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流量及压力
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  flow and pressure
     Besed on the behaviors of motor driven regulation valve when an amount of water in the pressure reduction pool is controlled automatically, the basic thinking approach to the calculation of pressure reduction pool volume and its solution seeking method are discussed with the flow and pressure as the transmit variables individually whereby providing the design basis for determining the volume of pressure reduction pool.
     根据减压池水量自动控制时电动调节阀的特点,分别以流量及压力为传递变量讨论了减压池容积计算的基本思路和求解方法,为减压池容积的确定提供设计依据。
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     Based on continuity equation and energy equation of every streamline,flow and pressure distribution in different transections along the chimney of exhaust system with normal induced draft fan and check valve are calculated.
     对于采用止回阀的集中排烟道系统 ,通过建立连续性方程及各流线上的能量方程 ,计算出采用普通排油烟机时在不同截面下烟道内沿程的流量及压力分布。
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     The paper tests the change of flow and pressure of around the boundary during breaking coal area by means of osmoscope,and concludes the inner flow motion laws of crushing object and the relation ship to surrounding pressure,thus an experimental base for further study of the flow dynamics of breaking coal seam can be established.
     本文利用渗透仪测试压缩氮气通过破碎煤区过程中边界流量及压力的变化,总结出破裂煤体的内部气流运动规律及与围压间的关系,从而为进一步研究破碎煤层气流动力学建立实验基础。
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  flow rate and pressure
     CONCLUSION Those results suggest that when selective cerebral perfusion was performed,with moderate flow rate and pressure,the safe and effective range of hypothemia for brain protection is from 20℃ to 32℃. Compared with deep hypothermia,moderate hypothermia can decrease the damage to brain obviously.
     结论 选择性脑灌注在适宜的灌注流量及压力下 ,其温度维持在 2 0~32℃对脑保护是安全有效的 ,在足够的脑灌流的情况下浅中低温可以明显地减轻对脑组织的损害
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     The stainless steel powder becomes finer and the size distribution is narrower with the mass flow rate and pressure of gas medium increasing.
     随着气体介质流量及压力的增加,所制备的不锈钢粉末粒度越小,粉末的分布更集中;
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     The key refining parameters were optimized for 150 t AHF such as the height of oxygen lance, the flow rate and pressure of oxygen and the ratio between O_2 and aluminum, the height of AHF snorkel, the control mode of argon bottom stirring, the top slag consumption, the sequence and amount of alloying and wire feeding parameters.
     本钢炼钢厂通过大量生产实践,对150 t AHF炉外精炼设备在实际运行中的氧枪枪位、氧气流量及压力、氧铝配比、浸罩插入深度、底吹氩控制模式、顶渣量优化、合金加入时机及加入量、喂线参数控制等主要参数进行了系统优化。
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  “流量及压力”译为未确定词的双语例句
     The experiments were performed to validate the numerical simulations, which use usual screw and the screw combined with the axial circular region in non-intermeshing, intermeshing co-rotating and counter-rotating twin-screw extruders.
     流量及压力的实验结果表明,非啮合、啮合同向及啮合异向双螺杆挤出过程熔体输送段所建模型均是正确的,用有限元数值分析方法对双螺杆挤出过程进行模拟是可行的,实验结果与计算结果极为吻合。
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     Abstract In this study portal venous flow(PVF),splenicvenous flow(SPVF),hepatic artery volume(HAV),and portal pressure were measured before arid afterTIPS in 11 patients with portal hypertension.
     作者就经颈静脉肝内门体静脉分流术(TIPS)前后门静脉系统血液动力学的变化进行了分析,TIPS组11例分别于TIPS前后测定了门静脉、脾静脉、肝动脉的血管直径、血流量及压力变化,并设立了对照组(10例)进行对比分析。
短句来源
     The reasons of flow rate & pressure of type 310DA3 compressor in polypropylene factory which are not satisfied with the requirement of design & technology are analyzed. Measures which dealt with troubles are described.
     分析了聚丙烯厂 31 0 DA3型压缩机流量及压力不能满足设计及工艺要求的原因 ,叙述了所采取的故障处理措施
短句来源
     The scale of equipment, the pressure and the flow of each valves are designed and calculated in this article.
     以每天投料360m3为基准,对设备的规模、阀口分区、各阀口的流量及压力和进(或出)料的性质进行了设计和估算,为本厂转化车间的连续离子交换工艺改造提供了依据。
短句来源
     The results showed that outflow and pressure head data were both sensitive to the parameters fitted and the sensitive coefficients increased when pressure increased.
     结果表明出流量及压力水头对于拟合参数来说都是敏感的且增加压力后参数的敏感系数也相应增加;
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  flow and pressure
An experimental investigation was made into the flow and pressure pulsations in cylindrical cavities open toward a supersonic flow and set up at zero angle of attack (i.e., the cavity axis and the direction of the flow coincide).
      
Post-conditioning reduces infarct size in the isolated rat heart: Role of coronary flow and pressure and the nitric oxide/cGMP p
      
Independent control of flow and pressure allowed enhanced resolution, particularly at higher molecular weights, over previous separations.
      
On the basis of flow and pressure measurements, it is shown that PEEP-valves of the servoventilator offer a considerable flow resistance to the expiration of the patient.
      
Breath-by-breath respiratory mechanics data and the automated variables obtained with the new monitor were compared with flow and pressure reference data.?Results: Waveform data comparison showed errors of less than 5 % for most variables.
      
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  flow rate and pressure
It is found that, in the case of rupture, a leak may arise in its neighborhood, exhibiting an unsteady-state wavelike behavior with pulsations of the flow rate and pressure.
      
