water uptake 中文意思是什麼

water uptake 解釋
水的吸收
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  • uptake : n. 1. 舉起，拿起。2. 了解，領會。3. 【物，生】吸收；【機械工程】（把煙塵等抽吸到屋外的）升煙道，上升通風管；揚水管；【礦物】上風井，上風口。
  1. The order of uptake amount of a same pesticide by plants was water hyacinth > rice > canna > taro > alligator > willow > tea plant, and the uptake of dimethoate was greater than that of dicofol

    植物對不同農藥吸收量的大小為：鳳眼蓮>水稻>美人蕉>芋頭>喜旱蓮子草>柳樹>茶樹。相同植物對樂果的吸收大於三氯殺蟎醇。
  2. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  3. 3. the resin membrane extracted soil k was significantly correlated with k uptake of corn seedling in pot experiment, water soluble k and asi - k in soil

    在用樹脂膜室內埋置法提取土壤鉀素、評價土壤供鉀能力時，只需用0 . 5mol lhcl解吸一次即可。
  4. Potometer an apparantus for measuring the rate of water uptake by a cut shoot or whole plant

    蒸騰計：通過莖切段或整個植物體來測量水分吸收速率的儀器。
  5. Elongation the enlargement of cells after mitotic division that results from the uptake of water by osmosis until the cells become turgid

    延伸，延長：有絲分裂后的細胞，通過滲透作用攝取水分使細胞體積變大，變得比較飽滿的現象。
  6. Probably most of the uptake and loss water is through the body wall.

    水份的吸取及損失的大部分可能是通過體壁進行的。
  7. 2. there were statistically differences between the groups in acidity and compressive strength changing at the first 6 weeks after degradation test, mass loss and intrinsic viscosity changed significantly in whole period, volume contract happened after the 2nd week ( p < 0. 05 ). 3. after modified with alginate calcium, the scaffolds have the much higher hydrophilic ability, water uptake reached 50 - 60 % ( v / v ) from 0. 5 to 24 hours, no significant difference found between the inner groups

    經過藻酸鈣改性后的支架親水性能得到良好改善，體積含水量在24小時內保持在5o朋之間，區組、組內比較無顯著性差異中勸刀5 ） ；酒精處理后吸水率達到個12之間，顯著高於對照組的2 10 ，區組和組內比較均存在顯著性差異（卜
  8. A rapid uptake of avermectin b1a was observed and steady - state levels were reached within 14 to 18 days. depuration of avermectin bia residues in muscle of sturgeon was relatively rapid with more than 50 % clearance occurring after about 4 - 6 days in control water

    Avmb _ （ 1a ）在鱘魚體內的殘留消除比較迅速，大約經過4 - 6天的消除期，體內殘留量大約消除50 ；經過14 - 18天的消除期，體內殘留量消除超過95 。
  9. It results from the uptake of water into the cell by osmosis

    其產生是由於細胞通過滲透作用吸收大量水分引起的。
  10. Effects of dissolved oxygen on the changes of overlying water quality and the uptake of phosphate by sediment

    溶解氧對水質變化和沉積物吸磷過程的影響
  11. On the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  12. Abstract : on the loess plateau, water is the main limiting factors for vegetation growth. root distribution characters have special ecological meaning as it reflected the utilizations of trees to the environments. even - aged stands of robinia pseudoacacia on slope lands facing south and north were selected as sampling plots for root distribution investigation. investigatiing results showed that indicated that on all sites, root biomass decreased with depth, and the distribution depth of fine root was deeper than that of coarser root. the results of variance analysis indicated that there were great differences in root biomass among different diameter classes, and coarser root was the main sources of variance, and the root biomass, especially fine root ( < 3mm ) biomass on northern exposition sites was bigger than that on southern exposition sites. analysis of the vertical root distribution parameters, root extinction coefficient, indicated that the value of on northern exposition was more than 0. 982, while the value of on southern exposition was less than 0. 982, which indicated that the vertical root distribution depth of robinia pseudoacacia on southern exposition was deeper than that on southern exposition. and the distribution depth of fine roots ( < 1mm ) was deeper than that of thicker roots ( < 3mm ), which was in favor of the uptake of water and nutrients from deeper layers, helped the trees to adapt the arid environment, and promoted the growth of the upper parts of the tree

