水下平衡 的英文怎麼說
中文拼音 [shuǐxiàpínghéng]
水下平衡
英文
submerged trim- 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...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 衡 : Ⅰ名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
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( 4 ) tc is difficult to be desorbed when preequlibrated water is used as desorption solvent under aerobic and anaerobic conditions. under anaerobic condition, the desorption rate of tc rises with the increase of hach concentration it appears that the tc sorption process is dominated by oxidation - reduction mechanism
( 4 )在大氣和低氧條件下,以預平衡水做解吸劑時, tc難于解吸下來,隨著h2o2濃度的增大,解吸率升高,得出tc在花崗巖上的吸附為不可逆的氧化還原吸附機理。The results show that the genetic diversity of filial generations is higher than self - bred progeny ’ s , the hybrid vigor has manifested at metabolization level 。 the proportion of polymorphic loci ( p. 99 ) in f1 generations was 30. 77 - 36. 36 % , the mean observed heterozygosity ( ho ) of jmcf ( japanese male chinese female ) was the highest with 0. 1727, the rest populations were : jfcm ( japanese female chinese male ) 0. 1536 、 cp 0. 1273 and jp 0. 1055 , the mean effective number of allels per locus in f1 generations : cp ’ s was the highest with 1. 7318 , jp ’ s was the lowest with 1. 6718 , the filial generations ’ values were in the midle of the cp ’ s and jp ’ s and between them there was no brightly difference, with 1. 6955 ( jfp ) and 1. 6927 ( jmp )
各組的平均雜合度預期值也表現出該趨勢,即:日自交組最低,為0 . 1786 ,日雄中雌雜交組的平均雜合度最高,為0 . 1964 ,日雌中雄雜交組和中自交組分別是0 . 1891和0 . 1865 。 hardy - weinberg平衡下遺傳偏離指數也是雜交組的小於自交組的,平均每個位點的等位基因有效數目中自交組最高為1 . 7318 ,日自交組最低為1 . 6718 ,兩雜交組群體的這一指數相差不多,分別是1 . 6955和1 . 6927 ,位於兩親本的中間水平。Below the water table at static equilibrium, hydrostatic pressure potential increases with increasing depth.
當靜態平衡時,在水面以下,靜水壓力隨深度而增加。Therefore, it is important to accelerate economic construction, and to maintain ecological balance, and sustainable development of arid, and semiarid areas in order to use and impolder groundwater resources in reason and phase
因此,合理、協調地開發和利用地下水,找出地下水位監測的省錢、省力方法,對乾旱、半乾旱地區的生態平衡、經濟建設、農業發展的影響重大。The hyperbolic conservation laws with relaxation appear in many physical systems such as nonequilibrium gas dynamics, flood flow with friction, magnetohydrodynamics, etc. firstly, the thesis proves that there exists a unique global smooth solution for the cauthy problem to the hyperbolic conservation laws system with relaxation ; secondly, in the large time station, the thesis proves that the global smooth solutions of the hyperbolic conservation laws system with relaxation converge to rarefaction waves solution at a determined l ( p > 2 ) decay rate
帶鬆弛項的雙曲型守恆律組出現在諸多的物理系統中。例如,非平衡態的氣體動力學、帶摩擦的水流、磁動力學等。本文首先證明,帶鬆弛項的雙曲型守恆律組的柯西問題的整體光滑解的存在唯一性;其二,證明了帶鬆弛項的雙曲型守恆律組的解與相應的平衡態守恆律的稀疏波解在大時間狀態下的l ~ p衰減率。The main contents in the paper are as follows : ( 1 ) the operational principle of the hydraulic automatic tilting gates with connecting lever and rolling wheel were analyzed. using block diagram, the author elaborated on the running course and steady factors of the tilting gate. then the instantaneous running center in the running course of the tilting gate was brought forward, and the trochoid of the center was described
本文研究的主要內容如下: ( 1 )分析闡述了水力自動翻板閘門的工作原理和運轉機理,結合框圖詳細分析說明了翻板閘門的運轉過程及其穩定條件,給出了閘門在運行過程中的瞬心軌跡線,分析研究了閘門運動過程中的基本平衡方程。Tensile strength ( ts ) and elongation ( e ) of zein films decreased with the decreasing of freezing storage temperature ; the emc increased with the decreasing of freezing storage temperature, but then it had a little decrease ; with the decreasing of freezing storage temperature, the wvp of zein films showed an increase
