The parameter alternating method to introduce the auxiliary function in the proof of mean value theoryem proof 利用参数变导法引入证明中值定理的辅助函数
Study on the introduction of insect - resistant gene into oilseedrape using agrobacterium tumefaciens - mediated transformation 利用农杆菌介导法将抗虫基因导入油菜的研究
Measurement method for dielectric properties of fine ceramics in millimeter wave frequency range - part 1 : cutoff waveguide method 毫米波频率范围内精细陶瓷介电性能的测量方法.第1部分:截止波导法
The rs gene was introduced to tobacco by agrobacterium - mediated transfer method , and 30 individual transgenic plants have been obtained 并利用农杆菌介导法将rs基因导入烟草品种革新1号中，获得30株转基因烟草。
Foreign genes , such as reporter genes , disease - resistant genes or color - related genes , were successfully transferred to roses via agrobacteria or through microprojectile bombardment 通过农杆菌介导法和基因枪法，外源基因如报告基因、抗病基因和改变花色的基因等已转化成功。
3 . twenty gus - positive tobacco lines were obtained by agrobacterium tumefaciens - mediated transformation of leaf - discs , and were confirmed by pcr and southern blotting analyses 将所构建表达载体通过农杆菌介导法导入烟草，获得20余株gus阳性苗，经pcr和southern杂交检测均呈阳性。
Chemical analysis methods for non - rare earth impurities of rare earth metals and their oxides determination of oxygen and nitrogen content impulse - infrared and impulse - thermal conductance absorption method 稀土金属及其氧化物中非稀土杂质化学分析方法氧氮量的测定脉冲-红外吸收法脉冲-热导法
In this experiment , the immature embryos were used as explant to induce calli and bt gene was tranfered into mo17 , 81162 , ji 846 and 7922 by the agrobactrium - mediated . we have gained the positive plants determined by pcr 本论文以东北地区骨干玉米自交系幼胚为外植体，采用农杆菌介导法将bt基因导入了mo17 、吉846 、 81162及7922 ，并获得了pcr检测呈阳性的再生植株。
