In order to probe the cause of excessive multiplication of Anabaena flos-aquae and management.
鱼腥藻是淡水蓝藻水华中除微囊藻之外的常见优势种群,迄今国内针对蓝藻水华的研究重点主要集中在微囊藻水华及其产生的肝毒素上,对于鱼腥藻等其他水华种类的研究较少,为了探究水华鱼腥藻过度繁殖的原因和形成水华后如何治理,本文研究了以下几个方面。
The results show that: Camellia oleifera from flower bud to seed mature need 500 days, the reproductive process includes five periods and two characteristics: flowers meet with fruit and pollen tube germinates quickly; flower period or flower open time not meeting is a main factor that influent pollination and flower drop; Overcast and raining, low temperature are also main climate factors; Water.
本文着重研究了普通油茶 (Camellia oleifera Abel)霜降类型及其优良单株生殖器官的形态结构及其生殖过程 ,并对油茶的生殖生态开展了一个周期 (5 78d)的研究。
Sows are immature for the majority of their breeding life.
母猪在它大部分繁殖过程是不成熟的。
Characterized by the fusion of unlike gametes in the reproductive process.
异配生殖的以在繁殖过程中不同的配子结合为特征的
It is necessary to impose control over those aspects of reproduction which are open to manipulation by nutrition.
需要严加控制繁殖过程，而这个过程是容易受营养影响的。
Cruelty and the fighting instinct have not yet been bred out of the human species.
残忍和好斗的本能还没在人种的人工繁殖过程中消除。
These compounds are all intimately involved in the growth and reproduction of the plant.
这些化合物全部直接参与了植物的生长和繁殖过程。
The Design and Realization of Assistant DecisionSupport System of Cow Reproduction Process in Heilongjiang Province;
黑龙江省奶牛繁殖过程辅助决策支持系统的设计与实现
(of reproduction) characterized by asexual processes.
（指繁殖）无性生殖过程。
The Study about Scale Propagation of Lan Zhou LiLy and the Forming Process of Small Bulbs;
兰州百合鳞片繁殖及小鳞茎形成过程的研究
Ecological Analysis on Clonal Reproduction and Dispersal of Exotic Species, Rhus Typhina
外来树种火炬树克隆繁殖扩散过程生态学分析
growth by the rapid multiplication of parts.
生物体通过其局部的快速繁殖而进行的生长过程。
Very little is known about when whale sharks become sexually mature, and exactly how they reproduce.
关于鲸鲨的性成熟和繁殖的详细过程，现在知道的微乎其微。
What is overlooked in the arguments about the morality of artificially reproducing life is the fact that at present, cloning is a very inefficient procedure.
关于人工繁殖生命的争论忽略了目前克隆过程效率低的事实。
Most flowering plants need pollination to reproduce.
大部分开花植物都需要传播花粉这个过程来繁殖。
STUDIES ON THE TWIN-SCALE PROPAGATION OF CHINESE SACRED LILY I.THE MORPHOGENESIS OF BULBLETS AND THE DEVELOPMENT OF PLANTLETS
水仙双鳞片切块繁殖的研究 Ⅰ.小鳞茎的形态发生和成苗过程
The Study of Propagule Development and Seedling Growth in Some Mangrove Species;
几种红树植物繁殖体发育和幼苗成长过程的生理生态学研究
Populus Euphratica Reproduction Characteristics of a Degradation Oasis Vegetation in the Extreme Arid Regions;
极干旱地区绿洲植被退化过程中胡杨繁殖特性研究
Study on the Growth and Reproduction of Earthworm in the Process of Treating Activated Sewage Sludge in Wastewater Plant;
利用蚯蚓处理污水厂活性污泥过程中蚯蚓生长繁殖的研究
The Relationship between Developmental Processes of Reproductive Organs and Infection Quantity of Endogenous Rhizobia
苜蓿繁殖器官发育过程与内生根瘤菌侵染数量的关系