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  ear
     Analysis Genetic Effects and QTL Mapping of Fusarium Moniliforme Ear Rot Resistance in Maize
     玉米粒腐病遗传效应分析及抗性QTL定位
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     GENETIC ANALYSIS ON THE CONTRIBUTION OF LEAF AREA TO EAR WEIGHT IN WHEAT
     小麦叶面积对重影响的遗传分析
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     Inheritance Studies of Ear Type in Two-rowed Barley Bomi×Six-rowed Barley Teqing
     二稜大麦Bomi×六稜大麦特青型的遗传研究
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     Investigation on the Differential Method of Ear Blast Disease in Rice
     稻瘟鉴定方法的研究
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     THE INITIAL STUDY ON THE RELATIONSHIP BETWEEN THE SHAPE OF APPEARANCE AND INNER YOUNG EAR DIFFERENTIATION
     稻株外观形态与内部幼分化关系研究
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  spike
     SOME INVESTIGATION AND ANALYSIS ABOUT THE SPIKE—LAYER UNIFORMITY IN WINTER WHEAT VARIETIES
     冬小麦品种层整齐度的调查和分析
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     Tissue Culture of Young Spike, Stem and Nod of Wheat and Plantlet Regeneration
     小麦幼、茎、节组织培养和植株再生
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     A preliminary study on breedrng of wheat with giant spike 1706 induced by laser
     激光小麦特大1706选育过程初探
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     A Study on the Inheritances of Spike Structural Traits in Grain Sorghum
     高粱结构性状的遗传研究
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     The Studies on the Relation between Stem Leaves And Characters of Spike in Winter Wheat
     冬小麦茎生叶与部性状关系的研究
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  panicle
     Study on the Effect of Temperature and Light Factors Upon the Rice Quality of the Different Panicle Weight Types of Rice (Oryza Sative L.) and Physiological Mechanism
     温光因子对不同重型稻米品质的影响及生理机制研究
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     Study on Erect Panicle Rice
     直立型水稻的研究
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     Genetic Analysis of Several Yield Components and Yield-related Characters in Japonica Rice and Cloning of Oen Gene OsZPT3-1 Related to Rice Panicle Development
     水稻产量构成及产量相关性状遗传分析和一个发育相关基因的克隆
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     Studies on Rule of Panicle Differentiation and its Application in Regeneration Rice
     再生稻幼分化形成规律及其应用的研究
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     AN OBSERVATION OF PANICLE DIFFERENTIATION OF DIFFERENT CULTIVARS OF UPLAND RICE
     陆稻不同品种(系)幼分化的观察
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  stachys
     The larvae scattered to the other plants after 2 to 3 larval instar resulting in deathheart, deathbooting and wite stachys.
     幼虫2~3龄后分散到附近植株上并钻茎为害,常造成“枯心”、“枯孕”、“白”等典型被害状。
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     OPAL Liquid fertilizers with different concentrations were sprayed on 1-yr-old satus seedlings and grafting seedlings, 3-yr-old field planting seed trees and pick-off stachys tree of Juglans nigra;
     以 1年生美国黑核桃实生苗、嫁接苗和定植 3年的种子树、采树为试验材料 ,在生长期喷施不同倍数的OPAL液肥 ,结果表明 :采树、种子树平均树高比对照分别提高了 2 6 .13%和4 6 .15 % ; 胸径比对照分别提高了 37.36 %和 2 4 .4 8% ;
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     The correlation between economic coefficient and 13 characters ,that is biology yield,plant height,wheat neck length, wheat neck thickness, sword leaf length, sword leaf width, seed setting spikelet number, sterile spiketlet number, spike length, spikelet density, grain number per stachys, grain weight per stachys and stem thickness were analysed on 10 wheat varieties (strains)from Hubei Province.
     以湖北省 1 0个小麦品种 (系 )为试验材料 ,研究各个品种 (系 )的经济系数与生物学产量、株高、颈长和粗、剑叶长和宽、结实小数、不实小数、长、小密度、粒数、粒重、茎粗的相关性。
短句来源
     Using the method of stepwise regression analysis, it was found that the correlation between economic coefficient and biology yield,grain weight per stachys were significant in most varieties, and some varieties had significant correlation between economic coefficient and other charaiters.
     同时用逐步回归分析了经济系数与各性状的回归关系。 结果表明 ,大多数品种 (系 )的经济系数与生物学产量及粒重显著相关 ,同时某些品种 (系 )的经济系数与其他变异参数也显著相关。
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      ear
    When the FAI moved from the median line towards the right or left ear, the initial part of the trajectory was masked; when the movement direction was opposite, the final part was masked.
          
