查询词典 shield

This article introduced the antijamming in the NC system design,from the shield (including electric field shield ,magnetic screen and electromagnetic field shield ) designs mentions,added the absorbing circuit to the perceptual load to suppress the transient state noise to give the specify,might avoid the NC system which disturbed creates softly breakdown.

本文介绍了抗干扰在数控系统中的设计，从屏蔽(包括电场屏蔽、磁场屏蔽和电磁场屏蔽)设计谈起，对感性负载加吸收电路来抑制瞬态噪声做了详细说明，可避免干扰造成的数控系统的"软"故障。

This paper brings the method of the internal magnetic shield mainly from the principal of magnetic shield, the choice of shield material and the determination of its thickness.

主要从磁屏蔽原理、磁屏蔽材料的选择以及屏蔽层厚度确定等方面进行阐述。

The shielding effectiveness of cylindrical shield and the influence of the shield on the magnetic field in the solenoid are calculated by using finite element method. The curves of the shielding effectivencess and magnetic field in the solenoid against the shield dimension are obtained.

采用有限元方法计算了圆柱形屏蔽体的屏蔽效能和屏蔽体对螺线管内部磁场的影响，得到屏蔽效能和螺线管内部磁场随屏蔽体尺寸变化的曲线。

At present company's products mainly include: precision machinery Dustproof Series: rubber protective cover, oil shield, shield plate, screw shields, flexible organ-style guard rail, multi-use type shields, welding shields, stainless steel armor-type shield machine, the overall telescopic organ shields, steel plate, stainless steel guard rail machine tools, special steel products produced by telescopic guard.

目前公司产品主要有：精密机械防尘罩系列：橡胶防护罩、耐油防护罩、钢板防护罩、丝杠防护罩、柔性风琴式导轨防护罩、多用型护罩、焊接护罩、不锈钢盔甲式机床防护罩、整体伸缩式风琴护罩、钢板、不锈钢板机床导轨防护罩、特殊钢材制作的伸缩式护罩。

Judging on the radioactive rays whether they penetrated through the truncated right angle cone shield configuration. A hypothetical circumscribed rectangular parallelepiped of the they penetrated through the truncated right angle cone shield configuration. A hypothetical circumscribed rectangular parallelepiped of the truncated right angle cone shield configuration is also presented. The methods simplified the camber equation and reduced the calculation time significantly.

在判断放射线是否穿透此圆锥台体时，又提出了圆锥台形屏蔽体的假想外接长方体的建模方法，将曲面方程联立解的复杂计算简化为一次代数方程的简单计算，大幅度地缩短了计算时间。

The platoon fan shield of all sorts of norms dimension, fanner cover, medicinal powder sirocco fan cover, smoke lampblack machine shield and mechanical shield to wait.

各类标准大小的排扇子护罩、电扇子罩、散热扇子罩、抽油烟机护罩和机器护罩等。

With the purposes to shorten development period of shield control system and avoid the unsafety of imperfect-designed control system when connected directly to the shield and at the same time, for the convenience of optimal design and remote failure diagnosing of the system, it is very important to develop a test bench for the shield control system.

为缩短盾构控制系统的研发周期，避免在控制系统设计不完善时直接与盾构联机所带来的不安全性，同时也为了便于系统的优化设计和系统的远程故障诊断，有必要研制盾构控制系统检测式验台。

Analysis is made on the risks of the shield tunneling across the existing railway by means of FEM and the following technical countermeasures are proposed: firstly, preconsolidation is made for the ground where the shield passes so as to improve the ground's stability; secondly, strengthened segments with preserved grouting holes are adopted in the tunnel design; thirdly, proper resources are allocated, the construction parameters are optimized and the construction monitoring and measurement are enhanced; finally, the shield tunneling is executed strictly following the predetermined plan.

采用有限元理论分析在有无旋喷桩情况下盾构穿越铁路的风险因素、提出控制沉降的技术措施：首先对盾构穿越区的地层进行了预先加固来改良地层，使地层有较好的稳定性；其次在盾构隧道设计上采用加强性管片，并增加施工预留注浆孔；在盾构穿越过程中合理配置资源，优化施工参数，加强监测和信息化管理。

Chock Shield The chock shield combines the features of the chocks and the shield.

钢梁盾牌该钢梁盾相结合的特点，该chocks和盾牌。

LiWei INC was founded in 1999, integrating scientific research, design, production, operating in one, professional production and sale of Rock Drilling, mining accessories, engineering tools, rock drilling tools, milling machine milling teeth, milling Machine Cutter, road Mixer Cutter, coal mine cut teeth with various types of Shearer with conical teeth, knife-shaped cross-sectional tooth, boring machine with boring tooth, shield knives, metro shield machine shield configuration tools and various types of mining bits, rock drills, anchor drills, rotary drilling engineering cut-off teeth, using rotary drilling rig Rotary Drilling teeth, tooth roadheader, Rotary Drilling teeth, bucket teeth, tooth Block, and a variety of Rock Drilling Bits, including word, cross drill head, the ball tooth drill head, drill sets, drill tail, drill rod and so on.

香港立威刀具有限公司始建于1999年，集科研、设计、生产、经营于一体，专业生产和销售凿岩钎具、矿山配件、工程工具、岩土钻掘工具、铣刨机用铣刨齿、铣刨机刀头、路拌机刀头、煤矿用截齿、各种型号的采煤机用镐形截齿、刀形截齿、掘进机用掘进齿、盾构刀具、地铁盾构机用盾构刀具及各种型号的矿用钻头、岩石钻头、锚杆钻头、工程用旋挖截齿、旋挖钻机用旋挖齿、掘进机截齿、旋挖齿、斗齿、齿座和各种凿岩钎具包括一字钎头、十字钎头、球齿钎头、钎套、钎尾、钎杆等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。