【摘 要】
：
华玉2号(简称“双自”)是华中农学院玉米育种组育成的恢复型雄性不育系杂交种。1981年通过湖北省低山平原组区试。1983年开始大面积试种。1985年7月通过湖
Huayu 2 (referr
论文部分内容阅读
华玉2号(简称“双自”)是华中农学院玉米育种组育成的恢复型雄性不育系杂交种。1981年通过湖北省低山平原组区试。1983年开始大面积试种。1985年7月通过湖
Huayu 2 (referred to as “double from”) is the Huazhong Agricultural College maize breeding group bred male sterile CMS hybrids. 1981 passed the low mountain plains group test in Hubei Province. 1983 large area planted. July 1985 through the lake
其他文献
2000年9月,全球第一款内置摄像头的手机夏普J-SH04问世。14年来,手机摄像头像素从11万飙升到了4100万;手机拍摄从仅仅为了“留个影”到现在利用手机进行艺术创作,甚至是新闻
近两年,我省小麦连续获得历史上最好收成。但这两年在小麦生长期间气象条件不尽相同,1984年度不利气象条件较多,影响较大,致使部分小麦未获得高产,甚至减产,但全省仍表现增
沙打旺又名直立黄芪、麻豆秧、薄地强、地丁等,属豆科黄芪属。为温带旱生、中旱生植物。在我国东北、华北、西北、西南等地均有野生种。有数百年的栽培历史,近年来北京、内
Two new organic dye samples J and L with a large two-photon absorption (TPA) cross section have been reported.The linear absorption spectra show that there is n
A two-level four-direction lattice Boltzmann model is formulated on a square lattice to simulate compressible flows with a high Mach number. The particle veloci
Nematic liquid crystal system of interacting biaxial particles via dispersion forces is studied. The molecular orienting potential form in a magnetic field is
Electron paramagnetic resonance (EPR) measurement of CsNiCl3 compound has been performed at 192 GHz in the temperature range from 300 to 5 K, along the axes of
Institute of Crystal Materials and State Key Laboratory of Crystal Materials, Shandong University, Ji
an 250100(Received 18 March 2000)The data of the thermal e
Superconductivity in small metallic grains is carefully checked as their size is decreased to a few nm when the average level spacing d could be compared with t
我国的教学体制不断改革,对统计学实验教学提出了更高的要求.统计学是数学学科的重要组成部分,对学生的逻辑思维能力提出要求.为了提高课堂效率,教师需要采用现代化的实验教