optimum water 中文意思是什麼

Taking the brown alumina powder and french chalk as the refractory, the silicasol and dextrin as the composite binder, the western bentonite and sodium carboxymethyl cellulose ( cmc ) as the composite suspension agent, the optimum mixing ratio of the water - based coating was established by the method of orthogonal experiments

摘要選用棕剛玉粉及滑石粉為耐火填料，以硅溶膠及糊精為復合粘結劑，以鈉基膨潤土和羧甲基纖維素鈉（ cmc ）為復合懸浮劑，通過正交試驗方法確定了最佳配方。

By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

本文結合常州新閘防洪控制工程水工模型試驗，系統分析了浮箱門在靜水和動水中的穩定性及其影響因素，指出靜水穩性和動水穩性的不同特點；試驗測定了浮箱門動水運行時的受力情況，給出並分析了定位過程轉動力的變化過程曲線；根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系，選擇合理的動力設備，為設計和工程實踐提供可靠依據；分析浮箱門難以穩定上浮的原因，並給出解決方案。

Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

基於以上考慮，論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討：全面回顧了「可持續發展」概念的由來與演變，對國內外「可持續發展」的研究現狀進行了述評，並對「可持續發展」概念的科學內涵進行了深入探討；對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述，對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解；全面闡述了地下水資源變值系統理論的內容和意義，並與傳統的地下水資源計算評價方法進行了對比分析，結合實例具體說明了方法的應用；深入分析了地下水資源預測預報工作的極端重要性和復雜性，對傳統的地下水資源動態預測方法進行了全面的評述，指出了各類預測預報方法的特點及適用條件，對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍，以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹，並應用於地下水動態過程線的分析，採用時間序列中的b ? j法，蒙特卡羅方法，與地下水資源變值系統理論相結合，探討了地下水動態資料分析和地下水資源預測預報的新思路；綜合分析了現今各類地下水管理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、更實用；對保證地下水資源可持續開發的內部條件和外部條件進行了分析，內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀，科學的資源計算與評價方法，可靠的資源預測預報技術，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。

This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application

針對目前對緩釋肥料釋放特性的研究集中在化工製作領域這一現狀，採用不同的測定方法，闡明含硫尿素中的養分氮在水及土壤中的轉化特點，確定養分的釋放速率，以求找出適合農業生產應用的方法。

Determination of optimum flocculation conditions in high turbid water containing sand

含沙高濁水最佳絮凝條件的確定

As backwash is the key of renewing and keeping up the function of filter, so some factor optimization experiments of backwash have been done. the optimum operating parameters of air scour and water backwash of ceramics media are chosen by multiple factors experiments : qa = 15 l / s ? m2, qw = 5 l / s ? m2, t1 = 1min, t2 = 5min, t3 = 5min

經多組實驗正交分析結果后得出了塗鐵陶粒濾池反沖洗實驗的最佳參數組合：氣沖強度15l / s ? m2 ，水洗強度5l / s ? m2 ，單氣預沖1min ，氣水同時反沖洗5min ，單水漂洗5min 。

The litter - resistance slowly closing butterfly check valve is developed a newest product based on our butterfly check valve, hydra - matic transmission to be add in the valve with unique design, new stuction and optimum performance, can be used pipeline of water supply and dring with such media : fresh water, sea water, sewage, raw water, ect. the valve should be installed at outlet of the water pump, in stapping the pump, the process of slowly closing after valve plate shuts rapidly. can be guard effectively against the destruction water hummer, so to ensure the safe operation of the pipline

微阻緩閉蝶式止回閥是在我廠生產的蝶式雙瓣止回閥的基礎上利用能量轉換原理增設油壓緩閉裝置的新型模式止回閥，設計獨特，結構新穎，性能優宜，適用於凈水，源水，污水，海水等介質的供、排水管路中，安裝於水泵出口端，停泵時由於油壓阻尼作用法盤先速閉后緩閉，以消除破壞性水錘，保證灌路安全運行。

According to the water supply source used the mining area in bai yun, based on the mechanism of coagulation and flocculation, the feasibility of removing fluoride from water with the method of coagulation and filtration is studied through experiment. and several key parameters which affect defluorination are also analyzed. by using polyaluminum chloride ( pac ) as coagulant, the optimum ranges of the operational parameters are obtained

本文根據白雲鄂博礦區飲用水的供水水源，以混凝機理為基礎，通過靜態和動態實驗，對用混凝過濾法除氟的可行性進行了研究，並對影響除氟因素的幾個主要參數進行實驗分析，得出了用堿式氯化鋁作為混凝劑進行實際運行時，參數最佳取值范圍。

Form the point view of condenser and cooling tower as a whole, the paper studies the model of condenser performance monitoring, which includes the monitoring model of tube wall cleanness factor, the calculation model of condenser pressure target value and the optimum model of circulating water system

本文從凝汽器和冷卻塔的整體角度研究了凝汽器的性能監測模型，主要包括：凝汽器水側管壁清潔系數的監測模型、凝汽器壓力應達值的計算模型和循環水系統的優化模型。

Study of index system and fuzzy optimum model on schemes of dynamic flood control limited water level of a reservoir

