接地極性 的英文怎麼說

中文拼音 [jiēdejíxìng]
接地極性 英文
polarity of ground
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 接地 : [電學] landing; body; ground connection; electrical grounding; grounding; earthing; earth; ground...
  1. Sichuan is one of the agricultural province, locates in the area between the continental climate and oceanic climate, the distribution of precipitation is always disproportional due to the influence of atmosphere circumfluence, the existence of drought and floodwater plus water pollution have produced huge menace to agriculture, water resources utilization, soil erosion and even the life and properties of human being

    解決水資源的諸多問題，是擺在全黨、全社會和全國人民面前一項刻不容緩的重大戰略任務。四川作為貧水國的一個農業大省，由於地處海洋性氣候與大陸性氣候交接地帶，受大氣環流影響，降水時空分佈不均，水旱災害極為頻繁，尤其是乾旱對農業生產的威脅最大。
  2. Abstract : this paper analyzes causal factors of flood in the middle reaches of changjiang river. due to neglection of environmental management, soil erosion in the upper and middle reaches of the changjiag river, lake sedimentation, large - scale reclamation of marshes, the flood regulation capacity of the lake was descended, and flood stage was risen and prolonged. consequently more and more river levees and lake dikes were reinforced almost every year to prevent the disasters, which made flood level go up and flood period last for more days. the frequency of flood and waterlogging disasters rose and their damage was enlarged. several proposals for flood prevention including agricultural modernization are put forward

    文摘: 1998年長江大洪水后開始實施的「平垸行洪，退田還湖」的土地利用調整方案，從長遠來說應尋求農業安全且收入逐漸提高條件下的土地利用，長江中游地區應積極推進農業現代化，提高農業勞動生產率，轉移，減少分蓄洪區的人口，移民建鎮，對區內的土地要促進其規模經營，由優秀的有文化的農民經營，平時只有少量的直接從事農業生產的經營管理人員，農忙時則大量地使用季節性合同工或實現機械化，大洪水時退田還湖，減輕長江幹流大洪水的壓力，減少分洪與特大洪災時的損失，這樣還可促進避洪、冬季農業等的發展，也有利於長江中上游地區陡坡耕地的退耕還林，還可在糧食充足時進行休耕，在旱災、糧食緊張時擴大糧食生產?
  3. This paper presents the performance of metal oxide anode material, deployment and configuration of anode ground bed, and makes contrast of grounding resistance and protective potential between metal oxide anode and duriron anode

    文章介紹了金屬氧化物陽極材料的性能、陽極地床的布置及結構，並對比了金屬氧化物陽極與高硅鑄鐵陽極的接地電阻和保護電位。
  4. With the reform of our country ' s basic education, people pay more attention to it. because of the influence of the traditional, one - off and terminative pedagogic education, the school - based in - service training needs deeply theory research and systemic practice operation. the school - based in - service training which is for the service of teachers professional development, is trying to combine this form of training and teachers professional development together so as to let the training system right under the service of teachers professional development

    面向教師專業發展的校本培訓試圖將校本培訓的形式與教師專業發展有機結合，使校本培訓直接服務于教師專業發展，它並不否定大學或其他師資培訓機構的作用，而是倡導充分發揮學校自身在師資培訓方面的職能，挖掘學校的內在資源，調動教師的積極性，使教師在職培訓朝著能夠隨時隨地在每個教師所需的時刻、以最好的方式提供必要的知識和技能這一目標邁進。
  5. The results show that the vertical grounding electrodes can effectively decrease grounding resistance, step and touch voltages of the grounding system and reduce the influence of seasonal factors on the grounding system

    分析表明，增設垂直接地極能有效減低接地系統的接地電阻、減小發變電站的接觸電壓和跨步電壓、減小季節因素對地網安全性的影響。
  6. It has important significance to study the welding technology of variable polarity pulsed mig for high efficiency weding and good quality of welding products. we should control the welding current, output voltage and the process of melting drop more effectively

