排水率 的英文怎麼說
中文拼音 [bèishuǐlǜ]
排水率
英文
discharge rate-
The paper is based on the construction of the express - highway between yiyang and changde in hunan province, aiming at enhancing the serviceability of cement concrete pavement, probing into the structural assemblage of the cement concrete pavement, the roadway drainage system, contraction joint with the dowel bar and precaution of bumping at the end of the abutment. it presents some achievements of the research, including more reasonable structural assemblage and roadway drainage system, the method of setting dowelled bar in contraction joint, putting forward the concept of stage - transition from rigid to flexile behind abutment
本文以湖南省益陽至常德高速公路項目為依託,以提高水泥混凝土路面使用性能為目標,就水泥混凝土路面結構組合、路面排水系統、縮縫設置傳力桿、橋頭跳車問題的防治等方面開展研究和工程實踐,取得了豐富的研究成果,如研究採用了更合理的路面結構組合,設置了較完善的路面排水系統,在國內高速公路上率先全面採用縮縫加傳力桿技術,對所有橋涵構造物臺背全部採用剛柔過渡技術處理橋頭跳車問題等。This research mainly is nonwoven using the hot blast, sap, and pvc pipe to complex the water absorbing composite pipe, when applies to the under - drainage tubing, but effectiveness achieves the water resources the application
摘要本研究主要是利用熱風不織布及吸水性高分子棉網與聚氯乙烯管件復合而成的吸水性排水管件,應用於地下排水管材時,可有效率的達到水資源的應用。The water intake and outlet of power plant in tidal river bend is researched by model test with adopting w shaped rippled groove which meets the request of model roughness
摘要進行了潮汐彎道段電廠取排水模型試驗,採用w形波紋凹槽方式加糙,使模型糙率達到了模型試驗的要求。( 5 ) taking full of advantage of the ado. net and asp. net technology under the. net platform. it construct a powerful remote control and monitor system and meet the reqirment of the users. in order to achieve real - time control, it design a front environments built on the asp. net structure, from which the system can fulfill the real - time function. due to the characteristic of drain off water pump station remote control and monitor system ( big pump station need high voltage ( 6000v ) and great power ), so now do n ' t adopt the ways that client _ end controls it. in addition, the server - end design a database to manage from which the system could tackle users information and online users log in the form of winform and strengthen the safety of the system
Net平臺下的ado . net與asp . net技術,發揮兩者的武漢理工大學碩士學位論文優勢,構造了功能更強的遠程監控系統,更好的滿足用戶的需要。系統設計中以asp . net架構為前臺環境,實現了客戶端通過ie瀏覽器來實時的監控到排水泵站的運行情況,使系統達到了實時監視,但由於大泵機工作電壓高( 6000v )功率大( 100okw )的特點,暫不採用客戶端控制系統。在服務端,設計了數據庫,並且以winform的形式來管理網路管理員和用戶的信息以及在線用戶的日誌,加強了系統的安全性。Abstract : the paper introduces the brief cases of gas jet pump used for oil and gas well artificial lift, expounds operating mechanism, advantage and limitation of gas jet pump, analyses the actual results and service conditions of gas jet pump used for dewatering gas production wells. the analysis result shows the gas jet pump technology have the advantage of gas lift technology, and have higher efficiency and better result than semi - enclosed gas lift. service conditions of gas jet pump is the same with semi - enclosed gas lift. so it is worth using widely
