搜索结果: 1-15 共查到“农业生物物理学 grains”相关记录15条 . 查询时间(0.046 秒)
Defining the damaging process of cereal grains on the basis of artificial neural network
grain damage multiple dynamic loads artificial neural network
2008/11/26
The objective of the research consisted in the development of a model allowing to forecast the damage attributable to wheat grains under the impact of multiple dynamic loads. Laboratory research which...
Electron paramagnetic resonance (EPR) investigations of laser induced free radicals in spring wheat grains
wheat grain laser electron paramagnetic resonance
2008/11/26
Electron paramagnetic resonance (EPR) spectroscopy was applied to the studies on free radicals in wheat grains. The stable free radicals normally present in cereal grains can be detected by EPR measu...
Computer system for analysis of X-ray images of wheat grains (a preliminary announcement)
wheat grain X-ray imaging image analysis damage indices
2008/11/24
Main elements of a computer system for analysis of X-ray images of wheat grains are outlined in the paper. In particular a specially developed software package (named GRAINS) for visualisation of grai...
Determination of the elastic constants of cereal grains in a uniaxial compression test
grain elastic parameters uniaxial compression
2008/11/21
Stress-strain relationships of bulk of seeds were examined under conditions of uniaxial compression with addi- tional measurement of lateral stress. Tests were performed on wheat, rye, barley, oats an...
Determination of the elastic constants of cereal grains in a uniaxial compression test
grain elastic parameters uniaxial compression
2008/11/21
Stress-strain relationships of bulk of seeds were examined under conditions of uniaxial compression with additional measurement of lateral stress. Tests were performed on wheat, rye, barley, oats and ...
Effect of moisture content of cereal grains layer on pressure distribution on silo wall
silo grain pressure distribution loisture content
2008/11/21
The paper presents the results of measurements of silo wall pressure during the storage of yheat, barley and oats grain. The study was conducted on a ;st station. The test silo was filled with two lay...
Fatigue strength of wheat grains. Part 1. The analysis of grain deformation at multiple loads
multiple loads grain deformation
2008/11/21
In the majority of studies concerning the evaluation of grain resistance, the authors usually make use of the method of visual evaluation of grain condition - with respect both to external and interna...
Fatigue strength of wheat grains. Part 2. The fatigue strength index for wheat grain
multiple loads grain deformation
2008/11/21
In the presented research, fatigue tests were conducted in which a load was applied in the from of a mechanic impact. In the authors opinion, it is the best method to simulate natural conditions, whe...
Influence of material's temperature on compression parametersof ground barley grains
agglomeration barley temperature parameters of material's compression
2008/11/18
The paper presents the results of studies on the influence of temperature on the parameters of the pressure compression process and on indicators of material's compression ability for grains of four b...
Moisture dependent physical properties of red bean (Phaseolus vulgaris L.) grains
bean moisture content physical properties
2008/11/17
Physical properties of food materials like grains are important in the design or improvement of harvesting and processing machines. This study was aimed at assessment of some physical properties of re...
Influence of moisture content and number of mechanical impacts, upon the energy and sprouting capacity of wheat grains
multiple mechanical loads damages biological value
2008/11/14
The most frequent reason for the damage inflicted on cereal grains results from the shock and mechanical impact of harvesting, cleaning and transport. The characteristic of these processes of that the...
Influence of moisture on the physical properties and parameters of the compression process of cereal grains
biological materials physical properties compression granulability
2008/11/14
The paper presents results of studies on the influence of moisture on the physical properties and parameters of the pressure compression process of cereal grains. The studies covered ground grains of ...
Pressure ratio of cereal grains determined in a uniaxial compression test
pressure ratio cereal grain storage structures
2008/11/13
The pressure ratio of cereal grains was determi- ned in a uniaxial compression test. Experiments were performed according to Eurocode 1 recommendations. The tester was 210 mm in diameter and 100 mm hi...
Pressure ratio of cereal grains determined in a uniaxial compression test
pressure ratio cereal grain storage structures
2008/11/13
The pressure ratio of cereal grains was determined in a uniaxial compression test. Experiments were performed according to Eurocode 1 recommendations. The tester was 210 mm in diameter and 100 mm hig...
The influence of selected factors on the force value of internal friction of rye and wheat grains
mechanical properties of cereals internal friction of cereal grains
2008/11/10
The phenomenon of internal friction plays a major role in the majority of processing procedures. Thus, it is imperative to determine the internal friction coefficient for products under processing. It...