查询词典 micro method

Energy deposition at the interface of the particles caused by micro-explosive welding in explosive consolidation of metal powders is analyzed by symmetrical impaction model of uncompressible liquid. Two-dimensional equation of energy in the flow field of explosive welding is deduced and solved by finite difference method. Then the distribution of the temperature in the flow field is calculated on the basis of considering the adiabatic compression.

摘 要：以不可压缩理想流体对称碰撞模型对金属粉末爆炸烧结中由微爆炸焊接引起的颗粒界面附近沉积的能量进行了分析，在考虑热传导效应的基础上推导出了焊接流场中二维形式的能量方程并用有限差分法对其进行了求解，在考虑冲击绝热压缩贡献的基础上计算出了焊接流场中的温度分布。

The novel device integrates two important microfluidic phenomena, including hydrodynamic focusing and valveless flow switching inside multi-ported micro-channels. In this study, a simple theoretical model based on "flow-rate-ratio" method is first proposed to predict the performance of the device. Based on these data, a pre-focused 1xN flow switch is designed and fabricated using micromachining techniques.

本专题中的微流体晶片同时涵括了以下两种很重要的微流体现象--(1)水力预集中（hydrodynamic pre-focused ）以及(2)无阀式开关的切换方式，并在同一平面上作流向控制，以便将相同样品注射至不同或相同之出口槽(output-port)以连接至不同的微流体分析晶片，以达成多功能连续式的样品进料功能。

The structure of the piezoelectric-driven microfluid ic mixer based on micro electron mechanical systems technology proposed by the author is improved to fabricate a new micromixer of various dimensions using laser method.

鉴于MEMS技术的工艺复杂性及昂贵的制作成本，对基于MEMS技术的压电驱动微流体混合器的结构进行了改进。

This paper has described the basic function and qualification of the compensating brake master cylinder admeasuring apparatus firstly, given an introduction of gross structure, measuring principle and method, put its emphasis on the dissertation of working principle of main composing parts, such as endoscopic-micro optical system, CCD pick up camera and precision machinery system, and on the design of optical imaging system. It has analyzed the main error and the influence on measuring accuracy as well as giving a conclusion of error analysis.

本文首先叙述了制动主缸补偿孔测量仪的基本功能和技术指标，接着介绍了仪器的总体结构、检测原理与方法，重点对系统的主要组成部分，如内窥显微光学成像系统、CCD摄像机和精密机械系统等的工作原理进行了论述，并对光学成像系统进行了设计，最后分析了系统的主要误差来源及其对系统检测精度的影响，并给出误差分析结论。

This paper puts the DFT idea in the micro-electronic industry into the assembling technology of optical fiber collimating device with the method of associative thinking which is one of the innovation thinking.

运用创新思维中的联想思维，将微电子业的DFT思想用于光纤准直器的装配技术中，可大大提高生产效率，提高产品的合格率，以适应当今的经济发展要求。

Methods Ground dragon was respectively processed by traditional processing technology and cold-processing technology.The latter was done by the liquid nitrogen rapid freezing technology and lyophilizing technology.By means of qualitative and quantitative tests,SDS-PAGE and the software of ImageTool were applied to analyzing the difference of protein components in ground dragon from the two processing techniques.Fibrin plate method and thrombolysis test in vitro were carried out to determine the difference of the two processing techniques for the fibrinolytic activity.Micro-observation and MTT methods were used to assess the differences of antihepatic cancer activity between the traditional and the cold-processing groups.

方法地龙的炮制采用传统与低温两种工艺，低温炮制采用液氮快速冷冻与冷冻干燥技术；采用SDS-PAGE与ImageTool软件，对两种炮制工艺的地龙蛋白质组成的差异进行定性与定量分析；应用纤维蛋白平板法与体外溶栓试验，定性与定量分析两种炮制工艺的纤溶活性的差异；应用显微观察与MTT法，对两种炮制工艺体外抑制人肝癌细胞增殖活性进行定性与定量比较分析。

The design was optimized for maximum signal intensity by simulation and experiments. The size of focal spot in the micro-channel capillary was optimized. Fluorescence signal was enhanced 2～3 times when increasing the diameter of focal spot from 10μm to 50μm (full of the inner wall of capillary), through which the sensitivity and signal-noise ratio were also improved. A technique of using refractive matching liquid was presented. The fluorescence signals were boosted up and the signal collection efficiency was also meliorated when using this method.

通过理论分析和实验优化本系统的设计：优化聚焦于微通道中的激发光斑大小，增大聚焦到毛细管内径中的激发光斑尺寸，使光斑尺寸由最小的10μm增大到50μm，光电倍增管接收到的荧光信号提高了2-3倍，从而提高系统的信噪比和灵敏度；提出在聚焦物镜处加折射率匹配液的方法，加匹配液后的荧光信号得到了增强，因而提高了荧光收集效率和灵敏度。

A method based on digital micro-mirror device as a SLM modulates an area array CCD is proposed.

提出了一种采用数字微镜器件作为SLM调制面阵CCD的设计方法。

Methods Lung targeting gelatin microspheres of enrofloxacinwere prepared by emulsion-corsslinking method, the micorpheres were obsevred by oil lens of microscope, the diameter of the microspheres was measured and the microspheres was photoed by micro-camera. The conetnt of ENR is measured by mehtod of ultraviolet spectrophotometer.

采用乳化-化学交联法制备恩诺沙星肺靶向明胶微球，油镜下观察微球粒径大小及形态并用微型照相机（Olympus DP12-2）拍照做记录，通过紫外分光光度法检测微球中恩诺沙星的含量，进而计算得出其载药量和包封率，并通过溶出度测定法探讨其体外释放规律。

Numerical method is utilized to investigate the effects of discrete micro air injection from casing shroud upstream blade tip leading edge on the rotor tip flow in a low-speed isolated axial compressor rotor at the operating condition near stall point.

本文采用数值模拟方法研究了近失速工况动叶顶部前缘附近喷气对低速轴流压气机孤立转子叶顶区域流动的影响。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。