有效水容量 的英文怎麼說
中文拼音 [yǒuxiàoshuǐróngliáng]
有效水容量
英文
available water capacity- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 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...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 有效 : effective; valid; efficacious
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Infrared imagery, being sensitive to differential heat capacity of the ground, has proved useful in mapping faults which behave as aquicludes.
紅外成像對于地面不同熱容量是敏感的,對于作為阻水的斷層的填圖證明是有效的。Biosorption is a process that utilizes inexpensive active / dead biomass to sequester heavy metals and is particularly useful for the removal of contaminants from industrial effluents. compared with conventional methods such as ion exchange and precipitation with lime, the biosorption process offers the advantages of low operating cost, minimization of the volume of chemical and biological sludge to be disposed of, high efficiency in detoxifying very dilute effluents
生物吸附技術是環境領域近年來迅速發展起來的處理工業污染廢水的新技術,它以各種生物(菌類或藻類)吸附廢水中的重金屬離子,具有吸附容量大,選擇性強,效率高,消耗少,並能有效的處理含低濃度重金屬離子廢水等優點。Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased
結果表明: ( 1 )從落葉松幼齡林到中齡林,隨著林冠的郁閉和林下植被蓋度的急劇下降,林地土壤酸度、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總孔隙度呈明顯下降趨勢,而根際和非根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢;從中齡林到近熟林,由於撫育間伐,林分密度及郁閉度下降,林下植被蓋度逐步得到恢復,根際與非根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總孔隙度呈明顯的上升趨勢;從近熟林到成熟林,隨著林齡的增大,根際與非根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總孔隙度呈下降趨勢,而根際與非根際土壤全磷含量、土壤酸度(特別是交換性鋁)和容重呈增加趨勢。Furthermore, on the basis of consultancies, inquiries and evaluations from multiple sources, the model for predicting soil and water loss in dandong - zhuanghe highway construction is developed. moreover, considering the characteristics of the highway, the covering area of the project is divided into three parts such as main body area, soil - fetching area and soil - spoiling area. for these three preventive areas, the perfect precaution measures for preventing and curing the soil and water loss during the road construction in which a number of vegetal cover measures are taken
論文中詳細調查並介紹了項目情況及沿線自然、社會經濟狀況;收集研究了公路建設項目水土流失預測的基本內容和方法,在多方查詢、請教專家及分析研究的基礎上,提出了丹莊高速公路水土流失預測模型,針對項目不同區域進行了水土流失預測和分析,為水土保持措施的設計提供了定量依據;論文根據高速公路項目的特點,將丹東至莊河高速公路項目區分成了主體工程、取土場、棄土場三個水土流失防治區,並在初步設計文件的基礎上,針對三個水土流失防治區進行了較為完善的水土保持防治措施設計;論文在丹東至莊河高速公路水土保持方案設計中大量採用了植被防護措施,為了更有力地指導植被措施的施工,論文中還就植被保持水土的有效性進行了研究探討。In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Besides, scan rate and cycle period also affect the result ; co - deposition of dualistic oxide is a focus of research, as an element in the same group, ir is selected. deposition rate of composition is decreased by the adding of ir composition, and when the proportion of ir exceeded 50 %, composition procession can be ceased. but cooperation of ir and ru oxide can highly increase the specific capacitance of active material ; annealing treatment under a certain temperature can help to change the hydrate ru composition into mixture state ru oxide, accordingly increase the stabilization of active material
研究表明:電解液的配製過程中,氯化釕濃度、溶液ph值、陳化時間、溶液溫度對電鍍效果均有影響,其中溶液ph值是最主要的影響因素;在儀器的使用條件探索中,理論結合實驗確定了本電鍍液體系循環伏安電勢窗的理想范圍,並發現循環伏安掃描速度和掃描周期對電鍍結果也有較大影響;混合氧化物的共沉澱是目前研究熱點,在此選用與釕同一族的銥作為共沉澱元素,銥的加入會阻礙氧化物的沉積速度,銥的比例超過50 %會使沉積作用停止,但是二元氧化物的協同作用使沉積的活性物質比容量大大提高;一定溫度下退火后處理作用會使水合釕化物轉變成混合價態的氧化釕,從而提高活性物質的穩定性。According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography
