最小壓力 的英文怎麼說
中文拼音 [zuìxiǎoyālì]
最小壓力
英文
minimum pre ure-
Based on the analysis of thermal contact metamorphic aureoles, granitoid interior structure, quartz axis fabric and strain characters in the different rock unites of yuanshishan granitoid and its wall rocks, the emplacement mechanism of yanshishan granitoid was studied. the magmatic explictite dynamic was advanced in light of regional stress and magma dynamic research. those conclusion was synthesized to ascertain the emplacement mechanism - granitic magma ascended in dikes with the minimum critical width of the magma ascending channels about 2. 213. 88m and located in the core of yindianshan dome with the passive style of dyke explictite ; the later unite is a kind of multiple emplacement mechanism with the character of active emplacement of ballooning
同時運用巖漿動力學原理從另一個角度探討其侵位驅動力。綜上指出:經分凝后的活動性巖漿在深部側向擠壓和浮力的聯合驅動下,沿深大斷裂以最小臨界寬度為2 . 213 . 88m的裂隙脈動上侵,整體以巖墻擴展的方式被動定位於銀殿山穹窿的核部,但後期屋面前單元具有主動侵位的特點應為一種復合定位機制。The author takes consider of the aerial condensability. according to newton ’ s second law and gas equation, it is elicited to the gas pressure distributives in the drill pipe
通過壓力分布圖可知,截面突變導致壓力發生突變,空氣流速在該處最低,因此,最小風量採用截面突變處風速計算。This paper research the mining press the meaning of the spirit system with the principle of basic theories and superior, application that press the windpipe net to compute the analysis method of the system theories, press the present condition of the spirit system to proceed to investigate the research to old factory tin mine of company of yunnan tin industry group, minimum tree principle within " diagram theories " of key problem, adoption that find out the esse, right pressed the windpipe net to proceeds the superior
本文闡述了研究礦山壓氣系統的意義和壓氣管網計算的基本理論及優化原理,並運用運籌學的分析方法,對雲南錫業集團公司老廠錫礦壓氣系統的現狀進行了詳細的調查研究。針對目前老廠錫礦壓氣系統存在的管網長、漏氣多、壓力損失大等主要問題,採用「圖論」中最小樹原理,對壓氣管網進行了優化研究。This article proposes a behavior model of workforce movement based on the disparity analysis in many aspects that exists in urban and rural areas, which shows the economic behaviour reason and its decisive condition of the rural workforce movement, and point out that the fabulosity of change rural backward situation by the rural - urban workforce movement as well as the basic way to narrow disparity in urban and rural areas and solve the urban pressure on employment is to quicken the development of rural economy
在分析城鄉存在的多方面差距的基礎上,提出一個勞動力遷移的行為模型,用以說明農村勞動力遷移的經濟行為動因及其決定條件,指出完全依靠農村城市勞動力遷移來改變農村落後局面的不現實性,最後提出加快農村發展是解決城市就業壓力,縮小城鄉差距的根本之道。Even under the condition that the filling pressure was up to 1. 5mpa, the onset temperature was only 237 ?. with the filling nitrogen of 0. 9 mpa, the maximal pressure ratio reaches 1. 21 and the operation frequency is 25 hz. the ratio of the harmonic wave of the engine was very little and the frequency jumping was not found in present experiments
在充氣壓力為0 . 9mpa的條件下,該熱聲發動機最大壓比可達1 . 21 ,遠高於駐波型熱聲發動機,實驗結果和理論分析均表明系統的工作頻率為25hz左右,實驗裝置的諧波比例非常小,且也沒發現頻率跳變等現象。The lowermost capillary fringe is a zone in which the pressure is less than atmospheric.
最下面的那個毛細水帶中的壓力小於大氣壓。Within this range, the peak overpressure appears to be the main criterion of damage.
