Results 11 to 20 of about 1,796,791 (389)

UNF Coronavirus Information 2021 [PDF]

open access: yes, 2021
General information about the campus response to the COVID-19 pandemic, including the 4 Key Pillars of Shared ...
UNF Emergency Management
core   +1 more source

Coronavirus Updates [PDF]

open access: yes, 2021
Campus Coronavirus Updates for March 10 ...
UNF Emergency Management
core   +1 more source

A Study on the Factors Influencing Coal Fracturing Range Caused by Liquid Carbon Dioxide Phase Transition

open access: yesGeofluids, 2022
Liquid carbon dioxide phase transition fracturing technology (LCPTF) is an effective method to increase coal seam permeability, but there are many factors that affect the fracturing effect.
Xinyu Hu   +6 more
doaj   +1 more source

Investigation on the Properties of Flame-Retardant Phase Change Material and Its Application in Battery Thermal Management

open access: yesEnergies, 2023
The thermal safety problem of lithium-ion batteries (LIB) in use requires an excellent thermal management system to preserve it. In the paper, an expansion flame-retardant composed of APP and CFA and kaolinite is used to enhance the flame-retardant ...
Yilin Cui   +6 more
doaj   +1 more source

Effect of Layered Aminovanadic Oxalate Phosphate on Flame Retardancy of Epoxy Resin

open access: yesMolecules, 2023
To alleviate the fire hazard of epoxy resin (EP), layered ammonium vanadium oxalate-phosphate (AVOPh) with the structural formula of (NH4)2[VO(HPO4)]2(C2O4)·5H2O is synthesized using the hydrothermal method and mixed into an EP matrix to prepare EP/AVOPh
Po Hu   +7 more
doaj   +1 more source

Criterion for Hydraulic Fracture Propagation Behavior at the Interface of a Coal Measure Composite Reservoir

open access: yesGeofluids, 2022
Regarding the three expansion modes of hydraulic fractures at the interface of a coal measure composite reservoir (arrested, deflection, and penetration), based on the coupling theory of fluid flow and solid elastic deformation, a criterion that ...
Yifeng Guo   +6 more
doaj   +1 more source

Experimental Investigation on the Thermal Management for Lithium-Ion Batteries Based on the Novel Flame Retardant Composite Phase Change Materials

open access: yesBatteries, 2023
Thermal management systems are critical to the maintenance of lithium-ion battery performance in new energy vehicles. While phase change materials are frequently employed in battery thermal management systems, it’s important to address the concerns ...
Yue Yu   +5 more
doaj   +1 more source

Conceptual Design and Parametric Optimization of a New Multileveled Horsetail Structure for Bicycle Helmets

open access: yesAdvanced Engineering Materials, EarlyView., 2023
This study aims to explore the feasibility of using a structure inspired by the features of horsetail and human spine as the potential helmet liner, targeting at mitigation of acceleration‐induced injuries. A parametric study is conducted to investigate the effect of individual geometrical variables in the design, indicating its capability to reduce ...
Bing Leng   +3 more
wiley   +1 more source

Burden and seasonality of medically attended influenza like illness (ILI) in Ethiopia, 2012 to 2017

open access: yesBMC Infectious Diseases, 2020
Background The influenza virus spreads rapidly around the world in seasonal epidemics, resulting in significant morbidity and mortality. Influenza-related incidence data are limited in many countries in Africa despite established sentinel surveillance ...
Musse Tadesse   +13 more
doaj   +1 more source

Heavy Metal Contamination Alters the Co-Decomposition of Leaves of the Invasive Tree Rhus typhina L. and the Native Tree Koelreuteria paniculata Laxm

open access: yesPlants, 2023
Invasive and native plants can coexist in the same habitat; however, the decomposition process may be altered by the mixing of invasive and native leaves. Heavy metal contamination may further alter the co-decomposition of both leaf types.
Zhelun Xu   +8 more
doaj   +1 more source

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