查询词典 surface

Based on simulation results, the field characteristics of some kinds of non-axisymmetric focusing surfaces, including cylindrical surface and ellipsoidal surface, are analyzed.

以声场模拟为基础，分析了包括柱面聚焦和扁椭球面聚焦等在内的几类非轴对称聚焦曲面声场特性。

The method was applied to contour measurement of three different surfaces, an inc-lined plane, a part of cylindrical surface and a part of spherical surface.

1前言 研究物体表面三维轮廓的自动检测，对自动机械制造、元件质量控制、机器人以及固体成型等部门有着重要的实际意义。

In operation, the screw cylindrical surface and the pump cylinder wall formed between the layer of oil film to prevent direct contact between the metal, so that screw tooth surface wear significantly reduced.

在运行中，螺杆外圆表面和泵缸内壁之间形成的一层油膜，可防止金属之间的直接接触，使螺杆齿面的磨损大大减少。

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。

An initial surface is determinated firstly, which is used as the datum plane to parameterize the discrete boundary points, and then an object function is established by the control points of B-spline surface.

它在车身造型，飞机制造和其他工业产品的设计中都有广泛的应用，如构建工业设计用的由复杂边界构成的曲面或是填补型心和型腔造型的零件中的孔洞等。

At the same time, the SEM study shows that gibbsite occurs on the sample surface. At 200 ℃, as dawsonite sandstone is being dissolved authigenic siderite forms. At 300℃, chlorite deposit on parts of the sample surface. The weak solution of dawsonite sandstone at 100℃ and the formation of siderite at 200℃ illuminate that CO2 being in carbonates in the strata can not be released when CO2 phase is adding to the system.

同时，各温度下样品表面均有一水软铝石放射状集合体沉淀。200℃时，随着片钠铝石的溶解有自生菱铁矿生成，300℃时样品局部有绿泥石沉淀。100℃下片钠铝石的微弱溶解及200℃下菱铁矿的形成表明，在地层条件下以碳酸盐矿物形式捕获的CO2，不会由于CO2的二次注入而重新释放。

The surface activity of fluorocarbon surfactants in organic liquids such as toluene,hexane,decane,cyclohexane,nitromethane,dimethylsulfoxide,1-butanol,etc.,was investigated by measurement of surface tension.

碳氟表面活性剂由于其碳氟链既疏水又疏油的特性，除了可显著降低水溶液的表面张力之外，也可降低有机液体的表面张力﹝14﹞。

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。

Decay constant k of Surface Dynamics of the modified surface can be calculated using the measurement results of the contact angle and the angle - dependent XPS, being a probe, k values can be used to characterize the surfa...

通过PET表面的接触角及F/C比的测定，计算出表面动力学衰减常数k，三种测试方法得到的k值都可以用来表征碳氟等离子体处理PET的表面动力学行为，其中混合气体的k值最小。

To improve some deficiency of calculation of reliability index in response surface method, point estimation of probability moment deduced by Resonbluth was introduced into response surface method.

针对响应面可靠度指标计算方法的缺陷，将罗森布鲁斯统计矩点估计法引入到经典响应面方法中对其进行改进。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了