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  upper threshold
     Some properties of the superconducting mechanism with an inverted population have been discussed by means of the Bogoliubov transformation method. A gap equation at finite temperature is hereby derived. We find that the superconducting phase is present in the region from the lower threshold value μc1 to the upper threshold value μ2 of Fermi quasilevel μ, and in this region the superconducting gap △ increases with μ.
     本文用Bogoliubov变换方法讨论了具有粒子数反转超导机制(半导体型)的一些性质,给出了有限温度下的能隙方程,发现超导相存在于准Fermi能级μ的下阀值μ_c_1到上阀值μ_c_2区间,在这区间的超导能隙△随μ的增加而增加。
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  “上阀”译为未确定词的双语例句
     Technological Process of Valve Bodies Forged by Multiple Impression Die on Air Hammer
     空气锤上阀体多模膛模锻工艺的研究
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     Research and application of topside valve house of pump plunger
     抽油泵活塞上阀罩的改进与使用
短句来源
     DEVELOPMENT AND APPLICATION OF BREAK PREVENTION TOP VALVE HOUSING FOR OIL WELL PUMP PLUNGER
     抽油泵柱塞防断上阀罩的研制与应用
短句来源
     A description is given to the structure, operating principle and design calculation result of DC non-spring, double-acting hydro-hammers used in large diameter drilling. The method of measurment and adjustment of its stroke, upper valve stroke and upper valve free stroke,lower valve stroke and lower valve free stroke are presented.
     介绍了用于大口径钻探的DC型无簧式双作用液动冲击器的结构和工作原理以及设计计算结果,给出了其冲程、上阀程和上同自由行程、下阀程和下阀自由行程的测量及调整方法。
短句来源
     The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.
     标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。
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  相似匹配句对
     Membrane Valve
     薄膜
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     Axial Force of Conical Valve
     圆锥的轴向力
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     Back seal ball valve
     密封式球
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     Application of Proportionate Directional Selecting Valves in Tunnel Boring Machines
     比例换向在全断面掘进机的应用
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  upper threshold
Non-flying females also respond negatively, by ceasing all movement, upon hearing ultrasonic pulses delivered at rates below an upper threshold value; this response is assumed to represent evasion of predatory bats, specifically gleaning species.
      
Larvae stopped feeding at the lower threshold, but at the upper threshold larval mortality prevented further feeding.
      
Moreover, they showed a dose-dependent increase in the percentage of responses in which the force excerted exceeded the upper threshold.
      
Thus, lower and upper food thresholds were demonstrated, the upper threshold approached both from 'above' (laboratory study) and 'below' (field study).
      
molecular orientation) and pulling temperature (Tpull) under the testing conditions: Tαβ>amp;lt;Tc>amp;lt;Tβα and Tαβ>amp;lt;Tpull>amp;lt;>amp;gt;T βα, where Tαβ and Tβα are the lower and upper threshold temperature of the β-formation, respectively.
      
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Some properties of the superconducting mechanism with an inverted population have been discussed by means of the Bogoliubov transformation method. A gap equation at finite temperature is hereby derived. We find that the superconducting phase is present in the region from the lower threshold value μc1 to the upper threshold value μ2 of Fermi quasilevel μ, and in this region the superconducting gap △ increases with μ.

本文用Bogoliubov变换方法讨论了具有粒子数反转超导机制(半导体型)的一些性质,给出了有限温度下的能隙方程,发现超导相存在于准Fermi能级μ的下阀值μ_c_1到上阀值μ_c_2区间,在这区间的超导能隙△随μ的增加而增加。

A description is given to the structure, operating principle and design calculation result of DC non-spring, double-acting hydro-hammers used in large diameter drilling. The method of measurment and adjustment of its stroke, upper valve stroke and upper valve free stroke,lower valve stroke and lower valve free stroke are presented.

介绍了用于大口径钻探的DC型无簧式双作用液动冲击器的结构和工作原理以及设计计算结果,给出了其冲程、上阀程和上同自由行程、下阀程和下阀自由行程的测量及调整方法。

By experimenting and researching on the overlaps on hight pressure valve covers,analyzes what Cause the overlaps on forgings,makes a new rolling Cavity designing plan whic h avoids the orverlaps and assures the quality of forgings.

通过对高压阀门上阀盖零件产生折迭的试验与研究 ,分析锻件上产生折迭的原因 ,确定新滚压模膛的设计方案 ,杜绝了折迭的产生 ,保证锻件质量。

 
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