Results 41 to 50 of about 26,848 (281)
Mechanism and gelling effects of linked polymer solution in the core
Petroleum Exploration and Development, 2013 By using Bush viscometer, dynamic and static laser scatter instrument, scanning electron microscope and core flow experimental apparatus, experiments were conducted to study the viscosity, molecular coil dimensions, molecular configuration and static ...
Jinxiang LIU +4 more
doaj +1 more source
ZnO/ionic liquid catalyzed biodiesel production from renewable and waste lipids as feedstocks [PDF]
, 2019 A new protocol for biodiesel production is proposed, based on a binary ZnO/TBAI (TBAI = tetrabutylammonium iodide) catalytic system. Zinc oxide acts as a heterogeneous, bifunctional Lewis acid/base catalyst, while TBAI plays the role of phase transfer ...
Casiello, Michele +8 more
core +1 more source
pI-Control in Comparative Fluorescence Gel Electrophoresis (CoFGE) using amphoteric azo dyes
Data in Brief, 2015 Amphoteric azo dyes were used for internal control of pI values in Comparative two-dimensional Fluorescence Gel Electrophoresis (CoFGE) [1]. The 2D-gel images of separated Escherichia coli proteins as well as those of colored amphoteric dyes separated by
Marina Hanneken +2 more
doaj +1 more source
Discussions on the Properties of Emulsion Prepared by Using an Amphoteric Chitosan as an Emulsifier
Applied Sciences, 2022 A typical emulsion contains oil and water phases, and these two phases can be combined by an emulsifier with both lipophilic and hydrophilic groups to form a mixture. If the component of water is more than oil, the mixture is termed as o/w emulsion.
Chin-Chun Chung +2 more
doaj +1 more source
Light deflection by photonic crystals
, 2003 When propagating through periodically structured media, i. e. photonic crystals, optical waves will be modulated with the periodicity. As a result, the dispersion of waves will no longer behave as in a free space, and so called frequency band structures ...
Chao-Hsien Kuo +9 more
core +1 more source
First-principles study of possible shallow donors in ZnAl2O4 spinel [PDF]
, 2013 ZnAl2O4 (gahnite) is a ceramic which is considered a possible transparent conducting oxide (TCO) due to its wide band gap and transparency for UV. Defects play an important role in controlling the conductivity of a TCO material along with the dopant ...
Cottenier, Stefaan +5 more
core +1 more source
Results in Physics, 2019 In this study, an ideal planar perovskite solar cell (PSC) has been proposed and simulated by using Tungsten Disulfide (WS2) as an electron transport layer (ETL).
K. Sobayel +9 more
doaj +1 more source
Synthesis of polymer-surfactants by gamma irradiation for removal nickel ions from aqueous solution
Journal of Scientific Research in Science, 2020 Two amphoteric surfactants 2-((3-carboxyacryloxy)oxy)-3-(hexadecyloxy)-N,N,N-trimethylpropane-1-ammonium chloride and N-(2-(carboxylatomethoxy)-3-(hexadecyloxypropyl)dimethyl glycinate were synthesized and characterized by different techniques.
Mai M. Mamdouh +3 more
doaj +1 more source
Journal of Materials Research and Technology, 2022 Although silver nanoparticles (AgNPs) possess broad-spectrum antimicrobial activity, their intended use may adversely affect the ecosystem. In this study, alkali lignin (AL) was modified via quaternization to synthesize amphoteric lignin (AML), which was
Yuanyuan Li +3 more
doaj +1 more source
Bistable Amphoteric Native Defect Model of Perovskite Photovoltaics
, 2018 The past few years have witnessed unprecedented rapid improvement of the performance of a new class of photovoltaics based on halide perovskites. This progress has been achieved even though there is no generally accepted mechanism of the operation of ...
Asta, M. D. +8 more
core +2 more sources