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1

Model HDY 5042 crude oil moisture gauge using low energy radiation

HDY5042型低能核辐射原油水分仪
2

HDY 125 constant potential instrument is developed by using the inverter technology .

HDY-125型恒电位仪利用逆变技术研制而成。
3

The seeds of a new line HDY 8 with double low and higher oil content was induced by nitrogen ion beam . One mutant plant which lost green , etiolated and fall to normal was observed in M 1 . About one third plants in M 2 still etiolated .

用氮离子处理双低高含油量甘蓝型油菜新品系HDY-8种子，M1出现了一株失绿黄化而后复绿的突变体，其M2仍有三分之一的植株出现黄化反应。