relative water content 中文意思是什麼
relative water content
解釋
相對含水量-
Water transmitting rate of unsaturated soil also increased with the increasing of relative partial molal free energy variation, and relative partial molal enthalpy variation, in case that soil water content was constant
結果表明，在同一溫度條件下，提高土壤水勢可增加土壤非飽和導水率，呈現黃綿土> ，土。 -
Based on historic radiosonde data of changchun city, jilin province and xian city. shanxi province and on the typical model of profiles of cloud liquid water content for stratiformis, the coefficients of retrieval equation are obtained as the functions of height for each month from april to july in the two cities. furthermore, we explore the internal physics signification of retrieval coefficients ' distributing according to every month and have comparisons between the two cities. then the numerical simulation tests of the accuracy of retrieval results are given : the statistical relative deviation of retrieved values of l to the simulated " trues " on the ground is 15 - 25 % and that at altitude of 6km is 5 - 10 %, that means the retrieval method and implementation of the method are applicable to processing measurements of an airborne radiometer made in china recently
本文介紹機載對空微波輻射計探測雲中路徑積分液態水含量（ l ）的輻射傳輸原理和反演方法；根據吉林省長春市和陜西省西安市的歷史探空資料和典型的層狀雲液水垂直分佈模式，得到這兩個地區4 - 7月各月的隨高度而變的反演公式及其系數的表達式；探索了和反演系數有關系的大氣的影響，並在各個月份之間進行了比較分析；給出了反演誤差的數值模擬檢驗結果：在地面反演值對『真值』的統計相對偏差是15 - 25 ，在6公里高度處為5 - 10 ，表明該方法已具有實用可接受的精度。 -
The drought tolerance of sorghum is stronger than that of maize, its leaf relative water content and water potential are higher under drought condition
高粱耐旱性較強，乾旱條件下葉片相對含水量較高，水勢亦較大。 -
Through cultivating five cold - season turfgrass ( lolium perenne, agrostis stolonifera, festuca rubra, festuca arundinacea, bromus inermis ) in basin, their drought to lerance indexes, including the planting height, the root growth, the relative water content of leaves, the penetration of membrane, were comprehensively evaluated to compare their drought tolerance
摘要採用盆栽育苗法，在5種冷季型草坪草苗期連續乾旱脅迫下測定植株高度，根系生長，葉片相對含水量和質膜透性等抗旱指標，以綜合評價5種冷季型草坪草的抗旱性能。 -
According to relative criteria, the performance of ash - jd such as ratio of water - reducing, ratio of compressive strength, effect of enhancing strength, ratio of bleeding, air entrainment content, effect of keeping slump value, compatibility with cement, resistance to concrete shrinkage and damage by freezing and thawing and impermeability to water etc are all equal to the traditional aminosulfonic - based superplasticizers, and the ratio of performance to price is better than naphthalene series superplasticizers
按照相關標準，對產品進行了測試，所開發的低成本改性氨基磺酸鹽高效減水劑ash - jd的各項性能如減水率、抗壓強度比、增強效果、引氣性、坍落度保持效果、與水泥適應性、收縮性能、抗凍融性能、抗滲性能等相當于傳統氨基磺酸鹽高效減水劑，性能價格比優于萘系高效減水劑。 -
Shading decreases transpiration rate and content of bound - water, but raises relative water content. so it weakens the resisting contrary ability
遮蔭降低了蒸騰速率，提高了相對含水量，降低了束縛水含量，抗逆性能力減弱。 -
T. media cv. hicksii seedling hi natural light has higher content of bound - water and water saturation deficit, bigger transpiration rate, and lower relative water content, stronger ability of fighting loss water than that in shading light intensity conditions
自然光照條件下生長的曼地亞紅豆杉幼苗蒸騰速率較大，葉片相對含水量較低，水分飽和虧缺值較大，束縛水含量較高，抗脫水能力最強。 -