    In the second group, the trajectories were located near the ears when the FAI moved from either ear and shifted towards the median line as a result of masking.
          
    When the movement direction was opposite, they were close to the median line and shifted towards the ear under masking conditions.
          
    With initial 400- and 200-μs delays, the trajectory values were significantly greater in the group of male subjects if a SI moved from the right or left ear to the median line of the head.
          
    Comprehensive Longitudinal Study of the Physical and Psychophysiological Development of Schoolchildren at the Preadolescent, Ear
          
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      spike
    The Time-Frequency Structure of the Spike-Wave Discharges in Genetic Absence Epilepsy
          
    In longitudinal supersonic flow over spiked cylinders nonsteady regimes can occur in which a separation zone is periodically generated at the spike, grows vigorously in size, and then vanishes.
          
    The authors, however, did not systematically study the dependence of the pulsation frequency on the freestream Mach and Reynolds numbers or on the relative diameter and tip angle of the spike.
          
    We are concerned primarily with the influence of the dimensionless parameters on the Strouhal number Sh of the separation zone pulsations at a spike attached to the front of a flat-ended cylinder.
          
    The problem of axisymmetric flow of a perfect heat conducting gas over a cylinder from the front of which a spike projects is solved at subsonic and supersonic velocities of the oncoming flow in the model of a viscous fluid.
          
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      panicle
    In a series of experiments, callus with no regeneration ability was induced from young panicle ofO.
          
    A mutant of spikelet differentiation in rice called frizzle panicle (fzp) was discovered in the progeny of a cross between Oryza sativa ssp.
          
    The mRNA has been extracted from the young panicle at the meiotic stage.
          
    The fertile and sterile young panicle representational populations were constructed by bulked sampling method using young panicles in the photo-period sensitive stage of fertility transformation.
          
    The vertical gradients of leaf biomass, nitrogen and water contents were associated with the nitrogen availability during tillering, panicle formation, initial heading and heading.
          
    更多          
      wheatear
    More frequent than intraspecific interactions were interspecific encounters, with 94% involving the local mourning wheatear (Oenanthe lugens).
          
    On the small North Sea island Helgoland (54°11'?N, 07°55'?E) we studied the stopover ecology of two subspecies of northern wheatear, Oenanthe oenanthe, during spring migration.
          
    The observed differences in stopover behaviour and departure decisions in the two subspecies of northern wheatear indicate that the distance to the next stopover site or to the goal area has to be considered when applying optimal migration models.
          
    We modified such models for the special case of the east Atlantic crossing of the Northern Wheatear (Oenanthe oenanthe).
          
    Black Wheatear pairs initiated 1-5 breeding attempts in a season, including relayings, and managed to raise 0-3 broods and 0-13 fledglings.
          
    更多          
      其他


    This preliminary study of the influence of spikelet pruning on the quality and yield of wheat grains was carried out at Fukien Agricultural College in October 1952 through May 1953. The results are summarized as follows: 1. The number of grains increases in each spikelet as a result of pruning. 2. Size, weight, and protein content of the grain increase both with the difference in variety and the dates of planting. 3. Treated wheat plants ripen earlier. 4. The total yield decreases slightly. This is probably...

    This preliminary study of the influence of spikelet pruning on the quality and yield of wheat grains was carried out at Fukien Agricultural College in October 1952 through May 1953. The results are summarized as follows: 1. The number of grains increases in each spikelet as a result of pruning. 2. Size, weight, and protein content of the grain increase both with the difference in variety and the dates of planting. 3. Treated wheat plants ripen earlier. 4. The total yield decreases slightly. This is probably due to the fact that the gain in weight of grains does not overcome the loss of weight by the removal of some of the spikelets,

    作者等于一九五二年十月至一九五三年五月在本校农场进行小麦花序修整的研究,结果归纳如下: 1.剩佘小的结实性,种子肥大性,及蛋白质含量均有提高,但提高的程度因品种和播种期而有所不同。 2.成熟期提早。 3.不同品种不同播种期,对于修整花序有不同的反应,以迟熟种的反应更为显著。 4.产量稍为减低,可能是因为千粒重的增加弥补不了粒数的减少。

    In connection with experiments on the control of the rice stem borer, aseries of observations were conducted in 1949 to 1952 in Canton to determinethe form of the distribution of the moth, the egg-mass and the larval popula-tions of this species. It was found that the moth and egg-mass populations inrice seed-beds are in essential agreement with the random distribution of thePoisson series. The larval population in spring-crop fields apparently conformsto the contagious and the negative binomial distributions....

