نتایج جستجو برای: meldrums acid

تعداد نتایج: 747443  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1388

در سالهای اخیر مطالعه در مورد چارچوبهای فلز– آلی رشد چشمگیری در جهان داشته است بگونه ای که بخش قابل توجهی از مقالات علمی را به خود اختصاص داده است. در جهت توسعه این ترکیبات تعدادی ترکیب با استفاده از روش سولوترمال سنتز گردید که با روش ir، پراش پرتو ایکس مورد بررسی قرار داده شد و تعیین ساختار گردید که عبارتند از: [co(bdc)(phen)(h2o)] (catena1), [co6(bdc)6(phen)6(h2o)](h2bdc) (catena2), [co(bd...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
pages 11-17 e. ghasemi m.t hamed mosavian m.h haddad khodaparast

in this work, the effects of acetic and lactic acids addition to rice during cooking, on the texture and morphological properties, and too, the gelatinization temperature (gt) of the cooked domsiyah rice was investigated. all experiments were carried out in triplicate and data analyzed in randomized completely by spss15 software. the results showed that acid addition to rice during cooking caus...

Journal: :iranian journal of catalysis 2014
sobhan rezayati rahimeh hajinasiri zahra erfani saman rezayati saeid afshari-sharifabad

an efficient and simple procedure for the synthesis of 1,8-dioxo-octahydroxanthenes from the aromatic aldehydes and 5,5-dimethylcyclohexane-1,3-dione (dimedone) in the presence of boric acid [bo3h3 or b(oh)3] as an inexpensive and reusable catalyst is described. the salient features of this methodology are: the elimination of corrosive liquid acids, high yields, simple methodology, short reacti...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2012
mehdi rahimmalek shekoofe azad mehrab yadegari abdollah ghasemi pirbalouti

background & aim: sage (salvia officinalis l.) is a perennial medicinal herb which belongs to lamiales order and lamiaceae family. this plant has economical value for four years. nowadays the use of plant growth regulators (pgr) has an important role for increasing the secondary metabolites in plants. among pgrs jasmonic (ja) and salicylic acid (sa) have many applications in medicinal plant...

Journal: :journal of physical & theoretical chemistry 2011
m. falahati m. monajjemi

single walled nanotubes (swnt) are common interested nanovehicle to make biosensors more sensitive.carbon nanotubes (cnts) have many distinct properties make them to be exploited to develop the nextgeneration of such nano sensors .the keto-enol tautomerization is one of the most common investigatedsubjects of isomerism in this regards, sensors are devices that are able to detect and change the ...

Journal: :international journal of environmental research 2014
i.f.f. neto i.s.s. pinto m.t. barros c.d. maycock h.m.v.m. soares

the aim of this work was to study the ability of two biodegradable chelating agents, nitrilotriaceticacid (nta) and ethylenediiminopropanedioic acid (eddm) to complex metals, in the treatment of the pulp,prior to a totally chlorine free (tcf) bleaching process, and compare with the ethylenediaminetetraacetic acid(edta) performance. firstly, speciation efficiency index (sei) was calculated by co...

Journal: :نشریه آزمایشگاه پزشکی 0
hossein yeganeh montakhab department of clinical biochemistry, tehran university of medical science, tehran, iran mohammad dousti department of clinical biochemistry, tehran university of medical science, tehran, iran hossein baba ahmadi rezaie department of clinical biochemistry, tehran university of medical science, tehran, iran

background and objective: recent studies have shown that not only the quantity, but also the quality of dietary fatty acids can affect lipid parameters. elaidic acid is a major hydrogenated by-product of vegetable oil play a role in the development of cardiovascular disease, especially atherosclerosis, through changing lipid profile and increase in inflammation and inflammatory factors. on the ...

Journal: :journal of basic and clinical pathophysiology 2015
tourandokht baluchnejadmojarad nida jamali-raeufy mehrdad roghani farnaz nikbakht samira ramazi

background and objective: epilepsy is a long-lasting central nervous system disorder that is accompany with spontaneous seizures and insufficiency in learning and memory. now drug treatment is the most common therapy but some patients do not research to suitable control of their seizures with current drugs. hence, new treatment is needed to help those patients that are unaffected to existing dr...

Journal: :iranian journal of catalysis 2011
farid rohandeh dariush saberi khodabakhsh niknam

sulfuric acid ([3-(3-silicapropyl)sulfanyl]propyl]ester (saspspe) is employed as a recyclable catalyst for the silylation of hydroxyl groups. a good range of primary, secondary alcohols and phenolic hydroxyl groups were effectively converted into their corresponding trimethylsilyl ethers with hexamethyldisilazane in the presence of catalytic amounts of saspspe at room temperature with short rea...

Journal: :iranian red crescent medical journal 0
kazuki nagai department of internal medicine, nagai clinic, yokohama, japan; department of internal medicine, nagai clinic, p. o. box: 2350045, yokohama, japan. tel/fax: +81-458325830 katsuhiko matsumaru department of internal medicine, nagai clinic, yokohama, japan ikuko hirai department of dermatology, saiseikai yokohama-shi nanbu hospital, yokohama, japan yujiro takae department of dermatology, saiseikai yokohama-shi nanbu hospital, yokohama, japan kazuo andoh department of radiology, saiseikai yokohama-shi nanbu hospital, yokohama, japan

conclusions this report is the first to document other treatment possibilities for pressure ulcer and/or stasis dermatitis in cases where the use of topical applied ointments and medications is difficult. this new therapy may therefore help physicians to treat pressure ulcers and stasis dermatitis. case presentation case 1: a 21-year-old japanese female with lower-body paralysis. pressure ulcer...

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