نتایج جستجو برای: Thermal processing

تعداد نتایج: 707242  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1389

in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...

Journal: :journal of lasers in medical sciences 0
johnny toumi higher institute for laser research and applications, damascus university, damascus, syria fawaz saiof higher institute for laser research and applications, damascus university, damascus, syria wesam bachir higher institute for laser research and applications, damascus university, damascus, syria

introduction: tracking temporal changes of temperature during laser skin treatment plays an important role in improving the process of laser skin treatment itself. there are a number of methods to analyze temperature’s temporal dependency during laser skin treatment; some of those methods depend on imaging the skin with thermal cameras. however, the use of thermal cameras exhibits specific prob...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده کشاورزی 1390

abstract this study is carried out to determine the chemical composition in the three vegetative stages of the haloxylon sp., degradation parameters, with adding naoh and ca(oh2 ). for this purpose, in may and october and january 2010 enough some haloxylon sp. of the ammary area was prepared. crude protein and ash percentage are decrease, neutral detergent fiber percentage with pragress stage ...

Thermal processing of the key lime juice leads to the inactivation of pectin methylesterase (PME) and the degradation of ascorbic acid (AA). These changes affect directly the cloud stability and color of the juice. In this study, an artificial neural network (ANN) model was applied for designing and developing an intelligent system for prediction of the thermal processing effects on the physico...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
a. maskooki m. n. eshtiaghi

the effect of pulse electric field on mass transfer in sugar beet cossettes with different thicknesses were investigated and compared with traditional thermal processing. two kinds of sugar beet cossettes 3±0.5 cm and 2±0.5 thicknesses with 3–5 cm long subjected to pulse electric field (3kv, 8 µf, and 20 pulse) and compared with heat treated samples (80ºc for15 minutes) as conventional thermal ...

J. Farhana, N. Rahman, N. Sarwar, R. Tasfia, T. Ahmed, T. Hasan,

Background: Pineapple juice processing is an art of preservation, and the processing technologies play important role in pineapple juice quality. Therefore, this study aimed to explore the potential impacts of non-thermal processing methods on the physicochemical, bioactive, and microbiological properties of fresh pineapple juice. Methods: Extracted juices were subjected to several non-thermal...

Journal: :The Review of Laser Engineering 1987

Journal: :AAPS PharmSciTech 2016

Journal: :international journal of advanced biological and biomedical research 2014
farid bejaie adel rezvanivande fanayi ali abbaszadeh

farming organic vegetable and crops have grown as a market desiring commodity. weed control in farms has been costly and laborous and it has always been hard to achieve a proper weeding. a few chemicals are commonly applied in organic farming. thermal weeding with flame burners seems a good solution; however, it has its own drawbacks, such as; damaging the main crops, low performance, being inf...

1999
Jochen Urban

Continuously shrinking device parameters and the enlargement of wafer diameters in semiconductor industry require best temperature homogeneity in Rapid Thermal Processing (RTP). This together with the requirement of high ramp rates in the range of 200 °C s as advantageously used in ultra shallow junction processes [1] challenges temperature control in RTP technology. In order to design advanced...

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