第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。Through the utilisation of this energy, which is left unused by nature, an energy source is tapped, with whose help a part of our energy requirements can be covered, which would otherwise have to be covered by fossil fuels. the excellent properties of the hydro - dynamic screw are its minimal disturbance to the environment, the environ - mental friendliness and long service life. a capacity of 0. 1 to 5. 5 cubic meter per second and a head up to 10 m, enables it to utilise hydrodynamic powers which are ruled out for turbines for reasons of cost
水力螺旋發電機同傳統的水輪機和渦輪機相比具有優越性,其對環境的影響很低,環境友好且使用壽命長,而且高達5 . 5立方米秒的水體輸送容量和高達10米的水頭使其可以充分的利用水能,只要有1千瓦的能量也可以利用,運行效率遠高於渦輪機,且投資和運行成本低於渦輪機。The overhaul of power units are arranged in terms of peaking capacity balance and the power loads are dispatched based on the principle of equal incremental coal consumption rate in the new method, which is anticipated to solve the economic operation of the power system
實際上,抽水蓄能電站的容量效益與電網的負荷水平、負荷曲線形狀和常規水電的比重有關,而節煤效益除與負荷水平、負荷曲線形狀有關外,還與電網的電源結構、火電機組的動力特性有關。With the acceleration of extinction of species, biodiversity conservation is extensively concerned. the extinction of species is concerned with the degree of threat by biotic and abiotic factors. so, taking action to preserve plant species is very necessary and paramount before their extinction. one of the most effective biological techniques to conserve the biodiversity is the establishment of genebanks, i. e. ex situ conservation. the elucidation of various factors that regulate seed viability and vigor in storage is essential. an ideal condition to prolong the longevity is mainly depended on seed water content, temperature, humidity and types of containers used during storage. the optimum stage of seed maturity, harvesting techniques and processing, in addition to physiological features such as degree of dormancy, also play key roles in seed storage. certainly, desiccated seeds deteriorate with time even under extremely good genebanking conditions. according to seed storage behavior, it is necessary to consider three principal factors : storage environment, storage duration and plant species which will affect seed survival under good genebanking conditions. the present review is an attempt to discuss the importance of the aforementioned aspects of seeds in detail in order to conserve plant germplasms ( especially wild rare and endangered plants ) for ex situ conservation through seed - gene bank
一個物種的滅絕是與其受生物因子和非生物因子的威脅程度相關的.隨著物種的加速絕滅,保護生物多樣性受到廣泛地關注.保護生物多樣性的最有效的生物技術之一是建立種子基因庫,進行遷地保護.種子庫理想的貯藏條件主要取決于種子含水量、貯藏環境(如溫度和濕度)和貯存種子的容器.進行種子貯藏,了解種子生命力和活力的影響因子的作用機理是十分重要和必要的.除了種子自身的生理特徵外,種子的貯藏壽命與種子成熟度、收獲技術、加工處理方法也是息息相關的.即使在最適的庫存條件下,種子也會隨時間發生劣變.因此,必須根據種子特定的貯藏行為,加以考慮影響種子存活的3個主要方面(貯藏環境、貯藏期和植物種類)而選擇有效的貯藏方案.本文試圖討論種子貯藏生理的幾個重要方面及其需解決的技術問題,以便更好地通過種子基因庫,長期有效地保存植物種質資源The application to qingjiang cascade hydropower plants shows that the proposed model can give the controlling rules for optimal dynamic flood storage and elevates the efficiency of reservoir system management and utilization of flood water
