front pressure 中文意思是什麼

front pressure 解釋
波前壓力
  • front : n 1 前部,前面;正面;(劇場的)正面[前面]座位〈也可指全部觀眾席位〉 (opp back rear)。2 【軍事...
  • pressure : n 1 壓;按;擠;榨。2 【物理學】壓力,壓強;大氣壓力;電壓。3 精神壓力,政治[經濟、輿論等]壓力。4...
  1. Pressure gauges in our standard range with triangular bezel or front mounting flange

    三角企口溝緣或前固定法蘭的標準壓力表。
  2. The latest members of the extreme pressure gauge line - up available from tecsis are two new gauges with connections at the rear. thus, no longer is there any obstacle to troublefree integration of pressure gauges in control panels, with the option edge front rear also in the extreme pressure range

    Tecsis極高壓力表的最新成員是兩個在尾端帶有連接裝置的壓力表,因此,它們可以方便地和控制板連為一體,而不會有任何障礙。
  3. Electronic pressure switch with front flush diaphragm for gauge pressure

    電子壓力開關,前置式膜片,用於測量表壓
  4. The result is that this gas pool has simple structure, only forms a little nose - like structure at the district of fenghuangshan ; this pool belongs to delta front sub - facies sedimentary model, the underwater distributary channel and mouth bar is the better sedimentary microfacies ; the physical property of the reservoir is poor, the type of pore of the reservoir rock mostly are intergranular pore, intergranular solution hole and little are intercrystalline micropore ; the influential factors of pore structure and physical property are lithofacies, lithologic character and diagenesis ; the off - take potentia of all the testing well are deadly shortness, the wells have the worth of industrial recovery only under the condition of going through sand fracturing, and in the early of binging into production, the oil and sheath pressure drop rapidly, the production of the well drop rapidly

    研究認為該氣藏構造簡單,只在鳳凰山形成了一個小型的鼻狀構造;屬於三角洲前緣亞相沉積模式,水下分流河道和河口壩是有利的沉積微相;儲層物性差,儲層巖石的孔隙類型主要有粒間孔、粒間(內)溶孔及少量晶間微孔;影響蓬萊鎮組氣藏儲層孔隙結構及儲集性的因素有巖相、巖性條件及成巖作用;所有測試井自然產能都極低,必須經加砂壓裂后才有工業開采價值,且投產初期,油套壓下降較快,氣井產量下降迅速。
  5. Remove both sway bar bearing caps and apply grease to the front pressure points. see pictures below

    取下兩個防傾桿蓋,並在前壓力點塗上潤滑油,見下圖。
  6. Atmospheric systems responsible for stratiform precipitating clouds in henan during spring and autumn are low pressure ? cold front, and surface cyclone

    造成河南春秋季層狀降水雲系的主要天氣系統有低槽冷鋒和地面氣旋兩大類。
  7. The variations in trace element contents and ratios may hold up a mirror to the lake - level fluctuations and climatic changes, which, in turn, have exerted a direct and important effect on the sequence stratigraphic development. collectively, the reservoir rocks from the yanchang formation consist dominantly of the delta front subfacies subaqueous distributary channel and channel - mouth bar microfacies and delta plain subfacies subaerial distributary channel microfacies fine - grained feldspar sandstones and siltstones. the reservoir rocks have been subjected to three stages of diagenetic and porosity evolution : ( 1 ) the porosity reduction by the mechanical compaction and chemical pressure solution during the early diagenetic stage ; ( 2 ) the porosity increase by the dissolution during the a substage of the late diagenetic stage, and ( 3 ) the porosity reduction by the cementation and filling during the b substage of the late diagenetic stage

    系統的儲層特徵研究表明,該區延長組儲層成因類型主要為三角洲前緣水下分流河道、河口砂壩及三角洲平原水上分流河道微相細粒長石砂巖、粉砂巖;儲層巖石經歷了壓實,膠結,溶蝕等成巖作用,歷經早成巖機械壓實和化學壓溶孔隙縮小期、晚成巖a亞期溶蝕作用孔隙擴大期及晚成巖a亞期( b亞期)膠結充填孔隙縮小期三個成巖-孔隙演化階段;儲層物性總體上具有較低孔滲、低孔滲的特點,孔隙類型主要為粒間溶孔、殘余粒間孔隙、粒內溶孔、晶間孔及晶間溶孔,裂縫不發育,儲集巖排驅壓力和中值壓力較高,孔隙結構類型以細小孔-微孔隙,微細喉-微喉型為主。
  8. The rock types comprise the delta front subfacies subaqueous distributary channel, channel - mouth bar and distal bar microfacies, and delta plain subfacies subaerial distributary channel microfacies sandstones and siltstones. as for the reservoir quality, the subaqueous ( subaerial ) distributary microfacies channel sandstones are the first, the channel - mouth bar microfacies sandstones come second, the distal bar microfacies sandstones is the third, and the last one is the interdistributary bay microfacies sandstones. the intense compaction, pressure solution and late carbonate cementation are responsible for the reduction of the porosity and permeability of the reservoir rocks

    三角洲前緣水下分流河道、河口砂壩、遠砂壩及三角洲平原水上分流河道微相決定了儲集巖的發育,分佈及原始物性條件;水下(上)分流河道微相砂體厚度大、物性和孔隙結構好,次之為河口砂壩微相砂體,遠砂壩微相砂體儲集性較差,而分流伺灣微相砂體物性和孔隙結構最差。
  9. A creaking noise can be heard from the front suspension, particularly at manoeuvering speed and over uneven gradients imposing torsional pressure to the sway bar ( anti - roll bar )

