low water level 中文意思是什麼
low water level
解釋
低潮面-
At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先，系統分析了影響黃河水位的水沙因素，及僅用水沙因素有效研究水位的可行性，並按變量對應思想採集它們的相應數據；其次，由於相應水位過程數據中含極強的非線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，提出了能有效實現這類數據高精度擬合的分層篩選法，並改進了統計學中多因子（三個以上）方差分析法；再次，將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合，實現了這一典型非線性關系的高精度擬合，各年汛期上下游相應洪水位過程的擬合誤差都較小；最後，明確黃河下游含沙量對水位的主要影響方式，即含沙量主要是與其它因素聯合對水位作用；另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。 -
The results show that : the seeds of victoria amazonica are not suitable for dry store ; with the high temperature of 30 - 35, the germination percentage of the seeds which have fully matured will reach 68 % to 85. 7 %, seed soaking by ga3 contributes greatly to the improvement of the germination percentage, during the period of growing seedlings, the low water level is helpful to the sprouting of seeds
結果表明：王蓮種子不宜乾燥貯藏； 30 ~ 35高溫配合充分成熟的種子，發芽率可達68 % ~ 85 . 7 % ；赤霉素浸種對提高種子發芽率有顯著的促進作用；育苗期間的低水位有利種子萌發成苗。 -
With development of the economy, groundwater in the jinan springs zone was exploited increasingly, and water level was so low that springs ca n ' t spurted any longer, even not at all in whole year. how to restore the scenery of springs spurting has been hotspot issue and aim for governments and scholars
聞名中外的濟南市趵突泉、黑虎泉等著名泉群自1970年後出現斷流后，繼而發展到全年斷流，恢復濟南泉涌名勝景觀，成為各級政府和學者共同關心的熱點課題。 -
Francis turbine is applicable for the middle and low water level power station, both have vertical and horizontal structure, and commonly designed in the scroll
混流式水輪機用於中、低水頭電站，有臥式、立式兩種，一般採用金屬蝸殼。 -
It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.
該水域的水力學條件發生變化，水流速度減緩，岸邊污染帶加寬，水體的環境容量降低；三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故排放；成庫期內庫區城鎮污水的治理很難達到水質要求，以及三峽庫區目前較低的經濟和城鎮化水平制約，庫區城鎮供水面臨的水環境問題日漸突出。 -
Currently sewage in sewage pumping station system is pumped manually. so the station is working in low water level and energy is consumed. this mode ca n ' t predict the inflow ' s changing
當前污水泵站排放系統主要採用人工值守方式排水，低水位高揚程耗能嚴重，且缺乏預測能力，流量洪峰來臨時易產生污水溢出污染。 -
This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究，系統採用了基於總線的分散式控制結構，根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數，知識庫的作物灌溉知識，分析決策灌水時間、灌水量、灌溉成本及灌溉效益。 -
During the heat accumulator supplying to users, the electric boiler usually try to make heat by starting at low price of electric and stopping at high. in general, the system of electric boiler with heat accumulator runs according to experience to utilize the time - of - use electricity price or controlled by the signals of water level or temperature
當前運行的蓄熱式電鍋爐供熱系統中電鍋爐的啟停控制一般有兩種方式：一種是根據分時電價和用戶熱負荷由人工啟停，另一種是根據蓄熱器的水位或水溫信號由自動控制裝置啟停。 -
High proportions of poverty mountain regions are distributed all over the country and have many common characteristic as follows rugged ground convenient communication and information, low life level of the residents fragile ecosystem, scarce resources of water and soil, great environmental pressure, etc. located in the southeast of chongqing municipality, qianjiang district is one of the major poverty counties named by the sate council moreover, located at the vital organs part of china, transition region between the west and east, and the juncture of the four provinces ( chongqing, hubei, hunan, guizhou ) likewise, close to the region of the three gorges dam
我國貧困山區面積廣大，遍布全國東西南北，有許多共同特徵；地表崎嶇，交通不便，信息不靈，經濟落後，人民生活貧困，生態脆弱，水土資源稀缺，環境壓力大等等。黔江區位於重慶市東南部，是國務院確定的重點貧困縣，是我國的一個具有典型意義的貧困山區，位於我國腹心地區和中、西部過渡地帶，地處渝、鄂、湘、黔四省市的結合部，又緊鄰三峽庫區，地理位置十分重要。 -
