selection effect

Research on Adverse Selection Effect of Supporting Policies on Emerging Industries

新兴产业扶持政策的逆向选择效应研究

A Wavelength Selection Effect on the Raman Spectra of Silicon Nanowire

硅纳米线拉曼光谱的波长选择效应

Selection Effect of Nitrogen Use Efficiency in Rice

水稻氮素利用效率的选择效果

Inheritance and selection effect of size and weight characters in sunflower seeds

向日葵籽实体积重量性状遗传及选择效果

The selection effect of early stage ratooning in sugarcane breeding

甘蔗育种中早代宿根选择的效应

Variation of glucosinolate content of individual plants in double low rapeseed and selection effect

双低油菜个体间硫苷含量的差异及选择效果

Such a high frequency period is not due to the selection effect in observations according to our analyses .

根据我们的分析，这种周期性不可能完全是由于选择效应引起的。

Selection Effect of Dissymmetric External Forces on Spontaneous Mirror Symmetry Breaking

不对称外力对自发镜像对称性破缺的选择作用

Preliminary Research on Inheritance of Thousand-seed-weight Character of Watermelon and Selection Effect

西瓜种子千粒重性状的遗传及选择效果初探

Studies on the selection effect of quantitative characters in wheat & ⅰ . heritability and direct selection

小麦数量性状选择效果的研究&Ⅰ.遗传力与直接选择

Inheritance and Selection Effect of High-protein Soybean Mutant Lines Induced by EMS

甲基磺酸乙脂诱发大豆高蛋白突变系的遗传与选择效果

The study of visual selection effect on the main agronomic characters in soybean hybrids for high yield breeding

大豆高产育种杂交后代目测选择效果的研究

Multi - level Interspecific Variation and the Analysis of Selection Effect on Paulownia Fortunei

白花泡桐种内多层次变异及其选择效果分析

These improve the operational efficiency of the branch and band algorithm , and reach an effective band selection effect .

该方法在提高分支界限算法运行效率的同时，达到了选取有效波段的效果。

Formulae are derived to evaluate the selection effect on the main productivity and the tolerance under stress environments .

在恶劣环境下关于主要生产率和耐性的效应选择检定公式均已导出。

Studies on Inheritance and selection effect of protein and oil content in soybeans ⅰ . reciprocal effect and combining ability

大豆蛋白质及脂肪含量的遗传与选择效果研究&Ⅰ正反交效应与配合力

Evaluation of selection effect of molecular marker detection of resistant gene and phenotypical identification to rice bacterial leaf blight

白叶枯病抗性基因Xa21分子标记检测与表型鉴定的选育效果评价

A study on SILIQUA-BEARING rates in self-cross and distant crossing of oil radish and its group selection effect

蓝花子自交、远缘杂交结实率和集团选择效果的研究

In an asymmetric information credit market , interest rate and collateral requirements have adverse selection effect to different risk preference , and may cause moral hazard .

在信息不对称的信贷市场中，贷款利率和担保要求对于不同风险偏好的借款者会产生逆向选择效应，并且可能会引发道德风险。

After having revised the current models , this paper finds an selection effect come from the high interest rate and explains that this effect makes group lending successful .

本文对现有模型进行扩展后，证明了团体贷款下的高利率政策会产生一种遴选效果，从而导致团体贷款在高利率下走向成功。

The codon-substitution and maximum likelihood models were used to detect positive selection effect among sites and analyze the molecular adaptive evolution of transferrins .

利用密码子替换模型和最大似然法模型，检测位点间的正选择作用并分析了转铁蛋白分子适应性进化。

The significantly higher parameters of invasive ability in some genotypes than in others indicated that selection effect may play a role in genotypic diversity effect . 2 .

但是有几个基因型的某些入侵能力指标显著高于别的基因型，表明选择效应也可能起作用。

From genetic principle of CMS , five different ways were adopted for selecting and improving maintainer , and the selection effect of every way was introduced and analyzed .

根据细胞质雄性不育的遗传原理，采用5种不同方法选育和改良保持系，介绍和分析了每一种方法的选育效果。

The basis of determining the prescribed minimum of the superiority degree was posed . The method of estimating the genetic gain and selection effect was simplified .

提出了确定优良度选择下线的依据，简化了估测遗传增益和选择效果的方法。

However , this method need great labor strength and high cost but the produce efficiency is low , furthermore the selection effect is influenced to a certain extent by the manmade factors .

目前分选红种和破碎粒的主要手段是人工选种，劳动强度大、生产效率低、投入成本高、且选种效果在一定程度上受人为因素的影响。

The changing trends of the relative genetic progress and the coefficient of inheritance of each character are similar . To have a better selection effect , a greater variation range of population should be maintained .

各性状的相对遗传进度与遗传变异系数的变化趋势相近，要获得高的选择效果，应保留较大的群体变异幅度。

The heritability of fruit shape index estimated by its generation variance is higher , the broad sense heritability is 83 60 % , the narrow sense heritability is 65 94 % , it has higher selection effect in breeding production .

由其世代方差估算果形指数的遗传力较高，广义遗传力为8360%，狭义遗传力为6594%，在育种实践中，具有较高的选择效果。

In this paper , the natural selection effect on resistance to soybean cyst nematode resistance and agronomic traits was distinguished by SSR markers and phenotypic characteristics , using two groups of recombinant inbred lines derived from the same hybrid combination .

本文利用同一杂交组合在两地衍生的重组自交系群体为材料，采用分子标记与表型相结合的方法，进行了大豆对胞囊线虫抗性和主要农艺性状的自然选择效应的分析。

Through using growth index , there were 46 excellent families be selected primarily and the expected genetic gains of height and diameter were 16.32 % - 27.86 % and 6.39 % - 23.08 % respectively . The selection effect was very striking .

油松苗高和地径的遗传力较高，运用生长量指数，评选46个优良家系，可获得苗高和地径16.32%~27.86%和6.39%~23.08%的遗传增益，增产效果十分显著。

The index of quasar UV spectrum is flattened as the redshifts increase , which may imply an evolution of the big bump or is probably due to influence of the selection effect of quasars with high redshifts .

类星体紫外谱指数随红移增大而变平，则可能暗示着大隆起的演化，但也可能是大红移类星体选择效应的影响。