We have selected a kind of bivalves, Corbicula fluminea, which commonly distributes in the tidal flats of Changjiang estuary, as the study material in this research work, and analyzed the effects of seasonal variation and individual size on Zn, Cu, Pb, Cd and Cr accumulation in that kind of bivalve.
以长江河口湿地生态系统一种习见的大型底栖动物河蚬 Corbicula fluminea 为研究对象,分析了季节变化和个体大小对河蚬积累 Zn, Cu, Pb, Cd 和 Cr 的影响。
, individual size of length and width) and abundance of YLES in BPH from different geographic populations (i.
采用冷冻切片技术结合显微摄像系统观察法测定不同地理种群褐飞虱体内共生酵母菌的个体大小和数量。
The relationship between the weight of reproductive structure, reproductive allocation and individual size of Elymus nutans at different densities was studied in the present paper.
研究了垂穗披碱草在不同密度条件下的繁殖能力与个体大小的关系。
Effects of temperature on population growth and body size of Hydra sp.;
温度对水螅种群增长和个体大小的影响
Provided that organisms are of a self-similar fractal-like network and their metabolic process follows laws of mass and energy conservation, and that energy distributes within organisms with least cost, West, Brown and Enquist(1997)proposed a 3/4 scaling relationship between metabolic rate and body size, i.
WBE模型,以及以该模型为基础的MTE模型,假设生物体为自相似分形网络结构,提出代谢速率和个体大小之间存在3/4指数关系,分别预测了从个体到生物圈多个尺度上的生物属性之间的异速生长关系,而且部分得到了验证。
Based on the sex determination of Hymenoptera parasitic wasps that unfertilized egg develops into a male while fertilized egg develops into a female, the insemination potential of male Trichogramma ostriniae and its relationship with body size, age and the number of copulations were studied.
根据膜翅目寄生蜂未受精的卵发育为雄性个体,受精卵发育成雌性个体这一性别决定机制,考察了玉米螟赤眼蜂雄蜂生殖力的大小,探讨了雄蜂授精能力与个体大小、年龄及交配次数之间的关系。
The annual dynamics of Brachionus (Rotifera) populations in Lake Jinghu of Anhui Province, China was studied in the year 2003, and the relationships between their body volumes, egg volumes as well as relative egg volumes and the ecological factors including water temperature, Chl-a concentration were regressively analyzed.
对镜湖臂尾轮虫种群的周年动态进行了研究,测量和分析了它们的个体大小、卵大小和相对卵大小及其与水温和叶绿素a浓度等生态因子间的关系。
Individual miniaturization is the basic .
定义植物个体小型化是在草原过度放牧条件下 ,草原植物植株变矮 ,叶片变短、变窄 ,节间缩短 ,以及根系分布浅层化等性状的集合。
The variety of different tissue cell size and it s quantity in leaves of Stipagrandis, Leymus chinensis, Agropyron michnoi, Carex korshinskyi and Alliumbidentatum in different restoring succession was studied by means of paraffin sectioncombined with GIS image Software, to revealed the inherent mechanism ofcommunity s individual miniaturization.
本文首次将GIS软件应用到植物解剖学研究中,对处于不同恢复演替阶段的大针茅(Stipa grandis)、羊草(Leymus chinensis)、米氏冰草(Agropyron michnoi)、黄囊苔草(Carex korshinskyi)、双齿葱(Allium bidentatum)等五种植物叶不同组织细胞的大小(或厚度)和部分组织细胞的数量变化进行了动态分析,在组织细胞水平上揭示了退化群落个体小型化的内在机制。
Aims Our objective is to determine whether 1) characteristics of gazing-induced individual miniaturization differ among plant species and across grassland communities,2) miniaturized plants have detectable changes in resource allocation,and 3) grazing-induced changes in plant resource allocation affect ecosystem functioning at the plant community level.
过度放牧引起的植物个体小型化改变了生态系统中物种的资源分配策略,进而对生态系统功能产生重要的影响。
An individual of unusually small size.
矮人不寻常地矮小的个体
a small elite group.
一个小的中坚分子团体。
The prostate is a small gland about the size of a walnut.
前列腺是一个胡桃大小的小腺体。
A small party was made up.
我们组织了一个小小的团体。
a little dining room; a small house; read the small print; a little (or small) group.
小饭厅;小房子;阅读小册子;一个小的(或很小的)团体。
The prostate is a small gland in men.
前列腺是男性体内的一个小腺体。
“Walking” and Experience:the Individual Style of Zhu Wen’s Novel;
“行走”与体验:朱文小说文体的个性特征
The general well-off level is one that emphasizes material consumption.
总体上的小康是一个偏重于物质消费的小康。
He is a robust young man.
他是个身体健壮的小伙子。
A very small object, creature, or particle.
微粒、微物一个很小的物体,动物或粒子
The child's temperature is above normal.
那个小孩的体温高於常温。
As I passed his room, there was my faithful friend in the doorway.
这是一个肤色稍黑,身体瘦小的男人。
The solar system is one small system in the whole of the Milky Way.
太阳系是银河系中一个小的天体系统。
The smallest bacterium is that complex.
最小的细菌就是这样一个综合体。
Divides form into four sizable panes.
.将窗体分为四个大小相当的长方块。
They organized a little club for the study of history.
他们组织一个研究历史的小团体。
a characteristic language of a particular group (as among thieves).
一个特殊群体特有的语言(如小偷)。
small genus of dioecious tropical aquatic plants.
雌雄异体热带水生植物的一个小属。