This paper Synthetically narrates the literatures in our own country and foreign countries about the studies on chemical control technigue to maize by plant growth regulator.
本文对国内外有关利用植物生长调节剂在玉米上进行化学控制的研究资料进行综合叙述。
2
Judgement of direction of the regulator function in a control circuit is a teaching jungle of the course Automation and Meters in Chemical industry.
化工控制回路中调节器作用方向判断是《化工自动化及仪表》课程中的教学难点。
3
This paper describes characteristics of insect control and method of chemical synthesis of fenoxycarb, an insect growth regulator.