The decline rate was great before the 20 - 25~ thday after anthesis ( DAA ).开花后小麦 籽粒 灰分含量呈不断下降的趋势,前期下降较快,花后20～25天后下降较 平缓.In peas there is an initial deposition of materials in the endosperm following anthesis.豌豆中紧随开花期之后胚...
In peas there is an initial deposition of materials in the endosperm following anthesis.豌豆中紧随开花期之后胚乳开始有物质积累.Conelet - drop is at a maximum when shoot extension occurs at a time close to anthesis.在接近开花而营养枝又在伸长时,球花早落的数量达到最...
Investigates the matching calculation of electromechanical transmission system for electric cars.研究电动轿车机电传动系统匹配计算方法.Microsystem or micro electromechanical system ( MEMS ) is briefly introduced.本文简要介绍微系统的涵义、发展和主要特点.Electr...