次絕緣 的英文怎麼說

中文拼音 [cìjuéyuán]
次絕緣 英文
minor insulation
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 絕 : Ⅰ動詞（斷絕） cut off; sever Ⅱ形容詞1 （完全沒有了; 窮盡; 凈盡） exhausted; used up; finished 2 ...
  • 緣 : Ⅰ名詞1 （緣故） reason 2 （緣分） predestined relationship 3 （邊） edge; fringe; brink Ⅱ動詞（攀...
  • 絕緣 : 1 [電學] （隔斷電流） insulation; isolation; insulate; isolate 2 （跟外界不發生接觸） be cut off ...
  1. When primary electrons hit the surface of the chunnel, secondary electrons are generated, which make the electron distribution at the exit hole of the chunnel more uniform

    當初始電子碰撞絕緣壁時，會產生二次電子，而二次電子能改善電子在通道出口處的電子能量分佈的均勻性。
  2. Low - frequency cables and wires with pvc insulation and pvc sheath ; part 2 : cables in pairs, triples, quads and quintuples for inside installations ; amendment no. 1 to iec 60189 - 2 : 1981

    聚氯乙烯絕緣和聚氯乙烯護套的低頻電纜和電線.第2部分:內部裝置用雙芯三芯四芯和五芯電纜.第2次修訂
  3. The theory of seea is based on the insulator ' s surface emitted secondary electrons when bombarded by electron, includes the process of electron - simulated desorption ( esd ), the process of desorption gas ionization and the process of the ion influencing the flashover

    Seea理論以絕緣子表面在電子轟擊下發射二次電子為基礎，包含了電子誘發脫附（ esd ） ，和脫附氣體離子化並對閃絡過程產生影響等過程，對表面閃絡現象進行了解釋。
  4. At the same time, the results show that the minimum pd quantity and its discharge numbers also add along with the aging time increasing. and the craggedness degree of - q figure of pd becomes steep along with ageing time too

    局部放電的最小放電量隨著老化時間的增大其值也逐漸增加，而且放電次數也不斷增加，因此，這也可以作為一個特徵量來進行絕緣監測。
  5. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性
  6. A certain number ( odd number ) of enameled flat wires, through precise action of a transposition unit, are edgewise bent, repeatedly crosswise transposed, and braided into a bundle conductor, and then the bundle conductor is wrapped with paper as its insulation so as to become a finished product

    設備的主要功能是通過換位裝置準確的機械動作將一定根數（奇數）的漆包扁線進行小邊彎曲，迭次交叉換位，編結成集束導線，然後包紙絕緣成為產品。
  7. Meanwhile, in a typically wide - ranging speech this week, the chancellor proposed a raft of initiatives and incentives on light bulbs, efficiency standards, home insulation and micro - generation

    與此同時，在本周一次典型的、內容廣泛的演講中，勞森爵士針對燈泡、效率標準、家居絕緣和微型發電等，提出了大量創造性建議和激勵計劃。
  8. 1. 20m - 60m mica powder is mainly used in electric welding ; 2. 60m - 325m is used in mica ceramics for its good performance in insulation, maintain uncarbonized under strong electric arc, long time performance in the heat of 350c. its heat expansion coefficient is adjustable as required

    工業上主要利用它的絕緣性和耐熱性，以及抗酸抗堿性抗壓和剝分性，用作電氣設備和電工器材的絕緣材料其次用於製造蒸汽鍋爐冶煉爐的爐窗和機械上的零件。
  9. Gas - insulated metal - enclosed switchgear for rated voltages of 72, 5 kv and above ; amendment 1

    額定電壓72 . 5kv以上氣絕緣金屬殼開關.第1次修改
  10. This type of combined transformer consists of two single - phase all - insulated voltage transformers and two current transformers, divided into two types ? oil - immersed type and dry type, its primary and secondary outlet terminals are led out respectively through insulating porcelain jacket, outside the transformer tank there is equipped with electric meter box, which can be installed integrally with the combined transformer or hung up separately

    本型組合互感器是由兩臺單相全絕緣的電壓互感器和兩臺電流互感器組合而成，分油浸式和乾式兩種結構，其一、二次出線端子分別通過絕緣瓷套引出，箱體外側配置電表箱，可與組合互感器一體化安裝，也可獨立懸掛安裝。
  11. Apply the vacuum arcing chamber, air insulation and includes electric spring operation mechanism so that the product arcing ability is strong, short open circuit times is many, no fire and explosion danger, convenient operation, it is the product of good performance, and strong usefulness

