Results 71 to 80 of about 48,334 (266)
The EU Cities Mission: A Governance Innovation for Stockholm?
Environmental Policy and Governance, EarlyView.ABSTRACT Acknowledging that cities play a key role in climate change mitigation, the European Union (EU) launched the Cities Mission in 2021 to accelerate urban climate action. Intended as a governance innovation, it seeks to stimulate mission‐oriented governance in cities.
Lisa Sanderink +2 more
wiley +1 more source
Jixie chuandong, 2002 Because of the limited applying scope of the internal gear drive with zero-tooth-difference, less attention was paid to the kinematic and dynamic features of this mechanism.
王世杰, 李治
doaj
Custom Unit Pump Development for the EVA PLSS [PDF]
This paper describes the effort by the Texas Engineering Experiment Station (TEES) and Honeywell for NASA to design and test a pre-flight prototype pump for use in the Extra-vehicular activity (EVA) portable life support subsystem (PLSS).
Goldman, Jeff +7 more
core +1 more source
Environmental Policy and Governance, EarlyView.ABSTRACT Open space networks provide multiple ecosystem services and other benefits which are particularly important to urban regions. Accordingly, there are many examples around the world of urban‐regional open space policies such as regional parks and green belts that connect non‐built‐up areas over several municipalities. Yet it is still unclear how
Gerd Lintz, Mariam Diagayété
wiley +1 more source
A throttle-less single-rod hydraulic cylinder positioning system: Design and experimental evaluation
Advances in Mechanical Engineering, 2015 Modern industrial tote dumpers and lifters are equipped with long-stroke single-rod hydraulic cylinders. For years, valve-controlled cylinders have been used in tote dumpers.
Ehsan Jalayeri +3 more
doaj +1 more source
Design of a Hydroelectronic Solar‐Tracking System for Solar Panels
Energy Science &Engineering, EarlyView.A prototype of a passive solar‐tracking system utilizing buoyant force based on water level was developed, and its MATLAB/Simulink model was implemented. This study is expected to encourage researchers to design solar‐tracking mechanisms using metals with different thermal expansion coefficients, air, oil, and other fluids. ABSTRACT This study presents
Ufuk Süğürtin, Türker Fedai Çavuş
wiley +1 more source
Selection and Installation of Overhead Manned Equipment in District Rise
Gong-kuang zidonghua, 2011 For problems caused by installation of overhead manned equipment at upper part of district rise and driving modes of motor and gear box, a scheme was proposed, namely adopting overhead manned equipment driven by hydraulic pressure and installing the ...
LI Qing-yang
doaj
Low-thrust chemical propulsion system pump technology [PDF]
Candidate pump and driver systems for low thrust cargo orbit transfer vehicle engines which deliver large space structures to geosynchronous equatorial orbit and beyond are evaluated.
Sabiers, R. L., Siebenhaar, A.
core +1 more source
FlexMat, EarlyView.A multi‐material and dual‐stimulus coupled actuation micro‐gear (MDCAMG) is developed via femtosecond‐laser 3D printing combined with magnetic nanoparticle absorption, enabling integrated environmental sensing and remote actuation at the microscale. The device incorporates a pH‐responsive hydrogel matrix for autonomous swelling/shrinking and a magnetic
Sida Peng, Shengzhi Sun, Jian Li, Yi Zhu
wiley +1 more source
Exploring Belonging Through the Student Union: The Power of Familiar Faces and Comfortable Spaces
New Directions for Higher Education, EarlyView.ABSTRACT Since their origin, college unions have played a significant role in fostering a sense of belonging and advancing the academic mission of colleges. However, published empirical studies remain scarce due to the focus of college union professionals’ work on both student development and facility operations.
Katheryn Paynter‐Fanning +1 more
wiley +1 more source