maintenance frequency 中文意思是什麼

maintenance frequency 解釋
維修頻度
  • maintenance : n. 1. 保持,維持,保養;保管,保存,維護,維修;繼續;支持的手段。2. 堅持;主張;擁護,支持。3. 扶養,供給;生活,生計。4. 【法律】對訴訟一方的非法援助;依法應負的對他人的贍養義務。
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  1. 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。
  2. Maintenance on line to rail with high frequency inverter dc welding machine

    高頻逆變焊機用於鋼軌及轍叉線上焊補與維護
  3. Control circuit theory and maintenance technology of home frequency conversion air - conditioner

    家用變頻空調器控制電路原理與維修技術
  4. Organisation audit : it reviews the content and frequency of the preventive maintenance, the response time to failures, the reporting, the escalation procedures, the follow up of the issues, the structure of the maintenance organization, the spare part management, the adaptation of the maintenance to the machine specificities and history

    系統核查:審核定期檢修的內容和頻率、故障反應時間、報告、擴張程序、事項的跟蹤、檢修程序的結構、備件的管理、檢修是否與機器的性能和歷史相符合。
  5. Radio induction is mainly studied in this paper, the traditional radio induction technology has simple structure, lower cost, convenient maintenance and higher location resolution and measuring velocity, but its anti - interference is lower. new radio induction system is proposed in this paper, it has excellent anti - radiated interference of any frequency ( it should be declared specially that it includes the anti - interference of the same frequency ) ; because of its hi gh frequency - pass function, the new radio induction system has less affection excited by the conductive interference

    本論文提出的新型無線感應系統對外界所有頻段上輻射干擾(特別強調的是包括同頻干擾)具有較理想的抗干擾能力;由於新型無線感應系統起高通濾波作用,傳導干擾對它的影響可以忽略,因此新型無線感應系統具有較理想的抗干擾能力,用在定位測速中具有比傳統無線感應技術高2個數量級的精度。
  6. The millimeter has the largest frequency band and the highest velocity of communication, but it has the highest cost and technical defaults : multi - path effect, reflect and scatter caused by cloud, smoke, water - dropping, the buildings, the grounds and its shape, the interference caus ed by the thunder, the complexity of device, difficult maintenance, and so on. now the band of the leakage coaxial line is up to 3ghz, leakage coaxial line has some advantages : good adaptability to cloud, smoke, water - dropping, the buildings, the grounds and its shapes, good steady field, it has some technical defaults : lower resolution for location and measuring velocity, the more complex of its sending - receiving relay devices, weak anti - interference, the strict demand for the hole size in the line, the cleaner work environment and the higher cost

    毫米波具有最大的帶寬和最高的通信速率,但也有最高的成本要求和較難克服的技術問題,即傳播的多徑效應,降水、雲霧、地形、地貌、建築物等的反射散射,打雷時的嚴重干擾,設備復雜,維護困難等等;泄漏同軸電纜的帶寬目前已做到3ghz ,具有對地形地貌建築物的適應性強,場強穩定,但它的定位測速精度低,它的收發中繼設備較復雜,抗干擾能力低,電纜上的開槽有著嚴格的尺寸要求,工作環境要求清潔,成本較高;傳統無線感應技術具有結構簡單,成本低廉,維護方便,定位精度較高的優點,但是,它沒有抗干擾能力。
  7. As the deployment of web services increases and becomes used with greater frequency both inside and outside the firewall, the traditional non - web service ways of exposing these applications and processed could lead to problems of maintenance and reliability

    隨著web服務部署的增加以及更頻繁地在防火墻內部和外部被使用,公開這些應用程序以及流程的傳統的非web服務方法可能會導致維護和可靠性問題。
  8. To compare with transistor ( complete solid - state ) high - frequency linear power amplifier, there are some disadvantages : bad stability and reliability, low efficiency, high cost for operating, huge cabinet, heavy maintenance work load, low security for high - voltage electricity offering, and to ensure the continuance of tv program, the transmitter must be operating with main frame and spare frame

    它們與晶體管(全固態)高頻線性功率放大器相比,存在著穩定性及可靠性差、效率低、運行費用高、發射機體積大、日常維護工作量大、高壓供電不安全、必須採用主機和備機的運行方式來確保電視節目不停播等缺點。
  9. Aiming at the status of large energy consumption in ship air conditioning systems, considers that energy saving and efficiency improving mainly rely on operation maintenance and management for those ships in service, while the new techniques such as variable frequency of compressors and fans and electric expand valves to control refrigerating output should be introduced to reduce energy consumption for new built or refitted ships

