助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   canopy photosynthesis 的翻译结果: 查询用时:0.011秒
图标索引 在分类学科中查询
所有学科
农作物
园艺
生物学
农业基础科学
农艺学
林业
环境科学与资源利用
更多类别查询

图标索引 历史查询
 

canopy photosynthesis     
相关语句
  群体光合作用
     Effects of CO_2 and Temperature on Canopy Photosynthesis of Muskmelon
     CO_2和温度对网纹甜瓜群体光合作用的影响
短句来源
     Effects of Elevated CO 2 and High Temperature on Single Leaf and Canopy Photosynthesis of Rice 
     大气CO_2浓度和温度升高对水稻叶片及群体光合作用的影响(英文)
短句来源
     Sowing at suitable time, there were differences in both canopy photosynthesis and grain yield of winter wheat (cv. Lumai No.5) at the following plant densities: 8×10~4, 16× 10~4and 24×10~4seedlings per mu.
     适期播种条件下,鲁麦5号每亩8、16和24万基本苗处理间后期群体光合作用和籽粒产量均存在显著差异。
短句来源
     STUDY ON CANOPY PHOTOSYNTHESIS IN CHINESE CABBAGE
     大白菜群体光合作用的研究
短句来源
     Distribution of Leaf Photosynthetic Capacity in Canopy and its Effect on Canopy Photosynthesis
     群体中叶片光合能力的分布及其对群体光合作用的影响
短句来源
更多       
  群体光合
     A Comparison of Canopy Photosynthesis Characteristics Between YD22 and SC704
     掖单22和SC704玉米群体光合特性的比较
短句来源
     Study on Cotton Canopy Photosynthesis Characteristics in the North of Xinjiang
     北疆棉花群体光合特性研究
短句来源
     The trend of root population absorption vigour(RPAV) and canopy apparent photo-synthetic rate(CAPR) and the relationships between them on winter wheat (variety: Lumai 14) which was planted on pondlets were studied by using isotope tracer and canopy photosynthesis measurement techniques.
     利用同位素示踪技术,研究了冬小麦(鲁麦14)群体根系吸收活力和群体光合速率变化动态之间的关系。
短句来源
     THE CHARACTERISTICS OF CANOPY PHOTOSYNTHESIS OF SUMMER CORN(ZEA MAYS)AND ITS RELATION WITH CANOPY STRUCTURE AND ECOLOGICAL CONDITIONS
     夏玉米群体光合速率特性及其与冠层结构、生态条件的关系
短句来源
     Research on the Canopy Photosynthesis Capacity of Wheat on Condition of High Luminous Intensity in Xinjiang
     新疆高光强条件下小麦群体光合能力的研究
短句来源
更多       
  冠层光合作用
     Review on Forest Canopy Structure,Radiation Transfer and Canopy Photosynthesis
     林冠结构、辐射传输与冠层光合作用研究综述
短句来源
     Mathematically Modeling of Ecophysiological Process Response to Environmental Factors for American Black Walnut Seedlings(Ⅲ):The Mathematical Models of the Canopy Photosynthesis
     美国黑核桃实生苗生态生理过程对环境因素响应的数值模拟(Ⅲ):植株冠层光合作用数理模型
短句来源
     A Mathematical Study on Crop architecture and Canopy Photosynthesis I . Model
     玉米株型与冠层光合作用的数学模拟研究——Ⅰ.模型与验证
短句来源
     Constructing of Cucumber Canopy Photosynthesis Model in Sunlight Greenhouse
     日光温室黄瓜冠层结构与冠层光合作用模型的构建
     Slicing the plant stand canopy and using numerical integral are applied to simulating the canopy photosynthesis.
     在模拟整个冠层光合作用时,采用将冠层分别沿植株高度和种植行行向分层,再进行数值积分,给出目光温室黄瓜冠层光合模型的定量描述。
更多       
  冠层光合
     Results of the numerical simulation show that (1)on a fine day,the canopy photosynthesis increases with CO_2 enhancement,and the daily total photosynthesis will increase by 19.7% when the CO_2 concentration increases from 330×10~(-6) to 660×10~(-6);
     单因子分析表明:晴天状况下,冠层光合速率随CO2浓度升高而上升,当CO2浓度由330×10-6上升至660×10-6时,冠层光合日总量可增加19.7%;
短句来源
     The simulation result by using the model indicated that: (a) When the concentration of O 3 increased from 0 ×10 -9V/V to 200 ×10 -9V/V, the canopy photosynthesis will decrease about 29% in contrast with the base value.
     当CO2 浓度由 330× 10 -6V/V上升至 6 6 0× 10 -6V/V时 ,冠层光合速率增加大约 37% ;
短句来源
     (2)the canopy photosynthesis increases with radiation enhancement,and the daily total photosynthesis will increase by 6.7% when the radiation increases by 10.0%;
     冠层光合速率随辐射增加而增大,辐射量增加10.0%,冠层光合日总量可增加6.7%;
短句来源
     Numerical Simulation of the Impact of CO_2 and Temperature Changes on Crop Canopy Photosynthesis
     大气CO_2浓度升高及气候变化对作物冠层光合影响的数值模拟
短句来源
     (3)the canopy photosynthesis decreases with temperature increasing,and the daily total photosynthesis will decrease by about 2.9% when the temperature increases 1 ℃.
     冠层光合速率随温度升高而下降,温度升高1℃,冠层光合日总量减少2.9%。
短句来源
更多       

