نتایج جستجو برای: titratable acid ta
تعداد نتایج: 765759 فیلتر نتایج به سال:
Nowadays in the world, soilless culture as a kind of technique is known to give vegetable crops higher yield and quality. This experiment was conducted at research greenhouse of Agriculture and Natural Research Center of Golestan province in spring 2005. The purpose of this research was to investigate the effects of irrigation frequency and substrates on yield and fruit quality of greenhouse to...
In this study the effects of different packaging materials on Tulum cheese made with cloth, stomach, animal skin, pot and plastic materials were investigated. Dry matter, ash, titratable acidity, salt, salt in dry matter, fat, total protein, water soluble nitrogen (WSN), trichloroacetic acid soluble nitrogen (TCA-SN), phosphotungstic acid soluble nitrogen (PTA-SN), electrophoretic casein fracti...
The Pereskia are morphologically primitive, leafed members of the Cactaceae. Gas exchange characteristics using a dual isotope porometer to monitor (14)CO(2) and tritiated water uptake, diurnal malic acid fluctuations, phosphoenolpyruvate carboxylase, and malate dehydrogenase activities were examined in two species of the genus Pereskia, Pereskia grandifolia and Pereskia aculeata. Investigation...
Naturally occurring plant phenols with antimutagenic and anticarcinogenic activities were tested for their abilities to inhibit the ornithine decarboxylase (ODC) response linked to skin tumor promotion by 12-O-tetradecanoylphorbol-13-acetate (TPA). Topical applications of tannic acid (TA) inhibit remarkably and in a dose-dependent manner TPA-induced ODC activity in mouse epidermis in vivo. This...
abstract: mastitis is an inflammatory reaction of the mammary tissue in response to the introduction and multiplication of pathogens and is characterized by increasing somatic cell count (scc) in milk. the main objective of present study is to assess the probable associations between somatic cell (sc) levels and calcium and phosphorus and ratio of ca/p in raw milk. milk samples were collected f...
سابقه و هدف: اروژن به عنوان از دست رفتن غیرقابل برگشت نسج سخت دندانی در اثر یک پروسه شیمیایی، بدون درگیر بودن باکتری ها تعریف گردیده است. اروژن دندانی عامل مهمی در تخریب دندان نزد همه گروه های سنی به خصوص کودکام می باشد. تصور می شود اسیدهای با منشا داخلی (شیره معده) و خارجی (مواد غذایی ترش و نوشابه های گازدار) عوامل اصلی ایجاد اروژن هستند. شواهد درباره بروز اروژن توسط نوشابه های گازدار به طور چ...
Elastin-associated degeneration and calcification are potential causes of long-term failure of glutaraldehyde (Glut) fixed tissue bioprostheses used in cardiovascular surgery. This vulnerability may be attributed to the inability of Glut to cross-link and adequately protect vascular elastin from enzymatic attack. Tannic acid (TA), a poly galloyl glucose (Glc), is compatible with Glut fixation, ...
Introduction: Biofilm forming Staphylococcus epidermidis is a main causative agent of infections related to medical devices. Purification and evaluation of Gly-TA polysaccharide from a biofilm-forming S. epidermidis as a putative vaccine candidate were the main goals of the current study. Methods: Taking advantage of size exclusion chromatography procedure, glycerol teichoic acid (Gly-TA) was p...
Introduction: Hysterectomy is one of the frequently performed major gynecological surgicalprocedures for various uterine pathologies. The objective this study to assess effect ofintravenous tranexamic acid in reducing intraoperative and postoperative blood loss womenundergoing abdominal hysterectomy. Materials Methods: was a randomizeddouble-blind study, involving total 120 women undergoing hys...
This report describes the historical development in the clinical application of chemical variables for the interpretation of acid-base disturbances. The pH concept was already introduced in 1909. Following World War II, disagreements concerning the definition of acids and bases occurred, and since then two strategies have been competing. Danish scientists in 1923 defined an acid as a substance ...
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