查询词典 water pressure

It is proved by the spot experimental research that based on pressure filter which is presently used in natatoriumsthe geminate improvement of filtration speed will not give an impact on the outflow water quality and filtration efficiency.

现场试验研究表明，游泳池压力过滤器现规范下的过滤速度成数倍提高，并不会对过滤水质或效率产生

The simulated results show that a stable acoustic standing wave is formed in bubble column under the geometric arrangements and the transducer boundary condition employed in this study. Due to the nonlinear behavior of the resonant wave and viscosity of water, there is a temporal shift at pressure nodes.

模拟结果表明，在本研究所用的几何布置和换能器与时间相关的速度入口边界条件下，反应器中形成了一个稳定的驻波声场；由于波的非线性以及水的粘性，压力波节点呈现出轻微的时间漂移性。

In a modern style of hydraulic mining first developed in California, a high-pressure hose directed a powerful stream or jet of water at gold-bearing gravel beds.

74这一诞生于加利福尼亚、具有现代风格的液压采矿方式是用高压软管将强大的水柱射向含有金矿的砾石床。

Abbr. cal Any of several approximately equal units of heat, each measured as the quantity of heat required to raise the temperature of 1 gram of water by 1= C from a standard initial temperature, especially from 3.98= C, 14.5= C, or 19.5= C, at 1 atmosphere pressure.Also called gram calorie , small calorie

缩写 cal 卡：热量的几种大致相等的单位之一，每种单位均表示在一个大气压下将1克水从某标准起始温度加热到温度升高1= C所需的加热量，特别地是从3.98℃、14.5℃或19.5= C开始加热也作 gram calorie ， small calorie

The high-pressure gunite technique is widely applied to impervious reinforcement projects of the water conservancy and civil engineering and is gained a wealth of successful experiences and outstanding economical benefits.

高喷灌浆技术用于土木、水利防渗加固工程，取得了丰富的成功经验和显著的经济效益。

As the Qinghai-Tibet Plateau high elevation and thin air, and oxygen content is low, there is no pressure cooker, the boiling point of water is low, eat three meals a day are half-cooked rice, long-term malnutrition, coupled with long hours working on the plateau due to many different levels to suffering from altitude sickness.

由于青藏高原海拔高，空气稀薄，含氧量低，没有高压锅，开水的沸点低，一日三餐吃的都是夹生饭，长期营养不良，再加上由于长时间在高原工作，许多人不同程度地患上了高原病。

Darkness and pressure, here where the water is as cold and hard as steel.

令人压抑的黑暗，连水都如金属般冰冷坚硬。

Single factor test was employed to investigate some factors effecting the compressive strength of hydratedα-plaster of Paris which was made by Aqueous Salt Solution Method in atmospheric pressure such as crystal modifiers,aqueous salt solution,emperature of water to washα-hemihydrate gypsum powder,product drying temperature,product grain size.

采用单因素实验考察了媒晶剂、盐介质、洗涤水温度、产品干燥温度、产品粒度等因素对常压盐溶液法制备α-半水石膏的抗压强度的影响，实验结果表明：当媒晶剂为柠檬酸钠与Al3 +等的复合物(占盐溶液的质量百分比为1.0 %)、盐介质为15 %的KCl水溶液、洗涤水温度在98℃以上、产品干燥温度为110 - 130℃、产品粒度控制在7- 4 μm时，产品抗压强度可达4 4MPa

High-pressure water jet theory and the research progress of its application in petroleum engineering［J］.

高压水射流理论及其在石油工程中应用研究进展［J］。

Under normal pressure and room temperature, urea humate is manufactured by coating urea with coal humus acid, with water and a few additives as its binder, also its agricultural effect is examined.

介绍用水和少量添加剂作介质，在常温常压下，煤炭腐植酸与尿素直接进行络合反应包裹生产腐植酸尿素的工艺及特点，并对其农业应用效果进行了讨论。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。