搜索结果: 1-15 共查到“农业基础学科 drying”相关记录17条 . 查询时间(0.078 秒)
Dehydration kinetics of onion slices in osmotic and air convective drying process
onion drying mathematical models diffusivity osmotic dehydration
2014/9/22
The effect of different pre-treatments (i.e. osmotic dehydration in 10, 15 and 20°Brix NaCl solution and drying air temperature of 50, 60 and 70°C) on drying behaviour of onion slices were investigate...
Diffusion models for the description of seedless grape drying using analytical and numerical solutions
Optimization Convective Boundary Condition Diffusion Model
2013/2/28
This article compares diffusion models used to describe seedless grape drying at low temperature. The models were analyzed, assuming the following characteristics of the drying process: boundary condi...
An empiric equation for the latent heat of vaporization of moisture in bananas during its isothermal drying
Energy Agricultural Products Dried Banana Heat and Mass Transfer
2013/2/28
In order to determine the energy needed to artificially dry a product, the latent heat of vaporization of moisture in the product, hfg, must be known. Generally, the expressions for hfg reported in th...
INFLUENCE OF DRYING AND GENEBANK STORAGE ON INITIAL GROWTH, PEROXIDASE ACTIVITY AND REGENERATION CAPACITY OF WHEAT SEEDS
wheat storage drying
2010/12/9
Seeds of three winter wheat bread cultivars (Triticum aestivum L.): Sadovo 1, Sadovo 772 and Katya, and three durum wheat cultivars (Triticum durum Desf): Progress, Vazhod and Beloslava were used. The...
荔枝在不同红外辐射源下真空干燥优化试验（Optimization Test of Litchi Vacuum Drying under Different Infrared Radiation Sources）
荔枝 红外辐射源 真空
2009/5/22
通过不同红外辐射源真空干燥荔枝试验以及干燥工艺品质试验，表明果肉与辐射源光谱匹配显著影响干燥速率，真空度、辐射热流密度的匹配影响干燥速率及干燥品质；采用辐射源SZ、辐射距离120mm、加热/缓苏时间15min/15min、真空度0.02MPa的干燥工艺，干燥速率与干果品质综合评价最优。
Determining of moisture diffusivity and activation energy in drying of apricots
apricots drying effective moisture diffusivity activation energy
2014/2/26
In this study, Fick’s second law was used as a major equation to calculate the moisture diffusivity for apricot fruit with some simplification. Drying experiments were carried out at the air temperatu...
Modeling of thin-layer drying kinetics of sesame seeds: mathematical and neural networks modeling
sesame seed natural drying neural network mathematical modelling
2008/11/26
Natural drying characteristics of sesame seeds (SS) were investigated under indoor conditions with both forced convection (FC) and natural convection (NC) of air. The drying kinetics of SS was charact...
Analysis of the geometrical changes of celery in a test piece during convection drying
shrinkage dimensions surface drying celery
2008/11/26
The study has been devoted to change analysis of linear dimensions, surfaces and drying shrinkage rate, in the course of the convector drying of celery. It has been found that drying resulted in most ...
Changes to the composition of colorants caused by the temperature of drying rapeseed
rapeseed oi temperature drying chlorophyl carotenoid
2008/11/24
The pigment content in both seeds and oil has been an essential indicator of the oil quality, in particular for the cold pressed oil. The chlorophyll content in the seeds depends upon many agents, am...
Drying parameters of plant-fish feeding concentrates in drum driers
drying fish plant concentrate
2008/11/24
Lack of literature data relating to the parameters of drying the plant-fish feedstuffs in industrial hot-air and contact drum driers was the reason for un- dertaking this research. Its purpose was to ...
Influence of corona wind on the convective wheat grain drying course
electric field corona wind convective drying
2008/11/24
The convective drying process is widely used despite its very low efficiency. For this reason there are studies searching for a better drying method or agents, which can increase process efficiency. T...
Influence of electric field on wheat grain drying
electrostatic field convective drying wheat grain
2008/11/24
Because of the numerous common applications of drying processes their energy consumption reduction is an important task. This reduction can be achieved by using appropriate drying methods and/or intro...
Influence of electrostriction forces on energy consumption of drying grain seeds in a drum drier
grain seeds energy dielectric drying electric field
2008/11/24
In this paper, the results of studies on energy consumption in the process of grain seeds drying are presented. Tarushkin's hypothesis forms the basis of these studies according to which positive and ...
Hysteresis between wetting and drying processes as affected by soil aggregate size
soil aggregation water retention curve
2008/11/18
The impact of different sizes of soil aggregates on
the hysteresis of their water retention characteristics was determined.
Soil aggregates were separated from the arable layer of Orthic
Podzol, Eu...
Influence of the moistening and drying of wheat grain on its hardness
wheat grain moistening drying hardness
2008/11/18
The influence of the moistening and drying of two cultivars of wheat grain (Roma and Igna) on changes in the hardness index (HI) was determined. Samples of grain with an initial moisture of 11.5%, wer...