threshold pressure的例句大全

Influencing Factors for Threshold Pressure Gradient near the Wellbore on Tight Sand Stones Reservoirs

致密砂岩储层近井区启动压力梯度的存在原因探讨

The relationship between permeability and the threshold pressure gradient is studied by the threshold pressure gradient experiment.

利用启动压力梯度实验，研究油层渗透率与启动压力梯度的关系；

Using speed-governed threshold pressure load inspiratory muscle training device in lung rehabilitation among COPD patients

慢性阻塞性肺疾病患者使用限速阈压力负荷吸气肌锻炼仪进行肺康复锻炼

The method is presented to determine formation average pressure and boundary pressure with threshold pressure gradient and injection-production ratio.

给出了考虑注采比和启动压力梯度的平均地层压力和边界压力的确定方法。

The Experiment Study of the Influencing Factors on the Threshold Pressure and the Driving Oil Efficiency of the Low Permeability Sandstone Reservoir

低渗透砂岩储层启动压力及水驱油效率影响因素实验研究

The same rock core has a lower threshold pressure gradient when larger steady threshold seepage velocities occur.

同一块岩心在初始稳定渗流速度大的情况下，岩心的启动压力梯度小。

Many experiments justify that there is a threshold pressure gradient ( TPG) in low permeability reservoirs.

试验表明，低渗透油藏存在启动压力梯度。

The study results also show that low-permeability reservoir gas injection has a threshold pressure, and the value of this experiment is 2.48 MPa.

低渗透油藏注气存在注气启动压力，本次实验为2.48MPa。

The threshold pressure gradient of low permeability sandstone was studied experimentally by measuring the pressure attenuation in an unsteady seepage flow.

为了研究低渗透砂岩的启动压力梯度，设计了一种非稳态渗流中测量压力的试验方法。

When the temperature increases from 700 ℃ to 800 ℃, the threshold pressure P_0 for infiltration markedly decreases.

另外预制型预热温度也对临界压力有较大影响，在温度从700℃增加到800℃过程中临界压力随着温度上升而明显下降。

The analysis shows that the longer the producing time, the greater the threshold pressure gradient is, and the faster the production decline is.

分析结果表明，随着生产时间增长，启动压力梯度对产量影响显著，启动压力梯度越大，井的产量下降得就越快。

An equation is also got to calculate the threshold pressure gradient in nonlinear seepage flow by analyzing to the data got form the single-phase seepage flow experiments.

通过对岩心单相渗流实验得到的数据进行分析归纳，得到了其流体非线性渗流段启动压力梯度的计算式。

While the theoretical power output of the motor increases first with the increase of the pressure drop, reaches its maximum value when the pressure drop gets to a threshold value, then decreases gradually until the motor stops.

而马达的理论输出功率先随压降增加而增大，压降达到某一临界值时，理论输出功率达到最大，随后逐渐减小，直至马达停转。

a study on developing a oral mucosa pressure algometer and measuring the pain perception threshold of human gingival mucosa

电阻应变式口腔黏膜压力测痛仪的研制与测试

MAIN OUTCOME MEASURES: The vein blood oxygen partial pressure, pyruvate and lactate contents under lactate threshold intensity and oxygen inhaling supplementary.

主要观察指标：人体组和大鼠组乳酸阈强度下及补充吸氧前后的静脉血氧分压、丙酮酸、乳酸含量。

Results showed that blood pressure of these patients decreased significantly, which indicated lactate threshold intensity exercise was effective in treating essential hypertension.

结果显示：运动10周后患者的血压显著降低，体能及糖、脂代谢明显改善。提示：乳酸阈值强度的运动对于防治轻度高血压病及其并发症有一定意义。

The slight pressure injury simulated by Instron texture instrument could be detected through the Otsu threshold segmentation, expansion operation and boundary extraction and the corner detection of the fruit image.

对于采用万能试验机模拟的轻微压伤，通过Otsu阈值分割、膨胀操作并提取边界的图像处理方法，最后对水果边界进行角点检测。

The second value is the threshold for a memory pressure mode to begin to apply pressure to buffer usage.

第二个值是内存压力模式开始对缓冲区使用应用压力的上限。

Objective To investigate the relationship between taste recognition threshold to salt, salt intake and salt-sensitive blood pressure.

目的探讨盐阈、盐摄入量与血压盐敏感性之间的关系。

qfe atmospheric pressure at aerodrome elevations or at runway threshold

在机场海拨高度或跑道端头的大气压