نتایج جستجو برای: physical foaming method

تعداد نتایج: 2204316  

Journal: :مهندسی متالورژی و مواد 0
مینا سعیدی سید محمد میرکاظمی

in this paper, the properties and microstructure of foam glasses obtained from the wasted cathode ray tube (crt) display panels were investigated. the foam glasses were prepared at the temperatures of 850, 950 and 1050c using 2, 4, 6 and 8 wt.% silicon carbide (sic) as the foaming agent. the physical and mechanical properties of the samples including the density, porosity, four-point bending s...

2012
Yin-Chun Chao Shuenn-Kung Su Ya-Wun Lin Wan-Ting Hsu Kuo-Shien Huang

In this study, polyethylene glycol (PEG) and vinyltriethoxysilane (VTES) were used in different proportions to produce a series of PEG-VTES copolymers. The copolymer molecular structures were confirmed by FTIR spectroscopy. In addition, their surface activities were evaluated by evaluating the surface tension, contact angle, and foaming properties. The results showed that these surfactants exhi...

2016
Andrew Hoppe Michael G. Zeece

Examination of egg white proteins and effects of high pressure on select physical and functional properties" (2010). Egg white proteins have become an important and desirable ingredient to the food industry due to their functional properties which include gelling, foaming, and emulsification. Egg white is also well recognized as an excellent source of nutrition. The goal of this work was to det...

2012
Yuya Arakawa Makoto Kobashi Naoyuki Kanetake

Nickel titanium (NiTi) foams were made by combustion synthesis of powders with the help of ZrH2 as foaming agent and TiB2 as endothermic agent. In this paper, we investigated the effect of elemental powder size on the foaming. The powder size of Ni and Ti affected the ignition temperature of the combustion reaction, cell morphology and microstructure of the foams. The cell morphology of the foa...

2011
Jean-Michel Thomassin Isabel Molenberg Isabelle Huynen Michaël Alexandre Christophe Detrembleur

With the rapid development of gigahertz electronic systems, electromagnetic pollution has become a serious problem, which justifies a very active quest for effective electromagnetic interferences (EMI) shielding materials. Polymers filled with carbon fillers have been widely investigated for EMI shielding purposes because of unique combination of electrical conductivity and polymer flexibility....

2017
S. M. Hosseini-Nasab P. L. J. Zitha

Strong foam can be generated in porous media containing oil, resulting in incremental oil recovery; however, oil recovery factor is restricted. A large fraction of oil recovered by foam flooding forms an oil-in-water emulsion, so that costly methods may need to be used to separate the oil. Moreover, strong foam could create a large pressure gradient, which may cause fractures in the reservoir. ...

Journal: :Bioresource technology 2014
Sri Suhartini Sonia Heaven Charles J Banks

Digestion of sugar beet pulp was assessed in relation to biogas and methane production, foaming potential, and digestate dewaterability. Four 4-litre working volume digesters were operated mesophilically (37±0.5 °C) and four thermophilically (55±0.5 °C) over three hydraulic retention times. Digesters were operated in duplicate at organic loading rates (OLR) of 4 and 5 g volatile solids l(-1) da...

Journal: :The Journal of Microbiology, Biotechnology and Food Sciences 2022

This study aimed to develop natural colorant tomato powder using foam mat drying method varying egg albumin (3, 5, and 7% w/w) as foaming agent, carboxymethyl cellulose (0.5% 1%) stabilizer concentrations dried at three various temperatures (60, 65, 70 °C). The properties of juice were analyzed. Foams prepared juice, incorporating (EA), (CMC), whipped thoroughly maximum speed for about 5 min. s...

2000
Eric Wilson

Due to increased competition in a world economy, steel companies are currently interested in developing techniques that will allow for the improvement of the steelmaking process, either by increasing output efficiency or by improving the quality of their product, or both. Slag foaming is one practice that has been shown to contribute to both these goals. This paper describes an effort in progre...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1387

چکیده تمام نما مقدمه: این تحقیق برای بررسی میزان خلاقیت و عناصر آن (انعطاف- سیالی- ابتکار و بسط) در کارشناسان فوق برنامه های تربیت بدنی دانشگاههای تهران صورت گرفته است. بطور کلی خلاقیت به معنای توانایی تولید اندیشه ها و ایده های جدید و ترکیب آنها با یکدیگر و بیشتر در جنبه های فکری نظری و به اصطلاح فعالیتهای ذهنی و طراحی قبل از عمل به کار می رود و دارای چهار عنصر به شرح زیر می باشد. 1- سیالی...

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