valve相关论文
a cell-culture microfluidic platform with controllable valves for SERS-based pharmacokinetic analysi
In medical fields,pharmacokinetic detection and synergistic effects of multiple drugs have cost researches lots of time ......
INTRODUCTION Microfluidics has miniaturized and integrated various chemical processes.Soft materials such as PDMS have b......
Objective To evaluate the preventive effect of reflux following esophago-gastric anastomosis with mucosal valve. Methods......
目的观察糖尿病性新生血管性青光眼的综合治疗效果。方法回顾性病例研究。收集濮阳市安阳地区医院2015年6月至2019年12月糖尿病性......
目的分析慢性风湿性心脏病瓣膜的超声特征，探讨其在临床诊断中的价值。方法抽取2015年1月至2020年12月晋城市人民医院收治的慢性风......
Fluid-driven seismicity in relatively stable continental regions:Insights from the February 3^(rd),2
On February 3rd,2020,an isolated MS5.1 earthquake occurred in the northern section of the Longquanshan fault zone.This s......
In-hospital outcomes of transapical versus surgical aortic valve replacement: from the U.S. national
OBJECTIVE To compare the outcomes of transapical transcatheter aortic valve replacement(TA-TAVR)and surgical aortic valv......
Effect of Psychological Nursing on the Mental State and Quality of Life of Patients After Heart Valv
Objective:To explore the effect of psychological nursing on the mental state and quality of life of patients after heart......
The sub-mitral annular aneurysm is a rare cardiac pathology. The etiologies are diverse, ranging from the congenital for......
Theoretical analysis and experimental study on the dynamic behavior of a valve pipeline system durin
To study the dynamic behavior of pipeline systems installed with large-mass valves within nuclear power plants during ea......
<b><span style=“font-family:”“>Background</span></b></span><span><span><b><span style=”font-family:“”>: </span></b......
Catheter-based closure of patent foramen ovale(PFO)is more effective than medical therapy in the prevention of recurrent......
Prosthetic valve thrombosis (PVT) is a rare but serious entity. Its diagnosis and treatment can be challenging and morta......
BACKGROUND Coexistent coronary artery disease is commonly seen in patients undergoing transcatheter aortic valve implant......
The prognostic role of postoperative serum creatinine(within 24 hours)for in-hospital and one-year m
Background Increased serum creatinine(SCr)was common after cardiac surgery and associated with poor outcomes.However,the......
BACKGROUND With an increased number of surgical procedures involving the mitral annular region,the risk of mitral valve ......
Multimodality imaging in the diagnosis and management of prosthetic valve endocarditis:A contemporar
Infective endocarditis is one of the leading life-threatening infections around the world.With the exponential growth in......
Pilot two-stage proportional valves are widely used in high-power hydraulic systems. For the purpose of improving the dy......
Two Zosterophyll Plants from the Lower Devonian(Lochkovian)Xitun Formation of Northeastern Yunnan,Ch
Two zosterophyll plants are described from the Lower Devonian(Lochkovian) Xitun Formation of Qujing,Yunnan,China.Xitunia......
More than 2 million human tissue transplants(bone,tendon,cartilage,skin,cornea,amniotic membrane,stem cells,heart valve,......
AIM:To evaluate the clinical value of the newly modified Simple Endoscopic Score for Crohn’s disease(m SES-CD).METHODS:......
用连续的１ＫＷ－ＣＯ２激光器，对汽车发动机排气阀尾端进行激光相变硬化处理，所得硬化层厚度及硬度值符合标致汽车发动机排气阀的技术要求，可以用于......
According to the’elastic buffer mechanism’and the’variable gap mechanism’,a new device,which is both micropump and a......
A fast algorithm for calculating surface electric field of converter valve shield system by multipol
The surface electric field analysis of the converter valve shield system is a large-scale electrostatic field problem, w......
A new method for deburring of servo valve core edge based on ultraprecision cutting with the designe
Deburring of high-precision components to their micrometer features without any damage is very important but of great di......
鉴于射流偏转板伺服阀在阀类产品相较下的优点以及国内其成品缺乏的现状,提出了其关键结构放大级的优化设计。运用CAD软件对射流偏......
Advance of Study on Design Methods of Hydraulic System of Radio Remote Control of Construction Machi
The working principle of radio remote controlling of construction machinery should be that signals of the radio wave fro......
An Electro-hydraulic loading system is designed based on a test-bed of tractor’s hydraulic steering by-wire. To simulat......
Overall optimization of Rankine cycle system for waste heat recovery of heavy-duty vehicle diesel en
The Rankine cycle system for waste heat recovery of heavy-duty vehicle diesel engines has been regarded as a promising t......
A test platform is established as per the practical working condition of elevating platform fire truck. The influences o......
Interactive plant simulation modeling for developing an operator training system in a natural gas pr
This study proposes a method of interactive plant simulation modeling which delivers the online simulated results to the......
EXPERIMENTAL FEEDBACK ON THE INVESTIGATION OF HYDRAULIC CHARACTERISTICS FOR THE SHIP-LOCK FILLING AN
Where hydraulic characteristics of ship-lock filling and emptying system are concerned, there are much bigger difference......
Microfluidic sequential injection analysis system based on polydimethylsiloxane (PDMS) chip with int
A sequential injection analysis (SIA) system based on polydimethylsiloxane (PDMS) chip with integrated pneumatic-actuate......
AIM:To investigate the feasibility and the effectiveness of ileoileostomy in the region adjacent to the ileocecal valve,......
In the energy regulation based varibable-speed electrohydraulic drive system, the supply energy and the demanded energy,......
A twin-accumulator hydro-pneumatic suspension has been developed based on the off-road vehicle in order to meet the requ......
Heart transplantation is commonplace, the supply is limited. Many exciting changes in the field of mechanical circulator......
Staged fracturing technology of horizontal well is an effective means to improve the single well production of unconvent......
Modeling the pressure characteristics of parallel chokes used in managed pressure drilling and relat
Based on the local resistance computation model for a choke valve and using the flow characteristics of choke valves, we......
目的探讨不同类型室间隔缺损(ventricular septal defect,VSD)并主动脉瓣脱垂(aortic valve prolapse,AVP)介入治疗的个体化治疗方......
Synthesis and Applications of Tetra- functional Branched Poly(ethylene glycol) Derivative for the De
To investigate the effects of polyethylene glycol cross-linking on the mechanical properties, 80 porcine aortic valves w......
The hydraulic caliper disc brake system with air-over-oil is widely adopted at present for heavy vehicles,which makes us......
Surgical valvotomy and repair for neonatal and infant congenital aortic stenosis achieves betterre s
Objectives To compare outcomes after surgical valvuloplasty and balloon dilatation of the aortic valve in neonates and i......
A further development of exclusively inverse frequency domain method for leak detection in pipelines is presented and va......
Analytical study on water hammer pressure in pressurized conduits with a throttled surge chamber for
This paper presents an analytical investigation of water hammer in a hydraulic pressurized pipe system with a throttled ......
The novel SiC foam valve tray was made of thin slices of SiC foam material with a high specific surfacearea. Hydrodynami......
Pneumatic cryogenic control valves(PCCV)are designed to meet the special requirements for the large cryogenic helium ref......
Objective: To present a case of electrical storm (ES) in a female patient with rheumatic valve disease. Methods: A femal......
