黄瓜和辣椒是我国设施栽培中的主要作物,但全球气温上升所导致的极端高温频发严重制约二者的生长发育和产量提高。如何缓解高温胁迫对农作物生长和产量造成的不利影响,是农业科学家研究的重点之一。1-甲基环丙烯(1-methylcyclopropene,1-MCP)作为一种新型乙烯抑制剂,能参与植物体中众多生理生化反应,调节植物生长发育。目前关于1-MCP的研究主要集中在改善园艺产品贮藏品质和延长商品货架期方
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The existence of the sea surface is bound to affect the electromagnetic (EM) scattering from marine targets.When dealing with the composite scattering from targ
Fluorene is a polycyclic aromatic hydrocarbon,which is a hazardous toxic chemical in the environment.The measurement of low concentrations of fluorene is a subj
We study evolutionary games in two-layer networks by introducing the correlation between two layers through the C2dominance or the D-dominance.We assume that in
本试验以黑果枸杞组培苗顶端叶片、组培苗茎尖为试材,以秋水仙素为诱导剂,采用施入法,对黑果枸杞进行多倍体诱导,初步摸索出适合黑果枸杞的多倍体诱导及鉴定方法,并获得了一些多倍体植株,为进一步规模化繁殖及推广奠定了基础。结果如下:1、采用施入法分别处理黑果枸杞组培苗顶端叶片、组培苗茎尖两种材料,其中两种处理材料在秋水仙素溶液浓度为500 mg·L-1,处理7d的存活率均较接近半致死剂量,此为秋水仙素溶液
The simple surface current model is extended to study the generation of high-order harmonics for a relativistic circularly polarized laser pulse interacting wit
A high intrinsic quality factor (Qo) of a superconducting radio-frequency cavity is beneficial to reducing the operation costs of superconducting accelerators.N
The above-threshold detachment of F-ions induced by a linearly polarized few-cycle laser pulse is investigated theoretically using the strong-field approximatio
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