نتایج جستجو برای: oil chemistry

تعداد نتایج: 246076  

Journal: :Advanced materials 2016
Xuelin Tian Ville Jokinen Juan Li Jani Sainio Robin H A Ras

Thermodynamically unusual surfaces that possess two contradictory wetting properties, i.e., underoil superhydrophobicity and underwater superoleophobicity, are prepared by the combination of re-entrant topography and delicately matched surface chemistry. The preparation of such extraordinary surfaces relies on two key design criteria and employs a metastable state effect in solid-oil-water syst...

2010
S K Mehta Khushwinder Kaur

Ionic liquids are receiving much attention as environmentally benign media for reactions, separations, and multidisciplinary chemistry, due to their unique physicochemical properties which include non-volatility, high stability, high ionic conductivity, wide electrochemical window and easy recyclability. We summarize herein microemulsion formulations and applications where ionic liquids are use...

Journal: :Chemistry & biology 2012
Niles Lehman

When RNA is replicated in cell-free systems, a ubiquitous problem is the hijacking of the system by short parasitic RNA sequences. In this issue of Chemistry & Biology, Bansho et al. show that compartmentalization into water-in-oil droplets can ameliorate this problem, but only if the droplets are small. This result helps to both recapitulate abiogenesis and optimize synthetic biology.

2015
Philip S. Brown Bharat Bhushan

Coatings with specific surface wetting properties are of interest for anti-fouling, anti-fogging, anti-icing, self-cleaning, anti-smudge, and oil-water separation applications. Many previous bioinspired surfaces are of limited use due to a lack of mechanical durability. Here, a layer-by-layer technique is utilized to create coatings with four combinations of water and oil repellency and affinit...

2018
Xing Fan Bo Chen Xun Hu Nilusha Sudasinghe Ya-He Zhang

1Department of Applied Chemistry, China University of Mining and Technology, Xuzhou 221116, China 2Department of Chemical & Petroleum Engineering, University of Wyoming, Laramie, WY 82071, USA 3Fuels and Energy Technology Institute, Curtin University, Bentley, WA 6102, Australia 4Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA 5State Key Laboratory of Heavy Oil Pr...

2006

The Green River Formation oil shales have been the object of only a limited amount of effort aimed a t describing how they came to be. Much that has appeared looks at only one facet of a complex, integrated system. In 1925 Bradley (2) published an initial postulate which still has much strength although Bradley ultimately was moved away from this idea. Smith and Robb (16), Smith (13), and Smith...

2009

The remediation of oil contaminated soils has been a major problem in oil producing countries and recently use of plants to clean such soils has been on investigation. In order to identify plants that can enhance the remediation of crude oil contaminated soil, the effect of the growth of G. max on the physico-chemistry and crude oil content of soil contaminated with different concentrations of ...

2004
George Hirasaki

Oil recovery by waterflooding in fractured formations is often dependent on spontaneous imbibition. However, spontaneous imbibition is often insignificant in oil-wet, carbonate rocks. Sodium carbonate and anionic surfactant solutions are evaluated for enhancing oil recovery by spontaneous imbibition from oil-wet carbonate rocks. Crude-oil samples must be free of surface-active contaminants to b...

M. Farzingohar, M. Yasemi, Z. Z. Ibrahim,

Rajaee port in Bandar Abbas is one of the important-oil transport hubs in Persian Gulf and any oil spill incidents can result in pollution, which impact on human habitats and the marine environment. Oil spill trajectory modeling is a tool which applied to increase the knowledge about oil spill fate. The GNOME model is a physical model which indicates the oil spill movements on sea water and pot...

M. Farzingohar, M. Yasemi, Z. Z. Ibrahim

Rajaee port in Bandar Abbas is one of the important-oil transport hubs in Persian Gulf and any oil spill incidents can result in pollution, which impact on human habitats and the marine environment. Oil spill trajectory modeling is a tool which applied to increase the knowledge about oil spill fate. The GNOME model is a physical model which indicates the oil spill movements on sea water and pot...

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