水分保持性能 的英文怎麼說
中文拼音 [shuǐfēnbǎochíxìngnéng]
水分保持性能
英文
moisture resisting quality- 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
- 保 : Ⅰ動詞1 (保衛; 保護) defend; protect 2 (保持) keep; preserve; maintain in good condition 3 (...
- 持 : 動詞1 (拿著; 握著) hold; grasp 2 (持有; 保持) keep; hold 3 (支持; 保持) support; maintain 4...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 能 : 能名詞(姓氏) a surname
- 水分 : 1. (物體內所含的水) moisture [water] content; dew; humidity 2. (誇大的成分) exaggeration
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The protective designs analyze the self - purify approach of nature water body, strengthen the purify function of water body type, improve the water body construction and biome by principle of resuming the water quality, and maintain water quality by the balance capacity of the system
保護性設計以水質恢復原理為指導,分析自然水體的自凈途徑,強化了水體形式的凈化功能,完善水體結構與生物群落,依賴系統自身的平衡能力維持水體質量。The dissertion, after introducing physical geography situation and societal economic sitiuation of chongqing, has also analysed the basic feature of water resources in chongqing, at present the water resources utilization in chongqing is still in traditional phase. there are so many faults and shortcomings in water resources management system. the construction of water resources institutions and regulations is fallen behind. the supply of water resoures has not sufficiently satisfied the demand to water resources. the condition of water quality has not radically improved. soil losses is still serious. the incidence of flood and drought is very high. in accordance with present condition of water resources utilization in chongqing, the dissertion argues that it should strengthen people ' s understanding to water resources sustainable utilization for chongqing ; reform the present water rexources management system and have a try on water affairs management system in chongqing ; make effort to construction of water resources " institutions and regulations ; realize demand management, constuct save - water model society ; according to actual condition, strength water utilization constrution, then realize the balance between water resources supply and demand ; according to the idea of " control resources, conduct flow ", control water pollution, realize sanitary generation ; control soil losses and protect water enviroment ; construc t the system of flood control and diaster prevent
在對重慶市的自然地理情況和社會經濟情況作了介紹之後,還分析了重慶市水資源的基本特徵,目前重慶市的水資源利用還處在傳統的開發利用階段,水資源管理體制還存在許多弊端,水的法規制度建設也相對落後,水的供給還不能完全滿足需求,水質狀況沒有得到根本性的改善,水土流失還很嚴重,水旱災害發生的頻率比較高。針對重慶市水資源利用的現狀,本文提出:應加強對水資源持續利用的認識;改革目前重慶市的水管理體制,嘗試水務局管理體制,相應加強水的法規和制度建設,實現需水管理,建立節水型社會;根據實際情況,加強水利建設,實現水的供需平衡;依據「控源導流」的思想控制水污染,實現清潔生產;治理水土流失,保護水環境;建設防洪減災體系。The dissertatio n constructs the index system, introduces the coefficients of development, coordination, fairness, and the coefficient of sd, which is composed by the former three and can reflects the sd overall strength of watershed, brings forward the quantative criteria of in order that the research of wrcc is based on the good watershed ecology and environment, the dissertation, according to the ecological appropriate theory, builds the logarithm normal distribution model about the relation between the growth of natural vegetation and the depth of groundwater ; based on this relation model, proposes a quantitative method of ecological water requirement ( ewr ) of natural vegetation in arid area, which utilizes the results of rs technique and the spot testing data of vegetative physiology demand
針對流域特點建立了基於水資源的流域可持續發展評價指標體系,引入發展系數、協調系數、公平系數,以及由其構成的衡量水資源支撐社會可持續發展綜合水平與能力的可持續發展系數,提出了可持續發展的定量判別方法。為保證在良好生態的前提下進行水資源承載能力研究,論文根據生態適宜性理論,建立了乾旱區典型天然植物生長與主要環境因子的偏態單峰對數正態分佈模型。基於此關系模型,利用遙感技術成果以及植物生理需水的現場實驗數據,提出了乾旱區天然植被生態需水量計算方法。The primary representations of the vulnerabilities of water resource in hengyang basin where is a typical hilly region with red and purple soils in south china are analyzed : the precipitation re source varies greatly in spatial and temporal distribution ; the soils and rock property are not in favor of water and soil conserving ; the structure of crops needs a high water consumption ; and the farm irrigation works are timeworn and frangible
