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改良策略
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  improvement strategy
     Genetic Improvement Strategy for further Raising the Yield Potential of Wheat in Sichuan
     进一步提高四川小麦品种产量潜力的遗传改良策略
短句来源
     It also presents an improved Genetic Algorithm based on operating-cluster improvement strategy in which the infeasible solutions brought from GA operation are improved to be feasible ones .
     提出了一种改进遗传算法来作为网络重构的优化算法,针对配网重构中出现的大量不可行解,运用基于操作簇的改良策略对其进行改良,使之成为可行解,扩大了遗传算法种群中的可行解规模,从而提高了重构的寻优效率。
短句来源
     Headways of Quality Heredity Studding and Discuss of Improvement Strategy in Rice (Oryza sativa L.)
     稻米品质遗传研究进展与改良策略探讨
短句来源
     Status and Problem of Wheat Quality Breeding and Its Improvement Strategy in China
     中国小麦品质育种现状、存在问题及改良策略
短句来源
     Quality of Wheat Cultivar in Jiangsu Province and Its Improvement Strategy
     江苏省小麦品质现状及品质改良策略
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  improvement tactics
     A Discussion on the Broad-Leaved Tree Genetic Improvement Tactics
     论阔叶树遗传改良策略
短句来源
     This paper approaches the broad leaved tree genetic improvement tactics with regard to broad leaved tree features and improvement status,namely the ways of seed stand,clone and mutual development between sexual breeding and clonal rapid propagation popularization as well as modern biology technique breeding,etc. Furthermore,it raises the tactics for strengthening broad leaved tree breeding population protection.
     就阔叶树的特点和阔叶树改良现状 ,探讨了长短结合、系统改良与局部突破结合、常规与超常规结合的阔叶树遗传改良策略 ,即母树林途径、无性系途径、“有性育种 ,无性快繁推广”的交互发展途径以及现代生物技术育种途径等 ,并提出要加强阔叶树育种群体保护策略
短句来源
  “改良策略”译为未确定词的双语例句
     The Molecular Biology of the New HMW-GS 5'+12 in Wheat Line from Sichuan and Strategies for Improvement of Grain Qualities
     四川小麦高分子量麦谷蛋白新亚基5’+12的分子生物学与品质改良策略研究
短句来源
     Research Progresses on Appearance Quality of Rice Grain and Strategies for its Molecular Improvement
     稻米外观品质的研究进展与分子改良策略
短句来源
     Present Research and Tactics for Genetic Improvement of Betula luminifera Winkl
     光皮桦研究现状及遗传改良策略
短句来源
     Strategy to Improve Wheat Germplasm Resource in View of the Breeding of Lumai 14
     从鲁麦14号的育成论小麦种质资源改良策略
短句来源
     Most of wheat cultivars belong to the middle gluten type,and only two wheat cultivars,Yangmai 10 and Annong 92484 come up to the quality standard of strong gluten wheat,while Ningmai 9,Yangfumai 2,Yangmai 13 and Yangmai 15 are weak gluten wheat.The suggestions for quality improvement,quality region classification and popularization of wheat cultivars in the region are also presented in the paper.
     4)该区绝大部分品种属中筋类型,扬麦10号和安农92484达到优质强筋二等标准,宁麦9号、扬辐麦2号、扬麦13和扬麦15达到优质弱筋小麦标准。 同时,提出了长江中下游麦区小麦品质改良策略、品质区划以及重点推广品种的意见。
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  improvement strategy
The method also helps to set up improvement strategy by analysing attributes of components and materials related to the cost and environmental aspects.
      
The results suggested that an improvement strategy combining both recurrent selection for additive genetic merit and clonal testing may be adequate for optimizing genetic gains from this genetic base.
      
The other argument is substantive; the inquiry uncovers how a quality improvement' strategy in a long term care hospital in Canada is reorganizing caregivers' values and practices toward a market orientation in which care appears to be compromised.
      
This review aims to give background information on initiatives to improve the prevention of VTE and to identify key features of a successful quality improvement strategy for prevention of VTE in the hospital.
      
Urban Surface Modification as a Potential Ozone Air-quality Improvement Strategy in California: A Mesoscale Modelling Study
      
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  strategy for improvement
Control of apoptosis could be a potent strategy for improvement of the clinical outcome in severe acute pancreatitis.
      
Systems for quality assurance in mental health services: A strategy for improvement
      
Another task of the group was to delineating a European standardisation strategy for improvement of energy efficiency.
      
As part of a multipronged strategy for improvement, the report recommended regionalization of specialty services.
      


We have studied genetic structure of natural population in masson pine (Pinus massoninan Lamb) using isozyme clcctronphorsis method. 12 loci of 3 enzyme systems (GOT, MDH and GDH) of seed endosperm samples coming from 6 populations were analysed. The results were as follows: the level of genetic varibility in the population of masson pine was relatively high. There were excesses of homozygotcs and deficiencies of hctcrozygotcs within population.Masson pine populatoin wasn't under Hardy-Wcinbcrg equilibrium....

