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以接触力学为基础，建立了脱粒元件与稻谷对心碰撞时压缩位移和最大压力分布模型。针对不同含水率时稻谷塑性、脆性力学性质的差异，得出了稻谷与脱粒元件冲击损伤临界速度计算公式。对钉齿与镇稻10号、武香粳14、淮稻9号、镇糯653和协优084稻谷冲击损伤临界速度进行了实例计算，在试验台架上进行了实测，试验均值与理论计算基本一致。
IMPACT OF SOIL CULTIVATION AND WEED CONTROL METHODS ON NUTRIENT YIELDS AND ECONOMIC EFFECTIVENESS OF POTATO CULTIVATION PART I. POTATO NUTRIENT YIELDS
soil tillage methods weed control methods tuber dry matter yield starch yield
2009/3/31
Research results come from a field experiment which was conducted over 2002-2004 at the Zawady Experimental Farm owned by the University of Podlasie, Siedlce (52o06’ N; 22o06’ E). Experimental design...
VARIABILITY OF LENGTH OF STEM OF DETERMINATE AND INDETERMINATE CULTIVARS OF COMMON VETCH (VICIA SATIVA L. SSP. SATIVA) AND ITS IMPACT ON SELECTED CROPPING FEATURES
determinate cultivars length of stem lodging
2010/12/2
In the years 2001 and 2002, the study was conducted in six experiments in order to examine the conditioning of the length of stem variability and its impact on cropping features of determinate and ind...
Tracing the Impact of Bank Liquidity Shocks: Evidence from an Emerging Market
Bank Liquidity Shocks Emerging Market
2014/3/19
Do liquidity shocks matter? While even a basic answer to this question presents identi-
Öcation challenges, going beyond this entails tracing how such shocks to lenders are passed
on to borrowe...
Relationships among Morphological Characters, Isozymes Polymorphism and DNA Variability – the Impact on Lactuca Germplasm Taxonomy
AFLP esterase flow-cytometry genetic resources Lactuca spp morphology PAGE electrophoresis wild le� uce species relative DNA content taxomomy
2014/3/19
Fifty one accessions of nineteen Lactuca species, the hybrid L. serriola × L. sativa and the related species
Mycelis muralis were evaluated for morphological variability, esterase (EST) polymorphism...