查询词典 NAA

Based on the tissue culture, the effect of N-phenyl-N＇-1,2,3-thiadiazol-5-ylurea, 6- benzyla minoprine（6-BA） and 1-Naphthylacetic acid on spore germination, protonema develop- ment and bud differentiation in Entodon challenged was investigated in this paper. The whole process was observed and taken pictures. The results show that TDZ, 6-BA and NAA have no significant effect on the spore germination. During the process of protonema development, 1.0 mg/L NAA can promote the primary development of protonema significantly, and 0.4 mg/L TDZ promotes branches formation in inter- mediate stage of the protonema development.

：研究了3种植物生长调节剂苯基噻二唑基脲、6-苄基腺嘌呤（6-BA）、萘乙酸对密叶绢藓孢子萌发、原丝体发育及芽体发生的影响，并对整个发育过程进行了显微观察和照相，结果表明：（1）3种植物生长调节剂对密叶绢藓孢子萌发影响不显著；（2）在原丝体发育阶段，1.0mg／LNAA对原丝体初期的发育促进效果显著，0.4mg／LTDZ对原丝体发育中期分枝的形成促进效果显著，6。

In the study, embryo bud of Impatiens balsamina L was cultured on hormone-free MS medium for promoting, MS medium with 6-BA 3 mg/L+NAA 0.5 mg/L for shoot and root formation, and MS medium containing 6-BA 3 mg/L+NAA 0.5 mg/L for flowering respectively. During about 60 days, plant regeneration and flowering of Impatiens baisamina L was finished in vitro.

研究以凤仙花无菌苗胚芽段作为外植体，经过不含任何激素的MS(0)培养基预培养、MS+6-BA3mg/L+NAA0.5mg/L培养基的诱导芽和根分化、MS+6-BA1mg/L+NAA0.1mg/L培养基的诱导开花，在60d左右实现了凤仙花离体培养再生植株并在试管内开花。

The inducing rate was 94.5%; the optimal medium for the inducting rate of fasciculated shoot was MS+1.0mg/L6-BA+0.5mg/LNAA+stem section with bud, The inducing rate was 37.5%.

诱导愈伤组织的最佳组合为MS+1.0mg/L BA+1.0mg/L NAA+0.5mg/L 2，4-D+叶片，其诱导率为94.5%；诱导丛生芽的最佳组合为MS+1.0mg/L 6-BA+0.5mg/L NAA+带芽茎段，其诱导率为37.5%，增殖培养中，以MS+1.0mg/L BA+0.05mg/L NAA效果最好，增殖率为460%，当株高在2cm以上时，转入1/2MS+0.8mg/L IBA+0.2mg/L NAA生根培养基上，接种30d后，生根率可达90%，移栽成活率达92%。

The optimal condition of regeneration system in vitro culture of lettuce was Murashige and Skoog\'s medium supplemented with 0.2 mg/L 6-benzylaminopurine,0.1 mg/Lα-naphthaleneacetic acid,and using the cotyledons of seedling with 2～3 days-old as explants.The interaction of BA×NAA played an important role in the expression of regeneration responses.

生菜离体培养再生芽的最优分化条件组合为MS附加BA 0.2 mg/L，NAA 0.1 mg/L，外植体为2～3 day的子叶；其中，BA及NAA的交互作用对植株再生有重要的影响。

More efficient induction of embryogenic cultures was achieved from the immature zygotic embryos sampled on June 30, Inducing rates reached 97.22%.

0.3 mg·L~（-1）2，4-D+0.2 mg·L~（-1）NAA为胚性愈伤组织保持和增殖的最佳激素组合浓度。2，4-D与NAA的交互作用对胚性愈伤组织增殖存在显著影响。

The effect of three hormones on bulb scale propagation of two lilium oriental cultivars 'Sorbonne' and 'Tiber' was studied. The three hormones were IBA+2%NAA, IAA and NAA. The concentration were all 150 mg/L.

