The experimental results indicate that the minimum discharge voltage of piercing ascents with the increasing of blank thickness and cross section quality is better when the discharge voltage is higher than the minimum discharge voltage under the same blank thickness.
研究结果表明:冲孔所需最小成形电压随着板料厚度的增加而增加;对于同一厚度的铝板,当电压大于最小冲孔电压时,电压越大,断面质量越好;在3种成形方式中,板坯上下放置弹性传压介质的成形方式毛刺区域最小,断面质量最佳,但所需能量最大。
An analysis was made on the influences of big-clearance blanking to the cross section quality of the parts and to the wear of the dies.
对大间隙冲裁与冲件断面质量、模具磨损的影响进行了分析 ,并提出了提高模具寿命的具体方
The development & application programs of the automatically collecting,communicating,processing data in The Section Surveying were discussed systemically on the Topcon 210/220/310 & 600 serials ETS(Electronic Total Station) with the CPU in the paper.
本文系统地介绍了拓普康(Topcon)210/220/310系列及600系列带有内存的全站仪在断面测量中进行自动数据采集过程以及数据传输及处理程序的开发应用。
This paper presents a method of road section surveying.
提出在道路断面测量中,使用电子手簿与全站仪配合,利用电子手簿的计算功能,实时计算出当前测量点的里程与偏距,与测量的坐标点与高程结合,获得断面测量数据,实现断面测量的方法。
The basis has been established to carry out section survey.
简述了RTK坐标法断面测量原理,提出了断面筛选及转换为标准断面数据DH格式的程序设计方法,以提高断面测量的作业效率和成果精度。
Combined the methods of the ground and underground traverse survey with elevation leveling survey,and considering the result of tunnel section survey and detection of ground penetrating radar,the southwest side cable tunnel and cable conductors outside the tunnel on the crossing of main arterial highway and subordinate highway in the city were surveyed,and the surveying result was obtained.
综合采用井上、井下导线测量和高程水准测量方法,结合隧道断面测量和地质雷达探测结果,对某城市次干道与主干道相交处西南侧电缆隧道及隧道外电缆线进行测量,并综合测量结果,确定了该次干道原设计匝道与主干道下方电缆隧道及其附属设施的具体位置和顶板标高,以及110 kV电缆的平面位置、标高和与隧道的连接位置,获取了修改原设计方案的资料。
Based on road design information,we derived coordinates of arbitrary points in the pile and cross-sectional azimuth which may guide global positioning system(GPS) surveying in section surveys.
根据道路设计信息,推导出线路坐标系下任意中桩点的坐标计算公式和横断面方位角,由计算得到的横断面方向指导野外GPS断面测量。
Research on Controlling Cutting Quality of Abrasive Water Jet;
磨料水射流切割断面质量控制的研究
Study on Mechanism and Cross Setion Quality of Bar Material under Hight Speed Precision Shear
棒料高速精密剪切机理和断面质量的研究
Research on Establishment the Quality Evaluation Indicator System for Cross-section of Caragana;
柠条平茬断面质量评价指标体系的研究
Experiment investigation on blanking fracture surface quality in high-speed & precision progressive stamping
高速精密级进冲压中的冲裁断面质量实验研究
Total Quality Control Management in Diagnostic Radiology Division
放射诊断科全面质量控制的管理初探
The Expert System Application in Fault Diagnose and Quality Forecast;
专家系统在故障诊断和质量预测方面的应用
Manufacture and Quality Control of Lining Segment of a Construting Tunnel Constructed by TBM
TBM全断面掘进隧洞预制管片的施工及质量控制
Application of the vertical discharge weighting method in determining the cross-section mean sediment concentration
悬移质取样垂线流量权重法测定断面平均含沙量的应用研究
There are 175 water quality monitoring sections, 29 of which are mainstream ones.
175个水质监测断面，其中干流断面29个。
Among the 66 water quality monitoring sections, the ones with Grade II ~ III water account for 31.8%.
66个水质监测断面中，Ⅱ～Ⅲ类水质的断面占31.8%。
rail profile gauge
钢轨断面磨耗测量器
Quality --Perfect quality is our everlasting goal.
质量——完美质量是永不间断的目标。
Using fuzzy-grey evaluation model of water environmental quality, water quality of Weihe river of13 sectoins, from Baoji to Weinan, has been evaluated synthetically.
The Effort to Develop the Quality-oriented Education to Improve Educational Quality;
努力推进素质教育 不断提高教育质量
Strengthen quality certification system,improve teaching quality;
加强质量保证体系建设 不断提高教学质量
Strengthen the Interior Verification of Quality System Pronote the Unceasingly Consummation of Quality System;
加强质量体系内部审核促进质量体系不断完善
Perfecting Teaching Quality Control System and Promoting Teaching Quality Improving Constantly;
健全教学质量监控体系 促进教学质量不断提高
The innovation of teaching evaluation system and the promotion of teaching quality;
创新教学质量评价机制 不断提高教育教学质量