入選原礦 的英文怎麼說

中文拼音 [rùxuǎnyuánkuàng]
入選原礦 英文
head of mill
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 原 : Ⅰ形容詞1 （最初的; 原來的） primary; original; former 2 （沒有加工的） unprocessed; raw Ⅱ動詞（原...
  • 礦 : 名詞1. （礦床） ore [mineral] deposit 2. （礦石） ore 3. （開采礦物的場所） mine
  • 入選 : be selected; be chosen
  1. Superficial talking about the technical reformation of raw coal separation system at zhaizhen colliery

    淺談翟鎮煤礦原煤入選系統的技術改造
  2. This thesis for the first time bases its analysis on the maintenance characteristics and repair mechanisms for crack filling and pothole repair in asphalt roads. it analyzes the properties of the aggregate and the bituminous binder in patching materials, and further analyzes the compatibilities of the aggregate and the bituminous binder, patching materials and old pavement materials. furthermore, it determines the grading types, the mineral aggregate gradations, the application rate of asphalt, the principle of selecting component materials and the air void

    本文首次依據瀝青路面裂縫填封和坑槽修補的維修特性和修補機理，全面分析了修補材料中集料與瀝青結合料應具備的性能要求，並對集料與瀝青結合料、修補材料與原有路面材料的相容性進行了深入的分析，同時分析確定了修補材料的級配類型、礦料級配、瀝青用量范圍、組成材料的選用原則及空隙率等。
  3. According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft, the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed, and on the basis of analyzing the problems existed in high voltage flameproof switchgear, the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper, and at the same time, harmonics extracting schematic and transforming circuit are also designed

    本文深入系統地研究了基於intel80c196kb單片機控制的6kv防爆開關綜合保護系統，主要內容如下：針對大型及特大型礦井供電系統中性點普遍採用消弧線圈接地方式的現狀，回顧了國內外礦用高壓防爆開關保護系統的發展歷史，分析了目前國內高壓饋電開關保護系統所存在的問題，提出了「基於零序電壓基波啟動，五次諧波功率方向比較」的選擇性漏電保護原理，設計了相應的五次諧波提取電路和功率方向鑒別電路。
  4. Depending on the densified system containing homogeneously arrayed ultra - fine particles ( dsp ) and the basic principles of reactive powder concrete ( rpc ) adopted by foreign researchers specialized in building materials, considering the characteristics of ultra - fine addition which can improve the workability and micro - structure of cement based materials and enhance the cementitious materials " packing density, we added blast slag silica fume crushed quartz superplasticizer and steel fiber into portland cement to produce the rpc by normal technology methods

    本文以活性粉末混凝土（ reactivepowderconcrete ，簡稱rpc ）的基本配製原理為基礎，結合近幾年來人們對高性能混凝土研究所提出的要求，選擇適合本地實情的材料，在傳統rpc的配製基礎上，摻入礦渣組分，配製出了抗壓強度達135mpa的活性粉末混凝土材料。本文對摻礦渣rpc的配製技術及其相關的性能作了系統的研究。
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