文摘:介紹國內外氣體射流泵用於油氣井人工舉升的簡況,闡述其作用機理、優點及局限性,分析用於排水采氣井的實際效果、應用條件;認為氣體射流泵工藝是具有氣舉工藝的優點,又比半閉式氣舉效率更高、效果更好,應積極推廣的工藝,因其應用條件與半閉式氣舉相同,故在氣舉井上作為接替工藝尤為簡便可行。When the water dose was 20 % and engine speed was 2000r / min, the maximum fuel saving was 4. 1 % ; the thermal efficiency of emulsified fuels was higher than that of using pure diesel oil. nox and particulates emissions were reduced greatly by using emulsified fuels. when water dose was 20 % and engine speed was 1500 r / min, the maximum nox reduction was 43. 4 % ; the average of particulates under all loads was reduced by the extent of 46 % ~ 64 %
結果表明:燃用乳化油節油率有所提高,當n = 2000r min ,摻水率為20時最大節油率可達4 . 1 ;燃用乳化油的熱效率也高於燃用純柴油; no _ x 、顆粒排放比燃用純柴油時則有大幅度降低,當n = 1500r min摻水率為20時, no _ x排放量下降的最大值可達43 . 4 ;固體顆粒物排放量在整個負荷范圍內的平均值比燃用純柴油時低46 64 ;隨著乳化油摻水量的提高,排放效果改善越明顯;而thc和co的排放量則比燃用純柴油時有所升高。Versatile tube pumps tomosada squeeze pumps are designed to efficiently convey mortar for every application including construction, chemical production and wastewater disposal
本廠生產的squeeze式壓榨式壓送泵適用於建築土木化學工廠排水處理等各種建築工程,並能夠高效率地輸送材料。The effects of food concentration and diurnal photo period on the filtering and grazing rates a. pacific were discussed. the main results are showed as follows : 1. in the prawn cultivated pond, the year - round phytoplankton apparent growth rate ranged between 0. 181 ~ 1. 2888 d - 1
主要分析了微型浮遊動物對浮游植物現存量和初級生產力的攝食壓力,微型浮遊動物的氨氮排泄率及其對初級生產力的貢獻,探討了實驗室條件下食物濃度和光周期對太平洋紡錘水蚤( acartiapacifica )濾食率和清濾率的影響。Flooding occurs when rainfall is so high that natural or engineered drainage fails to drain away the surface runoff. floods are usually fairly transient in the urban areas
當降雨率超過天然或人造排水系統的負荷時,積聚地面的雨水便不能及時排去,因而引致水浸。By using depth - measurable band drains, the supervision engineer or engineering managerial personnel can measure or spot check the embedded depth of each band drain after construction if they were not at site when band drains were being driven, thus improving the construction efficiency and ensuring the engineering quality
使用可測深型排水板可提高施工效率,當監理工程師或工程管理員不在現場對排水板打設進行直接監督和管理時,施工后可以對每根排水板埋設的深度進行測量或抽查,因而可有效控制和杜絕人為造成的偷工減料,確保施工和工程的質量。At present, there is flexibility in the exchange rate of the renminbi, in that the exchange rate is determined by " market " supply and demand, although the central bank remains the ultimate banker in the market
或靈活性指匯率限定的波動范圍,央行在匯率超出此范圍時會進行干預。根據目前人民幣匯率浮動范圍的安排,匯率水平由市場供求決定,但央行仍負責處理市場交易的最終結算。Under this arrangement, efficient maintenance and conservation of the capacities of these watercourses can be effected to reduce the probability and severity of flooding
在這安排下,維修水道的效率便可提高,排水道的排洪能力也得以維持,這絕對有助於減低水浸的次數及嚴重程度。The mechanism of fuel saving and emission reduction were discussed in this paper. based on surface chemistry, proper emulsifiers were selected to produce stable emulsified diesel oil, which contains different amount of water. the characters of emulsified fuel such as viscosity, heat value and factors in connect with stability were analyzed
本文以利用乳化油減少柴油機燃油耗和降低排氣污染為主要目標,先從理論上分析了乳化油節能和降低排放的機理,然後利用表面化學的知識篩選出適當的表面活性劑,復配出高效的復合型乳化劑並用其配製出不同摻水率的穩定的乳化柴油,對乳化油的物性(粘度、熱值等)及影響乳化油穩定性的因素進行了分析。Firstly, gravel piles in soil were laid for compacting and consolidating soil, then gravel composite foundation was treated with dynamic compaction in order to form three - level soil that is gravel composite soil and high replacement ratio composite foundation and dense composite foundation
