查询词典 NAA

Especially,in the medium of 1/2MS ＋ NAA 0.1 mg/L, the regrown shoots without roots of＂ Baltimore oriole ＂induction rate and the number of the roots both are the best, roots induction rate reached to 100% in 17 days.

红运&在0.1mg／L NAA的培养基上，生根数量和生根率都最好，17天生根率达到了100％；而&奶油卷在0.05mg／LNAA的培养基上，21天生根率达到100％。

In order to provide a theoretical base for rapid clonal propagation of new variety of Hemerocallis middendorfii（＂Baltimore oriole＂,＂ Bettry woods＂）that was imported from foreign countries, 1/2MS media containing different concentration of NAA and IBA were used to regenerate from Hemerocallis middendorfii re-grown shoots without roots.

为了快速繁殖从国外进13的大花萱草新品种，本试验中以&红运&、&奶油卷&无根试管苗为材料，以1／2MS为基本培养基，加入不同浓度的NAA和IBA作为外源激素，对大花萱草进行生根诱导。

The results showed that the most important factor affecting on inducing caespitose shoots is sucrose, next is 6-BA、NAA, the lest one is CH.

结果表明：蔗糖对丛生芽诱导影响最大，其次是6-BA，NAA、CH影响较小。

The callus induction of licorices was easy. And the MS+1.0 mg/L NAA+1.0 mg/L 2, 4-D +1.0 mg/L 6-BA was the best medium to cotyledons, hypocotyls and radicles. And all the induction rates were 100%. 4. In the study of callus regeneration, only obtain the regeneration plants of hypocotyls callus,and its frequency was 4.57%.

甘草离体再生中愈伤组织的诱导较为容易，三种外植体子叶、下胚轴和胚根均以MS+1.0 mg/L NAA+1.0 mg/L 2，4-D+1.0 mg/L 6-BA为愈伤组织诱导的最佳培养基，在此培养基上，3种外植体愈伤组织诱导率均达到100%。

To improve the efficiency of Oxalis triangularis purpurea breeding, this study is done by leaf explant. 0.5 mg/L 6-BA and 0.5 mg/L NAA are added to the culture based on the last study. KT and 2,4-D concentrations impact on Oxalis triangularis purpurea regeneration system by "one-step method" are further studied.

为提高三角紫叶酢浆草的育苗效率，以三角紫叶酢浆草叶片为材料，在现有研究的基础上，采用固定配比的6-BA(0.5mg/L)和NAA(0.5mg/L)，研究了KT、2，4-D对&一步法&诱导三角紫叶酢浆草再生体系的影响。

On the basis of investigating the resource and utilization of Iris plants in Nanjing, Hangzhou and Wuxi, the paper selected five plants: Iris pseudacorus、 Iris sanguinea、 Iris kaempferi、 Iris japonica、 Iris tectorum to find their tissue culture technology and shade tolerance with lots experiments. The results were summarized as follows:In the culture of Iris sanguined, The shooting tip in the spring and the medium supplemented with 6-BA(1mg/L)+NAA(0.2mg/L) testified the best grouping.

本文在对南京、杭州、无锡等地鸢尾属植物及其园林应用实地调查的基础上，以黄菖蒲、溪荪、花菖蒲、蝴蝶花、鸢尾等五个种为实验材料，从其部分种的组织培养技术和耐荫性两方面入手，通过大量的实验并对所得数据进行统计分析，得出以下结论：溪荪的组织培养中，以春季萌发的茎尖为外植体，以MS培养基附加低浓度的6-BA(1mg／L)与NAA(0.2mg/L)为最佳的诱导分化的组合。

The results showed that pollen in differentfamily or genus of plant have different requirements for phytohormones.The basicmedium of pollen culture supplemented with 2ppm NAA and GA_3 can promotes thepollen germination in Cruciferae.It has been proved that basic medium supplemtedwith 2ppm IAA and GA_3 has special effect on pollen germination and elongation ofpollen tube of woody plant in Rosace...

结果证明：不同科属的植物花粉对激素的要求不同，如在花粉萌发的基本培养基上加2ppm的NAA和GA_3混合液对十字花科植物花粉有促进作用，加2ppm的IAA和GAa_3混合液对蔷薇科木本植物花粉萌发和花粉管伸长有显著效果，而葫芦科植物的花粉在基本培养基上只要有无机盐离子就可以萌发，激素仍有促进花粉萌发的作用。

The results showed that there was most distinct difference in rooting rate among seedling varieties, rooting substrates, among them, substrate mixed with cultivate soil and peat soil in proportion of 7-3 was the best one , 500mg/l NAA and IBA solutions had no distinct effect on enhance rooting, covered with plastic membrane had most distinct excelled to which covered none.

结果表明，不同苗木品种的生根成活率差异极显著；不同基质的生根成活率差异极显著，其中以耕作土加泥炭土按7：3混合的基质效果最好；500mg/l NAA和IBA溶液处理对生根没有显著作用，扦插后覆盖塑料薄膜的生根效果极显著优于不覆盖薄膜处理。

For multiplication of PLBs, the effects of NAA, Sucrose, Maltose, Thiamine HC1, Pyridoxin HC1 were examined by orthogonal rotation combination design.

对于类原球茎的增殖，试验采用二次正交旋转组合设计法探讨了五个因素(NAA、蔗糖、麦芽糖、VB_1、VB_6)对蝴蝶兰类原球茎增殖的影响。

The results were as follows:1 The explants with two phyllomes(about 0.2-0.5mm in size )were found to be suitable for virus-free seedling culture , which were cultured on solid MS medium supplement with 6-BA,NAA and IAA ,The result indicated that the plantlet was over 30% after three months.

主要结果如下： 1。取带2个叶原基(长度约为0.2-0.5mm)的茎尖为外植体，在附加6-BA、IAA和NAA的MS培养基上进行3个月的培养，成苗率达30％以上。另外，在切取茎尖前对薯苗热疗(37℃)4周，在基本不影响成苗率的同时，可大幅度提高脱毒率。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