Aim to analyze the problems in the course of the exploitation and utilization of water resources and offer some references to the sustainable utilization of water resources in baoji city, shaanxi, china in the future. methods beginning with the restrained factors that affects the sustainable exploitation of water resources, the main problems is systematically analyzed that exposed in the course of the exploitation and utilization of water resources : utilization ratio of water resources is low, water waste is serious ; groundwater is exploited excessively, water level drops continuously ; water pollution is serious, water quality worsens obviously ; management system of water resources is imperfect, the facilities of irrigation works wear out seriously. results it is suggested that pursue saving water all - round to build a water - saving society, and perfect the paid - use system of water resources to implement the industrial management of water resources, and strengthen the protecting consciousness of water resources together with controlling groundwater exploitation strictly, and increase the fund investments to enhance the irrigation works abilities of adjusting, holding and preventing the flood, and strengthen the network management of water resources besides improving the official specialized quality. conclusion the reasonable exploitation and utilization of water resources plays a key role in the sustainable development of economy and society in baoji city, shaanxi, china
目的分析寶雞市水資源開發利用中存在的問題，為今後水資源的可持續利用提供參考依據.方法從影響寶雞市水資源可持續利用的制約性因素入手，系統分析了在水資源開發利用中存在的主要問題:水資源利用率低，浪費嚴重;地下水開采過度，水位持續下降;水污染嚴重，水質明顯惡化;水資源管理體制不健全，水利工程設施老化嚴重.結果提出了相關的解決對策:全面推行節約用水，建立節水型的社會;完善水資源有償使用制度，實現水資源的產業化管理;強化水資源保護意識，嚴格控制地下水開采;加大資金投入力度，提高水利工程的調蓄防洪能力;加強水資源網路化管理，提高管理人員的專業素養.結論水資源的合理開發和利用是實現寶雞市經濟社會可持續發展的關鍵 -
For wet - pit installations, it is recommended that the low water level elevation be specified to meet or exceed the minimum submergence to prevent vortexing
對于濕井設備安裝，建議所確定的低水位高度應該達到或超過預防渦流的最小潛水深度。 -
On the basis of repeated analyses and verifications, the construction techniques of shed - pipe grouting etc. are adopted therein, with which the tunneling in low - cemented sandy soil is successfully carried out under the condition of higher ground water level, and then both the design and construction are demonstrated to be reasonable and reliable through the actual water delivery operation
在反復分析論證的基礎上通過採用注漿管棚等施工技術，成功地在高地下水位低膠結度的砂性土中開挖隧洞，實際過水應用表明設計施工是合理可靠的。 -
In extreme conditions, the water level could exceed the tide level by more than three metres, bringing sea flooding to coastal low lying areas
0米之間，但在極端情況下，風暴潮可以高達三米以上，引致沿海低?地區受海水淹浸。 -
In hong kong, most storm surges would have a height of 0. 5 to 1. 0 metre. in extreme conditions, the water level could exceed the tide level by more than three metres, bringing sea flooding to coastal low lying areas
香港出現的風暴潮高度一般在0 . 5至1 . 0米之間，但在極端情況下，風暴潮可以高達三米以上，引致沿海低?地區受海水淹浸。 -
Low water level alarm
低水位警報器 -
Lake - experiment verified the correctness of this low sidelobe level beamformer. 4. the broadband constant beamwidth beamforming vectors for a uniform linear array are designed and its effectiveness when applied to a real array is verified by water tank experiment
針對均勻分佈線列陣，設計了基於chebyshev加權的寬帶恆定束寬波束形成向量，消聲水池實驗驗證了設計方法對于實際基陣的有效性。 -
Combining an application case, whole - set underwater rubber fenders ' renew under low water level, was realized under dry construction condition through chemical anchorage of screws
結合工程實例，在創造干施工環境下，通過化學錨固螺栓的方法，實現了更換低水位以下成套橡膠護舷。 -
Electrical water heaters ; rated capacity up to 1000 litres ; requirements for low - noice level design
電熱水器.額定容量為1000升以內.低噪聲水平設計的要 -
Low noise level, low oil consumption, wind cooling without water, reasonable steady performances
噪音低、油耗少，全風冷不用水，結構合理，性能穩定。 -
The collapse mainly occurs in the low - water years or during the beginning of the dry season and rain season in a year. the formation and developing scales of the collapse are affected by many factors, such as karst caves, sola and water, etc. however, the taking of the underground water which causes the hydrodynamic conditions changed and the water level highly descended is a leading factor for the karst collapse. the mechanism of karst collapse is discussed based on long - term monitoring results of groundwater level and geological environment
塌陷的產生與發展規模受溶洞、土層和水等多種因素的綜合影響，但過量開采地下水導致地下水動力條件急劇改變或水位大幅度下降是造成塌陷形成的主導因素;進一步討論了泰安市巖溶塌陷的形成機理，在此基礎之上對泰安市巖溶塌陷的監測預報及對土地資源管理利用的影響進行了研究，並根據當地的防治實踐，提出了巖溶塌陷防治的對策建議。
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