汛限水位動態控制方案優選方法及指標體系研究

According to the regulation of degressive effusion flux of uf during the period time of alga - blooming, this paper also favors the optimum function parameter of uf. when the water temperature is 30, the optimum tmp is 0. 07mpa, the optimum hydraulic re - wash period is 40min, the optimum chemical wash period is 330min ; when the water temperature is 20, the optimum tmp is 0. 07mpa, the optimum hydraulic re - wash period is 60min, the optimum chemical wash period is 960min

並且根據高藻期超濾處理沉澱池出水通量下降的規律，提出了超濾運行的最佳工藝參數，即水溫30時初始透膜壓力，水力反沖洗周期，化學清洗周期分別取0 . 07mpa ， 40min ， 330min ;水溫20時以上數值分別為0 . 07mpa ， 60min ， 960min 。

On the foundation of the analysis of the water resources actuality in shengli oil - field water resources, the paper points at the study of the characteristics of the shengli oil - field water resources and use the water development trend with the equilibrium condition in supply and demand, and the analysis of engineering scale, measure and engineering optimum

本文在分析勝利油田水資源開發利用現狀的基礎上，重點研究了勝利油田用水發展趨勢和供需平衡狀況，分析論證了工程規模、措施以及工程優化等問題。

Aiming at the present low efficiency of well irrigation works and through pumping tests and theoretical analysis, the paper derives a method for calculating the optimum water yield, the best lifting distance and economic pipe diameter of low pressure pipe delivery system of irrigated area by wells, increasing the efficiency of motor - pumped wells

針對目前井灌工程效率低下的問題，通過抽水試驗，經過理論分析，推導出了井灌低壓管道輸水灌溉系統的最優出水量、最佳揚程和經濟管徑計算方法，從而可提高機井灌溉效率。

Water steam was used as oxidant, and the optimum water steam partial pressure is between 1 10 - 4 and 5. 5 10 - 4 pa. under the optimum growth parameters, a ceo _ 2 seed layer with highly textured degree was successfully prepared. beside the one step process was experimented in this dissertation, the two step process was proposed and studied to further improve the quality of ceo _ 2 seed layer. in the two step process, about 15 nm thick of ce metal layer was deposited on metallic substrate at the first step, then water steam was introduced in the chamber, and the ceo _ 2 thin films were subsequently deposited with reactive sputtering in the

總結出沉積ceo _ 2薄膜的優化工藝條件，當沉積溫度為720 - 850 、水蒸汽分壓介於1 10 - 4 - 5 . 5 10 - 4pa之間、退火時間40min時，獲得了織構程度良好的ceo _ 2種子層薄膜; 3 .由於一步法制備ceo _ 2種子層中水分壓范圍狹窄，工藝條件難以控制，並且退火延長了薄膜的制備時間，因此，本論文又採用了兩步生長法沉積ceo _ 2種子層，即:先在ni - w基帶上沉積一層約15nm的金屬ce薄膜，再通入氧化氣氛（水蒸汽） ，繼續進行薄膜沉積。

Effect of water content on cell viability at an average dehydration rate of 0. 9 % water content / h, water contents in beads had more effects on cell viability after dehydration than after thawing. different algae have various optimum water contents

結果表明： （ 1 ）含水量對藻細胞存活率的影響以0 . 9 %含水量/ h的脫水速率脫水，膠球含水量對脫水過程的存活率影響不大，但對冰凍保存的存活率影響很大。

High - quality stainless steel scale filter for optimum water quality

高級不銹鋼過濾網，有助保持水質純凈

Effect of dehydration procedure beads of pavlova viridis were desiccated with four different procedures. two dehydration rates were used, which are 0. 9 % water content / h ( slow ) and 10 % water content / h ( rapid ). resul - ts showed that slow dehydration is the best. a dehydration combination of rapid dehydration to 70 % water content, followed by slow dehydration to the optimum water content is a better procedure. rapid dehydration is the worst

（ 3 ）脫水程序的影響以綠色巴夫藻為研究對象，選擇0 . 9 %含水量/ h （慢）和10 %含水量/ h （快）兩種脫水速度，分兩步脫水，先脫水至70 %含水量再脫水至最佳含水量。結果慢-慢程序脫水，存活率最高；快-慢程序其次；快-快程序最低。

Optimum water pricing is the key point. in this paper, the structure of water value and water price, the characteristics of water resource, and how they affect water pricing have been discussed. the paper ' s chapter 1 is introduction

本論文主要探討了水資源商品的價值和價格構成，水資源商品不同於一般商品的特性對水資源商品價格的形成所產生的影響，以及能夠體現水資源價值的水價計算方法。

On determination of optimum water content of lime - treated expansive soil

石灰改性膨脹土施工最佳含水率確定方法探討

Optimum water strategy could solve the conflict between high yield and environmental protection

因此在合理灌溉的基礎上進行氮素推薦，可有效地解決蔬菜生產中產量與環境之間的矛盾。