該法先在填土層中設置好碎石樁體,利用擠密和排水固結的作用使其得到初步加固,然後對荷載影響深度范圍內的復合土體進行低能強夯處理,迫使樁體碎石沿徑向擴散,形成上部為密實的碎石二合土層、中部為擴徑后高置換率復合地基、下部為整體夯密復合地基的三層結構。Soil quality. method for measuring in situ the equivalent horizontal hydraulic conductivity and the drainage porosity. guyon method
土壤質量.等效的水平液壓傳導率和排水孔隙的現場測量方法. guyon法Main contents for studying of the paper is : ( 1 ) analysing the outcome, characteristic and the problem of the hot water supplydesign second flow method in the europe and the usa. ( 2 ) it is determined that value frequenly of different fixture use in the period of using water high peak. ( 3 ) the relation between the n and the hot watersupply design second flow is got by applying program to computer under the different probablity
本課題研究的主要內容為: ( 1 )分析對比歐美主要國家熱水設計秒流量計算方法的結果、特點及存在的問題; ( 2 )根據我國居民生活用熱水特點,由用水量標準推算出各類型水用戶用水高峰期的衛生器具使用概率; ( 3 )編制計算機程序,計算不同使用概率情況下,給水當量與熱水設計秒流量的關系表; ( 4 )建立熱水設計秒流量q _ g和給水當量n與使用概率p之間的相關關系; ( 5 )繪制《建築給水排水設計規范》中有關熱水設計秒流量計算方法的計算用圖表。Based on swmm ( storm water management model ), a typical urban region is selected to calculate the status under the design storms with different frequencies in the region, such as drainage effect and water - logging, overland flow on road etc., and simultaneously, the storm floods under different conditions, including reforming the protruding green belts into plain or concave ones, placing flood storage areas etc., are simulated with the evaluation on their effects
摘要以swmm為基礎,選取北京市典型小區,計算不同頻率設計暴雨下小區排水效果以及積水、道路坡面流等情況,同時進行不同情景下的暴雨洪水模擬並評價其影響,包括改凸式綠地為平式和凹式、設置蓄洪區等。Adopt the mean of analyzing the factors which influence the output of the crops to quantity and determine the factors, assess the correlation among the grading factors in the units and calculate the point value of these factors ; determine the weigh value of the factors. ten factors, which are content of organic matter, thickness of soil layer, quality of soil, pickled degree of land, condition of irrigation and state of shelter belt, the degree of land " s leveling, central focus region ( focus region location ), utilization method of soil, are chosen as grading index at last
本文採用因素法定量化評價各地塊定級單元的相關性和權重性,最終選定了有機質含量、土層厚度、土壤質地、鹽堿化程度、排水能力、灌溉保證率、防護林完整度、條田平整度、中心區位,土地利用方式等因子作為定級的指標,使用了加權加和因素法進行了的定級計算,逐步完成了農用地質量情況的評價,劃分出了級別。Open graded friction courses ( ogfc ) is a kind of open graded porous asphalt mix designed to drain water on the road face when raining. it has good performance on draining, anti - slide and noise reducing. it is common used in foreign countries from 1980s, while the lack in china because its poor mechanics performance, due to the high pore rate, cannot fit for the heavy traffic load in china
開級配瀝青磨耗層( ogfc )是一種具有相互連通空隙的開級配混合料,具有優良的排水、防滑、降噪等功能,然而該種混合料空隙率達15以上,瀝青用量低,混合料的耐久性和強度會產生一定影響,由於我國高速公路重載、超載嚴重,按國外設計方法設計的ogfc混合料難以滿足路用性能的要求,因此, ogfc在我國高等級公路建設中一直沒有得到推行。As with all of rscc ' s self - regulating cables, the roof and gutter cable uses less power as the roof and gutters dry and warm up
(通過屋檐排水溝並且進入排水管)當使用了rscc的自調節功率的電熱帶,就可使排水溝變乾和變暖,且屋頂和屋檐應用的電熱帶用電較少。分享友人