protection ratio 中文意思是什麼

protection ratio 解釋
保護比
  • 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〉...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. The save energy mould pump of the corrosiveness of the ministry of industry such as chemical industry and chlorine alkali, chemical fertilizer, dyestuff, reagent, pesticide, pharmacy, electroplating and environmental protection etc door transport that pf ( fs ) mould chemical industry pump can satisfy to carry many kinds of consistency sulphuric acid, hydrochloric acid, nitric acid, acetic acid, phosphoric acid, chromium acid, oxalic acid, hydrofluoric acid and the lye, organic solvent and oxidizer geometric ratio medium under - 50 s - 80 s temperature conditions and is not han s anything small and roundish medium

    型化工泵能滿足輸送- 50 80溫度條件下的多種濃度硫酸、鹽酸、硝酸、醋酸、磷酸、鉻酸、草酸、氫氟酸和堿液、有機溶劑、氧化劑等化學介質、是化工、氯堿、化肥、染料、試劑、農藥、制藥、電鍍、環保等工業部門輸送不含顆粒的腐蝕性介質的節能型泵。
  2. 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。
  3. Advanced rechargeable lithium ion batteries are attractive for use in consumer electronic and electric vehicle ( ev ) application because of a favorable combination of voltage, energy density, cycling performance, self - discharge ratio and environmental protection

    鋰離子電池以其工作電壓高、能量密度大、循環壽命長、自放電率低、 「綠色」環保等眾多優點備受人們關注。
  4. So it is proved that the working model is right, and on the basis, the influences of the compression ratio and fuel injection advance angle on the diesel engine ' s combustion performance are studied. ( 2 ) energy resource and environment protection are two important problems that diesel engine is faced with. so in this paper the constrained optimization is studied in order to decrease fuel consumption within the limitation of the regulation on exhaust emission and power output

    （ 2 ）能源和環境保護是柴油機存在和發展的兩大問題，因此本文在滿足排放法規及柴油機動力性的基礎上，以降低油耗為主要研究目標，進行有約束條件的優化計算，並提出了一種新的柴油機工作過程優化計算方法? ?非線性回歸?網格法。
  5. Currently warsony corporation has multiple lighting source and lighting systematic product, which provides modern life with the most advanced power reduction and environmental protection technology, and pioneering environmental protection lighting fashion all over china. main products include solar energy plate with high conversion ratio, high - efficient controller and commutator etc

    公司的主要產品有：高轉換率太陽能板膠體蓄電池高效控制器逆變器大功率led等，產品運用廣泛，已普遍用於太陽能戶外照明太陽能廣告箱牌太陽能蓄電房子太陽能交通信號及監控系統及各類太陽能小禮品等。
  6. In order to improve the behavior of transformer protection that is incomplete at present in distinguishing magnetizing inrush current from fault current, the paper puts forward a kind of new principle of transformer differential protection after analyzing the characteristic of magnetizing inrush and active power consume of transformers. this protection uses differential protection based on positive sequence active power as a criterion to discriminate internal faults from magnetizing inrush, and ratio restraint differential current protection as a signal to touch off the protection

    針對當前電力系統中變壓器保護由於勵磁涌流鑒別理論不完善而導致的誤動率相對較高的問題，論文在分析了變壓器勵磁涌流特性和有功損耗的基礎上，提出了用變壓器正序有功功率差動作為區別勵磁涌流和故障電流的判據，並以成熟的比率制動差流保護作為內外部故障判據的變壓器主保護。
  7. Foreign investment, industry, import and export. it deems that the biggest shortcoming of tep is not that tax level ' s decrease shocks import and export markets, but that the ratio - grads - structure is irrationality, which results in insufficiency of protection to key parts and semi - finished products. it is just the bottleneck of the whole industry

    主要是從關稅有效保護率、外商投資、產業、進出口四方面在於關稅下調導致進口劇增沖擊了國內市場，而在於產業的關稅梯度結構不合理、對關鍵資本投入品的保護不足、技術進步緩慢從而成為整個產業發展的瓶頸。
  8. F ) to retreat cultivation 1. 467 million ha for reforestation or recovering grass. g ) attheend, to adjust the proportion of cultivated land, forest, grassland from 7 : 6 : 1 to 1 : 1. 4 : 1. 2, this proportion is reasonable ratio for land use structure. for getting the above strategy targets, we must handle of the following relations : a ) the relation between development and environment protection ; b ) the relation between population and land resources ; c ) the relation between construction and farmland protection ; d ) the relation between quality and quantity of farmland ; e ) the relation between land using and economy development ; f ) the relation between land exploitation and landscape worth maintaining, etc. for getting the above strategy targets, we must also adopt some good measures : a ) to control the construction occupying farmland ; b ) to use land intensive ; c ) to improve low - yield farmland ; d ) to make regional land resources distribution effective ; e ) to make comprehensive profit ; f ) to make family planning continually ; g ) to promote urbanization, etc. by carrying out these measures, land resources in shanxi province can be used sustainable