隨著凍藏溫度的降低,蛋白膜的抗拉強度和延伸率都呈下降的趨勢;蛋白膜的平衡水分含量隨凍藏溫度的降低先上升,而後又略有下降;水蒸氣透過率隨凍藏溫度的降低而上升。The first geologic reason for degeneration of the eco - environment in the headwater area of the yellow river is that the increase of the recent geologic function caused desertification and grasslands resource decreased and underside changed, destroied the balance of water - air - heat in the area ; the second is that the water environment changes by the degradation and atrophy of frozen earth cause multilayer and synthesis cause of formation degeneration of the eco - environment ; the third is that the man and rats function accelerated degeneration of the eco - environment in the headwater area of the yellow river
摘要黃河源區生態環境惡化的地質原因之一是現代地質作用增強,形成以荒漠化為主的草地資源退化與下墊面改變,地區水氣熱平衡破壞;二是因凍土退化、萎縮,引起水環境變異,導致多層面與綜合成因的生態環境惡化;三是人為及鼠類活動對源區生態環境惡化起著推波助瀾的作用。A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains
模式主要依賴于以下參數和物理量:地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明,本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等,以及它們的日變化。該模式所取參數主要針對北京市,時間為九月初,對于其他城市,參數應作相應的調整。Abstract : the dynamic interfacial tension at crude oil / water interface was studied by drop volume method at different temperatures and concentration of demulsifier
文摘:採用液體體積法測定了原油/水體系在不同溫度和不同破乳劑濃度下的非平衡態界面張力,並對水相不同離子價態對界面張力的影響進行了研究。Taking xinzhou city as the case, the paper analyzes the city ' s actual situation of water supply, available water sources and their amount, distribution and development. it also calculates the mid and long term needed water amount and insufficient water amount in the city. taking the natural, commercial and life material properties and environmental function of water sources into full consideration, taking the satisfaction of the needed amount of the city and the balance and the largest capacity of every water source as the prerequisite, the paper aims at the mid and long term water supply sources ( north water sources region, douluo water sources region, shuiquanwan water sources region ) and the lest spending on the investment and operation of the self - equipped wells ; through the determination of decision variables, a model of economic management for the city ' s water supply is established, witch carries out the mid and long te rm optimal operation of water supply for the city
本文以忻州市為例,分析了忻州市供水現狀,可供水水源、水資源量、分佈及開發利用情況,預測了中長期需水量和缺水量,充分考慮水資源的自然屬性、生活資料屬性、商品屬性和環境因素功能,通過決策變量設置,在保證城市需水量、水資源平衡和各供水水源最大供水能力的前提下,以開采忻州市中長期供水水源(北水源地、豆羅水源地、水泉灣水源地)和自備井開採的投資和運行費用最低為目標,建立了城市供水水源優化調度經濟管理模型,運用線性規劃方法進行了城市中長期供水水源優化調配。To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,
本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。The phytohomone abscisic acid ( aba ) plays many significant roles in plant growth and developmental progresses and in plant responses to environmental stresses. aba production is increased in plant tissues under stress conditions to regulate water loss by closing stomata
植物激素脫落酸( aba )調節植物多種生理過程,尤其在逆境條件下,植物體內aba大量合成,誘導氣孔關閉,從而有效調控植物體內的水分平衡。Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation
利用可精確控制水分條件的水肥平衡場,在不同水肥耦合處理的條件下,研究了水肥耦合對玉米光合特性及產量的影響,結果表明:不同水肥耦合處理的條件下,玉米的光合速率有所不同,氣孔導度的變化與光合速率的變化表現基本一致,而對蒸騰速率、細胞間co2濃度影響不大.其中,在自然降水條件下,有機肥和無機肥的配合,有利於玉米子粒灌漿期維持較高的光合速率,表現出良好的產量潛力.充足水條件下,有機肥和無機肥的配合,光合速率及氣孔導度表現較低,表現產量有所下降,說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下,為充分發揮玉米的產量潛力,最佳的管理措施是增施無機肥和有機肥的配合It can be used in the larger scale calculation in next research. the main achievements of this project were concluded as follows : 1. substantiation of complementary relationship for area evapotranspiration based on nearly 30 years data from 432 weather stations and 512 hydrological stations in china, using means of water balance, the secular annual mean actual evapotranspiration was established
