高頻損害 的英文怎麼說
中文拼音 [gāobīnsǔnhài]
高頻損害
英文
hfl- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 頻 : Ⅰ形容詞(次數多) frequent Ⅱ副詞(屢次) frequently; repeatedly Ⅲ名詞1 [物理學] (物體每秒鐘振動...
- 損 : Ⅰ動詞1 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
- 高頻 : high frequency
- 損害 : harm; damage; injure; damnify; [生物學] lesion; blight
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Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced
水力螺旋機技術的優點有:無需監控系統,可自行調節水體供給和供給頻率運行效率高於水輪機和小型渦輪機效率梯度平穩轉速低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。As long as crude oils are produced offshore and transported across the seas by ships or pipelines, there is a risk of oil spills with the potential to cause significant environmental damage. the " exxon valdez " incident in alaska, and other oil spills in recent years, have demonstrated high risk and damage to the local economics and environment caused by oil pollution
隨著對海洋石油資源的大力開發和全球海上石油運輸量的持續增長,溢油事故發生的頻率越來越高,溢油規模也越來越大,溢油事故的發生,不但給當地漁業、水產養殖業、旅遊業等造成經濟損失,也嚴重損害了海洋以及海岸的自然環境和生態環境。Firstly, the people preferred the economic benefit of forest to the ecological benefit in the past old planned economy system. secondly, the resource of natural evergreen broad - leaved forest is destroyed and increasingly exhausted because of the population increment and the science and technology advancement. thirdly, we suffer from a gre at dread of the frequent natural - calamities and the continual deteriorated environment people began to be aware of the importance of the natural evergreen broad - leaved forest to human race and the protection for it
在我國,生態保護小區的建立有其深刻的歷史背景: ( 1 )舊的計劃經濟體制偏重於對森林木材採伐加工的利用,甚至盲目地追求森林採伐加工的經濟利潤,忽視了森林的最主要生態功能,造成大面積天然闊葉林遭受破壞; ( 2 )人口增長引發毀林開荒,科技水平提高引起木業的飛速發展,這些導致天然闊葉林資源日益枯竭; ( 3 )頻繁自然災害、不斷惡化的環境使人類蒙受巨大經濟、社會損失。It has obvious effects on blocking scales, cleaning scales and killing bacteria, therefore it has great significance for reducing costs of oilfield production and operation, saving energy and reducing consumption, preventing corrosion and killing bacteria as well as decreasing scale pollution to reservoir
文章探討了一種新型的頻率掃描式高頻電磁清防垢裝置的機理、參數設計及應用效果,該裝置阻垢、清垢和輔助殺菌效果明顯,對于油田降低生產運行成本、節能降耗、防腐殺菌、減輕儲層垢類污染損害等具有重要意義。Transportations give convenience and make huge value to people, at the same time they take transportation accident and environment pollution which has been in the catastrophical level. transportation catastrophe brings the losing life, property and the broken environment which are taken by transportation accidents and negative effects of the transportation activity. the essential character of the transportation catastrophe is sociality. the existing researches divide the transportation accident and transportation pollution into two different fields and seldom study the formation mechanism of the transportation catastrophe and forewarning countermeasure on the viewpoint of catastrophe and social management. based on the viewpoint of catastrophe, macromanagement and integrated the road and water transportation catastrophe which its frequency are higher among the transportation, this paper sets up the forewarning management system of carrier in the transportation catastrophe to find a principle and method of the effec tive defending transportation catastrophe and reducing catastrophe losing by using the methods of association theory with demonstration investigation, the theory of system, forewarning management and countermeasure theory. this paper try to offer a new theory and application approach
現有研究把交通事故與交通污染割裂開來研究,鮮有從災害的角度和社會層面來系統研究交通災害的致災機理與防範對策。本論文從災害和宏觀管理的研究層面,針對交通運輸中發生事故與環境污染頻率較高的公路、水運交通運輸活動,綜合災害學、系統理論、預警管理理論以及對策學理論,採用理論與實證相結合的方法,研究交通災害中載運工具的致災機理及其預警管理系統的構建,尋求有效預防交通災害和降低災害損失的原理與方法,試圖在交通災害治理方面提供新的理論和實踐方法。本論文以發生交通災害的致災要素? ?載運工具為研究對象,通過公路、水運交通中車輛、船舶造成交通災害的成因、表現特徵和擴展規律的研究,構建了交通災害中載運工具的致災機理模型。Flood in china has several characteristics as follows : the distributing area is far and wide, the frequency is high, the relationship between " flood " and " waterlog " is severe, the duration time of high water level in the river is enlarged and the losses is huge
我國的洪水災害具有分佈范圍廣、發生頻繁、防洪和排澇矛盾突出、河道高水位行洪歷時長、水災損失大、受洪水威脅人口多等特點。分享友人