1.
Efficient Protection Distance and Area of Farmland Protective Forest in Karamay
克拉玛依农田防护林带的有效防护距离与面积研究
2.
Long-distance: effective induction distance is3-8 meters.
远距离，有效感应距距离为3-8米。
3.
Comparative study on technology methods determining atmospheric environment and hygienic prevention distances
大气环境防护距离与卫生防护距离确定技术方法对比研究
4.
Research on the Optimum Protection Distance for Anti-metal-jet with Protecting Wall
防护墙抗金属射流侵彻最佳防护距离研究
5.
torpedo effective range indicator
鱼雷有效距离指示仪
6.
Nominal Ocular Hazard Distance and Nonlinear Optical Protective Material
标识危害距离及非线性光学防护材料
7.
Study on Water Hammer Protection in Multi-fluctuation and Long Distance Pipeline
长距离多起伏输水管道水锤防护研究
8.
Research on the Computation of Health Protection Zone for Machinery Industries;
机械工业卫生防护距离计算方法的探讨
9.
Water Hammer Analysis and Prevention in Long Distance Pumping Water Transmission System;
长距离泵输水系统水锤分析与防护研究
10.
Study on Distance Protection of Power Frequency Electric and Magnetic Field from Transmission and Power Transfer;
输变电设备电场、磁场分布和距离防护研究
11.
Technical Method on Determination of Health Protection Zone for Industrial Enterprise;
确定工业企业卫生防护距离技术方法研究
12.
Calculating analysis and application on the hygienic protecting distance of the bio-enzyme preparation factory;
生物酶制剂厂卫生防护距离的计算分析与应用
13.
Study on the Way to Waterhammer Protection in Long Distance and Heavy Calibre of Flow Flat Water Supply Pipe
长距离大管径平坦输水管道水锤防护研究
14.
Study on Waterhammer Protection in Long Distance and Large Scale Area of Water Diversion System
长距离大型区域输水系统水锤防护研究
15.
Study on Water Hammer Protection in Long Distance Water Pipeline with High-lift and Multi-fluctuation
长距离高扬程多起伏输水工程水锤防护研究
16.
Study on the Prevention Hammer of Long Distance Water Gravitational Transportation Pipeline System
长距离重力流输水管道系统的水锤防护研究
17.
A Method for Calculating Safety Distance of High-sulfide Gas Well in Complex Mountainous Terrain
复杂山区地形高含硫气井安全防护距离研究
18.
Discussion on Calculation of Environmental Protection Zone for Domestic Waste Incineration Plants
生活垃圾焚烧厂的环境防护距离计算方法探讨