風口比 的英文怎麼說
中文拼音 [fēngkǒubǐ]
風口比
英文
tuyere ratio- 風 : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
- 口 : Ⅰ名詞1 (人或動物進飲食的器官; 嘴) mouth 2 (容器通外面的地方) mouth; rim 3 (出入通過的地方) ...
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 風口 : 1 (比兩旁風大的地方) a place where there is a draught 2 [地質學] wind gap3 [冶金學] (blast) t...
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The trade routes of the carrier are between the east coast of north america, including the gulf of mexico, and south america ( not south of cayenne ), the steamers of the line calling enroute, whether south or northbound, at west indian, caribbean sea and gulf of mexico ports, in particular at the ports of haiti, dominican republic, windward and leeward islands, british west indies, jamaica, cuba, bermuda, etc
三、承運路線往來于北美東海岸,包括墨西哥灣,南美(但不包括南卡宴) ,本航線的船舶在南來北往途中停靠西印度洋、加勒比海和墨西哥灣各個港口,特別是海地、多明尼加、向風群島和背風群島、英屬西印度群島、牙買加,古巴、百慕大等地的港口。Newyork ( reuters health ) - oral contraceptives with low levels ofestrogenand progestin reduce the risk of ovarian cancer even more thanolderversions of the " pill ", according to investigators at theuniversity ofhawaii in honolulu
據紐約(路透社健康頻道)報道? ?檀香山的夏威夷大學研究者指出,低含量雌激素和黃體酮的口服避孕藥比舊的藥丸更能降低患卵巢癌的風險。New york ( reuters health ) - oral contracepties with low leels of estrogen and progestin reduce the risk of oarian cancer een more than older ersions of the " pill ", according to inestigators at the uniersity of hawaii in honolulu
據紐約(路透社健康頻道)報道檀香山的夏威夷大學研究者指出,低含量雌激素和黃體酮的口服避孕藥比舊的藥丸更能降低患卵巢癌的風險。The sensible heat factors are found to increase with both reynolds number and inlet temperature of cold water
濕盤管的熱傳量隨著入口風速與鰭片數目的增加而增加,顯熱比及除濕率亦隨著風速增加而增大。The gap to the international superior shipping companies is tremendously deep which lies in the following aspects : the small capital scale, the weak capability of withstanding risk because of the narrow business scope, and the unreasonable structure and high cost in raising capital deriving from the imperfect capital market, etc. after the entry to wto, the situation of our domestic port industry is very difficult
由於行業的特殊性,加上長期生存在計劃經濟的保護傘下,我國港口業受入世的沖擊很大,與國際著名港口企業相比差距很大,競爭力較弱。具體表現為:資產規模小;業務范圍過于狹窄、抗風險能力較弱;由於資本市場的不完善,導致現階段融資渠道不暢、融資成本高,等等。In developing countries desperate to feed fast - growing and underfed populations ; the issue is simpler and much more urgent : do the benefits of biotech outweigh the risks
在迫切想要養活其迅速增長而又吃不飽的人口的發展中國家,問題比較簡單,也更加緊迫:生物技術的好處是否大於風險呢Because of the existence of asymmetric information, we see an inability of the exporter ' s government to verify the actual quality of products, which will limit its ability to encourage trade through eci once the coverage provided goes be yond a certain threshold
當政府通過出口信用機構提供的保險承保比例超過一定的合理程度時,會使出口商欺瞞產品質量的道德風險增大,從而妨礙了出口信用保險促進貿易的作用發揮。The verification results show that the model can simulate well the tidal levels, current velocities, sediment concentration, bed load transport, diversion ratio in the bifurcation section, topographic change of the north and south channels, as well as sudden siltation caused by typhoons
大量實測資料驗證表明,該數學模型可以較好地模擬長江口地區的潮位、流速、流向、含沙量、底沙、分流比、南北槽地形變化和臺風暴潮造成的航道驟淤情況。However, when using minimal incisions to surgically excise most of the breast tissue the risk of blood loss is greater
不過,如果透過好幾個小切口來切除大部分乳房組織,失血的風險就比較大。In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the
本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。The research results show that compared with the uniform inlet velocity profile, the exponential inlet velocity profile has more advantages to get lower contaminant concentration, to prevent patient and operating apparatus in the operating area from infection by airborne disease germs and to reduce the airflow rate needed for pollutant concentration control
