Results 21 to 30 of about 337,656 (329)

Crónica: Un foro sobre el tratado de libre comercio con Estados Unidos: Aspectos jurídicos y económicos

open access: yesPrecedente, 2004
Durantes los días 18 y 19 de agosto de 2004 se realizó en la Universidad ICESI un foro sobre el Tratado de Libre Comercio con Estados Unidos y sus impactos sobre la normatividad jurídica colombiana.
Memoria Foro TLC con EEUU
doaj   +1 more source

Evaluating the food colors in traditional confectionaries and beverages in Shiraz city [PDF]

open access: yesTrends in Pharmaceutical Sciences, 2021
Food colorants are addictive substances that are creating a good and attractive appearance to foods The synthetic food dyes have been strictly controlled by the legislation in the world. Artificial food colorants may cause harmful effect on human health.
Zahra Gholami   +2 more
doaj   +1 more source

Identification and quantification of cannabinol as a biomarker for local hemp retting in an ancient sedimentary record by HPTLC-ESI-MS [PDF]

open access: yes, 2020
Cannabis products have been used in various fields of everyday life for many centuries, and applications in folk medicine and textile production have been well-known for many centuries.
Csuk, René   +6 more
core   +2 more sources

Implementation of virtual manufacturing by a technology licensing company [PDF]

open access: yes, 2003
NoThe paper considers the implementation of a virtual manufacturing system as an alternative to outward technology licensing in a high technology industrial sector.
Sugden, David M., Webster, Margaret
core   +1 more source

Improvement of Methods for Standardisation of Medicines Based on Aloe arborescens

open access: yesРегуляторные исследования и экспертиза лекарственных средств, 2022
Much interest is taken in identification of Aloe arborescens Mill. medicines by a major class of bioactive compounds (anthracene derivatives), as well as in quantitative determination of the compounds belonging to the class, with the same unified method ...
A. V. Beketova   +2 more
doaj   +1 more source

The Paradoxes of Antiquity in Modern Italy

open access: yesIncontri: Rivista Europea di Studi Italiani, 2018
Review of: Philippe Foro (ed.), L’Italie et l’Antiquité du Siècle des lumières à la chute du fascisme, Toulouse, Presses universitaires du Midi, 2017, 303 p., ISBN: 9782810705030, € 23,00.Helen Roche & Kyriakos N.
Arthur Weststeijn
doaj   +1 more source

Characterization of quaternary ammonium compounds in Flourensia xerophytic communities and response to UV-B radiation [PDF]

open access: yes, 2014
As part of ongoing studies aimed at characterizing molecular components involved in the ecophysiological adaptations of native xerophytic plants from central Argentina, we demonstrated the presence of compatible solutes in Flourensia campestris (FC) and ...
Cantero, Juan Jose   +6 more
core   +1 more source

PHYSICAL AND CHEMICAL METHODS FOR FLAVONOIDS CONTENT DETERMINATION IN SOPHORA FLAVESCENS ROOTS

open access: yesФармация и фармакология (Пятигорск), 2015
The article presents a study on the identification methodology elaboration of flavonoids in Sophora flavescens roots using chemical reaction and TLC method. We have also developed methods of quantitative determination of flavonoids sum into raw materials
A. B. Samoryadova
doaj   +1 more source

The Effectiveness of the Student Activity Sheet (SAS) on Teaching-Learning and Creativity (TLC) Model to Increase Creativity Competence

open access: yesStudies in Learning and Teaching, 2020
The purpose of this study explains the effectiveness of the student activity sheet model to enhance scientific creativity and student learning outcomes and student responses to the learning process.
Dwikoranto   +7 more
doaj   +1 more source

Peripherally-metallated porphyrins: meso-n1-porphyrinyl-platinum(II) complexes of 5,15-diaryl- and 5,10,15-triarylporphyrins [PDF]

open access: yes, 2002
Attempted metathesis reactions of peripherally-metallated meso-η1-porphyrinylplatinum(II) complexes such as trans-[PtBr(NiDPP)(PPh3)2] (H2DPP = 5,15-diphenylporphyrin) with organolithium reagents fail due to competitive addition at the porphyrin ring ...
Arnold, Dennis   +2 more
core   +2 more sources

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