The dimensionless pressure distribution and transient pressure in the wellbo re are obtained by means of Laplace transform.
论文将实际的垂直裂缝井简化成裂缝高度小于地层有效厚度的矩形 ,在此基础上采用乘积解给出该问题渗流的地层压力及井底瞬时压力 。
On the basis of the high energy beam processing, the liquid shock wave processing technology was presented for the first time according to the focus of pulsed ultrasound technology, and it utilizes the high-energy transient pressure wave to process the material lying in the focal area.
探索高效的材料加工方法是先进制造技术的优先发展方向之一,在已有高能束加工的基础上,本文首次提出了基于脉冲超声波聚焦的液体压力激波加工技术,即以脉冲超声波聚焦技术为基础,采用大功率压电陶瓷激波发生器,在液体介质中产生高能、瞬时压力激波,使位于聚焦区域的材料产生变形、断裂或去除等。
the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point.
在声场中，媒质中某一点的瞬时压力与静压的差值。
A Control Technique of APF Based on Optimal Instantaneous Voltage Vector
最优瞬时电压矢量控制有源电力滤波器
A transient air pressure, such as the shock wave from an explosion, that is greater than the surrounding atmospheric pressure.
超压力高于周围的大气压的瞬时气压，如爆炸产生的冲击波
instantaneous voltage regulation characteristic
瞬时电压调整特性曲线
Effect of Bonding Pressure on Microstructure and Properties of TLP Joint of 20 Steel Pipes
连接压力对管道瞬时液相连接接头组织性能的影响
A Method to Recognize Power System Instantaneous Voltage Distortion Signal Based on Independent Component Analysis
基于独立分量分析的电力系统瞬时电压畸变信号判别方法
Analysis of hydraulic transient and transient condition test of pressure relief valve on long-distance pipeline
长输管道泄压阀水力瞬变分析及瞬变工况测试
Study on the Simultaneous Transient and Delayed Transient Properties in the Dynamic System in the Pipe;
管道动力系统即时瞬变与延时瞬变特性研究
On pressure twinkling trans formation in power elements of hydraulic transmission.;
对液压传动动力元件中压力瞬变的探讨
On the Possibility of Using Instantaneous High Pressure Treatment to Modify Properties of Dietary Fiber;
瞬时高压作用对膳食纤维改性的影响
Speech Coding Based on Instantaneous Amplitude Plus Noise Model
基于瞬时幅度加噪声模型的语音压缩
In electronics, the product of an instanta neous voltage and the correspondent instantaneous current.
在电子学［术］，瞬时电压及其相应的瞬时电流的乘积。
NOTE 3 When deducing the working voltage, the effect of transient voltages is ignored.
在确定工作电压的时候，不考虑瞬间电压的影响。
Pressure transient model of ABS hydraulic brake line for Jetta GTX car;
Jetta GTX轿车ABS液压制动管路压力瞬态特性模型
To illustrate the effect of variable feed rate, the pressure and power draw changes with fluctuations in feed rate are calculated on the table below.
瞬间的压力变化及峰值出现是由熔融粘度瞬间变化导致的。
Control strategy of two-stage matrix converter under input voltages sag
电压瞬时跌落时双级矩阵变换器的控制策略
Strong instantaneous overload capacity enables it to be applicable for diversiform load.
瞬时过载能力强，可适用于多种负载。
Inactivity kinetics for quality-related enzymes in vegetable with high-temperature short-time treatment
蔬菜品质相关酶高温瞬时失活动力学