نتایج جستجو برای: cosmetics and health drying process

تعداد نتایج: 17065675  

2016
Zijian Zhao Qing Ma Zhengbin He Songlin Yi

Impregnating wood, assisted with ultrasound technology, could improve the impregnation efficiency by improving the permeability of wood, thus affecting the subsequent drying process. Poplar lumber and phenolic resin were applied to investigate the influence of ultrasound-assisted impregnation on the wood drying process. The ultrasonic frequency and processing time were analyzed and correlated. ...

2014
X. - M. Qian W. - R. Huang P. - H. Lou

Vacuum freeze-drying has been considered the best dehydration process for thermolabile products because it reduces nutritional and sensorial degradation. As water is removed from a pre-frozen product, a porous structure is formed, which results in a dehydrated product that has better properties when rehydrated.1 This technique springs up rapidly along with the development of refrigeration, vacu...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract the current study set out to address the issue as to whether the implementation of portfolio assessment would give rise to iranian pre-intermediate efl learner autonomy. participants comprised 60 female in pre-intermediate level within the age range of 16-28.they were selected from among 90 language learners based on their scores on language proficiency test -key english test. then, t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1388

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

Journal: :مهندسی بیوسیستم ایران 0
حسین احمدی چناربن دانشگاه آزاداسلامی، واحد ورامین- پیشوا، گروه زراعت و اصلاح نباتات سیده معصومه هاشمی نیا گروه زراعت و اصلاح نباتات، واحد رودهن، دانشگاه آزاداسلامی، رودهن، ایران.

drying is considered as one of the important stages after plant harvesting which plays an important role in maintaining the quantity and quality of their active ingredients. st. john's wort (hypericum perforatum l.) is an important medicinal plant that high percentages of hypericin in its leaves and flowers are considered as the most important feature of the iranian species. in this resear...

عسکری, حامد, فرحناکی, عسگر, مصباحی, غلامرضا,

Date fruit as a high calorie and valuable food source can be one of the main Iranian agricultural commodities for export, if properly processed and packed. The aim of this study was to process Kabkaab date variety from Routab (high moisture dates) to Tamar (known as dates or dry dates) using an industrial cabinet dryer. The Routab samples were dried using hot air at 56, 66, 76, 86 and 96 ˚C and...

Journal: :Nanotechnology and nanomaterials research 2022

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1391

peace and national security protection and ironic solving of international conflicts become the preliminary foundation of the united nations charter and had been considered as the main responsibilities of the security council, after world war ii and the establishment of united nations organization. therefore, the security council enables to analyze every kind of conflicts and challenges which ...

Journal: :مدیریت صنعتی 0
نجمه نشاط دانشگاه شریف هاشم محلوجی دانشگاه شریف

this is the first attempt at process modeling in terms of predictive control using a hierachical method based on regression analysis and artificial neural networks (anns). this hierachical method leads to the reliability improvement of neural model of the process in predicting (extrapolation and interpolation) the process output. such an outlook makes it possible to predict the proper input set...

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