該模型應用於清江流域梯級水庫,計算結果表明,在不降低水庫及梯級原有的防洪標準前提下,能有效利用上游水布埡水庫的防洪庫容,分擔隔河巖水庫部分防洪任務,並顯著提高梯級水庫發電量。Thirdly, it is supported by java technology. java language is not only a right programming language to build agent, but also it has some characters such as architecture neutral and higher safety, running java applet, program can increase the functions of the client, lighten the burden on the server, as well as can operate the client contents according to the privilege assigned, and in order to increase the safety of system. finally, in the thesis, by using the knowledge related probability and statistics, author puts forward a kind of method which can make the grade mark quantifying, and with this method, the problem which is how to get an accurate evaluation for the subjective test questions that learners answer in exam, is solved primely
本文針對以上缺點,提出基於agent的個性化遠程教學系統,本系統中引入分散式人工智慧( dai )領域中的agent技術,在系統中構造一個學習者agent ,它隨時跟蹤學習者的學習過程,記錄其興趣、愛好等個性特徵,並適時地調整對其採用的教學策略,有效地解決了目前的系統智能性較低的缺點;其次,本系統採用xml技術來組織教學內容,改變了html中內容和形式捆綁在一起的缺點,使得內容和形式相分離,從而可以為太原理工大學碩士學位論文不同認知水平的學習者提供不同的教學內容,增強了交互功能;另外,本系統採用java技術, java語言不僅適合作為agent的開發語言,而且java語言具有平臺無關和安全性高的特點,通過運行javaapplet來增強客戶端的功能,減輕服務器端負擔,並且這些appiet根據客戶賦予的權限對客戶端內容進行操作,增加了安全性;最後,本文運用概率論與數理統計學中方法,提出一種把等級成績數量化的方法,很好地解決了對學習者考試中主觀題的準確評價問題,為實現個性化教學提供了一個較準確的依據。Qualitative analysis on the effect of flood control and engineering safety -, seizing lots of water conservancy effective adjust storage. then making water level risen and reservoir backwater enlarged in the same flow level ? effect on beach and the buildings across river, soil salinization caused by flow from a lower to a higher place and unsmooth groundwater drainage destroy of travel resource caused by disorder enclose tideland for cultivation in reservoir silt up flood plain are given, then presents enclose tideland for cultivation dyke is important cause which water level rise in reservoir
本文從青銅峽水庫泥沙淤積入手,分析水庫泥沙淤積特性和庫區圍墾堤開發利用淤積灘地的現狀,對防洪安全及工程安全的影響、侵佔大量的有效調蓄庫容、造成同級流量下水庫水位抬升水庫回水上延、對沿岸及過河建築構成影響、因水位抬升致使庫區周邊灌區地下水排水不暢乃至倒灌而造成土地鹽堿化、對水庫庫區大量淤積灘地無序圍墾造成旅遊資源破壞等五方面影響的定性分析,提出庫區圍墾堤是水庫水位抬升的重要原因。On the one hand, the sediment density current often does a great harm to the reservoir, and causes a big loss of reservoir ' s storage capacity or makes reservoir severe deposition ; on the other hand, sediment outflow by density current is an effective measure to mitigate sedimentation
異重流(本論文中主要指因含沙量的差異而形成的渾水異重流)一方面常常給水庫帶來嚴重的危害,加速水庫的淤積和庫容的損失;但另一方面它又為水庫排沙提供了一種極為有效的途徑? ?水庫異重流排沙。The character of the key accounts could be concluded as : to gain profit long term, have loyalty to the enterprise, play an important role strategically. on the basis of the analysis upwards, the goal of the kam of the hd copper company could be said that to gain the key account loyalty, to increase the rate that keep the key account in the company and to improve the benefit level. to achieve this goal, part 3 points out that the company should understand the change of the relationship, from the key account value factors ( price, quality, creation, reaction speed, etc ), create and improve the key account value