We have studied genetic structure of natural population in masson pine (Pinus massoninan Lamb) using isozyme clcctronphorsis method. 12 loci of 3 enzyme systems (GOT, MDH and GDH) of seed endosperm samples coming from 6 populations were analysed. The results were as follows: the level of genetic varibility in the population of masson pine was relatively high. There were excesses of homozygotcs and deficiencies of hctcrozygotcs within population.Masson pine populatoin wasn't under Hardy-Wcinbcrg equilibrium. The differentiation level of masson pine was relatively low. About 9% gene diversity was attributed to the differentiation intcrpopulation while ninety-one percent of the total gene diversity resided within population. The relationship between geographic distance and genetic distance of population appeared to be weak. There was significant heterogeneity difference among three populations of Guangxi and populations Guangdong, Fujian and Guizhou. In this paper, the author also suggests the strategy of masson pine genetic improvement.

本文运用同工酶电泳技术对马尾松天然群体的遗传结构进行了研究,分析了6个群体3个酶系统(GOT、MDH和GOH)的12个位点。结果表明:马尾松群体具有较高的变异水平;群体内杂合体不足,纯合体过量,处于非平衡状态;马尾松群体的分化程度较低,大部分变异存在于群体内,群体间仅占一小部分;群体的分化与地理距离的隔离没有明显的关系;广西种群与福建、广东和贵州种群闻的遗传分化明显。此外,文章中还对马尾松遗传改良的策略提出了建议。

This paper describes the distribution characteristics of teak germplasm in China and their genetic variation. A strategy and the way for teak improvement are also put forward in this paper.Teak has been cultivated in China for more than 100 years. The genetic resources distributed in 46 counties/cities of 7 southern provinces. The growth appearance is very close to that in the natural distribution areas of India, Burma and other countries. Satisfactory results on teak improvement have been obtained since we...

This paper describes the distribution characteristics of teak germplasm in China and their genetic variation. A strategy and the way for teak improvement are also put forward in this paper.Teak has been cultivated in China for more than 100 years. The genetic resources distributed in 46 counties/cities of 7 southern provinces. The growth appearance is very close to that in the natural distribution areas of India, Burma and other countries. Satisfactory results on teak improvement have been obtained since we started systematic teak breeding and improvement programme in China. The benefits from both the provenance selection and the clones of superior provenances overpassed the estimation of the original improvement plan. A strategy and the way for teak improvement were worked out according to the past improvement experiences, the characteristics of China's teak germplasmic distribution, and other related situations.

本文论述我国柚木基因资源分布的特点、遗传变异和改良的策略及途径。 我国有悠久的柚木栽培历史,基因资源分布于南方7省46个县(市),其生长情况与原产地相当。从1973年起,我们对柚木进行系统的改良,已取得较好的成果,种源选择和无性系测定的两项效益均超过原改良方案的估计。在此基础上制订了我国柚木长期系统的改良方案,采取与我国柚木基因资源分布特点、具体情况相适应的策略以及改良途径。

This paper concerns data from the growth characters of ten and fifteen years old progenies of L. olgensis in twice provenance tests at the Maoershan Experimental Station. By using variance analysis, combined analysis between the provenances and the sites and synthetic index analysis to multi-characteristics, ten provenances have been divided into three types which are: 1. The type with low and stable productivity (Tianqiaoling, Dashitou and Jixi provenances); 2. The type with high and unstable productivity.(Xiaobeihu...

This paper concerns data from the growth characters of ten and fifteen years old progenies of L. olgensis in twice provenance tests at the Maoershan Experimental Station. By using variance analysis, combined analysis between the provenances and the sites and synthetic index analysis to multi-characteristics, ten provenances have been divided into three types which are: 1. The type with low and stable productivity (Tianqiaoling, Dashitou and Jixi provenances); 2. The type with high and unstable productivity.(Xiaobeihu provenance); 3. The type with middle and stable productivity (Helong., Baihe, Lushuihe, Muling and Dahailin provenances). By using synthetic index selection to the growth, morphology, adaptability, resistance and seed quality elc. and significance test to the growth characters, Xiaobeihu provenance has been chosen as the optimal provenance in Maoershan region and its neighbourhood. The volume increment in ten and fifteen years old Xiaobeihu provenance exceeds the contrast 128.31% and 78.25%. respectively. At last, it evaluates the heritability and the genetic gain of the provenance growth, as well as the practical significance and social benefits by spreading the optimal provenance.

根据东北林业大学帽儿山实验林场长白落叶松两次全分布区种源试验(15和10年生)子代生长性状,通过方差分析,种源与立地的联合分析,多性状综合指数选择等分析方法,将全部10个参试种源划分为低产稳产型(天桥岭、大石头、鸡西种源);高产非稳产型(小北湖种源);和界于这二者之间的中产稳产型(和龙、白河、露水河、穆棱、大海林种源)等三种类型,在种源早期选择可行性与可靠性分析基础上,以包括生长、形态、适应性、抗性及种子品质性状在内的综合指标选择法和生长性状差异显著性测验结果,选出了小北湖种源为帽儿山实验林场及毗邻地区最佳种源,小北湖种源15年生、10年生材积分别超出对照(各种源平均值)78.25%和128.31%;超出最差种源221.6%和220.21%。对种源生长性状的遗传力及遗传增益进行了估算,并讨论了优良种源的遗传改良策略及推广优良种源的生产意义和社会效益。

 
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