Results 21 to 30 of about 4,078,135 (331)

Soil Chemical Properties Under Conservation Agriculture and Cereal-Based Cropping System in Eastern Tarai of Nepal [PDF]

open access: yes, 2020
Field experiments were conducted for four years (2014-2017) at five locations namely Salbani, Bhokraha, Simariya, Bhaluwa and Kaptanganj of Sunsari district to assess the changes in soil chemical properties under conservation agriculture (CA)-based ...
Gyawaly, P. (Pankaj)   +5 more
core  

Characterizing Surface Properties of Aggregates Used in Hot Mix Asphalt [PDF]

open access: yes, 2006
Physical and chemical properties of aggregates at the micro scale strongly impact the adhesive bond (strength and durability) between bitumen and aggregate.
Bhasin, Amit, Little, Dallas N.
core   +1 more source

Fractionation of Buckwheat Seed Phenolics and Analysis of Their Antioxidant Activity

open access: yesPolish Journal of Food and Nutrition Sciences, 2015
Five fractions of phenolic compounds were obtained from the extract of common buckwheat seed (Fagopyrum esculentum Moench) using Sephadex LH-20 column chromatography with methanol as a mobile phase.
Karamać Magdalena   +2 more
doaj   +1 more source

Exploiting the dynamic properties of FET-based chemical sensors [PDF]

open access: yes, 1989
After a long period of mainly static application of ISFETS, other more sophisticated applications are being developed, based on the exploitation of the dynamic properties of ISFETS. Examples are the use of flow-through cells with sample injection and the
Bergveld, P.
core   +3 more sources

The physical and chemical properties of planet forming disks [PDF]

open access: yes, 2019
VLT instruments and ALMA have revolutionized in the past five years our view and understanding of how disks turn into planetary systems. They provide exquisite insights into non-axisymmetric structures likely closely related to ongoing planet formation ...
Kamp, I.
core   +3 more sources

Inverse Quantum Chemistry: Concepts and Strategies for Rational Compound Design [PDF]

open access: yes, 2014
The rational design of molecules and materials is becoming more and more important. With the advent of powerful computer systems and sophisticated algorithms, quantum chemistry plays an important role in rational design.
Reiher, Markus, Weymuth, Thomas
core   +1 more source

Antioxidant Potential and Phenolic Compounds of Some Widely Consumed Turkish White Bean (Phaseolus vulgaris L.) Varieties

open access: yesPolish Journal of Food and Nutrition Sciences, 2016
The antioxidant potential and phenolic compounds content were investigated in ten white bean varieties widely consumed in Turkey. Total phenolic contents of seeds varied between 0.33 and 0.63 mg GAE/g.
Orak Hakime Hülya   +3 more
doaj   +1 more source

Phenolic Profile and Antioxidant Activity of Fractions of Procyanidin-Rich Hawthorn (Crataegus monogyna Jacq.) Bark Extract Separated by Low-Pressure Liquid Chromatography

open access: yesMolecules
Plant materials rich in proanthocyanidins are fractionated to determine the structure of these compounds and relate it to bioactivity. The aim of this study was to fractionate a procyanidin-rich hawthorn bark extract using low-pressure liquid ...
Magdalena Karamać   +3 more
doaj   +1 more source

Edible Coating Chitosan-Acerola to Replace the Sulfites as Preservatives of Fresh Shrimps (Litopenaeus vannamei)

open access: yesInternational Journal of Food Science
Melanosis is a chemical reaction based on lipid oxidation, which reduces shrimp shelf-life. This research is aimed at applying chitosan-based coating solutions incorporated with a natural antioxidant (acerola extract) as an antimelanotic material for ...
Leiliane Teles César   +5 more
doaj   +1 more source

Chemical Properties of Californium [PDF]

open access: yesJournal of the American Chemical Society, 1950
Abstract : Some evidence as to the chemical nature of the new element californium is presented. The chemical separation and identification of the new element was accomplished through the use of ion-exchange adsorption methods employing the resin Dowex-50.
Street, Jr.   +2 more
openaire   +2 more sources

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