Results 111 to 120 of about 1,583,809 (354)

Porous Coatings by Vapor Sublimation and Deposition for Molecular Channeling and Filtration in an Interstitial Fluid Microfiltration Device

open access: yesAdvanced Healthcare Materials, EarlyView.
A vapor‐based porous coating applied within nitinol tubes demonstrated complete suppression of cellular and tissue ingrowth, overcoming a major limitation of implantable interstitial fluid collection devices. Molecular channeling and diffusion are analyzed with probe molecules, showing reliable transport in vitro and in vivo. The coating also achieved >
Yu‐Ming Chang   +8 more
wiley   +1 more source

Metal spinning of axially symmetric parts using proportional electro-hydraulic drive with tracking system [PDF]

open access: yes, 2015
В роботі розглянуті методи та верстатне обладнання для виконання процесу ротаційної витяжки. Запропоновано застосувати для виконання процесу ротаційної витяжки електрогідравлічний привод зі стежною системою, що дає можливість виготовляти деталі на ...
Lozinskyi, D. O.   +11 more
core  

Development of complex mathematical model of hydraulic drive, sensitive to the loading variations

open access: yesVibroengineering PROCEDIA, 2019
In this paper the hydraulic drive sensitive to the change of loading is offered to use under special conditions. Its distinctive feature is a smooth response to the abrupt change of loading from towed and lifted cargo, the impact of hydrometeorological ...
Ivanovskaya Alexandra   +3 more
semanticscholar   +1 more source

Progressive Insights into 3D Bioprinting for Corneal Tissue Restoration

open access: yesAdvanced Healthcare Materials, EarlyView.
This review explores the potential of 3D bioprinting to replicate the complex structure and function of the human cornea. It highlights key advances in bioink development, printing modalities, and in vivo performance, while addressing current challenges and emerging strategies. The review emphasizes bioprinting's promise to overcome donor shortages and
Ilayda Namli   +6 more
wiley   +1 more source

Energy Efficiency Analysis of Hydraulic Excavators’ Swing Drive Transmission

open access: yesMachines
The paper provides an analysis of the energy efficiency of the swing drive system of hydraulic excavators, which integrally includes a hydraulic motor and a planetary reducer.
Vesna Jovanović   +4 more
doaj   +1 more source

High-Accuracy Force Control With Nonlinear Feedforward Compensation for a Hydraulic Drive Unit

open access: yesIEEE Access, 2019
The hydraulic drive unit (HDU) applied in a hydraulic drive legged robot joints adopts an outer loop impedance control method based on the hydraulic control’s inner loop during motion so that the entire system obtains certain compliance characteristics ...
Bin Yu   +5 more
semanticscholar   +1 more source

Smart Catheters for Diagnosis, Monitoring, and Therapy

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents a comprehensive review of smart catheters, an emerging class of medical devices that integrate embedded sensors, robotics, and communication systems, offering increased functionality and complexity to enable real‐time health monitoring, diagnostics, and treatment. Abstract This review explores smart catheters as an emerging class of
Azra Yaprak Tarman   +12 more
wiley   +1 more source

Mod-2 wind turbine system development. Volume 1: Executive summary [PDF]

open access: yes
The development of the MOD-2 wind turbine through acceptance testing and initial operational evaluation is documented. Pitch control hydraulic system, yaw control system, drive train, electrical power station, control system, operations and maintenance ...

core   +1 more source

Hydraulic motor with swinging planetary drive of bevel gears and its force & efficiency calculation [PDF]

open access: yes, 2007
A new kind of hydraulic motor with offset swining planetary drive of bevel gears and the application in Capstan is presented; the researched of the calculation of the efficiency of the mechanism is made.
Huran, Liu   +4 more
core  

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