查询词典 critical pressure

Isobutane has a specific gravity of 0.56, a boiling point of 11°F at 14.7 psi, a vapor pressure of 72 psia at 100°F, a critical temperature of 275°F, and a critical pressure of 529 psia.

异丁烷的相对密度为0.56，在14.7磅/平方英寸压力下的沸点为11°F，在100°F温度下的蒸气压力72磅/平方英寸，临界温度为275°F，临界压力为529磅/平方英寸。

The optimum reaction conditions were found finally. The results showed that the suitable conditions are under methanol solvent reaction temperature 40℃,the concentration of catalyzer TS-1 0.6%.,reaction time 60 minutes,propylene pressure 0.4Mpa under methanol solvent.Under Supercritical fluid system,the reaction temperature was 33.7℃(supercritical and near critical temperature),the reaction pressure was 7.58Mpa(near critical pressure and critical pressure range. propylene ), propylene pressure 0.65Mpa, reaction time 45min, cosolvent molality 4%.

而超临界体系下反(来源：4e56ABC论文网www.abclunwen.com)应温度适宜在近超临界和临界温度(33.7℃)以上，反应压力也是接近临界压力或者处于临界压力范围(7.58Mpa)，丙烯压力是0.65Mpa，反应时间45min，共溶剂甲醇摩尔浓度4%，在此反应条件下，反应的转化率98%，选择性96%，收率94%，与传统条件相比较，收率提高了20%左右。

The saturated liquid densities of HFC227ea and the vapor-liquid coexistence curve were measured, the critical temperature and critical density were determined by the critical opalescence phenomenon, and then the critical pressure was determined by vapor pressure equation.

测量了HFC-227ea饱和液体密度和临界区的气液共存线，确定了HFC-227ea的临界温度、临界压力、临界密度；推算了HFC-227ea的饱和气体密度，并验证了其可信度；关联了饱和气液密度，提出了高精度的HFC-227ea饱和气液密度关联式；关联了临界区气液共存线，可精确再现HFC-227ea临界区性质，并根据临界幂定律导出了HFC-227ea的临界指数和临界幅值。

The sample is subjected to primary dispersion by a primary dispersion flow that reaches a critical pressure and a subsonic speed, and the sample is then subjected to a secondary dispersion by a secondary dispersion flow that is different in direction from the primary dispersion flow and that reaches a critical pressure and a subsonic speed.

该试样受到达到临界压力和亚音速的初次分散流的初次分散，然后试样接受与初次分散流方向不同且达到临界压力和亚音速的二次分散流的二次分散。

Auniformfast calculation model for CO2 thermodynamic and transport properties in sub-critical pressure region,covering pressure fromthe pressure of triple point to critical point,superheating of 0~200 K,subcooling of 0~87 K,was presented.

提出CO2亚临界压力区具有统一形式的热力性质和传输特性的显式计算模型。

The pressure drop along the horizontal wellhole was combined with the critical pressure drop of the bottom water-driven reservoirs, thus the relation between the critical pressure and the critical flow rate when the horizontal well originally put into production was researched,which provide a reference for the design.of the deliverability of the horizontal well used in the bottom water reservoir existing the bottom water coning.

把水平段压降和底水油藏临界压力结合起来，研究了考虑水平段压降时的水平井初期生产的临界压力和临界产量的关系，为存在底水锥进油藏水平井产能设计提供了参考依据。

Be able to explode ignites （3000Till 4000 ℃,This also is living over-dose air and the numeric value when possesing remains waste gas only ,In case according to the ideal air/fuel ratio layout ,There is not waste gas ,The temperature gathering is taller ）Oil30 grams may be cause （90℃ tail gas preheats ）Steamization （Vaporization heat 2282.7J\g ）……At the respect of the pressure swelling ,Even if being in the critical of water （374℃）Condition ,Critical pressure 21.83MPa of water 、Carbon dioxide critical（31.1℃）Pressure 7.38MPa also is some -fold of a rule piston style explosive motor pressure 5--9MPa （Dalton's Law or the Law of Additive pressures）……For emploing the capacity means difference ,Therefore the composition is different as black and white .

一克爆燃（3000至4000摄氏度，这也只是在过量空气和有残余废气时的数值，如果按理想空燃比配置，没有废气，温度会更高）的油可以使30克（90摄氏度尾气预热）的水汽化（汽化热2282.7J\g）……从膨胀压力方面来说，即使处于水的临界（374摄氏度）状态，水的临界压力21.83MPa、二氧化碳的临界（31.1摄氏度）压力7。 38MPa也是常规活塞式内燃机压力5--9MPa的几倍（压力叠加定律，道尔顿定律）……因为用能方式不同，所以结构就截然不同。

As the plastic region expansion on circle plate under extemal pressure is smaller than that under equal internal pressure, it can be qualitatively reckoned that the critical pressure of in-plane instability under external pressure is higher than that under internal pressure with the same axial displacement load.

由于外压增量导致环板内塑性区域扩展的范围小于等值内压的影响，因此可以定性的认为，在同样的轴向压缩量下，波纹管的平面失稳外压临界压力大于内压临界压力。

The physical character of the super-critical hydrogen in the regenerative cooling channel is studied : started with the physical character of the super-critical hydrogen , using the method of least square , figuring out the state equation which is applicable to the state from liquid to the super-critical in the super-critical pressure , the constrained convection and the heat transfer in the super-critical channel are simulated using the equation , the results of the simulation are identical with the experiment in the same condition .

对再生冷却通道内的超临界氢的物性进行了研究：从超临界氢物性的实验结果入手，用最小二乘法拟合出适用于超临界压力下氢由液态过渡到超临界态的状态方程，并利用该方程对超临界氢管内强迫对流换热进行了数值仿真，仿真结果与相同条件下实验结果相一致。

Firstly, based on the analysis of viscosity data, combined with other methods, a new method is proposed to calculate the viscosity of saturated vapor of halides. The calculation can be done on condition that the critical temperature, critical pressure, critical specific volume, molecular weight and the eccentric factor are known.

在理论研究上，一方面对于卤代烃的饱和蒸气粘度进行了研究分析，并结合其他理论推算方法的优点，提出了一种推算卤代烃的饱和蒸气粘度的新方法，该方法在已知临界温度、临界压力、临界比容、分子质量、偏心因子的情况下，便可以计算在有效对比温度范围内的饱和蒸气的粘度，本方法的适用范围是对比温度T〓在0.5-0.95之间，其对饱和蒸气粘度推算的平均偏差不超过5％。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。