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叶宽度
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  leaf width
     QTL Mapping for Epistatic Effects and QTL×Environment Interaction Effects on Flag Leaf Width of Rice with a DH Population
     水稻DH群体剑叶宽度的QTL及其上位性和环境互作效应研究(英文)
短句来源
     7.Ideal quality plant type model: (1)heught 85cm~95cm, (2)tillers : 10~15 (3) blade leaf width: 1.1cm~1.4cm (4) grain density 5.5~6.5 (5) average grain number 100~120. (grain number withrmain haulm: 120~135.)
     ⑵分蘖10~15个; ⑶剑叶宽度1.1~1.4cm⑷着粒密度5.5~6.6(5)平均穗粒数100~120个(主穗粒数120~135个);
短句来源
     Biomass , HI and GWP are positively correlated with CPn which is reduced by greater leaf angle and leaf width and light extinction coefficient but benefited from flag leaf area and flag leaf length.
     对群体光合速率有负面影响的因素有消光系数、剑叶角度和剑叶宽度,而与之成正相关的因素有剑叶面积、剑叶长、LAI和粒叶比。
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  “叶宽度”译为未确定词的双语例句
     (2)the blade number of the seedlings with the agent seed soaking and spraying treatments on the seedbed was increased by 1.4%~37.9% and 13.6%~19.1% respectively;
     (2)浸种和喷苗池育秧:水稻秧苗叶片数比对照高1.4%~37.9%和13.6%~19.1%,剑叶宽度均高于对照;
短句来源
     Increasing one cm width of flag leaf, the grain weight per plant could increase 7.7284 g, and the area of the second leaf was less importance to grain weight per plant.
     进一步回归分析发现,旗叶宽和倒二叶面积对单株粒重的直线回归方程是真实的,旗叶宽度每增加1cm,单株粒重就会增加7.7284g,倒二叶面积每增加1cm2,单株粒重增加0.4146g。
短句来源
     The experiment showed that DA 6 had accelerating function on the earlier green returning of lawn and the plant, height,width,area and thick of a leaf are 18.02%, 5.26%, 26.32% and 7.31% more than check respectively when the lawns were sprayed 8% DA 6(1×10 5times).
     在草坪上喷洒 8% DA- 6乳粉 10万倍液的试验结果表明 ,DA-6对草坪有提前返青促进作用 ,草坪高度、叶宽度、叶面积和叶厚分别比对照提高 18. 0 2 %、 5. 2 6% ,2 6. 32 %和 7. 31%。
短句来源
     the formula was =7.318 7x-14.328 8. In the measuring methods of the leaf's area of Dukela,it is recommended to choose the leaf's width and leaf's area regression method, the formula was =6.639 3x-10.641 1.
     杜克拉(Dukela)叶面积的测定法,推荐用叶宽度与叶面积的回归法,公式是=6.6393x-10.6411。 y=a+bx^y=a+bx^y=a+bx^
短句来源
     Results indicated that Tudla leaf's width and leaf's area regression was the most accurate one in each of the measuring method of the leaf's area. The calculation formula was =7.091 8x-13.478 4 (x is the leaf's width, y is the leaf's area).
     结果表明吐德拉(Tudla)叶面积的每种测定方法,以叶宽度与叶面积回归法最精确,计算公式是=7.0918x-13.4784穴公式中的x是叶宽度,y是叶面积,以下相同雪;
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  相似匹配句对
     Experiment Study on the Vaneless Diffuser's Width to Influences of the Compressor Performance
     无扩压器宽度对压缩机性能影响的实验验证
短句来源
     The big to low sequence of leaf wide is superior leaf,spike leaf,inferior leaf.
     宽度排序依次为 ,上位 >穗位 >下位 .
短句来源
     THE CLASSIFICATION OF LEAF BEETLES
     甲的分类
短句来源
     The Concentrate of leaf's Nutrient
     营养素浓缩物
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     (4)water width of river;
     4)水体宽度;
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  leaf width
The developmental stability indices, leaf width based fluctuating asymmetry (FA1), and lateral vein length based directional asymmetry (RDA1) of Platanus acerifolia were studied.
      
Leaf length divided by leaf width, (L/W), was studied as a criterion for differentiating between nucellar and zygotic citrus seedlings.
      
The alloplasmic strain showed reduced self-fertility, increased 1 000-seed weight, lower plant height, lower leaf width, and reduced yield and money-value of cured leaves, most of which were fairly common effects of an alien cytoplasm.
      
solani and leaf width, which were likely due to linkage with a QTL for this trait rather than to a physiological relationship.
      
Dominance is predominantly unidirectional for leaf length, leaf width and final height, while for the remaining traits, some genes show ambidirectional dominance, although the incidence of unidirectional dominance is much higher throughout.
      
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The form of 321 thyroid glands of Chi-nese male Adults were investigated.Accord-ing to the presence of the right and leftlobes, isthmus and pyramidal process, theywere classified into 7 types. Type Ⅱ whichwas composed of all the 4 parts mentionedabove appeared to be the most common type(63.24±2.69%), while Type Ⅰ, consists onlyof the lobes and isthmas, as described incurrent textbooks was found to be the sec-ond common type (26.48±2.41%). Most ofthe glands possessed the isthmus (91.28±2.48%). The majority of...

