shield相关论文
With the further development of urban construction, engineering blasting has had a wide range of applications.However, i......
本文研究了建筑物之间的屏蔽效应及周边建筑物对中心建筑雷击率的影响，根据接闪器的吸引半径和引 雷空间截面范围，提出建筑群中建筑......
In the Eastern Japan earthquake disaster 2011, radioisotopes leaked from the First Fukushima Nuclear Power Station accid......
A series of changes occur in the remaining alveolar process after whole tooth extraction.The basic question is,why do th......
In integrated circuit-grade single silicon Czochralski growth, the position and material of heat shield are main paramet......
为隧道开通而发行纪念邮票,在日本有过四回,那就是关门海底公路隧道(1958年3月9日),北陆铁路隧道(1962年6月10日),关越公路隧道(1......
Pipe jacking has become a popular method in drainage construction in Hong Kong.However,the variedground conditions enco......
PRESENT SITUATION AND FUTURE PROSPECT OF APPLICATION OF TUNNELING MACHINE TO CHINESE UNDERGROUND ENG
The application of tunneling machine to Chinese underground engineering construction is outlined,and its future prospect......
The directional crossing drilling works were applied in the West East gas pipeline (WEGTP) project. The main researchs ......
目前,隧道掘进机的机械化及自动化水平得到了很大提高,隧道掘进机可以开挖不同的地质条件下各种形状的隧道。隧道掘进机的类型也越......
The construction of an automated adiabatic calorimeter for use from 80 to 600 K is reported. The main feature of the ca......
A prototype equipment for monitoring Krypton-85 in situ is designed and set up. A series of relevantsoftware is also de......
采用 RL C模型来估计互连线间的耦合噪声并对模拟结果进行分析 ,在此基础上 ,提出了几种不同的算法实现了带串扰约束的集成电路布......
In this paper,a 3D finite element(FE) program ADINA was applied to analyzing a tunnel with 9 segment rings. The loads ac......
1. Introduction It has been a common sense that EMI control must originate in the initial design of electrical or elect......
Risk identification and risk mitigation during metro station construction by enlarging shield tunnel
Constructing a metro station by enlarging shield tunnels combined with a mining/cut-and-cover method provides a new meth......
The pulling rate in czochralski silicon (CZSi) growth is important for reducing the cost of solar cell. In this paper, d......
Researches on the key technology and equipment for rapid construction of long tunnels with large sec
Excavation and lining are two main important tasks in tunnel construction. Conventional sequential operations may not be......
Interactions of fire cycle and plant species’ reproductive characteristics could determine vegetation distribution patt......
For cooled 320×240 detector with staring focal plane array,a novel middle infrared athermal optical system is presented......
This paper mainly deals with the critical technology of earth pressure balance (EPB) control in shield tunneling. On the......
Parameter identification and pressure control of dynamic system in shield tunneling using least squa
An estimation approach using least squares method was presented for identificationof model parameters of pressure contr......
THE INFLUENCE OF THERMAL PERFORMANCE OF TWT CATHODE-HEATER ASSEMBLY BY DIFFERENT CONTACT FORM BETWEE
In this paper,the influence of thermal performance of cathode-heater assembly of Traveling Wave Tube(TWT),which has diff......
Coplanar waveguides(CPWs)are promising candidates for high quality passive devices in millimeterwave frequency bands.In ......
A simple method of balun synthesis is proposed to estimate the balun structure in the operating frequency band.Then,a ca......
An analytical model for the drain-source breakdown voltage of RF LDMOS power transistors with a Fara
An analytical model for the drain-source breakdown voltage of an RF LDMOS power transistor with a Faraday shield is deri......
Modeling and parameter extraction of CMOS on-chip coplanar waveguides up to 67 GHz for mm-wave appli
Coplanar waveguides(CPW) are widely used in mm-wave circuits designs for their good performance.A novel unified model of......
An important discovery in the Kaili Biota has been made recently, and many interesting components from ChengjiangBiota ......
The earth pressure balance(EPB) shield cutterhead structure, which features an opening ratio and opening distribution as......
高值电阻的测量是电磁学计量的重要内容之一，其精确测量依赖于各个环节的质量保证。本文分析了电缆的弯曲或振动产生噪声电流的原理......
A man of the state of Chu had a spear and a shield for sale. He shouted loudly to praise his shield. “My shield is s......
Finite Element Analysis of Shrinkage in the Interface of Functionally Graded Concrete Segment Used i
In functionally graded materials (FGM), the problem of interface stability caused by the volume deformation is commonly ......
N0TOPicsttPPllt砚“”11dste广、PPll‘砚L.ultdsteA method for Purifieation and 2002.12.04eoneentration of Pu in reProeess......
A new method to reconstruct a comparatively complete muscle model of the human lower limb from CT and MRI data is presen......
This paper presents the reason for instability of underground construction.In order to know failure mechanism during the......
A prompt gamma neutron activation analysis system with a 252Cf neutron source for on-line cement analysis has been simul......
Effects of C,N-Codoped on the Corrosion Resistance of TiO_2 Films Prepared by Plasma Surface Alloyin
C,N-codoped TiO 2 films have been deposited onto stainless steel substrates using plasma surface alloying and thermal ox......
Ni layers were deposited on the two sides of pure Fe substrate by using electroplating to form Ni/Fe/Ni diffusion couple......
High level of structural and waterproofng stability leads to long-term service life in underground infrastructures.Inter......
McAfee公司在Las Vegas的Comdex展览会上,推出了其最新的针对Microsoft公司Exchange 5.5的抗病毒产品——GroupShield和GroupScan......
European and Chinese scientists have recommended the Solar-wind Magnetosphere Ionosphere Link Explorer(Smile)as their ca......
The magnetic field interference was studied by numerical simulation and experimental examination during dual-ingot low-f......
The aim of this investigation was to improve power performance of Savonius hydraulic turbine utilizing small stream for ......
Occasionally,the Whipple shields are used for the protection of a space station and a satellite against the meteoroids a......
EXPERIMENT STUDIES OF THE RELATIONS BETWEEN TRANSPARENT CONDUCTIVE Al FILM THICKNESS AND TRANSMITTAN
The transmittance of the thin Al film with sheet resistance. less than 10Ω/□ is able to be over 50%. In this paper th......
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The metal powder direct and rapid prototyping technology is one of the most developing methods in the laser rapid protot......