為今後進行大范圍實際蒸散發研究提供了有益的嘗試,本文主要完成以下幾個方面工作: 1區域蒸散互補關系的驗證利用432個氣象站和512個水文站全國共計944個氣象、水文站近30年的氣象、水文資料,採用水量平衡法,計算流域多年平均實際蒸散發量。It adopts holton model to calculate infiltration rate and remains, water balance equation and linear reservoir to calculate runoff, every parameter has a clear physics meaning and geography rule
採用霍爾坦模型計算下滲率及截留量,水量平衡方程和線形水庫進行柵格產匯流計算,模型的每個參數具有明確的物理意義和地理規律。Beginning with the analyse of present situation and cause of formation of saline - alkali land, the irrigated area overall water salt trends are analysed, and the irrigated area saline - alkali land and the groundwater level and distribution law of groundwater degree of mineralization are expounded, the trendence of irrigated area saline - alkali land is put forward. then water salt balance model is estanbished according to the relationship of irrigating and drainage. regarding the irrigated area as a balance area, by analysis of mineralization degree of water pumping from the yellow river and drained off water from irrigated area, the change of the draining off water ion is forcasted in water reducing condition
課題研究主要從鹽堿地現狀與成因及灌區總體水鹽動態分析兩方面入手,闡述了灌區鹽堿地、地下水位、地下水礦化度的分佈規律,分析了灌區鹽堿地的成因及變化趨勢;根據灌區灌溉、排水條件與以上各種因素的關系,建立了灌區水鹽均衡模型;把灌區作為一個均衡區,通過對黃河來水礦化度、灌區排水礦化度的分析,預測了在灌溉引水、排水減少時排水離子量的變化;運用灌區水鹽動態模型原理,對灌區現狀( 1998 、 2000年)與規劃水平年總體水鹽平衡進行了計算;總結分析了灌區水鹽動態變化趨勢,計算並提出了排水控制標準。On the basis of analyzing factor ( soil particle composition, soil bulk density, water stable aggregate content, antecedent soil moisture, slope gradient, rain intensity, accumulation depth and soil crust, soil and water conservation tillage measures ) affecting soil infiltration rates, several relation models was obtained ; analyzed in detail different soil and water conservation tillage measures intensifying infiltration rates, while there have the same rainfall condition, the increasing infiltration rates of contour tillage and artificial digging and artificial hoeing in gully areas of loess plateau are 67 % and 41 % and 29 % ; the increasing infiltration rates in hilly areas of loess plateau is 45 % and 22 % and 14 %
在相同的降雨條件下,黃土高原溝壑區等高耕作與直線坡相比,可提高入滲67 ,人工掏挖可提高入滲41 ,人工鋤耕可提高入滲29 ;黃土丘陵溝壑區等高耕作可提高入滲45 ,人工掏挖可提高入滲22 ,人工鋤耕可提高入滲14 。並根據黃土高原超滲產流的概念和水量平衡方程,建立了不同水土保持耕作措施強化入滲速率模型。Abstract : on the basis of the interpretation of landsat tm pictures, incorporated with the referencing of the predecessors ' literatures and field investigation data, and also by means of computer technique and optical image processing, this paper makes an analysis of water resource in lunan area, more over, the author makes some important plans to developping and utilizing water resource in lunan area
文摘:以水量平衡理論為依據,採用不同時相的tm圖像數據及多元信息復合技術對魯南地區沂源、沂水、沂南三縣(簡稱「三沂」 )的地下水資源、地表水攔蓄條件進行調查分析,在此基礎上,提出了區域水資源綜合開發利用配置方案。With the characteristic time method, we also studied the condensation coefficients of water and argon in liquid - vapor equilibrium system. the simulated condensation coefficient decreases with the increase of temperature for both argon and water, and the condensation coefficient of water is larger than that of argon. though the polarity and the rotation are considered in the simulation of water, the difference between the condensation coefficients of water and argon is not remarkable
模擬獲得的lennard - jones流體和水在平衡條件下的凝結系數表明:水和氬的凝結系數為溫度的減函數;水的凝結系數略高於氬的凝結系數;雖然在水的模擬中考慮了分子的極性、旋轉等因素,但模擬獲得的水與氬的凝結系數之間的差距並不顯著,具體原因仍有待于進一步的探討。分享友人