NAA
- NAA的基本解释
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全国航空协会(美国)
- 更多网络例句与NAA相关的网络例句 [注：此内容来源于网络，仅供参考]
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As regards rooting from clumpy buds, only NAA can induce rooting and NAA 0.5 mg/L is the best hormone concentration, whereas 6-BA has negative effect, and active carbon has no effect in this study.
猜A可使康乃馨愈伤组织分化，添加适量NAA效果更好，6-BA 1.0 mg/L＋NAA 0.5 mg/L和6-BA 2.0 mg/L＋NAA 0.5 mg/L诱导的芽点最多；但6-BA对丛生芽来源的无根苗的生根起抑制作用，活性炭对生根并无帮助，而以NAA 0.5 mg/L的生根效果最佳。
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For the bud directly differentiation , the suitable culture medium was MS+BA 2mg/L +NAA 0.2mg/L or MS+TDZ0.01mg/L +NAA0.2 mg/L, of which the induction rate was 88% and 100% respectively. An efficient tissue culture system has been developed with the bud of mature seed of Aesculus hippocastanum L. as explants . Buds were induced from 2cm high young plantlet cultured on MS medium supplemented with 0.6 mg/L 6-BA plus 0.1mg/L or 0.4~0.6mg/L ZT plus 0.1 mg/L NAA for 15 d, and the induction rate was 100%, the mean No. of buds was 35.7; The combination of MS+0.2mg/L 6-BA +0.1mg/L NAA + 10mg/L AD was the suitable culture medium for elongation of the buds.
以欧洲七叶树成熟种子的胚芽进行离体培养和快速繁殖，结果表明：高约2cm的无菌苗在MS+0.6mg／L 6-BA+0.1 mg／L NAA或MS+0.4～0.6mg／L ZT+0.1 mg／L NAA培养基上培养15 d左右可诱导出不定芽，分化频率为100％，平均每株产芽35.7个；MS+0.2mg／L 6-BA+0.1mg／L NAA+10mg／L AD培养基有利于芽伸长；生根培养基为1／2MS+0.4 mg／L NAA+0.2mg／L IBA时，生根率可达75％。
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Results showed that B3(IBA+NAA, 300mg/L+300mg/L) was the best treatment in quantity and length of new roots, rate of radication and survival, distributing of roots length; Treatment B4(IBA+NAA, 500mg/L+500mg/L) took the second place; The following treatments in turn was D3 (NAA+VB1+cane sugar, 100mg/L+80mg/L+2%), D4(NAA+VB1+cane sugar, 300mg/L+80mg/L+2%), B2(IBA+NAA, 100mg/L+100mg/L), B1(IBA+NAA, 50mg/L+50mg/L).
结果表明：在生根数量，生根长度，根长分布及成活率和生根率上以处理B3(IBA+NAA，300mg/L+300mg/L)最好，其次是处理B4(IBA+NAA，500mg/L+500mg/L)。然后是处理D3（萘乙酸+维生素B1+蔗糖，100mg/L+80mg/L+2%）、D4（萘乙酸+维生素B1+蔗糖，300mg/L+80mg/L+2%）、B2(IBA+NAA，100mg/L+100mg/L)、B1(IBA+NAA，50mg/L+50mg/L)。
- 更多网络解释与NAA相关的网络解释 [注：此内容来源于网络，仅供参考]
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naa：中子激活分析
正常应为1,即椎体密度高于椎间盘;若RVD为零,说明两者密度相同,肯定有骨质疏松;若RVD为负数,则说明椎体密度比椎间盘还小,显示有严重骨质疏松;新的方法有用双光子吸收测量(DPA)、中子激活分析(NAA)、定量计算机断层扫
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naa：美国报业协会
在报纸印刷版日益缩水的时候,报业网站的访问量却在迅速攀升,网络广告成为报业焕发生机的法宝. 在过去的两年里,网络广告的增幅都在70%以上,美国报业协会(NAA)数据表明,美国报纸网站的收入再创历史新高...
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naa：中子活化分析
4.1 中子活化分析(naa)是确定物质元素成份的定性和定量的分析方法,它具有很高的灵敏度和准确性,能够在微克和纤克(毫微克)的范围内检验元素. 在gsr的检验中,naa用于检验射击者手臂上的锑和钡的存在和数量. 这些元素是许多子弹底火的成份,