Results 51 to 60 of about 164,576 (302)

Proposed liquid CO2 cycle refrigeration system for heat hazard control

open access: yesMATEC Web of Conferences, 2018
Liquid CO2 can absorb heat via phase change and generates cryogenic CO2 which can effectively solve the problem of thermal damage in the deep coal mining process.
Zhai Xiaowei, Xu Yu, Yu Zhijin, Wang Kai
doaj   +1 more source

Fill and vent quick disconnect [PDF]

open access: yes, 1972
Hydraulic disconnect coupling on ground serving half of spacecraft refrigeration cooling system employs movable center stem for venting and closing nipple poppet.
Boerner, R. Y., Hedrick, R. W.
core   +1 more source

An Edible H2O2 Biosensor for Gastrointestinal Metabolites and Peroxidase Enzyme Quantification

open access: yesAdvanced Healthcare Materials, EarlyView.
We present an edible biosensor for gastric fluid analysis that integrates a caffeic acid–horseradish peroxidase redox system into an edible electrolyte‐gated transistor. The device enables rapid, low‐volume detection of H2O2 and, with minimal modification, metabolites and enzyme activity in simulated gastrointestinal conditions.
Valerio Francesco Annese   +10 more
wiley   +1 more source

Biomimetic Copper‐Doped Nano‐Aluminum Adjuvant Potentiates Therapy in Chemoresistant Acute Myeloid Leukemia

open access: yesAdvanced Healthcare Materials, EarlyView.
We developed a novel copper‐doped aluminum nano‐adjuvant (CuNA) to overcome cytarabine resistance in acute myeloid leukemia (AML). CuNA effectively sensitizes drug‐resistant AML cells to cytarabine by inducing mitochondrial dysfunction and inhibiting HMGCR/GPX4 to amplify ferroptosis.
Chao He   +10 more
wiley   +1 more source

Safe transport of diborane in a dual refrigerant system: A concept [PDF]

open access: yes, 1972
Mobile transport system, that can be carried by truck and parked in storage area, consists of an inner container capable of holding 363 kg of diborane and an external, dual refrigeration unit which uses liquid nitrogen and Freon ...
Stone, G. R.
core   +1 more source

Skin‐Interfaced Therapeutic Patches for Wound Fluid Management and Transdermal Drug Delivery

open access: yesAdvanced Healthcare Materials, EarlyView.
This study presents an integrated skin‐interfaced device combining microfluidics, hydrogel film technology, flexible electronics, and iontophoresis‐based transdermal delivery of PDRN to enhance wound healing. The device effectively manages wound fluid, maintains optimal moisture, and non‐invasively delivers therapeutic drugs.
Dongjun Han   +5 more
wiley   +1 more source

Decentralized Split Evaporative Condensation Refrigeration System for Metro Stations

open access: yesChengshi guidao jiaotong yanjiu
[Objective] Evaporative condensation refrigeration systems are characterized by energy efficiency, water conservation, space savings, not requiring ground cooling tower installations.
Qi WANG, Yi ZHENG
doaj   +1 more source

Dynamic modelling of meat plant energy systems : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology at Massey University [PDF]

open access: yes, 1993
The objective of this study was to develop dynamic mathematical models of the major energy use and recovery operations within the New Zealand meat industry.
Kallu, Rodger David Stephen
core  

Experimental and theoretical research on the electrical conductivity of a liquid desiccant for the liquid desiccant air-conditioning system: LiCl aqueous solution [PDF]

open access: yes, 2018
At present, the energy consumption in buildings occupies a large proportion of total energy use, and air-conditionings cost a large proportion of energy in the buildings. The liquid desiccant air-conditioning system has a good energy saving potential and
Cheng, Q, Feng, W, Wang, H, Xu, W
core   +1 more source

Engineered ETS1‐Nanoconjugate Restores Immune Homeostasis through Dual Immune‐Vascular Modulation in Relapsing and Progressive Multiple Sclerosis

open access: yesAdvanced Healthcare Materials, EarlyView.
The biomimetic nanoplatform IMNP (ETS1 pDNA/PBAE@ITP‐MM) undergoes targeted disassembly at inflammatory vascular sites to release the ETS1 plasmid (pETS1). This release initiates a cascade of effects that inhibit pathogenic pathways and support immune homeostasis. (Abbreviations: EndMT, endothelial‐to‐mesenchymal transition; EC, endothelial cell; TC, T
Feng Zhang   +13 more
wiley   +1 more source

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