【摘 要】
：
海南岛自然条件优越,是一个天然大温室,是我国引种棉属野生资源最适宜的地方。为丰富棉花种质资源及研究利用,中国农业科学院棉花研究所于1982年11月,在北纬十八度的崖城,筹
论文部分内容阅读
海南岛自然条件优越,是一个天然大温室,是我国引种棉属野生资源最适宜的地方。为丰富棉花种质资源及研究利用,中国农业科学院棉花研究所于1982年11月,在北纬十八度的崖城,筹建了海南岛野生棉种植园,经两年多的培植,先后种植棉属野生种及变种二十四种。其中四倍体种三个种,二
Hainan Island enjoys natural conditions and is a natural large greenhouse. It is the most suitable place for introducing the wild resources of cotton in China. In order to enrich cotton germplasm resources and research and utilization, in November 1982, the Cotton Research Institute of Chinese Academy of Agricultural Sciences prepared a wild cotton plantation in Hainan Island at Yacheng Town, latitude 18 degrees north latitude. After more than two years of cultivation, Is a wild species and variety of 24 species. Of which four species of three species, two
其他文献
Optical and electrical properties of single-crystal Si supersaturated with Se by ion implantation and followed by different thermal annealing conditions are rep
只要我来到莫斯科,我一定去瞻仰尼古拉·奥斯特洛夫斯基的墓.rn尼·奥斯特洛夫斯基(1904-1936)在全身即将瘫痪、双目已经失明的情况下,以难以想象的顽强毅力创作的小说,影响
To identify ways to improve the predictive capability of the current RANS-based cavitating turbulent closure, a filter-based model (FBM) is introduced by consid
Sub-harmonic contrast imaging promises to improve ultrasound imaging quality by taking advantage of increased contrast to tissue signal.The aim of this study is
An analysis is carried out for a peristaltic flow of a third-order fluid with heat transfer and variable viscosity when no-slip condition does not hold.Perturba
The optical nonlinear properties of an effective anisotropic slab made of metal-dielectric lamellar gratings with a small grating-period-to-wavelength ratio ∧/
We propose an effective method to produce four-qubit x-type entangled states by using flux qubits coupled to an LC circuit which acts as a quantum data bus (QDB
北京邦和财富研究所所长韩志国认为,10年来,政府对证券市场的监管在经历了较长时期的缺位和错位以后,现在正在向市场经济的方向归位,证券市场的市场化进程正在加快。
Han Z