    研究薄板鋁合金變極性脈沖mig焊接技術，更有效地控制焊接電流、電壓輸出和熔滴過渡過程，提高焊接過程的穩定性、提高焊接速度，對于提高焊接效率和焊接產品質量具有重要的意義。
  7. Through analysing the operation of on - line monitoring system for earth electrode at long - qing earth station of long - zheng hvdc system, the necessity of all - round monitoring for the other 11 detection wells was pointed out and suggestion of overall monitoring for earth station was raised

    摘要通過對龍政直流龍青接地極極址在線監測系統運行情況分析，提出對其餘11口檢測井進行全麥在線監測的必要性，並建議對直流接地極極址系統進行全面在線監測。
  8. At last, an experiential power supply was made, and a series of experiments is done. a lot of high - frequency pulse current was superposed on dcen current, modulated the welding current waveform we required and optimized the energy distribution, which satisfied the basic requirement of cathode cleaning

    最後製作了一臺實驗電源，並進行了一系列的電弧實驗，通過在變極性電源電流dcen基礎上疊加一系列脈沖電流，調制出所需電流波形，實現輸出能量的最優分配，在滿足陰極清理的前提下，最大限度地提高焊接效率。
  9. Each local news agency all strengthen the external coverage to build the good environment of public opinion for its development external, so the local external news, in the aspect of serving for the reform and opening and economy of the local, in the aspect of setting and protecting the good international image, even in the aspect of strive for the public opinions in the world, plays positive role more direct than that of past

    隨著世界經濟的全球化、傳播的全球化，地方與全國、與世界的聯系越來越直接，越來越緊密，各地都通過加強對外宣傳報道的力度，為自身的發展營造良好的外部輿論環境。地方性的對外新聞在為本地改革開放與經濟服務方面，在樹立和維護地方良好的國際形象方面，甚至在開展國際輿論斗爭方面都起著直接而積極作用。
  10. Our applications engineers strongly recommend that all bread - board designs be done on double - sided copper - clad boards. although this is not a sure cure for ground problems, it improves the designer ' s chances

    我們的應用工程師們極力建議將所有設計好的實驗板做在雙面覆銅板上。雖然這樣做不一定能解決所有的接地問題，但它為設計者解決這類問題增加了可能性。
  11. The experiment result discovered the grafting effect of crylic acid and acrylamide were obvious which can be proved by the sem photoes. by the ft - ir testing of the grafted uhmwpe fabric, we discovered that some new polar groups were introduced to the surface. then by the dynamic wetting experiment of the grafted uhmwpe fabric, we concluded that the wetting time was a parabola relation with the graft ratio and the wetting time of the grafted uhmwpe fabric was less than that of untreated fabric. the results showed that after the coradiation grafting, uhmwpe fiber ' s surficial nonreactivity could be improved effectively

    通過對接枝uhmwpe織物的紅外光譜分析，發現其表面引入了許多新的極性基團。最後運用了纖維動態浸潤性分析了接枝后的效果，得到所測浸潤穩定時間與接枝率成拋物線關系，而且接枝樣品的浸潤穩定時間都比未處理樣品的浸潤穩定時間小些，這說明了共輻照接枝的方法可以有效地改善uhmwpe纖維表面惰性，達到uhmwpe纖維表面改性的目的。
  12. 3. 20 it is therefore recommended that existing planning guidelines should be strengthened to develop the concept of planning around pedestrians in new areas and redevelopments, and that the pedestrian mode should be actively enhanced in developed areas by pursuing pedestrianisation, pedestrian links and walkways through district studies

    20因此，研究建議加強現行的規劃指引，以便在新發展區及重建區內，發展一套以行人為核心的規劃概念。至於在已發展地區，則積極改善行人交通模式，在地區性研究中，考慮辟設行人專用區興建行人接駁設施，以及行人通道系統。
  13. In the 3 ~ 35kv power supply system of our country, the large part is the not solidly earthed neutral system. when the single - phase earthed phenomena happens in this system, this electric power network can run with failure. and in this way the operated cost can reduce greadty. and at the same time the power supply systemic dependability can be improved. but when the single - phase earthed current is large, this electric power system can engender easily arc earthed overvoltage and interphase short circuit by this means

