<i id="gxxid"><option id="gxxid"></option></i>
      <object id="gxxid"></object>

      <i id="gxxid"><option id="gxxid"><listing id="gxxid"></listing></option></i><i id="gxxid"><option id="gxxid"><listing id="gxxid"></listing></option></i>
        <samp id="gxxid"><del id="gxxid"></del></samp><optgroup id="gxxid"><tt id="gxxid"><tr id="gxxid"></tr></tt></optgroup>
        <object id="gxxid"><option id="gxxid"></option></object>
        <thead id="gxxid"></thead>

        <delect id="gxxid"></delect>

        • 初級生產力定義植物和作用可以儲存的總量,這個會伴隨季節變化

          How much carbon land plants store during photosynthesis, a measure known as net primary productivity, changes from season to season.

          www.chinadaily.com.cn

        • 本文分析水下藻類光合作用光譜響應基礎闡述海洋初級生產力遙感中的生物-地理動力學問題

          This peper expounds the dynamic problem of biogeography in remote sensing of oceanic primary productivity based on the analysis of submarine light spectral response of algae photosynthesis.

          dict.cnki.net

        • 元素陸地植物生長生態系統初級生產力主要限制因子之一

          Phosphorus (P) is one of the main limiting nutrients to the plant growth and net primary productivity (NPP) in terrestrial ecosystem.

          www.fabiao.net

        • 植被初級生產力及其氣候變化響應研究全球變化核心內容之一

          Aims Vegetation net primary productivity (NPP) and its responses to global change have been focuses of global change research.

          www.dictall.com

        • 浮游植物生物現存量初級生產力存在顯著相關

          There was a significant positive correlation between chlorophyll a content and primary productivity.

          dict.cnki.net

        • 該報告第一作者,北京師范大學資源學院朱文泉如果植物初級生產力意味植物生長得健康。”

          "If the net primary productivity of a plant is high, it means the plant grows more healthily, " says lead author Zhu Wenquan of the College of Resources at the university.

          scitech.people.com.cn

        • 利用方法增加海洋初級生產力吸收大氣中的CO2降低溫室效應目前國際的一個研究熱點

          It is an international hotspot by using "iron fertilizer" to increase marine primary productivity, absorbing atmospheric CO2 and reducing the greenhouse effect.

          www.dictall.com

        • 植被初級生產力NPP研究全球變化陸地生態系統核心內容之一。

          Net primary productivity (NPP) estimation is an important study field of global change and terrestrial ecosystems (GCTE).

          dict.cnki.net

        • 東湖水庫主要營養鹽限制因子、水化因子浮游生物初級生產力進行研究

          The main limited factors of nutritive salt, water-chemistry factors, plankton and primary productivity in Donghu reservoir were studied.

          www.dictall.com

        • 輪作系統不但提高了作物產量而且初級生產力光能利用率輔助利用率分別比連作系統高17.47%、9.87%和5.0%。

          Moreover, the overall initiative productivity, light energy using rate and assistant energy using rate was increased by 17.47%, 9.87%, 5.0% respectively.

          dict.cnki.net

        • 最后,利用生物-模式計算太湖初級生產力

          Finally, the primary productivity of Taihu Lake is calculated with bio-optical model.

          dict.cnki.net

        • 綜述了近年來遙感海洋初級生產力研究進展

          This paper summarizes progress for ocean primary productivity using remote sensing studies.

          www.dictall.com

        • 最后,選取單株林木生長量、單位面積初級生產力蓄積量增長量三個判據不同群落結構進行了最優化評價

          Meanwhile, three criterions are taken, yield of Signal tree, net primary productivity of unit area and total storage of stand to evaluate different communities.

          dict.cnki.net

        • 群落初級生產力積累動態峰值曲線,大體可分為“緩增型”“急增型”兩種。

          Dynamic state of the accumulated primary productivity is in conformity with in single peak value.

