A large number of tight rock samples are tested for permeability by use of instantaneous pulse device and normal streaming flow device.
本文是在已研制的瞬时脉冲岩石物性测试装置与改进的渗透率常规稳流测试装置基础上,分别利用瞬时脉冲方法和稳流测试方法对大量的致密油藏岩们作了渗透率测试实验。
According to features of power quality disturbance signal,this paper detects the disturbance signals of high-frequency,transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性,本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
It is the high-frequency components of the seismic pulse which are lost first if the basic requirement is transgressed.
如果超出了基本要求，地震脉冲的高频成分首先损耗。
Study on the Seismic Response of LRB Base-isolated Buildings under Near-fault Pulse-like Ground Motions;
近断层脉冲型地震作用下LRB基础隔震结构地震响应研究
RESEARCH ON SEISMIC RESPONSE OF ASYMMETRIC BASE-ISOLATED STRUCTURES UNDER NEAR-FAULT PULSE-LIKE GROUND MOTIONS
近断层脉冲地震作用下偏心基础隔震结构的地震反应研究
Sensitivity Parameters Analysis of Bridge Seismic Response for Near-Fault Simple Velocity Pulse Ground Motion;
近断层地震动速度脉冲之桥梁地震反应敏感参数分析
Seismic Response Analysis of Long-Span Rigid Frame Bridge Subjected to Near-Fault Pulse-Like Ground Motions;
大跨度刚构桥近场脉冲型地震动反应分析
CHARACTERISTICS OF INSTANTANEOUS INPUT ENERGY OF GROUND MOTION CONTAINING VELOCITY PULSES
速度脉冲型地震动瞬时输入能特性研究
Identification methods of important parameters for near-fault pulse-type ground motions
近断层脉冲型地震动重要参数的识别方法
Study on maximum displacement of base-isolated buildings under near-fault pulse-like ground motions
近断层脉冲型地震作用下基础隔震建筑结构最大位移反应研究
Study on the Dynamic Response of LRB Base-isolated Structure under Near-fault Pulse-like Ground Motions
LRB基础隔震结构在近断层脉冲型地震作用下的动力响应研究
Introduce a new IC-D circuit of pulse calibration controlled by clock used in tclemetered network.
介绍了一种适用于遥测地震台网台站钟控脉冲标定的IC-D新型脉冲标定电路.
Study on the Relationship between Pulse Characteristics of Ground Motion and Structural Damage;
地震动的脉冲特性与结构破坏之间的关系研究初探
Effects of Aerovalve Structure on Performance of PDE
气动阀型式对脉冲爆震发动机爆震特性的影响
pulse frequency modulation magnetic tape record type strong-motion instrument
脉冲调频式磁带记录强震仪
pulse duration modulation magnetic tape record type strong-motion instrument
脉冲调宽式磁带记录强震仪
Experimental Research on Performance of Pulse Detonation Rocket Engine;
脉冲爆震火箭发动机性能的实验研究
Research on Intelligent PID Control of Pulse Detonation Engine;
脉冲爆震发动机智能PID控制研究
Experimental investigation of the pulse detonation rocket engines with variable cross-section
变截面脉冲爆震火箭发动机实验研究
Investigation on Noise Elimination Nozzle with Micro-Perforated Panel in Pulse Detonation Engine
脉冲爆震发动机微穿孔消声喷管研究