水分飽和的 的英文怎麼說
中文拼音 [shuǐfēnbǎohéde]
水分飽和的
英文
moisture laden- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 的 : 4次方是 The fourth power of 2 is direction
- 水分 : 1. (物體內所含的水) moisture [water] content; dew; humidity 2. (誇大的成分) exaggeration
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
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And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。In this thesis, the development of emulsion polymerization theory and related new technologies are comprehensively reviewed, and the synthetic technologies of acrylate latex modified by organosilicon both at home and abroad are also reviewed. based on the current development and research in this field, attentions of this study are focused on three ways for preparing novel acrylate latexes modified by organosilicons, that is, 1 ) the acrylate monomers are copolymerized with unsaturated silicons by emulsion copolymerization ; 2 ) a new latex with microphase separation morphology is synthesized, which shows a core - shell structure character ; 3 ) soap - free polymerization is explored for preparing a higher - performance latex using an unsaturated silicon monomer, different acrylates and a reactive emulsifier. by using techniques of delaying addition of organosilicon monomer and a hydrolysis inhibitor, the hydrolysis and condensation of 3 - ( trimethoxysilyl ) propyl methacrylate during polymerization can be effectively prevented, as a result, organosilicon content in the macromolecular chain is increased
同時採用有機硅單體延遲滴加及添加水解抑制劑等技術,有效防止了-甲基丙烯酰氧基丙基三甲氧基硅烷在乳液聚合過程中的過渡水解及縮合反應,提高了聚合物大分子鏈中有機硅鏈節的含量;利用紅外光譜與差示掃描量熱儀對產物分子結構進行了表徵,並通過對共聚產物力學和吸水率的測試,證實了本研究所制備的有機硅改性丙烯酸酯共聚物具有比純丙烯酸酯聚合物更優良的力學及耐水性能;從分子設計角度出發,利用醇解反應合成出水解、縮合反應速率較慢的兩種新型不飽和有機硅單體: ?甲基丙烯酰氧基丙基三乙氧基硅烷和?甲基丙烯酰氧基丙基三異丙氧基硅烷;利用核磁共振對新型硅烷單體結構進行了證實;研究表明利用新型硅烷單體可以制備出高硅烷含量的有機硅改性丙烯酸酯乳液,且其聚合產物具有較高的力學及耐水性能。Regard - ing the surface runoff mechanism, liang and xie 1, 2 presented a new surface runoff parameterization which dynamically represents both the horton and dunne runoff generation mechanisms within within a model grid cell together with a consideration of the subgrid - scale het - erogeneity, which can be applied to not only humid regions but also droughty regions as well 3, 4. regard - ing the soil water movement, xie et al. 5 developed an unsaturated flow numerical model based on the finite element method, and xie et al. 6 presented another numerical model to compute soil moisture and water flow flux together by means of a mixed finite element method
在地表徑流方面,文獻1 3發展了一種同時考慮蓄滿超滲產流機制及次網格非均勻性的新的徑流機制模型,並用其改進了陸面模式vic variable infiltration capacity中的徑流計算,該模型既適用於濕潤地區也適用於乾旱地區4 .在土壤水模型方面,文獻5採用有限元質量集中法發展了非飽和土壤水流的數值模型,文獻6則採用混合有限元法建立了非飽和土壤水分含量和通量計算的數值模型In conclusion, the variable degree of the soil water properties and bulk density in different layers is water content > wilting point > field capacity > saturation > bulk density
總的來看,各水分特性在剖面各層的變異情況為:含水量>萎蔫含水量>田間持水量>飽和含水量>容重。At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed
結果表明:冷杉原始森林土壤容重隨土層深度的增加而增大,分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ,飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小,十壤總孔隙度也逐漸減小,土壤的持水能力隨深度的增加逐漸減弱;林外空地a層、 b層十壤容重相差不人,分別為0 . 92和0 . 99g cm ~ 3 ,其它規律與林內人體相同:皆伐跡地的低洼地段容易發生逆行演替,形成高原沼澤地。For c. violaceum, it is moderate treatment that all the corresponding parameters have the maximal value. but it still was maximal for leaf biomass, lar, ramose number of stem, stem biomass and umbrella number of flower. and the rgr of drought treatment in january exceeded the saturation treatment largely, but the difference among treatments was small in april
川明參與明黨參和峨參相應的生長參數基本以中度水分條件下最大,但葉生物量、 lar 、葶分枝數、葶生物量和花傘數仍以飽和水分條件下最大;而1月份乾旱條件下的rgr遠高於其他兩種水分條件, 4月份則相差很小。And the major results and some new viewpoints were presented as follow : 1 ) sediment content of cn tillage system in runoff process is substantially low compared to st under rainfall with high intensity, showing cn bear the efficient capacity of control soil loss. nevertheless, when soil is saturated, the runoff intensity of both tillage systems is near, implicating cn has the limited function of reducing runoff. 2 ) based on the case analysis of observed all rainfall - runoff generation processes, a ) the initiation time hysteresis of surface runoff generation is notable when rainfall fall upon the unsaturated purple soils, which is attributed to the property of rapid water sorption and much non - capillary porosity
經近幾年的觀測和理論分析,取得了以下結果和創新的認識: 1 )在降雨強度較大的情況下,保護性耕作制? ?聚土免耕的產沙強度明顯較常規耕作制? ?順坡耕作的小,說明聚土免耕耕作制防治土壤流失是有效的;但當土壤達到飽和后,聚土免耕的徑流強度與常規耕作的差異較小,產沙強度也增大,因此,聚土免耕防治水土流失的能力是有限的。When the moisture content is below fibre saturation point, the movement of absorbed water is subdivided into two parts : one is diffusion transfer due to the vapor pressure gradient, the other is moisture movement caused by the pressure fluctuation due to the variation of medium
在纖維飽和點以下時,木材內部吸著水的遷移可分為:水蒸汽壓力梯度下的擴散遷移和由於乾燥介質壓力的波動而引起的浮動壓力下的遷移兩個部分。Based on the above, another mathematics model for calculation about saturation index ( complex compounds considered / unconsidered ) which can reflect water - rock interaction ' s state has been built up, moreover newton - raphson which is a iterative way has been used to resolve the mathematics model, the results show that si ' s value accord better with practice when complex compounds are considered.
