空化初生 的英文怎麼說

中文拼音 [kōnghuàchūshēng]
空化初生 英文
cavitation inception
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ名詞1 (開始的部分) at the beginning of; in the early part of 2 (姓氏) a surname Ⅱ助詞(附著...
  • : Ⅰ動詞1 (生育; 生殖) give birth to; bear 2 (出生) be born 3 (生長) grow 4 (生存; 活) live;...
  • 空化 : cavitation空化機理 cavitation mechanism; 空化噪聲 [聲學] cavitation [aeration] noise; 空化作用 [化學] cavitation
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下: ( 1 )城市旅遊是基於城市的發展而發展的,中國城市旅遊可分為古代、近代、現代和后現代四個階段,分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素露端倪時期的城市旅遊,以及邁向信息時代的城市旅遊,其間體現出不同的城市旅遊發展特徵; ( 2 )經歷不同發展的時期,中國城市旅遊表現出如下的演進規律: 1 )城市旅遊觀念開放程度逐漸增強,對城市旅遊的容納度日趨加大,對城市旅遊地位的認識從忽視到關注再成為活的必要因素; 2 )旅遊形式從單一走向多元,新的旅遊形式隨城市發展層出不窮; 3 )城市旅遊的內外部間聯系從封閉平面走向開放立體,達到網路、連綿、分區、立體布局; 4 )城市旅遊支持系統從缺失走向健全,達到理性高端; 5 )城市旅遊社會分層從森嚴走向融合,經歷了「小眾旅遊」 、 「大眾旅遊」 ,最終發展到「全民旅遊」 ; 6 )城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線,表現為低開?高走?平穩發展。
  2. With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving

    在此分析過程中:首先將物理模型簡為力學模型,主要是將塔架結構按間桿單元簡間桁架結構,目的是將力學模型變換為數學模型;這一過程主要是利用autocad2000建立塔架的計算模型;再者,利用algorfeas軟體包讀入autocad建立的塔架計算模型始數據卡利用計算機進行編程進行風載計算,再將計算結論整合入algorfeas產始數據卡中,成計算數據卡;接著,利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖,位移圖,並且求出在不同載荷條件下的最大位移和最大應力等;然後,對塔架的穩定性進行分析;最後;根據計算結果提出改進建議。
  3. Although the road from the research and development stage to making concrete contributions to the community is a long one, polyu has garnered substantial and invaluable experience and achievements in the areas of advancing technological innovation, serving the community with our research deliverables as well as commercializing our research output. while our well - known space tools space holiner forceps and mars rock corer have already made their mark in different parts of the world, we have also made use of our research deliverables to serve those in need. earlier this year, local newspapers have given significant coverage to the case of a quadriplegic patient who had lost his will to live and appealed to legislative councillors for the legalization of euthanasia. fortunately, as soon as this incident went to the press and was brought to the attention of our rehabilitation engineering experts, our colleagues were more than willing to offer a helping hand with their professional expertise

    雖然由科技發展到對社會作出實質貢獻是一條漫長的道路,但香港理工大學在推動創新科技、用科研成果服務社會和產業等方面,已取得了一些寶貴的經驗和成就。除了廣為人知的太儀器太鉗和巖芯取樣器的開發,我們也利用科技成果幫助社會上有需要的人士。例如今年年,報章大篇幅報導了一位四肢癱瘓的長期病患者因為意志消沉,曾去信立法會議員請求將安樂死合法,以便他能了斷自己的命。
  4. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和始條件下的製冷劑熱力參數、氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  5. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產提供了充足的水汽來源; ( 3 ) 、低急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同資料作為始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  6. This paper separately analyzed the principle and characteristic of water condensing + water condensing mode and air condensing + water condensing mode of compound condensing method. it is found that the building heating and cooling systems applied compound condensing method can well integrate the function of space cooling and space heating and sanitary hot water heating. the compound condensing method could well preserve energy, and its integration makes the investment of building heating and cooling system more economical

    論文對復合冷凝技術的水冷+水冷模式和風冷+水冷模式的原理分別進行了探討,討論發現此技術能使冷熱源機組將調製冷、調供暖、產衛熱水等功能互相結合起來,節能效果顯著,集成的功能也使得建築冷熱源設備的投資也大大減少,並很大程度上緩解了建築冷熱源設備對環境的熱污染和城市的「熱島效應」 。
  7. Our industrial stock company decorates the house and a life and a cultural space of 1987 window company since then human being and it raises in the product development for and it is cut it devotes without and it comes, it researches and develops the korean initial pvc silk wallpaper and the tile wallpaper the domestic wallpaper with technical power of the top which it guides the quality of beautiful life and

