نتایج جستجو برای: caros acid silicagel

تعداد نتایج: 747556  

Journal: :international journal of advanced biological and biomedical research 2014
hossin abbaspour halimeh rezaei

objective: in order to study the effect of drought stress, salicylic acid (sa) and  jasmonic acid (ja) foliar application on hill reaction and photosynthetic pigments. methods:experiment was done as factorial on the basis of completely randomized design in 4 replications. irrigation in 3 levels (fc,   fc and  fc), salicylic acid in 2 levels (0 and 0.5 mm) and jasmonic acid in 2 levels (0 and 50...

Journal: :iranian journal of pharmaceutical research 0
fai-chu wong faculty of science, universiti tunku abdul rahman, jalan universiti, bandar barat, 31900 kampar, perak, malaysia ann-li yong faculty of science, universiti tunku abdul rahman, jalan universiti, bandar barat, 31900 kampar, perak, malaysia evon peir-shan ting faculty of science, universiti tunku abdul rahman, jalan universiti, bandar barat, 31900 kampar, perak, malaysia sim-chyi khoo faculty of science, universiti tunku abdul rahman, jalan universiti, bandar barat, 31900 kampar, perak, malaysia hean-chooi ong institute of biological sciences, faculty of science, university of malaya, 50603 kuala lumpur, malaysia tsun-thai chai faculty of science, universiti tunku abdul rahman, jalan universiti, bandar barat, 31900 kampar, perak, malaysia

the purpose of this investigation was to determine the antioxidant potentials and anti-glucosidase activities of six tropical medicinal plants. the levels of phenolic constituents in these medicinal plants were also quantified and compared. antioxidation potentials were determined colorimetrically for scavenging activities against dpph and no radicals. metal chelating assay was based on the mea...

Journal: :iranian journal of pharmaceutical research 0
seyhan oran li̇kad saliha sahin no pinar sahinturk no sule ozturk no cevdet demir no

in this study, antioxidant and antimicrobial potentials of usnea intermedia, u. filipendula, and u. fulvoreagens and their stictic and usnic acid contents were investigated. antioxidant activity and total phenolic contents were evaluated in acetone, ethanol, and methanol extracts of these three species. antioxidant activity was measured by abts [2,2'-azino-bis(3-ethylbenzothiazoline-6-sulp...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده علوم پایه 1390

abstract the cr(iii) and zn(ii) complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl)benzoic acid as ligand have been prepared by reacting cr(no3) and zn(no3)2 and ligand in cloroform. the cr and zn complexes with 2-((9,10-dihydro-1-hydroxy-9,10-dioxaanthracen-4-yloxy)carbonyl) were also prepared in chloroform and aceton solutions. the uv-visible and ft-ir spectra of...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد یزد - دانشکده شیمی 1392

پیریمیدینون ها ترکیبات دارویی بسیار مهمی هستند که در سالهای اخیر سنتز این ترکیبات مورد توجه شیمیدان ها قرار گرفته است. یکی از این روش ها سنتز بیجنلی است که شامل تراکم ?- کتو استر با آلدهید و اوره می باشد. در این کار تحقیقاتی سعی شده توانایی کاتالیزورhumic acid این کاتالیزور سبز در تهیه این هتروسیکل ها مورد ارزیابی قرار گیرد. عوامل موثر بر روی بازده محصول همچنین مقدار کاتالیزور و دمای واکنش بهین...

Journal: :ABRALIN 2022

As teorias linguísticas não possuem reflexões lineares e estanques. Por isso, notamos pesquisas da linguística, sob determinados contextos sócio-históricos, que lançam olhares críticos para o foi investigado acerca das práticas de linguagem direcionam a lupa novos horizontes. Nesse viés, especificidade deste estudo é refletir sobre as entidades texto, gênero discurso como um continuum, partir e...

Journal: :Revista Dialectus 2023

Este artigo tem como objetivo abordar uma intervenção realizada nas turmas do primeiro ano ensino médio de escola localizada na cidade Ipu-Ceará no 2018, disciplina filosofia, com o tema ''Mito da caverna Platão''. Assim, foram feitas leituras em sala aula alguns trechos livro A República Platão que aborda tema, juntamente didático Filosofando: Introdução à filosofia das autoras Maria Lúcia Arr...

Journal: :Revista da Faculdade de Direito da Universidade Federal de Uberlândia 2023

Se os supermercados apresentam-se como uma invenção da modernidade e insurge-se, primeiramente, nos países mais poderosos economicamente, para depois, expandir-se a nível global (o primeiro supermercado brasileiro surgiu no Rio de Janeiro), assim premissa dos tempos modernos, onde há dominantes dominados, em sua evolução, houve também estratificação atender públicos distintos, tendo por critéri...

Journal: :Travesía emprendedora 2022

Seguramente, más de uno se sorprendió en su momento por el precio los bombillos ahorradores. Pagar menos la cuenta energía sonaba muy bien, hasta ver gran diferencia con respecto a tradicionales. Eso fue justamente lo que detectó un joven emprendedor hace 20 años: ¿Por qué esos eran tan caros? ¿Qué sentido tenía comprarlos, si ahorro prácticamente estaba pagando adelantado tirilla compra cada b...

Journal: :Revista espanola de cardiologia 2014
Juan Sanchis Pablo Avanzas Antoni Bayes-Genis Leopoldo Pérez de Isla Magda Heras

Dentro de su programa de formación continuada, REVISTA ESPAÑOLA DE CARDIOLOGÍA inicia una nueva serie de «Puesta al dı́a». A lo largo de los últimos años, las series de «Puesta al dı́a» han tratado diferentes temas de la cardiologı́a. Ahora, hemos considerado que ha llegado el momento de actualizar el conocimiento en sı́ndromes coronarios agudos (SCA). En este campo se han producido cambios recient...

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