mechanical efficiency 中文意思是什麼

mechanical efficiency 解釋
邊際效率
  • mechanical : adj 1 機械的；機械制的。2 機械學的，力學的；物理上的（opp chemical）。3 機工的，技工的；自動的；...
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  1. Analyzing and experimentally verifying the strain transducing characteristics of strain sensor. experiments tell that strain sensor capsulated by thin sheet metal can effectively transduce strain under certain mechanical robust with strain transducing efficiency of 97. 8 %, sensitivity of 83. 34 / kg, precision of 1. 64

    實驗結構證明，用薄金屬片封裝的應變傳感器在保證一定機械強度的基礎上實現了應變的有效傳遞，應變傳遞效率可達97 . 8 % ，應變靈敏度為83 . 34 / kg ，精度為1 . 64 。
  2. It holds that the complicated mechanical driving system will be replaced by the advanced electronic system, the mechanical structure be futher improved and a new type of electro - mechanic combing machine characteristics of high performance, high efficiency and high automation be soon come into the world

    認為現行復雜的機械傳動方式將會被先進的電子傳動替代，機械結構將得到改進，近年內將出現高性能、高效率，機電一體化和自動化程度更高的新型精梳機。
  3. This drilling adopts crank connecting link and walking beam percussion mechanism, which make the drilling possess two percussive functions, normal drilling takes connecting link impact as main mode, when encountering special situation and the connecting link impact can not drill, it can transform into hoisting impact, the stroke length can be modulated, it realizes automatic percussive drilling due to continuous operating of connecting link percussive mechanism, these can enhance drilling efficiency and relieve labor intensity ; it adopts pumping reverse circulation to drain slag, which not only resolves the drilling difficulty in special stratum such as pebble and gravel stratum and hard stratum, but also resolves the problem that the percussive drill ' s efficiency is low ; it adopts spur gear differential mechanism as double cylinders lazy tongs of main hoist, which not only ensures the balance state of drilling tool, but also reduces the mechanical design, and reduces the cost ; the bottom plate traveling motion of this drilling machine adopts walking type ; the drilling tower adopts hydraulic pressure uprising, and reduces the assistant operating time

    該鉆機採用曲柄連桿、游梁式沖擊機構，使鉆機具有兩種沖擊功能;正常鉆進以連桿沖擊為主，遇到特殊情況，用連桿沖擊不能鉆進時，可轉為卷揚沖擊，沖程可調，因連桿沖擊機構連續工作，所以實現了自動沖擊鉆進，可提高鉆進效率，減輕勞動強度;採用泵吸反循環的方式排渣，既能有效解決卵礫石地層、堅硬地層等特殊地層鉆進的困難，又很好地解決了沖擊鉆機效率低下的問題;採用直齒圓柱齒輪差速機構作為主卷揚的雙筒同步機構，既保證了鉆具處于平衡狀態，又大大簡化了該機構設計，降低了成本;該鉆機底盤行走移位採用步履式;鉆塔採用液壓起立，減少了輔助作業時間。
  4. The structure and the construction method of a new type of fascine are introduced herein, of which the advantages are as the follows. ( 1 ) the shortages of the complicated construction process and low construction progress with low efficiency are overcome. ( 2 ) the fascine cage can be industrially made, so as to reduce the working procedure in site. ( 3 ) the heavy construction equipments can be used for the mechanical construction of the single large size fascine cage with high construction speed and intensity. ( 4 ) it is favorable to the environment protection as the amount of the fascine material being decreased

    摘要介紹了新型埽工籠埽的結構形式、施工方法，其優點為： （ 1 ）克服傳統埽工施工工序復雜、速度慢、效率低的缺點； （ 2 ）籠埽可工廠化生產，減少現場作業工序和作業面后移； （ 3 ）充分利用大型施工機械進行大體積單個籠埽結合機械化施工，作埽速度快、強度高； （ 4 ）減少柳料用量，利於環境保護。
  5. The shortage of this kind of system is that the mechanical frictional waste and noises are n ' t neglectable. this results in the low efficiency and the short life of the equipment so that it ca n ' t guarantee the reliability of the system for long term running