    我國工業股份公司裝飾內務和活和文間, 1987年窗口公司自此人類,並提出了在產品開發,它是削減專刊無它來了,它的研究和開發韓國最聚氯乙烯絲綢壁紙和瓷磚貼壁紙國內壁紙與技術實力世界排名,其中導游素質美好
  8. Thirdly, the mathematics model of forecasting low flow was established in fengcong and fenglin regions according to these factors influencing the amount of low flow in karst drainage ( the area of drainage, lithology, the type of landforms and its special assembly and forest ) the conception of low water resources carrying capacity was first put forward according to the changing law of low water resources in space and the situation of exploitation and utilization in karst drainage ( ie, under the condition of the virtuous ecological environment and the available technology, the explorable amount of water resources in certain areas is capacity and limitation which is able to coordinate the development of population, enviroment and economy during the period of low flow seasons ) and preliminarily analyzed its connotation, characteristic and established the index system of low flow in karst drainage

    三是根據影響喀斯特流域枯水徑流的下墊面因素(間尺度、巖性、地貌類型、植被) ,分別對峰叢和峰林等喀斯特地區建立枯水徑流預測模型。根據喀斯特流域枯水資源的間變規律以及實際開發利用狀況,首次提出了枯水資源承載力的概念,即在枯水季節期間,保持良性的態環境和現有的技術條件下,某一區域內可開採的水資源量對支持該地區人口、經濟與環境協調發展的能力和限度。並步分析了枯水資源承載力的內涵、特性,從水資源的供需方面確立了喀斯特流域枯水資源承載力的指標體系。
  9. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的熱膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老開裂、封裝裂紋、洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產的波長損失等方面進行了一系列的實驗,得出了步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比,從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。
  10. The business scope includes : coarse efficiency particulate air filter, medium efficiency particulate air filter, high efficiency particulate air filter, hepa ( high efficiency particulate air filter ) unit, air shower, pass box, clean bench, the laminar covers and other kinds of air purification product ; and carry on clean workshop design, installment, debugging and examination

    業務范圍包括:、中、高效氣過濾器,高效送風口、風淋室、傳遞窗、潔凈工作臺、層流罩等各種氣凈產品;並承接無塵廠房的設計、安裝、調試、檢測等服務。
  11. Whether in the congregate housing designed with reason but using irrationally at the beginning of our country establishment or the entire one - family but small area congregate housing mode during the period of " yi wu " the limit of economic situation and more city people arose there has no possible for the differentiation of activity in housing

    無論是解放期由於合理設計不合理使用所造成幾家合住的一套集合住宅內,還是「一五」期間的獨門獨戶的小面積集合住宅中,因為國家經濟狀況所限和城市人口過多使人均居住面積定額較低,宅內行為實現的間不足,宅內行為單元沒有產的可能。
  12. In 1950 ' s, the large modern industrial production enterprise management system has been successfully established as a result of the early aviation enterprises " continuously introducing the former soviet union technologies as well as studying on its management method, thus ensured smoothly transition of the aviation enterprises from repair expertise to manufacturing activity and also laid a solid foundation for the scientific enterprise management

    50年代,創時期的我國航工業在引進蘇聯技術的同時,學習蘇聯的管理,建立起現代大工業產的企業管理,保證了航工業從修理到製造的順利過渡,打下了企業科學管理的基礎。
  13. Checking the scale effects of cavitation inception for symmetrically rotational body shapes

    驗證圓柱形頭體的縮尺效應
  14. This paper presents a new face detection algorithm for color video images based on skin color and multimodal information fusion. first, this paper presents a new means for selecting skin samples ; and then comparing skin distribution in the eight color spaces and analyzing the adaptability for different skin patterns, poses a face initial orientation ' s method which uses the single gaussian model in the tsl color spaces, and calculates skin probability images ; afterwards comprehensive comparing three typical threshold value separating algorithms, put forwards a face separating method which bases on region growing and fuses multimodal informations ; final, raises a face confirming algorithm which fuses three shape features

    首先提出了?種新的膚色樣本選取方法;然後通過對八種色間膚色分佈的比較以及不同膚色模型適應性的分析,提出了在tsl色間上用單峰高斯模型模擬膚色分佈,求得膚色概率圖進行人臉定位的方法;隨后在綜合比較三個典型閾值分割演算法的基礎上,提出了融合多源信息進行區域長分割人臉的演算法;最後提出了融合三個形狀特徵的人臉確認演算法。
  15. Another possibility is to fork a separate low - priority thread during startup to perform initialization when the system is idle, although this choice requires more care to handle synchronization