承接第一部分,本文第二部分深入分析了hd銅業公司大客戶管理的理論依據,首先,從企業增長與大客戶導向經營理念的關系、大客戶容量瓶頸和大客戶流失的負面累加效應闡述了hd銅業公司從戰略高度思考大客戶管理的重大戰略意義;其次,深入分析了企業大客戶的特徵:長期贏利能力強、對企業忠誠、具有重大戰略意義,並探討了大客戶細分和選擇的方法,在此基礎上,進一步分析了hd銅業公司的大客戶管理是對大客戶關系這項資產的有效管理,進而提出了hd銅業公司大客戶管理的目標是驅動大客戶忠誠,改善大客戶保持率並提高利潤水平。Researches the basis watermark managing works particularly and systemly. there are many works to do on watermak technology except watermark embedding and extraction arithmetics such as the watermark choosing, encoding, modulating, demodulating and the watermark capacity. these prior and ultimate works ensure that the arithmetic is brought into effect. just understanding these, this paper analyses and researches the basic watermark theoretics in many pages. it brings forward chaos modulation on watermark modulating, brings forward chaos permuting on image permuting, introduces bch encoding on letter watermark processing and discusses the approximate estimate of the watermark capacity in dct domain and dwt domain by applying the current communication theoretics. there works not only extend ways for the later work but also are significative on watermark research
全面系統地研究了水印信號的處理技術數字水印技術除了水印嵌入和提取的演算法外,還有許多工作需要做,如水印的選碼、編碼、調制、解調、能量的確定等等,這些預處理和后處理工作是演算法有效實施的必要保證,正是基於這樣的認識,本文利用較大的篇幅對水印的基本理論知識進行了詳細的分析和研究,在水印的調制方面,提出了混沌調製法;在圖像水印的置亂方面,提出了混沌置亂法;在文字水印的處理上,引入了bch編碼;在水印容量分析方面,結合現代通信理論,對圖像在dct域和小波域內的水印容量估算進行了詳細的探討,這些工作不僅為本文後期工作鋪平了道路,而且對數字水印的研究具有重要的意義。The redox of v ( ) / v ( ), v ( ) / v ( ) couple on the graphite displayed one electron quasi - reversibility. it is proved that trace in3 +, sb3 + can inhibit cathodic hydrogen evolution during the charge process by increasing the hydro - gen overvoltage in addition that sb3 + is a stabilizing / kinetic enhancing ion. during the charge / discharge process, cross - mix and self - discharge rarely happened. the maximal energy density of the lab - level vanadium battery is 21 wh / kg. the capacity efficiency of the lab - level vanadium battery is as high as 94. 7 %
釩電池充電末期,會發生水的電解反應,痕量銦離子的加入提高了析氫過電位,抑制了充電過程中負極氫氣的析出;銻離子的加入不僅可以抑制氫氣的析出,還提高了正極反應速率,增強了正極表面的穩定性。實驗中得到的最高質量比能量為21wh / kg ,充放電過程中僅有極少的交叉混合和自放電發生,自製釩電池的容量效率可高達94 . 7 %At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss
然後對現有的演算法進行了詳細的分析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體的方案,確定了準同步采樣的方案,並通過對準同步采樣誤差的分析,提出了一種從45開始采樣,從而提高精度的采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質量分析與統計以及無功補償中電容器的補償量、投切原則也作了相應分析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質量,而且有效的避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置的硬體電路並繪制了相應的軟體流程圖。This paper gave the following conclusions ? ational curriculum standards are necessary and important for keeping the quality and level of curriculums and instructions in national wide ; national curriculum standards should face the whole country and possess the quality for generalization, and meanwhile, it should allow the multiplicity and flexibility in order to have the certain function and practical significance ; national curriculum standards should have the core framework or the themes which has the quality for instruction and manipulation ; during the development of the standards, it is important to make cooperation with the government educational department, professional groups, teachers, etc. in order to improve the quality of the standards and their acceptance of the standards ; the implementation of national curriculum standards is an up - down transition and the effective interactions among all the stages are very important
本文認為國家課程標準對于在全國范圍內維持課程與教學的水平和質量是必要的和重要的;國家課程標準必須面向全國,具有可以普遍推廣或應用的性質或價值,同時又要允許多樣性與靈活性的存在,才能具有較為確定的作用和實踐意義;國家課程標準要有確定的核心框架或主題內容,要注意其指導性與可操作性;在國家課程標準研製中,要注意政府教育主管部門、專業團體、教師等的多方合作與協同努力,提高標準研製的質量與標準的認同程度;國家課程標準的應用過程,有一個自上而下的轉換過程,因此,各層面的工作的有效轉化與互動相當重要。分享友人