    同時，論文對土地資源利用潛力和未來趨勢進行了科學推理，提出了山西土地資源永續利用的戰略目標：到2015年，全省耕地面積穩定在433 . 3萬公頃左右，基本農田面積保持在366 . 7萬公頃左右，保證糧食產量100億千克；各項建設用地控制在14 . 2萬公頃，其中佔用耕地在7 . 9萬公頃，土地開發、復墾、整理補充耕地10萬公頃，改造中低產田10萬公頃，治理水土流失面積1 . 13萬公頃，發展園林草地146 . 667萬公頃（含退耕還林還草99 . 2萬公頃、園地6 . 7萬公頃） ；經過長期努力，使林草地總面積達到865 . 6萬公頃，耕地、林地、草地比例由現在7 6 1逐步調節到1 1 . 4 1 . 2較合理的比例。
  9. Redundancy design and module circuit design have been used, and completely think over the adaptability to environment, self - protection and heat release. the control software is compiled with asm language, the software includes the air - fuel ratio control program under different situations, monitor program and signal processing program

    根據發動機的工作特性用匯編語言設計相應的綜合控制軟體，它包括發動機起動、怠速、加速、減速、恆速和變速變負荷等工況的空燃比控製程序、串列和并行通訊程序、信號採集及數據處理程序和控制量輸出程序。
  10. The major factor was the technology of agriculture production in the influence factors of the economy growth of planting of hebei, the contribution ratio to economy growth in planting was 19. 3 %, in which the improved seed, chemical fertilizer, plant protection was 4. 3 %, 2. 5 %, 2. 3 % respectively ; manage technology was 9. 8 %, in which the policy was 4. 0 %, then manage regulation was 2. 9 % and manage method 2. 9 % ; the service technology was 9. 3 %, in which the agricultural extension, the culture education, the agricultural science and research, and material supply were 2. 5 %, 2. 4 %, 2. 3 %, and 2. 1 % respectively

    本文通過對近十年河北省農業勞動生產率和土地生產率指數比較研究，得出比較適合河北省農業發展方向的科技進步模式是以提高土地生產率為主導的模式。近十年來，在影響河北省種植業經濟增長的因素中，主要是農業生產技術對種植業經濟增長貢獻份額較大，為19 . 3 ，其中，良種、化肥、植保的作用份額較大，分別為4 . 3 ， 2 . 5 ， 2 . 3 ；管理技術為9 . 8 ，其中方針政策為4 . 0 。
  11. We should formulate energy - saving economic policies for the development of liquor industrial techniques as follows : to attach importance to energy - saving, environmental protection, the utilization of circular economy, bioengineering, solid distillation, storage, blending and flavoring, and the production and the determination of low - alcohol liquor ; to make limitation and elimination in lavish packing, the development of small - scale liquor enterprises, and the production and the sales of unpackaged liquor etc. ; and to strengthen governmental support and social concern on the development of liquor - making industry, to establish a unified, open, orderly and competitive liquor market, to perfect taxation policies and strengthen the taxation management, and to establish technical innovation system and increase production concentration ratio etc

    在白酒產業技術發展方向制訂節能技術經濟政策，開發提高節能、環保、循環經濟應用、生物工程、固態蒸餾、貯存、勻兌調味、低度酒的生產和分析檢測等技術；限制和淘汰過度包裝、規模以下白酒企業的發展、散裝白酒的生產和銷售等；加強政府對白酒產業的發展支持和社會的關注，建立全國統一、開放、競爭、有序的白酒市場，完善稅收政策、加強稅收征管，建立技術創新體系，增強白酒行業的創新能力，提高生產的集中度等。
  12. Some bond cove - nants provide further protection to the in - vestors by stipulating that the bonds can be put back to the issuer in the event the ma - jority shareholder sells down his stake or when certain financial ratios, eg. debt to e - quity ratio, breach a set level