    過去，物流傳輸系統由旋轉電機驅動，其缺點是機械磨損和噪音較大，這使得設備的效率不高，使用年限不長，無法保證系統長期運行的可靠性。
  6. Owing to its excellent adaptability to large angle - displacement between two transmission shafts and other characteristics such as large transmission ratio, terse mechanism, high transmission efficiency, cardan cross - pin spindles has been widely used as an important mechanical part in transport machines, metallurgy machines, petrolic machines, heavy machines, etc. as an effective and promising approach to resolve complicated development of modern software, component - based development ( cbd ) is put forward to change the present way of software development by producing software through assembling ready software components and its final target is to realize the industrialization of software development totally

    十字軸式萬向聯軸器能夠很好地適應傳動軸間的較大角位移，而且具有傳遞扭矩范圍大、結構緊湊、傳動效率高、維修保養方便等特點，是一種重要的傳動部件，因此在交通運輸、冶金、重型機械等領域中得到廣泛應用。基於組件的開發是近幾年發展並日益成熟起來的一種軟體開發新方法，其核心思想是以流水線方式、通過組裝組件生產軟體，從而容易實現軟體開發的工業化。
  7. Abstract : the mechanical structure of washboard valve leveler is introduced, the alignment mechanics of curving bar and hemilateral pan of the valve is analyzed, the mechanical, the shape of washboard and the effect of alignment quality and efficiency cause by shrink - adaption range of the valve between two washboard are discussed

    文摘:介紹了搓板式氣門校正機的機械結構，分析了氣門桿部彎曲校直和盤部偏歪校正的機理，討論了機器結構，托板形狀和氣門在兩搓板間的過盈配合量對校正質量和效率的影響。
  8. Our company specializes in gilding press, heat to transfer to such mechanical manufacturers as the printing machine, branding machine, etc., ten has been over the past over years, the steady, safe and durable machinery that producing the quality by innovating the idea developed constantly, well received by customer, and offer the manufacture of the special specification and development of the peripheral equipment to let customers have perfecting even more, more high - efficiency quality and can produce to all kinds of products different characteristics of the customer

    崇一機械有限公司是專業生產燙金機、轉印機、熱轉印機、烙印機、燙印機等機械製造商，十餘年來，不斷以創新開發的理念製造出品質穩定、安全耐用的機械，深受客戶好評之外，並針對客戶各類產品不同的特性提供特殊規格的製造及周邊設備的開發設計讓客戶有更完善、更高效率的品質和產能。
  9. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究，實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中，並形成聚並所致。強湍流運動可以抑制taylor泡的形成。因此，通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。
  10. This method is of high reliability and efficiency. it ' s regarded the one of the best designing method nowadays. to choose the best parameter of frication piece and make sure that the cloth ' s mechanical function is the aim of friction piece ' s parameter priority

    為了圓滿解決上述兩個問題，本文採用廣義既約梯度法對摩擦片參數、變速器傳動比及變速器二軸六檔齒輪進行了優化設計，該演算法可靠性和效率都很高，是目前公認最為優秀的優化方法之一。
  11. It can reflect mechanical characteristics of geological model for the field of geostress in the oil field correctly and truly. it has very high efficiency also

    它能較準確地反映油田應力場地質模型的力學特性，精度高，也有很高的效率。
  12. In the last, the modern control theory and simulink in matlab have been integrated together, and it has been applied in active control of the platform structure elastically supported ; a mechanical model and an equation of motion in state space have been established. based on coc, dynamic response of the platform structure elastically supported has been studied under simple harmonic load ; the influence of different values of weight function to the active control efficiency of the structure has also been discussed

