Results 31 to 40 of about 19,558,547 (301)

Development and Application of Well-Test Model after Injection Biological Nanomaterials

open access: yesGeofluids, 2022
Nanomaterials are gradually shining in the petroleum industry and have made great achievements in EOR, pipeline coating, fracturing, and other aspects.
Qing Feng   +8 more
doaj   +1 more source

Bacterial cellulose: From production optimization to new applications.

open access: yesInternational Journal of Biological Macromolecules, 2020
Bacterial cellulose (BC) is a biopolymer of great significance to the medical, pharmaceutical, and food industries. However, a high concentration of carbon sources (mainly glucose) and other culture media components is usually required to promote a ...
I. de Andrade Arruda Fernandes   +6 more
semanticscholar   +1 more source

Finite Element Method for the Estimation of Insertion Loss of Noise Barriers: Comparison with Various Formulae (2D)

open access: yesUrban Science, 2020
Noise barriers are a critical part of noise mitigation in urban and rural areas. In this study, a comparison of the insertion loss calculations of noise barriers via the Finite Element Method (FEM) and various formulae (Kurze–Anderson, ISO 9613-2/Tatge ...
Nikolaos M. Papadakis   +1 more
doaj   +1 more source

Large scale active-learning-guided exploration for in vitro protein production optimization

open access: yesNature Communications, 2020
Lysate-based cell-free systems have become a major platform to study gene expression but batch-to-batch variation makes protein production difficult to predict.
Olivier Borkowski   +6 more
semanticscholar   +1 more source

Influence of Color on Loudness Perception of Household Appliances: Case of a Coffee Maker

open access: yesDesigns, 2022
Previous studies have investigated the effect of color on the assessment of loudness in various cases, such as cars, trains, and concert halls. This study sets out to explore the influence of color on the loudness perception of household appliances, in ...
Nikolaos M. Papadakis   +3 more
doaj   +1 more source

Production Planning and Inventories Optimization: A Backward Approach in the Convex Storage Cost Case. [PDF]

open access: yes
We study the deterministic optimization problem of a profit-maximizing firm which plans its sales/production schedule. The firm controls both its production and sales rates and knows the revenue associated to a given level of sales, as well as its ...
Tahraoui, Rabah   +2 more
core   +4 more sources

Research progress of emulsion separation technology in petroleum industry

open access: yesGongye shui chuli
Emulsion separation during crude oil exploitation, transportation and processing is significant for the development of petroleum industry. This paper systematically reviewed the evolution of demulsification technologies, focusing on chemical additive ...
ZHOU Jingjing   +6 more
doaj   +1 more source

Multi-Objective Optimization of an Industrial Isoprene Production Unit by Using Genetic Algorithm Approach [PDF]

open access: yes, 2005
The present work deals with the multi-objective optimization of an industrial Isoprene production unit by using Genetic Algorithm (GA). The purpose of this plant is to produce high purity Isoprene for obtaining synthetic and thermoplastic rubber from a ...
Xavier Joulia   +12 more
core   +1 more source

Review of Acoustic Sources Alternatives to a Dodecahedron Speaker

open access: yesApplied Sciences, 2019
An omnidirectional source is required in many acoustic measurements. Commonly a dodecahedron speaker is used but due to various factors (e.g., high cost, transportation difficulties) other acoustic sources are sometimes preferred. In this review, fifteen
Nikolaos M. Papadakis   +1 more
doaj   +1 more source

A Single Phase Acid for One Step Removal of Organic Deposition and Inorganic Scale

open access: yesZuanjingye yu wanjingye
The deposition of organic and inorganic scales in the near wellbore zone seriously affects the normal production of oil and gas. Conventional blockage removal systems cannot simultaneously remove organic, inorganic, and their mixed scales.
Bo CUI   +5 more
doaj   +1 more source

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