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alloy
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  合金
    STUDY ON SYNTHESIS MECHANISM,PREPARATION AND MICROSTRUCTURE OF A NEW THERMAL BATTERY ANODE LI-B ALLOY
    新型热电池阳极Li-B合金的合成机制制备工艺与微观结构
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    Electrochemical Process and Electrocatalytic Properties of Hydrogen Storage Alloy for Replacing Pt as the Anode Catalytic Material in PEMFC and AFC
    储氢合金代铂作为PEMFC和AFC阳极催化材料的电化学过程与电催化特性研究
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    Study on Properties of Magnetically Controlled Shape Memory Alloy and Its Application for Actuators
    磁控形状记忆合金特性及其执行器应用基础研究
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    The Automatic Detector of Sn—Pb Alloy Composition
    Sn——Pb合金成分自动检测仪
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    Analysis of Microstructure for 3J58 Constant Elastic Alloy under the Conditions of Various Heat Treatment
    3J58恒弹性合金材料在不同热处理条件下的显微组织分析
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  “alloy”译为未确定词的双语例句
    Effects of Multi-component on the Phase Structure and Electrochemical Properties of Zr-based Laves Hydrogen Storage Alloy
    多元合金化对Zr基Laves相贮氢合金相结构和电化学性能的影响
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    Study on Structure and Electrochemical Performance of Ti-V-Cr-Ni Solid Solution Alloy
    Ti-V-Cr-Ni固溶体结构和电化学性能研究
短句来源
    USING MONOCHIP-MICROPROCESSOR TO MONITOR THE, COPPER ALLOY CONDENSER TUBE UNDER THE PROTECTION OF Fe~(2+)
    用单板机监控Fe~(2+)对凝汽器铜管的保护
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    Studies on the Surface Treatment of Hydrogen-Storage Alloy Powder
    贮氢合金粉体表面处理的研究
短句来源
    Structure and Magnetic Property of Directionally Solidified Hypereutectic Bi/MnBi Alloy
    定向过共晶Bi/MnBi材料的凝固特性与磁学性能
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  alloy
X-ray diffraction and selected area electron diffraction analysis showed that Pt-Sn-B/CNTs had an amorphous alloy structure that can improve catalytic performance.
      
Preparation, structure and properties of porous polyimide films via PAA/PU alloy
      
A quantitative index martensite fraction was used to describe the phase transformation degree of shape memory alloy (SMA).
      
The electrostatic-alloy bonding technique used in MEMS
      
Electrostatic-alloy bonding of silicon wafer with glass deposited by Au to form Si/Au-glass water, and bonding of Si/Au-glass with silicon wafer were researched during fabrication of pressure sensors.
      
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Electro-eddy current non-contact vibration exciter model 78, applicable to both magnetic and non-magnetic metals, is developed for blade frequency inspection.This paper illustrates the principle, performance and characteristics of the electro-eddy current vibration exciter, with detailed accounts of various tests that have been made during its development, such as the tests of magnetic pole types, of electric analog of magnetic field, of the influence of gap between two magnetic poles, of magnetic field excited...

Electro-eddy current non-contact vibration exciter model 78, applicable to both magnetic and non-magnetic metals, is developed for blade frequency inspection.This paper illustrates the principle, performance and characteristics of the electro-eddy current vibration exciter, with detailed accounts of various tests that have been made during its development, such as the tests of magnetic pole types, of electric analog of magnetic field, of the influence of gap between two magnetic poles, of magnetic field excited by AC and DC and of the excitation effect on different relative positions between the blade and the exciter. Presented at the end of the paper are an investigation of the impedance matching of the exciter with the power amplifier and results of inspection, with the exciter, of the natural frequency of blades made of aluminium alloys, Ti-alloys, stainless steel and heat-resisting alloys.

“78型”电涡流激振器属于非接触式叶片测频设备,适合于磁性和非磁性金属材料。 本文阐明了电涡流激振器的工作原理、性能特点及其在研制过程中所做的各种试验,如磁极型式,磁场的电模拟,磁极的气隙尺寸,交、直流励磁强度和激振器对叶片的相对位置等等试验。最后,介绍了电涡流激振器与功放的阻抗匹配和用该激振器对铝合金、钛合金、不锈钢、耐热合金等各种叶片进行测频试验的结果。

The rare-earth element La with purity of 98.0% is used to prepare its alloy La3In by using livatation melting method, with Tc being 8.9 K. The effects of the high-speed liquid-phased cooling and the existing oxidation on La and La3In Tc have been observed.

使用纯度为98.0%的La,用悬浮熔炼法制备了La_3In,其T_c为8.9K。并观察了液相高速淬火和氧化对La及La_3In T_c的影响.

The Ga1-xAlxAs/GaAs Multilayer structure is formed by liquid phase epitaxy with and without back etching, with the x value being controlled within the rang of 0.8-0.9. The carrier concentration of both p-GaAs and p-Ga1-xAlxAs layers is 1 -3× 1018 cm-3 and thier thickness is about IMm. The ohmic contacts are made by AuGe-Ni for n-type GaAs and CrAu or CrAuZn alloys for p-type GaAlAs respectively. The ohmic contacts on both sides are alloyed in a single run at 430-450℃ for 45 sec depending on the juncting...

The Ga1-xAlxAs/GaAs Multilayer structure is formed by liquid phase epitaxy with and without back etching, with the x value being controlled within the rang of 0.8-0.9. The carrier concentration of both p-GaAs and p-Ga1-xAlxAs layers is 1 -3× 1018 cm-3 and thier thickness is about IMm. The ohmic contacts are made by AuGe-Ni for n-type GaAs and CrAu or CrAuZn alloys for p-type GaAlAs respectively. The ohmic contacts on both sides are alloyed in a single run at 430-450℃ for 45 sec depending on the juncting depth. The highest AMI efficiency obtained is 17.8% without the use of a suitable anti-reflection coating. The photoresponse in short wavelength region, the short circuit current and especially the open circuit voltage are not as good as those reported in recent literatures. In addition to the unsuitable anti-reflection coating and the relatively thick p-Ga1-xAlxAs window layer, the poor diffusion length ol minority carriers and high recombination rate of carriers at the interface or in the junction region are believed also to affect the conversion efficiency adversely. It is shown that LPE growth with back etching yields better results. It is expected that the conversion efficiency could be further increased by using LPE growth of n-GaAs, p-GaAs and p-Ga1-xAlxAs multilayer in a single run. This work is underway presently.

用平衡外延生长和反腐蚀生长法制备了Ga_(1-x)Al_xAs/GaAs太阳电池的外延片。x值能控制在0.8—0.9,p-Ga_(1-x)Al_xAs与p-GaAs层浓度在1—3×10~(18)cm~(-3),厚度均小于1μm。用此外延片以AuGeNi,CrAu或CrAuZn分别作n型和p型的欧姆接触,在430—450℃之间,n型与p型一起合金化,时间~45秒。在不是最匹配的抗反射层条件下,AM1最高效率为17.8%,一般效率为13—15%。与已报道的数据相比,电池的短路电流还偏低,开路电压波动较大,短波部份的光谱响应也差。对比平衡生长与反腐蚀生长的p-n结特性,它们基本上相近,而反腐蚀重生长法略好一些。

 
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