Nowadays we measure the reversion of valves and obtain the Peak pressure gradient and Mean pressure gradient using the Bernoulli s equation to detecting of intracardic pressure noninvasivly.
背景和目的 心腔内压力的测定在临床医学上具有重要的意义，在许多心脏外科手术的术中和术后都需要观察心腔内压力的变化，为心脏功能评价、指导救治提供重要信息。
An Empirical Study on Endogenous Core Competence of Chinese Venture Enterprises;
中国风险企业内生核心竞争力构建及其实证研究
With the method of text information mining,this paper induces 21 endogenous core competence genes for Chinese knowledge-based companies from 40 journals of talks about successful knowledge-based entrepreneurs in China that it is a new perceptive to investigate core competences for knowledge-based companies.
通过采用文本信息挖掘的手段,从40位中国知识型企业的经营者访谈录中,归纳出21个知识型企业内生核心竞争力因子,从一个全新的角度来研究知识型企业核心竞争力。
Pilot Study of Detecting Intracardiac Pressure Invasively Using Ultrasonic Contrast Agent and Backscatter Technology;
声学造影剂及背向散射技术无创测量心腔内压力的初步研究
The effect of endoleak on intra-aneurysmal pressure after EVE for abdominal aortic aneurysm
内漏对腹主动脉瘤腔内隔绝术后瘤腔内压力的影响
Molding Chamber Distributed Pressure Measuring System Based on FBG Sensing Technology;
基于光纤光栅传感技术模压腔内分布式压力测量系统研究
Urodynamics and Endourology Centre [Princess Margaret Hospital]
排尿动力科及腔内泌尿科中心〔玛嘉烈医院〕
transpulmonary pressure
肺与肺内腔之间的压差
The study of relationship between urinary bladder pressure,superior vena caval pressure,inferior vena cava pressure and intra abdomninal pressure
膀胱压、上腔静脉压、下腔静脉压与腹腔内压的关系研究
The seat is pressed into the body cavity and can be removed by inserting a finger in the center of the seat and pulling outwards.
阀座压在阀腔内，可以用手指插入阀座中心往外拉将其拆卸。
Numerical simulation of unsteady pressure field in centrifugal pumps
离心泵内部非定常压力场的数值研究
It decreases chamber pressure by chemical reaction of residual gases with an evaporated metal.
它通过剩余气体与蒸发的金属之间的化学反应减小了内腔的压力。
If you cannot equalize pressure in the middle ear cavities or sinuses, you should not continue to descend.
如果你不能平衡耳腔和鼻窦内的压力，你必须停止下潜。
Parameter distributions within the thruster and its macroscopical performance were presented.
给出了不同集气腔总压下推力器内部参数分布及其宏观性能。
Upward Heat Transfer Characteristics of Supercritical Pressure Water in Square Annular Channel
超临界压力下水在方形环腔内垂直上升的传热特性
Response of Cavity Pressure During Pulsatile Pressure Induced Packing
脉动压力诱导保压过程中的模腔压力响应
The shock absorber, being fully filled in chamber with compressible liquid in it, operates continuously and reliably, and has strong ability to avoid distortion of outer characteristics.
可压缩液体减振器由于腔内充满可压缩液体,其动作连续可靠,增强了外特性的抗畸变能力。
The Research Progress of Intra-abdominal Hypertension and Abdominal Compartment Syndrome;
腹腔内高压及腹腔间隔室综合征的研究进展
An equilibrium is reached when the spring force on the diaphragm is equal to the opposing force of the gas in the low-pressure chamber.
当弹簧施加在隔膜上的力等于低压腔内气体的反作用力时，就达到了平衡。
Changes of intraocular pressure in patients undergoing laparoscopic gynecologic operations
妇科腹腔镜手术对患者眼内压的影响
The effect of intravitreal triamcinolone acetonide on intraocular pressure
玻璃体腔内注射曲安奈德的眼压变化
