Results 21 to 30 of about 2,468,009 (256)

IMECE2010-40121 The Entropy Analysis on NH 3 /CO 2 Cascade Refrigeration Cycle [PDF]

open access: yes, 2020
This paper introduces a cascade refrigeration cycle that uses natural refrigerants of CO 2 and NH 3 at low temperature. It introduces the character of CO 2 and NH 3 , besides analyzes the cascade refrigeration cycle.
Yingbai Xie   +3 more
core  

Community wildfire protection plan for the City of Cascade Locks [PDF]

open access: yes, 2005
57 pp. Bookmarks supplied by UO. Includes figures. Published January, 2005. Captured May 23, 2008.This Community Wildfire Protection Plan covers the City of Cascade Locks and its urban growth boundary.
Cascade Locks (Or.), Hulbert, James H.
core   +1 more source

Transcritical–Transcritical Cascade CO2 Heat Pump with Expansion Work Recovery: A Thermodynamic Analysis

open access: yesEnergies
High-temperature heat pumps are a promising pathway for electrifying industrial process heat, but their application to large-temperature-glide duties remains technically challenging. Milk powder spray drying is one such application, requiring air heating
Lana Kong   +5 more
doaj   +1 more source

A Review of the Cascade Refrigeration System

open access: yesEnergies, 2020
This paper provides a literature review of the cascade refrigeration system (CRS). It is an important system that can achieve an evaporating temperature as low as −170 °C and broadens the refrigeration temperature range of conventional systems.
Mingzhang Pan   +5 more
doaj   +1 more source

Experimental Analysis of the R744/R404A Cascade Refrigeration System with Internal Heat Exchanger. Part 1: Coefficient of Performance Characteristics

open access: yesEnergies, 2021
This study evaluates the performance of an R744/R404A cascade refrigeration system (CRS) with internal heat exchangers (IHE) in supermarkets. R744 is used as the refrigerant in a low-temperature cycle, and R404A is used as the refrigerant in a high ...
Min-Ju Jeon
doaj   +1 more source

Autophagy and mitophagy in pancreatic β‐cell homeostasis and their involvement in diabetes pathophysiology

open access: yesFEBS Letters, EarlyView.
This review focuses on the role of autophagy and mitophagy in maintaining pancreatic β‐cell function and homeostasis. We discuss how genetic defects affecting these pathways contribute to the development of type 1, type 2, monogenic, and gestational diabetes. We further explore their potential as therapeutic targets. Created in BioRender.
Yunkyeong Lee   +2 more
wiley   +1 more source

Dynamic modeling of Terahertz Quantum cascade lasers [PDF]

open access: yes, 2011
In this paper, the influence of the simplifications made in the four-equation-based set of rate equations describing the dynamic behavior of a Quantum Cascade Laser (QCL) is studied.
Petitjean, Yoann   +7 more
core   +1 more source

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

open access: yesFEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri   +5 more
wiley   +1 more source

Interband cascade lasers for the mid-infrared spectral region [PDF]

open access: yes, 2014
Financial support of this work by the German Ministry of Education and Research (FKZ: 13N12440) and by the European Commission in the framework of the FP7 project 'WideLase’ (grant no.
Dallner, M.   +7 more
core   +1 more source

Experimental Analysis of the R744/R404A Cascade Refrigeration System with Internal Heat Exchanger. Part 2: Exergy Characteristics

open access: yesEnergies, 2022
This paper examines the exergy efficiency and exergy destruction rate of the R744/R404A cascade refrigeration system (CRS) using an internal heat exchanger in supermarkets according to various conditions affecting the system.
Min-Ju Jeon
doaj   +1 more source

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