    文摘:在中國西北黃土高原地區，水分是樹木生長發育的主要限制因子.根系分佈特徵由於反映了樹木對環境條件的利用程度而具有更加特殊的生態意義.本研究選擇陽坡和陰坡不同立地上年齡一致的刺槐林調查了根系分佈特徵.根系垂直分佈特徵的調查結果表明，在所有立地上，根系生物量隨著深度的增加而降低，其中細根的分佈深度大於粗根的分佈深度.方差分析結果表明:不同立地上不同徑級根系的分佈特徵也有明顯的差別，粗根是差異存在的主要原因，陰坡立地上的根系生物量，特別是細根生物量大於陽坡立地上的.對根系消弱系數的分析結果表明，陰坡立地上的根系消弱系數大於0 . 982 ，而陽坡立地上的根系消弱系數小於0 . 982 ，說明陰坡立地上刺槐根系的生物量在深層土壤中的分佈相對量更大一些.其中細根的根系消弱系數大於粗根的，這種根系分佈特徵有利於根系對深層土壤水分養分的吸收利用，進而促進樹木地上部分的生長發育.圖3表3參15
  13. The concepts of " flexible water - saving " and " inflexible water - saving " are advanced, and the water - saving and production - increasing potentialities in northern china are calculated. on the theoretical basis of water - saving irrigation - including systematics, biology and physics - an analysis is made of the likely wastage nodes of irrigation water in the whole process of irrigation - starting from the water source to the uptake and utilization by the crops. in view of the two different cases, namely, sufficient water supply and insufficient water supply, the concepts of " flexible water - saving " and " inflexible water - saving " are advanced

    2 、提出了「柔性節水」與「剛性節水」的概念，計算了我國北方地區節水潛力與增產潛力根據節水灌溉的系統學基礎、生物學基礎、物理學基礎，分析了灌溉水從水源到被作物吸收利用的諸環節中可能浪費水的節點，針對水資源充足及不足二種情況提出了「柔性節水」與「剛性節水」的概念，計算了我國北方地區節水潛力與增產潛力。
  14. The properties of the membranes such as proton conductivity, water uptake, swelling degree and thermal stability were measured. results show that the sulfonated sbs membranes had good proton conductivity, at the same time, the water uptake and the swelling degree could meet the need of fuel cell

    通過對不同磺化度的質子交換膜的電性能、吸水率、溶脹率以及熱穩定性等性能進行了研究，表明磺化sbs膜具有了比較好的質子傳導能力，吸水率與溶脹率也能滿足燃料電池的工作需求。
  15. ( 2 ) parts of the area show apparent local climatic properties because of the influence of topography, landcover, and so on. precipitation in mountainous and forest area is usually more affluent than in vicinity, this creates a typical mosaic structure of precipitation distribution like the islands. ( 3 ) soil water is the most significant form of water resources, which is the only water for vegetation uptake

    分析結果顯示： （ 1 ）黃土高原地區的降水分佈自東向西、自南向北逐漸減少，東南部可達900多毫米，西北部最低則僅約100毫米，表現出顯著的大陸性氣候特徵； （ 2 ）由於地形等因素的影響，山地森林等局部地區小氣候特徵明顯，降水量高於周圍地區，結果形成降水的島狀鑲嵌結構； （ 3 ）土壤水是黃土高原最重要的水資源之一，它是該區植被水分利用的重要資源。
  16. The paper focuses on the processing technique of wood flour - recycle polystyrene composite, and assesses the effects of wood flour contents, coupling agent contents and the rotate speeds of extruder on water uptake, tension strength, bending strength and dynamic mechanical properties. the results can be shown as follows : with the increasing of wood flour, composites gain higher water uptake but lower dynamic mechanical properties, the storage moduli ( e " ) and glass transition temperature ( tg ) decrease

    較系統地研究了木粉含量、偶聯劑添加量和雙螺桿擠出機的螺桿轉速等主要擠出工藝參數對復合材料的吸水性能、拉伸強度、彎曲強度、動態機械性質（存儲模量e和損耗正切角tan ）的影響規律，初步確定了適宜工藝條件，主要結論是： 1 ）木粉含量的增加使得復合材料的吸水性能增加，動態機械性質下降。
  17. Simulation to water uptake rate by the roots of alfalfa under salinity stress

    鹽分脅迫條件下苜蓿根系吸水特性的模擬與分析
  18. Effect of water supply on root growth and water uptake of alfalfa in wulanbuhe sandy region

    烏蘭布和沙區紫花苜蓿根系生長及吸水規律的研究
  19. A simulation model for water uptake by alfalfa roots in the wulanbuhe sandy desert

    烏蘭布和沙區紫花苜蓿根系吸水模型
  20. The process is usually preceded by water uptake, increasing the pressure on the cell wall, which stretches

    這個過程通常發生在細胞吸水之後，使得細胞壁壓力增大，細胞壁伸展。
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