    從前懸架下可以聽到一種吱吱嘎嘎聲音,尤其是在操縱速度下和經過不平坦的斜坡時,此時會給防傾桿(扭力桿)施加扭轉壓力。
  10. The diagnostic analysis for the sandstorm process on the base of height, temperature, pressure and wind etc output from the model shows that the upper cold trough, low - level wind shear, surface cold anticyclonic ridge, mesoscale cyclone and cold front are the main synoptic systems, surface cold anticyclonic ridge and cold front provide condition of wind force to occurrence of the sandstorm weather, the strong mesoscale cyclone before front makes pressure gradient before and after cold front obviously strengthen, moreover, and it increases obviously the temperature of the controlled area, as a result, the updraft movement caused by convergence before front strengthens

    500hpa強鋒區、 700hpa切變和鋒前中尺度系統的強弱及位置變化是沙塵暴天氣發生發展到減弱的直接原因。地面冷高壓、地面氣旋及冷鋒是造成本次沙塵暴天氣的主要地面天氣系統。地面冷高壓及冷鋒為沙塵暴天氣的發生提供了風力條件,而中尺度氣旋使冷鋒前後氣壓梯度明顯增強外,又使所控制的區域增溫明顯,使鋒前輻合上升運動加強,為沙塵暴天氣的發生提供了熱、動力條件。
  11. After the introduction of the selected elements, the thesis gives out a design which includes a front control center based on siemens s7300 plc 、 a line connection of the master profibus and the distributed intelligent i / o et200m system 、 a real - time display system of pressure sensors and a gas supply system with stop valve and electric actuator

    本文在介紹了所選擇器件情況基礎上,設計了基於siemenss7300plc為前端控制中心,利用profibus總線接分散式智能i / o et200m系統,壓力傳感器現場顯示,截止閥加電動執行器實現配氣的方案。
  12. Formation and application of the front abutment pressure on longwall face

    論采場前方支承壓力的形成及應用
  13. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性,動葉吸力面尤其明顯;氣膜孔流量系數隨吹風比的增加而增大,在高吹風比情況下,流量系數逐漸趨于常數;在不同型面區域,冷卻效率分佈有較大的差異,而且吹風比與主流雷諾數的影響程度也不盡相同;低吹風比下,孔出口下游附近可以得到較好的冷卻,中、高吹風比下,冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻,孔下游較遠區域可以得到較好的冷氣覆蓋。
  14. The front flush pressure diaphragm avoids zones, in which medium could crystallize or residues could form, thus ensuring trouble - free pressure measurement and hygenic cleaning of the pressure sensor

    前置的壓力膜片可以避免介質結晶或殘留產生的空間,這樣就可以保證精確的測量和傳感器的衛生清潔。
  15. Press in front and back and press the rubber mold of the side through the special design, be applicable to various shoes and heels of shape, need not adjust. press the side organization adopts the automatic balance memory to take shape the design, make the strong dint of shoe sole and shoe tops sticks to match, don ' t whole the orgnaization design of the degree, strength the shoe sole to stick to match the degree, press the pressure of the pressure of the bottom adjustabel whole, make light shoes sole press tight and will not transform

    壓前後和壓邊的橡膠模經特殊設計,適用於各種鞋子及後跟形狀,不必調整.壓邊機械採用自動平衡記憶成型設計,使鞋底與鞋面強力貼合,不留空隙.壓底機械採用可調整鞋頭翹度的機械設計,增強鞋底的貼合度,壓底的壓力可調整,使軟性鞋底的壓著密合且不會變形。
  16. The front wall is still subjected to wind pressure, although the back wall is shielded from it.

    正面墻仍然受到風壓作用,盡管后墻因受到掩蔽不會受到它的作用。
  17. During the 3d finite element calculation, try to simulate different procedure of the construction ( like sunk well in - filling, main cable erection, box girder hoist, bridge flooring and opening to traffic ). and then, reveal the regulation of deformation and displacement on the foundation and soil during different period. after got these, this thesis put great attention on the analysis of the reason which cause the horizontal displacement of the cable saddle, as well as the regulation of the pressure ' s changing in the soil located on the front side of the sunk well foundation

    在三維有限元計算中,對不同工況(沉井充填、錨體澆築、主纜架設、箱梁吊裝、橋面鋪裝以及通車運營)下的施工過程作了模擬,全面揭示了各工況下錨碇沉井基礎與地基土的變形變位規律,著重分析了影響散索鞍水平位移的因素以及不同工況下沉井前測地基土水平向抗力變化規律,並提出了不同深度地基土水平向抗力與水平位移間的擬合關系。
  18. Model 3132 electronic pressure switch with front flush diaphragm for gauge pressure

    E電子壓力開關,前置式膜片,用於測量表壓
  19. Research on hydraulic pressure stepless adjustment of front - wheel tread of mount tai - 25 tractor

    25拖拉機前輪輪距液壓無級調整的研究
  20. The numerical simulation and experimental research made on the characteristics of the clearance cavitations in kaplan turbine are described herein ; in which the analysis mainly is concentrated on the characteristics of leakage - vortex caused by the flow of the clearance between blade tip and blade chamber, that occurs at the front - pressure side of the blade, and the intensity of the secondary - flow - vortex ; furthermore, the relationship in between the leakage - vortex, secondary flow vortex, cavitations and erosion are analyzed as well

    摘要對軸流轉槳式水輪機輪緣間隙流動及空化特性進行數值模擬和試驗研究,重點分析輪緣間隙流動在正面頭部泄漏流動所引起的泄漏渦帶、二次流動的漩渦強度和空化特性,以及泄漏渦帶旋轉、二次流動的漩渦與空蝕和磨損之間的關系。
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