2) pressure fluctuation
压力脉动
1.
Characteristics of pressure fluctuation in standpipe at negative pressure gradient in circulating fluidized bed;
气固循环流化床负压差下料立管的压力脉动特性
2.
Wavelets analysis of pressure fluctuation in agitated fluidized bed;
气固搅拌流化床压力脉动的小波分析
3.
Characteristics of pressure fluctuation in submerged circulative impinging stream reactor;
浸没循环撞击流反应器的压力脉动特性
3) pressure pulse
压力脉动
1.
Tests and Analyses of the Pressure Pulse of the Pipelines of Reciprocating Compressors;
往复式压缩机管道内压力脉动的测试与分析
2.
The paper quantitatively analyses the relation between A sound pressure grade of the high pressure pure water jet injection and jet injection pressure,pressure pulse,the target distance,and mainly educes that the jet injection noise doesn't reduce when the pressure pulse reduces.
定量分析了高压纯水射流喷射噪声A声压级与射流压力、压力脉动及射流靶距的联系,主要得出了喷射噪声在常见条件下随着压力脉动的减小反而略有增加的结论。
3.
Fluid pressure pulse is one of the main noise source in water piping system,mufflers are widely used to restrain pressure pulse.
在海水管道系统中 ,由泵、阀门、弯头等元件引起的压力脉动 (即流噪声 )是主要的噪声源 ,消声器被广泛应用于抑制流体压力脉动。
4) pressure pulsation
压力脉动
1.
On pressure pulsation of the deformable penstock;
变形压力钢管的压力脉动
2.
Comparison of numerical simulation of pressure pulsation in Francis hydraulic turbine by different turbulence models;
湍流模型对水轮机压力脉动数值预测的比较
3.
Analysis and decrease method of hydraulic system pressure pulsation;
液压系统压力脉动分析及降低措施
5) pressure fluctuations
压力脉动
1.
The results show that the Thomas number,σp,has little influence on the main frequencies of the pressure fluctuations.
结果表明:不同装置空化系数下尾水管压力脉动主频率变化不大,但在极低的装置空化系数下,削波现象导致更低频率成分的出现。
2.
The flow in a hydraulic turbine including the guide vane, the turbine and the draft tube was analyzed by solving the three-dimensional, unsteady Reynolds-averaged Navier-Stokes (RANS) equations with the RNG k-ε turbulence model to investigate the pressure fluctuations due to the vortex rope at partial loads.
通过求解包括导叶、转轮、尾水管3大过流部件在内的水轮机流道内的三维不稳定Reynolds平均Navier-Stokes方程,获得了不同开度部分负荷下的尾水管压力脉动特征和涡带特征。
6) pulsating pressure
脉动压力
1.
Study on mechanism of pulsating pressure propagation disintegration in joints of bottom slab;
脉动压力在板块缝隙中传播衰变机理研究
2.
It was proposed that pulsating pressure leads to crack.
提出了脉动压力导致破坏的观点,解释了油冷器破坏位置的倾向性,指出在油压爆破实验中盲板法兰相对油道转角处翅片的破坏几率高于进油口相对油道转角处翅片的破坏几率为正常现象,否则可能是产品质量问题。
3.
Piezoresistive pressure transducers may be used to measure pulsating pressure.
测量脉动压力用压阻式压力传感器，通过有限元应力分析求得灵敏度高、线性又好的双岛硅膜片结构；采用双面对准光刻工艺，各向异性腐蚀微机械加工制硅膜片等新技术。
补充资料：锁骨下动脉-锁骨下动脉-颈动脉旁路术
锁骨下动脉-锁骨下动脉-颈动脉旁路术
适用于大动脉炎所致的左锁骨下动脉和左颈总动脉起始处缩窄、闭塞而无名动脉通畅者，无名动脉分叉处缩窄、闭塞而左锁骨下动脉通畅者。手术在全麻下取双侧颈部横切口。显示双侧锁骨下动脉，用0.7～0.8cm口径的人工血管，经胸锁乳突肌后方隧道，作人工血管与锁骨下动脉端-侧吻合。若颈总动脉起始处有缩窄、闭塞者，加作颈部垂直切口，显露颈总动脉，再以等粗人工血管与颈总动脉及移植于两锁骨下动脉间的人工血管分别作端-侧吻合。手术可纠正或改善脑部和左上肢的血液供应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条