    In connection with experiments on the control of the rice stem borer, aseries of observations were conducted in 1949 to 1952 in Canton to determinethe form of the distribution of the moth, the egg-mass and the larval popula-tions of this species. It was found that the moth and egg-mass populations inrice seed-beds are in essential agreement with the random distribution of thePoisson series. The larval population in spring-crop fields apparently conformsto the contagious and the negative binomial distributions. The larval population during hibernation period appears to be neither of the random distribution norof the contagious type but agrees with the negative binomial distribution. The population distribution of the injured stems, characterized by the ap-pearance of "dead-hearts" and "white ears" was also studied. The "dead-hearts"popolation in autumn-crop fields conforms with the contagious and the negativebinomial distribution. The distribution of the "white ears" is not at random. It iseither in essential agreement with the contagious or with the negative binomialdistribution, depending on the size of the sampling unit. Based on the form of population distribution the questions of sampling tech-nique, the design of field experiments, the transformation of data for statisticalanalysis, as well as the habits and control of insects have been discussed inrelation to the rice stem borer. Since the populations of larvae and "whiteears" differ significantly from the random distribution, a new technique forsampling has been proposed. It is hoped that this may be useful in the investi-gations on the relative effectiveness of control operations and for census purposes.

    (一)本文就昆虫常见的数种集团分布:潘松分布、核心分布和负二项式分布的公式、性质和例子等略加讨论介绍。 (二)我们在广州附近对三化螟各时期和白、枯心苗的田间分布型式作了初步的调查,所得结果如下: 1.螟蛾和卵块在秧田上是随机分布的。 2.幼虫在本田分布不随机,符合核心分布和负二项式分布。 3.白在田间的分布不随机,1×1丛、2×2丛、……6×6丛各种取样单位型样本均符合负二项式分布,4×4丛、5×5丛和6×6丛三种取样单位型样本则更符合核心分布。 4.稻遗株内越冬幼虫分布不随机,亦不符合核心分布,但符合负二项式分布。 5.晚造本田枯心苗田间分布不随机,符合核心分布和负二项式分布。 (三)本文就昆虫集团分布型式的调查在实用上的意义,联系到三化螟来讨论,我们论及与虫害调查取样技术、田间试验设计、统计代换方法、昆虫生活习性和害虫防治等各方面的关系;其中取样技术方面,我们举出针对三化螟幼虫在本田和白不随机分布的取样新方法的尝试,希望对今后螟害调查工作有所帮助。 (四)最后,我们就一些昆虫分布的特殊问题加以论列,像密度对分布型式的影响,混合集团和环境因素的影响于昆虫集团分布类型...

    (一)本文就昆虫常见的数种集团分布:潘松分布、核心分布和负二项式分布的公式、性质和例子等略加讨论介绍。 (二)我们在广州附近对三化螟各时期和白、枯心苗的田间分布型式作了初步的调查,所得结果如下: 1.螟蛾和卵块在秧田上是随机分布的。 2.幼虫在本田分布不随机,符合核心分布和负二项式分布。 3.白在田间的分布不随机,1×1丛、2×2丛、……6×6丛各种取样单位型样本均符合负二项式分布,4×4丛、5×5丛和6×6丛三种取样单位型样本则更符合核心分布。 4.稻遗株内越冬幼虫分布不随机,亦不符合核心分布,但符合负二项式分布。 5.晚造本田枯心苗田间分布不随机,符合核心分布和负二项式分布。 (三)本文就昆虫集团分布型式的调查在实用上的意义,联系到三化螟来讨论,我们论及与虫害调查取样技术、田间试验设计、统计代换方法、昆虫生活习性和害虫防治等各方面的关系;其中取样技术方面,我们举出针对三化螟幼虫在本田和白不随机分布的取样新方法的尝试,希望对今后螟害调查工作有所帮助。 (四)最后,我们就一些昆虫分布的特殊问题加以论列,像密度对分布型式的影响,混合集团和环境因素的影响于昆虫集团分布类型等,就中说明了密度过大过 小时了解分布型式成为不必要的,因为极度的不均衡会回复为均衡状态的。