The results indicate that the absolute and relative contents of sodium - ion and calcium - magnesium - ion in soil are important to identify dispersive clay soils, while the content of montmorillonoid is one of key factors and the river water affects the dispersibility of clay greatly
結果表明土樣中鈉離子和鈣鎂離子含量多寡和相對含量對粘土分散性具有重要的作用，蒙脫石的存在是粘土分散性的重要因素，河水對粘土分散性能將產生顯著影響。 -
Relative water content of leaves, and root activity displayed a apparent reduction. the time of highest contains of soluble sugar appeared was moved up three days. the contains of soluble sugar were less than that of under 20 % peg ( 6000 ) treatment
4 、在本實驗peg （ 6000 ）處理中，生長與相關的水分生理指標的變化主要受peg濃度的影響，而受脅迫處理時間長短的影響較小。 -
In natural light intensity condition, the content of aba is the highest, but the contents of ga, iaa, zrs reduce, which is adaptive to the state of its higher transpiration rate, lower content of relative water and bigger water saturation deficit. one - layer shading enhances the contents of iaa, ga and zrs, which is consistent to its growth condition
自然光照條件下生長的曼地亞紅旱杉aba含量最高， iaa 、 zrs 、 ga含量較低，這與其蒸騰速率較大，植株含水量較低，水分飽和虧缺較大相適應；一層遮蔭提高了iaa 、 ga 、 zrs含量，這與其生長狀況相一致。 -
The relationship between relative evapotranspiration and leaf area index and surface soil water content in winter wheat field of north china plain
華北平原冬小麥相對蒸散與葉面積指數及表層土壤含水量的關系 -
The result showed that physiological response were mainly affected by concentration of peg and less affected by time of peg ( 6000 ) treatment. relative water content of leaves root activity, and growth of roots and plants showed a less reduction under 10 - 20 % peg ( 6000 ) treatment, but ratios of root cap, and contains of soluble sugar, contain of pro and potassium showed a less increase. all those just described indexes showed a marked change under 25 % peg treatment
在10 20的peg濃度脅迫下，葉片相對含水量、根系活力、根系及地上部生長量下降的幅度較小；根冠比、可溶性糖、脯氨酸（ pro ） 、 k ~ +上升的幅度也較小，而在25的peg濃度脅迫下上述指標發生了很顯著的變化，葉片相對含水量、根系活力明顯下降，可溶性糖最大含量出現的時間較20濃度脅迫的提早3d ，且較20時的最大含量小，並在延長處理3d后又開始下降，根系和地上部的生長受到嚴重抑制，且地上部影響大於根系，根冠比顯著增大，脅迫後期趨于恆定狀態，生長幾乎完全停止。 -
( 5 ) the synthetic draft curve was conducted by crop coefficient and relative soil moisture. the correlation in crop coefficient and relative water content takes on uniform trend comparing to the soil water deficient degree. in the whole growth season of cotton, the high correlation coefficient occurred in the period of seeding, which was declined in the period of blooming and flowering, whereas it was raised in the late period of cotton
（ 5 ）綜合作物系數與相對含水率擬合關系表明，作物系數與含水率的相關性與土壤受旱的情況呈現相同的趨勢，苗期的相關系數高，而到了蕾期偏低，花鈴期更低，到了吐絮期有所升高，整體上表現為水分狀況良好，相關性就越高。 -
The condensation heat - exchange characteristic of a separate - type heat - pipe was studied on a 1 : 1 model. the heat pipe is heated by electricity, and working fluid is distilled water, and it is cooled by air. the experimental results show that, ( 1 ) when charging liquid ratio is 45 %, condensation heat - exchange coefficient reaches to maxium ; ( 2 ) when there is not non - condensing gas, the coeffcient decreases a little with the increase of vapour pressure, and it decreases by 9. 5 % when the pressure increases from 0. 16mpa to 0. 36mpa ; ( 3 ) when there is non - condensing gas, the coefficient decreases a little, but when the gas is discharged by an exhaust value, it can be improved, when the volume content of the gas is 2. 5 %, it can increased by 22 % ; ( 4 ) the effect of the non - condensing gas on the coefficient decreases with the increase of the pressure, and when the volume content of the gas is 5 % and the pressure increases from 0. 16mpa to 0. 36mpa, the coefficient increases by 6 %. the relative curves are given between condensation heat - exchange coefficient and air flowrate, charging liquid ratio and vapour pressure
