查询词典 adventitious

The Plant tissue raise is the plant sterile culture technology, has the totipotency theory according to the vegetable cell, the use plant body exsomatize organ (for example root, stem, leaf, stem point, flower, fruit and so on), the organization (for example cambium, epidermis, cerebral cortex, marrow department cell, endosperm and so on) or the cell (for example big spore, small spore, somatic cell and so on) as well as the protoplast, in aseptic and suitable artificial culture medium and illumination, temperature and so on under artificial condition, can induce injuries the organization, not to decide the bud, the adventitious root, finally forms the complete adult plant the discipline.

植物组织培养即植物无菌培养技术，是根据植物细胞具有全能性的理论，利用植物体离体的器官(如根、茎、叶、茎尖、花、果实等)、组织（如形成层、表皮、皮层、髓部细胞、胚乳等）或细胞（如大孢子、小孢子、体细胞等）以及原生质体，在无菌和适宜的人工培养基及光照、温度等人工条件下，能诱导出愈伤组织、不定芽、不定根，最后形成完整的植株的学科。

The root division was affected by the IAA and iPAs, and the adventitious root formation needed the low level of IAA and CTK. Fourthly, the study on the DNA content in callus of different types and concentrations of estrogen treatment can show that nuclide was a standard of changes of Cardiocrinum giganteums cell.

4通过对不同激素种类和浓度处理中愈伤组织核酸含量变化研究，表明核酸可作为大百合形态发生的标志，大百合愈伤组织分化前RNA含量增加，DNA含量下降，愈伤组织内RNA的升高，标志着细胞分化的物质合成。

Various concentrations of thidiazuron and indoleacetic acid gave rise to adventitious shoots with different efficiencies.

在和噻苯隆搭配使用时，蚓噪乙酸是IAA、蚓噪丁酸、奈乙酸和2，4-D等四种生长素中效果最好的。

The regenerations adventitious bud was the better experimental materials compared with the callus of leaves.

不定芽的适宜诱变剂量为50~60Gy，由回归方程导出其致死剂量为122Gy，半致死剂量约为76Gy。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。