          dict.cnki.net

        • 土壤活性有機質土壤養分生物化學循環具有作用,其含量質量影響土壤初級生產力

          Active soil organic matter (ASOM) has a main effect on biochemical cycles of soil nutrient elements such as N, P and S, and the quality and quantity of ASOM reflect soil primary productivity.

          dict.cnki.net

        • 顯微鏡檢黑白測氧測定灘涂魚塘藻類種群初級生產力

          Microscopy and the method of black and white bottle were used to study algae population and primary productivity in coastal fishpond.

          www.dictall.com

        • 本文70年代末以來我國黃海西部海區進行葉綠素a初級生產力調查研究綜述

          A review and summary was made of the investigation and studies on chlorophyll a and primary productivity conducted by the Chinese scientists in the Yellow Sea since the 70's.

          dict.cnki.net

        • 兩個調查航次初級生產力分布趨勢相似呈現,灣中部西北部變化趨勢

          The distribution trends of the primary productivity were similar in the two surveys, which were high in the mouth of the bay and low in the middle and northwestern waters.

          dict.cnki.net

        • 本文結果對大亞灣海區沉積物海水界面動態循環研究初級生產力調控水產養殖環境管理等有一定科學指導意義。

          Our results may help the study of N and P cycling between sediment-water interface, controlling of primary productivity, aquiculture and managing environment.

          dict.cnki.net

        • 葉綠素濃度垂直分布特征對于研究海洋的生物量初級生產力海洋具有十分重要意義。

          To study the biomass, primary production in the water column and carbon fixation, the estimation of the vertical distribution of chlorophyll concentration is very important.

          dict.cnki.net

        • 曝光時間往往帶來初級生產力同化系數

          Shorter light incubation time always causes high primary production and assimilation number.

          dict.cnki.net

        • 海水真光海洋浮游植物進行光合作用水層,海水真光層深度反演有利于海洋初級生產力估算

          Euphotic layer of the sea refers to the layer where phytoplankton can photosynthesize; therefore, the retrieval of the euphotic depth is in favor of estimating ocean primary production.

          www.dictall.com

        • 氮素植物需求量最大礦質營養元素之一同時也是植物個體乃至生態系統初級生產力主要限制因子

          Nitrogen is one of the most important elements that are vital to plant growth. Also, it is one of the main limiting factor to plant individual. even net ecosystem primary productivity.

          dict.cnki.net

        • 大型海藻構成近岸水域初級生產力主要部分光合作用生長受到多種環境因子影響

          Macroalgae compose the important parts of primary production near the sea, and the photosynthesis and growth of which are affected by many kinds of environmental factors.

          dict.cnki.net

        • 浮游植物大型水生植物附生藻類初級生產力中的比例分別93%、6%1%。

          The percentages of phytoplankton, macrophyte and periphyton in the total net primary production were 93%, 6% and 1% respectively.

          dict.cnki.net

        • 初級生產力這種分布水體紫外光可見光共同作用結果

          These results show that the distribution of primary production was the result of the joint effect of ultraviolet and visible light.

          dict.cnki.net

        • 研究主要探討黃龍自然保護區森林生態系統初級生產力水平棲息地復雜程度對小型獸類物種多樣性影響

          This study focused on the effects of annual net primary productivity of forest ecosystem and habitat complexity of Huanglong Nature Reserve on the species diversity of small mammals.

          dict.cnki.net

        • 珊瑚礁生態系統初級生產力研究較多生產力卻很少

          There have been extensive studies on primary production of coral reef ecosystems, but much less on new production.

          dict.cnki.net

        • 珊瑚礁生態系統初級生產力研究較多生產力卻很少

          There have been extensive studies on primary production of coral reef ecosystems, but much less on new production.

          dict.cnki.net

        $firstVoiceSent
        - 來自原聲例句
        小調查
        請問您想要如何調整此模塊?

        感謝您的反饋,我們會盡快進行適當修改!
        進來說說原因吧 確定
        小調查
        請問您想要如何調整此模塊?

        感謝您的反饋,我們會盡快進行適當修改!
        進來說說原因吧 確定
        国产 亚洲 中文字幕 在线