نتایج جستجو برای: preservation of originalities

تعداد نتایج: 21167851  

Many food products are perishable by nature and require protection from spoilage during their preparation, storage and distribution to give them desired shelf-life. Because food products are now often sold in areas of the world far distant from their production sites, the need for extended safe shelf-life for these products has also expanded. Currently, there is a strong debate about the safety...

امیرنژاد, حمید, سام دلیری, احمد, مرتضوی, سید ابوالقاسم,

In this study, residents' willingness-to-pay (WTP) for preservation of Valasht lake of Chalous city is estimated by using one-and-one-half-bound dichotomous choice contingent valuation method. WTP was measured by using logit model and Maximum Likelihood (ML) parameters estimation method. The results show that 67 percent of the housholds willingness to pay for preservation of Valasht lake. The a...

Journal: :research in cardiovascular medicine 0
alireza alizadeh-ghavidel heart valve disease research center, rajaie cardiovascular medical and research center; tehran university of medical sciences, tehran, ir iran yalda mirmesdagh heart valve disease research center, rajaie cardiovascular medical and research center; tehran university of medical sciences, tehran, ir iran; rajaie cardiovascular medical and research center, rajaie cardiovascular medical and research center, vali-asr ave, niayesh blvd, tehran, ir iran. tel: +98-2123923061, fax: +98-2122663209 mehrzad sharifi heart valve disease research center, rajaie cardiovascular medical and research center; tehran university of medical sciences, tehran, ir iran anita sadeghpour echocardiograghy research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir iran reza nakhaeizadeh heart valve disease research center, rajaie cardiovascular medical and research center; tehran university of medical sciences, tehran, ir iran gholamreza omrani heart valve disease research center, rajaie cardiovascular medical and research center; tehran university of medical sciences, tehran, ir iran

conclusions preservation of mitral annulus and papillary muscle continuity may enhance post- mvr cardiac performance with low mortality and morbidity rates. the risk of pvd was not significantly higher than conventional mvr in our series. results the improvement of functional status was seen in almost all survivors but was more obvious in the group i. in early follow-up, 56.4% of group i cases ...

Journal: :iranian economic review 0
vladimir motorin national research university “higher school of economics”, moscow, russian federation

the paper presents unified analytical solution for combining high-frequency and low-frequency economic time-series by additive and proportional denton methods with parametrical dependence on the initial values of variable and indicator in evident form. this solution spans denton’s original and cholette’s advanced benchmarking initial conditions as the subcases. computational complexity of the o...

Journal: :archives of razi institute 0

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Journal: :journal of medicinal plants and by-products 0

many food products are perishable by nature and require protection from spoilage during their preparation, storage and distribution to give them desired shelf-life. because food products are now often sold in areas of the world far distant from their production sites, the need for extended safe shelf-life for these products has also expanded. currently, there is a strong debate about the safety...

Natural food preservation method refers to application of naturally produced antimicrobial compounds that are obtained from plants, animals and microbes to prevent food spoilages microorganism, proliferation and growth of food borne pathogens in food and foods products. Now it is the time of growing interest of many researchers with the application of these natural antimicrobial compounds as sa...

Journal: :تحقیقات کتابداری و اطلاع رسانی دانشگاهی 0
هاجر ستوده دکتری علم اطلاعات و دانش شناسی، عضو هیأت علمی دانشگاه شیراز کیانوش رشیدی کارشناس ارشد علم اطلاعات و دانش شناسی، پایگاه استنادی علوم جهان اسلام

objective: the present study aims to verify web preservation projects and programs in order to explore their preferred solutions in tackling the technical challenges.   method: a documentary method was used to identify and analyze web-preservation-related literature, including papers, handbooks, web sites and documents. the programs’ persons in charge were also questioned. besides, top web pres...

Al-Inany H

Infertility is a very disastrous side effect in young females, especially in traditional male-dominated societies. The aim of this talk is to discuss the possible ways for fertility preservation in both man and woman. Another aspect is to how to predict women at threat of premature ovarian failure. It will also illustrate the association of cytochrome P450 (CYP2C19) polymorphism with ovarian to...

Increasing rate of extinction of valuable plant species such as Thymus daenensis Celak due to various biological and non-biological factors requires an overview of conservation and preservation methods. In this regard, cryopreservation techniques are one of the most important methods for preservation of seeds in non-habitat conditions. In the present study, the effects of different plant vitrif...

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