نتایج جستجو برای: freeze dryer

تعداد نتایج: 19171  

2010
A. Sander

The influence of granulometric properties of the material and of the operational conditions on the drying kinetics of nonhygroscopic material was studied. Four fraction sizes of dolomite were chosen and dried in four dryers by different heating methods. Dolomite was dried in a microwave dryer under different microwave heating powers. During convective drying the effects of temperature and super...

Journal: :IOP conference series 2023

Abstract Marine fish can potentially accumulate heavy metal pollutants, such as mercury, from anthropogenic activities that harm people who consume it. fishes like Bandeng (Chanos chanos), Banjar (Rastrelliger kanagurta), Bawal Hitam (Parastromateus niger), Selar Kuning (Atule mate), Tenggiri (Scomberomorini) , and Tuna (Thunnini) are consumed a lot by in Bandung City. All these were analyzed u...

Journal: :International journal of occupational safety and ergonomics : JOSE 2010
Kirsi Jussila Anita Valkama Jouko Remes Hannu Anttonen Ari Peitso

The physiological properties of clothing designed to provide protection against cold, windy and damp conditions affect comfort. The weight, thickness, stiffness of the fabrics and friction between the clothing layers affect physical performance. The comfort and perception of performance associated with 3 military winter combat clothing systems from different decades (the new M05 system, the pre...

2014
Matthew S. Dryer

Davis, Gillon and Matthewson (hereafter Davis et al) argue that “hypothesisdriven fieldwork has led to a more complete and accurate picture of linguistic diversity than has been produced by methods which rely largely on extracting information from existing descriptive grammars”. They discuss five cases to support their conclusion. In this response, I will discuss only one of these cases, since ...

مشرف بروجنی, لاله , کرامت, جواد ,

Recent restrictions on the use of artificial food colours have prompted extensive research on natural pigments as suitable substitutes. The red beet Beta vulgaris L. has been found as a suitable source of natural red pigment since beet powder and concentrates can conveniently be used in food products. In this research, hot and cold extractions of randomly selected red beets were used after prep...

Journal: :ماشین های کشاورزی 0
محمدحسین آق خانی محمدحسین عباسپور فرد محمدرضا بیاتی حمید مرتضی پور سید ایمان ساعدی علی مقیمی

drying is a high energy consuming process. solar drying is one of the most popular methods for dehydration of agricultural products. in the present study, the performance of a forced convection solar dryer equipped with recycling air system and desiccant chamber was investigated. the solar dryer is comprised of solar collector, drying chamber, silica jell desiccant chamber, air ducts, fan and m...

Journal: :jundishapur journal of natural pharmaceutical products 0
afrooz saadatzadeh department of pharmaceutics, faculty of pharmacy, ahvaz jundishapur university of medical sciences, ahvaz, ir iran mohammad reza fazeli department of food and drug control, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran; department of drug and food control, pharmaceutical quality assurance research centre, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran. tel: +98-2188011058, fax: +98-2188026734 hossein jamalifar department of food and drug control, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran rassoul dinarvand nanotechnology research centre, faculty of pharmacy, tehran university of medical sciences, tehran, ir iran

conclusions employing the lpe as a new approach, gives novel concept of probiotic-products in food and medical marketing. results results showed that, lpe had more antipathogenic effects, antioxidant activity, and stability during storage-time when compared to fresh probiotic-extract. objectives in this study extract of cultured probiotics without cells was evaluated for its antimicrobial effec...

Journal: :iranian journal of veterinary research 2015
r. noei razliqi m. zhandi m. shakeri a. towhidi m. sharafi

the aim of this study was to determine the effect of low levels of glutathione on post-thawed buck sperm quality. in this experiment, different concentrations of glutathione [0 (lg-0), 0.5 (lg-0.5), 1 (lg-1), 1.5 (lg-1.5), and 2 (lg-2) mm] were added in a soybean lecithin-based extender. a total of 16 ejaculates from four bucks were collected and pooled. each pooled sample was divided into five...

Journal: :تحقیقات مهندسی کشاورزی 0
اکبر جوکار عضو هیات علمی مرکز تحقیقات کشاورزی و منابع طبیعی استان فارس علی زمردیان دانشیار بخش ماشین آلات دانشکده کشاورزی دانشگاه شیراز ندا مفتون آزاد استادیار پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی استان فارس لادن جوکار مربی پژوهشی مرکز تحقیقات کشاورزی و منابع طبیعی استان فارس

this study determined optimum conditions for drying pomegranate arils in a solar dryer. a cabinet solar dryer was used in active and mixed modes. the response surface method was employed with nine treatments (runs) and a control run (3 m/s air velocity and 2 cm in thickness) and five replications. the bryte cultivar was tested and samples were dried to approximately 10% moisture. drying time, v...

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