Results 51 to 60 of about 3,191,259 (277)

Aerosol Jet Printing of Benzocyclobutene as a Thermally Stable, Low‐Loss Dielectric for Multilayer Microwave Electronics

open access: yesAdvanced Materials Technologies, EarlyView.
Multilayer aerosol jet printed components with a low‐loss, thermally stable dielectric are demonstrated using benzocyclobutene. Ink formulation and in‐line droplet evaporation control support high‐quality, versatile, and stable printing performance. A specialized measurement for low‐loss materials reveals promising microwave properties, which, combined
Md Ramjan Ali   +3 more
wiley   +1 more source

A Constraint‐Based Analytical Framework for Design‐Space Analysis and Material Screening of Tubular Multilayer Dielectric Elastomer Pumps for Extracorporeal Circulatory Applications

open access: yesAdvanced Materials Technologies, EarlyView.
A constraint‐based analytical framework maps the coupled effects of material properties, structural parameters, and operating conditions in tubular dielectric elastomer pumps for extracorporeal circulatory applications. The approach defines performance boundaries through mechanical, electrical, and hydraulic constraints and identifies feasible design ...
Yan Zhang   +3 more
wiley   +1 more source

Development of integrative control device of belt conveyor

open access: yesGong-kuang zidonghua, 2013
In view of problems of many operating procedures and high labor intensity existed in process of belt-shrinking, tensioning and belt-winding of belt conveyor, an integrative control device of belt conveyor was designed.
XING Hai-long
doaj  

The Influence of Internal Geometry on Pressure Losses, Hydraulic Stability, and Cavitation Risk in a Firefighting Monitor

open access: yesApplied Sciences
This paper presents a combined CFD and experimental investigation of water flow through a Shootfire-1000 water-foam fire monitor. The study aimed to assess pressure losses, flow characteristics, hydraulic stability, and cavitation risk, and to evaluate ...
Michał Zielina   +3 more
doaj   +1 more source

bCPAP device operating specifications.

open access: yes, 2013
bCPAP device operating specifications.
Heather Machen (287335)   +11 more
core   +1 more source

Self‐Sealing Microneedles Improve Precision and Reduce Reflux in Subretinal Cell Transplantation

open access: yesAdvanced Materials Technologies, EarlyView.
Ultrafine 49G microneedles enable subretinal delivery of induced pluripotent stem cell‐derived retinal pigment epithelial cells through a 50 µm outer diameter tip. Compared with conventional 38G microcannulas, these microneedles reduce cell suspension reflux in a rabbit model, highlighting the potential of microinvasive delivery instruments to improve ...
Jared Ching   +9 more
wiley   +1 more source

Hemolysis in a continuous-flow ventricular assist device with/without chamfer

open access: yesAdvances in Mechanical Engineering, 2017
Ventricular assist device has been increasingly used in the treatment of end-stage heart failure, with a high incidence of hemolysis in clinical use, which is a serious problem to be solved.
Donghai Li   +5 more
doaj   +1 more source

Hydraulic rake screen

open access: yes, 2013
This diploma thesis Hydraulic rake screen deals with the design of the hydraulic screen cleaning device with a stroke of 1800 mm, which will be placed in 1000 mm wide flow chanell of the wastewater treatment facility.
Perejda, Michal
core   +1 more source

OPTIMIZATION OF HYDRAULIC EXCAVATOR WORKING DEVICE (MT)

open access: yes, 2023
Excavators are the main construction machinery for earth and stone engine. Due to the uncertainties of the work object, load, and operation, the force of the working device of the excavators becomes more complicated. The working device is mainly composed
CHEN Wei   +4 more
core   +1 more source

Soft Actuators Integrated with Control and Power Units: Approaching Wireless Autonomous Soft Robots

open access: yesAdvanced Robotics Research, EarlyView.
Soft robots exhibit significant development potential in various applications. However, there are still key technical challenges regarding material improvement, structure design and components integration. This review focuses on the development and challenge of soft actuators, power components, and control components in untethered intelligent soft ...
Renwu Shi, Feifei Pan, Xiaobin Ji
wiley   +1 more source

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