表面

Modified polylactic acid vector have better biocompatibility with Schwann cell, and their cytotropism were improved.

改性后的材料细胞生物相容性良好，其表面亲水性增加，但2材料可能在改性过程中表面酸度增加，在处理上有必要改进。

According to the variations in friction coefficient, wear rate, temperature of tribo-pair and tribo-surface micro hardness with time, the tribological process lubricated by oil containing Mg_6Si_4O_(10)_8 shows quasi-periodicity with characteristic of damped oscillation, and quasi-period is 200 h; micro-hardness of the worn surface is one time higher than that of 45~# steel substrate.

在实验室条件下，验证了主要组分为Mg6Si4O108的金属磨损自修复剂在45#钢摩擦副表面形成修复保护层的能力，得到了厚3～6 μm的反应层；采用Falex型摩擦磨损试验机进行了长达400 h的摩擦磨损试验，研究了在Mg6Si4O108润滑下45#钢摩擦副的摩擦磨损性能、摩擦副摩擦表面显微硬度和温度随时间变化的情况。

The gauge block surface under test is imaged by the interference microscope. The interference image is acquired and transmitted to the computer by the digital CCD video camera. Digital image processing technology is used to extract the edge contour line and midline of the interference dark fringe.

待测量块表面经干涉显微镜所成的干涉图像由数字CCD 摄像头采集并传输到计算机中，利用数字图像处理技术，对干涉条纹的边缘和中线进行提取，计算出量块表面粗糙度评定参数。

The results show that it is impossible to carry out fire suppression by flame cooling and surface cooling for smaller droplet. The extinguishing mechanism for them depends primarily upon decalescence via gasification.

结果表明：对于滴径较小的雾滴不可能达到火焰区或可燃物表面实施火焰冷却和表面冷却，其灭火作用主要依赖于汽化吸热。

Thus,in experiments of water mist flashover restraining, consideration only the mist decalescence in smoke and flame would be enough and doable.Nonlinear dynamics was chosen here for investigating water mist flashover restraining.

雾滴冷却汽油池火燃料表面效果不佳，因而在构建细水雾抑制轰燃预测模型时可以忽略燃料表面冷却，仅考虑雾滴在烟气层和火焰区的吸热效果。

Metal heating, the workpiece exposed to the air, it often happens oxidation, decarbonization (ie, reduce the carbon content of the surface of steel parts), This is part of the surface properties after heat treatment has a negative impact.

金属加热时，工件暴露在空气中，常常发生氧化、脱碳(即钢铁零件表面碳含量降低)，这对于热处理后零件的表面性能有很不利的影响。

The mechanical causes of formation of joints can be judged by deflexion coefficient and/or the root of mean square of height of joint surfaces.

介绍了检验和分离岩石表面形貌中波纹度的方法，并研究了岩石表面形貌的波纹度特征。

As a new method to map the outer cortex of the human brain, a deformable surface model is described in this paper.

探讨了大脑表面形态提取的一种新方法可变形表面模型。

The following key future research fields are needed to understand and predict Antarctic Ice Sheet mass balance: Observation and modeling of the surface elevation changes, determination of surface mass balance and its distribution over drainage basins as well as fluxes at the grounding lines and the bottom melting underneath ice shelves, understanding of the deglaciation history, development, comparison and improvement of all kinds of models related to modeling and prediction of ice sheet mass balance.

南极冰盖物质平衡未来的重点研究领域是开展冰盖表面高程变化的监测与模拟，确定表面物质平衡及其在各冰流盆地的分布，着地线的冰流通量，冰架底部的融化，了解冰后期冰盖退缩的动力过程，以及开发、对比和改进与冰盖物质平衡模拟和预测相关的各种模型。关键词：南极冰盖；物质平衡；进展与展望

The principle and way of dectecing ultrasonic displacement of solid surfaces with laser heterodyne and phase-lockedloop to demodulate are described.

论述了应用激光外差和锁相环解调原理探测固体表面超声位移的原理、方法，并利用激光外差干涉仪对固体表面的超声位移进行了探测，得到了很好的结果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。