论文部分内容阅读
玉米幼胚愈伤组织的诱导、继代、植株再生及其抗病变异体的筛选研究
【机 构】
:
中国农业科学院
【出 处】
:
中国农业科学研究院 中国农业科学院
【发表日期】
:
1991年期
其他文献
玉米(Zea mays L.)属禾本科、玉米属植物,在我国国民经济中占有非常重要的地位。通过基因工程的手段选育具有耐旱、耐盐碱和抗病的玉米新品种对于提高玉米的产量具有非常重要的
,Coupling analysis of transcutaneous energy transfer coils with planar sandwich structure for a nove
This paper presents a set of analytical expressions used to determine the coupling coefficient between primary and secondary Litz-wire planar coils used in a tr
High resolution of surface plasmon resonance (SPR) detection is of vital importance.SPR biosensing system resolution is determined by intrinsic sensitivity of b
Deformation is an important research topic in graphics.There are two key issues in mesh deformation:(1) selfintersection and (2) volume preserving.In this paper
In the training of feedforward neural networks,it is usually suggested that the initial weights should be small in magnitude in order to prevent premature satur
高梁纯系401-1,通过幼胚培养,由小盾片细胞产生的再生植株后代出现了株形矮小突变体.到1995年经过13个世代有性繁殖,证明这种变异是遗传稳定的,并获得了突变系Ms.该文对这种