Ability to modify plants at the genomic level by advanced molecular technology has enhanced the scope of improvements in plant traits attempted earlier through
曾经有一段时期,美对我而言具有某种特别的含义。那时候我大约是六七岁左右的年纪吧,就在几周后,孤儿院把我变成了一个暮气沉沉的人。在孤儿院里,我每天很早就起床,像个小士
分别采用实验电炉和大样品热重分析仪研究了不同抗氧化剂对含矾土基β-sialon的MgO基浇注料抗氧化性能的影响,用X射线衍射确定氧化层与未氧化层物相组成,用扫描电镜观察样品
用X射线衍射和透射电子显微镜研究了Mo33Si66混合粉在机械合金化以及热处理过程中的结构演变,并讨论机械合金化过程中的相形成机理.研究表明：Mo33Si66混合粉在球磨过程中首先
1984年,原教育部下达了在普通高校开展文献检索课教学的通知,全国各高校陆续开设文献检索课教学,我校也于同年在研究生的教学中开设了必修课,本科生中开设了医学文献检索选修
Wheat (Triticum aestivum), as a kind of important economic crop cultured in the Northern China, is affected by present-day enhanced ultraviolet-B (UV-B) radiati
用熔融法制备ZnO-A12O3-SiO2玻璃,经两步热处理工艺控制成核及晶体生长制备出透明微晶玻璃.对锌铝硅透明微晶玻璃进行光透过率、场发射环境扫描电镜（field emission-environme
This study was conducted to examine the physicochemical characteristics and perform QTL mapping of genetic factors associated with the lipid content of rice. A