Callus was efficiently induced from in vitro root segment devoid of rhizodermis on MS medium.
结果表明，以离体去皮根段为外植体，MS为基本培养基，诱导愈伤组织较为适宜。
The characteristics of root growth, nutrient uptake and utilization of a wheat albinism after reviving were studied with an in vitro experiment.
采用管栽试验研究了返青后小麦返白系根系生长及养分吸收利用规律。
Objective To establish a method for isolation and cultivation in vitro of human hair follicle outer root sheath cells.
目的建立毛囊外根鞘细胞的分离和培养方法。
Objective To investigate the effect of gravity and fluid viscosity on absorbent properties of standard paper points in simulant root canals in vitro.
目的研究重力和粘度因素对模拟根管中标准纸尖吸液性能的影响。
Objective To study the absorbent properties of standard paper point in simulant root canal in vitro.
目的研究模拟根管中标准纸尖的吸液性能。
This study showed that in vitro systems establish, transformed systems establish, the choiceness hairy root lines select and the optimal culture condition of hairy roots systems establish.
主要从以下几个方面进行研究：离体培养体系的建立、遗传转化体系的建立、优良毛状根系的筛选、毛状根最佳培养条件的建立。
Results The extract of spinal cord tissue of spared root rat could enhance the neurite growth of chick embryonal dorsal root ganglion(DRG) in vitro.
结果备用根大鼠脊髓组织提取液能够促进体外培养的鸡胚背根节（DRG）神经突起的生长；
The screening wheat mutant which has the resistance to root rot was completed in 37 varieties by in vitro induction mutation method.
利用离体诱变方法，对37份材料进行了抗根腐病突变体的离体筛选。
In in vitro propagation, root induction and bud formation need to be improved.
组培繁殖的难点是根系诱导和幼苗芽丛形成。
Vermiculite was the optimum medium for Rieger Begonia micropropagation in vitro, the survive rate of the root regeneration plant was 93.8%.
蛭石是丽佳秋海棠试管苗最佳的驯化移栽基质，其生根苗移栽成活率达到了93。8%。
L-1 with three kinds of support in vitro to induce to root, which are grit, sponge, and aga.
以非洲菊的无菌芽为试材，分别接种在以砂砾、海绵、琼脂为支撑材料的培养基中诱导生根，并统计移栽成活率。
Objectives To prepare flavonoids of Uraria crinita root and examine their anticancer effects in vitro.
目的制备虎尾轮根黄酮类提取物，观察其对肿瘤细胞的体外抑制作用。
Owing to the root-knot nematode is so small, can not be cultured, has a long generation, it is difficult to do research in vitro in interaction with the host.
由于根结线虫体积小，不能人工培养，世代长等难于进行体外与宿主的相互作用方面的研究，进展一直很缓慢。
Objective To examine the in vitro dissolution of chemical components of the coptis root powder of different granule diameters.
目的考察不同粒径黄连粉体化学成分体外溶出情况。
Objective To examine the in vitro dissolution of chemical components of the coptis root powder of different granule diameters.
目的考察不同粒径黄连粉体化学成分体外溶出情况。
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