    摘要針對船舶空調系統能耗較大的現狀,認為現有船舶應立足於在運行過程中加強對系統的維護管理,以實現節能增效;新造船舶或改裝的船舶,應採用壓縮機、風機變頻技術以及利用電子膨脹閥調節製冷量,以實現更大程度的節能。
  10. With these advantages of energy - saving, low maintenance and easy automatic control, variable - frequency speed regulation technology has been widely used. the author in this master paper analyzes in detail and deeply all kinds of the speed adjustment system of portal crane at home and abroad, and confirms the scheme of variable - frequency speed regulation of m10 ton portal crane at last

    變頻調速具有節能、維護工作量小自動控制性能好等優點,得到廣泛應用。本文對目前國內外門機各種機調速系統進行了深入和詳盡的對比和分析,最終確定了m10t門機的變頻調速改造方案。
  11. The resonant frequency of the impeller blades of apu load coinpressor is a target index necessary to be controlled in the process of the maintenance of iillpeller

    Apu負載壓氣機葉輪葉片的共振頻率是維修葉輪過程中需要控制的一項指標。
  12. The c / s pattern can be used in the limited - ranged operations which are characterized by high security, high frequency of data processing, heavy transmission of data, good mutual - communication and fixed - places, such as the input and maintenance of graduate information, the management of code table, data backup and recovery. whereas, the b / s pattern can be used in the wide - ranged operations, which are characterized by low security requirement and mutual - communication, and flexible places, such as the release of requirement, the query of graduate information, on - line registration of graduate data and all kinds of query and statistic

    在安全性要求高、數據處理頻繁、數據傳輸量大,交互性強、地點固定的小范圍內的業務,如畢業生信息錄入及維護、代碼表管理、數據備份和恢復等模塊採用c s模式實現;而在安全性和交互性要求不高、地點靈活的廣域范圍內的業務,如需求信息發布、生源信息查詢、畢業生詳細資料在線登記和各種查詢、統計等模塊採用b s模式。
  13. This kind of on - load tap changer has the merits of advanced structure, operating reliably, long useful life and maintenance freely, it is suitable for oil - immersed three - phases transformer with frequency 50hz, rated voltage 35kv and below and rated current under 400a and below

    統一設計的有載分接開關,具有結構先進,動作可靠,使用壽命長,維護方便等優點,適用與50hz ,額定電壓在35kv及以下,額定電流在400a及以下的三相油浸式變壓器。
  14. It is electronic inverter that realizes constant frequency output. so the power system has advantages of facile maintenance, high quality of output, high efficiency, flexible structure et cetera, and makes both start engine and generating electrical power dual function possible. now it has become an important research direction of aero - power

    由於採用電子裝置來實現輸出頻率的恆定,因此電源系統具有易於維護、電源質量高、效率高、結構靈活等優點,並能實現起動發電雙功能,目前已成為航空電源中一個重要的研究發展方向,而且隨著電力電子技術與元器件生產工藝的不斷發展,變速恆頻電源具有廣闊的發展前景。
  15. Maintenance of intermediate and high frequency equipment at ku - band satellite earth station

    波段衛星地球站中高頻設備的維護
  16. The cnc turret press is a kind of computer controlled flexible sheet punch processing equipments. in addition to the characters of traditional cnc turret press, the hydraulic cnc turret press has the characters of high stepping frequency, simple structure, easy maintenance, safety and reliability, it has been applied more and more extensively at home and abroad

    數控回轉頭壓力機是由計算機控制的柔性板材沖壓加工設備,液壓傳動式數控壓力機除了具備傳統數控壓力機的特點外,還具有步沖頻率高、結構簡單、維護簡單、安全可靠等特點,在國內外得到了越來越廣泛的應用。
  17. Our portable compressors are designed to be lightweight yet powerful, compact, easy to manage, quiet and durable, with a very low maintenance frequency

    我們的便攜式壓縮機輕便而強勁有力,緊湊,容易使用,安靜和耐用,維修頻率低。
  18. The high frequency of zhi tone in younger females implies that regulating the small intestine meridian of hand - taiyang and heart meridian of hand - shaoyin may be beneficial to the health maintenance of younger female

    此外,年輕女性發徵音增多,徵音對應於心,提示調理與心相關的手太陽小腸經和手少陰心經可能對年輕女性的健康有所幫助。
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