Results 41 to 50 of about 50,725 (202)

Cow milk coagulation: process description, variation factors and evaluation methodologies. A review

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2017
Introduction. For dairy producers who want to transform their milk, the ability of milk to coagulate is an important parameter. It makes it possible to transform milk into cheese.
Troch, T.   +5 more
doaj  

Green synthesis of silver nanoparticles using extract of Parkia speciosa Hassk pods assisted by microwave irradiation

open access: yesJournal of Advanced Research, 2016
This paper reports an investigation of the microwave-assisted synthesis of silver nanoparticles (Ag NPs) using extract of stinky bean (Parkia speciosa Hassk) pods (BP).
Is Fatimah
doaj   +1 more source

Microorganism adhesion using silicon dioxide: An experimental study

open access: yesHeliyon, 2020
In this study, spectrophotometry was used to measure changes in the absorbance properties of yeast, Gram-positive, and Gram-negative bacteria after their attachment to silicon dioxide microparticles (silica).
Roberts Lozins   +2 more
doaj   +1 more source

Tests of stellar model atmospheres by optical interferometry: VLTI/VINCI limb-darkening measurements of the M4 giant psi phe

open access: yes, 2003
We present K-band interferometric measurements of the limb-darkened intensity profile of the M4 giant star psi Phoenicis obtained with VLTI/VINCI. High-precision squared visibility amplitudes in the second lobe of the visibility function were obtained ...
Aufdenberg   +62 more
core   +2 more sources

An absolutely calibrated effective temperature scale from the InfraRed Flux Method [PDF]

open access: yes, 2010
Various effective temperature scales have been proposed over the years. Despite much work and the high internal precision usually achieved, systematic differences of order 100 K (or more) among various scales are still present.
Alonso   +109 more
core   +1 more source

SIMPLE AND RAPID METHOD FOR ISOLATING ANTHOCYANIN FROM WILD MULBERRY (MORUS NIGRA L.)

open access: yesJurnal Farmasi Sains dan Komunitas, 2019
Wild mulberry (Morus nigra L.) is a kind of berries that has a high content of anthocyanin pigment. Anthocyanin is a natural pigment that has good biological activity so that widely be used as both food and drug ingredients.
Rollando Rollando   +4 more
doaj   +1 more source

A Fluorescent and Colorimetric Chemosensor for Hg2+ Based on Rhodamine 6G With a Two-Step Reaction Mechanism

open access: yesFrontiers in Chemistry, 2020
A fluorescent and colorimetric chemosensor L based on rhodamine 6G was designed, synthesized, and characterized. Based on a two-step reaction, the chemosensor L effectively recognized Hg2+.
Cui-Bing Bai   +15 more
doaj   +1 more source

Detection of Faint BLR Components in the Starburst/Seyfert Galaxy NGC 6221 and Measure of the Central BH Mass [PDF]

open access: yes, 2016
In the last decade, using single epoch virial based techniques in the optical band, it has been possible to measure the central black hole mass on large AGN1 samples.
Bianchi, Stefano   +6 more
core   +3 more sources

STUDIES ON CHITOSAN - BENZALDEHYDE INTERACTION IN A HOMOGENEOUS SYSTEM AND ITS ADSORPTION BEHAVIOR OF METAL IONS IN AQUEOUS SOLUTION

open access: yesASEAN Journal on Science and Technology for Development, 2017
In this work, N-benzylidene chitosan was synthesized by chitosan –benzaldehyde interaction in a homogeneous system. The modified polymers were characterized by means of infrared (IR) spectra, X-Ray diffraction and thermal analysis.
Do Truong Thien   +2 more
doaj   +1 more source

An Atlas of Spectrophotometric Landolt Standard Stars

open access: yes, 2005
We present CCD observations of 102 Landolt standard stars obtained with the R-C spectrograph on the CTIO 1.5 m telescope. Using stellar atmosphere models we have extended the flux points to our six spectrophotometric secondary standards, in both the blue
A. M. Soderberg   +8 more
core   +3 more sources

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