在此基礎上,建立了旨在反映水-巖(或礦物)系列間反應狀態的飽和指數si的數學模型,採用newton - raphson迭代法進行求解。在計算中,分別考慮絡合物的影響和不考慮絡合物的影響。結果表明,基於考慮絡合物的影響所求得的si值比較符合實際。When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer
2 )耕作制下紫色土的產流主要機制是: 1 )當雨前土壤含水量未達到飽和狀態時,表面產流起始時間有明顯滯后現象,這與紫色土的快吸水性和較多非毛管孔隙密切相關;當雨前土壤較乾燥,降雨初期雨強較大時,易形成臨時相對不透水表層,表面產流峰也有明顯滯后現象。 2 )表面徑流的產流方式主要是超滲產流,當土壤達到飽和狀態后,有四川大學博士學位論文小部分回歸流發生,但主要是飽和超滲產流發生,因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 )壤中流主要是飽和產流,與降雨過程有明顯的滯后,而且雨停后的壤中流產流歷時與降雨特徵無關。Air is said to be saturated with water vapor when it contains the maximum amount that will evaporate at a given temperature.
當空氣中所含水分在一定溫度下處在最大蒸發量時,就說空氣中的水分飽和了。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。On the basis of the theory about water potential in soils, a partial differential equation of water movement in unsaturated soils is derived, which chose volumetric water content as the control variable. the numerical solution of the equation using finite difference method is discussed in this paper, and the modality to calculate water movement in slope considering rain infiltration
基於非飽和土的土水勢理論,本文推導了以體積含水率為因變量的二維非飽和土的水分運動方程,並給出了用有限差分法來求解此偏微分方程的方法,得到了考慮降雨入滲影響的土坡水分運動的計算程式。Percentage ration of the actual vapour pressure in the air to the saturation vapour pressure with respect to water at the same temperature and pressure
空氣中的實際水氣壓與在相同溫度和氣壓下的水面飽和水氣壓的百分比。If the history is positie, then it is followed by polysomnography, an oernight sleep study that usually looks at sleep stages, time in stages, oxygenation, co2 leels, time spent in less than 90 % o2 saturation, and rdi
如果規律性研究結果是正性的,那麼接下來就要用多導睡眠描記法檢查,一種通常觀察睡眠分期,各期時間,氧氣,二氧化碳水平,飽和90以下氧氣的時間,及rdi的通宵睡眠研究。Thereby the complicated evaporation process of heterogeneous soil surface is simplified into a flux integral expression which contains two - pail contributions from soil water relatively saturated region and unsaturated region, and it is proved that the calculation of mean evapotranspiration efficiency in grid region can be simplified into weighted average of heterogeneous regions
從而將非均勻地表區域的蒸發過程的復雜機制分解為地表層土壤水分飽和區與非飽和區影響下的通量貢獻積分式,從理論上證明,網格區平均蒸散率的計算可簡化為不同性質的區域加權平均。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。Numerical models were used to study how the infiltration into a slope varies with the rainfall intensity, rain fall duration, soil properties and how the infiltration influences the stability of a slope. a numerical program is coded to solve the transient seepage field by using the finite element and finite difference methods based on the saturated - unsatured soil seepage theory. a model for considering the variations of soil weight and shear strength is created / constructed and the corresponding program is coded
本文針對受降雨影響顯著的非飽和殘積土土坡,運用飽和?非飽和土壤水分運動的理論和二維非穩態滲流有限元模型,模擬雨水入滲引起的暫態滲流場,將計算所得到的暫態孔隙水壓力分佈用於考慮了基質吸力影響的土坡穩定安全系數的計算當中,建立了考慮非飽和土土坡從雨水入滲到出現滑坡危險全過程的計算模型。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。With mortar being separating matrix, from aspects of theories and test - methods of workability - design, separation mechanism of water - reducer for cement paste, relation between properties of interfacial zone and concrete durability etc, this work focused on sample index for durability evaluation, saturation dosage of water - reducer, test for rheological properties of mortar and test on concrete workability etc, achieved following main conclusions. 1
本研究以砂漿為分散體系,對混凝土的工作性設計從理論到測試方法、從減水劑對水泥漿體的分散機理、從混凝土界面性能與耐久性的關系等不同角度,對砂漿流變性能的測試方法和混凝土工作性的測試、減水劑飽和摻量、耐久性簡要評價指標等方面進行了研究,得到以下主要結論。分享友人