The form of 321 thyroid glands of Chi-nese male Adults were investigated.Accord-ing to the presence of the right and leftlobes, isthmus and pyramidal process, theywere classified into 7 types. Type Ⅱ whichwas composed of all the 4 parts mentionedabove appeared to be the most common type(63.24±2.69%), while Type Ⅰ, consists onlyof the lobes and isthmas, as described incurrent textbooks was found to be the sec-ond common type (26.48±2.41%). Most ofthe glands possessed the isthmus (91.28±2.48%). The majority of the isthmus situ-ated in front of the first 2 or 3 tracheal rings(approximately 22% and 37% respectively),those covering the 2nd-4th tracheal rings, asdescribed in most textbooks appeared to beonly about 5% (15 cases). The right and leftlobes of the 50 glands were measured in threedimensions: the right lobe gave an averagevalue of 4.97cm, 2.11cm, 1.98cm; and thoseof the left one were 4.60cm, 2.12cm, 1.70cm.The differences between their lengths andtheir thicknesses were statistically significant(P<0.05 and P<0.01).

作者调查了321例甲状腺的形态,可分为7型。其中以甲状腺由左叶、右、叶、峡部及锥状叶组成者为最多,占63.24%。左、右两叶的位置,以上端平甲状软骨板中、下1/3,下端平第4气管环者为多。腺之有峡者占91.28%,峡多覆盖第1~3气管环,占36.86%。具有锥状叶者占72.59%,其下端与左叶相连,上端平甲状软骨板下1/3和环软骨者较多。测量了50例甲状腺,两叶宽度相近,而长度和厚度则右叶大于左叶。

Plant gene enginecring not only brcaks down obstacles to scxual cross,overcomes diffi- culties in distant hybridization,but also combines the useful gene from any creatures or artificially modified genes as well to create new species.It is important for breeders to realize the value of gene engineering and utilize it,but classical gene engineering is capital consuming ,needing well-trained workers and modernized equipment,so scientists devoted to use gene engineering in attaining crop improvement goals put emphasis...

Plant gene enginecring not only brcaks down obstacles to scxual cross,overcomes diffi- culties in distant hybridization,but also combines the useful gene from any creatures or artificially modified genes as well to create new species.It is important for breeders to realize the value of gene engineering and utilize it,but classical gene engineering is capital consuming ,needing well-trained workers and modernized equipment,so scientists devoted to use gene engineering in attaining crop improvement goals put emphasis on studying exogenous DNA introduction techniques with species recipient. We try to introduce DNA from calf thymus to Shangnong aromatic glutinous rice by fol- lowing ways: 1.Soaking seeds in 100ppm,300ppm,500ppm exogenous DNA solution,respectively; 2.Tissue culture,medium being Ms+KT0.5+2.4-D_2+DNA100;Ms+KT0.5+2.4-D_2+ DNA300;Ms+KT0.5+2.4-D_2+DNA500,respectively; 3.Pollen tube way,infecting 0.1-0.2ml 300ppm DNA solution per flower; 4.Test grafting. Results show: 1.Exogenous DNA has significant effect on the width of flag leaf,but not on its length; 2.Exogenous DNA has no significant effect on the peroxidase activity of recipient plant; 3.Introducing exogenous DNA could heighten resistance of recipient plant on rice-blast and rice—stripe,especially on the latter; 4.There are no significant differents among the effects of three exogenous DNA cocentrations.

本文报导了以上农香糯为受体植物,用吸涨法、组织培养法和花粉管通道导入等方法将小牛胸腺 DNA 导入上农香糯.所得结果表明:1.外源 DNA 能增加剑叶宽度;2.外源 DNA(模糊多基因)能使上农香糯对稻瘟病和白叶枯病的抗性提高.对照对稻瘟病为8级感病,白叶枯为中感,而导入模糊多基因后的上农香糯对稻瘟病的感病性已降至7级和6级,对白叶枯病已为中抗.

Thirty four winter wheat cultivars with diversified yield potentials which were released in different periods in Huanghuai winter wheat region were used to study the changes of morphological characters following the increase of yield.The results showed that along with the change of cultivar types from low yielding to high yielding,the plant height significantly decreased while the plant height composition index increased;the width of the upper two leaves increased while the ratios of length to width decreased....

Thirty four winter wheat cultivars with diversified yield potentials which were released in different periods in Huanghuai winter wheat region were used to study the changes of morphological characters following the increase of yield.The results showed that along with the change of cultivar types from low yielding to high yielding,the plant height significantly decreased while the plant height composition index increased;the width of the upper two leaves increased while the ratios of length to width decreased. The ratios of the are as of upper two leaves to that of total leaves and the length of sheathes to those of the corresponding internodes all had a big increase.The flag leaf angle tends to become smaller.Based on the results,the ideal morphological characters and canopy structure for the super-high yielding cultivars in Huanghuai winter wheat region were discussed.

选用黄淮麦区不同产量水平的小麦品种34个,研究了品种在由低产型向高产型转变过程中植株形态及其结构所发生的变化。结果表明:随着品种产量水平的提高,植株形态及其结构也发生了规律性的变化,表现为株高显著降低,旗叶和倒二叶宽度增加,长宽比值缩小,旗叶夹角变小。同时,株高构成指数,上部叶面积占总叶面积的比值以及各叶鞘长占相应节间长的比值均表现规律性递增。根据以上结果,初步认为在黄淮麦区今后超高产品种的选育中,在稀条播条件下,应选择株高75~85cm,株高构成指数>0.62,旗叶面积25~3km2,倒二叶面积30~35cm2,旗叶长/宽<10,倒二叶长/宽<15,灌浆初期旗叶夹角较小并随灌浆呈动态变化,叶功能期较长以及上部二叶面积占总叶面积的比值和各叶鞘长占相应节间长比值均较大的类型。

 
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