建立了空氣冷卻實驗臺，熱管的加熱方式為電加熱，工質為蒸餾水.在1 1模型上對分離式熱管管內凝結換熱特性、不凝性氣體對凝結換熱的影響及不凝性氣體的擴散規律進行了試驗，得出分離式熱管有一最佳充液率，其值為45 %左右；凝結換熱系數隨著蒸汽壓力的增加略有降低，在實驗的壓力范圍內，降低了9 . 5 % ；不凝性氣體對分離式熱管的凝結換熱僅影響冷凝段下部較小部分，通過排氣閥排出不凝性氣體可有效地改善冷凝段下部的凝結換熱；隨著壓力的增加，不凝性氣體對分離式熱管冷凝段的影響減少.這些結論可用於分離式熱管換熱器的工程設計和控制 -
Relative water content ( rwc ), operation and development of alternative pathway, the changes in active oxygen species ( aos ) and activities of antioxidant enzymes, and the role of alternative pathway participating in the protection mechanism against environment stress were studied and discussed in wheat seedlings leaves under combined intimidation of water stress and pathogen infection
摘要以抗旱性和抗病性不同的小麥為材料，以正常生長為對照，觀察了病原菌和水分復合脅迫對小麥葉片相對含水量、活性氧代謝以及對抗氰呼吸的發生、運行的影響。 -
The curvatures of the curves between total formation conductivity c, and total water saturation swt, are greatly affected by formation matrix conductivity cma, while it is less affected by clay conductivity ccl. the curvatures of the curves between c, and swt are only affected by w, a factor number that is related to relative volume of water content in the formation, while is not much affected by the matrix factor number ma. when ct is kept to be constant, swt increases ash ma increases, and decreases as w increases
通過對該模型的影響因素分析，發現泥質分佈形式對模型計算的含水飽和度有很大影響；隨cma變化， ct與swt關系曲線的曲率發生變化；隨ccl變化， ct與swt關系曲線的曲率基本不變；只有或_ w變化， ct與swt關系曲線的曲率發生變化；只有_ （ ma ）變化， ct與swt關系曲線的曲率相近； ct一定， swt隨或_ （ ma ）增大而增大，隨_ w增大而減小。 -
The water content of media had great influence on germination and the seeds could get the best germination when the relative water content was 70 %
基質含水量的差異對種子發芽影響較大，相對含水量為70 %時，種子發芽效果最佳。 -
The results showed, under the stress of continuous drought, the relative water content of leaves had a descending trend, while the penetration of membranes lightly increased
研究結果表明：供試材料在連續乾旱脅迫下，葉片相對含水量呈下降趨勢，質膜透性有所增加。 -
The results with grey correlative degree analysis showed that chlorophyll content, water potential of leaves, relative water content and electric conductivity can be regarded as the important indexes of drought resistance evaluation of the species
關聯度分析結果表明：葉綠素含量、葉水勢、葉片相對含水量以及電導率可作為3樹種重要的抗旱評價指標。 -
Thirdly, this paper compared the different responses of plants to these two stresses, the change of the defensive enzyme activity and the rate of losing water of leaves was different at two different stresses. the rate of losing water of leaves at drought stress was more rapid than that at salt stress, the leaves would wither and the change of activity of enzymes notably at drought stress, these results showed that the damage to plants was result from the oxidation at drought stress. at salt stress, the content of relative water of leaves changed slightly as well as did the activity of enzymes, these results showed that the damage to plants was caused by poison of ion and lack of nutrition
三、通過研究兩種冰草植物對兩種脅迫的反應指出乾旱脅迫和鹽脅迫通過不同的途徑對植物進行傷害，主要表現在葉片的失水速率和保護酶活性的變化，乾旱脅迫短時間內葉片失水速率很快，葉片萎蔫，引起保護酶活性顯著變化，表明乾旱脅迫主要是通過氧化脅迫對植株造成傷害，而鹽脅迫下葉片相對含水量幾乎保持不變，表明鹽脅迫對植物的傷害主要通過離子毒害和營養虧缺造成。
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