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yield     
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  产量
    Photosyuthesis and Problems of Crop Yield
    光合作用与产量问题
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    EFFECT OF SEVERAL FACTORS ON THE YIELD OF WATERMELON
    影响西瓜产量若干因素的探讨
短句来源
    THE DYNAMIC CHANGE OF COMPONENT FACTORS OF HIGH YIELD ON PEACH TREES
    桃树高产栽培中产量构成因素的动态变化
短句来源
    STUDIES ON PATH ANALYSIS OF THE FACTORS OF YIELD FORMING IN BAISU PEAR
    酥梨产量构成因素的通径分析
短句来源
    RELATIONSHIP BETWEEN SPRING LATE SOWING AND YIELD, FRUIT QUALITY OR PICKING TIME OF WATERMELON
    西瓜春季迟播与产量、果实品质及采摘期的关系
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  得率
    Moreover, the yield rate of total RNA is larger in the treated group than in the control group(Tab 4.1).
    且声波处理组菊花总RNA得率要大于对照组(见表4.1)。
短句来源
    3. The rate of mycelia obtained in liquid medium and the yield of cultivation of L9608 and L241-4 were relatively higher among the strains of the testing 6 strains of Lentinus edodes.
    3、在6个供试香菇菌株中,L9608和L241-4两个菌株在液体培养基中的菌丝得率和接种栽培的产量均较高。
短句来源
    This experiment studied the effects of NAA,2,4-D,IBA and L-Glu on Pleurotus Citrinopileatus mycelia yield and exopolysaccharide content.
    研究了NAA、2,4-DI、BA和L-Glu 4种生长因子在深层发酵中对榆黄菇菌丝体得率及胞外多糖产量的影响。
短句来源
    EFFECTS OF CHITOSAN ON YIELD AND QUALITIES OF MUNG BEAN SPROUT
    壳聚糖对豆芽得率和品质的影响
短句来源
    However, some problems such as low producing ratio of EGB, low content of medicinal composition in EGB and so on exist in many leaf-processing factories of Ginkgo biloba in China. Selecting leaf-used strains that contain high medicinal composition is a crucial means to circumvent the problems mentioned above and realize high yield, High quality and high benefit in factories in the long run.
    但目前我国银杏叶加互企业大都存在产品(EGB)收得率不高,有效成分含量低等问题,选育叶用银杏品种是解决上述问題的重要手段,亦是实现我国银杏产业长期高产、优质、高效的关键。
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  增产
    THE EFFECT OF “EF” ON YIELD OF HERBERT GRAPE
    “EF”植物生长促进剂对黑莲子葡萄增产效果的影响
短句来源
    A Preliminary Report on the Yield Increase Effect of Appllication of Potassium to Lycium Barbarum
    枸杞施钾增产效果初报
短句来源
    EFFECT OF Zn AND B ON GINGER (ZINGIBER OFFICINALE ROSC.)YIELD AND THE LAW OF ABSORPTION AND DISTRIBUTION
    锌、硼对生姜(Zingiber officinale Rose.)的增产效果及吸收、分配规律的研究
短句来源
    Effect of Boron Application to New and High Yield Species Rape of Qinyou No. 2 on Disease Resistance and Yield Increasing
    施硼对高产油菜新品种秦油2号的防病增产效果
短句来源
    The results showed that the root weight,height of romaine lettuce were increased by 17.7%~23.4% and 18.6%~89.4%,respectively. The yield were increased by 55.6% to 132.9 % in six manure treatments (P≤0.01) and the effect was in the order of RS>CM>PP>MS>RM>PM.
    结果表明,施用有机肥料显著增加生菜株高和根重,产量增加55.6%-132.9%,达极显著水平(P≤0.01),其增产顺序依次为稻草(RS)>鸡粪(CM)>泥炭(PP)>玉米秆(MS)>菜籽饼(RM)>猪粪(PM).
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  产量的
    Effects of 1-(α-pyridine) Propanol-2 (PGR-1) on Betel Plantlet and Plant Yield
    1-(α-吡啶)丙醇-2(PGR-1)对槟榔植株生理效应和产量的影响
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    A Study on Increasing the Survival Rate of Transplant Seedlings from Pollen Culture and the Yield per Plant of H_1 for Winter Wheat(Triticum aestivum)
    提高冬小麦花粉试管苗移栽成活率和H_1单株产量的研究
短句来源
    THE RELATIONSHIP OF FIRST PEAK STATE IN EARLY PHYSIOLOGICAL FRUIT DROP OF CITRUS RETICULATA WITH METEOROLOGICAL CONDITION AND POSSIBLE YIELD PREDICTION
    温州蜜柑早期生理落果的第一峰点与气象条件关系及其对产量的预测
短句来源
    Studies on Decreasing Causes of Standard Fruit Ratio of Sand Pear (Pyrus pyrifolia Nakai) Cultivars Ⅱ Influence of Mineral Nutrient Concentrations in Leaves at Preharvest on Mature Fruit Size and Yield
    砂梨品种等级果下降原因的研究Ⅱ采果前叶片矿质养分含量对果个大小及产量的影响
短句来源
    Research on the Effects of Differeht Waste Materials on the Growth and Yield of the Tricholoma TM
    不同废料对口蘑TM生长和产量的影响
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      yield
    We also prove that some unimodular wavelets yield unconditional bases in Lp(?).
          