    一些債券還給投資者進一步的保護，例如在大股東減持股權或一些財務比率無法達到一個水平時，債券持有人可把債券賣給發行機構。
  13. For saving energy and protecting environment. due to advantages of high - precision filtration, stable operation, obvious energy saving, complete protection function, convenient checking maintenance and excellent price performance ratio, ect, wangmei products enjoys high reputation in users

    萬美濾油機以其：過濾精度高運行穩定可靠節能降耗顯著保護功能完備檢測維修方便良好的性價比等優點，受到用戶贊譽。
  14. The recursive criterion of transient current protection based on mallat wavelet transform is presented in order to meet the real - time demands. the reserch shows deficiency existed in the prevenient principle of transient current protection, so a new improved scheme of transient current protection is proposed. the characteristics of transient protection at different bus distribution capacitance is also analysed in this thesis. the study shows that operate of transient protection is correct when the bus distribution capacitance change. other conclusion include : the trip of transient protection must be locked when the power circuit breaker of transimission line operated, because the trip is incorrect at this time ; the features of transient current and it ' s energy is different between the fault and thunder over - voltage in transimission line, and them can be identified ; the ratio of high frequency component of current in serise capaciters compensation line, svc and hvdc system is far little than fault transient current, so all of them do not affect the working of trasient current protection

    應用功率譜估計方法討論了故障高頻暫態噪聲信號在頻率軸上的分佈情況，利用功率譜分析結果實現的非參數化系統辨識方法研究了母線分佈電容對電流高頻暫態信號的衰減特性。論文的後半部分（第五，六，七章）著重分析了現有基於故障電流的暫態保護原理和判據存在的問題，提出了新的實現方案，並討論了暫態電流保護的運行性能。利用多分辨分析和小波分解快速演算法構成的遞推暫態保護判據，可以準確區分故障線路和非故障線路，實現超高速暫態電流保護，計算更為簡單方便，計算速度更快。
  15. Based on the 15 operations regulated by gb14761 ? 999, the control system was tested in some kinds of automotive. the result shows that air fuel ratio is controlled near the theoretical value under steady condition and exhaust emission is under the regulated value. the system is fit for the station of our country and the need of environmental protection it is easy to realize, has a low cost and a better control result, and is worth to spread

    根據國家最新的法規gb14761 ? 1999規定的15工況法，在桑塔納、捷達、夏利、富康、奧拓幾種轎車上對控制系統進行了實車實驗，結果表明在穩定工況下空燃比被控制在理論值附近，尾氣排放量在法規規定的限值以下。
  16. The main technological characteristics include not only the integrated optimizing design of variable speed and constant frequency, ensuring the wind turbines to adapt to diversified wind plants with different temperatures and geographical conditions, but also the maximum wind power captured at optimized tip speed ratio below the rated wind speed and security protection of constant power output above the rated wind speed by variable pitch regulation

    主要技術特點是整體綜合優化設計、變速恆頻運行、適合不同氣候特點和地理環境的風電場；風機全翼展變漿距功率調節、額定風速以下最佳變速比運行最大風能捕獲、額定風速以上恆功率輸出具有安全保護功能。
  17. Af protection ratio

    音頻保護比
  18. Its main functions are : differential overcurrent time protection, ratio differential protection, blocking when ct wiring broken

    保護配置有： 1差動速斷保護2比率差動3 ct斷線閉鎖
  19. This mode aims at structuring " resources - products - wastes - whether it is and then resource " last closed loop type economic system, it is a new economic configuration that adapt to and optimize the economic structure, utilize resource, entironment protection, advance sustainable development ratio nally, and will become a kind of development trend in the 21st century

    這一模式旨在構建「資源? ?產品? ?廢物? ?再資源」的閉環式經濟系統，是適應于優化經濟結構、合理利用資源、保護生態環境、推進可持續發展而產生的一種新的經濟形態，並將成為21世紀的一種發展趨勢。
  20. Deposit protection is certainly not an automatic outcome, and neither is the sharing of commercial and consumer credit data, which helps keep the non - performing loan ratio of the banking system low and has benefited consumers by allowing them to replace credit card debt with other, cheaper forms of borrowing

    存款保障肯定也不是自行演變出來的結果共用商業及個人信貸資料的措施同樣亦不是自行出現的，這些措施促使銀行體系的壞帳比率維持在低水平，並惠及消費者，讓他們能夠將現有信用卡債務轉為其他較低息的貸款。
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