By using a zero-pressure pendulum sampler and an isokinetic sampling method the samples of pulverized coal were taken at the outlet piping of a MPS coal pulverizer.
利用零压摆式取样针煤粉等速取样方法在MPS磨煤机出口管道上等速取样煤粉，通过对煤粉细度、水分和质量的分析，研究MPS磨煤机的工作特性。
And there is no work done on the surroundings because pressure is zero.
这里系统没有对环境做功，因为压强是零。
So in general, we don't have a simple analytical expression for what the pressure is going to do as a function of mole fraction a ll the way from zero to one.
所以通常来说，我们不会有，一个简单的解析式，描述压强，作为摩尔分数从零到一，的函数的变化形式。
We looked at pressure change before, actually, in discussing the third law, the fact that the entropy goes to zero as the absolute temperature goes to zero for a pure, perfect crystal.
在讨论热力学第三定律的时候，我们讨论过压强变化，即对于纯净的完美晶体，随着温度下降到绝对零度熵也变成零。
First let's set the external pressure equal to zero.
首先，让外部压强为零。
As a result there has been pressure on the central bank to raise interest rates, which are at zero in real terms.
结果韩国央行备受压力，去提高现实中为零的利率。
全开状态零压降。
Normally I couldn't do that Vdp because this term would have p dV plus V dp, but we've specified the pressure is constant, so the dp part is zero.
一般情况下我不能这么写,因为这一项会包含pdV和，但是我们已经假定压强为常数，所以包含dp的部分等于零。
Draw off system water until boiler pressure reads zero.
将系统中的水排出，直到锅炉压力读数降为零。
Zero rates and QE would place significant downward pressure on the value of the yuan.
零利率和量化宽松将带来巨大的人民币贬值压力。
Here's what the pressure sensor zero calibration of medical knowledge.
下面介绍一下医用压力传感器调零校准的知识。
The zero and linearity characteristic of differential pressure transducer is corrected with method of water column correction to ensure higher precision differential pressure data.
采用水柱校正法对差压传感器的零点及线性特性进行校正以保证高精度的差压数据。
In other words, if the cost to serve a customer (support aside) is zero, the long-term price of the product in the market will be zero (because of competitive pressure).
换句话说，如果为顾客提供服务的成本(暂时忽略支持的费用)为“0”，那么这个产品在市场上的长期价格也将会是“0”(这是由竞争压力形成的)。
Abstract: a pressure sensor which can cancel thermal zero shift is described.
文摘：提出一种可消除热零点漂移的压阻式压力传感器。
Under the assumptation that the "Pressure Zero Temperature Point" exists, with the corresponding state method, a new vapor pressure equation was established in this thesis.
在假设存在“压力零点温度”的概念基础上，运用对比态的方法，本文提出了一个新的饱和蒸气压方程。
In zero pressure gradient flow, this local momentum loss is Minost an additive constant quantity. On the other hand, adverse pressure gradient results in amplification of this momentum loss.
在零压力梯度下，这个局部的动量损失几乎是一个附加的常量，而逆压梯度则会扩大这种动量损失。
The static pressure is greatest where gas flow is zero, that is, at the front of the motor.
静态的压力是最大的地方气体流量是零，即是在前面的汽车。
If the pressure is zero, the well is considered to be dead, and can normally be opened safely to the atmosphere.
如果该压力为零，则可以认为井眼是死井，可以安全地打开，与大气连通。
This is Lei-ring at zero pressure and under high pressure from the role of the reasons for sealing.
这就是蕾形圈在零压和高压下起密封作用的原因。
The sealing and drive mechanism performance of the sampling device are examined in accordance with the transient pressure zero balance method and in combination with the field practice.
按照等速采样的瞬时压力零点平衡法，结合现场应用实践，检验了采样装置的密封和传动机构性能。
Visually inspect vent to ensure that vent goes to full open position when the pressure is at zero.
目测检查排气口以确保当压力为零时，排气处于全开位置。
But we've defined the enthalpy of those elements in their stable state at room temperature and pressure as zero, right?
但我们已经定义了这些，元素处于它们室温和常压下，最稳定的状态时的焓为零，对吧？
It is found that the gas flow is mainly controlled by instantaneous arc power and the maximum of gas flow appears not at peak pressure, but at current zero.
结果显示，气流的改变主要受电弧瞬时功率控制，最大流量不是发生于压力峰值时刻而是出现在电流过零时。
When the regulation is performed by variable flow rate, there exist two operation regulation modes with fixed zero pressure difference and variable zero pressure difference.
采用变流量调节时，存在定零压差点和变零压差点两种运行调节方式。
In addition, the piezoelectric quartz sensor with automatic clipper adaptor is used to measure low pressure indicator diagram. It provides reliable basis to ascertain the pressure zero baseline.
此外，用具有自动转换开关的压电石英传感器测量了低压示功图，为确定压电示功图的压力零线提供了可靠的依据。
With this method, the operator will have to calibrate zero and span on one background Air and need to change the pressure when backgrounds are changed.
使用此方法标定零点和量程在一个背景气情况下，在需要改变背景气时改变压力。
The other is a mechanical automatic reversing mechanism designed for atmospheric pumps, which adopts involute (zero pressure Angle) CAM mechanism as reversing mechanism.
另一种是为气压泵设计的机动自动换向机构，该机构是利用渐开线(零度压力角)凸轮机构作为换向机构。
The other is a mechanical automatic reversing mechanism designed for atmospheric pumps, which adopts involute (zero pressure Angle) CAM mechanism as reversing mechanism.
另一种是为气压泵设计的机动自动换向机构，该机构是利用渐开线(零度压力角)凸轮机构作为换向机构。
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