研究表明,與通常採用的均勻風速的送風口相比,變化風速的送風口對于降低手術室工作細菌濃度,防止病人手術切口及手術器械等回風氣流攜帶的浮遊細菌再次感染,以及減少手術室的送風量等方面具有明顯的優點。4. three type of basalt is recognized in changle region : a, sapphire - embodied alkli - olivine - basalt of niushan group ( most distributed in fangshan ), enriched with a large number of mantle - orignated xenoliths with different extent of weathering ; b, alkli - olivine - basalt of niushan group with little sapphire embodied, but contan a few mantle - orignated xenoliths usually samller than that of fangshan, most of the mantle - orignated xenoliths weathered seriously only lefting with some vacant caves, this kind of rock mostly lies in cangshan, taohuashan. and qiaoguan volcanic vent, contain amount of ilmenite ; c, olivine - basalt of yaoshan group, contain neither xenoliths nor sapphire
4 、在昌樂地區區分出三類主要的玄武巖: a ,牛山組含礦的堿性橄欖玄武巖,位於方山,含大量的大小不一的風化蝕變程度不同的地幔巖包體; b ,牛山組幾乎不含礦的堿性橄欖玄武巖,含少量地幔巖包體,且包體一般比方山小,多數已經遭嚴重風化而只留下空洞,含有相當數量的鈦鐵礦,主要位於北巖南部的蒼山,桃花山及喬官火山口。A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle
試驗研究發現,氣體噴嘴位置對氣固噴射器的輸送能力影響最大,氣體噴嘴存在某一最佳位置,而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯;氣固噴射器的收縮角對其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響,收縮角增大對整個輸送系統均不利;在適當的輸送風范圍內,提高氣體噴嘴出口速度比擴大氣體噴嘴尺寸更為有利,但氣體噴嘴出口速度過高會增加氣固噴射器和輸送管內的能量損耗,給輸送帶來不利的影響;系統背壓與氣固噴射器的氣體噴嘴出口速度的選取有關。And contracts the temperature field by shutter air supply and diffuser air supply. above the conclusions, in some degree, have an instructive and directive significance to actual object practice
並西安建築科技大學碩士學位論文且通過工程改進性實測,對單層百葉風口上送風和散流器送風的溫度場進行了比較。Shutter is one kind of inlets used widely in natural ventilation, therefore, the study for shutters may be a breakthrough for using natural ventilation more effectively. firstly, this paper will study the performance of shutters in single side by cfd. secondly, we will work at hoods with shutters in four sides
百葉風口是自然通風中使用最廣泛的風口,因而對于百葉風口的研究則有可能成為更為有效合理利用自然通風的突破點,本文將利用數值模擬首先對單側百葉風口的性能進行研究,在此基礎上,本文對實際中應用比較廣泛的四面百葉型風帽進行了研究,並對單側百葉風口的擋雨板的合理設計方法做初步探討。For shelters, the results show : 1 ) to reduce the raining drops entering into the inlet and to decrease the influence of the vortex, the declining angle of 45 is recommended for the shelters ; 2 ) it is better to choose those shelters which are longer 100 mm ~ 200 mm than the height of the inlets, as they may protect the room from rain
對于單側百葉風口的擋雨板,計算表明: 1 )為了防止雨水隨空氣流入自然進風口,並且使風口盡量少受渦流區的影響,建議選用傾斜角度為45 「的擋雨板; 2 )建議選用長度比風口高度長100mm - - 200 「的擋雨板,可以較好的避免擋雨板過短將雨水帶入室內和過長影響風口進風的情況。New york ( reuters health ) - women who use a contraceptie patch appear to be more than twice as likely to deelop a dangerous blood clot in their eins as those who use an oral contraceptie, new research shows
紐約(路透社健康版) - - - -最新研究顯示,使用避孕鉗的女性形成兇險靜脈血栓的風險比使用口服避孕藥的女性高出兩倍以上。In this paper, the technique of computational fluid dynamics ( cfd ) is adopted to simulate the air distribution in the generator hall, the water - turbine hall and switch station. analyzes and compares the distributions of the velocity field, the temperature field and the pmv - ppd in the workshop by different outlets layouts, outlets quantity and outlets size, bring forward applicable scheme for the engineering, provide the basis of the workshop ventilation design
對不同的風口大小、風口數量、風口布置位置形成的廠房內速度場、溫度場、 pmv - ppd分佈進行了分析對比,提出適合於工程實際的送風方案,並對所選方案的不同運行工況進行了數值模擬研究,為設計及運行實踐提供了依據。For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation
數值模擬採用fluent軟體,計算結果用excel進行處理,通過對大量數值工況進行數值模擬計算,結果表明:對于單側百葉風口,計算表明: 1 )對于公式p = ( ~ 2 ) 2 ,的理論計算值中定義為流體流經百葉風口內部時的速度,即有效速度,而工程上常使用流體的來流速度來計算,計算表明,的理論計算值與工程應用值的關系為( _ (理論) ) ( _ (工程) ) = 0 . 813 ; 2 )當來流速度一定時,擋板傾斜角度越小,壓力損失越小、出口速度越小;因此在要求進口風速比較小的場所,如播音室、圖書館等,宜採用擋板角度30的百葉風口;在要求進口風速比較大的場所,如電影院、辦公室等,百葉擋板的角度應選45 ; 3 )當來流速度一定時,百葉擋板的擋板寬度b與擋板間距h的比值b h越大,壓力損失越大,出口速度越小,計算表明,鑒于壓力損失、出口風速、板間形成渦流區的大小,百葉擋板的b h值取0 . 8到2 . 0之間, b h = 1 . 2為最佳值; 4 )當來流速度一定時,在計算的條件下,當百葉擋板寬度b = 40mm時,百葉擋板的阻力系數最小,考慮到渦流區等的影響,建議選用10mm b 50mm的百葉擋板;西安建築科技大學碩士學位論文5 )百葉擋板的厚度取為1 . sinln為好; 6 )百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板,利用其較好的導流作用,可得到更好的出流效果。The results show that the diffuser has such advantages as larger induction ratio, low resistance and noise, relatively even air supply, no condensation, simple in structure and low in costs
測試結果表明,該風口的誘導比大,阻力小,噪聲低,送風比較均勻,風口沒有結露現象,結構簡單,造價低。分享友人