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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。
Physico-ecological Studies on Quality Formation of Rice Kernel : III. Effects of ripening stage and some ripening conditions on free amino acids in milled rice kernel and in the exterior of cooked rice
Cooked rice Eating quality Free amino acids Milled rice
2009/8/6
Free amino acids (FAA) in the cooked rice exterior and in milled rice kernels (ground milled rice) were studied from the standpoint of taste. The amount and proportion of FAA in the exterior of cooked...
Physico-ecological Studies on Quality Formation of Rice Kernel:II. Changes in quality of rice kernel during grain development
Amylose Eating quality Fat-by-hydrolysis Grain developmemt Protein Rice Texture
2009/8/6
Changes in the quality of nonwaxy and waxy rice during grain development were investigated, laying emphases on the texture of cooked rice and protein, amylose and fat-by-hydrolysis contents. In terms ...
Physico-ecological Studies on Quality Formation of Rice Kernel:I. Effects of nitrogen top-dressed at full heading time and air temperature during ripening period on quality of rice kernel
Amylose Eating quality Fat-by-hydrolysis Nitrogen top-dressed Protein Rice
2009/8/6
Effects of nitrogen top-dressed at full heading time and air temperature during ripening period on rice quality were investigated from the viewpoints of the texture of cooked rice and protein, amylose...
Physico-ecological Studies on Quality Formation of Rice Kernel:IV. Effect of storage on eating quality of rice
Eating quality Fat-by-hydrolysis Glutamic acid Rice Storage Taste Texture
2009/8/4
We examined the effects of short and long-term storage on the eating quality of rice. The texture of cooked rice became harder and less sticky after being stored at higher temperatures and moisture c...
The Effect of Temperature and Shading on Notched-belly Rice Kernel in Hokkaido Rice Variety “Nanatsuboshi”
Shading Rice Low temperature Notched-belly rice kerne
2009/7/7
In recent years, consumers in Hokkaido complain of the occurrence of notched-belly rice kernels in rice variety “Nanatsuboshi”. In order to investigate the factors that caused notched-belly rice kern...