pressure area

A large opening reinforcement design by pressure area method is presented and several key factors in large opening reinforcement design are put forward.

采用压力面积法对吸入塔塔体的大开孔进行了补强设计，并提出了大开孔补强中应注意的几个问题。

A low pressure area developed east of Luzon in late July.

一个低压区于7月底在吕宋以东形成.

Numerical Simulation for the Influence of Variable Cross-Section Tube on Explosion Characteristics of Methane Interior ballistic Simulation of Sleeve Type Ejection Gun with Effect of Pressure Area Changes

变截面管道对瓦斯爆炸特性影响的数值模拟截面突变的座椅多级弹射筒内弹道仿真

The simulation results showed that the high pressure fluid speed mutation and pressure drop is the largest when high pressure fluid flow through the throttle mouth place. The appearance of cavitations and eddy was easily to observe at the place of throttling mouth area.

仿真结果表明：高压流体在节流口处是速度突变最大和压降最大的地方，在节流口区域处很容易观察到有气穴和漩涡现象发生。

His plane flew through a low pressure area and began to ice up.

他的飞机飞进低压区开始结冰.

The results of several cases show that the main part of the pressure drop takes place in the convergent flow area and the linear flow area, and the pressure drop in the divergent flow area is very little.

结果表明：井筒附近压降主要发生在汇聚流区域和炮眼内砾石层，而环空砾石层的压降相对较小；

Compares with the retention pillars, The mining of spanning entry although has the temporary influence to its lower part entry, but after mining of spanning entry the entry namely to be in the release of pressure area, is advantageous in entry long-tern stability.

与保留煤柱的方法相比，跨采虽然在垮采当时对其下部巷道有短时间的影响，但跨采后巷道即处于卸压区，有利于巷道的长期稳定。

Weather forecasters say Koppu will remain over Luzon for several days due to a high pressure area in the north and another typhoon in the northwest Pacific.

气象预报说，由于北部处在高气压区，同时又有一个台风在西北太平洋洋面上形成，“巨爵”将在吕宋岛停留数日。

The conveying parameters were relatively optimized by adjusting the throat area of adjustable Laval nozzle and pressure parameters, so that the foodstuff particle breaking rate during pneumatic conveying was decreased at certain extent.

通过调节可调式拉法管的喉径以及各压力参数实现了输送参数的相对最优，在一定程度上减轻了粮食颗粒在输送过程中的破碎率。

And decide the safety coefficient for calculating the strength of Stamped Tee using pressure area method in engineering.

并确定了工程上用压力面积法进行挤压三通强度计算时的安全系数。

Plantar pressure area results show that wearing high heel shoes of different walking pressure area in the heel with the heel height increased gradually reduced.

足底分区压力结果显示，穿着不同鞋跟高度的鞋子行走时在足跟区域内压力随鞋跟高度的升高而逐渐降低。

Experiments were performed on 15 anaesthetized dogs, mean arterial pressure, left intraventricular pressure, dp/ dt max,-dp/ dt max and the area of cardiac force loop ( CFL) were reduced markedly by intravenous infusion of sodium nitroprusside ( NP).

实验在麻醉狗中进行。静脉内匀速注射硝普钠时，平均动脉压和左心室收缩压明显降低，左心室dp/dt（max）、-dp/dt（max）和心力环面积均明显减小。

Construction Ventilation Technology for Tunnels in High Altitude and Low Atmospheric Pressure Area

高海拔低气压地区隧道施工通风技术

The snow signaled the arrival of a front, and a high-pressure area seemed to be settling in

下雪预示着冷热空气的交锋，而一个高气压区似乎也将到来并可能持续。

Warm air is now being drawn in from another high pressure area over the North Sea.

暖气流正从北海上空的另一个高气压带移动过来。

The main results are as following: 1. The thrust face of the rotor forms a high-pressure area, and the other side of the rotor forms a low-pressure area.

主要研究结果如下：1.转子的推力面形成了高压区，另一侧形成了低压区。

Results show that pintle could change the nozzle throat area and thus the motor pressure and thrust, which provided the capability for thrust control.

结果显示喉栓能够有效改变发动机燃烧室压力和推力，满足发动机推力控制要求。

An analysis is made of the performance characteristics of the lower pressure waste steam jet refrigeration machine by using the gas dynamic function. The theoretical calculating formulas for specific steam consumption and throat area ratio are also derived.

本文利用气体动力函数分析了低压废汽喷射制冷机的工作特性，并导出了单位耗汽量和喉部面积比的计算公式。

Tee-Hee: One way is to take a pencil and stick it in the pressure area above its eye.

一种方法是用铅笔戳住鳄鱼眼睛上方的压力区。