osmotic potential 中文意思是什麼

osmotic potential 解釋
滲透潛能；滲透勢
  • osmotic : adj. 滲透的。adv. -motically
  • potential : adj 1 可能的；【語法】可能語氣的。2 潛在的；有潛勢的；【物理學】位的，勢的。3 〈罕用語〉有力的。n...
  1. With the increase of substrate salinity, the accumulated sodium and chloride increased. as a result, all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting. changes in length, dry weight, water content, ion concentrations, osomotic potential, ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth, but also reserved ions, thus charged the balance of ion concentration and osmotic potential of the seedling

    鹽脅迫下幼苗單株葉面積下降的程度大於光合速率的降低，葉面積的減小是導致減產的主要原因；木欖幼苗各組分中的離子濃度以及含量隨栽培時間而變化；栽培初期剛萌根時，幼苗原胚軸中的離子滲漏到培養液中；此後隨著根系的發育以及芽的生長，幼苗轉為從培養液中吸收離子，並以吸收na 、 cl離子為主。
  2. The propagules of b. gymnorrhiza and a. corniculatum undergo some growth before becoming detached from the parent plant. they accumulated large amounts of ions during the development while the level of ion concentrations are consistently lower in their embryos compared to leaves of parent plant. before detachment, the growth of hypocotyls were reduced, the water content declined, while the osmotic potential was approaching to or more negative than that of the solution on which their parent plant vegetating

    另一方面維持較大比例的有機滲透調節劑，控制細胞液中鹽離子的水平以減少代謝毒害；木欖成熟胚軸的密度接近或低於生境中海水的密度，適于隨水漂浮和傳播；胚軸內離子濃度呈下降趨勢，但最終以達到和母樹生境中的離子濃度水平相一致為目標。
  3. The chemiosmotic hypothesis describes the stomatal opening as a process in which the osmotic materials, mainly potassium, accumulate in guard cells, and as a result of the increase of osmotic pressure and the absorption of water into guard cells the stomata are driven to open. the energy for trans - membrane transport of k + is the hyperpolarized potential across plasmalemma, which is established by the proton extrusion

    化學滲透假說認為氣孔開放是由外來滲透物質（主要是k ~ + ）等在保衛細胞中的累積造成的滲透壓上升所致，而離子跨膜運輸的動力是誘導氣孔開放的因子引發的保衛細胞向胞外泵出質子所造成的超極化膜電位。
  4. Length, diameter, density, fresh weight, dry weight, water content, osmotic potential and element concentrations ( ca, mg, na, k, cl ) were determined for each. seedling of b. gymnorrhiza and a. corniculatum were cultured for 60 days on various salinity of seawater ( 0, 5, 10, 15, 20, 30, 40, 50 ) in green house. samples were taken at 3, 7, 11, 15, 22, 30, 45 and 60 days after planting, separated into root, hypocotyl, stem and leaf

    本文研究了福建九龍江口木欖和桐花樹胎生繁殖體從果實形成到發育成熟過程中形態、生物量、含水量、胚軸密度、滲透勢、五種主要礦質元素（ ca 、 mg 、 na 、 k 、 cl ）等的變化和溫室內人工鹽度梯度栽培下木欖和桐花樹成熟繁殖體長成幼苗（ 0 60d ）過程中形態、生物量、含水量、滲透勢、光合蒸騰特性、五種主要礦質元素（ ca 、 mg 、 na 、 k 、 cl ）等的變化；並且在野外自然條件下，跟蹤調查不同灘塗位置下秋茄成熟繁殖體定居成活、自然死亡狀況以及測定幼苗生長過程中（ 1年）形態、生物量、含水量、光合蒸騰特性等的變化。
  5. It showed under 600mmol / l nacl the potential activity and efficiency of primary conversion of light energy of psii in shoots of salicornia bigelovii torr. decreased. 5. the effects of salt - treament on the osmotic adjustment ability of salicornia bigelovii torr. and zea mays the osmotic adjustment ability of the salicornia bigelovii torr