    The same technique of proof is also applied to yield an existence result for A-dilation MRA subspace wavelets.
          
    In most applications, it is this overcompleteness that is exploited to yield a decomposition that is more stable, more robust, or more compact than is possible using nonredundant systems.
          
    This article shows that those abstract results yield an array of new implications for irregular Gabor frames.
          
    The base-catalyzed condensation of thioureas (1-3a-i) with acetone was carried out in the presence of bromine to afford the corresponding 1-(isomeric methyl) benzoyl-3-aryl-4-methyl-imidazole-2-thiones (4-6a-i) in good yield.
          
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    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...

    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.剩佘小穗的结实性,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。

    Occurrence of Ustilago tritici on the improved varieties of spring wheat is a serions problem in Manchuria.The use of modified hot-water treatment in the early spring is more or less limited on account of the enormous quantity of seeds and the short period of sowing time.For this purpose,the hot-water treatment of the seeds in the fall and to store over the winter after being perfectly dried is suggested. Experments are held in the laboratory and greenhouse,as well as in the field. The treated and untreated...

    Occurrence of Ustilago tritici on the improved varieties of spring wheat is a serions problem in Manchuria.The use of modified hot-water treatment in the early spring is more or less limited on account of the enormous quantity of seeds and the short period of sowing time.For this purpose,the hot-water treatment of the seeds in the fall and to store over the winter after being perfectly dried is suggested. Experments are held in the laboratory and greenhouse,as well as in the field. The treated and untreated seeds are stored under various environmental conditions at different periods of longevity.A final measurement between treated and un- treated seeds is made. The results obtained from 1953 to 1955 indicate as follows:Generally,under normal dry conditions of more than five months' storage,there is no difference between treated and untreated seeds in the percentages of germination,rates of emergence,heights and dry weights of seedlings,and yields.However,under conditions of high relative humidity,the treated seeds would be deteriorated in the same manner as the untreated ones.Although the results point out that the treated seeds tend to delay the emergence of seedlings from soil,yet,it does not influence the later growth of the wheat plants.Varietal difference between the treatments in the experiments is insignificant. The tentative results lead to a conclusion that the seeds of spring wheat varieties to be treated in the fall and stored in the winter may have a practi- cal value in Manchuria.

