The multi-scale energy transfer in near-wall turbulence is studied by orthonormal wavelets and the database of channel turbulence obtained by direct numerical simulation.
利用槽道湍流直接数值模拟的数据库和离散正交子波,对近壁湍流的多尺度输运特性进行了研究。
In this papers,standardization of traffic packaging dimension and the actuality of traffic packaging dimension series both in abroad and at home are introduced,the mean of standardization of traffic packaging dimension is elucidated;the method and flow by which traffic packaging dimension series are made are analyzed,which gives the theory for making traffic packaging dimension series.
通过对运输包装尺寸标准化以及国内外运输包装尺寸系列状况的论述,阐明了运输包装尺寸标准化的重要意义,重点分析了运输包装尺寸系列制定的方法和流程,为运输包装标准化尺寸的制定提供了理论依据。
Proposing a novel signal processing method for rolling element bearing—wavelet multi scale envelope spectrum,it recognizes the bearing fault frequency by analyzing the envelope spectrum after continuous wavelet transform to diagnose fault of the bearing in outer ring,inner ring and the rolling element.
提出一种新的滚动轴承故障信号处理方法—复小波多尺度包络谱,通过分析连续小波变换后各尺度信号的包络谱来识别滚动轴承缺陷频率,以此来诊断滚动轴承的外圈、内圈和滚动体故障,该方法解决了传统包络解调方法在操作中需要确定滤波器中心频率和带宽的难题,实验证明了该方法的有效性。
Packaging--Dimensions of flexible freight container transport packages
GB/T17448-1998集装袋运输包装尺寸系列
Packaging--Dimensions of sack transport packages
GB/T13757-1992袋类运输包装尺寸系列
Packaging--Dimensions of cylinder transport package
GB/T13201-1997圆柱体运输包装尺寸系列
Dimensions of rigid rectangular packages--Transport packages
GB/T4892-1996硬质直方体运输包装尺寸系列
Dimensional constraints for transport package
GB/T16471-1996运输包装件尺寸界限
Identification of Geometrical Overload Size of Vehicle in Highway Transportation
公路运输车辆装载几何尺寸超限辨识
Transit Cases are reusable containers made in various sizes and constructed of heavy duty material.
运输箱是用重负载材料构造的、以不同尺寸制造的可重新使用的包装箱。
manufactured in standard sizes to be shipped and assembled elsewhere.
按标准尺寸制作以运输到其他地方、在其他地方装配。
Packaging--Unit load size
GB/T15233-1994包装单元货物尺寸
The specified requirements include product dimensions, functionality, packaging and labelling,
规定的要求包括产品尺寸性能包装标签等.
The Research and Software Development on Dimentioning of Paper Packaging Container CAD System;
包装纸盒CAD系统的尺寸标注研究与软件开发
Packaging and Transportation of Radioactive Materials
放射性材料包装和运输
a hamper for packing and transporting food.
包装和运输食物的大篮。
" Packaging-Complete, filled transport packages-Water spray test"
GB/T4857.9-1992包装运输包装件喷淋试验方法
Packaging--Transport packages--Bump test method
GB/T4857.20-1992包装运输包装件碰撞试验方法
Packaging--Transport packages--Mould-proof Packaging test method
GB/T4857.21-1995包装运输包装件防霉试验方法
Packaging--Transport packages--Vertical impact test method by dropping
GB/T4857.5-1992包装运输包装件跌落试验方法
Packaging--Transport packages--Rolling test method
GB/T4857.6-1992包装运输包装件滚动试验方法