    還有一種可能是在啟動時派一個單獨的低優先級的線程,當系統閑時再去完成,不過這種方法需要特別注意處理好同步。
  16. According to the gene sequence and secondary structure of hcv ns5b, we design the sirnas targeting ns5b gene following with the requirement for sirnas design from tuschl et. al and synthesize it from dharmacon company ; hepg2 cell stably expressing ns5b - egfp protein was trasfected by synthesized sirnas with electroportion, the non - transfected cell and non - specific sirnas transfected cell are c onsidered as control group ; inhibitory effect of sirnas was investigated by fluorescence microscope with dapi dyeing and by semi - quantitative rt - pcr

    然後根據dsrna設計原則,結合nssb基因的序列特徵,藉助物信息學軟體設計了針對nssb基因的sirnas ,並交由公司學合成;電穿孔法轉染上述穩定轉染的細胞克隆,同時分別以非特異的sirnas轉染組和白轉染組為對照, dapi染色后通過熒光顯微鏡和內標rtpcr檢測,步證實了學合成的sirnas可以特異阻斷nssb基因的表達。
  17. With the construction of geographically referenced database based on second national soil general survey materials, including the data of soil profiles physical chemistry property, soil profiles depth, soil nitrogen content, soil bulk density, and the support of geographic information system, this paper systematically quantified the soil nitrogen pool

    本文以中國陸地態系統中的土壤為研究對象,以中國較完善和精確的第二次土壤普查統計資料為基礎,在地理信息系統( gis )的支持下,對土壤剖面資料進行步建立了土壤剖面數據庫。
  18. During the period of the end of 1950 and the beginning of 1960, in some high standard housing, once the space which activity in housing carries out to rely on allowed, repasting firstly separated from the mixed space to become one separated cell. the special space of common activities in congregate housing came into being by enlarging the aisle

    當時的住宅中沒有專屬的宅內公共活動間,就餐、會客等宅內公共活動是在居室這樣一個混合間中圍繞床展開的。 50年代末60年代一些面積標準較高的住宅設計中,當宅內行為實現的間條件允許時,宅內行為單元產,就餐行為從混合間中分離出來。
  19. Meanwhile, according to the assessment cell of small watershed, the paper evaluates each index and compositive index. the paper can provide scientific bases for both protection and use of wetland by disclosing the spatial distributing rules and analyzing the impact on environment brought because of exploiting. the study shows that 1 ) in the structure of wetland ecosystem health of panjin city in 2000, better area accounts for 22 %, generic area 52 %, worse area 26 % ; 2 ) in shuangtaizi national wetland nature reserve, the health of many regions is better, the one of partial regions is threaten, the area of wetland is decreasing ; 3 ) in the period from 1986 to 2000, paddy field, shrimp and crab pool were increased, swamp and biodiversity were decreased gradually, and the environment of wetland was polluted gradually

    本文以態系統學、景觀態學、態系統健康、區域可持續發展等理論為基礎,根據聯合國經濟合作開發署提出的壓力-狀態-響應( psr )框架模型,以遙感數據及統計監測數據為基礎,採用rs 、 gis 、 gps技術,結合數理統計和數學模型方法,提取土地利用/土地覆蓋信息、濕地類型信息、小流域信息、濕地景觀指數、濕地產力、濕地人口壓力指數、濕地蓄水量、濕地污染物負荷、濕地變等數據,建立盤錦市濕地態系統健康數據庫,以小流域為評價單元,對每個小流域濕地進行單因子和綜合評價,揭示盤錦市濕地態系統健康狀況的間分佈規律,同時對濕地資源開發造成的環境影響進行剖析,為濕地資源的保護與利用提供科學依據。
  20. The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt

    實驗中prz飽和蒸汽壓力變范圍為: 0 . 2mpa - 0 . 6mpa , cmt中水始溫度變范圍: 23 . 5 - 78 . 5 ,實驗中測試工況30個左右,實驗測試數據50萬余個,得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論:蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩,產大量蒸汽汽泡,汽泡不斷破裂對cmt中液體帶來很大沖擊,勢必引起cmt中液體的振蕩,造成cmt汽間汽壓不均勻,加強cmt液體的振蕩和波動。
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