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当量比
相关语句
  equivalent ratio
    Application of Land Equivalent Ratio (LER) on Sequential Cropping
    土地当量比和复种指数的应用研究
短句来源
    Land Equivalent Ratio (LER) of spring barley/ spring maize intercropping and spring wheat/ spring maize intercropping were 0.99-1.32 and 1.08-1.41 based on grain yield, and 0.98-1.31 and 1.06-1.42 based on biomass, respectively.
    在大麦/玉米和小麦/玉米间套作生态系统中,以籽粒产量计算的土地当量比(LER)分别为0.99-1.32和1.08-1.41; 以生物学产量计算的土地当量比分别为0.98-1.31和1.06-1.42。
短句来源
    【Conclusion】It was found that the land equivalent ratio of sequential cropping,intercropping,and crop rotation is 1.68,1.38 and 1.21.Compared with single cropping,the land use efficiency under different cropping patterns is increased by 68%,38% and 21%,respectively.
    结论复种套作、间混作及轮作的土地当量比分别为1.68、1.38和1.21,三种不同的种植方式土地利用效率较单作分别提高68%、38%和21%。
短句来源
    The main results obtained were as the following:(1) Land equivalent ratio (LER) was greater than 1.0 for faba bean (Viciafaba L.) /maize (Zea mays L.)
    (1)蚕豆/玉米间作的土地当量比(LER)都大于1;
短句来源
    Land equivalent ratio (LER) was raised by inoculating rhizobium, with LER values of 1.43~1.57 based on grain yields in maize/fababean system.
    蚕豆接种处理与施225 kg·hm~(-2)纯氮处理的总产量相当,且接种提高了以籽粒产量为基础的土地当量比,可达1.43~1.57。
短句来源
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  “当量比”译为未确定词的双语例句
    Intercropping effects were detected, with land equivalent ratios (LERs) of 1.21-1.24 based on biological yield and 1.13-1.43 based on grain yield.
    以籽粒产量和生物学产量为基础的(?) 地当量比(Land equivalent ratio)分别为1.10-1.34和1.21-1.24,均大于1;
    1.1574。 In general, the average of LER of Iwpm2:6 was 1.2460, which could raise the soil use efficiency by 24.60%, had obvious relay intercropping advantages.
    研究结果如下:1间套作复合群体的高产高效特性以小麦花生复种为对照,处理Iwpm2:4、Iwpm2:6的效果较好,其土地当量比分别是1.4578、1.3620; 以小麦与玉米复种为对照,处理Iwpm2:6、Iwpm2:8的效果较好,其土地当量分别是1.1299、1.1574。
短句来源
    2 Nitrogen competition and utilization in different inter-planting and relay-planting systems of wheat, peanut and maize and its effects on yield and quality
    但综合考虑,处理Iwpm2:6的土地当量比平均为1.2460,可提高土地利用率分别为24.60%,具有较高的经济效益,是比较好的种植模式。 2不同间套作模式对资源利用的互补和竞争及其对产量和品质的影响
短句来源
    On the basis of land equivalent ratioof inter cropping and thexed cropping the theory and method of quantitative evaluation of inter-cropping and mixedcropping were discussed in this paper.
    在剖析间混作土地当量比的基础上,本文针对间混作群体的特点,对间混作效果定量评价的理论与方法进行了研究,提出了间混作当量的概念、计算公式,对其应用范围及内涵进行了讨论。
短句来源
  相似匹配句对
    Application of Land Equivalent Ratio (LER) on Sequential Cropping
    土地当量和复种指数的应用研究
短句来源
    The main results obtained were as the following:(1) Land equivalent ratio (LER) was greater than 1.0 for faba bean (Viciafaba L.) /maize (Zea mays L.)
    (1)蚕豆/玉米间作的土地当量(LER)都大于1;
短句来源
    Input/Output was 1:2.3;
    投产为1:2.3;
短句来源
    Comparison of taxonomic classification between Udic Luvisol and Udic Camisol
    湿润淋溶土、雏形土系统分类的参
短句来源
    Determination of Convection Coefficient and Equivalent Conduction Coefficient of Corn During Hot Air Drying
    玉米热风干燥中对流换热系数和当量导热系数的确定
短句来源
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  equivalent ratio
The nuclease activity was either suppressed or stimulated in the presence of PCMB depending on the C7H5O2Hg+ to nucleotide equivalent ratio.
      
When Cu(II) bis(isobutyl) dithiocarbamate was used in an equivalent ratio with an initiator, the polymerization of MMA proceeded as a well-controlled process and yielded a monodisperse polymer.
      
When Cu(II) bis(isobutyl) dithiocarbamate was used in an equivalent ratio with an initiator, the polymerization of MMA proceeded as a well-controlled process and yielded a monodisperse polymer.
      
A model approach to inflation is generated through a newIS-LM analogous synthesis of money, output and prices incorporating several capacity equivalent ratio variables of the product, the factor and the money markets.
      