摘要以中國南方典型的紅壤和紫色土丘陵區衡陽盆地為例,分析論述了衡陽盆地地表水資源脆弱性主要表現在:降水資源時空分佈不均勻;不利於水土保持的地表物質組成和植被覆蓋;耗水量大的農業種植結構以及調蓄水功能弱的農田水利工程體系等方面。The silver colloid in the composite material never changed the ability of zp to tune the potential of redox mediators. but the ability of the zirconium phosphate to adsorb neutral red and the redox reaction ability of this phenothiazine dye were enhanced significantly in the composite film due to the nanosize silver colloid
磷酸鋯降低了納米銀膠粒在水溶液中的聚集,提高了其催化活性,而銀膠粒保持了磷酸鋯對介體的電位調制能力,並大大的提高了磷酸鋯對堿性染料的吸附能力和染料分子的活性。Sponges : these are female, because they are soft, squeezable and retain water
海綿:海綿是女性,因為她們很軟,可以擠壓並且能保持水分。The implementation of these new ideas has greatly help the developing of some true applications. to meet the character of hydropower engineering application and make the apllication professional, the author has tried to attain the goal of engineering oriented while keep the universalness of the application as much as possible. that is to say, little modification on the application can fit it to different engineering problems
根據水工分析軟體系統的特點,為了能做到軟體系統為水工所專用,作者試圖在盡可能保持水工結構分析軟體的通用性的同時,做到軟體系統能面向工程化,在對系統小幅度的改動的情況下,即能為各個不同的工程所專用。( 1 ) wheatgrass could remove the active oxygen by heightening the activity of the enzymes and protect the plants from damage at light stress. ( 2 ) wheatgrass could keep turgor pressure by osmoregulation and flexibility of cells to maintain plants developing in drought stress, some osmregulatory substance, such as the proline and the soluble sugar, increased
2 、冰草植株在滲透脅迫條件下會增加滲透調節物質如脯氨酸、可溶性糖類以降低細胞滲透勢,使其在高滲溶液中仍能夠保持一定水分的吸收,植株能夠維持生命活動。It divides the main vegetation of the headwater region of huangpu river into 4 categories based on field survey and observation and methods of factor analysis and systematic cluster analysis and according to the degree of soil and water conservation function : deciduous trees and shrubs are category 1 which shows very strong soil and water conservation function ; tea plantation, grasslands and pine trees are category 2 which has stronger function ; the category 3 is moso bamboos and broadleaved evergreen trees which have stronger permeability and erodibility, but the permeable performance is not outstanding, the capacity of soil moisture storage common and soil and water conservation function moderate and ; the category 4 is uncovered land where the soil and water conservation function is very weak and its permeability, erodibility, erosive resistance and soil moisture storage capacity are all notably smaller than that of the other lands
摘要在野外調查、實測的基礎上,採用因子分析、系統聚類分析的方法,根據土壤層水土保持功能的強弱,將黃浦江源區主要植被類型分為4類:落闊林、灌木林為第一類,表現出很強的水土保持功能;茶園、草地、松林為第二類,土壤水土保持功能較強;毛竹林、常綠闊葉林表現出較強的抗蝕性和抗沖性,但滲透性能並不突出,土壤貯水能力也一般,水土保持功能中等,為第三類;裸露地水土保持性能很差,單獨作為第四類,其滲透性、抗蝕性、抗沖性、土壤水庫容都顯著小於其他各樣地。In order to study the influence factors of aoa of rose flowers, the effects of drying and extraction methods on the aoa of rose flowers were investigated. the results indicated that drying after high - temperature short - time pretreatment was rather effective to maintain their aoa ; the aoa of water extracts was stronger when the temperature was raised from 25 to 100 ; by using orthogonal test, the optimum extraction conditions of rose flowers were : solvent - 75 % ethanol ; ratio of material and solven - 1 : 10 ; extraction times - three times with 24 h at one time, at the room temperature. the extracts obtained by 75 % ethanol were fractionatedly extracted with petroleum, diethyl ether, ethyl acetate and n - butanol in turn, and the various fractions " aoa were analyzed
為了探討玫瑰花抗氧化活性的影響因子,比較了不同乾燥方法、提取方法對其抗氧化活性的影響,發現:經短時高溫處理后再進行乾燥有利於較好地保持玫瑰花的抗氧化活性;以水作溶劑提取時, 25 100范圍內水提液的抗氧化活性隨著溫度的升高而增強;通過正交實驗篩選得到常溫下玫瑰花抗氧化活性物質的最佳提取方法為: 75乙醇為溶劑,液料比1 : 10 ,提取3次,每次24h ; 75乙醇提取物依次用石油醚、乙醚、乙酸乙酯、正丁醇等有機溶劑進行兩相分部萃取,發現玫瑰花的抗氧化活性物質主要存在於乙酸乙酯部,說明玫瑰花抗氧化活性主要成分可能是單寧類、黃酮苷類和原花色素類化合物; 4Based on the principles of designs of self - compacting and light aggregate concrete mix, sclc of lc30 - lc50 was developed by using absolute volume method. the main factors affecting the workability of sclc were studied by adopting the modified l - 800 fluidity instrument. the results indicate that the key techniques insuring good workability of sclc are about 30 % first - grade fly ash, about 50 % volume sand ratio, 2 % ~ 6 % dosages of silicon fume and compounded superplasticicizers with viscous ingredient
