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电阻控制
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  resistance control
     Reviewed are the advances in the study on nano-sized Fe2O3 gas-sensing matreials from 1998 to 2002. Discussed are the preparation methods, including the methods of sol-gel, solid phase synthesis, chemical precipitation, micro-emulsion and hydrothermal, and the mechanisms, including surface resistance control (a-Fe2O3) and bulk resistance control (g -Fe2O3).
     综述了1998~2002年间纳米氧化铁基气敏材料的研究进展,对其制备方法(sol-gel法,固相合成法,化学沉淀法,微乳液法及水热法等); 气敏机理,即表面电阻控制型(a -Fe2O3)与体电阻控制型(g -Fe2O3)进行了探讨。
短句来源
     The equivalent control circuit of charge pump is developed, from which it is derived that the method of regulating output voltage employing pulse frequency modulation, pulse width modulation and conduct resistance control is actually the regulating method of adopting resistances in serial and needs to consume energy.
     建立了电荷泵的等效控制电路,从而得出采用脉冲频率调制、脉冲宽度调制和导通电阻控制调整输出电压的方法都是电阻串联的调整方法,都要消耗能量。
短句来源
  resistance controlling
     Discussion on Ground Resistance Controlling for 110kV Substation
     110kV变电所接地电阻控制探讨
短句来源
     The gassensing semiconductor Cd2V2O7 was prepared by a solid state reaction. The effects of the preparation conditions on the phases of the products have been investigated and discussed in relation to the reaction mechanism. The conductance measurement manifests that the material exhibits a typical surface resistance controlling behavior.
     采用固相反应法制备了Cd2V2O7半导体气敏材料.研究了制备条件对产物物相的影响及高温固相反应机理.电导测量表明:材料具有典型的表面电阻控制型电导行为.探讨了制备条件对气敏性能的影响.气敏测试表明,Cd2V2O7对乙醇有较好的灵敏度、选择性和稳定性以及较快的响应———恢复速度.
短句来源
     The material's conducting behaviors in air and N 2 atmospheres are studied and it is found that Cd 2Nb 2O 7 exhibits a typical surface resistance controlling type behavior.
     电导测试表明 :Cd2 Nb2 O7是一种典型的表面电阻控制型半导体材料 ;
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  “电阻控制”译为未确定词的双语例句
     Besides the requirements of high abrasive resistance and corrosion resistance, the surface resistance should be controlled in the range of 10 6 ~10 10 Ω for some electronic components requiring high antielectrostatic property.
     对于某些抗静电要求较高的电子元件 ,除需有较高的耐磨、耐蚀特性外 ,还要求表面电阻控制在 10 610 10 Ω之间 .
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     In the Paper the authors describe quality of spot welding controlled witl CU4800 controller (having constant current and dynamic resistance controh function) and introduce the Principles, features and usages of the galvanostat and the dynamic resistance controller.
     本文阐述利用Cu4800控制器(含恒流控制和动态电阻控制)对电阻点焊的质量控制状况,并介绍了恒流器和动态电阻控制器的原理、特点以及应用。
短句来源
     ZnSnO_3 is a typical surface-controlled sensor.
     ZnSnO_3周表面电阻控制型气敏材料,氧的吸附活化能为0.52eV。
短句来源
     T]le G - t property of β-CdSnO3-based sensor suggest that it is a kind of a typical surface-controlled gas an sensing material. The β - CdSnO3- based sensor without adding noble metal as catalyst has a very high sensitivity to reducing gases.
     元件的电导-温度(G-t)特征表明β-CdSnO3为典型的表面电阻控制型气敏材料,无需掺贵金属催化剂就对还原性气体响很高的灵敏度。
短句来源
     Its impedance consists of an equivalent resistance and reactance. They can be adjusted by changing the current in the windings for controlling resistance and the current in the windings for controlling reactance, respectively.
     该阻抗器由等效电抗与等效电阻串联而成,等效电抗与等效电阻可分别随电抗控制绕组和电阻控制绕组的电流控制系数来调节。
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     The object been controlled is electrical oven.
     控制对象为电阻炉。
短句来源
     Distributed Computer Control of Resistance Welding Machine Electrization
     电阻焊机通电的集散控制
短句来源
     Spin Control
     旋转控制
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     to control from view of profit;
     效率控制 ;
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  resistance control
Continuous pressure and resistance control is therefore a prerequisite for reliable organ protection.
      
