main canal 中文意思是什麼
main canal
解釋
乾渠-
Based on the construction of the testing section for the lining of jiping main canal in shandong province of south - to - north water transfer project, the main causes of the cracking from the mechanized lining concrete slabs are analyzed from the aspects of foundation treatment, bedding layer placement, quality of the raw materials for the concrete, placement of the concrete, cutting of the hardened concrete and the curing of the concrete, and then the relevant prevention and control measures are pertinently put forward
摘要結合山東省南水北調濟平乾渠工程襯砌試驗段施工情況，著重從地基處理、墊層料鋪設、混凝土原材料質量、混凝土澆築、成型混凝土割縫及養護幾個方面分析了機械化襯砌混凝土板裂縫產生的主要原因，並針對性地提出了預防及控制措施。 -
The test obsvervation include air temperature, ground temperature, foundation moisture, freeze depth, freeze capicity, freeze residual capicity, groundwater table and shape transform of canal lining, etc. throught systemic observation, analysis of impact about each factor on fundation freeze capicity, evaluate effect on anti freeze of various canal lining, comparison on technology and ecnomic of different method, a kind of main canal lining format is been recommended to engineering practice with siutable to ningxia local feature, fufilling the need of main canal safey i application, economic and practical, that is using polystyrene plate laying under concrete slate and grit taking replace of filling layer and optimizing design
試驗觀測內容包括氣溫、地溫、基土含水量、凍深、凍脹量、凍脹剩餘量、地下水位和砌體外觀變化等項目。通過系統的觀測，分析各因素對基土凍脹量的影響，評價各種襯砌型式的防凍西安理工大學工程碩士專業學位論文脹效果，並進行技術和經濟綜合分析比較，推薦出了適合我區特點、滿足乾渠安全運行、經濟實用、防凍脹效果好的乾渠防滲襯砌型式，即混凝土板下鋪設聚苯乙烯板和砂礫石換填層結構型式，加以優化設計，用於工程實踐。 -
Through the geological survey of no. 1 main - canal project of zhangfeng reservoir, this paper analyzes and evaluates on the landform and geomorphy, physi - geologic phenomena, stratigrasphic - lithologic characteristics, hydro - geologic conditions and geologic structure of the main canal, and the geological conditions of the earthquake zone and the project zone
通過對張峰水庫一干工程的地質勘測，對乾渠的地形地貌、物理地質現象、地層巖性、水文地質、地質構造及地震和工程區地質條件進行了分析與評價。 -
In this paper, we study the most serious damming section of the east - one main canal, which is from the entrance of the hao wan flume ( chainage12 + 123. 6 ) to the exit of shang tian yuan tunnel ( chainage24 + 091. 1 ). the main content is analyzing the flow characteristic of the canal, setting up mathematical model of the discharge condition of the east - one main canal, according to the survey section and actual roughness factors, building, bend and so on, we divided the canal into more than loocaculation segments. each segment is calculated by microsoft excel electrical table through computer as permanent transition flow of non - prismatic channel
本論文研究的渠段為陸渾灌區東一乾渠壅水最為嚴重的渠段，從郝灣渡槽進口（樁號12 + 123 . 6 ）至上天院隧洞出口（樁號24 + 091 . 1 ） ，其主要內容是，分析渠道水流特徵，建立東一乾渠輸水狀況的數學模型，根據測量斷面及實際糙率、建築物、彎道等因素的不同，將渠道劃分成120多個計算段，每段按非稜柱體恆定漸變流，運用microsoftexcel電子表格進行編程計算。 -
Through the studies of this paper, we effectively resolve these problems which are badly in need of settlement. this will make the east - one main canal make a due social and economic benefit and make great movement for agricultural development of the local area
通過本論文的研究，將有效的解決上述迫切需要解決的問題，使東一乾渠灌區發揮其應有的社會及經濟效益，這無疑對本地區的工農業發展起到巨大推動作用。 -
The research shows that tp is the main pollutant of the rivers, and the crucial rivers contributing to the eutrophication of the lake are zhihu port, taige canal, caoqiao river, taigenan canal and dapu port
研究還表明，總磷污染最為嚴重，對太湖（太湖的西-西北-北部分）水體富營養化影響最大的入湖河道有直湖港、太鬲運河、漕橋河、太鬲南運河和大浦港。 -
The prestressed drainage aqueduct of through open - web truss arch structure is widely applied to cross the main canal of the mrp. it is important and significative to study the aqueduct ' s structure design and reliability thoroughly
預應力下承式空腹桁架拱渡槽在總乾渠排水建築物中被廣泛採用，其結構設計和安全可靠性是一個非常重要且值得深入研究的問題。 -
A study of piecewise water distribution of the south main canal taking off from a reservoir in qu - jing irrigated area
曲靖灌區某水庫南干灌分段配水研究 -
For example, when the design flow of upward of the peace bridge of upward of the east - one main canal is 45m3 / s, the actual flow quantity is 23. 8m3 / s on the 30th of september in 1989, the water level of the transition region terminal of the mouth of hao wan flume of the east - one main canal had gained the design level of 4. 3m, and the level between downstream and shang tian yuan tunnel was generally higher. it says that the actual discharge capacity now is only about 24m3 / s which is half of the design value. this not only make the benefit of the irrigation district abnormal, but also greatly hinder the economic development of the irrigation district, and lead to the canal run frequently at small flow, high water level, lengthen the discharge duration
