選礦系數 的英文怎麼說

中文拼音 [xuǎnkuàngxìshǔ]
選礦系數 英文
rate of enrichment
  • 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
  • 礦 : 名詞1. （礦床） ore [mineral] deposit 2. （礦石） ore 3. （開采礦物的場所） mine
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Aiming at weakness of the former excitation system of ball - mill machine synchronous motor in mill run factory, succeeds in digitization reconstruction for the excitation system by applying advanced siemens 6ra70 rectifier, s7 - 300 plc and profibus - dp fieldbus technique, constructs automation network of the workshop, and acquires better technique and economic benefit

    摘要針對選礦廠球磨機同步電機原勵磁系統的缺點，運用西門子6ra70整流器、 s7 ~ 300plc及profibus - dp現場總線技術對勵磁系統進行了數字化改造，構建了車間自動化網路，取得了良好的技術和經濟效益。
  2. Main technical data series for mineral processing machinery

    選礦機械主參數系列
  3. Abstract : taking single - rope drum wind as analysing object, the paper analyses safety coefficient of main rope using the dynamic state method under speed up, constant the speed, reduce the speed and emergency braking, change law is gotten comparing them with " mine safety standards ", points out existing problems and solving methods of safety coefficient in selecting and using rope in home

    文摘:以立井單繩纏繞式提升機為研究對象，從動態方面分析提升鋼絲繩安全系數，得出其在加速、等速、減速、緊急制動狀態下的變化規律，與我國《煤礦安全規程》的要求進行比較，指出目前國內選擇和使用提升鋼絲繩在安全系數方面存在的問題和解決辦法。
  4. Meter box is a distribution box for single - phase and three - phase watt - hour meter, its inner electric switch components adopt modular switch, it is used for distribution systems in civil building, industrial and mining enterprise, as well as aloft operation power grid

    電表箱是一種安裝單相與三相電度表配電箱，內部電器開關元件全部選用模數開關，主要用於民間建築、工礦企業、高業網配電系統。
  5. Pda laser flow velocity testing technique was used to measure the flow velocity of solid particles in the solid - liquid - gas three - phase system in a flotation cell and obtained the velocity distribution of solid particles so as to provide reliable data for the study on adsorption and deadsoption mechanism of particles onto and off from bubbles

    採用pda激光流速測試技術，在固-液-氣三相體系中對浮選槽中固體顆粒進行了流速測定，獲得了固體顆粒的速度分佈，為礦粒與氣泡粘附過程和脫附過程機理的研究提供可靠數據。
  6. 4 ) systemic summarize updates technique innovative fruit of shen - dong diggings, integrate with diggings practice, put forward technique measures from aspects such as adjustment of development and mining project, mining preferences of work face and optimization of equipment, mine production craftwork innovation and exploitation and construct layout of east river, found technology ensuring system of sustainable development of shen - dong diggings

    4 ）系統總結了神東礦區近年來技術創新的成果，結合礦區實際，從開拓開采方案的調整、工作面開采參數選擇及設備選型優化、礦井生產工藝改革和河東礦區開發建設規劃等方面研究提出了確保神東發展目標實現的技術措施，建立了礦區可持續發展的技術保障體系。
  7. On the basis of the statistical analysis of the annual production data of aoshan concentrator, the mathematical models for the relationship of the concentrate quality indexes ( concentration ratio, concentrate grade and recovery ) with run - of - mine ore grade and hourly throughput per unit were established and analysis of their relationship was made, which has a direct effect on guiding the concentrators production and ensuring the concontrate quality

    通過對凹山選礦廠全年生產報表數據的統計分析，分別建立了精礦質量指標（選礦比、精礦品位、精礦回收率）與原礦品位、臺時處理量之間的數學模型，並對其之間的相互關系作了分析，對指導凹山選礦廠生產、保證精礦質量有著直接的指導作用。
  8. The sustainable utilization evaluation of regional mineral resources this text regards laiwu ( in the middle of the shandong province, the east hillfoot of mount tai ) as a district of studying, so do maplnfo as workbench. by the present situation analysis of mineral resources, 19 indexes are chosen to form the evaluation system of the mineral resources sustainable development, they are fund tax rate, worker per capita incomes, rehabilitation rate, sloping rate, the ratios between reserves and extraction, tailing utilization ratios, atmosphere quality, water quality, economic - societies coordinate coefficient, etc. according to the experts, the quantitative indexes are quantified

    2 、區域礦產資源可持續利用評價本文以萊蕪市（位於山東省中部，泰山東麓）為研究區，以mapinfo為工作平臺，通過對礦區礦產資源開發現狀分析，決定選擇資金利稅率、職工人均收入、塌陷土地復墾率、采區回採率、儲采比、尾礦利用率、大氣環境質量、水環境質量、經濟社會協調系數等19個因子，組成礦區可持續發展評價的評價因子，根據專家賦分值將定量因子進行量化，用模糊數學的方法對數據進行處理，使它們具有可比性。
  9. The article in lead - zinc mineral tailing transmission pumps electric motors automatic control system of huang - shaping, for example, a detailed account of the system frequency conversion governor, ultrasound liquid position controller design models, debugging points and parameters set methods, and energy saving effect of a careful analysis

    摘要文章以黃沙坪鉛鋅礦尾礦輸送泵電動機自動控制系統為實例，詳細介紹了系統中變頻調速器、超聲波液位控制器的設計選型、調試要點和參數設定方法，並對節能效果進行了認真分析。
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