,the theory of heat and mass transfer,the material science and the behavior dynamics of free interface are involved in the process of the nanofluid droplet evaporation.It is academically significant and has invaluable application to master the heat and mass transfer mechanism in this process.

纳米流体液滴蒸发形式的换热将广泛应用于车辆、航天航空、船舶、电子等领域，其蒸发过程是涵盖了多组分流体动力学、传热传质学、材料科学及自由界面行为动力学等多种学科领域的综合性问题，掌握该过程中的热质传递机理有着重要的学术意义和应用价值。

Meanwhile , the measurement error of contact angles caused by the measurement error of droplet height , the bottom diameter of droplet and the turning error of protractor were discussed : Verification experiments were performed and the results obtained are coincident with the theory . Finally , hypsometry is proved to be more precise , faster and more convenient .

从理论上对这2种液滴角度测量法的测量原理和测量误差进行比较分析，分别讨论了液滴高度，底端直径的量取误差和量角器转动误差产生的接触角测量误差，并用实验进行验证，这些实验结论和理论相符，最后证实量高法更准确，快捷，方便。

A preliminary system for measuring liquid droplet size distribution making use of the droplet self-charging, i.

利用液滴自身的带电来测量液滴粒度分布的测量系统──电荷探针法测量系统已初步研制成功，并在大型搅拌装置上进行了实际测量及其分析。

And this time period between the droplet injection and self-ignition occurrence is termed droplet ignition delay time.

通过分析当量比等于1的气体微团升温及反应历程，给出一种确定液滴自点火延迟时间的简化模型。

When a droplet is suddenly injected into high temperature environment, the droplet self-ignition phenomenon occurs.

摘 要：燃料液滴突然进入高温空气环境后，会发生自点火现象，液滴进入与自点火发生之间的时间间隔称为液滴自点火延迟时间。

For emulsions, interfacial structure s,droplet sizes and distribution,and droplet motion and coalescence could be observed and recorded in situ by an integration device including a microscope,a pickup camera,a video tape recorder,and a computer with a gathering image card and a programme.

利用光学显微镜——摄像——录像——计算机图像采集、处理集成系统，可实现对乳状液界面结构，液珠大小及其分布，液珠运动和聚并的动态过程进行实时观测、录像、图像采集和处理。

The bigger average pore of the porosity system,the smaller size of the micro-residual oil droplet and the more dispersed micro-residual oil droplet after waterflooding, that is to say, when the average pore width is big enough,the micro-residual oil is mainly composed of isolated single-pore and dual-pores droplets whereas the blocklike remaining oil is hardly exist.

微观驱替效率随平均孔宽的增加而增加，孔隙大小决定微观剩余油液滴的大小，孔隙系统的平均孔隙半径越大，水驱之后微观剩余油的尺寸越小，分布越分散，也即当孔隙的平均孔宽较大时，微观剩余油主要是由孤立的单孔隙和双孔隙液滴组成，连片的块状剩余油几乎不存在。

ABSTRACT The research of metal transfer in metal gas arc welding is of great significance for the control of arc welding process and quality, the improvement of existing welding technology and the development of new welding equipment. With the powerful aid of welding arc spectrum which contains plenty of information of metal droplet transfer, this dissertation, which mainly aims at putting forward an effective detecting method with arc spectrum signal, has inspected the spectrum of metal gas welding arc and discovered their dynamic characteristics of each kind droplet transfer mode.

熔化极气体保护焊熔滴过渡的研究，对于焊接过程及质量控制、焊接工艺方法的改进和新型焊接设备的推出都具有重要意义，而熔化极气体保护焊电弧光谱中含有丰富的反映熔滴过渡的信息。

The results of numerical simulation suggest that the demisting efficiency increases as droplet diameter and gas velocity increasing and decreases as the mist eliminator plate spacing reducing, and the efficiency of arc-shaped plate with barb mist eliminator is higher than that of polyline-shaped plate mist eliminator. Droplet with a diameter under 20 mm is of low demisting efficiency.

数值分析表明：除雾效率随液滴直径的增大而增大，随进气速度的增大而增大，随除雾器叶片间距的增大而降低；带倒钩的弧形板除雾器比折形板除雾器的除雾效率高；粒径小于20 mm的小液滴脱除效率较低。

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。