採用改進l - 800流動儀,研究了影響lc40自密實輕骨料高性能混凝土工作性的主要因素,結果表明:粉煤灰摻量保持30左右,硅灰摻量為2 6 ,體積砂率為50左右和摻加具有粘塑組分的復合高效減水劑是保證sclc拌合物具有較好工作性的關鍵。Abstract : the synthesis, adsorptive properties and some other mechanical properties of a kind of high water - adsorbing fiber were studied, paper made from this high water - adsorbing fiber beaten with 80 % ( wt ) cotton, demonstrated that the fiber had rap id adsorption, high adsorptive capacity and holding capacity for all of distilled water, main - water and man - made urea, and had suitable mechanical properties to be used to make high water - adsorbing paper
文摘:本文報道了一種高吸水纖維的合成、吸水性能及其部分物理機械性能,並利用這種高吸水纖維與純棉纖維按1 : 4的比例進行混合打槳而製成一種高吸水紙,對這種吸水紙也進行了吸水性能及部分機械性能的測定,結果表明所合成的高吸水纖維對蒸餾水,自來水及人工尿液的吸附速度快,吸收量高,並且可在一定的壓力下保持較高的吸水量,還可以與棉纖維混合成紙。The fractal dimension of the mixed forests were lower than the pure forests and grassland, and the soil weight diameter of the mixed forests were higher than the pure forests and grassland, which indicated that the mixed forest had best soil structure property in stability infiltration and water - holding ; the soil total porosity and the soil noncapillary porosity were different greatly between forest types, but the soil capillary porosity had little differ
混交林分分形維數均低於單純林與荒草地,土壤重量平均直徑均高於單純林與荒草坡,說明混交林土壤結構穩定性最好,土壤通透性較好,具有較高的水土保持功能;不同林分類型之間,土壤總孔隙度與非毛管孔隙度差異較大,而毛管孔隙度的差別較小。Sparedescription : based on infiltration capacity curve, the paper demonstrates the amelioration of soil infiltration capability under the soil and water conservation measures from theoretical and experimental analysis
描述:從土壤水分下滲能力曲線出發,從理論和實驗分析兩方面說明水土保持措施下土壤入滲性能的改良作用。By compounding jd with hpp, the " overlapping effect " of two kind superplasticizers was fully manifested. the compatibility of jd with cement and keeping slump value were more improved through this compounding way. meantime, the bleeding and segregation of hpp were overcome too
Jd和hpp復合使用,可充分發揮高效減水劑的「疊加效應」 ,進一步提高jd與水泥的適應性,坍落度保持性能,也克服了氨基磺酸鹽高效減水劑泌水離析等缺陷。Based on the co - linearity analysis of runoff and precipitation among different hydrological stations and various kinds of water and soil conservation measures, a statistical hydrological model of precipitation - soil and water conservation - runoff for the river basin is established by applying multiple regression method to analyze indicators and runoff data
摘要本文在變量共線性分析基礎上,提出了流域降水量標度和水土保持標度及其計算方法,建立了流域降水水土保持徑流統計模型,該模型不僅能分離水土保持措施對河川徑流量影響程度,而且還可分析降水及水土保持對流域徑流量變化的影響。According to the development requests of the beach, the forestry landscape system of the yellow river beach were divided into following function types : protection - conservation of water and soil - cushion forest, protection - conservation of water and soil - amusement and creation - biodiversity protective forests, the ornamental - amusement and creation - education - germplasm resources forest, the amusement and creation - leisure - watching forest, the economic - watching - amusement and rest forest, the ornamental - amusement and rest - education - biodiversity protective forests and so on
根據灘地發展要求,結合黃河灘地景觀分區將黃河灘地林業景觀系統分為:防護水土保持緩沖林、防護水土保持遊憩生物多樣性保護林、觀賞遊憩教育種質資源林、遊憩休閑觀賞林、經濟觀賞遊憩林、觀賞遊憩教育生物多樣性保護林等復合功能類型,構建了有利於黃河灘地可持續發展的林業景觀系統。Frequent feedings and uniform distribution is very important to ensure adequate diet availablity. best results occur when feed is kept in suspension.
多次投餌及均勻分佈水中,保持懸垂性,才能獲得最好的投餌效果。Frequent feedings and uniform distribution is very important to ensure adequate diet availability. best results occur when feed is kept in suspension.
多次投餌及均勻分佈水中,保持懸垂性,才能獲得最好的投餌效果。Meanwhile, the evaluation has changed from a single aspect su ch as vegetation and soil to a comprehensive evaluation including deterioration of environment and degradation of soil morphology and fertility. studies on a theoretical basis and basic principle for restoration and reconstructions. the study on benefits and functions of a restorated ecosystem
恢復與重建的生態系統功能與效益的研究,其效益評價由生物多樣性、水土保持功能、土壤養分、小氣候等單一方面轉向利用灰色系統理論及系統工程方法進行綜合評價。分享友人