The distribution of the flow rate and pressure along the tube is found by way of numerical solution of a set of cross section-averaged nonstationary equations of motion, continuity, and energy.
      
A high linear dependence between flow rate and pressure drop was achieved which indicates that the polymer is pressure-stable even at high flow rates.
      
The apparent viscosity, velocities distribution of laminar helical flow of power-law fluid are discussed and calculating methods of flow rate and pressure loss are presented.
      
Average velocity and rms profile data in the fully developed region, in addition to mass flow rate and pressure drop data, are presented for numerous Reynolds numbers ranging from 600 to 5,000 in a tube of diameter 705?μm.
      
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Abstract

通过对底返式雨淋浇注系统充型过程的水利学模拟试验,测定了内浇口的流速、流量及压力等参数,对底注式浇注的流动特性和产生铸造缺陷的机理进行了探讨。在此基础上,建立了底返式雨淋浇注系统浇注过程的数学模型和底返式雨淋浇注系统计算机辅助设计程序。

Based on analyzing flow and pressure equation of single-rod hydraulic cylinder controlled by valve this paper pointed out the shortage of conventional servovslve and presented the requiments for orifice width of the spool valve for motion velocity in positive and opposite directions and pressure etc are discused. Finally proved that operation using the non-symmetry servo-valve can reach expected result by actual examples.

本文在分析阀控单杆液压缸的流量及压力方程的基础上,分析了用对称伺服阀控制的不足,并在对正、反向运动速度、压力等有特殊要求的场合,讨论了滑阀节流口宽度应满足的条件,通过实例证明了采用非对称伺服阀的控制能达到预期的效果。

Abstract In this study portal venous flow(PVF),splenicvenous flow(SPVF),hepatic artery volume(HAV),and portal pressure were measured before arid afterTIPS in 11 patients with portal hypertension. The re-sults were compared with those of normal controls. Inthe normal controls PVF averaged 947.2±133.4ml/min, SPVF239.6±116.3ml/min, and HAV 241.6±78.8ml/ min. In the TIPS group before and afterTIPS,PVF was 883.2±233.4ml/min vs.958.7±185.2ml/min;SPVF was 448.9±111.6ml/min vs.333.1±101.5ml / min;HVP was 225.3±122.7ml/minvs....

Abstract In this study portal venous flow(PVF),splenicvenous flow(SPVF),hepatic artery volume(HAV),and portal pressure were measured before arid afterTIPS in 11 patients with portal hypertension. The re-sults were compared with those of normal controls. Inthe normal controls PVF averaged 947.2±133.4ml/min, SPVF239.6±116.3ml/min, and HAV 241.6±78.8ml/ min. In the TIPS group before and afterTIPS,PVF was 883.2±233.4ml/min vs.958.7±185.2ml/min;SPVF was 448.9±111.6ml/min vs.333.1±101.5ml / min;HVP was 225.3±122.7ml/minvs. 249.3±103.8ml/min.Portal pressure droppedfrom3. 94kPa±0.46 to 2.52 ± 0.60kPa after TIPS.We conclude that in patients after TIPS portal pressuredrops blood flow in the truck of the portal vein increas-es, flow of hepatic tissue decredses,and blood flow insplenic vein decreases. Blood flow in hepatic aftery wasnot significantly changed.

作者就经颈静脉肝内门体静脉分流术(TIPS)前后门静脉系统血液动力学的变化进行了分析,TIPS组11例分别于TIPS前后测定了门静脉、脾静脉、肝动脉的血管直径、血流量及压力变化,并设立了对照组(10例)进行对比分析。对照组测定结果为:门静脉血流量(PVF):947.2ml/min±133.4ml/min;脾静脉血流量(SPVF):239.6ml/min±116.3ml/min;肝动脉血流量(HAV):241.6ml/min±78.8ml/min。TIPS组术前、术后测定结果为:PVF:883.2ml/min±233.4ml/min,958.7ml/min±185.2ml/min;SPVF:448.9ml/min±111。6ml/min;333.1ml/min±101.5ml/min;HAV:225.3ml/min±122.7ml/min,249.3ml/min±103.8ml/min。TIPS组术前、术后测定门静脉压力结果为:3.94kPa±0.46kPa,2.52kPa±0.6kPa。结论:TIPS术后门静脉系统血流发生改变:(1)门静脉压力下降。(2)门静脉主干血流增多,肝组织灌流轻度减少。(...

作者就经颈静脉肝内门体静脉分流术(TIPS)前后门静脉系统血液动力学的变化进行了分析,TIPS组11例分别于TIPS前后测定了门静脉、脾静脉、肝动脉的血管直径、血流量及压力变化,并设立了对照组(10例)进行对比分析。对照组测定结果为:门静脉血流量(PVF):947.2ml/min±133.4ml/min;脾静脉血流量(SPVF):239.6ml/min±116.3ml/min;肝动脉血流量(HAV):241.6ml/min±78.8ml/min。TIPS组术前、术后测定结果为:PVF:883.2ml/min±233.4ml/min,958.7ml/min±185.2ml/min;SPVF:448.9ml/min±111。6ml/min;333.1ml/min±101.5ml/min;HAV:225.3ml/min±122.7ml/min,249.3ml/min±103.8ml/min。TIPS组术前、术后测定门静脉压力结果为:3.94kPa±0.46kPa,2.52kPa±0.6kPa。结论:TIPS术后门静脉系统血流发生改变:(1)门静脉压力下降。(2)门静脉主干血流增多,肝组织灌流轻度减少。(3)脾静脉?

 
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