positive fan 中文意思是什麼
positive fan
解釋
強制送風機-
According to previous work suggesting that event interest, risk constraint, and financial constraint will affect potential attendees ’ desire to attend and their sense that it is feasible to attend, this paper makes use of the confirmatory study to establish the theory construct, and confirms it in the empirical study. the significance in theory and its implication for. 2008 beijing olympic games are proposed finally. main conclusions of this paper are : event interest and constraints fully mediated the effects of motives and background on respondents ’ sense that it was feasible for them to attend. financial constraint did affect desire to attend. the desire to socialize and eustress had direct and positive effects on interest in the event and the desire to attend the event. results suggest the value of segmented sport event marketing that appeals to both travel and fan motives. in the last, this paper, according to the results of this research and the holding experiences of the successive olympic games, from the angle of special tourism events marketing, puts forward some olympics tourism strategies, for example destination branding marketing strategy, and emphasizes some advertent problems in olympic tourism marketing works, aims to pose some rational propositions for the operation of olympics tourism marketing
以往的研究表明事件吸引力、風險限制因素、財務限制因素都會影響潛在參與者渴望參與的程度以及對于參與可實行性的感知，基於此，本文採用驗證性研究方法，首先建立理論架構，然後在實證研究中加以驗證，並提出了研究的理論意義及對2008年北京奧運會的現實意義和啟示。本文得出的主要研究結論包括:事件吸引力和人們對于限制因素的感知程度作為中間變量完全削弱了旅遊動機和潛在參與者背景對于參與奧運會旅遊可實行性的影響;財務方面的限制因素會影響人們參與奧運會的渴望程度;渴望社交和追求勵志性對事件吸引力和人們渴望參與奧運會的程度有一個直接和積極的作用和影響。研究結果還表明作為奧運會舉辦方，應該認識到體育事件市場細分的重要性。 -
Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants
摘要針對目前火力發電廠鍋爐風機在設計選型時參數裕量選取較大，運行時風門開度較小（對入口調節器調節）或低轉速運行（調速運行方式） ，風機效率較低的狀況，通過對某電廠送風機改造實例的分析，提出了在風機參數選擇中的裕量選取需要注意的因素及相關對策，對電廠的節能增效有一定的積極作用。 -
Industrial positive pressure fan ; noise - free, dust - proof and circulation cooling
工控正壓風扇，無噪音，防塵，循環散熱。 -
Fan : industrial positive pressure fan ; noise - free, dust - proof and circulation cooling
風扇:工控正壓風扇，無噪音，防塵，循環散熱。 -
The built - in positive pressure fan and filter screen may shield the casing from dust
內有正壓風扇加濾網，可避免塵土入侵機箱內部。 -
The results show that there are many sedimentary facies in cretaceous of study area, such as alluvial fan with disorderly deposits, river with positive cycle, delta with middling maturity of petro composition and texture, and coastal and shallow lake sub - facies with deposits of thin multilateral mottle sand and shale
結果表明，研究區白堊系主要發育的沉積相類型有：雜亂堆積的沖積扇相；縱向上呈粒度向上變細的河流相；中等成分成熟度和結構成熟度的三角洲相；雜色砂泥巖呈薄互層沉積的濱淺湖亞相。 -
The fact that grain of sand is fine or silty, with thin layer and little - scale scours means that the water energy was low. grain analysis tells its transiting character between turbulent flow and drag flow with the same character as sub - fan. in the core, every sequence is positive rhythm and debris flow that is not developed in delta was also found
巖電關系分析表明，孔隙度與聲波時差成正相關關系，與自然伽瑪呈負相關關系，而滲透率與孔隙度具有較好的指數關系，據此建立了解釋模型，在測井數據標準化的基礎上進行了測井解釋，較為準確地反映了井點處的物性特徵。
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