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unidirectional current
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  “unidirectional current”译为未确定词的双语例句
     Circuit Approach Solution for Magnetic Shielding by Cylindrical Shells Against a Unidirectional Current Source
     有外回路的金属管屏蔽单电流磁场源的电路法解析
短句来源
     Metallic cylindrical shell with external loop can effectively shield the magnetic field excited by a unidirectional current. The shielding effectiveness is usually evaluated by numerical method, which is not convenient for application.
     有外回路的金属管能有效屏蔽单电流磁场源,但屏蔽效果的计算要用数值方法,不便于应用.
短句来源
  相似匹配句对
     Studying unidirectional motion mechanism of molecular motor is studying the current.
     探讨马达定向运动机制就是研究几率流。
短句来源
     Velocity profile of unidirectional steady current in a saltmarsh canopy
     海岸盐沼植物单向恒定水流流速剖面
短句来源
     DISPLACEMENT CURRENT
     位移电流
短句来源
     On Ampere Current Theorem
     对安培环路定理的讨论
短句来源
     (3) unidirectional linearity;
     (3)单向线性;
短句来源
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  unidirectional current
The use of unidirectional current in the treatment of mental disorders
      
Polarization resistance measurements in large concrete specimens: mathematical solution for a unidirectional current distributio
      
Larger errors, approaching or even exceeding the unidirectional current being measured, occurred when the velocity of the oscillatory flow exceeded that of the unidirectional flow.
      
Differences between the indicated velocity (under the combined flow) and the unidirectional current velocity were found to be small only when the magnitude of the wave-induced currents was smaller than that of the unidirectional currents.
      
The effects of wave-induced oscillatory currents may cause impeller-style current meters to produce records which incorrectly represent the unidirectional current fields in which they are placed.
      
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A set of storm deposits can be identified in Tongjun Hill profile, Anji Formation, Lower Silurian. Three kinds of different sequences, that is, rock assemblages, sedimentary structures and erosive features can be distinguished in the zone between normal and storm wavebases, the best developed one is characterized by large amounts of bedding types and the complex bedding assemblage, and the other two sequences tend to be more simple seawards and landwards. Both oscillation current and seaward bottom unidirectional...

A set of storm deposits can be identified in Tongjun Hill profile, Anji Formation, Lower Silurian. Three kinds of different sequences, that is, rock assemblages, sedimentary structures and erosive features can be distinguished in the zone between normal and storm wavebases, the best developed one is characterized by large amounts of bedding types and the complex bedding assemblage, and the other two sequences tend to be more simple seawards and landwards. Both oscillation current and seaward bottom unidirectional current occured in storm water-regime lead to the coexistence of bed load and suspended load in storm deposition, which can be recognized, as an important indicator. The horizontal occurrence of the storm sand indicates that the sediment supply is derived from adjacent land rather than from relict sand, which illustrates that the storm sand is allochthonous sediment.

浙江西部桐君山剖面下志留系安吉组可确认出一套浅海风暴沉积,发育三种不同类型的风暴层序,其中包含盆内泥砾、丘状层理、反递变层理及其他沉积构造。在正常和风暴波基面之间的地带,其中部风暴层序发育最佳,由此向海向陆均趋简单化。风暴砂层是由振荡流、风暴流、推移质和悬移质共同作用形成的,并且是由异地沉积而不是残留砂改造而成。

This pa pe r presents the effective shielding design for magnetic fields generated by unidi rectional current based on the analysis of the shielding effectiveness of severa l kinds of current sources.Theoretical formulas and numerical computation softwa re based on the boundary element method are employed to find the effective shiel ding solution.It is shown that ungrounded cylindrical metallic tube has no shiel ding effectiveness for unidirectional current.Effective shielding can be reached by connecting...

This pa pe r presents the effective shielding design for magnetic fields generated by unidi rectional current based on the analysis of the shielding effectiveness of severa l kinds of current sources.Theoretical formulas and numerical computation softwa re based on the boundary element method are employed to find the effective shiel ding solution.It is shown that ungrounded cylindrical metallic tube has no shiel ding effectiveness for unidirectional current.Effective shielding can be reached by connecting the two ends of the tube with low impedance connector,or alternat ively,grounding the two ends.Experiments are also carried out,and the result s upports this conclusion.

在分析了对几种不同电流源产生的磁场进行屏蔽的机理的基础上,讨论了单电流产生的磁场的有效屏蔽方法。通过理论推导、边界元数值计算和试验验证表明,两端用低阻抗连接或者良好接地的金属管才能有效地屏蔽单电流产生的磁场,不接地或单端接地的金属管对于这种磁场没有屏蔽作用。

Metallic cylindrical shell with external loop can effectively shield the magnetic field excited by a unidirectional current. The shielding effectiveness is usually evaluated by numerical method, which is not convenient for application.A circuit approach was employed to derive the shielding effectiveness of the metallic shell with external loop. Close-form expressions of the circuit parameters and easy-to-use formula for the calculation of shielding effectiveness were given. The effectiveness of the derived...

Metallic cylindrical shell with external loop can effectively shield the magnetic field excited by a unidirectional current. The shielding effectiveness is usually evaluated by numerical method, which is not convenient for application.A circuit approach was employed to derive the shielding effectiveness of the metallic shell with external loop. Close-form expressions of the circuit parameters and easy-to-use formula for the calculation of shielding effectiveness were given. The effectiveness of the derived formula was validated by 2-D boundary element method simulation and laboratory measurements. Application example was also given.

有外回路的金属管能有效屏蔽单电流磁场源,但屏蔽效果的计算要用数值方法,不便于应用.本文提出用电路法求解其屏蔽效能,推导了电路参数,给出了便捷的磁场和屏蔽效果解析计算式,并用边界元法计算软件和实验测量方法进行了验证.最后,给出了工程应用的实例.

 
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