查询词典 Pressure

Sets the external fluid pressure, and is used to calculate the absolute pressure values for use in variable density models.

设置外部流体压力，同时用来计算在密度变化的模型里用来计算绝对压力值

based on the analysis of regressing the experimental dada show: diffusion coefficient decreases as the increasing of absolute pressure in linear; increases in a way of logarithm with the varying rate of pressure.

对试验数据回归分析表明：木材水分扩散系数随绝对压力的增加呈线性减小；随压力变化速率的增加呈对数曲线增大。

The reverse permeability coefficients of CO2 is affected by pressure difference and decreases evidently with the increase of the absolute value of pressure difference.

CO_2的反向渗透系数受N_2高压侧的影响显著，随CO_2对N_2压差绝对值的增大迅速减小。

Instead of being a pressure acceptor you can become a pressure giver.

你可以成为一个施加压力的人，而不仅仅是接受压力的人。

Coupling between combustion oscillations and acoustic pressure oscillations can lead to largeamplitude pressure oscillations within the combustor.

耦合振动和燃烧声压的振荡可能导致largeamplitude压力振荡的燃烧室。

In experiments, pressure ratio and acoustic power have been enhanced by increasing heating power and the length of acoustic pressure amplifier.

在实验研究中，通过增加声压放大器长度和加热功率，提高压比和声功。

The nighttime blood pressure descend a rate to turn down (p＜0.05).in the heart rate variation index sign,in addition to comparing with nighttime,the sdnn daytime increased,other index signs had no obvious difference.but each index sign of hrvin matched control in dynamicblood pressure day and night,the regulation presented a good relativity variety.conclusion the hypertension patient′s pneumogastric nerves function is dual damaged,expressing turn down for the hrv with day and night regulation disappeared.

观察组夜间血压下降率减低（p＜0.05），其心率变异性指标中，除sdnn白昼较夜间增高外（p＜0.05），其他指标无明显差异。而对照组hrv各指标则与动态血压昼夜节律呈现出良好的相关性变化。结论高血压病患者交感、迷走神经功能双重受损，表现为hrv减低和昼夜节律消失。

It is found that the pressure wave generated by thermal expansion can affect the temperature field. It is suggested that this effect is caused by the adiabatic compression and expansion when pressure waves traverse the media.

通过分子动力学模拟考察了气态，液态和固态的氩在脉冲加热情况下的快速瞬态导热，观察了温度，压力，动量，密度等物理量的分布，以及动能在三个平动自由度上的分布。

An engine cyclic variation model has been built by using the residual gas temperature for the n-th cycle as the input of the model, through constant pressure intake process, adiabatic compression process, constant volume combustion process, adiabatic expansion process, adiabatic blow down process and constant pressure exhaust process to approximate the thermodynamic processes in the cylinder, finally the residual gas temperature for the (n+1)-th cycle can be estimated.

基于循环间变动的排气温度建立了一个发动机循环变动模型。在这个模型中，第n个循环的排气温度作为模型的输入，通过定压进气过程、绝热压缩过程、定容燃烧过程、绝热膨胀过程、定容放热过程和定压排气过程来近似汽缸内的热力学过程，最后得出第n+1个循环的排气温度。

It is assumed that it is adiabatic compression during start-up process before the atmophere pressure in flow passage rise to relief pressure, the thermodynamic equation, momentum equation and rigid water hammer theroy have been applied for the analysis and calculation the variation law of air during this transient process.

假设流道内气体未达虹吸驼峰顶处真空破坏阀排气压力前的起动过渡过程处于绝热压缩状态，运用能量方程结合动量方程和刚性水击理论，计算分析出了流道中的气体压力在起动过渡过程中的变化规律。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。