    本文還將現代控制理論與matlab的simulink動態模擬軟體包相結合，將其應用於彈性支承平臺結構的主動控制中；建立了彈性支承平臺結構主動控制理論的力學模型和狀態空間內的運動方程；應用經典線性最優控制演算法對彈性支承平臺結構在簡諧荷載作用下的動力響應進行閉環控制；分別從理論和數值計算兩個方面討論了狀態權函數矩陣q和控制權函數矩陣r的不同取值對控制效果的影響。
  13. Design engineers now selecting pmbldc motors over conventional dc or induction motor drives for the following reasons : 1 ) the absence of brushes results in an essentially maintenance free operation and eliminates the undesirable effects of commutation such as sparks, brush - loss, radio - frequency interference, etc. 2 ) the low inertia of the rotor enhances the quality of the mechanical response of the motor, shortening the acceleration and deceleration time. 3 ) utilizing rare - earth permanent magnet materials with high coercive force results in substantially higher efficiency than their counterpart with brushes of the same size. 4 ) because of the absence of commutation segments, the stator construction is simple

    現在的工程師們更為青睞永磁無刷直流電動機是因為以下幾點原因： （ 1 ）去除了電刷的永磁無刷直流電動機徹底地免除了維護而且消除了我們不希望的由於換向帶來的火花、電刷損耗以及無線電干擾等等； （ 2 ）低轉動慣量的轉子提高了電機機械響應的質量，從而縮短了電機加速和減速的時間； （ 3 ）高矯頑力稀土永磁材料的使用使得同樣尺寸的永磁無刷直流電動機比傳統的直流電動機效率高； （ 4 ）由於沒有機械換向部分定子的結構簡單了。
  14. High - efficiency heat recovery is the key benefit of mechanical ventilation over conventional natural ventilation

    有效地抵禦熱量是機械通風相對于傳統的自然通風最重要的優勢。
  15. Coefficient of mechanical efficiency

    機械效率系數
  16. Acoustic mechanical efficiency

    聲機械效率
  17. The study on the ae, which has a history of about 100 years, can be roughly divided into 3 stages, with mechanical efficiency, social efficiency and standard efficiency as its study subjects respectively

    第一部分：簡要闡述行政效率研究的歷史與現狀。行政效率的研究經歷了約一百年的時間，主要分為機械效率、社會效率和規范效率三個階段。
  18. Due to the low mechanical efficiency and long circulating period of the down - charging system of cold bed in bar production line, this paper puts forward the improving project, which adopts ethernet supplemented by dp network, applies the fm350 - 2 advanced counter and suitable maths model and combines the technique of the transducer and hydraulic pressure drive control to realize auto - control

    摘要針對棒材生產線上冷床下卸鋼系統機械效率低、運行周期長，不能適應快節奏生產的現狀，採用以工業以太網為主、 dp網為輔的網路通訊，應用西門子fm350 - 2高速計數器，通過有效的數學計算模型，結合變頻器和液壓傳動控制技術，實現網路自動化控制。
  19. So it is very important to enhance equipment and lease management, select exactly equipment, use reasonably and maintain in time, so as to improve the rate when equipment are in good condition, and enhance mechanical efficiency, take technological transformation and innovation in time, complete the constructing duty fast and economically, heighten the economic benefit

    因此，加強建築設備租賃設備管理，正確選擇設備，合理使用及時維護，從而不斷提高設備的完好率、利用率，提高機械效率，並及時地對現有設備進行技術改造和更新，多快好省地完成施工任務和提高企業的經濟效益都具有十分重要的意義。
  20. Driving system consists of gearwheel box, universal shaft couplings and an arc - gear synchronous belt with perfect driving accuracy and high mechanical efficiency. so the mechanical consumption is small

    傳動系統採用齒輪箱、萬向軸聯軸器、圓弧齒同步帶相結合，同步性高，機械損耗小。
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