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生理生态参数     
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  physiological ecology parameters
     Physiological ecology parameters of photosynthesis and water of two-year seedling obtained from hardwood cutting of Larix olgensis from ten provenances were measured in artificial climate romm.
     在人工气候室中测定了10个种源长白落叶松二年生硬枝扦插苗的光合、水分生理生态参数
短句来源
     The result showed that, some rules can be found though physiological ecology parameters of Larix olgensis from different provenances varied greatly.
     结果表明,不同种源的长白落叶松生理生态参数变异较大,但有一定规律可循。
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  “生理生态参数”译为未确定词的双语例句
     The light compensation and saturation points of P_n in 4# leaves were higher than those in 3# and 7#,25.82 μmol·m-2s-1 and 1 206 μmol·m-2s-1 respectively.
     2)扁桃不同品种的光合生理生态参数有显著差异:4#的光饱和点和补偿点都比3#和7#高,分别为1206μmol. m-2s-1和25.82μmol.
短句来源
     microbial ecophysiological parameters qCO 2 value enlarged,while Cmic. /Corg. ratio lowered.
     表现在微生物呼吸强度升高 ,微生物生理生态参数代谢商 qCO2 增大 ,微生物生物量碳与有机碳的比值 (Cmic/Corg)降低 ;
短句来源
     The results indicated that the mining soil possessed obviously different microbial characteristics,namely,lower in mi-crobial basal respiration strength,in microbial biomass and Cmic /Corg,but higher in microbial ecophysiological parameters qCO 2 compared with the non -mining soils.
     结果表明,与对照土壤相比,矿区土壤微生物参数发生了明显的改变,微生物呼吸速率减弱,生物量降低,生理生态参数Cmic/Corg下降、qCO2值明显升高;
短句来源
     Two ecophysiological parameters, the microbial biomass carbon/ organic carbon (C_ mic /C_ org ) ratio was decreased and a consequence the metabolic quotient (q_ CO_ 2 ) was increased with elevating Pb concentrations, indicating a stressful condition for soil microflora.
     在高浓度铅污染土壤中,微生物生理生态参数发生明显变化,微生物生物量碳/土壤有机质碳(Cmic/Corg)逐渐下降,代谢熵(qCO2)明显上升,表明土壤微生物群落处于胁迫状态.
短句来源
     Minesoils possessed obviously different microbial features: higher in microbial basal respiration strength, and microbial ecophysiological C mic /C org and q CO 2 ,but lower in micobial biomass compared with the control.
     微生物特征发生了显著的改变 ,微生物基础呼吸作用增强 ,但微生物生物量却显著降低 ,微生物生理生态参数 Cmic/Corg、q CO2 值明显升高。
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  相似匹配句对
     THE STUDY ON PHYSIOLOGICAL ECOLOGY OF PANAX GINSEN
     人参生理生态的研究
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     Physiology, ecology and culture of Haemanthus multiflorus
     网球花的生理生态和栽培
     Activity Physiological Parameters and Data Collection
     体育运动生理参数及数据采集
     Design of the Quadru-Signal Physiological Monitor
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短句来源
     A study on Tan-Sheep Ecology and the Methods of Selection: V.The Parameter Values of Blood Physiology and Blood Biochemistry of Tan-Sheep in Jingtai County in Gansu
     滩羊生态与选育方法的研究——Ⅴ.甘肃景泰滩羊的血液生理生化参数
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  physiological parameter
Indoor thermal comfort studies based on physiological parameter measurement and questionnaire investigation
      
The goal of this study was to suggest a simple intracortical connection pattern, which could also play a role in other cortical substructures, in order to generically obtain these desired effects within large physiological parameter ranges.
      
DWI measures a fundamentally different physiological parameter compared with conventional MRI.
      
This review discusses brain temperature as a physiological parameter, which is determined primarily by neural metabolism, regulated by cerebral blood flow, and affected by various environmental factors and drugs.
      
The present report presents an attempt to define the physiological parameter used to describe "voice tremor" in psychological stress evaluating machines, and to find its sources.
      
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In this paper, physiological ecology parameters of Laix olgensis Henry from different provenances were measured. The result showed that: among all provenances, total photosynthesis rate>maximal net photosynthesis rate>net photosynthesis rate>net photosynthesis rate at semi-light saturation>light respiration rate>respiration rate, but there is individual exception. Change tendency of each parameter among the provenances is in accordance with net photosynthesis rate. Total photosynthesis rate varied most;...

In this paper, physiological ecology parameters of Laix olgensis Henry from different provenances were measured. The result showed that: among all provenances, total photosynthesis rate>maximal net photosynthesis rate>net photosynthesis rate>net photosynthesis rate at semi-light saturation>light respiration rate>respiration rate, but there is individual exception. Change tendency of each parameter among the provenances is in accordance with net photosynthesis rate. Total photosynthesis rate varied most; light respiration rate, light compensation point, light saturation point and semi-light saturation point varied greatly; respiration rate, percentage of net photosynthesis rate to total photosynthesis rate, respiration efficiency, CO 2 compensation point, transpiration rate and water potential varied less. The more variation of efficiency of water utilization resulted from net photosynthesis rate.

