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临界压力     
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  critical pressure
     The average relative deviations (ARD%) of critical temperature T c, critical pressure p c and critical density ρ c between the calculated results and the experimental data for 16 systems are 0 44%, 1 31% and 1 01%, respectively.
     16个体系的临界温度Tc,临界压力pc 和临界密度 ρc 的计算值和实验值之间的平均相对偏差 (ARD %)分别为 0 44 %,1 3 1%和 1 0 1%.
短句来源
     Under the condition of 480~530 ℃,above critical pressure,2.5%~5.0% mass fraction of glucose,3~5 min resident time,n(Ca)/n(C) of 0.45~0.52,the mass fraction of hydrogen is up to 67.5%.
     得出了新的超临界生物质气化制氢最佳工艺条件:温度在480-530℃,压力在临界压力以上,葡萄糖质量分数在2.5%-5.0%,反应停留时间在3-5 min,n(Ca)/n(C)在0.45-0.52,H2质量分数可以达到67.5%.
短句来源
     The critical temperature of CO2 is 31.05℃ and the critical pressure is 7.38MPa.
     二氧化碳的临界温度为31.05℃,临界压力为7.38MPa。
短句来源
     According to the classical cavitation theory, the critical pressure for teginning cavitation is vapour pressure of water, and the cavitation inception number is calculated with the formula (σ_i=P_■-P_v/1/2PV_(■)~2).
     以水的气化压力(Pv)作为判别水流初生空穴的临界压力,以及在此基础上建立的计算初生空穴指数的托马公式σ_1=P_∞-P_v/1/2ρV2,迄今仍在气蚀研究中普遍使用。
短句来源
     The simulation reservoir fluid phase diagram constructed by using PVTsim10.0 software indicates that for this unsaturated reservoir a monophase reservoir fluid flow will occur under the reservoir pressure and the reservoir fluid has critical temperature 331.6℃ and critical pressure 7.66 MPa.
     采用PVTsim10.0软件得到模拟油藏相图,表明该油藏为不饱和油藏,在油藏压力下开采时油藏流体以单相渗流,油藏流体临界温度331.6℃,临界压力7.66 MPa。
短句来源
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  critical load
     A calculation method of critical load of column continuous beam-like
     连续梁式压杆的临界压力计算方法
短句来源
     In this paper, the general equation of critical conditions of elastic torsional-fl exural buckling of beam-columns is obtained by Rayleigh-Ritz method but the expression of critical load is obtained by critical moment rather than critical compression force which is different from the traditional way.
     本文用李兹法导得了梁柱弹性弯扭屈曲临界条件的一般方程,并且将其临界荷载用临界弯矩表达,而不用临界压力表达,这是与传统的方法有所不同的。
短句来源
     Calculation of Critical Load for Compression Bar with Lateral Struts
     多旁撑压杆临界压力计算
短句来源
     By means of stability theory of column, critical load of hydraulic cylinder was
     利用压杆稳定理论计算了液压油缸的临界压力,经分析推导,得到了多级液压油缸临界压力计算公式。
短句来源
     The result indicates that the critical load of dynamic instability is far more than that of static instability with regard to the equivalent length bars.
     结果表明,对于等效长度直杆,动力失稳临界压力要远大于静力失稳的临界压力
短句来源
更多       
  critical pressures
     Evaluation on Estimation Methods for Critical Properties of Organic Substances Ⅱ Critical Pressures and Volume
     有机物临界性质推算方法的评价──Ⅱ临界压力和临界体积
短句来源
     The article establishes, by means of thermodynamics,the functions of temperature and pressure in the equlibrium state while calcite,dolomite and siderite react on liquid water containing gas CO_2. Their highest critical temperatures are 266K and 264K and 261K and their lowest critical pressures 86. 5MPa,106. 8MPa and 133. 7MPa respectively.
     本文运用热力学原理确立了方解石、白云石、菱铁矿分别与含CO_2水溶液反应平衡时的温度和压力函数关系式。 它们反应平衡所需要的最高临界温度分别为266K,264K和261K,最低临界压力分别为86.5MPa,106.8MPa和133.7MFa;
短句来源
     The largest error of calculated critical pressures from vdW EOS is above 60% and the average error is above 14%.
     其中:vdWEOS对这些物质临界压力描述的最大误差在60%以上,平均误差在14%以上;
短句来源
     At sub-critical and near critical pressures, the boiling heat transfer characteristics of water in the inclined upward smooth tube of the inclined angle of α=20° and the vertical upward smooth tube with the diameter of Φ32×3mm were researched experimentally.
     在亚临界及近临界压力下,对Φ32×3mm 不锈钢倾斜上升光管(倾角α=20°)及垂直上升光管中水的沸腾传热特性进行了试验研究。
短句来源
     The boiling heat transfer characteristics of downward steamwater two-phase flow inφ18×3 vertically tube are investigatedexperimentally at subcritical and near critical pressures.
     本文阐述在亚临界及近临界压力区,φ18×3不锈钢管内竖直下降汽水两相流沸腾传热特性的实验研究。
短句来源
更多       
  critical compressive force
     Improvement on Calculational Formula Deduction of Critical Compressive Force of Slender Column
     细长压杆临界压力计算公式推导的改进
短句来源
     The critical compressive force of drill stem compressed in horizontal well is analyzed and calculated in this paper,and the calculation formula of critical compressive force of drill stem in horizontal well is deduced.
     对水平井眼中钻柱所能承受的临界载荷进行了分析计算,推导出了水平井眼中钻柱临界压力的计算公式。
短句来源
     In this paper, the critical load of horizontal drill stem is analyzed and calculated on the basis of considering this factor, and the new calculation method of critical compressive force of horizontal drill stem is proposed.
     在考虑这一因素的情况下对水平井眼中钻柱所能承受的临界载荷进行了分析计算,提出了水平钻柱临界压力的一种新的计算方法。
短句来源
     In this paper the horizontal drill stem being looked upon as compressed rod in axis hinged in both side and situated at elastic support,the critical compressive load of horizontal drill stem is analyzed and calculated by static force balance method,and the formula calculating the critical compressive force is derived.
     文章把水平钻柱看作位于弹性支撑上的两端铰接的轴心受压杆件,利用平衡法对水平井眼中钻柱所能承受的临界载荷进行了分析计算,推导出了水平井眼中钻柱临界压力的计算公式。
短句来源