The high contribution of (Ca+Mg) to the total cations, high concentration of dissolved silica, relatively high (Na+K)/TZ+ ratio (0.3) and low equivalent ratio of (Ca+Mg)/(Na+K) suggests combined influence of carbonate and silicate weathering.
      
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Yield increase and benefit improvement,soil water use,water consumption of the complex system and supplementary water supply effects in the complex wheat corn system were studied on the rainfed highland in the east Gansu Province during the years of 1991~1995.The results showed in the following:(1)the complex wheat corn system had the great advantages of yield increase and benefit improvement and intensive use of water resources so that the land...

Yield increase and benefit improvement,soil water use,water consumption of the complex system and supplementary water supply effects in the complex wheat corn system were studied on the rainfed highland in the east Gansu Province during the years of 1991~1995.The results showed in the following:(1)the complex wheat corn system had the great advantages of yield increase and benefit improvement and intensive use of water resources so that the land equivalent ratio and the income equivalent ratio were 1.215 and 1.199 respectively.(2)Total value of wheat marginal effect in the system reached 94.9%~144.5%,whose supplementary water supply ratio reached 18.9%~28.9%.(3)The competitive use for soil water by wheat was the main cause resulting in serious water stress to corn plant.Water consumption of the system was less than the accumulative by mono cultutivation of wheat and corn.The amount of water stress in the system ranged from 110.2mm to 151.8mm.and (4)Supplementary water supply to corn root zone can improve corn yields by a wide margin,but supplementary water supply effects varied greatly in the rainfall year types.

1991~1995年研究了陇东旱原冬小麦玉米组合系统的增产增收、土壤水分利用、组合耗水量及补偿供水效应。结果表明:(1)小麦玉米组合系统具有增产增收和水资源集约利用的优势,土地当量比,收益当量比分别达到1.215、1.199。(2)在组合系统中,冬小麦边行优势总值达到94.9%~144.5%,其补偿率为18.90%~28.99%。(3)冬小麦对土壤水分的竞争利用是玉米带土壤水分不足的主要原因,系统组合耗水量明显小于小麦、玉米单作耗水量的累加值,水分缺额110.2~153.8mm。(4)玉米根际补偿供水具有明显的增产效果,但供水效应不同降水年型之间差异较大

A newly-bred specially

本试验选用新近育成的特早熟春大豆在棉田早期间作,以探讨这一复合群体的生物学及其在生产、经济上的适应性。结果表明:本试验所形成的复合群体在作物生育期、植株高度、植株横向生长及田间叶面积指数发展等方面相互之间均存在良好的相互适应以及整体对本地综合生态环境的良好适应,取得了土地当量比为1.96的效果,在生产和经济上均具有明显的优越性和可行性。

Total yield and benefit,soil water variational law and rainfall use,complex water consumption, and water supplying effects in corn root were studied based on the yield data with intercropping conducted at the dryland of the East Gansu during 1991~1995.The results of above research were as follows:(1) The wheatcorn system had great advantage in the yield increase and resource use efficiency,and its Land Equivalent Ratio,Income Equivalent Ratio,Light Engery Use Efficiency,Rainfall Use Efficiency were up to 1.215,1.199,0...

Total yield and benefit,soil water variational law and rainfall use,complex water consumption, and water supplying effects in corn root were studied based on the yield data with intercropping conducted at the dryland of the East Gansu during 1991~1995.The results of above research were as follows:(1) The wheatcorn system had great advantage in the yield increase and resource use efficiency,and its Land Equivalent Ratio,Income Equivalent Ratio,Light Engery Use Efficiency,Rainfall Use Efficiency were up to 1.215,1.199,0 205%,8.69 kg/hm 2·mm respectively.(2) Wheat's marginal effects were the key in yieldincreasing,but wheat's competition for soil water resulted in serious shortage of water corn required. Complex water consumption in wheatcorn was less than total water consumption of sole wheat and sole corn.The amount of water shortage in the system ranged from 110.2 to 151.8 mm.(3) Corn yield can be increased greatly by supplying water to its root zoon,but water supplying effects were great different in year types of rainfall.

1991~1995年对陇东旱地冬小麦套种玉米的增产效果,土壤水分利用,组合耗水量及玉米根际补偿供水效应等研究结果表明:①旱地小麦玉米套种具有增产增收和资源高效利用的优势,土地当量比、收益当量比、光能利用率、降水生产效率分别达1.215、1.199、0.205%、8.69kg/mm·hm2;②边行优势是小麦玉米套种增产的关键,但小麦对土壤水分的竞争利用是玉米带土壤水分不足的主要原因。小麦玉米套种组合耗水量明显小于玉米、小麦单作的累加值,水分缺额为110.2~153.8mm;③玉米根际补偿供水具有明显的增产效果,但供水效应在不同降水年型之间差异较大

 
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