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强根系
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  “强根系”译为未确定词的双语例句
     The photosynthesis and membrane-peroxidase enzyme of the grafted tomatoes, which the root activities were height during bearing fruit, were strong with high yield.
     在结果期具有较强根系活力的嫁接番茄,净光合速率高、过氧化物酶同工酶谱较浓、真菌数量少、产量高。
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     4. Liquid medium without agar is used for culture of in vitro plant before field setting, for this kind of medium has many advantages such as strong growth potential for plant, more roots, easy clean before transplantation, fastrestoration of plant after transplantation, and high survival rate.
     4.定植前的试管苗选用不添加琼脂的液体培养基培养,植株生长势强,根系多,移栽前清洗容易,栽后缓苗快,成活率高。
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     at all growth stages, dry matter, number, total length per plant of root system under non-tillage were higher than that of conventional tillage, the activities of root system under nontillage condition were stronger(stronger recuperative ability, bigger surface area, higher a-NA oxidative ability, wider and deeper distribution and stronger absorbing ability to 32p);
     其生理基础主要在于:免耕水稻各生育期具有较大的根系生长量(单株根干重,根数,总根长等),较强根系活力(较强的发根力,较大的表面积,较高的a-NA氧化力,较大的分布范围和对32P较强吸收能力等);
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     It also indicated that the grafted plants were better not only in root system,diameter of stem and leaf,plant height,and single fruit weight,but also in their resistant levels to the Verticillium fungus.
     茄子嫁接后 ,不仅植株生长势强 ,根系、叶片、茎粗、株高和单果质量都明显优于自根苗 ;
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     cm in depth so that tobacco growth was promoted,the root flourished,leaf area index became large and coefficient extinction of light was little,which caused the plant to take the great use of solar energy and promote the efficiency of photosynthesis,improved the quality of tobacco leaf and raise the ratio of the first class or middle leaf.
     同时 ,采用综合栽培措施的处理有将水分富集于 2 0cm土层的能力 ,烟株长势强 ,根系发达 ,叶面积指数大 ,叶倾角小 ,消光系数小 ,能充分利用光能 ,提高光合效率 ,改善烟叶质量 ,提高上等烟比例。
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     5. The absorbing power of the root system wasstronger.
     5.根系有较的吸收力。
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     the mostleaf area per plant maintained the middle and upper position of the plant, and theChlorophyll content of the plant was higher and the root vigor was strong.
     叶绿素含量高,根系活力
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     Defoliation and root rottingbecome progressively serious as the disease advances.
     根系腐烂。
短句来源
     The numbers of positive nNOS neurons in various ischemic groups were analyzed statistically a using one - way a
     阳性为
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     Plant root exudates.
     根系分泌物
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  aggressive root system
In urban forestry settings, milo has a non-aggressive root system.
      


In the radicle growth experiment where root tips of rice seedling were cultured in 5ppm GA solution for 4days, GA caused promotional effect on the growth of root system. The elongation of the isolated root tip treated with GA was 1,5 time more high than that of the control. But GA did not show signi- ficant promontional effect on the root vigor. In the rice root growth experiment where 7-day old rice seedlings were cultu- red in 0.1 ppm TA solution, TA caused promotional effect on the root length, root dry...

In the radicle growth experiment where root tips of rice seedling were cultured in 5ppm GA solution for 4days, GA caused promotional effect on the growth of root system. The elongation of the isolated root tip treated with GA was 1,5 time more high than that of the control. But GA did not show signi- ficant promontional effect on the root vigor. In the rice root growth experiment where 7-day old rice seedlings were cultu- red in 0.1 ppm TA solution, TA caused promotional effect on the root length, root dry wt and surface area of root system. In the experiment where roots of rice seedling had been excised and cultured in TA solution, the number of adva- ntitous roots was increased by TA treatment. Both respiration intensity and dehydrogenase activity of root tip of rice seedling treated with TA were higher than those of untreated ones. TA showed promotional effect on the vigor of root in rice seedlings. In the growth experiment rice seedlings were cultured in 0, 0.1, 0.5, 1, 5ppm 6-BA or NAA solution, these growth substances showed an inhibitory effect. The root growth of wheat seedling was improved when cultured in CCC and PIX solutions at lower concentrations and was inhibited when cultured in the same solutions at higher concentrations. The respiration intensity and dehydro- genase activity of root tip in wheat seedling cultured in CCC and PIX solutions at lower concentrations of promoting root growth were higher than those in control, while those of root tip cultured in the same solutions at higher concent- rations of inhibiting root growth were lower than those in control. CCC and PIX at any concentrations tested showed inhibitory effect on the shoot growth of wheat seedling, and the more high concentration, the more strong inhibition.