本文测定了不同地点的长白落叶松种源的光合、水分生理生态参数.结果表明,各种源的总光合速率>最大净光合速率>净光合速率>半饱和光强时的净光合速率>光呼吸速率>呼吸速率,只偶有例外.各参数在种源间的变化趋势均与净光合速率一致,总光合速率变异最大,光呼吸速率、光补偿点、饱和点和半饱和点的变异较大,呼吸速率、净光合速率占总光合速率的百分比、呼吸功效、CO2补偿点、蒸腾速率和水势变异不大.水分利用率在各种源间的较大变异主要是由净光合速率引起

Physiological ecology parameters of photosynthesis and water of two-year seedling obtained from hardwood cutting of Larix olgensis from ten provenances were measured in artificial climate romm. The result showed that, some rules can be found though physiological ecology parameters of Larix olgensis from different provenances varied greatly. Total photosynthesis rate>maximal net photosynthesis rate>net photosynthesis rate>net photosynthesis rate at semi-light saturation point>light respiration rate>respiration...

Physiological ecology parameters of photosynthesis and water of two-year seedling obtained from hardwood cutting of Larix olgensis from ten provenances were measured in artificial climate romm. The result showed that, some rules can be found though physiological ecology parameters of Larix olgensis from different provenances varied greatly. Total photosynthesis rate>maximal net photosynthesis rate>net photosynthesis rate>net photosynthesis rate at semi-light saturation point>light respiration rate>respiration rate among all provenances, but occasional exception existed. Among all parameters, respiration rate varied least, light respiration rate varied greatly, and total photosynthesis rate varied most. The change tendency of all parameters among the provenances is in accordance with net photosynthesis rate, i. e., the other parameters varied greatly while net photosynthesis rate varied greatly and the other parameters varied less while net photosynthesis rate varied less in one provenance. Relative hight respiration rate among the provenances varied greatly, and CO 2 released amounted to one third of CO 2 fixed. Light compensation point, light saturation point and semi-light saturation among all provenances varied greatly. The more variation of water utilization efficiency resulted from net photosynthesis rate and related slightly to transpiration rate. Percentage of net photosynthesis to total photosynthesis, respiration efficiency, CO 2 compensation point, transpiration rate and water potential varied slightly among all provenances.

在人工气候室中测定了10个种源长白落叶松二年生硬枝扦插苗的光合、水分生理生态参数。结果表明,不同种源的长白落叶松生理生态参数变异较大,但有一定规律可循。各种源的总光合速率>最大净光合速率>净光合速率>半饱和光强时的净光合速率>光呼吸速率>呼吸速率,只偶有例外。各参数中呼吸速率在各种源间变异最小,光呼吸速率变异较大,总光合速率变异最大。各参数在种源间的变化趋势均与净光合速率一致,即净光合速率大的种源其它参数也大,净光合速率小的种源其它参数也小。相对光呼吸在各种源间变异较大,其释放的CO2相当于光合固定CO2的总量的1/3。光补偿点、饱和点和半饱和点在各种源间的变异较大。水分利用率在各种源间的较大变异主要是由净光合速率引起,与蒸腾速率关系不大。净光合速率占总光合速率的百分比、呼吸功效、CO2补偿点、蒸腾速率和水势在各种源间变异不大

Discriminant analysis is an important method in multivariate statistic analysis to distinguish whatever type an individual should belong to. Based on the field actual photosynthetic data obtained from the research platform—Northeast China Transect (NECT), the concept and principle of discriminant analysis were used to distinguish the different plant photosynthetic types. A number of indices related to plant photosynthetic rate measured by a LCA4 photosynthesis system were selected to build the discriminant model....

Discriminant analysis is an important method in multivariate statistic analysis to distinguish whatever type an individual should belong to. Based on the field actual photosynthetic data obtained from the research platform—Northeast China Transect (NECT), the concept and principle of discriminant analysis were used to distinguish the different plant photosynthetic types. A number of indices related to plant photosynthetic rate measured by a LCA4 photosynthesis system were selected to build the discriminant model. In this case study, 15 plant species from C 4 plant functional groups and 51 from C 3 plant functional groups were selected to build a discriminant model. The rate of accuracy, of returned classification using methods of squared Mahalanobis distances from group centroids and posterior probabilities, reached to 98.48%. With the help of this model, any plants' photosynthetic types could be distinguished simply by using their four related parameters, viz., photosynthetic rate, transpiration, stomatal conductance and the temperature difference between leaf surface and atmosphere.

判别分析是多元统计分析中判断个体所属类型的一种重要方法。以中国东北样带(NECT)作为研究平台,利用判别分析鉴别植物光合功能型。采用国际上先进的植物光合测定系统LCA4便携式光合仪和CID_203便携式叶面积仪在野外所测定的植物生理生态参数,选取51个来自C3功能群的植物种和15个来自C4功能群的植物种构建判别模型,进行光合碳同化途径的判别。用马氏距离和后验概率判别准则进行回判,准确率达到98.48%。利用此判别模型可以根据任一植物的光合速率、蒸腾速率、气孔导度和叶温与大气温度之差4项指标判别该植物的光合碳同化功能型

 
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