    1.经二年的试验证明,小麦种子经冷水温汤浸种后,充分干燥,在普通干燥室内贮藏达5个月以上,其发芽、出土、苗期生长及最终产量均不受影响。2.在潮湿情况下贮藏,种子的出土率即迅速降低。但温汤浸种后的种子对湿度的感应与一般种子无异。3.参加试验的三个东北地区小麦推广良种对于浸种与贮藏关系上所表现的反应一致。4.贮藏对温汤浸种的防病效果无影响。

    Experiments were carried out with more than 70 varieties and 30 cross combinationS over three years to Study the de elopment of Some characters in the tomato plant in shenyang area.The following primary conclnsions have Leen drawn: 1.Under the condition that seedlings are raised in hot bed and trans planted to the open in early May, the growth period from the time of sowing to first harvest requires about 135 days; and it can be subdivided into the following stages,namely,the gevmination stage (12.5±6.5 days),...

    Experiments were carried out with more than 70 varieties and 30 cross combinationS over three years to Study the de elopment of Some characters in the tomato plant in shenyang area.The following primary conclnsions have Leen drawn: 1.Under the condition that seedlings are raised in hot bed and trans planted to the open in early May, the growth period from the time of sowing to first harvest requires about 135 days; and it can be subdivided into the following stages,namely,the gevmination stage (12.5±6.5 days), the seedling stage (29.5±5.5 days), the flower development stage (35±8 days), and the fruit development Stage including the flowering stage (58±10 days),Flower bud differentiation usually begins during the appearance of the fourth leaf.Within the growing season, the shortest growth period occurred white seed were sown in June, and under such condition the time required from seedling emergence to first harvest needs only 80 days. 2.Temperature is the main factor which influences the length of the second developmental stage, which is shorter with mean temperature above 20℃ than it is around 15℃.The main factor that influences the length of the third developmental stage is the intensity of light.The effect of other factors such as the daily mean temperature, deposition of rainfall and others within the range of seasonal variation seems to have only minor importance.With the fourth and fifth developmental stage, temperature is still the main influencing factor. 3.Earliness of maturity has been found to be dependent both upon the time of flowering and the length of fruit development period.Under ordinary cultural condition it depends more upon the length of fruit development period, while under condition unfavorable for flower bud differentiation it depends more upon the flowering time. 4.The position of the first inflorescence varies with the growth condition of seedlings, and its year-round curve (including greenhouse culture) appears to have two peaks, i.e.higher in Spring and Autumn sowing, lower in Summer and Winter Soving.This is also true with hybrid seedlings.It seems that under ordinary condition light intensity and the daily amplitude of temperature are the two main factors which affect the position of the first inflorescence. 5.No Significant correlation was found letween earliness and the position of first inflorescence.The Conventional hypothesis which postulates,the existence of this correlation calls for further consideration. 6.There is no significant correlation existing between the length of fruit development period and the size of fruit finally attained.The length of fruit development period seems to be determined mainly by the rate of development in early stage with mean temperature alove 20℃ which is found to be more rapid than that of 15℃.Fruits that have reached the size alout half of their final diameter require about 25 days for further develop ment to reach maturity under all experimental conditions.Tomato fruits reuire alout 800℃ of summation of mean daily ternperature to develop from fertilization to maturity.However, early varieties may be satisfied with temperature summation lower than this, while late varieties may require a little higher than this. 7.Continuous selection of the early ripening fruits from early maturing plants results in gradually tropping of the mean fruit weight. 8.when plants were prunned to set only with three trusses of fruits, the varietal difference expressed as average yield to the plant was found to have no significant correlation with the mean numler of fruits to the plant tut to depend mainly upon the mean frnit weight of the variety. 9.The distribution of yield within the harvesting period from June to August may roughly be expressed by a curve with only one peak.if the yield is counted by every ten days, then most varieties reach their highest yield at the third or fourth time of picking.Generally, the first three pickings have already yielded about 70—90% of their total products.Inorder to utilize the land more economically a harvesting period lasting 30—40 (lays should be considered as suitable. 10.Most F_1 hybrids are superior to the parents as regard to the earliness of maturity, proluctivity, and high yield on the early stage.Among the varieties which have been tested,"Bison","Bounty" and"podaleaskovsky" are better parents for prolucing early and productive F_1 hybrids.

