Results 81 to 90 of about 248,294 (326)

Synthesis of Rice Husk-Based Zeolit using Hydrothermal Method and Its Detergent Builder Properties [PDF]

open access: yes, 2015
Detergents are cleaning agents that consist of a complex formulation such as surfactants, builders, bleaching, fillers and other additives.
Alfiansyah, A.   +2 more
core   +1 more source

Idempotents and structures of rings

open access: yes, 2016
We study a ring containing a complete set of orthogonal idempotents as a generalized matrix ring via its Peirce decomposition. We focus on the case where some of the underlying bimodule homomorphisms are zero.
Anh, P. N.   +2 more
core   +1 more source

Antioxidant and Cytotoxic Properties of Piper spp. Volatile Oils That Inhibit Pathogenic Microorganisms

open access: yesFlavour and Fragrance Journal, EarlyView.
The samples were fungicidal against Candida, with MICs ranging from 62.5 to 250 μg/mL, and fungistatic against Penicillium adametzii, Aspergillus flavus and A. niger, with MICs of 1000 μg/mL. The volatile oils of Piper aduncum and Piper marginatum reduced the viability of MDA‐MB231 cells.
Midiã R. Oliveira   +11 more
wiley   +1 more source

LITERATURA E POLÍTICA EM ANGOLA, HOJE: UMA LEITURA DA PRODUÇÃO FICCIONAL CONTEMPORÂNEA

open access: yesMatraga, 2012
Este ensaio analisa a relação estreita entre literatura e política na actual produção literária angolana. Reportando-se a uma “tradição” que remonta ao século XIX, em que pela escrita (jornalística e literária) se enfrentava de forma politicamente ...
Inocência Mata
doaj  

CEC-Organization

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
The 2019 Cryogenic Engineering Conference Board of Directors list is available in the pdf.
openaire   +1 more source

Seasonal drivers of plant–soil–microbial community structure and functions in Western Himalayan grasslands, Pakistan

open access: yesGrassland Research, EarlyView.
Plant species richness was greater in summer in both alpine and subalpine grassland ecosystems. Soil moisture demonstrates significant positive correlations with soil organic carbon and total nitrogen across seasonal periods. Microbial α‐diversity peaks during summer but maintains functional stability across seasons.
Huma Ali   +4 more
wiley   +1 more source

A pesca e os pescadores artesanais de Ilhabela (SP), Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Este trabalho foi desenvolvido em Ilhabela, litoral norte do Estado de São Paulo, Brasil. O objetivo foi caracterizar a pesca artesanal realizada nas comunidades de pescadores da Praia do Jabaquara, Praia da Serraria, Praia da Fome e Praia do Bonete, em
Milena RAMIRES   +3 more
doaj  

Detection of elliptical shapes via cross-entropy clustering

open access: yes, 2012
The problem of finding elliptical shapes in an image will be considered. We discuss the solution which uses cross-entropy clustering. The proposed method allows the search for ellipses with predefined sizes and position in the space.
A. Fitzgibbon   +10 more
core   +1 more source

Adverse outcomes among pregnant women with COVID‐19 according to hospitalization status: A prospective individual participant data meta‐analysis in Europe and North America

open access: yesInternational Journal of Gynecology &Obstetrics, EarlyView.
Abstract Background Understanding the varied impact of COVID‐19 severity on pregnancy outcomes is crucial for informed clinical management and targeted interventions. Objective To evaluate the impact of COVID‐19 on pregnancy outcomes, distinguishing between pregnant women managed in primary care and those requiring hospitalization.
Odette de Bruin   +73 more
wiley   +1 more source

An economic assessment of the accession of the Central and Eastern European countries to the EU single market [PDF]

open access: yes, 2004
In 2004 the European Union is due to incorporate 10 new members, mostly from theCentral and Eastern European Countries (CECs). Trade between the EU and CECs currently falls well short of that between EU countries, and if we assume this pattern reflects ...
Edwards, T. Huw
core  

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