将'索蚌'和'提伯'两个百合品种的鳞片在浓度为150 mg/L的吲哚丁酸＋2%萘乙酸、吲哚乙酸和萘乙酸三种激素中浸泡处理后，再进行鳞片包埋繁殖试验。

JP2Rhodium of 10-9 level was accurately measured by NAA combined with lead fire assay, and 10－10 level was accurately measured by NAA combined with nickel sulfide fire assay.

铅试金中子活化法可实现10－9铑含量的准确测量，镍锍试金中子活化法可实现10－10铑含量的准确测量。

The research on the tissue culture and cell suspension culture showed that thesuitable culture medium for inducing bud was MS supplemented with 1.5mg/L 6-BAand 0.1mg/L NAA, and for the generation-continuing multiplication was MSsupplemented with 1.5mg/L 6-BA and 0.2mg/L NAA. The rooting medium was1/2MS supplemented with 0.5mg/L IBA and the rooting rate was 45.0%. Plantletsurvival after transfer to sand was 52.5%.The induction rate of calli was66.7%～86.6% and the optimum medium was MS medium with 0.5mg/L 6-BA and2.0mg/L 2,4-D. The calli became smallest partical size, friable and had gooddispersion ability after 3 times successive transfer culture, the optimum medium wasMS medium with 0.2mg/L 6-BA and 2.0mg/L 2,4-D. Culturing these particles on sixkinds of MS liquid media with different hormone contents, the optimum medium wasselected basing on he change of the density of single-cell, the density of cellaggrefate and the mass of cell.

对蒜头果进行的组织培养与细胞悬浮培养研究结果表明：MS+6-BA1.5mg／L+NAA0.1mg／L+蔗糖3％激素组合能够较好地诱导芽的初始分化和增殖，适宜的芽苗继代增殖培养基为MS+6-BA1.5mg／L+NAA0.2mg／L+蔗糖3％；采用1／2MS+IBA0.5mg／L+蔗糖3％为生根培养基，生根率为45.0％；移栽到河沙的生根苗成活率为52.5％；愈伤组织诱导率为66.7％～86.6％，其中以MS+6-BA0.5mg／L+2，4-D2.0mg／L+蔗糖3％的培养基最佳，其诱导出的愈伤组织具有较强的增殖能力和较好的脆散结构，最佳继代培养基为MS+6-BA0.2mg／L+2，4-D2.0mg／L+蔗糖3％，且培养基中的6-BA与2，4-D浓度的比值越小，愈伤组织生长越快，结构越脆散，增殖率越高；将继代后的愈伤组织转入6种含不同激素浓度组合的MS液体培养基中进行振荡培养，在综合分析各培养基的单细胞密度，细胞团块密度，细胞生物量增长率等指标后，初步筛选出MS+6-BA0.2mg／L+2，4-D2.0mg／L培养基为较好的液体培养基。

The results showed that the concentration and combination of 6-BA and NAA in MS medium had obvious effects on induction of callus, adventitious root and adventitious bud from shoot tip explants of purple-colored sweet potato.

结果表明，培养基中6-BA和NAA浓度和配比对紫色甘薯茎尖培养的愈伤组织、不定根和不定芽的诱导有明显影响。6-BA可促进不定芽的诱导，附加1 mg/L 6-BA的MS培养基为最佳诱芽培养基。

Result The results indicated that the effects on Qixinghong of gibberellic acid 800 mg/L+spermidine 70 mg/L treatment was obvious, followed with 6benzyladenine 150 mg/L+naphthalene acetic acid 60 mg/L treatment.

结果］结果表明，GA 800 mg/L+Spd 70 mg/L处理七星红山茶的效果较好，BA 150 mg/L+NAA 60 mg/L次之；GA 500 mg/L+BA 120 mg/L处理红芙蓉山茶的效果较好，GA800 mg/L+NAA 80 mg/L对红芙蓉山茶有一定的促进作用。

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