    The rice stem borer, Chilo Simplex Butler causes great damage to therice crop in the medium semi-glutinous rice region, long water rice region,and late semi-glutinous rice region in Kiangsu. Rice stem borer has two generations a year. The first generation is mostabundant between mid-and late July. The second generation is most abundantin mid-late August. In 1952 and 1953, the borer had had reached and suchabundance cave in the middle of September, that a third incomplete generationseemed probable. Experimental...

    The rice stem borer, Chilo Simplex Butler causes great damage to therice crop in the medium semi-glutinous rice region, long water rice region,and late semi-glutinous rice region in Kiangsu. Rice stem borer has two generations a year. The first generation is mostabundant between mid-and late July. The second generation is most abundantin mid-late August. In 1952 and 1953, the borer had had reached and suchabundance cave in the middle of September, that a third incomplete generationseemed probable. Experimental result shows that late sowing and late transplanting of riceminimized borer damage.

    (一)二化螟在江苏省中粳区、沤田区及晚粳区为害严重,大部分枯心苗均为其造成。白中幼虫数目相当高,最多一株有137头。 (二)二化螟的发蛾期,一般来讲,第一代盛发期约在6月中、下旬。第二代盛发期约在8月中、下旬。根据观察记载资料,望亭一带,1952年、1953年均在9月中、下旬又起高峰,可能有不完全第三代的出现。 (三)试验记录中指出,人为的移栽对蚁螟的生存,有抑制作用。在栽培制度上,应控制第一代蛾螟卵盛孵期,在秧田内进行。以期达到水稻少受二化螟的为害。 (四)水稻受二化螟为害后,除造成枯心苗白外,并造成有虫株。其百分率最高占14.5%。有虫株与健,重相差0.46克。千粒重最高相差3.09克。 (五)在稻根稻草中,二化螟越冬比例,稻根为43.41%,稻草为56.59%。 (六)在不同播种期;移栽期各处理间,受二化螟为害,差异显著。望亭一带适宜播种期、移植期,以5月25日播种,6月28日移栽为最佳。 (七)第一代螟卵之寄生率平均为25.46%。寄生蜂种类有:(1)日本赤眼蜂,(2)稻螟黑卵蜂。 (八)在防治上,除运用行之有效的治螟办法,如秧田捕...

    (一)二化螟在江苏省中粳区、沤田区及晚粳区为害严重,大部分枯心苗均为其造成。白中幼虫数目相当高,最多一株有137头。 (二)二化螟的发蛾期,一般来讲,第一代盛发期约在6月中、下旬。第二代盛发期约在8月中、下旬。根据观察记载资料,望亭一带,1952年、1953年均在9月中、下旬又起高峰,可能有不完全第三代的出现。 (三)试验记录中指出,人为的移栽对蚁螟的生存,有抑制作用。在栽培制度上,应控制第一代蛾螟卵盛孵期,在秧田内进行。以期达到水稻少受二化螟的为害。 (四)水稻受二化螟为害后,除造成枯心苗白外,并造成有虫株。其百分率最高占14.5%。有虫株与健,重相差0.46克。千粒重最高相差3.09克。 (五)在稻根稻草中,二化螟越冬比例,稻根为43.41%,稻草为56.59%。 (六)在不同播种期;移栽期各处理间,受二化螟为害,差异显著。望亭一带适宜播种期、移植期,以5月25日播种,6月28日移栽为最佳。 (七)第一代螟卵之寄生率平均为25.46%。寄生蜂种类有:(1)日本赤眼蜂,(2)稻螟黑卵蜂。 (八)在防治上,除运用行之有效的治螟办法,如秧田捕蛾采卵、点灯诱蛾、剪除枯心苗和白、保护寄生蜂、处理稻根外,在栽培制度上,如何利用适宜播种期,减轻或免除二化螟灾害,为今后值得注意的问题。

     
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