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- The transformation frequency of flax hypocotyl was about 2%. 表明它们是转化植株,转化频率约为2%25。
- It avoids operation of Mod,the effect of scrambling has nothing to do with transformation frequency and it can change gray distribution of image. 该算法避免了取模运算,置乱效果与变换次数无关,一次变换就能达到很好的置乱效果,并且能改变图像的灰度分布;
- To avoid the browning and death of explants after co-culture and improve the transformation frequency, it was necessary to add PVP 500mg/L to co-culture medium. N)在共培养基中添加 PVP 500mg/L,可防止外植体共培养后褐化死亡现象发生,促进转化频率的提高。
- The transformants were confirmed by opine analysis.The transformation frequency was about 5%. 根癌农杆菌对原生质体的转化能力与原生质体生长状态及菌株相关。
- The regeneration of all star strawberry was established in the study. Effects of different factors on the regeneration of strawberry leaves were compared, and the factors of affecting transformation frequency were also studied. 本研究以全明星草莓(All star)为试材,建立草莓叶片高频再生体系,比较了不同因素对草莓叶片再生能力的影响。
- Step 5: According to the sound spectrum, inversion of time-domain graphics. (With distortion) Step six: to carry out inverse Fourier transform frequency domain IFFT and painted graphics. 步骤五:根据该声音的频谱,反演时域图形 。(有失真) 步骤六:进行付立叶逆变换IFFT并画频域图形 。
- Subsequently, the explants were placed in turn onto MSBi, MSBz , MSBs containing Kan 50mg/L and Cef 500mg/L to be screened, and the transformants were obtained with transformation frequency amounting to 7.89%. 然后依次转入附加Kan 50mg/L+Cef 500mg/L的MSB_1、MSB_2、MSB_3培养基中进行筛选,获得抗性植株。 两个品种的茎尖转化率均为7.;89%25±。
- This equipment uses 80C31 singlechip to measuring and displaying the input frequency. The appropriative CMOS chip LM331 transforms frequency into voltage. 本设计用80C31单片机系统测量并显示输入频率,可预制量程,利用专用芯片LM331进行F/V变换,输出电压用ICL7135实时显示。
- After PCR analysis of To individuals, we found the transformation frequency of co-transformation plasmid pUC-MT2-15 and pACH20 was higher than pCAB2-15. After Southern hybridization, 4 T_0 individuals were confirmed being transformed by 1By15 gene. 在对1By15的基因枪法转化中,共转化质粒pUC-MT2-15和pACH20的转化效率明显高于pCAB2-15。 Southern杂交证明有4个转基因品系(T_0)有1By15基因的插入;
- The invention could regenerate transgene strain from absolutely maximum acceptor cell, and has high transforming frequency, and little feature variation of regeneration plant. 本发明能从绝大多数基因型的受体细胞中再生出转基因植株,且转化频率高,再生植株性状变异小。
- Species and varieties,transformation methods. target genes transformed,explants,transformation frequency andits influencing factors involved in citrus transgenic research are reviewed,And the prospect of research is also covered. 从柑橘种及品种、转化方法、导入的目的基因、转化所用的外植体、转基因频率及其影响因素等方面对柑橘转基因的现状进行了综述,并提出了下一步的研究重点。
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位,等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- The transformation of that project has been finished. 那个项目的改造已经完成。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- There was a noticeable transformation in his appearance. 他的容貌有了明显的变化。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Susceptible to transformation by growth and development. 能随成长而变形的对成长和发展的变化敏感的