 

查询“canopy photosynthesis”译词为其他词的双语例句

     

    查询“canopy photosynthesis”译词为用户自定义的双语例句

        我想查看译文中含有:的双语例句
    例句
    为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
      canopy photosynthesis
    Soil respiration and net canopy photosynthesis were both increased by added N and elevated CO2, but soil respiration increased proportionately less than fixation by photosynthesis.
          
    Soil respiration and net canopy photosynthesis were both increased by added N and elevated CO2, but soil respiration increased proportionately less than fixation by photosynthesis.
          
    Daily rates of canopy photosynthesis (PcD) as well as the optimal leaf area production per unit nLat which PcDfor a given total amount of nitrogen in the canopy (i.e., canopy-PNUE) is maximized were also calculated.
          
    Despite a decrease in leaf area index and total nitrogen available for photosynthesis in the flowering stand, the leaf nitrogen distribution here also leads to an almost maximum canopy photosynthesis.
          
    We studied both the effect of nitrogen reallocation and leaf shedding on the whole canopy photosynthesis and changes in leaf nitrogen distributions in stands moving from the growing to the flowering stage.
          
    更多          


    Supposing that adaptation of leaf to enironmental light conditions brings about moreefficient use of limited nitrogen resource by plantcanopy, by using the method of variationalcalculus, optimal vertical distribution of leafphotosynthetic capacity with cumulative LAIas the vertical axis has been analysed. Whenleaf photosynthetic capacity distribution runsparallel to. that of light intensity, canopy pho-tosynthetic rate and in turn nitrogen use effici-ency will be the highest. The comparison be-tween canopy photosynthetic...

    Supposing that adaptation of leaf to enironmental light conditions brings about moreefficient use of limited nitrogen resource by plantcanopy, by using the method of variationalcalculus, optimal vertical distribution of leafphotosynthetic capacity with cumulative LAIas the vertical axis has been analysed. Whenleaf photosynthetic capacity distribution runsparallel to. that of light intensity, canopy pho-tosynthetic rate and in turn nitrogen use effici-ency will be the highest. The comparison be-tween canopy photosynthetic rates of canopiesand different leaf photosynthetic capacity dis-tribution patterns shows that the one with de-creasing distribution will have higher canopynitrogen use efficiecy, and that the advantageof such adaptation to light would be greaterin canopy with higher extinction coefficient andLAI. Under certain conditions, daily photo-synthetic rates of the canopy with the optimalleaf photosynthetic capacity distribution havebeen calculated to be 11.7% and 36.5% hi-gher than those wi uniform distribution when extinction coefficients are 0.4 and 1, respecti-vely. Furthermore, a model of photosynthe-sis of canopy with optimal leaf photosyntheticcapacity distribution has been derived. Inthe new model, because of leaf adaptation, the rate of canopy photosynthesis will neverdecrease with an increase in LAI and will belinearly proportional to the fraction or totalamount of radiation intercepted. The de-pendence of canopy light use efficiency on can-opy structure and leaf photosynthetic chara-teristics has been demonstrated.

