Results 1 to 10 of about 645,437 (334)

Cambio Climático y Cumbres Globales, entre espejismos y desafíos

open access: yesRevista Kavilando, 2023
Sucesivas coyunturas globales, caracterizadas por episodios de crisis económica, guerras y desastres ambientales, no son más que expresiones de una crisis acelerada del sistema mundo capitalista, la civilización surgida de sus lógicas y contradicciones ...
Mateo Córdoba   +1 more
doaj   +1 more source

Exergy analysis of refrigerator for a three steps freezing process

open access: yesCogent Engineering, 2019
Temperature difference between the evaporator and the product during a freezing process is one of the sources of irreversibility. Application of three-steps evaporator temperature during the freezing course is expected to lower the irreversibility and ...
Paulus Sukusno   +3 more
doaj   +1 more source

Multiplex dispensation order generation for pyrosequencing [PDF]

open access: yes, 2004
This paper introduces the multiplex dispensation order generation problem, a real-life combinatorial problem that arises in the context of analyzing large numbers of short to medium length DNA sequences.
Beldiceanu, Nicolas, Carlsson, Mats
core   +1 more source

Why do Good Cops Defend Bad Cops? [PDF]

open access: yesSSRN Electronic Journal, 2003
Policemen are known to support colleagues who are the subject of criminal investigations. Although we might expect guilty officers to defend each other, why do (otherwise) law‐abiding policemen defend those who have broken the law? We investigate under what conditions it is in the interest of a group to defend its “bad” members.
Benoit, J-P., Dubra, J.
openaire   +2 more sources

Formulation optimization and evaluation of fast dissolving film of aprepitant by using design of experiment

open access: yesBulletin of Faculty of Pharmacy Cairo University, 2018
The concept of fast dissolving dosage form has become popular as new delivery system. This system will provide maximum therapeutic efficacy, increased bioavailability and maximum stability by reducing the frequency of dosage.
Rajni Bala, Shailesh Sharma
doaj   +1 more source

Heterogeneous catalytic ozonation of 2, 4-dinitrophenol in aqueous solution by magnetic carbonaceous nanocomposite: catalytic activity and mechanism [PDF]

open access: yes, 2016
Herein, the catalytic properties of a carbonaceous nanocomposite in the catalytic ozonation process (COP) of 2, 4-dinitrophenol (2, 4-DNP) were investigated and the results were compared with those obtained from single ozonation process (SOP).
Bahrami Asl, F.   +5 more
core  

Análise energética de um chiller de absorção integrado a uma unidade de cogeração a gás natural

open access: yesRevista Principia
Os sistemas de cogeração oferecem um potencial significativo para a exploração racional de recursos energéticos, proporcionando vantagens econômicas e ambientais em vários níveis de complexidade. Este estudo apresenta uma análise energética de um sistema
Suellen Cristina Sousa Alcântara   +3 more
doaj   +1 more source

Techno-economic analysis of a steam supply heat pump system (Potential for cost reduction through adoption of refrigerants with high critical temperatures and removal of a steam compressor)

open access: yesNihon Kikai Gakkai ronbunshu
High-temperature heat pumps represent a pivotal technology in the pursuit of decarbonizing industrial process heating with the utmost efficiency.
Takenobu KAIDA   +2 more
doaj   +1 more source

Model deflection analysis of wooden baseball bat at impact as the bending of freely rotating beam pinned at one end and subjected to impact and inertia forces

open access: yesNihon Kikai Gakkai ronbunshu, 2019
A mechanics-of-materials deflection analysis of wooden baseball bats at impact is developed. Consider the bat which is simply supported a point of grip and elsewhere free to rotate, and the bat is subjected to the impact force with ball and the inertia ...
Hiroyuki KATO, Jyungo KAWAKAMI
doaj   +1 more source

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