Results 111 to 120 of about 5,733,061 (341)

Study of the technical parameters dynamics influence on operational performance of hydraulic single-bucket excavators

Вестник СибАДИ
Introduction. The development of automobile and road construction is a priority in the Russian economy. Timely putting construction projects in commission increases the requirements for planning of execution mechanized works.
R. F. Salikhov, V. B. Permiakov
doaj   +1 more source

Efficiency improvement of a solar direct volumetric receiver utilizing aqueous suspensions of CuO

, 2018
In this paper, an experimental study was performed to investigate the photothermal conversion properties of CuO‐H2O nanofluid‐based volumetric receiver mainly considering the effects of nanoparticle (NP) concentration, irradiation time, and receiver ...
Ruomei Zhang, Jian Qu, Min Tian, Xinyue Han, Qian Wang   +4 more
semanticscholar   +1 more source

3D‐Printed Porous Hydroxyapatite Formed via Enzymatic Mineralization

Advanced Functional Materials, EarlyView.
Bone combines lightness, strength, and the ability to heal, inspiring new materials design. This work introduces a room‐temperature, enzyme‐mediated 3D printing method to create porous hydroxyapatite scaffolds. The process avoids energy‐intensive sintering, preserves bioactivity, and allows control over porosity and mineralization.
Francesca Bono, Anna Puiggalí‐Jou, Greta Cocchi, Mariangela Miccoli, Katharina Maniura‐Weber, Marcy Zenobi‐Wong, Esther Amstad   +6 more
wiley   +1 more source

Simulation and Experimental Study on the Oil Circulation Rate (OCR) of R290 Electrical Vehicle Compressors

Applied Sciences
This paper establishes a simulation model for the performance of an R290 variable frequency compressor in automotive air conditioning and sets up a compressor performance testing system.
Jianhong Chen, Leren Tao, Lihao Huang, Xiaofei Wang, Xingjiang Li, Haonan Chen   +5 more
doaj   +1 more source

Bio‐Inspired Molecular Events in Poly(Ionic Liquids)

Advanced Functional Materials, EarlyView.
Originating from dipolar and polar inter‐ and intra‐chain interactions of the building blocks, the topologies and morphologies of poly(ionic liquids) (PIL) govern their nano‐ and micro‐processibility. Modulating the interactions of cation‐anion pairs with aliphatic dipolar components enables the tunability of properties, facilitated by “bottom‐up ...
Jiahui Liu, Marek W. Urban
wiley   +1 more source

Mathematical modeling of thermal stabilization of vertical wells on high performance computing systems

, 2013
Temperature stabilization of oil and gas wells is used to ensure stability and prevent deformation of a subgrade estuary zone. In this work, we consider the numerical simulation of thermal stabilization using vertical seasonal freezing columns.
Pavlova, Natalia V., Vabishchevich, Petr N., Vasilyeva, Maria V.   +2 more
core   +1 more source

Scalable Polyelectrolyte Complex‐Based Sorbent With Hourly Sorption−Desorption Cycles for Multicyclic Atmospheric Water Harvesting in Arid Environments

Advanced Functional Materials, EarlyView.
A polyelectrolyte complex‐based sorbent is produced by scalable, environmentally benign aqueous phase inversion. Its porous, LiCl‐ and GO‐integrated architecture enables hourly adsorption−desorption cycles at low relative humidity (RH < 30%). A large‐scale prototype achieves multicyclic, solar‐driven atmospheric water harvesting of 1.37 L kg−1 day−1 ...
Seung‐Hwan Oh, Incheol Heo, Won Cheol Yoo, Soo‐Hyung Choi   +3 more
wiley   +1 more source

Bioinspired Stabilization of Fluorescent Au@SiO2 Tracers for Multimodal Biological Imaging

Advanced Functional Materials, EarlyView.
This study demonstrates a bioinspired stabilization strategy for fluorescent gold‐silica nanoparticles. Inspired by natural biosilica maturation, high‐temperature calcination transforms the silica shells, preventing dissolution in cell culture media and intracellular environments.
Wang Sik Lee, Henry Lee, Patricia Taladriz‐Blanco, Dimitri Vanhecke, Barbara Rothen‐Rutishauser, Alke Petri‐Fink   +5 more
wiley   +1 more source

Characteristics of High-Pressure Injection Pump Operated with Renewable Fuel for Diesel Engines

Energies
The use of renewable fuels for internal combustion engines marks a significant stride towards sustainability in transportation and power generation. Ensuring the compatibility of these fuels with existing diesel engines and infrastructure is paramount ...
Ornella Chiavola, Fulvio Palmieri, Francesco Verdoliva   +2 more
doaj   +1 more source

An efficient volumetric method for non-rigid registration

Graphical Models, 2015
Abstract We propose a novel and efficient volumetric method for registering 3D shapes with non-rigid deformations. Our method uses a signed distance field to represent the 3D input shapes and registers them by minimizing the difference between their distance fields.
Ran Zhang, Xuejin Chen, Takaaki Shiratori, Xin Tong, Ligang Liu   +4 more
openaire   +1 more source