水流分選 的英文怎麼說
中文拼音 [shuǐliúfēnxuǎn]
水流分選
英文
separation in streaming current- 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...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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
- 選 : Ⅰ動詞1. (挑選) select; choose; pick 2. (選舉) elect Ⅱ名詞(挑選出來編在一起的作品) selections; anthology
- 水流 : 1. (江河) rivers; streams; waters2. (流動的水) current; water flow; fluent; flow; [水文] stream current
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This thesis tries to solve the problems in the design and construction of jinping cascade 2 hydropower station. a typical section is selected to analysis seepage, seepage control and fem numerical simulation. the influence of different plans of excavation and support on seepage field of subsurface water and stability of adjoining rock are studied. the homologous support pattern is suggested according to the research results
本文就錦屏二級水電站(一期)深埋長隧洞的設計和施工中面臨的一些問題,選取隧洞的一個典型斷面進行滲流、滲控分析和開挖及支護的有限元數值模擬,從而就深埋隧洞不同的開挖及支護方式對地下水滲流場及圍巖穩定性的影響和所應採取的支護措施等方面進行了探索、研究。The afterheat, which is collected by recovery devices, in winter can be used as the low level thermal source of heat pump, and in summer can preheat feed water, thus equivalent an economizer. because energy flows in the system so reasonably that energy is used to the most, therefore, its energy conservation effect is significant, and the operating expenditure declines consequently. the sewage can be reused after due treatment, thua it has a certain social and ecological benefit, too
本研究中選用分離式熱管裝置提供洗浴用水,利用水源熱泵裝置,一機兩用,進行空間供熱和製冷,並通過余熱回收器對系統內的余熱進行回收,冬季可作為水源熱泵的低位熱源,夏季可對鍋爐給水進行預熱,起到「省煤器」的作用。這樣實現系統內的能量合理流動,從而達到節能的目的,同時洗浴污水經適當的處理后可以回用,因而還具有一定的社會和生態效益。On the basis of collecting and arranging a large amount of projects experience, conbined with construction diversion flood passing measures design and hydraulic model test of lihua hydraulic pawer station in 1995 and 1996, the dissertation studies the issues related with characteristics of concrete face rockfill dam including the selection of construction diversion flood passing standard and measures, flood passing during construction period and embankment stage, coffer dam design, construction scheme and general schedule etc. and present preference for project construction
本文在搜集整理大量工程經驗的基礎上,結合蓮花水電站在1995年及1996年導流渡汛工程措施設計及水工模型試驗,對混凝土面板堆石壩的導流渡汛標準、導流方式及其選擇、施工期渡汛及壩體填築分期、圍堰設計以及施工方案及總進度等與混凝土面板堆石壩特點有關的問題進行研究,為工程建設提供一定的參考。After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc
研究結果認為:發展種子產業應該把著眼點放在促進種子整體產品的開發上;種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建,而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足;廣西種子企業綜合競爭力總體處于較弱水平;面對wto ,廣西種子產業仍有諸多的不適應,突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面,而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境,企業創造財富」的正確理念正是導致目前廣西種子產業不能適應入世需要的深層次原因;因此,以提升種子整體產品開發能力為核心,不斷深化改革,調整種業體系中不相協調的各有關因素,構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系,是wto框架下加快廣西種子產業發展必須堅持的指導思想;其中,加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等,都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。This paper use the ncep / ncar day - to - day reanalysis data of 500hpa high field and so on, choose ural mountain, baikal, okhotsk as the key district, the mid - high latitude of eurasia circulation courses that have long duration ( scale of time is middle, namely during 10 - 30 day ), maybe continue continuously after being intermittence of 1 - 2 days in middle, appear repeatedly is for research object, define an index " i " of the circulation pattern over mid - high latitude of eurasia. a method is proposed to identify the summer typical persistent circulation pattern at 500hpa levels over eurasia mid - high latitude. the climate characteristics of those typical persistent circulation patterns are studied
本文利用ncep / ncar再分析逐日500hpa高度場等資料,選擇烏拉爾山、貝加爾湖、鄂霍次克海這三個地方作為關鍵區,以夏季歐亞中高緯度持續時間長(時間尺度屬于中間時間尺度,即10 ? 30天之間) 、中間可能會間歇1 、 2天然後又繼續持續、反復出現的環流過程為研究對象,定義了一個夏季歐亞中高緯流型指數,在此基礎上提出了一種對夏季歐亞中高緯500hpa典型持續流型的界定方法,研究了典型持續流型的氣候特徵,分析了流型指數的年代際變化,以及對應不同階段、不同流型的降水場、加熱場、海溫場等的主要特徵。The flow dynamic axis in the distorted models is smoother than that in the undistorted model, while the flow horizontal gradient in the distortion model is smaller than that in the undistorted model
