leaf area index造句

"leaf area index"是什麽意思   


  1. Normalized leaf area index model for summer maize
  2. Method for estimating crop leaf area index of china using remote sensing
  3. Research on calculation and spatial scaling of forest leaf area index fro
  4. Leaf area index
  5. Temporal variation of plant height , plant cover and leaf area index in inter - cropped area of sichuan , china
  6. It's difficult to find leaf area index in a sentence. 用leaf area index造句挺難的
  7. The relationship between relative evapotranspiration and leaf area index and surface soil water content in winter wheat field of north china plain
  8. Rice yield reached the maximum at a leaf area index of seven to nine in indica - japonica cross variety , and at a leaf area index of about five in japonica variety , respectively
    秈-粳稻雜交品種的葉面積指數為7 ~ 9時水稻產量最高而粳稻品種最佳葉面積指數為5 。
  9. During the course of model - building , in view of the influence of the corps in greenhouse on microclimate , the input parameters included the leaf area index ( lai ) of crops
  10. Based on the experiment data of summer maize in irrigation experimental station of north west a & f university during 2001 ~ 2004 , a normalized model between leaf area index ( lai ) and accumulated temperature was developed
  11. The results showed that both inadequate and excessive nitrogen application accelerated the decreasing process of leaf area index ( lai ) and chlorophyll content at later growth stage , which led to earlier leaf senescence
  12. The knowledge model for the dynamics of main development indices includes submodels of suitable development stages , plant height , leaf area index , dry matter accumulation , numbers of fruit branch , square and boll , plant nutrient accumulation
  13. Taking erectophile type continuous vegetation as a example , authors had done many monte carlo simulations , and established empirical analytic expressions of radiances with component temperature , soil emissivity and leaf area index . empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters , such as component temperature , soil emissivity and lai , from thermal infrared 2 channels and 2 angles data . many experiments of genetic algorithm inversion from simulated data were conducted , results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken . comparison between inversion results and ground - truth data has been done . this paper offers a new example to retrieve component temperature from multi - channel , multi - angle thermal infrared data based on the model of directionality of thermal radiance
    在熱輻射方向性規律的基礎上,以喜直型連續植被為例,進行了大量的monte carlo模擬,建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。采用遺傳算法,從熱紅外2個波段2個角度數據中,同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳算法反演試驗,結果表明,遺傳算法反演組分溫度非常穩健,在寬松的先驗知識條件下,遺傳算法可以解決不確定性反演問題。
  14. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes , revealing that in different planting modes their densities , heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a . ordosica annually grew in a s - shaped cure and the young shoots of c . korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c . korshinskii and a . ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a . ordoska appeared to have obviously lower coverage and biomass that the other three quadrats
    摘要對騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密度、高度、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速度較快, 7月份以后生長速度緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,并具有較高的植被蓋度;同其它3個樣地相比,純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  15. The production of wheat is increased by 9 . 6 % under sewage irrigation ; ( 2 ) . dry matter and leaf area index of the wheat is much higher during nourishment growth stage , while dry matter and leaf area index of the wheat under fresh treatment is significant lower during productive growth stage ; ( 3 ) . heave metal from swage enriched in the soil stratum in the depth of 0 - 30 cm , and the root length under sewage treatment is larger than that under fresh treatment .
    田間試驗表明,在相同試驗條件下,污水灌溉與清水灌溉相比: ( 1 )污水灌溉可使冬小麥增產9 . 6 ; ( 2 )作物地上部干物重和葉面積指數,在營養生長階段清水灌溉比污水灌溉值高,而在生殖生長階段清水灌溉比污水灌溉值明顯降低; ( 3 )污水中營養物質主要富集在0 30cm土層中,在該土層中污水灌溉的小麥根量比清水灌溉的顯著增多。
  16. The knowledge model for the dynamics of main development indices as plant height , leaf area index , dry matter accumulation , numbers of fruit branch , square and boll was developed based on the physiological time and target yield and quality . in addition , the dynamic relationships between plant nutrients and dry matter accumulation was quantified . all these sub - models provide the reference standards for quantitative and dynamic growth diagnosis and management regulation


  1. "leaf angle distribution"造句
  2. "leaf apex"造句
  3. "leaf aphid"造句
  4. "leaf architecture"造句
  5. "leaf area"造句
  6. "leaf area ratio"造句
  7. "leaf arrangement"造句
  8. "leaf award"造句
  9. "leaf awards"造句
  10. "leaf axil"造句

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