查询词典 polygonum

Objective: To study the effect of light intensity on the callus induction and resveratrol content of Polygonum cuspidatum .

中文摘要：目的：研究光照强度对虎杖愈伤组织的诱导形成及其白藜芦醇含量的影响。

Willowleaf knotweed(Polygonum bungeanum Turcz.), Heartleaf cocklebur(Xanthium strumarium L.) at the dosage of 300～450 g/hm~2.The control effects of weed plant were 83%～89%,and those of fresh weight were 93%～98%.The opti...

适宜的施药时期为春小麦出苗后4~5叶期，阔叶杂草基本出齐，株高不超过5 cm，适宜的用药量为15%噻磺隆可湿性粉剂不低于300 g/hm2，在此推荐剂量下对春小麦安全。

Exposure to 100 days would be grouped mice:treatment 1,treatment 2 group,model group,a separate normal group,a group with administration of polygonum multiflorum thunb oral treatment of compound preparation,rule 2 group traditional Chinese Medicine Haierfu row metal treatment as a treatment for oral gavage control group,model group and normal group administered with distilled water for volume control.100 days after treatment and exposure at the same time until the end of the experiment.

染毒到100d开始将染毒小鼠分组：治疗1组、治疗2组、模型组，另设一正常组，治疗1组用何首乌复方制剂灌胃治疗，治疗2组用排重金属中药制剂海尔福口服液灌胃治疗作为治疗对照组，模型组和正常组用等体积蒸馏水灌胃作正常对照。100d后治疗与染毒同时进行，直到实验结束。

Pollens of Polygonum convolvulus P. multiflorum P. cuspidatum were examined by transmission electron microscope and technique of ultrathin section. The results of thin section indicate pollens of P.

为此，本文以花粉壁的内部结构为重点，用透射电镜的薄切片技术，对广义蓼属蔓蓼组的4种植物花粉外壁构造的特点进行了观察和研究。

Such as Polygonum, Dahlia ...

如何首乌、大丽花。。。。

Observing the mature embryo sac of the mutant: It was found thatthe embyo sac appeared in typical polygonum type and more than 90% of the embryo sac hadintegral inner structure. They had egg apparatus, two polar nucleus and three antipodal cells , and their position in the embryonic sac was normal .

幼穗分化、成熟胚囊观察发现，90％以上的胚囊具有完整的内部结构，有卵器、两个极核及多个反足细胞，且位置正常，胚囊呈现典型的蓼型结构；同时还观察到雌、雄器官的发育是同步的。

The other cells of the tetrad undergo degeneration. The mature embryo sac consists of an egg apparatus, a central cell, and 3 antipodal cells. The embryo sac is a monosporic Polygonum type. The zygote develops into a mature embryo going through proembryo, globular, heart, and torpedo stages.

胚囊发育类型为单孢子蓼型胚囊； 2胚的发育经过原胚、球形胚、心形胚和鱼雷胚等阶段发育为成熟胚；胚柄在球形胚时期最发达，但胚柄短小，只由3个扁平细胞组成，之后逐渐退化。

The development of the embryo sac is Polygonum type with numberous ...

小穗发育雌雄异熟，雌蕊的发育早于雄蕊的发育。

The development of the embryo sac belongs to the 'polygonum' type.

通过花粉电镜扫描，发现锥栗具有丰富的遗传多样性。

The development of embryo sac is of the Polygonum type.

珠孔受精，受精作用属于有丝分裂前类型。

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。