    在我國10 35kv供電系統中，主要為中性點非直接接地系統，這種系統在發生單相接地時，電網仍可帶故障運行，這樣可以大大降低運行成本，提高供電系統的可靠性，但這種供電方式在單相接地電容電流較大時容易產生弧光接地過電壓和相間短路，給供電設備造成了極大的危害。
  14. But the moral education was often held in middle schools and colleges respectively. these two phases of moral education lacked essential connection, which weakened systematization and effectiveness of the moral education

    在我國的學校德育中，中學德育與大學德育是各自為戰，缺乏銜接的，極大地削弱了學校德育的系統性和有效性。
  15. For example, a reasonably trained, reasonably motivated programmer can do a perfectly fine job finding boundary conditions and checking whether each known equivalence class is handled

    例如，一個接受過一定培訓、有一定積極性的程序員可以很好地找到邊界條件，並且檢查每一個等價類是否都處理了。
  16. At length, this paper with fresh esys revolves around the set - up of higher education cost - sharing system, and presents a guiline for constructing and perfecting such a system from the following five aspects : perfecting the supervisional system and ensuring higher education cost is shared by the government ; setting up an encouragement system for educational properties and prompting the society to share the cost of higher education ; localizing the higher education cost and reflecting different burders of cost shared by different districts ; perfecting the system of educational equality and easuring the right of student from poor families to receive higher education

    本文最後以建立高等教育成本分擔機制為中心，以新的視角，從五個方面提出了構建和完善高等教育成本分擔機制的基本思路，即引入市場機制，降低高等教育的實際成本;健全約束機制，確保政府對高等教育成本的分擔;建立教育產權激勵機制，激發社會分擔高等教育成本的積極性;建立高等教育成本屬地化機制，體現高等教育成本分擔的地區差異;完善教育公平機制，保證貧困家庭學生接受高等教育的權利。
  17. Teaching methods based on constructivism under the conditions of multimedia and internet can completely arouse a lot of sense organs of the students to study and fully stimulate the students " initiative and participation. they can help enlarge the capacity of a teaching period and really make the students study individually, study on their initiative and study with others. the teachers " and the students " using multimedia can show the entire effect of classroom activities and fully reflects the principal part of the students and the leading part of the teachers

    在這些教學實踐過程中，我們深刻體會到建構主義學習理論在「提高學習者的學習積極性，培養學習者的學習能力」方面具有其它學習理論所無法比及的優勢；並且深深認識到建構式網路下的化學教學能體現「以學生為中心」 ，很有利於培養迎接新世紀挑戰的高素質人才；建構式網路下的教學手段能全面調動學生的多種感官學習，充分激發學生的學習積極性和參與性，增大課堂容量，真正實現個別化學習、自主學習、協作學習；學生、教師通過多種媒體的組合使用，能顯示課堂效果的整體效應，充分體現了學生的主體地位和教師的主導作用。
  18. The double layer capacitor effect is significant. using bipolar electrodes and adding electrolysis separators can reduce the value of the load capacitor

    提出採用雙極性電極接法和增加電極數目可有效地減少負載的等效電容量。
  19. In this paper, the important point is the study about the application of wavelet analysis in single phase grounding fault location of small current grounding power systems, wavelet transform is used as a novel tool of signal analysis to obtain useful fault transient components, a new criterion of fault line selection is constructed based on the time and frequency localization character of wavelet transform

    本論文主要研究了小波分析在小電流接地系統單相接地故障定位中的應用，利用小波變換這一新興的信號分析工具，提取故障時的暫態電量信息，構造出了基於小波變換模極大值奇異性檢測原理的新型選線判據。
  20. ( 1 ) with the principle of measuring resistance, the paper carries through the theory analysis about possibility of measurement method with short electrode wire

    具體工作包括：從接地電阻的測量原理出發，討論了採用短電流極引線測量地網接地電阻的可行性。
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