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utilization
相关语句
  利用
    STUDY ON QTL FOR ABSORPTION AND UTILIZATION OF NITROGEN, PHOSPHORUS, AND POTASSIUM IN WHEAT (Triticum aestivum L.) SEEDLINGS
    小麦(Triticum aestivum L.)苗期氮、磷、钾吸收和利用的数量性状位点研究
短句来源
    Eco-Physiological Characteristics and Regulation of Nitrogen Uptake and Utilization Efficiency in Different Rice Genotypes
    水稻品种氮素吸收利用效率的生理生态特征及调控研究
短句来源
    Genetic Evaluation and Utilization of Transgenic Bt and Bt+CpTI Cotton (Gossypium hirsutum L.) Lines
    转Bt基因和Bt+CpTI基因抗虫棉的遗传评价及利用研究
短句来源
    Genetic Trans of Two Parents of Indica-hybrid Rices with Two Starchs Synthesis Relevant Genes and the Breeding Utilization
    淀粉合成相关基因转化籼型杂交稻亲本及育种利用研究
短句来源
    Responses of Uptake and Utilization of Water and Nitrogen by Maize to the Methods of Localized Supply in Root-zone
    玉米水氮吸收利用对根区局部供应方式的响应及其作用机理
短句来源
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  应用
    Study on the Utilization and the Biological Characteristic of Juema (Potentilla Anserina L.) That is Wild Resource Foliage
    野生资源植物—蕨麻(Potentilla Anserina L.)的生物学特性及应用研究
短句来源
    STUDIES ON THE ABSORPTION AND UTILIZATION OF NITROGEN IN RAPE PLANT BY USING A STABLE ISOTOPE- ~(15)N
    应用稳定性同位素~(15)N研究油菜对氮素的吸收和利用
短句来源
    USING ~(15)N AS TRACER FOR STUDYING THE RATE OF UTILIZATION OF NITROGENOUS FERTILIZER AND SOIL NITROGEN
    应用~(15)N对提高氮肥利用率与土壤氮值的研究
短句来源
    APPLICATION OF INDICATIVE CHARACTERS IN THE UTILIZATION OF INTRASPECIFIC HETEROSIS IN UPLAND COTTON
    棉花杂种优势利用中指示性状的应用
短句来源
    MANIFESTATION OF SPECIFIC CHARACTER AND THE UTILIZATION ON BREEDING IN PROGENIES OF WILD S SPONTANEUM AND S ROBUSTUM HYBRIDS
    野生甘蔗 S.spontaneum 和 S.robustum 杂种后代的种性表现及其在育种上的应用
短句来源
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  开发利用
    Study on the Maximum Sustained Yield of Ery throculter of the Jiangkou Reservoir and It's Development,Utilization and Method of Control
    江口水库红鲌鱼资源最大持续渔获量及其开发利用和控制方法的研究
短句来源
    RESEARCH ON SELECTION AND UTILIZATION WITH EXPLOITATION OF A MIDDLE INDICA RICE CULTVARE '164'
    中籼稻品种E164的选育及开发利用研究
短句来源
    MAIN FORAGE PLANTS IN NATIVE PASTURES OF GUANGXI AND THEIR EXPLOITATION AND UTILIZATION
    广西天然草地主要饲用植物与开发利用
短句来源
    Research on the Exploitation and Utilization of New Type Sterile Lines of K, Ken Types of Wheat in Heilong Jiang
    K、Ven型小麦新型不育系在黑龙江的开发利用研究
短句来源
    The Analysis of the Potential Productivity,Exploitation and Utilization of Climate-Soil Resources in Semiarid Area of Jilin Province
    吉林省半干旱区气候土壤资源潜力分析及其开发利用
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  “utilization”译为未确定词的双语例句
    Relationship between the Efficiency of Utilization of Nitrogen and Types of Variety of Rice
    水稻的氮素利用效率与品种类型的关系
短句来源
    ACTIVITY OF GRAIN ACCEPTANCE CAPACITY AND ITS Ⅱ. The Relaionship of Grain Water Content with the Distribution and Utilization of ~(14)C-Photosynthate
    水稻籽粒受容活性及其控制途径——Ⅱ.籽粒含水率与~(14)C光合产物分配及转化的关系
短句来源
    Study on Cropping System of Utilization Combined With Storage, Energy Saving and High Efficiency in Black Soil Region of Songnen Plain
    松嫩平原黑土区用蓄结合节能高效耕作制研究
短句来源
    Study on Benefits of Different Crop Rotation Patterns in Latored Soil Utilization
    赤红壤不同轮作形式的效益研究
短句来源
    Principles and Methods to Establish Controlled Release System of P Source in Liquid Phase for Screening Wheat Genotypes for Efficient Utilization of Phosphate
    筛选磷高效小麦种质的磷源液相控制释放系统建立的原理和方法
短句来源
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  utilization
In order to improve the utilization of light, the technologies of implantation of transition metal ions (V+ and Cr+) and electron beam irradiation to deposit noble metal particles (Ag and Pt) were used.
      
