main protection 中文意思是什麼

main protection 解釋
鄭護裝置
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • protection : n 1 保護，保衛，防禦，掩護，包庇，照顧 （from; against）。2 保護者，防護物 （against）; 〈美俚〉...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山（自然保護區） 、黔江武陵山（國家重點退耕還林示範縣，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，選擇了幾種重要的利用方式，包括林地、果園、耕地、棄耕地和灌草坡，採用野外巖溶生態調查和室內試驗測量分析相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對不同土地利用方式土壤肥力特徵進行量化分析，找出巖溶土壤肥力差異的主要方面及其根本原因，論文主要從土壤剖面物理退化指標（有效土層厚度、有機質層厚度、質地、團聚體、水分含量等） ，化學肥力退化指標（有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等） ，樣地土壤微生物指標（細菌、真菌、放線菌數量及總量）以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究，為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. To avoid the retardation of flood water, improve the discharging conditions and reduce flooding frequency and flowage damage on flood retarding basins, huai river commission made a decision to adjust and regulate the middle courses of huai river. the authorial thesis is based on the main part of huai river flood - protection planning, i. e., the flood - protection planning of huai rivers middle courses. author of thesis participated in the drawing up and the administrating of the plan

    為了擺脫中、小洪水行洪不暢，減少行、蓄洪區在中、小洪水條件下的行洪機遇，淮河水利委員會在淮河流域總體防洪規劃中，決定重點解決淮干中遊河道防洪問題，論文作者親自參與制定了淮河中、上遊河道防洪規劃制定工作，並組織、領導規劃中各項骨幹工程的施工建設，前後數年之久。
  3. On the basis of the government ' s policy of revitalizing the northeast old industrial base, preventing black earth from degeneration and strengthening protection of black soil in china, according to analysis of the distribution of black soil and the present research of black earth degeneration, the author summarized the main degradation type of black earth, revealed main reasons for its degradation, put forward some measures to prevent black earth from degrading and protecting black earth in addition, the author put forward the new and further direction to study the degradation of black earth on the basis of the existing study, and hope to play a role of inducing purpose in assuring sustainable utilization of black earth resource and furthering study

    在國家振興東北老工業基地和防止黑土退化及加強黑土保護之際，通過對黑土分佈狀況和黑土退化研究現狀的分析，總結出黑土退化方式，揭示了其退化的主要原因，提出了防止黑土地退化和保護黑土地的措施，在現有研究的基礎上提出黑土退化研究的新方向，希望能為黑土資源可持續利用和進一步研究起到拋磚引玉的作用。
  4. Unfortunately, there was still light pollution although technology was improved many times. to ensure environment protection, wanbao company decided to remove all the old product lines and reinstall the product lines of oxide electrolysis. the total set is 30, and equipped with two 25kg vacuum induce stoves, the yield is 1400 mt per year. the main production are low - zinc low - magnesium lanthanum metal, low - zinc low - magnesium mischmetall, neodymium metal, didymium metal, yttrium metal, dysprosium metal etc

    多年來，萬寶公司一直從事氯化物電解生產，雖經多次環保治理，仍有一定污染，為確保綠色環保生產，公司決定將原有生產線拆除，全部改裝成氧化物電解生產，總臺數為30臺，年產量為1400噸，同時配備兩臺25kg真空感應爐。主要生產低鋅低鎂金屬鑭低鋅低鎂混合稀土金屬金屬釹鐠釹金屬
  5. There are 36 senior professional technicians and 28 foreign trade businessmen, design, group are integration of design, exploiture, production, sale and serivce, main products are medium or high level eider clothing, winter protection clothing, pants, playsuits, leisure clothing and frocks etc. products are sold in america, japan, france, south korea etc countries, and sole inside the country, such as shenyang, haerbin, taiyuan, zhengzhou, hangzhou etc big cities, we have strong large - scle superority

    本公司擁有服裝高中級專業技術人員36人，外經貿業務人員28人，系服裝設計、開發、生產、銷售、服務全方位、一體化，主要生產高中檔羽絨服、防寒服、西褲、運動裝、休閑裝、樗服、以及工裝等，產品主銷美國、日本、法國、南韓等國家，內銷沈陽、哈爾濱、太原、鄭州、杭州等大中城市，具有較強的行業規模優勢。
  6. Both of the protection use high frequency distance or directional protection as main protection, and use distance protection adding current protection as reserving protection. this dispositon assured relay protection ' s four features : election, sensitivity, instancy and reliability

    每套保護大多以高頻距離、高頻方向保護作為快速切除區內故障的主保護，而以距離保護和零序保護作為后備保護，保證了繼電保護的選擇性、靈敏性、快速性、可靠性。
  7. Distance protection, which works as main protection of transmission line, is an essential protection type

    距離保護作為電力系統重要元件之一（輸電線路）的主保護，是一種十分重要的保護類型。
  8. At present, differential protection is often used as the main protection for traction transformers. however, the existing of certain factors, such as magnetizing inrush, over - excitation, ct saturation and mismatching of ct ratio, will result in that it is hard to distinguish state current and fault current, and differential protection misoperation or maloperation, then secure operation of electric railways system will be threatened

