1) three way pipe for drawing
放矿三通
2) three-pass amplifier
三通放大
1.
The calculated output pulse profiles from the Q-switched oscillator and the three-pass amplifier are given.
计算了脉冲三通放大波形。
3) three-path amplifier
三通道放大器
4) ore drawing
放矿
1.
Study on Reasonable Cut-off Grade for Ore Drawing in Sublevel Caving Method;
无底柱分段崩落法合理放矿截止品位的研究
2.
After analyzing the movement law of ore drawing body,the basic parameters of sublevel mine in a gold mine are calculated by the experiment result of single model and surface model in a lab.
介绍了无底柱分段崩落法放矿基本原理,利用室内单体模型和平面模型的放矿试验,分析了放矿体的流动规律,并据此确定了某金矿无底柱分段崩落法的基本结构参数。
3.
An analysis of a few applications of movable probability field in simulated computer ore drawing is conducted, and the mistakes of adopting movable probability field in computer simulation are pointed out and theoretically proved.
对移动概率场在计算机模拟放矿中的几种应用方式进行了深入地分析,阐述了采用移动概率场的原地移动概率进行计算机模拟的错误,并从理论上做出了证明;也证实了采用取空位上9个单元并取第一层的移动概率进行计算机模拟的正确性。
5) drawing
[英]['drɔ:ɪŋ] [美]['drɔ·ɪŋ]
放矿
1.
By adopting the method of current order drawing ore balance between income and expenditure and utilizing the Xiaoguanzhuang iron mine economic index of 2002, the paper has respective calculated the economic and rational drawing cutoff grade of Xiaoguanzhuang iron mine and Luzhong metallurgic mine corporation from variant angles.
本文采用当次放出矿石收支平衡方法,利用小官庄矿2002年经济指标,从立足于小官庄矿和矿山公司两个角度,分别计算了小官庄矿经济合理的放矿截止品位。
2.
The computer simulation of drawing process is described based on analysis of flowing characteristics of heterogeneous loose body in drawing process.
分析非均匀矿岩散体在放矿过程中的流动特点 ,提出非均匀矿岩散体计算机模拟放矿过程的思路。
3.
As a result,verified by operation practice,it shows that exerting cut off grade drawing system is reasonable.
对梅山铁矿采用不同结构参数过渡的损失、贫化问题进行了研究 ,研究结果表明 :现行的截止品位放矿制度是合理的 ,并在生产实践中得到了验证。
6) 3D digital mine ventilation system
三维数字矿井通风系统
补充资料：刘小放
河北黄骅人。中共党员。1962年毕业于黄骅师范。1964年开始发表作品。1967年后历任沧州根治海河指挥部创作员，某野战军宣传队创作员，河北省文联《长城》杂志编辑，《诗神》杂志副主编，《文论报》主编、《长城》杂志主编。文学创作一级。1985年加入中国作家协会。现为河北省作家协会副主席。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条