Results 1 to 10 of about 843,236 (217)

Oil oxidation in the whole temperature regions during oil reservoir air injection and development methods

Petroleum Exploration and Development, 2020
The oil oxidation characteristics of the whole temperature regions from 30 °C to 600 °C during oil reservoir air injection were revealed by experiments.
Guangzhi LIAO, Hongzhuang WANG, Zhengmao WANG, Junshi TANG, Bojun WANG, Jingjun PAN, Huaijun YANG, Weidong LIU, Qiang SONG, Wanfen PU   +9 more
doaj   +3 more sources

Thermodynamic Performance Analysis and Refrigerant Evaluation of Enhanced Cascade Vapor-Injection Refrigeration Systems [PDF]

Entropy
To enhance the compression efficiency and refrigerant flow capacity for low-temperature refrigeration applications, the vapor-injection strategy is innovatively synthesized with two-stage cascade refrigeration systems.
Jidong Li, Maolin Cai, Weiqing Xu, Guanwei Jia   +3 more
doaj   +2 more sources

Numerical simulation of CO2 fire preventing and extinguishing based on Box-Behnken design

Meikuang Anquan, 2023
In order to study and analyze the impact of CO2 injection at different locations, different CO2 injection flow rates, and different temperatures on CO2 fire prevention, the 8406 working face of Yangmei No.5 coal mine was selected as the research object.
BAI Gang, LINGHU Jianshe, LI Yaoqian, ZHOU Xihua, TANG Xiaoyu   +4 more
doaj   +1 more source

A Numerical Simulation Study on Wellbore Temperature Field of Water Injection in Highly Deviated Wells [PDF]

Journal of Petroleum Science and Technology, 2017
According to the temperature distribution of water injection well-bore in highly deviated wells under different conditions and unstable temperature field heat conduction principles, a true three-dimensional model was established to analyze the law of ...
LIU Jun, WANG Wei, Zhang zhong, xiao hua
doaj   +1 more source

Solvent temperature: An injection condition to bring multiple changes in the heavy oil exploitation process based on the cyclic solvent injection (CSI) recovery method

Energy Science & Engineering, 2020
Heavy oil is a major fossil fuel resource to fulfill global growing fuel consumption. Hot solvent injection is an effective heavy oil production method.
Kewei Zhang, Xinqian Lu, Xiang Zhou, Hongfeng Lu, Lilong Yang, Fanhua Zeng   +5 more
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An Increase in Peripheral Temperature following Cocaine Administration Is Mediated through Activation of Dopamine D2 Receptor in Rats

Life, 2022
Drug addiction has become a worldwide problem, affecting millions of people across the globe. While the majority of mechanistic studies on drug addiction have been focused on the central nervous system, including the mesolimbic dopamine system, the ...
Suchan Chang, Yeonhee Ryu, Se Kyun Bang, Han Byeol Jang, DanBi Ahn, Hyung Kyu Kim, Hubert Lee, Sang Chan Kim, Bong Hyo Lee, Hee Young Kim   +9 more
doaj   +1 more source

Mechanical properties and porosity of dental glass-ceramics hot-pressed at different temperatures

Materials Research, 2008
The objective of this work was to evaluate biaxial-flexural-strength (σf), Vickers hardness (HV), fracture toughness (K Ic), Young's modulus (E), Poisson's ratio (ν) and porosity (P) of two commercial glass-ceramics, Empress (E1) and Empress 2 (
Carla Castiglia Gonzaga, Paulo Francisco Cesar, Cristina Yuri Okada, Catia Fredericci, Flávio Beneduce Neto, Humberto Naoyuki Yoshimura   +5 more
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Multi response optimization of injection moulding process parameters of polystyrene and polypropylene to minimize surface roughness and shrinkage’s using integrated approach of S/N ratio and composite desirability function

Cogent Engineering, 2020
The present study is intended to optimize and develop a prediction model for horizontal injection moulding process parameters. The processing materials are polystyrene (PS) and polypropylene (PP), while the final products are cups.
Qazi Muhammad Usman Jan, Tufail Habib, Sahar Noor, Muhammad Abas, Shakir Azim, Qazi Muhammad Yaseen   +5 more
doaj   +1 more source

Research on key influence parameters of low-temperature starting process of diesel engine [PDF]

Journal of Hebei University of Science and Technology
In order to achieve better starting performance of diesel engine in extreme low-temperature environment, the relevant parameters affecting the starting of diesel engine were researched.
Hairong ZHU, Kailun ZHANG, Xiaoyang LIU, Lin LI, Xu XIAO   +4 more
doaj   +1 more source

Effect of Mould and Melt Temperature on the Properties of Styrene Acrylonitrile Moulded Parts [PDF]

JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering), 2018
The quality of injection moulded parts can be influenced by processing parameters. The effect of mould temperature and melt temperature on the weight and shrinkage of Styrene Acrylonitrile moulded part was observed in this research.
Cahyo Budiantoro, Adi Nugroho
doaj   +1 more source