在河工模型的條件下,選取不同變態模型,對環流進行了計算,研究了變率對彎道水流的相似的影響,並給出了初步分析。The paper analyzes the non - lineal relations of the quantity of heat exchange and water flux of coil exchanger in part - load operating condition, the shortage of deciding the water flux in bypass pipe, the disadvantage that the operating condition of pumps and chiller ca n ' t be met with the load change of the air conditioning system in different operating condition of using pressure - difference bypassing control in primary water pump system. using load control method in the change of the operating condition of primary water pump system can realize that the load change is small and reasonable in the on / off condition of pumps and m m chiller by comparing load control method in primary variable - flow water pump system with pressure - difference bypassing control method, back water temperature control method
本論文從目前空調工程中使用的變流量水系統入手,研究了盤管換熱器在部分負荷下水流量與換熱量的非線性關系,分析了文獻中介紹的旁通管通流能力選擇的不足之處和一次泵水系統採用壓差旁通控制時,工況轉換不能滿足系統控制要求的缺陷;比較了一次泵變流量水系統中壓差旁通控製法、回水溫度控製法、負荷控製法的精確性,並得出了在一次泵水系統的工況轉換時,採用負荷控製法能使冷水機組及其相應水泵在啟停時的負荷變化范圍較小,更符合建築物的冷量需求,節能效果較好的結論。The activity area of sediment and solution in gooey is distributary river, which has gigantic water power, good degree of sorting and roundness, gruff grain. lower mud and mica content
分流河道的主體部位水動力較強,分選性和磨圓度較好,粒度粗,雲母礦物和泥質含量較低,是膠結物沉澱和溶解的活躍區,因而也是物性相對較好的地方。Analyses the key issues in selecting air - cooled water chillers, adopting fan coil unit and diffuser to supply air and designing of smoke extract fans
摘要分析了風冷冷水機組選型、用風機盤管接散流器送風、排煙風機控制設計應注意的問題。Xh rubber slowly - closing cut - off vavle is a new water supply and drainage vavle with full rubber structure, duck - mouthed appearance and functions or positive flow - in and reserve cut - off. according to thrust analysis and calculation as well as different operation mechanism and different rubber products by special processing. all will be open at weak hydraulic pressure is higher, the vavle gate will open more greatly and the water flow is greater. at reserve operation, the vavle gate closes naturally and seals tightly cut - off vavle ; the back pressure is higher, the vavle gate closes more tightly and the seal effect is better. it is used widely in various drainage exit to prevent from pouring backwards and flowing backwards in city planning, water conservancy and sewage disposal etc. it is the ideal productto replace flap vavle
Xf型橡膠緩閉逆止閥是一種全橡膠結構外形呈「鴨嘴狀」 ,具有「正向流入反向逆止」功能的新型給排水閥門產品。它根據受力分析和受力計算,針對不同的工況,採用不同的設計機理,選用不同的橡膠配方,並按特殊工藝製作而成。正向工作時,水由進水口流入,微小的水壓,便能打開閥門,水壓越大,閥門開啟越大,水流量越大。Then the paper uses the same typical four network operating conditions as the primary given conditions and when adding one set of the parallel capacitor bank, changing the 330 / 220kv transformer tap changer position step by step to change the transformer ration, through this study methods this paper found out all the optimized combination of the tap changer position and the amount of input reactive power, also obtained four sets of the 330kv, 220kv and hokv s / s bus voltage and the active and reactive power losses changing curves. through analyzing the optimized combination control curve and the network power flow, the paper generalizes the rules as following : the chief measure of coordinative control is inputting shunt reactor in chengxian s / s in winter time both in the planning year of 2010 & 2005 ; in summer time in planning year of 2010 the chief measure is to input proper shunt capacitor
本研究通過分析所獲得的最優綜合控制組合曲線及電網潮流,總結出了如下規則:隴南電網在2005年及2010年冬大、以及2005年夏小運行方式下,綜合控制應以成縣變投入適量並聯補償電抗器作為主要措施;在2010年夏小運行方式下則投入適量並聯補償電容器作為主要措施,再輔助以選擇合適的主變有載調壓分接頭來調節,達到控制網內無功潮流分佈合理、各變電站母線電壓在理想的范圍內時電網有功損耗最小,從而也提高了電網安全運行水平及供電質量。Owing to lack of auotmatic separation of led in our country, we borrow ideas from other countries and design a suit of equipment of automatic dection and separation of led. the equipment consists of several parts : led transportation setup ( disc libration setup, line libration setup ), equidistant receving setup, detecting system and automatic separation of led. the equipment achieve automatic separation of led and pipelining. the research lay stress on machanical structural design and order action control which achieve automation separation by using pc and plc
可完成led波長和亮度的在線檢測、自動處理和自動分選,實現了led在線分譜檢測與自動分選的流水線作業。自動分選的機械結構設計、動作實現設計和順序動作控制是本論文的重點。自動分選的實現是通過pc與plc的結合完成對plc的順序控制。We fully protect the safety of clients intellectual property and materials. with our iso14001 international certification, and rich, professional recycling experience, our trained staff recycles the waste and provides service up to by clients requirements
2000年成立設在南京溧水經濟開發區的富勤環保南京物流中心,為周邊地區的客戶提供物料預處理倉儲分選和運輸服務。On account of working characteristics of preceding separation such as many devices, long processing line and pipelining etc., auto - in - order control of msw processing line was realized with micro - programmable controller at human machine concurrent mode
