流泄風 的英文怎麼說
中文拼音 [liúxièfēng]
流泄風
英文
drainage wind-
In this paper, those uncertain factors affecting the flood discharge are discussed, especially the uncertainty of flood hydrograph
本文全面考慮了影響施工導流及泄洪風險的不確定性因素,重點分析了洪水過程的不確定性對施工導流及泄洪風險的影響。Firstly, the status of our nation ' s water resources, flood and arid hazards is overviewed to illustrate the necessity for study on dynamic control of flood season limited water level. disadvantages in traditional limitsd water level design, static control of limited water level design, static control of limited water level and fuzzy limited water level curve are pointed out, and mending methods for these are introduced. dynamic control and its key problems are analyzed hi next section. the allowable range of limited water level is determined, so as the allowable extreme risk index. the definition of extreme risk is re - illustrated, risk analysis methods in reservoir operation is discussed either. according to the definition of extreme risk rate, the allowable extreme risk rate of reservoir is systematically demonstrated with variant extreme risk indexes and flood season limited water level
本文首先闡述了我國水資源狀況和水旱災害、說明水庫汛期限制水位動態控制研究的必要性;介紹了傳統汛限水位設計、汛限水位靜態控制、模糊汛限水位過程線存在的問題及其初步改進方法;分析汛期限制水位動態控制的方法及關鍵問題;進一步闡述了水庫極限風險率的定義;根據極限風險率定義,詳細敘述了不同極限風險指標時、不同汛期限制水位下起調,水庫所能承受的極限風險率計算方法。然後,基於極限風險率計算方法,以白石水庫為背景,研究「考慮壩體自身安全、考慮壩體安全與下游防護對象控制下泄流量的汛限水位動態控制的極限風險率」 。Taking into account weather and flood forecast information ; the forecast operation manner is studied under the condition of without the change of the existing flood control standard to realize the conversion of flood control and benefits. ( 4 ) through analyzing runoff and water utilization information during reservoir operation, design flood, and the existin
水庫汛陽水位動態控制方法研究及其風險分析根據水庫流域天氣預報、流域前期降雨、水庫蓄水、水庫泄水能力和防洪興利要求,利用水庫汛限水位變動范圍,結合洪水預報和短期降雨預報模型,研究水庫汛限水位動態控制方法。By analyzing risk sources and those uncertain factors affecting the risk, the diversion risk is defined as the probability of the maximum discharge after being adjusted and held higher than the maximum design flood
通過對導流風險來源和引起導流風險的各種不確定性因素的論述和分析,把施工導流風險定義為天然來(洪)水經過調蓄后,導流泄水建築物的最大泄水流量超過其設計最大泄水能力的概率。Finally, taking the panjiakou reservoir in the haihe river basin in china as an example, the paper analysis the reasonable adjustment scheme of the limited level of the reservoir during the flood season according to the design flood, the flood forecasting, the flood control operation under forecasting, the flood control standard of upstream and downstream of the reservoir, the immigrants range, and the benefits and the risk of the reservoir in a long period of the operation simulation
最後以海河流域潘家口水庫為分析實例,從設計洪水、預報預泄、洪水預報調度方式、上下游防洪設計標準、上游移民淹沒及土地退賠線、水庫長期運行的風險和效益等多個方面分析論證了水庫汛限水位的合理調整方案。Dynamic control of the limit water level belongs to non - structural measures of reservoir operation. with the analysis of the cause and rule of flood in the catchments and taking advantage of hydrology and metrology information, the operable method can be obtained which not only satisfies the flood prevention but also takes full advantage of flood resources, and the upper and lower limits of the limit water level are determined with serial hydrology calculation. then, the rule of using the upper and lower limits is put forward to reach a beneficial flood operation with small risk
汛限水位動態控制方法屬於水庫風險調度的非工程措施范疇,通過分析流域洪水的成因和庫區降雨及致洪規律,結合水庫的蓄泄能力,積極慎重的利用水文氣象預報信息,研究既能滿足防洪要求,又可充分利用洪水資源的可操作性的調度方法,利用水文系列的連續演算方式推求汛限水位的變化范圍,提出使用汛限水位上下限的原則,達到風險較小、效益較大的目的。The paper establishes a risk management model for natural gas stations based on risk theory and risk assessment model, takes into account the real working conditions and technical specifications of natural gas stations in our country, carries on the assessment from nine aspects, and presents the risk standard, the acceptable criterion, and the suggestive measures to control these risks
摘要以風險管理技術和風險評價模型為基礎,結合我國天然氣輸氣站場設計、施工、運行時的工況,遵循我國輸氣站場技術標準和安全規范,建立輸氣站場的風險管理模型,包括輸氣站場位置及環境、站內埋地管道、地面壓力設備、運轉設備、站內閥門、儀器儀表、工藝流程、站內甲烷泄漏、站場安全系統等9個部分,提出了輸氣站場風險標準及可接受性準則,給出了風險控制的措施。Demand inadequate is the source of lack of buying logistics. " big and complete, small and complete " and misunderstanding " third profit source " are the sense hinder of industry and commerce. possessing logistics equipment and employee make many companies face a difficult choice. .
「大而全、小而全」的思想和對「第三利潤源」的誤解,是工商企業觀念上的障礙;自有物流設備的處理和人員的分流也令許多企業為難;由於擔心商業機密外泄和對第三方物流商缺乏信心,風險規避型的經理人寧可選擇自營物流… … 。The flow regime inside of the tunnel, the characteristics of hydrodynamic load, the hydrodynamic pressure feature at the gate slot and the vent air speed during the shutting of the gate is studied through model test, and then the reliability of the gate, the feature of the vent air speed and the pressure at the gate slot during the shutting of the gate are analyzed based on the test result concerned
通過模型試驗研究了事故閘門關閉過程中泄洪洞內的水流流態、門體的水動力荷載特性以及門槽段動水壓力特性、通氣孔風速,並根據試驗結果分析了該閘門動水下門過程中的可靠性,通氣孔風速特性和門槽段壓力特性。When oil spills occur in hong kong, special 12 - hour forecasts of wind, weather, state of sea, wave height, sea surface temperature, storm surge and abnormal tidal currents will be issued and despatched to the marine department when required
如果香港海面出現泄漏燃油事件,天文臺會應海事處要求為該處發出關于風天氣情況海面狀況海浪高度海面溫度風暴潮及異常潮流的12小時預報。In the past years, people generally considered that the effect of the uncertainty of the flood hydrograph is not the main reason that result in the flood discharge risk and even ignore its effect. in the paper, this factor is take into account during analyzing and calculating flood discharge risk
在已有的對施工導流及泄洪風險的研究中,人們普遍認為水文因子中的洪峰流量的不確定性是造成風險的主要風險因素,認為洪水過程的不確定性所帶來的影響很小,可以忽略不計。分享友人