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metabolic source
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  代谢源
     2.Effects of source-sink alterationon diumal changes of photosynthesis and mass production in leaves of Panax ginsengRemoving 25% leaves of Panax ginseng(full un-folded stage) can decrease about 25%the whole metabolic source, which make photosynthetic rate notably increase 8.1%,but increasing degree of the morning is different increasing degree of the afternoon, increase 5.1% in the morning, increase 12.3% in the afternoon;
     通过去除25%的人参叶片(展叶期为例),降低约25%的代谢源总量,其光合速率明显增加,提高8.1%,但上午和下午增加幅度不同,上午增加5.1%,下午增加12.3%;
短句来源
     The result showed that K content and chlorophyll content, relative ATP content, net photosynthetic rate in leaves increased with improving K concentration, which enhanced the function of leaves to be metabolic source.
     的结果表明,随着施钾水平的提高,叶片中的钾含量、叶绿素含量、ATP相对含量及叶片净光合速率也相应提高,使叶片作为"代谢源"的能力加强;
短句来源
     A water cultural experiment with four different potassium (K) concentrations showed that the K content,chlorophyll content,relative ATP content and net photosynthetic rate in C. sativus leaves increased with improving K concentration,which enhanced the function of leaves to be metabolic source.
     用 4个不同K水平的营养液培养番红花 ,结果表明 ,随着施钾水平的提高 ,叶片中的钾含量、叶绿素含量、ATP相对含量及叶片净光合速率也相应提高 ,使得叶片作为“代谢源”的能力加强 .
短句来源
  相似匹配句对
     Metabolic mechanism of carbon source of the production strain was studied。
     -谷氨酸的影响,以及碳源的代谢机制。
短句来源
     innovation the source;
     创新乃企业可持续发展之源 ;
短句来源
     information source.
     随着Intenet的快速发展,web已经成为跨全球的信息源。
短句来源
     Metabolic Engineering
     代谢工程
短句来源
     Metabolic Syndrome
     代谢综合症
短句来源
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  metabolic source
The ectonucleotidase pathway is an important metabolic source of extracellular adenosine.
      
To acquire the ability to transport amino acids, cells must be preincubated with a metabolic source of energy, such as glucose.
      
Thus, NO may act as a potent metabolic source for the transient copper release from Cu-MT.
      
It rather acts as a potent metabolic source for the transient copper release from Cu-thionein in the presence of activated PMNs.
      
The failure of incorporation of fatty acid carbon into cholesterol within 2 hr of administration opens the question of compartmentation of acetate as to its metabolic source.
      
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The widely adopted cultivation of the single-croppig rice in the mountainous regions of Fujian created a big area of production but with rather low yield.In order to increase the yield,introduction of hybrid rice should be considered as a good way to improve rice harvest in these regions.However.it is also important to employ proper techniques in the cultivation of hybrid rice so as to insure stable high yield.Before the development of intensive rice cultivation,we have to find out just what limiting factors...

The widely adopted cultivation of the single-croppig rice in the mountainous regions of Fujian created a big area of production but with rather low yield.In order to increase the yield,introduction of hybrid rice should be considered as a good way to improve rice harvest in these regions.However.it is also important to employ proper techniques in the cultivation of hybrid rice so as to insure stable high yield.Before the development of intensive rice cultivation,we have to find out just what limiting factors governing the stable high yield in this crop.Thus.the author studied the correlated response of yields and yield components through a path coefficient analysis in 270 plots of the late single-cropping hybrid rice. Preliminary results of the investigation showed that three major aspects must be taken into consideration.Firstly,competent supply of the metabolic source must be in congruent with the metabolic pool,or else the limiting factor will become the problem of increasing yield.Secondly,the increment of spikelet numbers per unit area should be considered as the key link for promoting the yield.Thirdly,the ways of raising crop yield in the low, medium,and high production fields should be considered separately and created with different measures.Those low yielding fields with such quota below 800 jin per mu,the measure is to increase the number of effective panicles in a wide range.As to the medium yielding fields with such quota of 800-1000 jin per mu.efforts must be taken to increase the number of grains per panicle.The high yielding fields with over 1000 jin per mu,both the number of grains per panicle as well as the weight of grains should be augmented.

