Results 91 to 100 of about 3,518 (204)

Hematological Abnormality, Oxidative Stress, and Genotoxicity Induction in the Greenhouse Pesticide Sprayers; Investigating the Role of NQO1 Gene Polymorphism

open access: yesToxics, 2018
The widespread use of pesticides in agriculture represents a threat to the human populations exposed to them. In this cross-sectional study, the hematological and biochemical parameters, plasma cholinesterase (PChE) activity, oxidative stress ...
Nahid Ahmadi   +6 more
doaj   +1 more source

The puzzling temporally variable optical and X-ray afterglow of GRB 101024A

open access: yes, 2011
Aim: To present the optical observations of the afterglow of GRB 101024A and to try to reconcile these observations with the X-ray afterglow data of GRB 101024A using current afterglow models Method: We employ early optical observations using the Zadko
A. Klotz   +34 more
core   +1 more source

Study on Supercritical CO2 Heat Transfer Enhancement in Airfoil PCHE

open access: yesLiaoning Shiyou Huagong Daxue xuebao
In order to break through the bottleneck of heat transfer efficiency of traditional printed circuit heat exchangers, a physical model of airfoil PCHE was established, numerical simulations were conducted to study the convective heat transfer of ...
Xiaojun LIAN   +5 more
doaj   +1 more source

Caractérisation des situations hydro-biologiques et potentialités de pêche thonière au Cap Lopez en Juin et Juillet 1972 et 1974 [PDF]

open access: yes, 1975
Surface temperature was measured by remote sensing through Cape Lopez (Gulf of Guinea) frontal region during the fishing season in June and July 1972 and 1974.
Noel, J., Stretta, J.M., Vercesi, L.
core  

A 3E (Energy, Exergy, and Economic) comparative analysis for a novel methane-nitrogen finned channel printed circuit heat exchanger at supercritical pressures in small-scale natural gas liquefaction refineries

open access: yesInternational Journal of Thermofluids
Printed circuit heat exchangers (PCHEs) using nitrogen as a renewable coolant are a progressive candidate in small-scale natural gas liquefaction refineries.
Mehdi Salmanpour   +3 more
doaj   +1 more source

Study on Heat Transfer and Pressure Drop Performances of Airfoil-Shaped Printed Circuit Heat Exchanger

open access: yesChemical Engineering Transactions, 2014
Printed circuit heat exchanger (PCHE) is one of the most promising micro-channel heat exchangers for very high temperature and high pressure conditions.
L. Li, T. Ma, X. Xu, M. Zeng, Q. Wang
doaj   +1 more source

Methods-in-Place

open access: yesInternational Journal of Qualitative Methods, 2015
A collaborative research project with Noojmowin Teg Health Centre on Manitoulin Island, Ontario, examined the impacts of traditional medicine workshops on participants’ perceptions of culture, health, and environment. Methods used in this research turned
Lynn Barwin   +3 more
doaj   +1 more source

The puzzling harmonic behavior of the Cathedral QPO in XTE J1859+226

open access: yes, 2011
Abridged: We present a spectral and temporal analysis of the Cathedral QPO detected in the power density spectra of the microquasar XTE J1859+226 obtained with RXTE. This type of QPO manifests as two peaks with similar amplitudes and harmonically related
Berger   +18 more
core   +3 more sources

New generation Line-Focusing Solar Power Plants with Molten Salts and Supercritical Carbon Dioxide Joule-Brayton Cycles [PDF]

open access: yes, 2014
Nowadays there is no dominant technology for the concentrated solar power plants that means there is still a way to go. Within this context, new concepts for solar fields and power cycles are being studied.
Coco Enriquez, Luis   +2 more
core  

Experimental and Simulation-Based Development of Heat-Transfer Correlations for Cyclopentane PCHE

open access: yesEnergies
Within the energy sector, the potential to effectively harness the considerable energy present in gas turbine waste heat via an organic Rankine cycle (ORC) could markedly improve overall energy efficiency. This investigation centers on a printed-circuit heat exchanger (PCHE) utilizing cyclopentane as the working fluid.
Xiaogang Qin   +5 more
openaire   +2 more sources

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