Dynamic multicast traffic grooming in wavelength division multiplexing (WDM) networks was analyzed to minimize networkwide costs and to increase the network resource utilization.
      
A novel bandwidth allocation strategy along with a connection admission control technique was proposed to improve the utilization of network resources.
      
Simulation results show that, compared with other bandwidth allocation schemes, the proposed scheme offers very low call dropping probability for real-time connections while, at the same time, keeping resource utilization high.
      
Analyses and simulation results show that the new algorithm can improve the bandwidth utilization and realize the fairness for both different ONUs and services.
      
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1.A close relationship is existed between the proper water content of soil and the incre-ment of flowers and prevention of pod-shedding of soybeans.Number of pods borne on a single soybean plant as well as seed yield would decrease and pod-shedding rate would increaseas the plant suffered from drought during flowering and pod-bearing stage.The suffering isparticularly severe if drought occurs in late July when soybeans are on full-blooming-stage.Under such condition the growth and development of soybean plant...

1.A close relationship is existed between the proper water content of soil and the incre-ment of flowers and prevention of pod-shedding of soybeans.Number of pods borne on a single soybean plant as well as seed yield would decrease and pod-shedding rate would increaseas the plant suffered from drought during flowering and pod-bearing stage.The suffering isparticularly severe if drought occurs in late July when soybeans are on full-blooming-stage.Under such condition the growth and development of soybean plant would be hindered andless vigorous;pod-shedding rate would sharply increase while seed size would be larger.InAugust when pods are on forming-stage,drought would cause less damage on plant vigor butpod-shedding rate would be comparatively high,seed size would noticeably decrease,andpod-formation-stage 70%,and pod-filling-stage 60-65%.The experimental results of the past several years have showed that,in the leachedchernozen soil region of North East of China,the proper soil water content (in per centof water holding capacity) of the 0-5 50 cm.soil layer of the high yielding soybean field duringdifferent soybean growing stage should be:branching-stage 55-60%, blooming-stage 60-70,%,pod-forming-stage 70%,and pod-filling-stage 60-65%.2.If the density of stand and planting method are regulated according to soil fertility,number of pods per unit area would greatly increase,owing to that under such conditionsillumination and soil fertility can be fully utilized by soybean plants,and resulting in theincrement of photosynthetic rate and accumulation of photosynthetic products.Under lessfertile soil when variety Small Golden Yellow No.1 is used,and row distance is 60 cm.,thesuitable density of stand would be 250-300 thousands of plants per hectare.Under more fertileconditions the suitable density of stand should decrease to 100-150 thousands of plants perhectare.As to the method of planting,on fertile soil the 45×45 cm.square method with 3-5plants in each hill is much better than drilling method of which the distance between rows is50 cm.or 60 cm.Under square method,both of the rate of pod-bearing and the rate of pod-shedding of soybeans are high.When potato or wheat is interplanted between the rows of soybean,utilization of illumina-tion and soil fertility as well as microclimatic conditions are greatly improved.This wouldeffectively raise the number of pods of the individual soybean plants.For interplantation2:2 or 3:3 ratio is recommended for the fertile soil.3.The best time of topping (on comparatively fertile soil) of soybeans is preliminarilyconsidered to be on late blooming-stage.Topping on branching-stage is next,while on earlyblooming-stage ranks the third.Fertilizers containing NK Show the best result when theyare applied on late blooming-stage,while P fertilizer gives best result when it is applied onbranching-stage.The spraying of 3% of superphosphate solution for 2-3 times on leaves of soybeans duringthe pod-bearing stage (early August) can reduce the rate of pod-shedding.4.The spraying of minor-elements on soybean plants during full-blooming- and earlypod-forming-stage can increase intensity of respiration and photosynthetic capacity,andthus,beneficial for the increase of seed yield.The proper concentration of ammoniummolybdate solution sprayed during full-blooming-stage and early pod-forming-stage is 0.05%,while that of zinc sulphate sprayed during full-blooming-stage is 0.01%.5.Paying great attention to fieid management and adopting the practice of deep plowingare effective measures to promote soybean plants to have a vigorous growth and to bear moreflowers and pods.

本文根据几年来的调查及试验资料,研究了不同栽培条件对大豆花莢脱落的影响;提出了在吉林省一般栽培条件下的大豆增产措施。

Four hybrid combinations of tobacco and 66 test materials from different localities were examined. The results of examination revealed that the characters of the progenies from the tobacco hybrid F1 pollen plants were approximately uniform. It seemed that the parent characters recombination types were present in the progenies of the pollen plants. The genetical constancy occurred among the offsprings from 1 to 3 generations and there was no degenerative phenomenon in activity. According to the breeding purposes...

