positive heliotropism是什么意思

网络释义

用法例句

Flower heliotropism is a type of plant behavior whereby the corolla or inflorescence tracks the sun by bending or rotating its peduncle.

主要概述了植物(尤其是高山植物)的花向日性生物学特性、运动行为及其生态适应意义,并结合作者已开展的工作,对进一步深入研究花的向日运动提出一些有益的建议。

Growth or orientation of a sessile organism, especially a plant, toward or away from the light of the sun.

向日性，向光性无柄有机体，尤指植物的向日光或偏离日光而成长或定位

Heliotropism A form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky.

向日性：趋光性的一种类型，植物的花在一天内朝向太阳，并随着日光照射的方向而转移方位。

Phototropic Responsive Property in Seminal Root of Sunflower (Helianthus annuus L.) and Its Influence Factors;

向日葵种子根的向光反应特性及其影响因素

Study on Extraction and Isolation of Bioactive Chemical Constitutes in Root of Helianthus Annuus;

向日葵根中活性成分的提取分离研究

A Study on the Factors Limited Japan to be the Political Power;

日本走向政治大国的制约性因素探析

Drought resistance of sunflower in bud and seedling emergence stage

向日葵芽期、苗期抗旱性鉴定方法研究

The Direction of the Japanese Development of Preschool Education in the Future:Integration and Continuity;

日本幼儿教育今后发展的方向:整合性与连续性

Trial on Correlation of Organs Color of Edible Sunflower and Its Observation of Disease Resistance

食用向日葵器官颜色的相关性及抗病性观察

The Variation of Monosyllabic Honji and Hansa as Predicate In Korean and Japanese

试论朝鲜语和日语谓词单音节汉字词的倾向性

Study on the Occurrence Rule of Sclerotinia Sclerotiarum in Sunflower and Induced Disease Resistance in Xingjiang;

新疆向日葵菌核病发病规律及诱导抗性的研究

The Value Orientation of the Economic News and Its Realization at the Present Turning Period;

转型期综合性日报经济报道取向及实现

Study on Extraction and Physical-chemical Properties of Pectin from Sunflower Head;

向日葵盘果胶的制备及其理化性质的研究

The Tendency of Realism and Philosophize in the Japanese Occupied Zone During the Anti-Japanese War Period;

抗战时期日占区诗歌的写实性与哲理化倾向

Internationlized Trend of Japanese Culture and Its Nation s Deep-rooted Obstruction;

日本文化的国际化走向及其民族根性障碍

On the Historical Inevitability of the Northeast Army from Civil War to Ally the Communist Party and Resist Japan;

试论东北军从内战转向联共抗日的历史必然性

Studies on the Tendentiousness of Asahi News's China Reports in Yasuo Fukuda's Term

福田时期《朝日新闻》涉华报道倾向性研究

Effects of cadmium on the growth and physiologi calcharacteristics of sunflower seedlings

镉胁迫对向日葵幼苗生长和生理特性的影响

Climatic Regionalization of Sunflower Suitable Planting Based on GIS in Hetao

基于GIS的河套灌区向日葵气候适宜性区划