淤積速度 的英文怎麼說

中文拼音 []
淤積速度 英文
sediment accumulation rate
  • : Ⅰ動詞1 (淤積) become silted up 2 (血液不流通) (of blood) stagnateⅡ名詞(淤積的泥沙) silt Ⅲ...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 淤積 : silting-up; deposit; sedimentation
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. By the analysis and study, it is showed that : 1 ) the lower weihe river main channel was at a balanceable state between aggradation and degradation and floodplain of the lower weihe river is a tiny aggradation state before the construction of the sanmenxia dam ; 2 ) the severe aggradation of the lower weihe river bed is mainly caused by the increasing riverbed elevation at tongguan after the construction of the sanmenxia dam ; 3 ) the main reason leading to the increasing riverbed elevation at tongguan is the unreasonable operation of the sanmenxia reservoir ; 4 ) the rate of the riverbed aggradation at tongguan reach and the lower weihe river reach are speeded by adverse condition of incoming water and sediment recently

    然後以實測資料為基礎分析研究了三門峽建庫前後潼關高程的變化規律以及渭河下遊河道的沖演變規律,分析研究表明:建庫前渭河下游主槽處于動態沖平衡狀態,灘地處于微狀態;建庫后,渭河下遊河道發生嚴重主要是由於潼關高程的抬升造成的;潼關高程的抬升主要是由於三門峽水庫的不合理運用造成的,近期不利的水沙條件加劇了潼關河床的抬升和渭河下游的
  2. Its tidal land covers an area of more than 6. 8 million mu, 75 % of jiangsu with land forming eastward at the speed of 40, 000 - 50, 000 mu per year

    沿海灘塗面680多萬畝,佔全省沿海灘塗面的75 % ,每年還以4 - 5萬畝的向大海長。
  3. Some critics believe sedimentation is growing at a faster rate, which could eventually make the dam unable to contain a flood crest

    不過有意見認為,泥沙在加快,並最終會導致大壩無法承受洪峰。
  4. And, we also have had the relation between the size of the horizontal circulation regions and the fr number around the dike for the flow - deflection method. the results of this study show that, using the method of flow - deflection or " sucking - spouting " water, the flow pattern can be improved, the size of the horizontal circulation regions and the sedimentation volume caused by the horizontal circulation can both be reduced. so, they can be adopted to improve the navigation condition of upper approaching channel of three gorges project, which could guarantee the safety of navigation

    通過試驗,得到了以下創新的成果: 1 、不加吸、噴水時,丁壩后的迴流長約為丁壩長的8倍; 2 、加吸、噴水可以減小丁壩后的迴流尺和強,並得出了有理論根據的吸、噴流量與迴流尺減小之間的定量關系以及吸、噴流量與丁壩周圍流之間的定量關系; 3 、加吸、噴水可以減小迴流,並得出了吸、噴流量與量減小之間的定量關系以及迴流尺減小與量減小之間的定量關系; 4 、加導流板可以減小丁壩后的迴流尺,並得出了丁壩周圍的水流fr數與迴流尺減小之間的定量關系。
  5. With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability

    在渠道縱橫斷面優化方面,本文在利用已經比較成熟的縱橫斷面優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變量,以渠道不沖不及灌區允許地面比降為約束條件,通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外,針對部分地區的取土困難的狀況,本文採用分法計算渠道工程土方量,從而大大提高了土方量的估算精,有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界面友好,運行快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。
  6. Known as a good oxidizer, the solution has been found to cause stress cracking in polyethylene, polypropylene, and kynar ( pvdf homopolymer ) materials

    由於外露管道在陽光照射下吸熱,或者在球閥閥體的球與閥座之間的堆物產生的反應熱,使得這種分解加快。
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