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- Morphological and physiological maturities of somatic cells directly affect plantlet germination and plantlet regeneration frequency. 体细胞胚在形态和生理上的成熟，直接影响到植株的萌发和再生频率。
- Studies on the enhancement of plant regeneration frequency in Brassica napus in vitro culture. 提高甘蓝型油菜离体培养再生频率的研究。
- The results showed that the cotyledon cultured for 3 days has the highest regeneration frequency of 95.5%,when it was placed in the MS basic medium supplemented with BA0.4mg/L. Furthermore,adventitious bud was appeared after 12 days culture. 结果表明:以MS为基本培养基;附加BA0.;4mg/L处理时;3d苗龄的子叶的分化频率最高;可达95
- Culture temperature 24-28 ?, light time 16h, explant light side towards up, the proporationable hormone concentration with MS+2.0mg/lBA+4.5mg/lAgNO3 were the optimum conditions, under which shoot regeneration frequency could reach 92%. BA是西瓜子叶再分化必需的物质，AgNO_3有效提高芽分化率，两激素浓度的最佳配比为MS+2.;0mg/lBA+4
- However, too hypo regeneration frequency restricted transgene project developing of grape now. Conquering this conundrum and improving regeneration became the hot spot research in grape biotechnology breeding. 但是葡萄转基因工程目前发展的瓶颈是葡萄再生频率低,突破再生频率这一难题,使其高效地再生是葡萄生物技术育种在当前的研究热点。
- Shoots regeneration frequency increased significantly when cotyledons were preconditioned in MSB5 medium with 1 mg/L 2,4-D and 1 mg/L BA for 3 days and then cultured in MMO medium containing 4.5 mg/L BA. 将子叶在附加1 mg/L BA和1 mg/L 2，4-D的MSB5培养基中预培养3天，再转入含有4.;5 mg/L BA的MMO培养基中培养，可显著增加芽再生率，并且可将再生周期比对照缩短1/3。
- The regeneration frequencies of Jinyan 4 and Jinyan 7 were up to 92.97% and 82.43% respectively on the MS medium supplemented with 2.0 mg/L BA, 1.0 mg/L ABA and 2.0 mg/L AgNO3. 4. 4.;在MS附加激素2
- The green shoot regeneration frequencies were 0.37% with PPA-based one-step medium, 0.21% with M8 medium and 0.14% with SH medium. It indicated that the PAA based one-step medium was most effective in the anther culture of indica genotypes. 其中，一次成苗培养基、M_8培养基和SH培养基花培绿苗率分别为0.;37%25，0
- 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。
- Du bleibst bei uns, bis der Regen aufh?rt. 你留在我们这里，等到雨停吧！
- Manchmal gibt es ziemlich starken Regen. 有的时候雨很大。
- Does not trigger in combat Mana Regen. 王导当即表示同意，并同意由他挑选。
- Es siehtnach Regen aus.Gehen wirsofort weg! 要下雨了故宫的神思故宫英文介绍，我们快走吧。
- With her help, Raskolnikov began his regeneration. 在她的帮助下，拉斯柯尔尼科夫开始了新生。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- 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。
- Too much oxygen can also block regeneration. 过多的氧也可阻碍再生。
- Our skin has the ability of regeneration. 我们的皮肤具有再生功能。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