    目前，牽引變壓器通常採用差動保護作為主保護，但是在某些因數的影響下差動保護並不能準確的區分牽引變壓器內部故障或非內部故障，如故障電流與變壓器處于勵磁涌流、過勵磁， ct飽和及ct變比不匹配等情況下的狀態電流就很難準確的區分，可能造成保護誤動或拒動，從而危及整個鐵道電氣化系統的安全運行。
  9. As we know, overspeed protection system is one of main protection of steam turbine sets. base on the standing order, we must do oil filler test regularly, but the oil filler test of the emergency stop system, which made by shanghai turbine company ltd., is often fails in stroke

    超速保護系統是汽機主要保護之一，根據規程規定，要定期進行注油試驗以驗證超速保護的可靠性，但上海汽輪機廠所產的危急遮斷器在注油試驗中經常拒動，導致在運行中無法進行注油試驗，無法驗證超速保護系統的可靠性。
  10. The main protection system in the sole makes our boot very flexible and manoeuvrable compared to other anti - personnel landmines boots currently available in the market

    靴底的主要保護結構使我們的靴子與目前市場上供應的其他防雷靴相比，顯得更柔軟及靈便。
  11. Sampling rate is 32 points per cycle, parallel real - time calculation could be done for all relays ( including main protection, back - up protection, and abnormal operating protection ) within one sampling period, so makes it has very high reliability and speed of action

    裝置采樣率為每周32點，且在每個采樣間隔內對所有繼電器（包括主保護、后備保護、異常運行保護）進行并行實時計算，使得裝置具有很高的可靠性及動作速度。
  12. The adaptive protective relays categorically sets up the math model and realized theory of adaptive relay protective settings calculation. the calculation of complex faults solves the computation of all kinds of faults involved in power network. the coordination of directional protective relays in multiloop networks solves the calculation of break points set and the coordination of main protection with backup protection

    其中自適應定值計算和管理問題分類建立不同元件（線路）自適應繼電保護定值計算的數學模型及其實現的理論；復故障計算問題解決了計算電網中各種故障（包括短路、斷線）的計算問題;復雜環網的保護配合問題解決了大規模復雜環網斷點的求取以及主/后備保護整定配合的問題。
  13. In our protection device, can is used for the communication of double mcu, one is the main protection mcu, which gathers the analog data, drives the switch - out and switch - in circuit, the other is managing mcu, which takes charge the person - computer dialogue and the communication with the outside devices

    本文採取硬體時鐘方式為數字保護裝置提供時鐘顯示，利用iic與時鐘晶元pcf8583的通信，直接取得對pcf8583進行時鐘校正和獲取時鐘，並對軟體時鐘進行修改。
  14. The modification of main protection in hubei electric power system was summarized and a comprehensive review of its future development was made as well

    摘要對湖北電網的主要保護改進情況進行了綜述，並對未來保護的發展作了綜合性的評述。
  15. At last, according to a actual power system relay values calculation case, which is realized on the basis of our theory, the validity and practicability of adaptive calculation and management are proved in practical production and operation of power. index terms : adaptive technology, protective relay setting calculation and management, complex fault, mutiloop network, the coordination of main protection with backup protection

    最後，我們結合我們利用本文所介紹的理論實現的一個具體電力系統的定值整定計算和管理的實際例子，驗證了利用自適應技術建立的繼電保護定值計算和管理在實際電力生產和運行中的有效性和實用性。
  16. For fire grounding, grounded impedance varies greatly because of air dissociation, and this causes protection set to startup and resume again and again. therefore, the main protection of the fault line ca n ' t cut off the fault quickly and accurately, and may lead to overstep tripping of near lines " protection sets and eventually cause more serious faults on the power system

    同時故障電流一般比較小，電流突變也很小，有時呈緩慢上升的變化趨勢，對火焰接地來說，由於空氣游離的緣故，接地阻抗變化很大，使現有保護反反復復啟動、恢復，可能會導致相鄰線路、設備的保護越級跳閘，使電力系統出現更嚴重的故障。
  17. The law of bankruptcy is an important part of economic law system in the country, which makes a main protection to the development of market economy

    破產法是國家經濟法津制度的重要組成部分，對市場經濟的發展起著重要的保障作用。
  18. From the point view of a high power station ’ s protection scheme, its main protection is rather mature and reasonable

    對于其中的主保護，在原理和配置方面都已經相當完善而且合理。
  19. The third part : the legal experience of wto ' s other main protection of consumers " rights and interests of member states

    第三部分， wto其他主要成員國消費者權益保護的法律經驗。
  20. This paper introduces the basic configuration and the main protection methods of the subway dc protection system, and analyzes the digital control logic of the dc protection system, accompanying with its protection and control functions

    介紹了地鐵直流保護裝置的基本結構和主要保護方法，結合其保護與控制功能，分析了直流保護裝置的數字控制邏輯。
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