在此范圍內,最高超壓力的大小是判斷破壞程序的主要依據。At the same time, acquiring the formula of the minimum blank holder force that to be sure that the blank holder will not be lifted
同時,又得到了保證拉深零件時壓邊圈不被?起的最小壓邊力公式。The research fruits in this article can provide the temperature isoline map of crown cantilever section and central longitudinal section of the dam, the stress isoline map of crown cantilever section and upstream and downstream surfaces of the dam, the maximal and minimal stress distribution map in dam abutment along with the height of dam, the maximal and minimal stress table of typical nodes and the maximal and minimal stress table in different elevations, and also provide reference basis for taking relative temperature control measures in the design and construction of rcc arch dam
本文研究成果可給出壩體的拱冠梁剖面和壩體中心縱剖面的溫度等值線圖、拱冠梁剖面和壩體上下游面應力等值線圖、壩肩最大最小應力沿壩高的分佈曲線、不同高程處典型點的最大最小應力值表以及不同高程處最大最小應力值表等成果,為碾壓混凝土拱壩的設計和施工中採取相應的溫控措施提供了參考依據。And the experimental results indicated that the pressure fluctuant of cng engine was less than gasoline engine
通過比較各缸最大壓力的變動系數,表明燃燒天然氣的循環間波動小於燃燒汽油。It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends
結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特性發生明顯的變化,最高爆發壓力下降,最大壓力升高率減小,最大燃燒放熱率增大,最高燃燒溫度下降,滯燃期延長。Although the flux per revolution of the optimized pumps is a little smaller than that of tatsuno combined pumps, other characteristics, such as fluctuation rate, maximum pressure angle and velocity fluctuation rate etc, are much better. the methods to cut gears are proposed in the theory for the practical produce in the future
雖然,在體積相等的條件下,優化出來的外圓弧包絡線內嚙合齒輪泵的排量略小於tatsuno組合泵的排量,但其它性能(如:流量脈動率、最大壓力角、速度波動量)都更優。Fig. 8. 27, taken from their paper, shows a relatively minor secondary pressure maximum.
圖827摘自他們的論文,其中顯示了一個比較小的二次最大壓力。The composer anatomizes the present compacting ratio value with the stress distribution property under vehicle load and dead weight load, then pures the smallest stress place in the embankment according to the stress distribution property, and suggests a actual compacting ratio value for embankment firstly according to internal load stress distribution curve. and questions simplified calculation methods for the settlement of embankment
通過路堤在車輛和自重的荷載作用下的應力關系,對現有壓實度標準進行剖析,依此受力特性推導出路基中最小應力發生的位置,根據高路堤內部荷載應力分佈曲線,首次提出符合路堤受力特性的壓實度標準。Based on the principle of hydraulics, the general equation for head loss and the formula for calculation of pressure head along the flexible hoses were worked out, and the method for determination of the maximum and minimum heads and their positions was given
摘要根據水力學原理建立了軟管沿程水頭損失的一般方程,得出了軟管沿程壓力水頭的計算公式,給出了確定最大和最小壓力水頭位置及大小的方法,從計算結果與試驗實測結果的對比看,具有一定的合理性。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 joint surface normal stress is worked out and then the minimum sleeve press - in force, by which tightening bolt number is determined, ensuring that the sleeve is fastened and the desired torque is delivered
根據結合面的壓強計算了壓入襯套所需的最小壓入力,並依此確定緊固螺釘的數量,以確保壓牢襯套,滿足傳遞扭矩的需要。There are concrete relationship between the population pressure and the transfer of agricultural surplus labor, and in different region the population pressure is different. the rural region is the agricultural population ' s concentrated region, so in this paper, we use some mathematic analysis to calculate the population pressure in the rural region of fujian province, based on the result, we divided the rural region of fujian province into four groups : the lower pressure region ; the midst pressure region ; the high pressure region and the highest pressure region. then choose a county in the high pressure region - - - - - - yunxiao county to study the transfer of agricultural surplus labor, then analysis the affection in the transfer and the obstructive factor, and put forward some suggestion to solve the transfer in the county
本論文利用ahp決策分析等數量分析方法對福建省鄉村地區人口壓力進行定量評估分級,把全省鄉村地區按人口壓力大小分為四個等級:低壓力區、中等壓力區、高壓力區和最高壓力,然後就高壓力區的一個縣? ?雲霄縣對農業剩餘勞動力轉移進行研究,通過對樣本村的典型調查獲得該縣農業剩餘勞動力轉移的第一手資料,結合「五普」等資料對該縣的農業剩餘勞動力轉移現狀和特點進行較為微觀的分析研究,探討影響農業剩餘勞動力轉移的各種動力機制,並就農業剩餘勞動力轉移過程中存在的各種障礙因素進行分析,在此基礎上,對雲霄縣農業剩餘勞動力的提出幾點對策和建議。Primary power supply ? air or hydraulic ? available maximum and minimum pressure and source
主要動力供應-空氣或液體-可提供的最大和最小壓力和動力源。The maximum pressure of the machine is 100 tons. it can suppress all kinds of cement products within 400 mm of the length
該機最大壓力為100噸,可以壓制邊長小於400毫米的各種水泥壓製品。分享友人