如東一乾渠上段太平橋以上設計流量45m ~ 3 s ， 1989年9月30日實測通水流量23 . 8m ~ 3 s時，東一乾渠郝灣渡槽出口漸變段末端水位已達到設計水位4 . 3m ，其下游至上天院隧洞水位也普遍偏高，即東一乾渠上段目前僅能通過流量24m ~ 3 s左右，只有設計值的50左右，不僅使灌區效益得不到正常發揮，嚴重阻礙了灌區范圍內的經濟發展，而且使渠道經常處于小流量、高水位運行，延長了次通水時間，大大增加了渠道工程的安全管理難度。 -
Which is situated in the western of he nan and is drought year in year out and it is a multiple - purpose water supply development with agricultural irrigation, municipal water supply and rural water of men and domestic animals. the irrigation district was designed by he nan water survey designing institute in 1967, and began to be built in 1970. the aggregate main canal and the east - two main canal were built up and began to irrigate partially in 1974. up of the dong song part of the main canal had been built in 1980, and the first periodical project was completed in 1991. one part of the west main canal was built afterward
河南省陸渾灌區是河南省百萬畝以上大型灌區之一，地處十年九旱的河南省西部，是一集農業灌溉，城市供水，農村人蓄吃水為一體的多目標供水工程，灌區於1967年由河南省水利勘測設計院開始勘測規劃設計， 1970年開工建設， 1974年建成總乾渠、東二乾渠，並通水局部施灌， 1980年完成東一乾渠東宋以上渠段， 1991年第一期工程竣工驗收，以後又修建了西乾渠部分工程。 -
The results of correlation comprehensive array analysis indicated that the water seepage from canal systems was the main cause resulting in the uprising of underground water table and the increase of soil salinity in qyrid
同時通過關聯度綜合排序分析，確定出渠系滲漏是造成灌區地下水位高、土壤鹽漬化的主要原因。 -
The old city culture protection area carries forward the excellent canal old culture and promotes the development of culture art industry with the main project of the protection and rehabilitation project of xihaizi park, sanjiao temple, tongji bridge, and zhangjiawan old town etc. historic sites
古城文化保護區是以西海子公園、三教廟、通濟橋、張家灣古鎮等古跡的保護和修復工程為主，弘揚優秀的運河古文化，推動文化藝術產業的發展。 -
The center of the city is 43. 71 meters above the sea level. main rivers include the yongding river, the chaobai river and the north canal
西北東三面環山，山地約佔全市面積的三分之二主要河流有永定河潮白河北運河等。 -
During 1970s - 1980s, irrigation management department launched canal lining for main canal. irrigation management department initiated large scale canal lining project because of great government finacial investment on water saving project resconstruction since 1995
自七十至八十年代，開始對乾渠進行防滲襯砌，進入九十年代特別是1995年以後，國家加大了節水改造的投入，灌區開始了較大規模的渠道襯砌工程。 -
Supersonic and enchanted the graph still can show main force of left, right coronary artery directly, left before fall, near side of zun xuanwen is carried, do not have local stricture in order to hint antrum of coronary artery canal has, tube wall has without add thick, calcify
超聲心動圖還可直接顯示左、右冠狀動脈主幹，左前降支，左旋文的近側端，以提示冠狀動脈管腔有無局部狹窄，管壁有無增厚、鈣化。 -
Water delivery has been run over 30 years. the main canal has the problem that the actual conveying capacity is very low now and the conveying capacity of the east - one main canal i only half of the design value, this lead to guaranteed real - time efficiency of the irrigation of the farmland recede greatly. the downstream has no water and crops were drought to death have been seen more times in the irrigation period, this lead to the contradictory between the upstream and downstream on water usage, moreover, the lower discharge capacity of the dry canal in irrigation period is the main cause of the actual irrigated area is only half of the design value
經過三十年的輸水運行，目前乾渠工程存在嚴重的輸水能力低問題，其中東一乾渠輸水能力只能達到原設計的1 2 ，使農田的適時灌溉保證率大大降低，多次發生灌溉期下游見不到水而旱死莊稼的情況，造成上下游用水矛盾突出，而且灌溉期乾渠過流能力偏小，是導致實際灌溉面積僅為設計值的1 3的重要原因。 -
The article introduces the design and construction of soil - cement key governing in main canal landslide
摘要文章介紹水泥土鍵在乾渠滑坡治理中的設計和施工技術。 -
Monitoring topography changes in shaoming coalfield ' s empty area in main canal of hebei of south - to - north water transfer
總乾渠擬通過邵明煤田采空區地形變監測研究初探 -
The aforementioned problems have n ' t been solved now as the greatest unsolved problems of the east - one main canal after it was completed
上述問題作為東一乾渠竣工使用后的最大遺留問題一直沒有得到解決。 -
But some difficult problems occurred, in construction due to shortage of system experiment on anti freeze of main canal lining project, it is very essential to carry out related experiment research for providing instruction of engineering practice and theory surppot of anti freeze of main canal lining project
但由於缺乏對乾渠襯砌工程防凍脹的系統研究，在工程建設中出現了一些難點。為了指導工程實踐，為灌區乾渠防凍脹提供理論支撐，為進一步優化工程設計方案提供幫助，結合工程建設，進行防凍脹試驗研究。
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