The change of the 0 ℃ level height in summer over the northeast side of the Qilian Mountain was analyzed,and the relationship between the 0 ℃ level height and surface temperature,precipitation,water vapor content in atmosphere and stream flow of inland rivers were discussed.
分析了祁连山东北侧高空零度气温层高度的变化特征,探讨了零度层高度与地面气温、降水量、空中水汽含量、内陆河流量的相关性特征。
Stamp-forge process development of sheet high precision part;
高精度零件板材冲锻工艺技术的开发
A vehicle detection method with zero-height hypothesis validation was proposed to eliminate the disturbance caused by shadows and traffic signs on road surface.
提出了一种应用零高度假设检验的车辆检测方法以去除路面上阴影、交通标志等造成的干扰。
Research and development of inside rivet joint for high precision parts
高精度零件模内自动铆接技术的开发
Research and implementation of grinding for plane of small size high precision workpiece
小尺寸高精度零件平面磨削的研究与实现
Suitable for precisely cleaning of aury-axle &small size fittings.
适用于曲轴及小型零件的高精度清洗。
Research on How to Improve Machining Precision of the Workpiece with Curve Surface
提高变截面零件数控加工精度的研究
Suitable for precisely cleaning of convex-axle &small size fittings.
适用于凸轮轴及小型零件的高精度清洗。
Research on Processing Technology for Combining Deep Bore on High-precision of Unsymmetrical Parts
非对称零件高精度组合深孔加工技术研究
Reconstrction of the high-precision concave spherical parts of cold forming die
高精度凹球零件的冷成形模具改进研究
Techniques to Improve the Machining Accuracy of Parts in Numerical Control Turning
在数控车削中,提高零件加工精度的技巧
Research on High-precision Machine Vision Measurement Method for Large Scale Parts
大尺寸机械零件的机器视觉高精度测量方法
Study on the Key Technology of Precision Die Forging for High Strength Al-alloy Parts in Car;
轿车高强度铝合金零件精密模锻关键技术的研究
On-site Measurement Methods and Key Technology Research of High-precision Large Shaft
高精度大型轴类零件在位测量方法及关键技术研究
INVESTIGATION OF THE ACCURATE CONTROL ABOUTSURFACE CARBON CONCENTRATION OF CARBURISING PART
渗碳零件表面碳浓度精确控制的探讨
The Powder Injection Molding of ZrO_2 Samll Parts and the Dimension Precision Control;
ZrO_2小型零件粉末注射成形与精度控制
Dimension chain principle applied on part accuracy design
尺寸链原理在零件精度设计中的应用
High-speed Milling Technology and Strategy of Precision Moulds & Dies Part
精密模具零件的高速加工技术及策略
For form grinding, precision grinding of cutter measuring tools, instroment parts, thread grinding and fine surface finish grinding.
适用于成型磨削、具、具、纹工件、表零件的精密磨削，及其他各种高光洁度的表面加工。
The Research on the Influence of Temperature Variation to the Fit Accuracy of Mechanical Elements;
温度变化对机械零件配合精度影响的研究
Research on the Stiffness’Influence for the Precision of the Sleeve Parts' Machining
刚度对套筒类零件加工精度影响的研究
