face shield

Loading Method of Test for Double - circular Face Shield - Tunnel Lining

双圆盾构法隧道衬砌1∶1结构试验加载方法研究

For work under conditions of special hazard ( explosion , corrosive chemicals ), use a face shield .

在特别危险的情况下（有爆炸、腐蚀性的化学工作）应使用面罩。

The connection between face shield and soil nailing determines the distribution of the axial force along length ;

土钉和面层的连接方式决定着土钉长度方向上的轴力分布形态；

The influence of face shield involves its connection with soil nailing and its stiffness on soil nailing wall ;

面层主要通过面层与土钉的连接和面层的本身刚度两个方面对土钉内力和墙体变形产生影响；

The face shield of life jacket can be matched with a plurality of existing face bare type survival suit .

救生服面罩可以与现有的各种面部裸露式救生服配套使用。

The aim of the utility model is to make the installation structure of a driver 's seat simplified and increase the switching operability of a front face shield .

本实用新型的目的是使驾驶座的安装构造简单化，提高前面罩的开闭操作性。

The technician who worked with the samples wore gloves and a gown , but no face shield , and may have been exposed .

经手这些样本的那名技术人员戴了手套，穿了大褂，但没有戴面罩，因此可能接触到了病毒。

Give a person the glad eye Safety requirement : Hardhats , Safety Glasses , Dust Mask , Face Shield , Ear Muff , and etc.

向某人送秋波[抛媚眼]必须佩戴下列个人防护用品：安全帽、安全眼镜、面罩、防尘面罩、护耳器等。

Wear loose-fitting leather gloves , face shield , safety glasses , and long-sleeved shirt or jacket when connecting , disconnecting , or opening cylinders , or whenever the possibility for exposure exists .

当连接、断开或开启钢瓶时，或者在任何存在暴露的可能性的时候，要穿戴宽松的皮手套、面罩、安全眼镜和长袖衬衣或夹克。

Numerical analysis of the instability of excavation face in shield construction

盾构施工中开挖面失稳数值分析

Safety and high efficient coal mining technology for coal mining face with shield supports

掩护支架工作面安全高效开采技术

A study on the limit support pressure at excavation face of shield tunneling

盾构法隧道开挖面极限支护压力研究

Analysis of Research Methods for Face Stability at Shield Tunneling

隧道盾构法施工开挖面稳定性研究方法评析

Study on the Face Stability of Shield Tunnel with Large Diameter

大直径盾构正面稳定性研究

Ways to Improve Unit Productivity in Working Face with Flexible Shield Support

提高柔性掩护支架采煤面单产的途径

Study on the face stability of shield tunnel in sand with numerical simulating technique

渐开线的动态仿真盾构隧道开挖面稳定数值模拟研究

Study on limit supporting pressure and stabilization of excavation face for shallow shield tunnels in sand

浅埋砂土中盾构法隧道开挖面极限支护压力及稳定研究

Slurry pressurized effect on strength and deformation characteristics of clay soil at excavation face in slurry shield

黏性土层中泥水盾构泥浆作用对开挖面土体强度和侧向变形特性影响研究

Analysis of effect of slurry infiltration on shear strength of soil of excavation face in slurry shield under general stress condition

一般应力状态下泥浆渗入对泥水盾构开挖面土体剪切强度影响分析

The Analysis of Face Stability in Shield Tunneling on Multi-layer Soil Condition and with Consideration of Opening Area of Cutterhead

多层土及考虑刀盘开口面积的盾构开挖面稳定性分析

Not only deformation was controlled , but also cost and engineering time were reduced . The Analysis of Face Stability in Shield Tunneling on Multi-layer Soil Condition and with Consideration of Opening Area of Cutterhead

作为大面积、深开挖的基坑工程既控制基坑变形又达到降低工程造价、缩短工期的目的。多层土及考虑刀盘开口面积的盾构开挖面稳定性分析

An Inquisition into Calculation of Earth Pressure of Tunnel Face for the Slurry Shield

有关泥水加压式盾构机掌子面土压力计算的探讨

Research on Dynamic Balance Mechanism of the Excavation Face with Earth Pressure Shield in Sandy Cobble Ground

砂卵石地层土压盾构开挖面动态平衡机理研究

Analysis and handle some question and hitch in the mining coal face of hydraulic powered shield supports

掩护支架工作面问题分析和故障处理

Application of Remote Controlled Face End Hydraulic Powered Shield Support to Rapid Removing of Fully Mechanized Longwall Mining Face Equipment

遥控式端头掩护支架在综采面快速回撤中应用