Results 241 to 250 of about 4,004,190 (296)

Lewis Acid Site Engineering in MOF‐Derived Aluminum Oxide/Carbon Composites for Dechlorination of Waste Plastic Pyrolysis Oil

Advanced Functional Materials, EarlyView.
Controlled carbonization of an Al‐MOF partially decomposes its linkers, exposing coordinatively unsaturated Al centers within an oxide/carbon composite. The resulting Lewis acid sites, rather than surface area, govern organochlorine capture: the composite removes chemically diverse organochlorines from waste plastic pyrolysis oil, outperforms a ...
Seong Cheon Kim, Byeongju Jeon, Suk Hyun Lim, Eun Hee Kwon, Nam Sun Nho, Siyoung Q. Choi, Jeasung Park   +6 more
wiley   +1 more source

Grayscale Photomasks Enable Noncontact Optical Patterning of Hydroxypropyl Cellulose Gels for Dynamic Art

Advanced Functional Materials, EarlyView.
Mask‐encoded UV exposure translates digital color information into pixel‐resolved structural‐color patterns in hydroxypropyl cellulose gels. Gaussian‐process‐guided calibration links UV processing conditions, wavelength, and mask opacity, enabling parallel fabrication of multicolor images in a single 10 s exposure.
Mengting Ye, Yunyi Zhu, Sai Sabareesh KS, Md Ashiqur Rahman Alif, Yichen Wan, Ruobing Bai, Narges Pourjafarian, Stefanie Mueller, Hongli Zhu   +8 more
wiley   +1 more source

A New Strategy for Creating Quantum Light Emitters Via Post‐Growth Hydrogen‐Ion Irradiation of III‐V Nanowires

Advanced Functional Materials, EarlyView.
A post‐growth method is demonstrated to realize energy‐tunable quantum emitters in GaAs/GaAsN/GaAs core–multishell nanowires on a Si substrate. By combining the N‐induced bandgap reduction with H‐ion irradiation, the GaAsN potential landscape is engineered, enabling isolated, narrow emission lines that function as single‐photon sources with g(2)(0) ∼ 0.
Akant Sagar Sharma, Paolo De Vincenzi, Nadine Denis, Francesca Santangeli, Riccardo Pallucchi, Harikrishnan Gopalakrishnan, Elena Blundo, Antonio Polimeni, Marco Felici, Fumitaro Ishikawa, Marta De Luca   +10 more
wiley   +1 more source

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Treatment Efficiency and Filtration Rate of a Horizontal Sand Filtration System

Asia Pacific Journal of Public Health, 1990
The purpose of this study was to establish acceptable criteria for a horizontal sand filtration (HSF) system that are suitable for the design of community water supply units in rural areas. Two laboratory scales of HSF were constructed and tested for their filtration rates and treatment efficiency in Visetchaicharn District of Angthong Province ...
U, Kompayak, T, Dejthai
openaire   +2 more sources

Efficient Graph Processing with Invalid Update Filtration

IEEE Transactions on Big Data, 2021
Most of existing graph processing systems essentially follow pull-based computation model to handle compute-intensive parts of graph iteration for high parallelism. Considering all vertices and edges are processed in each iteration, pull model may suffers from a large number of invalid (vertex/edge) operations that do not contribute to graph ...
Long Zheng 0003, Xianliang Li, Xi Ge, Xiaofei Liao, Zhiyuan Shao, Hai Jin 0001, Qiang-Sheng Hua   +6 more
openaire   +1 more source

Factors Affecting the Efficiency of Filtration Leukapheresis

Transfusion, 1977
Continuous flow filtration leukapheresis was performed on normal volunteer donors with and without intravenous administration of dexamethasone. Although granulocyte counts were increased in steroid treated donors and almost 20 per cent more cells were presented to the filters, the final yield of granulocytes was slightly decreased and the efficiency of
A J, Katz, J, Houx, E E, Morse
openaire   +2 more sources

Air filtration: Evaluating filtration efficiency

Filtration + Separation, 2012
Filters are increasingly being more widely used in public buildings to remove air pollutants and understanding their effectiveness is crucial. Tony Fedel of Kimberly-Clark Professional Filtration suggests looking beyond the Minimum Efficiency Reporting Value for a better way to evaluate filtration efficiency.
openaire   +1 more source

The deposition of nanofibers onto a traditional filtration medium and their effects on filtration efficiency

Textile Research Journal, 2021
Traditional filtration media composed of fibers with sizes on the micrometer scale have difficulty filtering particles a little smaller than 300 nm. Even though nanofibrous materials are able to capture these particles and can have excellent filtration efficiency, their widespread use continues to be inhibited by several obstacles,
Adéla Kotzianová, Zuzana Hrubá, Štěpán Vondrovic, Ondřej Židek, Marek Pokorný, Vladimír Velebný   +5 more
openaire   +1 more source