نتایج جستجو برای: physico mechanical properties

تعداد نتایج: 1033947  

Journal: :iranian journal of pharmaceutical research 0
o.a odeku o.a itiola

a study has been made of the compaction properties of two experimental starches, namely yam starch obtained from dioscorea rotundata and rice starch obtained from oryza sativa and the mechanical properties of their tablets, in comparison with those of official corn starch. the influences of the physical and geometric properties of the starch particles on the compression properties of the starch...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی شیوا مهدیه احمدی راحله یزدانی

in this research work with the aid of tagouchi experimental design and rawing of interaction curves with minitab software, the best rotor speed and dump temperature of mixing for physico-mechanical and rheological properties of the rubber compound with three mixing steps was obtained. moreover by plotting the mean curves in excel worksheet, the dependency of properties on rotor speed, dump temp...

Journal: :تحقیقات آب و خاک ایران 0
فاطمه بابائی دانشجوی دکتری علوم خاک، گروه علوم خاک، دانشکدة کشاورزی، دانشگاه زنجان علی رضا واعظی دانشیار گروه علوم خاک، دانشکدة کشاورزی، دانشگاه زنجان مهدی طاهری عضو هیئت علمی مرکز پژوهش های کشاورزی زنجان، زنجان احسان زرین آّبادی دانشجوی سابق کارشناسی ارشد علوم خاک دانشگاه زنجان سیده فاطمه اسلامی دانشجوی سابق کارشناسی ارشد علوم خاک دانشگاه زنجان

rainfed wheat is the main source of staple food for people in the developing countries. various factors contribute to and affect the production of this crop. the aim followed in the present study was to develop a model to estimate rainfed wheat grain yield as based on physico-chemical properties of the soil. therefore, wheat grain yield and soil physico-chemical properties were separately deter...

Journal: :تحقیقات مهندسی کشاورزی 0
معصومه علی بابا دانشجوی کارشناسی ارشد احمد غضنفری مقدم دانشیار گروه مکانیک ماشین های کشاورزی دانشگاه شهید باهنر کرمان علی رجبی پور دانشیار گروه مهندسی و فناوری دانشکده پردیس کشاورزی و منابع طبیعی دانشگاه تهران

after harvesting, pistachio nuts are generally kept in storage before being exported. during handling, thenuts are exposed to external forces that cause mechanical damage to them. the increase of the mechanicaldamage is a function of storage conditions, especially temperature. this research investigated the effect ofstorage temperature (25, 5, -5, -15°c), on the mechanical properties of pistach...

2017
Kamel Rahali Ghazi Ben Messaoud Cyril J F Kahn Laura Sanchez-Gonzalez Mouna Kaci Franck Cleymand Solenne Fleutot Michel Linder Stéphane Desobry Elmira Arab-Tehrany

Given the importance of the extracellular medium during tissue formation, it was wise to develop an artificial structure that mimics the extracellular matrix while having improved physico-chemical properties. That is why the choice was focused on gelatin methacryloyl (GelMA), an inexpensive biocompatible hydrogel. Physicochemical and mechanical properties were improved by the incorporation of n...

2016
Vijay Kumar Garg Himanshu Avashthi Apoorv Tiwari Prashant Ankur Jain Pramod Wasudev Ramkete Arvind Mohan Kayastha Vinay Kumar Singh

Physico-chemical properties reflect the functional and structural characteristics of a protein. The comparative study of the physicochemical properties is important to know role of a protein in exploring its molecular evolution. A number of online and offline tools are available for calculating the physico-chemical properties of a single protein sequence. However, a tool is not available for a ...

Journal: :علوم و تکنولوژی پلیمر 0
مهدی شیوا حسین آتشی

the blending of nr and br rubber blend with n330 carbon black is studied on curing behavior and the physico-mechanical properties of a sbr rubber based tire tread compound containing n234 carbon black. the effect of sulphur and accelerator contents on different properties of rubber compound is also tested with a wide range of curing agents. partial substitution of sbr with nr shows significant ...

2004
Francesco Micelli Antonio Nanni

Over the last two decades fiber-reinforced polymer (FRP) rods have emerged as one of the most promising and affordable solutions to the corrosion problems of steel reinforcement in structural concrete. The application of FRP rods in new or damaged structures requires the development of design equations that must take into account the mechanical properties and the durability properties of FRP pr...

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