1)circulation[英][,s?:kj?'le??n][美]['s?kj?'le??n]環量
1.It can calculate vertical induced velocity in spatial point according given circulation distribution.采用無限片槳葉的固定尾跡分析法,建立了前飛狀態下固定渦系對空間一點誘導速度的數學模型,用Fourier級數表示誘導速度和環量沿方位角的變化,積分得到了含有三類完全橢圓積分的誘導速度各諧波系數解析表達式。
2.To describe the attachment vortex circulation distribution of blades, contacting blade element theory, trigonometric series was adopted and applied for the model of classical rotor vortex theory.為了在固定尾跡分析中更好地描述槳葉附著渦環量分布,結合葉素理論,采用一個三角級數表達附著渦環量的連續分布,并應用于懸停狀態下單旋翼和共軸雙旋翼的氣動特性分析,通過小量計算即獲得連續光滑的附著渦環量分布,將其應用到推導的公式中計算出連續分布的誘導速度,進而分析了共軸雙旋翼上下旋翼氣動干擾及扭矩平衡條件。
3.The space of wings results in decrease of circulation around each wing.翼片的間隙導致環量的減小。
2)ring content環含量;環數
3)flow volume loop流量容量環
4)environmental quality環境質量
1.Research on present situation and development tendency of atmospheric environmental quality in China;中國大氣環境質量現狀及趨勢分析
2.Checking and protection of indoor environmental quality;室內環境質量的檢測及防治
3.Assessment of environmental quality on main tea production bases of Hangzhou;杭州市主要茶葉生產基地環境質量評價
英文短句/例句
1.Environmental quality standard for soilsGB15618-1995土壤環境質量標準
2.Area-Wide Environmental Quality Management Plan全區環境質量管理計劃
3.(1) Environmental Quality and Ecological Conditions（一）環境質量與生態狀況
4.Study on Relationship among Environmental Capacity Threshold,Environment Quality and Environmental Kuznets Curve環境承載閥值、環境質量與EKC關系研究
5.Study on the Evaluation and Air Environment Capacity in Hefei City;合肥市大氣環境質量評價與大氣環境容量研究
6.A Research on the Environmental Quality of the Kuye River and Its Aquatic Environment Capacity;窟野河水環境質量評價及環境容量研究
7.The Environmental Quality Analysis and Environmental Capacity Study about the Surface Water in Pingyin County平陰縣地表水環境質量分析與水環境容量研究
8.Air Quality and Atmospheric Environmental Capacity Calculation in Liuzhou City柳州市大氣環境質量及其環境容量測算初探
9.Research on the Assessment of Geological Environmental Quality of Lead-zinc Mine Area in Feng County鳳縣鉛鋅礦區地質環境質量評價研究
10.Studies on Environment Quality Assessment and Its Quantitative Analysis Method環境質量評價及其數量分析方法研究
11.Environmental quality evalution based on SVM基于支持向量機的環境質量評估方法
12.-- Comprehensive improvement of the urban environment and improving the quality of the urban environment.--開展城市環境綜合整治，改善城市環境質量。
13.The study of enterprise s environment cost control based on environment quality;基于環境質量的企業環境成本控制研究
14.The Eco-environment Quality of Benxi City and Some Countermeasures for its Eco-environment Construction;本溪市的環境質量及其生態環境建設對策
15.Agricultural Environmental Quality Ecological Assessment in Environmental Impact Assessment環境影響評價中的農業環境質量生態評價
16.Environmental quality standard for surface waterGB3838-1988地面水環境質量標準
17.Necessary safety and quality management to dominative area and people.管轄區域內的安全環境質量管理。
18.ambient air quality standardGB3095-1996環境空氣質量標準
相關短句/例句
ring content環含量;環數
3)flow volume loop流量容量環
4)environmental quality環境質量
1.Research on present situation and development tendency of atmospheric environmental quality in China;中國大氣環境質量現狀及趨勢分析
2.Checking and protection of indoor environmental quality;室內環境質量的檢測及防治
3.Assessment of environmental quality on main tea production bases of Hangzhou;杭州市主要茶葉生產基地環境質量評價
5)environmental capacity環境容量
1.Study on environmental capacity assessment and management strategy of Fuzhou National Forest Park;福州國家森林公園環境容量評估及其管理策略研究
2.Study on the environmental capacity of the wetland ecotourism in Minjiang River estuary;閩江河口區濕地生態旅游環境容量研究
3.Study on the relation between urban environmental capacity and vehicle possessing quantity;城市環境容量與機動車保有量關系研究
6)circulation quantity循環量
1.The speed of filtration-medium of filtration and circulation quantity and so on,on the experimental equipment for moving filtrating models,influence the effect of filtration.實驗結果表明:除介質清洗外,床層高度、濾速和過濾介質循環量等因素都對過濾效果產生影響。
2.The result indicates that the factors such as medium cleanout, the height of the bed, the speed of filtration, medium of filtration and circulation quantity and so on, on the experimental equipment for moving filtrating models, influence the effect of filtration.結果表明 :介質清洗、床層高度、濾速、過濾介質和循環量等因素都對過濾效果產生影響。
延伸閱讀
速度環量 表征流場渦旋強度的量，記為Γ,定義為速度矢量v沿封閉曲線L的線積分, 即,為曲線L的弧元素矢量，規定逆時針方向為L的正方向。速度環量同物體在流體中運動時所受的舉力有密切的聯系。 渦通量和速度環量都能表征渦旋強度。由于速度環量的表達式比渦通量簡單,所以在某些情況下,利用速度環量常比較方便。除此之外，在多連通區域的某些情形中，只能利用速度環量的概念來察覺并反映區域外"隱藏"著的渦旋。若流體是理想、正壓的（見正壓流體），且外力有勢，則速度環量在隨體運動過程中將不隨時間改變(見開爾文定理)。由此可以斷言，流體的粘性、斜壓性以及無勢外力將使速度環量隨時間的推移有數值上的增減。