Molecular genetic characterization of the distal NKC recombination hotspot and putative murine CMV resistance control locus
      
Since these data suggested that multiple NKC-linked loci could regulate viral immunity, a putative MCMV resistance control (Mrc) locus was pinpointed to within the D6Wum9-16 interval on a NKC-aligned bacterial artificial chromosome (BAC).
      
The changes of kidney circumference suggest a preglomerular site of resistance control.
      
An automatic phase tracking system using a low-frequency dithering of the resistance control setting can nevertheless be used to preserve the correct switching phase if required.
      
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  resistance controlling
It is suggested that while stomatal aperture necessarily represents a major physical resistance controlling transpiration, plant hydraulic resistance may represent the functional resistance through its effects on stomatal aperture.
      


In the Paper the authors describe quality of spot welding controlled witl CU4800 controller (having constant current and dynamic resistance controh function) and introduce the Principles, features and usages of the galvanostat and the dynamic resistance controller.

本文阐述利用Cu4800控制器(含恒流控制和动态电阻控制)对电阻点焊的质量控制状况,并介绍了恒流器和动态电阻控制器的原理、特点以及应用。

With the equivalent circuit established, equations arc obatined for calculation of the input energy and its loss during the process of starting of DC motors. Calculations are done for chopper-controlled motors and for resistor-controlled motors, and comparison is made to show that the former are power saving

本文推导出直流电动机起动过程的等效电路。根据等效电路推导出起动过程输入能量和能量损耗的计算公式。应用这些公式计算出斩波控制和电阻控制两种控制方式的起动和调速时的损耗、输入能量和效率。从而得出斩波控制的节能效果

The adsorption of oxygen on ZnSnO_3 has been studied by X-ray photoelectronspectroscopy.At temperatures ranging from 25 ℃ to 300 ℃ the charge states of thechemisorbed oxygen were found to be and O ̄-, and the former may convert into O ̄-(orO ̄(2-))with increasing temperature. ZnSnO_3 is a typical surface-controlled sensor.The activa-tion energy of oxygen adsorbed on ZnSnO3 was 0. 52eV. The ZnSnO_3-based sensor showedthe greatest sensitivity to C_2H_5OH gas than to other reducing gases:petrol, C_2H_2,LPG,andH_2....

The adsorption of oxygen on ZnSnO_3 has been studied by X-ray photoelectronspectroscopy.At temperatures ranging from 25 ℃ to 300 ℃ the charge states of thechemisorbed oxygen were found to be and O ̄-, and the former may convert into O ̄-(orO ̄(2-))with increasing temperature. ZnSnO_3 is a typical surface-controlled sensor.The activa-tion energy of oxygen adsorbed on ZnSnO3 was 0. 52eV. The ZnSnO_3-based sensor showedthe greatest sensitivity to C_2H_5OH gas than to other reducing gases:petrol, C_2H_2,LPG,andH_2.

X-射线光电子光谱(XPS)分析表明,在25~300℃时,ZnSnO3的表面存在及O ̄-两种吸附氧,且随工作温度的增加,逐渐转变成O ̄-或O ̄(2-)。ZnSnO_3周表面电阻控制型气敏材料,氧的吸附活化能为0.52eV。ZnsnO_3基元件对各种还原性气体都有一定气敏效应,它对乙醇比汽油的分辨率高5倍以上。

 
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