    本文是从1954年起到1957年三年多时间内在沈阳对总共七十多种和三十多杂交组合的番茄的一些性状的观察研究总结,初步结论有以下几点: 一、在沈阳地区春冬温床育苗的情况下番茄从播种到初次收获约需135天,其中发芽期为12.5±6.5天,幼苗期29.5±5.5天,花器发育期为35±8天,果实发育期包括开花期在内为58±10天。花芽分化开始于第四真叶出现时。在一年之中6月播种的物候期最短,从出土到初次收获仅80天。二、影响第二发育分期长短的主要因素是气温,凡是平均温度在20℃以上的都比在15℃左右的短。影响第三发育分期长短的主要因素是光照强度。在自然气候变异幅度内的温度降水量等因素虽有影响但不及光照,影响第四和第五发育分期长短的主要因素也是温度。三、花期早晚和果实发育期的长短对早熟性有大致相等的重要性。在通常温床育苗情况下受果实发育长短的影响较大,当幼苗期条件不利于花芽分化时则受花期早晚的影响较大。四、第一花序节次的高低随育苗环境条件而变。在一年中有二次高低节次变化(包括温室栽培在内),即春秋低冬夏高。杂种也表现相似的趋势。节次的高低似乎主要决定于光照强度和日温差大小。五、第一花序节次的高低和品种成熟期的早晚并无一...

    本文是从1954年起到1957年三年多时间内在沈阳对总共七十多种和三十多杂交组合的番茄的一些性状的观察研究总结,初步结论有以下几点: 一、在沈阳地区春冬温床育苗的情况下番茄从播种到初次收获约需135天,其中发芽期为12.5±6.5天,幼苗期29.5±5.5天,花器发育期为35±8天,果实发育期包括开花期在内为58±10天。花芽分化开始于第四真叶出现时。在一年之中6月播种的物候期最短,从出土到初次收获仅80天。二、影响第二发育分期长短的主要因素是气温,凡是平均温度在20℃以上的都比在15℃左右的短。影响第三发育分期长短的主要因素是光照强度。在自然气候变异幅度内的温度降水量等因素虽有影响但不及光照,影响第四和第五发育分期长短的主要因素也是温度。三、花期早晚和果实发育期的长短对早熟性有大致相等的重要性。在通常温床育苗情况下受果实发育长短的影响较大,当幼苗期条件不利于花芽分化时则受花期早晚的影响较大。四、第一花序节次的高低随育苗环境条件而变。在一年中有二次高低节次变化(包括温室栽培在内),即春秋低冬夏高。杂种也表现相似的趋势。节次的高低似乎主要决定于光照强度和日温差大小。五、第一花序节次的高低和品种成熟期的早晚并无一定的相关,所以这方面的传统说法是需要修正的。六、果实发育所需时期的长短与果实最后达到的大小无明显相关。果实发育期的长短主要决定于幼果期的发育速度,而幼果期的长短主要决定于气温,平均温度在20℃以上时显著较在15℃左右时为速。果实发育所需積温约在800℃左右早熟品种较少晚熟品种较多。七、继续选择早熟单株早期果实能使平均单果重逐渐减轻。八、在控制结实花序数的情况下平均单株产量主要决定于平均单果重而与平均单株结果数无明显相关。九、从6月下旬到8月的产果期内分期产量的分布呈单峯曲綫,如以十天为一期则一般品种都在第三第四期连产量的最高峯。一般前三期的产量已达总产量的70~90%,故为有效利用土地起见番茄从开始采果起经30~40天即可拔株。十、杂种第一代在早熟性丰产性和早期产量方面一般都优于亲本品种。从利用杂种第一代获得早熟丰产系统来讲「比」「矮红金」「波逹里斯可夫」等都是较优良的亲本。

     
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