    利用数学变分原理分析了群体中叶片光合能力对环境适应和有限氮资源利用的最优分布。叶片光合能力呈现与光强相同的负指数衰减分布时,“群体的光合速率和对氮的利用率最高;叶片对环境光强适应的优越性随群体消光系数和叶面积指数增加而增加。由此推导了叶片光合能力最优分布下的群体光合模型。

    Experiment results showed that the change in the canopy respiration rate (CRR) of winter wheat was a single peak curve through the whole growth period. Maximum values of CRR occurred before or after the anthesis stage. The value of CRR was greater and the maximum value emerges earlier and decreases faster in the high density population than in the low density population. Daily changes of CRR were affected by temperature. The ratio of CRR to the canopy photosynthesis rate (CPR) varies in accordance with...

    Experiment results showed that the change in the canopy respiration rate (CRR) of winter wheat was a single peak curve through the whole growth period. Maximum values of CRR occurred before or after the anthesis stage. The value of CRR was greater and the maximum value emerges earlier and decreases faster in the high density population than in the low density population. Daily changes of CRR were affected by temperature. The ratio of CRR to the canopy photosynthesis rate (CPR) varies in accordance with the growth stage, variety and density. The jointing-booting and the middle-period filling-maturing periods are two high ratio periods. The mean value of CRR/CPR in the whole growth stage is 31.4%.The CRR/CPR ratio of the low density population is lower than the high density population. The number of tillers per mu, the leaf area index and the dry matter weight exhibited a significant correlation with CRR before the booting stage. The correlation of CRR with yield was positive but not significant. Decreases in the number of basic seedlings could decrease the CRR/CPR ratio, and are favourable to grain yield increases.

    研究表明,小麦群体呼吸速率在整个生育期的变化是单峰型曲线,开花前后达最大值.大群体的呼吸速率高于小群体,其高峰期出现早,后期下降迅速.群体呼吸速率的日变化主要受气温的影响.群体呼吸速率所占总光合的比例因不同生育时期、不同品种、不同密度而异.拔节—孕穗;灌浆中期—成熟是小麦一生中呼吸比例较高的两个时期.两个品种全生育期呼吸/总光合的值平均为31.4%.基本苗少的处理呼吸/总光合的值依次低于基本苗多的处理.小麦群体呼吸速率与每亩分蘖数、叶面积系数、干物重之间,在孕穗期前呈显著正相关,与经济产量亦呈正相关,但未达显著水平.群体呼吸速率高是群体生长旺盛的表现,但生产上要适当限制过高的群体呼吸消耗.减少基本苗可以适当降低群体呼吸消耗,对籽粒产量是有利的.

    This study was carried out to relate directly the ND index of spec- tral reflectivity to crop canopy photosynthetic activity in winter wheat. It was found that,ND index was highly and positively correlated with the canopy photosynthesis,i.e.,ND value increased with the increase of canopy photosynthetic activity (r>0.01);whilst there was no significant correlation between ND index and LAI (—0.14canopy photosynthesfs,different...

    This study was carried out to relate directly the ND index of spec- tral reflectivity to crop canopy photosynthetic activity in winter wheat. It was found that,ND index was highly and positively correlated with the canopy photosynthesis,i.e.,ND value increased with the increase of canopy photosynthetic activity (r>0.01);whilst there was no significant correlation between ND index and LAI (—0.14canopy photosynthesfs,different from that revealed by LAI.Moreover it was shown that the ND value changed parabolieally with the pro- gess of wheat growth,and increased with the increase of yield.As a result,in the study of wheat population structure,it would be superior to indicate the canopy photosynthtic efficiency by MSS spectral reflec- tivity over to show the canopy structure by LAI.

    本研究用光谱反射率直接建立 ND 指标与群体光合能力的关系。试验发现,ND 指标与小麦群体光合能力有极好的正相关性(r>r_(0.1)),ND 值随群体光合能力增加而增加;但 ND 值与叶面积指数之间相关不显著(-0.14

     
    << 更多相关文摘    
    图标索引 相关查询

     


     
    CNKI小工具
    在英文学术搜索中查有关canopy photosynthesis的内容
    在知识搜索中查有关canopy photosynthesis的内容
    在数字搜索中查有关canopy photosynthesis的内容
    在概念知识元中查有关canopy photosynthesis的内容
    在学术趋势中查有关canopy photosynthesis的内容
     
     

    CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
    版权图标  2008 CNKI-中国知网
    京ICP证040431号 互联网出版许可证 新出网证(京)字008号
    北京市公安局海淀分局 备案号:110 1081725
    版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社