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   gradient 在 农艺学 分类中 的翻译结果: 查询用时:0.983秒
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  梯度
    Effect of Temperature Gradient on Unsaturated Soil Water Transport
    温度梯度对非饱和土壤水分运动的影响
短句来源
    They are mainly denaturing gradient gel electrophoresis(DGGE),temperature gradient gel electrophoresis(TGGE),single-strand conformation polymorphism(SSCP),randomly amplified polymorphic DNA(RAPD),terminal restriction fragment length polymorphism(T-RELP),amplified ribosomal DNA restriction analysis(ARDRA) etc.
    这些技术主要有变性梯度凝胶电泳(DGGE)/温度梯度凝胶电泳(TGGE)、单链构象多态性(SSCP)、随机引物扩增多态性DNA(RAPD)、限制性片段长度多态性(RFLP)和扩增核糖体DNA限制性分析(ARDRA)等。
短句来源
    One-Dimensional Water and Salt Transport Induced by Temperature Gradient
    温度势梯度下土壤水平一维水盐运动特征的实验研究
短句来源
    Distribution of organic matternitrogen and phosphorus along an altitude gradient and productivity change and their relationships with environmental factors in the Alpine meadow
    高寒草甸不同海拔梯度土壤有机质氮磷的分布和生产力变化及其与环境因子的关系
短句来源
    Experimental Study on Measurement of Potential Gradient in Soils by Using Steel Electrodes
    钢电极检测土壤电位梯度的实验研究
短句来源
更多       
  梯度的
    Experimental Study on Measurement of Potential Gradient in Soils by Using Steel Electrodes
    钢电极检测土壤电位梯度的实验研究
短句来源
    Studies on the Soil Temperature Gradient in Annular Wetlands in the Sanjiang Plain, China
    三江平原环型湿地土壤温度梯度的研究
短句来源
    Infiltration mostly depended on matric potential gradient and the effect of upslope runoff could be omitted, when initial water content was very low.
    当初始含水量较低时,入渗主要受控于基质势梯度的作用,上方来水对入渗几乎没有影响。
短句来源
    The daily and yarly periodic variation regularities of soil temperature and characteristics of soil temperature gradient variation have been studied in this paper ,the relationship between soil water movement as well as the exchange regularity of soil water with phreatic water and soil temperature varition has also been ana lyzed .
    探讨了土壤温度的日、年变化规律及土壤温度梯度的变化特点 ,分析了土壤水分运动及土壤水和潜水之间的水分交换规律与土壤温度变化之间的关系。
短句来源
    According to the moisture potential gradient characteristics, a study is made on calculation of unsaturated soil transmissibility and analysis of errors in arid area by using zero flux plane method.
    研究土壤水分运动时 ,非饱和土壤导水率是较难确定的参数 ,在干旱内陆区 ,该参数更难确定。 本文根据非饱和带土壤水势梯度的特点 ,利用零通量面法原位测参的方法 ,对干旱区非饱和土壤导水率的定量计算进行了初步研究 ,并对该定量计算方法的误差做了分析
短句来源
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  坡度
    The enrichment ratio of LOC ranged between 3.25 and 8.47,and was negatively related to erosion rate and slope gradient.
    其富集比介于3.25~8.47,且随着侵蚀强度和坡度的增大均减小。
短句来源
    The results of runoff scouring experiments with a slope range of 3° -30° show that the average flow velocity increased with the discharge of flow and slope gradient and the formula is V=0.096S0.37Q0.13,the slope gradient has bigger effect on velocity than discharge.
    结果表明:坡面径流平均流速随坡度和流量的增加而增大,且坡度对流速的影响大于流量。 其关系式为:V=0.096S~(0.37)Q~(0.13)。
    . The changing tendency of the runoff Reynold's number , flow velocity ,runoffsediment concentration and sediment transport rate versus time was parabola curve in theexperiments, the critical slope gradient was about 21 ?
    当放水流量相同时,坡面径流雷诺数Re、坡面径流平均流速、坡面径流平均剪切力、坡面径流能耗、坡面径流含沙量和坡面径流输沙率均随试验坡度的增大呈抛物线形式变化,临界坡度出现在21°左右。
短句来源
    3. The relationships of the runoff hydrodynamic parameter with slope gradient and flow discharge were subsection power function.
    3.建立了坡面径流各参数与试验坡度流量之间的关系。
短句来源
    Main results were as follows:(1) In average, gradient 1.12% (0.64°) per year and 5.60%(3.20°) in total amount deceleration of five years were reduced by adopting integrative technologies of contour cropping, balanced fertilizers and hedgerow strip on the 9 meters length of slope land plot;
    (1) 坡长9m的坡耕地上,等高种植、配方施肥与等高植物篱条带相结合,使坡度年均减缓1.12%(0.64°),五年累计减缓5.60%(3.20°);
短句来源
更多       
  梯度
    Effect of Temperature Gradient on Unsaturated Soil Water Transport
    温度梯度对非饱和土壤水分运动的影响
短句来源
    They are mainly denaturing gradient gel electrophoresis(DGGE),temperature gradient gel electrophoresis(TGGE),single-strand conformation polymorphism(SSCP),randomly amplified polymorphic DNA(RAPD),terminal restriction fragment length polymorphism(T-RELP),amplified ribosomal DNA restriction analysis(ARDRA) etc.
    这些技术主要有变性梯度凝胶电泳(DGGE)/温度梯度凝胶电泳(TGGE)、单链构象多态性(SSCP)、随机引物扩增多态性DNA(RAPD)、限制性片段长度多态性(RFLP)和扩增核糖体DNA限制性分析(ARDRA)等。
短句来源
    One-Dimensional Water and Salt Transport Induced by Temperature Gradient
    温度势梯度下土壤水平一维水盐运动特征的实验研究
短句来源
    Distribution of organic matternitrogen and phosphorus along an altitude gradient and productivity change and their relationships with environmental factors in the Alpine meadow
    高寒草甸不同海拔梯度土壤有机质氮磷的分布和生产力变化及其与环境因子的关系
短句来源
    Experimental Study on Measurement of Potential Gradient in Soils by Using Steel Electrodes
    钢电极检测土壤电位梯度的实验研究
短句来源
更多       

 

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  gradient
A convexity theorem for noncommutative gradient flows
      
In this survey we shall prove a convexity theorem for gradient actions of reductive Lie groups on Riemannian symmetric spaces.
      
In the final section the theorem is applied to gradient actions on other homogeneous spaces and we show, that Hilgert's Convexity Theorem for moment maps can be derived from the results.
      
We observe that our methods clearly show that the restriction p>amp;gt;2n/n+1 is closely related to cancellation and size properties of the gradient of the Poisson kernel.
      
A new generalized gradient projection type algorithm for linearly constrained problems
      
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