PROBLEM TO BE SOLVED: To provide a measurement system for mutual modulation distortion capable of measuring a mutual modulation distortion generated in a contact part between metal materials with little labor, in a short time, at small cost, and accurately. SOLUTION: A plane contact device is pre...
We studied the influences of different thermal-insulation seedling-raising measures on the seedling quality,yield,and yield components of 4 early rice varieties in double cropping system. The results showed that early rice varieties whose seeds were soaked with trichloroisocyanuric acid had a higher eme...