نتایج جستجو برای: 2 and storage time 0

تعداد نتایج: 17512578  

E Özpolat, B Patır , H. Ş Guran , M. R Gul ,

The effect of vacuum packing on the shelf-life of sausages produced from Capoeta umbla were investigated during storage periods. For this purpose, microbial, chemical and sensory changes were analyzed throughout the storage time. The microbial flora of the sausages comprised mainly mesophilic bacteria, psychrotrophic bacteria, lactic acid bacteria, yeast and molds. Escherichia coli, Staphylcocc...

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

abstract in this study, we synthesized a novel template polymer by using methacrylic acid (mma) as functional monomer, ethylene glycol dimethacrylate(egdma) as cross linker, 2,2-azobisisobutyronitrile (aibn) as initiator and olanzapine as targeted molecule in the presence of chloroform and acetonitrile as solvent. the products have been characterized and confirmed by (chn)elemental analysis,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Yogurt is the most important fermented dairy product. However, its per capita consumption in Iran is low. Production of flavored yogurt to create a variety of products can cause customer satisfaction and increase in per capita consumption. Flavored yogurt at three levels: 0.1, 0.3 and 0.5 were prepared by adding Zoulang aqueous extract. The systems were prepared by following a factorial design,...

Journal: :یافته های تحقیقاتی در گیاهان زراعی و باغی 0
سیما دامیار مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج رعنا دستجردی مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج

in order to study fruit  quality changes in apple cultivar gala, related to ripening stage and storage time, an experiment was conducted in a split plot arrangement in randomized complete block design with four replicationsin the area of damavand– jaban for three years. five levels of sampling times in storage were assigned to main plots, and three levels of harvesting times were randomized in ...

B. Tajeddin F. Azadshahraki Z. Rafiee Darsangi

In the present study, packaging of a greenhouse-grown tomato on the culture medium containing 0, 25, 50, 75 and 100% compost tea under modified atmosphere: MA (88%N2 + 8%CO2 + 4%O2) in polyethylene and nanosilicon-polyethylene bags was studied at 5°C for 30 days. Several quality parameters such as moisture content, pH, total soluble solids (TSS), titratable acidity (TA), Vitamin C content, text...

ژورنال: علوم آب و خاک 2009
مصباحی, غلامرضا, مقصودی, لیلا, موسوی نسب, مرضیه,

Pectin is a hydrocolloid with different characteristics and applications. In this study, the cryoprotective effect of pectin on frozen surimi was investigated. In this research, Kapoor surimi was made for the first time in Iran. Surimi was mixed with 1% pectin solution with the ratio of 1 to 3 (w/v). Then, pectin-containing surimi samples and control samples were packaged, frozen and stored at ...

H Saboori, S Dehghan Shahram Jadid,

Renewable energy sources (RES), especially wind power plants, have high priority of promotion in the energy policies worldwide. An increasing share of RES and distributed generation (DG), should, as has been assumed, provide improvement in reliability of electricity delivery to the customers. Paper presented here concentrates on electricity storage systems technologies and applications pinpoint...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...

Journal: :مجله دانشگاه علوم پزشکی کرمانشاه 0
farideh golbabaei professor in occupational health, tehran university of medical sciences raheleh hashemi msc in occupational health, tehran university of medical sciences aram tirgar assistant professor in occupational health, babol university of medical sciences sayed mostafa hoseini associated professor in biostatistics, tehran university of medical sciences sayed jamaldin shahtaheri professor in occupational health, tehran university of medical sciences

introduction: in electroplating processes, hexavalent chromium mist is emitted in air. hexavalent chromium mist can cause lung cancer and nasal septum in workers. as permissible exposure limit (pel) of hexavalent chromium is low (0.5 µg/m 3 ) and it is used in various industries, evaluation of workers exposure to hexavalent chromium is very important. however, hexavalent chromium is relatively ...

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