福建省单季晚稻面积大,产量低,是山区水稻低产的主要原因之一。种植杂交水稻是提高单季稻产量的有效途径。然而,栽培技术得当与否,杂交水稻的产量悬殊很大。为了明确产量的限制因素和探索相适应的高产栽培途径,促进全面平衡增产,本研究应用通径分析方法,分析了270块单季杂交晚稻田产量与产量构成因素的关系。初步获得结论:(1)源足库小是产量的主要限制因素;(2)增加单位面积的颖花总数是增产的关键;(3)增产的途径:低产田(800斤/亩以下)要大幅度增加每亩有效穗数;中产田(800~1000斤/亩)以增加每穗粒数为主;高产田(1000斤/亩以上)应穗粒兼顾,促进粒多粒重。

The low-yiedding factors of yellow paddy soil is shallow plough layer, bad plowing property, low nutrition and nutrive disturbance. The poor productivity of this soil is characterized to be nutrient slow-supply in rice early growing stage, lesser efficiency, low tillering capacity and smaller metabolic pool which could not congruent with rich metabolic source.

黄泥田具有耕层浅薄、耕性不良、土壤贫瘦、养分比例失调等低产因素。土壤具有前期供肥慢、肥劲小、水稻分蘖力低、源足库小的生产弱点。采用增施有机肥,结合合理深耕,增施钾肥,调节氮、磷、钾养分比例,合理施用微肥及其他综合农业措施,是综合改良利用黄泥田的有效途径。

According to the data from two year succesive experiments with diallel crossdesigns in winter wheat, the correlationts between the grain yield of the mainspike with its components and 23 characters (including some anatomical characters)above the penultimate leaf and "Sequential characters" have been studied by meansof different statistical methods: simple correlation and stepwise stepwise regression.The results of statistical analyses were discussed in respect of crop physiology.The results of the differfnt...

According to the data from two year succesive experiments with diallel crossdesigns in winter wheat, the correlationts between the grain yield of the mainspike with its components and 23 characters (including some anatomical characters)above the penultimate leaf and "Sequential characters" have been studied by meansof different statistical methods: simple correlation and stepwise stepwise regression.The results of statistical analyses were discussed in respect of crop physiology.The results of the differfnt statistical analyses are shown, in concord, asfollows: Under the experimental conditions, the metabolic source is the maior limitingfactor for grain production The area of photosynthetic organs above the penultimateleaf and their dry weight have close relationship with grain yield. Directly and indirectly, grain yield and its components owe a great deal to thepenultimate leaf which plays an imporsant role in the source-sink relation, whilethe flag leaf is less important than the penultimate leaf. There is a significant negtive correlation between the length ang the grain yieldof the main spike. There is a significant positive correlation between the dry weight of both awnsand glumes and the main spike yield with its components. Both awn and glunesmay be considered as selective characters in the breeding programs for high-yieldvarietes.

本文根据连续两年的完全双列杂交试验资料,使用多种统计分析方法,研究了冬小麦倒二叶以上的23个形态特征(包括某些解剖特征)和6个“顺序性状”与主穗产量及其组成因子的相关性,并以作物生理为依据,讨论了统计分析的结果,各种分析一致表明: 在本试验条件下,“源”是冬小麦籽粒生产的主要限制因素。光合器官面积和干重与籽粒产量密切相关。倒二叶对籽粒产量有较大的直接作用和重要的间接作用。倒二叶在小麦的库——源关系中的意义超过旗叶。穗颈长度与主穗产量呈显著的负相关,而芒和护颖干重与主穗产量呈显著的正相关,芒和颖壳可以作为高产育种的选择指标。

 
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