查询词典 under pressure

Simultaneous measurement of CORB and COTD were performed in following situations:(1)cardiac output was varied by manipulating inotropic drugs(adrenine, dobutamine, dopamine, verapamil);(2)under six different ventilatory settings:①volume controlled ventilation with tidal volume of 12ml/kg(VCV, VT 12ml/kg);②volume controlled ventilation with tidal volume of 6ml/kg(VCV, VT 6ml/kg);③pressure controlled ventilation with tidal volume of 12ml/kg(PCV, VT 12ml/kg);④pressure controlled ventilation with tidal volume of 6ml/kg(PCV, VT 6ml/kg);⑤volume controlled ventilation with high positive end-expiratory pressure.

1经肺动脉漂浮导管CVP腔注射肾上腺素、多巴酚丁胺、多巴胺、异搏定改变动物心肌收缩力，观察注射药物前、注射药物后CORB和COTD的相关性；(2)设置5组不同的机械通气参数：①容量控制通气，潮气量12ml/kg(VCV， VT 12ml/kg)；②容量控制通气，潮气量6ml/kg(VCV， VT 6ml/kg)；③压力控制通气，潮气量12ml/kg(PCV， VT 12ml/kg)；④压力控制通气，潮气量6ml/kg(PCV，VT 6ml/kg)；⑤容量控制通气，潮气量6ml/kg，高呼气末正压，PEEP为12~15cmH2O。

Under a lower pressure, the relationship between C/H and CO adsorption quantity was a beeline and the CO adsorption quantity increases with the of C/H ratio. The relationship between C/H and CO adsorption is a concave curve with the pressure increasing, and the higher the pressure, the higher the discrete degree.

当压力较低时，C/H与吸附量呈直线关系，随着C/H的增加而增加；随着压力的升高，C/H与煤对CO吸附量之间呈凹形曲线关系，压力越高离散度越大。

The results indicated that the daily and the yearly changes of calm wind distribution were obvious.Under the weather situation of topographic trough in north China or low pressure,the foreside of high pressure and high pressure,the calm weather occurred easily and its duration was longer.

结果表明：静风分布有明显的日、年变化规律，在华北地形槽或低压、高压前部和高压的天气形势下易出现静风天气现象且持续时间较长。

The simulation experiments of various kinds of electrode system under different pressure show that the gas inceptive when the gap is fixed, discharge voltage is proportional to the pressure; because the degree of uniformity of electrical field is different among the electrode systems, the changing trend of the inceptive discharge voltage with the pressure is unlikeness.

对各种电极在不同压力下进行模拟实验，实验表明：通常情况下，给定间隙，气体的起始放电电压随着压力的增大而增大；不同的电极系统，由于电场的均匀程度不同，起始放电电压随压力变化的趋势也不同。

The experiment acquired pressure distribution and circulating rate under three fluidizing velocity (3.5m/s、4.5m/s、5.5m/s) and different media load. An experimental equation was acquired between circulating rate and the distribution of the pressure. And the relation between the circulating rate and the opening rate of the valve connecting the returner and the EHE was carefully discussed as well as the relation between the pressure of the EHE and the flow rate of the fluidizing air.

得到三种流化风速下（3.5m/s、4.5m/s、5.5m/s）不同装料量所对应的主床床体压力分布和物料循环量，得到循环量与压力的分布和流化风速的本实验台上的经验公式，并通过测量返料器通向外置换热器机械阀开度和返料量的关系，得到旋风分离器中下落物料进入换热器和直接进入主床的比例关系，同时测得换热器中压力和送风量的关系。

Based on PVT and sand packed tube, the high pressure characteristics such as viscosity, expansion coefficient and minimum miscibility pressure were measured for mixture of crude oil and carbon dioxide, and the oil and gas production during multi contact experiments under constant and declined pressure was investigated, Lastly, the production performance of sand packed tube similar to low permeable reservoir.

通过PVT筒和填砂管气液平衡等模拟实验，测定原油与CO2体系的黏度、膨胀因数和最小混相压力等高压物性参数，研究了恒压和降压下5次CO2接触过程中原油和气体的产量变化，并对比研究模拟特低渗填砂管与PVT筒CO2吞吐实验的开采动态。

Until the third stage, when subtropical high retreats completely from the SCS and the low pressure system over southern China moves southeastward and embeds itself in the low pressure zone over the northern SCS, strong tropical southwesterly flow brings in ample amount of moisture and causes moisture convergence over the southern SCS under the influences of the low pressure zone. Deep convections bloom due to sudden increase of low-level convective instability.

一直到第三个阶段，太平洋副热带高压完全退出南海，而华南低压中心移入南海北部的低压带，与强盛的热带西南气流结合，在南海南部形成强烈的西风与大量的水气集结，低层对流不稳定度快速增加，以致於产生旺盛的对流。

After analyzing the pressure response under different initial condition, the primary result has been concluded: When the pressure of pressurizer is higher than 0.3MPa, the pressure equilibrium time of the CMT drainage without sparger is influenced by the average temperature of the CMT fluid.

而冷水层的温度在实验过程中基本保持不变。

Fluidization and Sounding Pressure Characters Experimental Research on Pulsating Fluidized Bed After verifying experimentally the Rijke type self-exciting pulsating fluidized bed combustion, under different operating conditions (different empty cross-section wind speed and inaction bed height), experimental research the oscillation characters of sounding pressure in the pulsating fluidized bed. The results indicate that the sound characters in the Rijke type self-exciting pulsating fluidized bed combustor are the same with it in the Rijke type combustor, the pressure in the combustor oscillate up and down in the sinusoidal manner and the pressure is the superposition of the multiple harmonic waves.

脉动流化床流化与声学压力特性实验研究在实验验证了Rijke型自激脉动流化燃烧概念后，在不同运行条件(空截面风速、静止床层高度)下，实验研究了Rijke型自激式脉动流化床的声压振动特性，研究结果表明：脉动流化床内建立起的声波特性和Rijke型脉动燃烧器内的一样，各点压力呈正弦规律上下振动，且压力是基波幅值最大的多次谐波的叠加。

The outside sealing component -corrugated tube of valve can affect outside sealing properties of valve. Through finite element analyse of stress state of corrugated tube, the stress status which are under stretch, compress and stretch-compress action are obtained. Combined with test, the stability, detonation pressure and rigidity of corrugated tube are analyzed. The result showed that corrugated tube is safety under working pressure and when stretch-compress displacement is less than 60% of maxmium displacement.

作为阀门外密封元件的波纹管是影响阀门外密封性能的关键部件，通过对波纹管进行有限元分析，初步掌握了波纹管在拉伸、压缩以及拉伸压缩共同作用下的应力状况，同时采用有限元计算和试验相结合的方法，分析了波纹管的稳定性、爆破压力、刚度等，结果表明，波纹管在工作压力下，拉伸和压缩量达到许用位移的60%时，波纹管工作仍是安全的，为阀门开启量的确定提供了理论依据。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。