    採用真空滅弧室，空氣絕緣配以電動彈簧操動機構，使得產品滅弧能力強，短路開斷次數高，無火災爆炸危險，操作方便，是一種性能優良，實用性較強的產品。
  12. The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )

    影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵，脈沖寬度等。研究真空表面閃絡過程有兩類理論：二次電子發射崩潰（ seea ）和電子引發極化鬆弛（ etpr ） 。
  13. On the condition of insulator covered in snow or ice chill climate area of northeast in china, many accidence of insulation flashover occurred which brought prodigious damage for electric power system and loss for economic

    國內東北地區在寒冷氣候條件下覆冰覆雪時曾發生過多次閃絡和絕緣擊穿事故，造成極大危害和經濟損失。
  14. In connection with the difference and distribution characteristic of the samples in sample space rs based on dga, a new self - adapted weight fuzzy omean clustering model of fault diagnosis of the power transformer based on the potential function is proposed. meanwhile, from the aspect of geometry characteristic of fc - divided in s dimension sample space, a method is proposed for the purpose of getting an effective adjacent radius, adaptive cluster number c and original cluster center of x sample set. for the diagnosis sample x, the property measure and diagnosis rule are proposed, which under the condition of potential density function that determine c number of optimal fuzzy cluster p1

    根據以變壓器dga數據為特徵量的樣本空間各樣本差異特性以及樣本在空間r ~ s的分佈特性，首次提出了基於勢函數自適應加權的變壓器絕緣故障診斷的模糊c -均值聚類模型；同時，從s維樣本空間的f ~ c -劃分幾何特性出發，提出了一種求取樣本集的類勢有效鄰域半徑和自適應求取聚類數和聚類中心初值的方法；對一個待診斷樣本，設計了基於類勢密度函數意義下的屬性測度和診斷準則。
  15. A crack was found in the shuttle ' s insulating foam, and nasa is trying to figure out if they can go ahead with the plan for the july launch which has already been delayed twice

    因為他們在飛船的絕緣泡沫上發現了一道裂縫， nasa也在思酎他們是否還要按計劃進行七月的發射任務，這項任務已經延期兩次了
  16. The influence of microstructure on the flashover performance of alumina ceramics has been studied systematically through investigating the flashover performance of different alumina ceramic samples. experimental results reveal that the flashover performance is affected by the grain sizes and its dispersiveness. the smaller grain size is, the higher flashover performance ; the less dispersiveness of grain sizes is, the higher flashover performance

    3 .通過研究用不同工藝制備的氧化鋁陶瓷絕緣子（同一材料配方不同燒成工藝、同樣氧化鋁含量不同添加劑）在沖擊電壓作用下在真空中的沿面閃絡特性和表面帶電特性，首次深入系統地探索了材料微觀結構對陶瓷材料沿面閃絡性能的影響規律。
  17. The problem of insulator pollution flashover in power lines is increasingly serious, because of increasing times and extending areas of flashover

    線路絕緣子污閃問題日益突出，表現為污閃次數的增加、面積的擴大，與雷害並列為造成停電事故的主要原因。
  18. When vacuum switches switch off shunt capacitors and hv motors, restriking overvoltage and multi - reburning overvoltage may be brought about and threaten insulation of equipments severely

    真空開關在開斷並聯電容器組和高壓電動機時可能產生重擊穿過電壓和多次重燃過電壓，對設備絕緣造成嚴重威脅。
  19. The liquid metal pb - 17li flow through a packed pebble bed - based blanket is considered to be one of the blanket candidates. the mhd pressure drop of liquid metal flow through the packed pebble bed has been calculated and analyzed under various conditions including ( a ) the size of the packed pebbles ; ( b ) the ratio of occupied room by the packed pebbles to that of liquid metal ; and ( c ) whether the pebbles surface is insulated or not

    在聚變中子源驅動的次臨界清潔核能系統的科學可行性和技術現實性基礎上，對聚變?裂變嬗變混合堆的多種概念性包層進行探討，對影響液態金屬在球床包層中的mhd壓降的相關因素（包括燃料小球的大小、液態金屬與燃料小球的占空比和燃料小球表面是否絕緣）進行分析研究。
  20. Through development in these years, it had now 54 million meters of 2715 pvc insulating lacquer sleeve, 20 million meters of alkali - free glass fibre belt with its advanced production equipments and complete measurement meas

    數十年來，經多次擴展，達到2715聚氯乙烯絕緣漆管年產5400萬米，無堿玻璃纖維帶年產2000萬米；生產設備先進，檢測手段齊全。
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