نتایج جستجو برای: food structure

تعداد نتایج: 1816144  

Journal: :علوم و فنون بسته بندی 0
مریم حبیبی مهدی فرهودی

this paper reviews the possible effects determined on polymeric food packaging films by the simultaneous application of pressure (p) and temperature (t) in high pressure pasteurization and sterilization treatments of packaged foodstuffs. both theoretical modeling and experimental issues are discussed. in fact reversible and irreversible effects that could occur in single film as well as in mult...

Journal: :journal of agricultural science and technology 2010
m. majzoobi m. radi a. farahnaky j. jamalian t. tongtang

wheat starch is the most common type of starch in iran as well as many other parts of the world with enormous applications in food and non-food products. to improve its physicochemical properties or create new functionalities, starch can be modified by changing its molecular structure. amongst different methods for starch modification, physical methods have received more attention recently. pre...

2015
Stefano Allesina Jacopo Grilli György Barabás Si Tang Johnatan Aljadeff Amos Maritan

The stability of ecological systems has been a long-standing focus of ecology. Recently, tools from random matrix theory have identified the main drivers of stability in ecological communities whose network structure is random. However, empirical food webs differ greatly from random graphs. For example, their degree distribution is broader, they contain few trophic cycles, and they are almost i...

Journal: :Ecology letters 2014
Arnaud Sentis Jean-Louis Hemptinne Jacques Brodeur

Revealing the links between species functional traits, interaction strength and food-web structure is of paramount importance for understanding and predicting the relationships between food-web diversity and stability in a rapidly changing world. However, little is known about the interactive effects of environmental perturbations on individual species, trophic interactions and ecosystem functi...

2014
Youn Joo Baek Hee Young Paik Jae Eun Shim

BACKGROUNDS/OBJECTOVES Family has an impact on dietary intake of children as a proximal food environment and family structures are changing and becoming more diverse. This study was performed to identify the association between family structure and food group intake of children aged 3-18 years in Korea. SUBJECTS/METHODS A total of 3,217 children with complete data on variables for household i...

Journal: :زیست شناسی جانوری تجربی 0
محمد تقدیسی کارشناس ارشد محیط زیست، دانشگاه آزاد اسلامی، واحد علوم و تحقیقات . محمد کابلی دانشیار یار گروه محیط زیست و شیلات، دانشکده منابع طبیعی دانشگاه تهران، آزیتا فراشی استادیار گروه محیط زیست دانشکده منابع طبیعی و محیط زیست دانشگاه فردوسی مشهد owsi university of mashhad, iran

carnivores play great ecological roles in ecosystems because of placing on top of the food pyramid. food habits of large carnivores are associated with important ecological features such as spatial pattern, movement, habitat selection, social structure, geographical distribution and reproductive success. accordingly, in this study was used scat analysis to determine the diet of persian leopards...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2013
chinasaokwu onyemauwa nnamdi ehirim jones lemchi nkiru ben-chendo okwudili nwosu

the study assessed the quantity and value of food crop outputs of the gender categories in the anambra state. at this research estimated the quantity and energy content of food stuffs consumed as well as required by each gender headed households, estimated the extent and magnitude of food security and insecurity in the area among the gender categories and examined the determinants of food secur...

Journal: :international journal of health policy and management 2013
anne barnhill

in “buying health: the costs of commercialization and an alternative philosophy”, larry r. churchill and shelley c. churchill discuss the commercialization of health and, in particular, the commercialization of nutrition. in this commentary on their article, i draw a connection between churchill and churchill’s account of the commercialization of nutrition and michael pollan’s critique of “nutr...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1331

چکیده ندارد.

2014
Boris C. Rodríguez-Martín Osana Molerio-Pérez

Food cravings refer to an intense desire to eat specific foods. The Food Cravings Questionnaire-Trait (FCQ-T) is the most commonly used instrument to assess food cravings as a multidimensional construct. Its 39 items have an underlying nine-factor structure for both the original English and Spanish version; but subsequent studies yielded fewer factors. As a result, a 15-item version of the FCQ-...

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