نتایج جستجو برای: microwave

تعداد نتایج: 50836  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

Journal: :iranian journal of radiation research 0
s. pan department of orthopedics, china-japan ::union:: hospital of jilin university, jilin province, p.r. china y.d. yang research center for gene therapy, china-japan ::union:: hospital of jilin university, jilin province, p.r. china y.p. li department of orthopedics, china-japan ::union:: hospital of jilin university, jilin province, p.r. china j.c. wang department of orthopedics, china-japan ::union:: hospital of jilin university, jilin province, p.r. china j.w. zhao department of orthopedics, china-japan ::union:: hospital of jilin university, jilin province, p.r. china y. wang research center for gene therapy, china-japan ::union:: hospital of jilin university, jilin province, p.r. china

background: microwave thermotherapy has been gradually used in radiotherapy and it is reported that microwave radiation increases bone demineralization rate independently of temperature. furthermore, it becomes more and more widespread that the damage caused by the synergistic effect of microwave radiation and hypergravity. the experiment was designed to investigate the effect of microwave radi...

Journal: :journal of agricultural science and technology 2010
m. s. yarmand p. a. baumgartner

the environmental scanning electron microscopy (esem) is a new development in the field of electron microscopy. in this study esem has been used to study the structure of veal semimembranosus muscle. four treatments, raw (control), conventional heating, domestic and industrial microwave heating, were observed using esem. the temperature used in conventional heating was 163 0c. frequency app...

Journal: :iranian journal of science and technology (sciences) 2014
s. sai srikant

microwave energy has potential for the efficient heating of minerals. minerals or materials, which couple to microwave energy are called dielectrics and many valuable minerals are found to be dielectric. the mineral ilmenite is one which shows good dielectric heating characteristics. in this paper, the effect of microwave heat energy on the partial reduction of oxidized ilmenite oxidized in ...

Journal: :iranian journal of pathology 2015
promil jain sanjay kumar brij bala arora sneh singh sonia chabbra

background and objectives:rapid processing of histopathological specimens and decreased turnaround time is important to fulfill the needs of clinicians treating sick patients, so the present study was conducted to compare the time taken and quality of sections in processing of prostatic tissue by rapid microwave and conventional techniques using morphometry.methods: four to five mm thick paired...

Brij Bala Arora Promil Jain, Rajeev Sen Sanjay Kumar Sneh Singh Sonia Chabbra

 Background and Objectives:Rapid processing of histopathological specimens and decreased turnaround time is important to fulfill the needs of clinicians treating sick patients, so the present study was conducted to compare the time taken and quality of sections in processing of prostatic tissue by rapid microwave and conventional techniques using morphometry. Methods: Four to five mm thick p...

Journal: :journal of agricultural science and technology 2013
h. darvishi m. h. khoshtaghaza g. najafi f. nargesi

in this study, green pepper was dried by a laboratory scale microwave-convective dryer. the effects of microwave power on drying rate, effective moisture diffusivity, and energy consumption of green pepper were studied at four different microwave powers of 180, 360, 540, and 720w. the drying data were fitted to the four thin-layer drying models. the moisture reduction of the green pepper sample...

J.C. Wang, J.W. Zhao, S. Pan, S.J. Lv, W.G. Pan, Y. Wang, Y.D. Yang, Y.P. Li, Z.L. Gao,

Background: Microwave Thermotherapy has been gradually used in radiotherapy and it is reported that microwave radiation increases bone demineralization rate independently of temperature. Furthermore, it becomes more and more widespread that the damage caused by the synergistic effect of microwave radiation and hypergravity. The experiment was designed to investigate the effect of microwa...

H. Wang, R. Peng, S. Tan,

With the development of science and technology, microwave has been used in many fields such as industry, military, medicine and communication. People are living in a lapped and dynamic electromagnetic environment. Concerns about potential hazards of microwave are getting increasing attentions. The single biological effects of microwave were widely discussed which was considered harmful. Relevan...

ژورنال: طب کار 2015

Background: Due to the increase of public concern about the physical and psychological effects of radiation on the health of cell phone users, the present study aimed to determine public exposure to microwave propagation from current cell phones in different user conditions. Methods: In this cross-sectional study, the effective intensity of microwave radiation from cell phone were measured...

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