GA_3对水稻胚根伸长有促进作用,但根系活力未见明显增强。TA对稻苗根生长和发根力有比较明显的促进作用,TA处理的稻苗表现出较强的根系活力。低浓度(0.1,0.5,1,5ppm)6-BA和NAA溶液培养对水稻根系有较明显的抑制作用。较低浓度的CCC和PIX,对小麦根的生长有促进作用,高浓度则有抑制作用。在较低浓度溶液中培养,小麦根尖的呼吸强度和脱氢酶活性均比对照高,在高浓度溶液中培养,小麦根尖呼吸强度和脱氢酶活性又低于对照。在CCC和PIX所试验的各种浓度中,小麦地上部生长均呈现抑制效应,浓度越高,抑制越强烈。

Drought adaptability and physiological characteristics at different growth periods of 3 different maize hybrids were tested and analyzed under the conditions of field and plastic shed from 1987 to 1988. The results showed that the adaptable degrees to the drought were all different when summer maize hybrids were drought. The hybrids with high drought resistance had higher root activities, better stomatal adjustment and better adaptability to water contents. Physiologically, the drought tolerance was mainly due...

Drought adaptability and physiological characteristics at different growth periods of 3 different maize hybrids were tested and analyzed under the conditions of field and plastic shed from 1987 to 1988. The results showed that the adaptable degrees to the drought were all different when summer maize hybrids were drought. The hybrids with high drought resistance had higher root activities, better stomatal adjustment and better adaptability to water contents. Physiologically, the drought tolerance was mainly due to the steady content of chlorophyll, less injured cell membrane and greater amounts of free proline accumulation. As a synthesized result above two functions, the drought tolerant hybrid possessed a higher coefficient of drought resistance and produced more yield. Furthermore, a preliminary study on the mechanism of drought resistance and the relationship between the drought resistance and the diffusion activity of stomata and the free proline accumulation was discussed

1987~1988年,分别在大田和遮雨塑料棚条件下,测定并分析了三个抗性不同的夏玉米杂交种与干旱适应性有关的一些生理特性.结果表明,夏玉米杂交种受旱后,对干旱均表现出了程度不同的适应性;高抗杂交种以较强的根系活力、气孔调节能力和广泛的水分适应性体现其抗旱性,在耐旱性上则主要表现为受害后叶绿素含量较稳定,膜损伤小,游离脯氨酸积累量大.二者综合作用的结果、使其抗旱系数大,经济产量高.此外,还对夏玉米抗旱机理以及气孔扩散阻力、游离脯氨酸积累与抗旱性的关系进行了初步探讨.

The research on 20 crops of rice in successive 10 years proved that every crop ofrice cultivated with the reduced-tillage broadcast sowing technique with no ploughing butjust harrowing enjoyed a 4.2%~15.4%higher yield as compared with that cultivated withthe fulltillage broadcast sowing technique.The yield increase was due to better panicle andgrain traits ,which were associated with the improvement of the nutrient and physical char-acters of the soil in the tillage layer and the consequent promotion of the...

The research on 20 crops of rice in successive 10 years proved that every crop ofrice cultivated with the reduced-tillage broadcast sowing technique with no ploughing butjust harrowing enjoyed a 4.2%~15.4%higher yield as compared with that cultivated withthe fulltillage broadcast sowing technique.The yield increase was due to better panicle andgrain traits ,which were associated with the improvement of the nutrient and physical char-acters of the soil in the tillage layer and the consequent promotion of the development of theroot system.Therefore,compared with the rice cultivated with fulltillage broadcast sowingtechnique,the rice cultivated with reducedtillage broadcast sowing technique had a root sys-tem which was more thriving and higher in physiological activity ,which consequently led toa better growth pattern,higher physiological activity of the functional leaves and delayed leaf senescence.

本研究已探索到,连续10年20季在只耙不犁的少耕田撒播水稻与在按传统方法犁耙的全耕田撒播水稻相比,每季的稻谷产量都较高。其原因是少耕撒播稻(以下称少耕稻)的穗粒性状优于全耕撒播稻(以下称全耕稻),而这种优势的产生则在于少耕法能导致耕作层土壤的物理性质和养分,向着有利于根系生长的方向发展,而使少耕稻与全耕稻相比具有较发达与生理活性较强的根系,并进而导致少耕稻在稻苗的长势长相、功能叶的生理活性,以及在延缓功能叶的衰老等方面都优于全耕稻。

 
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