 

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  critical pressure
Based on the experiments, it was found that heat transfer enhancement of the internally ribbed tube could postpone departure from nucleate boiling at the sub-critical pressure.
      
However, the heat transfer enhancement decreased near the critical pressure.
      
At supercritical pressure, the temperature difference between the wall and the fluid increased near the pseudo-critical temperature, but the increase of wall temperature was less than that of departure from nucleate boiling at sub-critical pressure.
      
When pressure is closer to the critical pressure, the temperature difference between the wall and the fluid increased greatly near the pseudo-critical temperature.
      
As ΔPincreases, an advancing meniscus forms contact angle of 50°-60° due to the film rupture when it reaches critical pressure in the thinnest part near the meniscus.
      
更多          
  critical load
Analysis of a Communication Network Governed by an Adaptive Random Multiple Access Protocol in Critical Load
      
The value of the network critical load is found; in the critical load, asymptotic probability distributions for states of the information transmission channel and for the number of requests in the source of repeated calls are found.
      
Acidic soil, large deposits of sulfur pollutants in relation to the critical load, the presence of soot and soluble salt, and conditions giving access to water and air were found to accelerate the deterioration.
      
Physical, mechanical, and tribological characteristics of coatings were comparatively analyzed, including determination of the hardness, elastic modulus, elastic recovery, critical load, friction coefficient, and wear rate.
      
The resulting asymptotic solution can be used readily to perform the analysis of parameters and predict the buckling critical load.
      
更多          
  critical thrust
It is argued that the anti-critical thrust of nostalgia masks the crises of monopoly capitalism and redirects the conflicts in manageable channels.
      
  critical pressures
Approximate calculation of the critical pressures for turbulent boundary layer separation and attachment in supersonic flow
      
Results are given of an investigation of heat transfer under conditions of boiling of subcooled benzene and toluene at close-to-critical pressures in a vertical straight and horizontal coil pipes.
      
Prediction of Critical Temperatures and Critical Pressures of Some Industrially Relevant Organic Substances from Rather Simple T
      
The simplest topological molecular parameters were applied to predict critical temperatures and critical pressures in terms of the QSAR/QSPR theory.
      
The components of the superfluid density tensor are calculated near the critical pressures.
      
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