coefficient of heritability

Primary problems of inherited parameter learning are analyzed and robust learning conception and method are presented.

本文分析了遗传系数学习时遇到的问题,提出了鲁棒学习的概念和方法;分析了模型误差演化的规律,并通过推理决策的方式给出了具体的算法;最后把基于此方法,对宝钢2050精轧自然宽展预报模型进行了仿真研究。

The properties of 20-high Sendzimir cold-rolling mill were introduced,the geometric shape of non-oriented silicon steel strip was re-defined,and the wedge equivalent crown,pass genetic factor and accumulative coefficient were introduced.

介绍了20辊硅钢轧机的性能,重新定义了硅钢板的几何形状,提出了楔形等效凸度、道次遗传系数和累计系数等概念。

And their Genetic similarity coefficient and genetic distance were studied.

[方法]应用10条人工设计的与接头序列相识别的AFLP选择性引物,用PstⅠ酶切,对5种蔷薇基因组DNA进行AFLP反应,分析不同蔷薇间的遗传相似系数和遗传距离。

The RAPD test revealed that the genetic similarity be.

结果表明,在相同培养条件下,两者均为卵圆形,但原种直径仅为突变后藻株直径的60%,颜色差异明显;突变株的β-胡萝卜素含量为原种的6 2～15 5倍;两者遗传相似系数为0 868,与突变株的一般要求相符。

By NTSYS pc program, Jaccards genetic similarity coefficient.

利用 341个RAPD标记 ,计算Jaccard遗传相似系数 ,建立UPGMA聚类图 。

The difference markedness of the content of potassium in leaves of tobacco seedling was checked up among different genotypes with the variance analysis method, and the heritability in the broad sense, genetic variation coefficient of the c.

采用方差分析法对烟草苗期不同基因型间的叶片含钾量的差异显著性进行了检验,估算了烟草苗期叶片含钾量的广义遗传力和遗传变异系数;对其中14份烟草资源大田期的叶片含钾量与其苗期叶片含钾量进行了相关分析。

The results are as follows:①The broadsense heritabilities of height,diameter and volume of cloned seedings are 0897 8,0831 4 and 0808 1 respectively;genetic variation coefficients are 1582%,1402% and 4112%.

结果表明:①无性系的苗高、地径和材积的生长达到极显著水平,苗高、地径和材积的广义遗传力分别为0 8978,0 8314和0 8081,遗传变异系数分别为15 82%,14 02%和41 12%。

The study indicated that genetic variation coefficient of thirty seedlings of 9major quantiative traits of mass crossing generations ranged from 20.

研究表明，甘薯集团杂交后代３０个实生品系主要数量性状的遗传变异系数均较大。

Phenotypic variation coefficients were all greater than the genetic variation coefficients.

表型变异系数均大于遗传变异系数。

Genetic Variations and Selection Indices of Quantitative Traits in Upland Cotton(Gossypium hirsutum L.) Lines with High Fiber Quality

陆地棉高品质系数量性状的遗传变异与选择指数

Additive variance was higher than dominance variance, which indicates quantitative inheritance.

加性的变异高于显性的变异，表明是数量遗传。

Study on Genetic Variation of Seven Microsatellites DNA Markers and Their Relationship with Somatic Cell Counts in Cow Milk;

7个微卫星DNA标记的遗传变异及其与牛乳中体细胞数关系的研究

Genetic and Variation Study to Laminaria "901" Strain;

海带“901”品系遗传与变异的分析

Genetic Variation of Wood Properties and Superior Clones Selection of Ginkgo Biloba L.

银杏无性系材性遗传变异及良种选择

Genetic Variation of E. urophylla Progenies Selected from Superior Families

尾叶桉优良家系子代的遗传变异研究

Application of accelerating genetic algorithm to optimizing variogram parameters;

加速遗传算法在变异函数参数优化中的应用

Heteroplasmy of Leber's hereditary optic neuropathy families with 11778 mutation

Leber遗传性视神经病变11778突变家系异质性的研究

Genetic Variation on Growth and Genetic Diversity of Half-sib Families among Provenince of Platanus Occidentalis L. in Eastern China;

一球悬铃木种源内家系生长遗传变异及遗传多样性

Studies on Genetic Variation and Early Selection of Japanese Larch Clones

日本落叶松无性系遗传变异及早期选择的研究

Genetic Variation in Basic Wood Properties of 36 Clones of Populus deltoides

36个美洲黑杨无性系基本材性遗传变异的研究

Genetic Variation of Traits in Relation to Yield among Populus Clones during the First Year;

黑杨派无性系苗期产量相关性状的遗传变异

Genetic Variation and Phylogenesis of the Cuttlefishes in the Waters of China;

中国沿海乌贼类遗传变异和系统发生学研究

Transformation and Somaclonal Variation of Cotton (Gossypium Hirsutum L.);

棉花遗传转化及体细胞无性系变异研究

Study on Genetic Variation and Interspecific Relationship of Zoysia Willd.;

结缕草属（Zoysia Willd.）植物遗传变异及种间关系研究

Study on Inheritance and Variation of Wood Property in Populus Tomentosa Carr.;

毛白杨无性系木材品质性状遗传变异研究

Study on the Growth Process Genetic Variation and Selection of the Poplar Clones;

杨树无性系生长过程遗传变异及选择研究