為實現垃圾前分選處理工廠化和盡可能的自動化,針對前分選的設備較多,工藝路線很長,流水線式的工作特點,以人機協同方式,採用可編程式控制制器實現對整個生產線的自動按序控制。According to the selected project, a stability test with scale of 1 : 35 of cushion bottom had been done. with the research results of the experiments and the flow shape of xiao wan hydraulic power station were thought about, on the other hand, the ternary complex jet shape of baishan water cushion was analyzed, all this gave a base for the analysis of the force of the cushion bottom. through observation, the dynamic water pressure, the fluctuation pressure, the time - homogeneous pressure on the surface of the bottom and the characteristics of the fluctuation pressure could be got, also the calculation method and the test results were compared to get the argument
針對選定的方案,進一步做了1 : 35比尺的水墊塘底板穩定性試驗;通過試驗及借鑒小灣水墊塘內水流流態的研究成果,分析白山水墊塘內三元復雜淹沒射流流態,為水墊塘內底板受力分析打下基礎;通過觀測得到水墊塘底板動水沖擊壓力、脈動壓力、底板上下表面的時均壓力及脈動壓力特性,並通過計算方法與試驗成果進行相互比較論證。In the first part of paper, we introduce the appliance of doppler weather radar in meteorological work in the near future, and simply enumerate all kinds of adjoint methods to retrieve data of radar. in the second part of paper, we choice some methods that are usually used domestically and overseas, compare excellence and flaw of the methods by using data of simulate wind field, analyze synthetically the precision of simulate result, the length of retrieval time and the structure of data distributing, lastly decide to regard ameliorated quasi - 4d adjoint method as retrieval technology in the paper. in the third part of paper, we retrieve the data of single doppler weather radar in hefei, anhui province, then calculate 3d wind field, streamline field, divergence, vorticity, helicity, moisture flux, divergence of moisture flux and potential vorticity from the result of retrieval
文中第一部分對近年來多普勒天氣雷達在氣象工作中的應用作了介紹,同時簡單的羅列了反演雷達資料的各種變分方法;接下來在第二部分選取了幾種國內外常用的反演方法,利用模擬的風場資料比較各種方法的優缺點,從模擬結果的精度、反演時間的長短、資料的分佈結構上綜合分析,最後決定將已做改進的準四維變分分析方法作為本文的反演工具;第三部分就是反演安徽合肥多普勒天氣雷達資料,然後由反演得出的風場計算了各個時間各個層次的三維風速、流場、散度、渦度、螺旋度、水汽通量、水汽通量散度和位渦。Comparison between the numerical results and the measured data shows that it is adequate for the standard k ~ e turbulence model to simulate the complicated flow pattern with the existence of separation and circulation zones
實測流速資料和數值模擬結果表明,所選用的紊流數學模型可很好的模擬出由於丁壩阻隔水流所產生的分離、迴流等流動現象。Hydraulic structures, velometers, weirs, and flumes are used to gauge water in many irrigation districts. the fundamental principles and suitable conditions of these water metering methods are introduced in this paper. the main problems in the development of water metering instruments and facilities as well as main causes of difficulty in popularization of the methods in irrigation districts are analysed. it is suggested that selection and construction of water metering facilities should be combined with canal lining in irrigation districts. it is also pointed out that for realization of automation of water metering it is necessary to develop and popularize portable and stationary water metering instruments step by step based on economic development levels in irrigation districts
介紹利用水工建築物、流速儀、堰、槽進行量水的基本原理及各自適用條件.從量水儀器、設施的性能、價格及灌區經濟發展水平等方面,分析目前在灌區量水儀器、設施的開發研製方面存在的主要問題,以及灌區量水難以普及的主要原因.提出應結合灌區渠道防滲工程建設,合理選擇和建設量水設施,並根據灌區經濟發展水平,分步驟研製和推廣便攜式或固定式量水儀器,最終實現灌區量水自動化的灌區量水實施方案Taking the haiyang lakes as an example, water diversion project was optimized, and the changes of water dynamics and water quality after implementation of the water diversion project were predicted and analyzed
以漢陽湖群為例,對湖群調水的方案進行了優選,並預測分析了引江灌湖工程實施后漢陽湖群的水流水質變化。In addition, this paper selects the water traveling wave model of the surface irrigation, and realizes the modeling of the water movement, according to the water movement characteristics of surface irrigation. furthermore, the optimization model for irrigation effects is used to produce the calculation pattern in which the water movement model is combined with optimization of technical parameters of irrigation. therefore, it is realized that the optimum unit discharge is calc ulated under the condition of definite length and slope of border check and the optimum length of border check is calculated under the condition of definite unit discharge and slope
與此同時,在分析項目區耕作條件下灌溉水流運動特點的基礎上,選擇地面灌溉水流運動波模型,實現了地面灌溉水流運動的數值模擬,並利用灌溉效果優化模型,構造了地面灌溉水流運動模擬與灌水技術參數優化相結合的計算模式,實現了定畦長、定坡降條件下的優化單寬流量求解和定單寬流量、定坡降條件下優化畦長的求解,為變灌水條件下優化灌水技術參數的確定提供了強有力的工具。分享友人