There are significant differences in growth in the young tree stage among different provenances of Sea Buckthorn and the differences are obvious with different geographic population variation.
试验表明,沙棘不同种源的营养生长和生殖生长以及果实生化成分都存在明显的差异。
The human population contains a great variety of genetic variation, but drugs are tested on just a few thousand people.
人类群体中有各种各样的基因变异,但是药物只在几千人身上进行测试。
Each group carried only a subset of the genetic variation from its ancestral population.
每个族群只携带有他们祖先群体中遗传变异的一部分。
However, due to a considerable variation in land area, 1 population density and climatic, geological and topographical conditions, the extent of forest cover differs greatly among the island states.
然而,由于各岛屿国家的陆地面积、1人口密度、气候、地理地形条件等有很大差异,它们的森林覆盖程度也有很大差别。
Pharmacogenomics is the study of the stratification of the pharmacological response to a drug by a population based on the genetic variation of that population.
药物遗传学是基于人群的遗传变异研究该人群对药物的遗传反应的分别。
The culture of Mongolia could be described as homogeneous; there is little variation within the population.
蒙古的文化可以说是很单一的,变化很少。
Researchers have long known that modern humans lack the genetic variation found in other living primates, such as chimpanzees or gorillas, even though our current population size is so much larger.
科学家以前就知道,虽然我们人口众多,但现代人不像其它现存的灵长类动物(比如黑猩猩和大猩猩)有那么多遗传变异。
The Ecuadorian population examined by Kronforst and his colleagues shows the same white and yellow variation found in Costa Rica but has not yet reached a level of strong reproductive isolation.
通过科瑞·福特斯和他的同事的调查得出,厄瓜多尔的蝴蝶种群与哥斯达黎加的蝴蝶种群一样,都具有白色与黄色种群的变异,但是并未达到一种显著的生殖隔离的水平。
From population level to functional group level, and then to community level, the yearly-variation of aboveground biomass minimizes gradually and stability increases.
从植物种群水平、植物功能群水平到群落水平,地上生物量的年度间变异性逐渐降低,稳定性逐渐增加。
Usually duplication of the entire population will be made after selection or before variation.
通常在选择或者变异之后,会做整个种群的副本。
This locus showed significant correlation to waterlogging tolerance of the population, explaining 13 9% of total phenotypic variation.
群体分析表明,该多态性位点与耐湿性呈极显著相关,它所解释的耐湿性表型变异为13 9%。
The ground base was evaluated and analysed by using biological index and variation of population of benthon which are effected by bottom water and mud environment.
以底栖动物作为底层水环境和底泥环境长期影响的指标,利用生物指数和种群结构的变化对底质进行评价和分析。
Therefore, understanding the morphological and molecular variation of different geographic population of roe deer is important for us designing conservation strategies.
因此,深入了解目前狍各地理单元种群的分子变异,可以为我们制定保护策略提供重要的依据。
This spatial variation in population structure may be the result of variation in the patchiness of resources exploited by gallwasps, particularly host oak plants.
这种种群结构在空间上的变异可能是被栎瘿蜂开发的资源尤其是栎树寄主在斑块上出现变异的反映。
Also the results showed that the Stratified Random ClusterSampling is an adequate sampling method for the genetic variation analysis of yellow cattle population.
同时研究表明,系统随机整群抽样是进行黄牛群体遗传变异分析的最适抽样方法。
The information dimension of population patterns quantifies the scale variation degree of pattern intensity, and discloses the unevenness of individual distribution.
种群格局信息维数能够刻划格局强度的尺度变化程度,揭示出种群个体分布的非均匀性状况。
This paper first measures interregional disparity in financial capacity by variation coefficient weighted by population.
首先采用以人口为权数的加权变异系数对地区间财力差异进行了度量。
Genetic variation is major study content in conservation genetics. In small population, genetic variation loss because of bottleneck effect, inbreeding, founder effect, and genetic drift.
遗传变异性是遗传保护研究的主要内容,在小种群中,往往由于瓶颈效应、近亲繁殖、奠基者效应和遗传漂变等使得遗传变异性减少。
When the same recurrent selection porgram was used in various population, the greater the coefficient of variation of the population, the greater the genetic progress it made.
不同群体采用同一种轮回选择方案,表现出变异程度大的群体,选择的遗传进展也大。
The length of needles, has the highest variation (0 1486) within the Liangshui population, and lowest variation (0 1056)in Changbai Mountain population.
种群内针叶的变异幅度凉水地区最大(0.1486),长白山地区最小(0.1056);
The population showed continuous distributions with transgressive segregation on both sides for all traits while HR had a wider variation than BR and MR.
群体呈连续分布,双向超亲现象明显,HR较BR、MR变异范围更大并偏向低值方向;
Variation within a population in which few or no intermediate phenotypes fall between the extremes.
不连续变化,间断变化:种群内的变化,在种群里两极之间很少或没有中间表现型。
Five microsatellite loci of European wild rabbit were used to analyse the population genetic variation among 5 breeds or strains of domestic rabbit population.
选用欧洲野兔的5个微卫星位点,分析了5个品种(系)家兔群体的遗传变异。
Conclusion These findings demonstrated that the genetic variation of MTHFR C677T should be a genetic susceptibility factor for colorectal cancer in a Chinese population.
结论亚甲基四氢叶酸还原酶基因C677T基因多态性可能是我国大肠癌的遗传易感因素。
When the environment variations are high, the white noise level (coefficient of variation) increases to 35%, the stable fish population becomes spasmodic.
在环境变化较大时,白色噪音水平(变动系数)增加至35%,稳定型种群变为不稳定型。
By using the variation assimilation method and the optimal control method, theoretical analyses of the maximum population capacity and the inherent growth rate for the population model is presented.
研究人口的阻滞增长模型,采用资料变分同化方法及最优控制的技巧,从理论上对模型中的最大人口容量和固有增长率进行最优确。
The variation coefficient of TCH was similar to CKs in plant height, chlorophyll content, panicle length, and so on. The heading duration of TCH population was longer than those of CKs.
结果表明,三交种株高、叶绿素含量、穗长等性状与单交种的变异系数差异不显著,但群体抽穗历期延长;
The variation of virulence and RACES of Xoo population were compared systemically.
通过试验系统比较了不同时期病菌的毒性和小种组成变化。
The variation of virulence and RACES of Xoo population were compared systemically.
通过试验系统比较了不同时期病菌的毒性和小种组成变化。
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