Four hybrid combinations of tobacco and 66 test materials from different localities were examined. The results of examination revealed that the characters of the progenies from the tobacco hybrid F1 pollen plants were approximately uniform. It seemed that the parent characters recombination types were present in the progenies of the pollen plants. The genetical constancy occurred among the offsprings from 1 to 3 generations and there was no degenerative phenomenon in activity. According to the breeding purposes three plant strains have been selected for further evaluation and utilization. It is believed that this breeding method from pollen for practical tobacco breeding is hopeful and feasible. As to the occurrence of the high and low plants in the spring planting fields, from analysis it was considered that this phenomenon was caused by the environmental factors. Further investigations should be needed on this problem and the problems relating to the expressions of the progenies in later generations as well.

通过对四个杂交组合、两个定性品种66份试验材料多点鉴定的结果表明,烟草杂种F_1花粉植株后代的性状表现基本一致,同时看到亲本性状在花粉植株后代的各种重组类型,以及一至三代遗传上的相对稳定性,没有发现有生活力减退的现象。根据育种目标,选出三个较好的株系供扩大鉴定和利用。认为花粉育株这一方法应用于烟草育种是有希望和可能的。关于春烟试验田部分材料出现高矮两种植株的现象,据初步分析认为是因环境条件影响引起的,但对此以及以后各世代的表现等问题,尚待进一步研究。

By means of crossing two forms of wild rice (Oryza sativa L. f. spontanea) : "red-awned" and "Tengqiao local" from the Island of Hainan as the female parent with cultivars as the male and repeated back-crossing we have obtained several male-sterile lines of rice. We also succeeded in selecting some sterility-maintainers and fertility-restorers for them respectively to facilitate the utilization of heterosis in rice.It is noteworthy that the two forms of wild rice have different kinds of cytoplasm and they...

By means of crossing two forms of wild rice (Oryza sativa L. f. spontanea) : "red-awned" and "Tengqiao local" from the Island of Hainan as the female parent with cultivars as the male and repeated back-crossing we have obtained several male-sterile lines of rice. We also succeeded in selecting some sterility-maintainers and fertility-restorers for them respectively to facilitate the utilization of heterosis in rice.It is noteworthy that the two forms of wild rice have different kinds of cytoplasm and they respond differentially to test crosses. Therefore the male-sterile lines derived from the two wild rices have quite different restorer lines.From genetical and cytological studies it is evident that male sterility is not controlled by one or a few genes of sterility. But rather male sterility is determined by the nucleo-cytoplasmic contradictions (incompatibility) between the two parental forms: the wild rice as the female parent and the cultivar as the male. Hence substitution of cell nucleus by means of repeated back-crossing is an effective method of breeding male-sterile lines in rice. Inheritance of male sterility in hybrid progenies of crossing wild rice with cultivars and F2 of male-sterile lines × fertility-restorers is shown as if in the mode of inheritance of "quantitative characters". The segregation of fertility versus sterility behaves as continuous variation with numerous gradations from normally fertile to wholly sterile. This fact accentuates the invalidity of such a theory, proposing one or a few "ms" genes as the explanation of the origin of male sterility.Our investigation suggests, that the metabolic disorders as the result of nucleo-cytoplasmic contradictions are the cause of pollen sterility. Therefore, genetic affinity determines whether a variety being tested will be "maintainer" or "restorer" for a given male-sterile line. If the variety has close affinity and a similar cytoplasm with the wild parent, it may restore the right nucleo-cytoplasmic interrelation, normalize the metabolic processes in the hybrid and re-establish normal development of pollen grains. On the contrary, if the variety has distant affinity and a dissimilar cytoplasm with the wild parent, it will fail to normalize microsporogenesis in the hybrid and will serve as a maintainer of sterility.Thus the Marxist materialistic dialectics aids us in finding a new approach to the solution of problems of breeding hybrid rice.

以属于我国南方分布的普通野生稻(Oryza sativa L.f.spontanea)的红芒野生稻和藤桥野生稻作母本,与栽培稻不同品种作父本杂交和连续回交,进行核代换,培育出了相应的雄性不育系。并已获得相应的恢复系。在选育三系的过程中证明我国南方的普通野生稻在细胞质的生理和遗传特性上存在着不同类型,对三系选育有不同的利用价值。 从有关的遗传学及细胞学研究说明这种雄性不育性不是一种简单的遗传特性,而是牵涉到一系列遗传、生理特性的异常,有着复杂的遗传基础。不育性和恢复性表现出类似于数量性状的遗传行为。作者认为雄性不育性是参加核代换亲本的遗传基础相互作用的结果,是远缘核质不亲和性的表现。当远缘的核质结合时产生雄性不育,而近缘的核质结合时造成花粉育性的恢复,因此三系配套与亲本亲缘的远近密切相关,从而批判了旧的三系理论及其所设想的育种方法。

 
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