搜索结果: 1-15 共查到“农业生物物理学 impact”相关记录15条 . 查询时间(0.484 秒)
Impact of water temperature and structural parameters on the hydraulic labyrinth-channel emitter performance
manufacturer’s coefficient of variation emission uniformity
2014/10/28
The effects of water temperature and structural parameters of a labyrinth emitter on drip irrigation hydraulic performance were investigated. The inside structural parameters of the trapezoidal labyri...
An Energy Absorption Comparison of Square, Circular and Elliptic Steel and Aluminum Tubes under Impact Loading
Impact Energy absorption Finite element method Axial crushing
2010/3/17
An Energy Absorption Comparison of Square, Circular and Elliptic Steel and Aluminum Tubes under Impact Loading.
Impact of electromagnetic fields on morphogenesis and physiological indices of tomato
electromagnetic fields tomato growth yield
2008/11/26
The impact of electromagnetic fields of the power of 1800 Am-1 (=H), 1000 Am-1 (=H), 800 Am-1 (~H), 1500 Am-1 (~H), 200 Am-1 (~H) on the morphological and physiological parameters of tomato plants wh...
Impact of microstructure in modelling physical properties of cereal extrudates
microstructure physical properties extrudate cereals extrusion-cooking
2008/11/26
A research was carried out into the extrusion process of corn semolina and oat bran mixtures with single- and twin-screw extrusion-cooking. The effect of an extruder used, of the concentration of oat ...
Impact of the long-term straw supply on loess-derived soil structure
plant residues slaking soil structural properties organic matter
2008/11/26
Keeping plant residues on the field and incorporating them instead of removing or burning them, is a well-known practice in soil and water conservation. One of the objectives of this management is to...
Anthropogenic impact on fluvisols in German Floodplains.Ecological processes in soils and methods of investigation
Leipzig floodplain forests anthropogenic impact on soils
2008/11/26
The region of the Leipzig floodplain areas (Germany) is one of the most beautiful floodplain forests in Europe with partly degradated soils. The Weisse Elster and Pleisse rivers and their catchments a...
Development and performance evaluation of impact bambara groundnut sheller
bambara groundnut centrifugal impeller pods winnowing
2008/11/21
A centrifugal bambara groundnut sheller was designed, constructed and evaluated. The sheller consists of a feed hopper with a flow rate control device, shelling unit, separating unit and power system...
Effect of rapeseed and wheat kernel moisture on impact damage
rapeseed wheat kernel moisture content impact strength
2008/11/20
One of the causes of the occurrence of mechanical damage to seeds during harvest and other technological processes is the effect of impact forces acting during the contact of seeds with moving elemen...
Environmental impact of emissions from the nitrogen fertilizerplant in Pu砤wy
nitrogen works Puł awy emissions environmental impact
2008/11/19
The impact of the nitrogen fertilizer plant in Puławy involved profound, destructive alterations to the broad-sense natural environment which comprised not only the soil, water and air but also p...
Research on the impact of mass fractions of multi-element granular structure on the mixing process
granular material heterogeneous granular structure multi-element granular structure cluster analysis
2008/11/18
Knowledge concerning mechanisms that govern the mixing process of multi-element heterogeneous granular structures is still not sufficient. The description of a mixing process where one of the factors ...
Methanotrophic bacteria and the impact of soil physical conditions on their activity
methanotrophs methane oxidation soil conditions
2008/11/14
Occurrence of methane in the soil is accompanied by the development of methanotrophic microorganisms with structural and functional adaptation to its oxidation. Methanotrophs, microaerophilic organism...
Postharvest impact bruising of apple as related to the modulus of elasticity
apple modulus of elasticity predicted bruise volume measured bruise volume
2008/11/13
The moduli of elasticity of fruit (E p and E 7) calculated from the maximum force reading (Fp) and from the average flesh force reading at 7 mm depth (F7) were used to predict bruise volume of apple d...
Prediction of apple bruising based on the instantaneous impact shear stress and energy absorbed
apple instantaneous impact shear stress instantaneous energy absorbed
2008/11/13
Instantaneous impact shear stress together with the instantaneous energy absorbed were used to predict bruise volume in Golden Delicious apple. The prediction produced a linear relation between the pr...
Prediction of apple bruising based on the instantaneous impact shear stress and energy absorbed
apple instantaneous impact shear stress instantaneous energy absorbed predicted bruise volume measured bruise volume
2008/11/13
Instantaneous impact shear stress together with the instantaneous energy absorbed were used to predict bruise volume in Golden Delicious apple. The prediction produced a linear relation between the pr...
The impact of tunnel cover type on growth and yield of sweet pepper
fruit quality growth solar radiation sweet pepper temperature yielding
2008/11/10
In the years 1995-1996 investigations on modification of microclimate in tunnels covered with polyethylene (PE) and polypropylene (PP) were conducted. The tunnels were covered with PE film and non-wov...