压力场是描述流场中各空间点压力大小的标量分布函数,其空间变化(压力梯度)反映流体微团在分子热运动与宏观流动相互作用下的动量传递特性。 无论是飞行器的气动升力、船体结构的载荷分析,还是心脏瓣膜的血流冲击,压力直接决定气动性能、结构响应与能量 ...

HILLSBORO, Ore.—July 11, 2016— SureID, Inc., a national leader in high-assurance identity management solutions, announced today the two-year anniversary of issuing its first Personal Identity ...

HARTWELL, Georgia. – A new study from PICC Excellence shows that standardizing ultrasound-guided PIV insertions in a hospital setting using an innovative sterile barrier dressing reduced costs by 73% ...

SINGAPORE – Sep 11, 2013 - VisionAsia Technology and Beijing Microvec, developers of analytical systems used in fluid mechanics, have released new version of MicroVec Particle Image Velocimetry (PIV) ...

The government’s cybersecurity standards agency will launch a process this year to make it easier to verify government employees’ identities when they access government data on mobile devices. The ...

IDEMIA's ID-One PIV® 243 smart cards are the first new addition to the Approved PIV Card list in four years, after receiving NIST FIPS 140-3 level 2 validation. RESTON, Va., July 29, 2025 /PRNewswire/ ...