    在100 - 300mmol lnacl處理時，畢氏海蓬子的fv fm 、 fv fo升高， 600mmol lnacl處理時畢氏海蓬子的fv fm 、 fv fo降低，表明只有高鹽度時才對畢氏海蓬子光能轉化機構的完整性及psii的潛在活性造成傷害。
  6. But more energy will be used if the plant depends mainly on the organic osmotica to regulate its osmotic potential. this is another reason which made suaeda salsa ca n ' t resist na2co3 stress effectively

    然而，植物用有機物來進行滲透調節所消耗的能量比用無機離子多得多，這也是在na _ 2co _ 3脅迫下堿蓬生長受抑的又一原因。
  7. 2. 2 effect of salt treatment on osmotic potential of cell sap of leaves 2. 2. 1 effect of naci treatment on osmotic potential of cell sap of leaves due to plants " obtaining a great deal of ions, the osmotic potential of naci treatment decreased with the increase of nacl concentration in medium

    2 . 2鹽處理對堿蓬幼苗葉片細胞汁液滲透勢的影響2 . 2 . 1naci處理對堿蓬幼苗葉片細胞汁液滲透勢的影響naci處理下，植物吸收了大量的無機離子，使葉片細胞汁液的滲透勢迅速下降，並隨著鹽濃度的升高下降的程度逐漸增大。
  8. 2. 2. 2 effect of treatment of different salts on osmotic potential of cell sap of leaves the osmotic potential of leaf cell sap under treatm

    Peg處理下堿蓬幼苗葉片細胞汁液的滲透勢顯著高於naci處理下的滲透勢。
  9. Effect of salt treatment on ionic concentration and osmotic potential of cell sap of leaves 2. 1 effect of salt treatment on ion concentration of cell sap of leaves 2. 1. 1 effect of nacl treatment on ion concentration of cell sap of leaves the concentrations of na and cl in the cell sap of leaves increased rapidly with the increase of naci concentration in medium, but the amounts of ci " were lower than those of na +

    1nacl處理對堿蓬幼苗葉片細胞汁液離子濃度的影響堿蓬幼苗葉片細胞汁液的na ~ +和cl ~ -濃度都隨著nacl處理濃度的增大迅速增加，但cl ~ -增加量低於na ~ + 。這些結果說明堿蓬幼苗可積聚na ~ + ，作為滲透調節劑。
  10. The changes of leaf water potential, water deficiency, water - holding ability under drought stress conditions were measured. the water parameters were calculated by using pressure - volume technique, also the abilities of maintaining turgor and adjusting osmotic potential of the four species were comprehensively evaluated. the effects of drought stress on photosynthesis, transpiration and water use efficiency were studied

    研究乾旱脅迫下葉水勢、葉水分飽和虧缺及葉保水力的變化；應用壓力室和pv技術測定四個樹種多項水分參數，並對四樹種滲透調節和維持膨壓能力進行綜合評定；研究乾旱脅迫對光合作用、蒸騰作用及水分利用效率的影響；測定生長指標及水分脅迫下苗木的生物量分配。
  11. Salinity stress disrupts the homeostasis in water potential and ion distribution, results in osmotic and ionic stress in plants. it can arose growth arrest, and in some extreme conditions, even death of plants

    鹽脅迫能夠破壞植物細胞的水勢均衡和離子均衡狀態，引起高滲脅迫和離子脅迫，使植物生長延滯，甚至死亡。
  12. High concentration of salinity disrupts the homeostasis in ion distribution and water potential, results in osmotic stress and further leads to the damage on various molecules, such as protein, nucleotide acid etc. it can arose growth arrest, and in some extreme conditions, even death of plants

    鹽分過高破壞了植物體內業已存在的均衡狀態，引起細胞的滲透失衡，造成細胞失水，因而鹽脅迫下，保持細胞水分均衡是植物對抗鹽脅迫的重要策略之一。
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