نتایج جستجو برای: drying stresses
تعداد نتایج: 64241 فیلتر نتایج به سال:
Abstract Understanding the generation of mechanical stress in drying, particle-laden films is important for a wide range industrial processes. One way to study these stresses through cantilever experiment, whereby thin film deposited onto surface plate that clamped at one end wall. The are generated during drying transmitted and drive bending. Mathematical modelling enables be inferred from mea...
simulation of rough rice drying is one of the proper methods for predicting moisture distribution in the product, and throughout the process of drying. the drying process must be well understood and controlled so that design guidelines which reduce or minimize drying damage to rough rice can be established and improved. therefore, an accurate understanding and description of the drying mechanis...
Probiotic microbes may confer a variety of positive health effects on the host. Until now, development probiotic products has mainly focused Lactobacillus and Bifidobacterium species, which generally tolerate stresses encountered during processing, storage delivery well. In recent years, newly-discovered gut have gained attention due to their association with healthy host conditions. However, t...
2 Variation of colour and selected physical and mechanical properties related to artificial drying of sawn silver birch (Betula pendula Roth) timber from plantations Veikko Möttönen Dissertationes Forestales 13 3 Möttönen, V. 2005. Variation of colour and selected physical and mechanical properties related to artificial drying of sawn silver birch (Betula pendula Roth) timber from plantations. ...
A new advanced microwave drying technology has been developed using a continuous dryer combined with an air cooler. Principle of the new technology consist in using microwave absorption filters made from special porous ceramics which act as both absorbent and transparent material for microwaves. Ceramic slabs reduce intensity of microwave radiation to such a extent which prevents overheating or...
The conventional methods of drying Chinese wolfberry fruits cause loss of active ingredients and the drying time is very long. In order to explore and investigate the new method of drying Chinese wolfberry fruits, electrohydrodynamic (EHD) drying system was used to drying for Chinese wolfberry fruits with a multiple needle-to-plate electrode on five levels alternating voltage at 0, 20, 24, 28 a...
To optimize the use of sulfur in drying of apricot, four following treatments including: sulfiting and drying, sulfiting- blanching and drying, blanching- sulfiting and drying, and finally sulfiting- drying to % 50 of initial moisture- blanching and finish drying were studied. The levels of sulfur addition were from 0 to 1500 ppm, SO2 and drying was carried out at 50 to 74 °C. The quality of dr...
One of the factors which affect the quality of rice during milling is internal fissures created during and after drying operation. In many industrial countries intermittent drying method is hired to reduce the moisture content of rough rice in order to reduce the drying time and maintain the quality of the final product. A high percentage of rice breakage during milling process, at least in Ira...
Cementitious materials shrink when exposed to decreasing relative humidities, which may result in cracking. Shrinkage reducing admixtures (SRAs) can be used reduce this drying shrinkage. Although many studies have shown that SRAs the surface tension of pore solution, effects on other solution properties and their relationship shrinkage been poorly characterized. In work, we investigate impact a...
The drying or dehydration is the controlled heating of food products to evaporate quantified amount of moisture that is originally present in it. Drying of food products is essential to enhance the shelf life of the product without quality losses over an extended period of time. It is an energy intensive process. The fluidized bed dryer with heat pump is one of the efficient method to reduce th...
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