first piston 中文意思是什麼

first piston 解釋
第一活塞
  • first : adj 1 最初的,最早的。2 最上等的,第一流的。3 基本的,概要的。4 高音(調)的。n 1 最初,第一;第...
  • piston : n. 1. 【機械工程】活塞。2. 【音樂】(管樂器的)直升式活塞。
  1. In the first fire - engines, a boy was constantly employed to open and shut alternately the communication between the boiler and the cylinder, according as the piston either ascended or descended

    最初的蒸汽機,原需僱用一個兒童,按活塞的升降,不斷開閉汽鍋與汽筒間的通路。
  2. The metro first experimented with russian - designed oil - filled wick - type lubricant, and traditional north american piston - type wayside lubricators

    地鐵公司首次嘗試由俄羅斯設計的充油芯型潤滑劑,以及傳統的北美活塞式軌旁潤滑器。
  3. In chapter 4, for the first time, in the way of virtual malfunction simulation, cooling water of diesel engine type 4135 has been simulated under the stopping water supply malfunction. and the analysis and discussion has been taken on the result of transient temperature curve of the simulation. and in the same way, internally cooling oil piston of diesel engine type 180 has been numerically simulated on the virtual thermal loading mal

    得出了虛擬其斷水故障模擬的瞬態溫度曲線結果,並對其進行了分析和探討;同時也用虛擬模擬的思想對180型柴油機內油冷活塞進行了虛擬其熱負荷故障的數值模擬,得出了其在斷油情況下和超負荷運轉情況下的分析結果。
  4. For the first time, it puts forward a conception of. thermal dynamic simulation and sets up a supposed analytical theory for scuffing failure and cylinder scoring of piston assembly and cylinder liner. that is followed with the simulation of scuffing failure and cylinder scoring of internal combustion engine under the condition of stopping cooling water supply and over loading

    首次提出了熱動態模擬的概念,第一次大膽假設了活塞組、缸套擦傷、拉缸時的分析理論,模擬出了在中斷冷卻水和超負荷狀態下柴油機的擦傷、拉缸。
  5. Enzo fini. the first piston - compressor designed with belt drive

    第一臺帶皮帶驅動設計的活塞式空壓機誕生。
  6. Development for this plane began as early as 1938 and the first prototype made its maiden flight still propulsed by a piston engine in april 1941. the first jet powered version flew in july 1942

    Me262的開發始於1938年早期,第一架原形機在1941年4月首次試飛,由一臺活塞式發動機推進,第一架使用噴氣式發動機推進的型號於1942年7月首飛
  7. At first reviewing the history of strategy management ; on the basis of analyzing the external environment and industry competition situation of this enterprise and analyzing its advantages and disadvantages. internal abilities, the paper points out the suitable development strategy for this enterprise - - the single - crop farming strategy concentrating its attention on piston ' s research and development producing and selling ; it should take advantage of established market network and good reputation on brand and select the style of initiative attack market leader strategy as its basic strategy ; meanwhile, it suggests that the enterprise should cultivate its own new core competence in the field of the piston ' s researching & designing rely on japanese and german technique ; according to the specific product ' s marketing status, it should acquire and maintain competitive advantages by adopting the low cost strategy and differentia strategy on the different products ; quicken the product configuration adjustment, enlarge the productivity of diesel oil piston ; it should establish strategy cooperation partnership with those strong domestic and foreign main engine manufacture enterprises. finally, the paper gives suggestions on organization structure system innovation, human resource management and exploitation, market management, quality management, information construction in the course of the enterprise strategy being implemented

    首先回顧了戰略管理理論的發展演變歷程;然後通過對該公司的宏觀環境、行業競爭態勢以及企業的優劣勢、內部能力等方面的分析,在此基礎上提出了適合該企業發展的戰略? ?專注于活塞產品的研製、開發、生產、銷售的單一經營戰略;充分發揮企業現有的在營銷、品牌方面的優勢,選擇積極進攻類型的市場領先者戰略作為其基礎戰略;並且提出了依託來自日本和德國的先進技術,培育企業在活塞產品設計、開發方面的新的核心競爭力的思路;根據產品市場的具體狀況在不同的產品線上分別採取成本領先及差異化戰略獲取和保持競爭優勢;加快產品結構調整,擴張柴油機活塞的生產能力;與實力強大的國內外主機企業建立戰略協作夥伴關系;最後對企業戰略實施中的組織機構、制度創新、人力資源管理與開發、市場營銷管理、質量管理、信息化建設等重要問題提出了自己的見解和建議。
  8. The thermal state of the piston has been studied under the thermal shock in the first time. the lumped parameter system of the temperature has been established under the triangle rectangle and instantaneous impact. and the simulation results also have been got

    首次建立了活塞在受到矩形波、三角形波、瞬態沖擊等熱激勵時的溫度變化的集總參數模型,進而獲得了在上述熱沖擊下活塞溫度的解析解及穩態解。
  9. First, several methods of processing traditional digital signal applied in the machine fault diagnosis are discussed in the paper. then it turns to the analysis on time and frequency, to the different sound signals of a rolling piston radial pump, under both in normal and abnormal conditions

    首先討論了機械設備故障診斷中所需的傳統數字信號處理的幾種方法,然後對一臺柱塞泵在泄漏故障和正常狀態下的聲音信號進行了時、頻域內的分析。
  10. The first emphasis of the thesis is the failure analysis of hydraulic axial piston pump, the second is the example about the high temperature analysis of the k3v112dt type double pump

    其中論文主要集中在液壓軸向柱塞泵的故障理論分析及實踐中k3v112dt型雙朕泵溫度過高故障的實例分析上。
  11. First, the difference between the stm and utm is compared and analyzed. the results show that it can accurately simulate the unsteady flow process of piston wind and the pollutant distribution in tunnel after train left the tunnel, can analyze and calculate the good effect of inertial action of piston wind if using utm

    文中首先分析和比較了傳統隧道通風設計所採用的恆定流理論與非恆定流理論的差別,表明運用非恆定流理論不僅更能準確模擬隧道內活塞風的非恆定流動過程,而且能模擬列車通過隧道過程中隧道內污染物濃度的分佈,同時還能考慮利用隧道內氣流(活塞風)慣性作用促進隧道通風,節約通風能耗。
  12. The mechanical model of panel flutter considering thermal effect is established by the use of von karman large deflection strain - displacement formulations, quasi - steady first - order piston theory aerodynamics and quasi - steady thermal stress theory. ( 3 )

    採用vonkarman大變形應變?位移關系、基於一階活塞理論的氣動力公式以及準定常的熱應力理論建立了考慮熱效應時復合材料壁板顫振的力學模型。
  13. 4. the first thermal shock stand in china has been developed. it has creation on simulation thermal state of the piston and control methods

    在該試驗臺上獲得了6150柴油發動機活塞熱沖擊的試驗數據,為活塞熱沖擊和熱疲勞研究提供了有力的手段。
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