placer 中文意思是什麼

placer 解釋
n. 名詞 1. 安置者，調配者。
2. 第…名。
n. 名詞 【礦物】（含金、鉑等的）砂礦，砂積礦床（opp. lode）。

  1. " dug jade " ing, this exploitation and d s placer means have already stopped, only while quarrying and drawing gold dust, electing the jade one from the gravel that is dug out, in passing, output is very few

    「挖玉」這一開采和闐砂礦的手段已經停止，只在采掏砂金的同時，從挖出的礫石中順帶選出玉塊，產量微乎其微。
  2. The objection to the placer origin have centred around the softness of uranium compounds.

    反對砂礦成因的論據主要是：鈾的化合物不耐磨蝕。
  3. Figure 16-20 shows the good correlation observed between the magnetic field and the gold values over a muck-covered placer in this area.

    圖16-20表明了此地區腐殖土覆蓋下砂積礦床上面的磁場和含金量之間的良好對比關系。
  4. Dredging technology and equipment for thailand placer

    泰國砂礦的船采工藝及設備
  5. Study on hydrochemical mineralization factor of gold placer

    砂金水化學成礦因素探討
  6. The selection of placer drilling equipment and technology at qinghai - xizang plateau

    青藏高原砂鉆施工設備與工藝的選擇
  7. A place where a placer deposit is washed to extract its mineral content

    砂礦開采地一個用來清洗出有用礦物的砂礦開采地
  8. Automatic detonator placer

    雷管自動安置機
  9. Double pipe hammering with inside pipe sampling technology and operation for placer drilling

    砂鉆的雙管沖擊內管取心工藝
  10. Placer abnormal of volcanic lithoclast at longjingjie in kaili of guizhou locates in regional shidongkou deep and major fault nearby, abnormal materials that are obsidian lithoclast and volcanic glass

    貴州凱里龍井街火山巖屑重砂異常位於區域性施洞口深大斷裂近旁，異常物質為黑曜巖屑及火山玻璃。
  11. Wudi has three world - rare shell placer deposit belts. stretching a total distance of 56 kilometers, these deposits have total reserves of 360 million tons

    無棣縣擁有3條長56公里，總地質儲量3 . 6億噸世界罕見的貝殼沙礦帶，具有很高的開采利用價值。
  12. Figure 16 - 20 shows the good correlation observed between the magnetic field and the gold values over a muck - covered placer in this area

    圖16 - 20表明了此地區腐殖土覆蓋下砂積礦床上面的磁場和含金量之間的良好對比關系。
  13. The authors introduced the establishment of the placer data management information system ( mis ), its aims, structures and its various function

    摘要本文以「湖北省重砂數據庫管理信息系統」的建立為基礎，介紹了該系統的開發目的、數據庫結構、系統設計和系統使用功能。
  14. Based on a study of statistics of gold geochemical parameters and an analysis of distributiom of geochemical and placer anomalies in eastern shandong and jiaolei basin, this paper has probed into gold - rich and gold - bearing strata in jiaolei basin and pointed out gold - hunting prospects and ore - prospecting targets in this basin

    摘要通過對魯東地區及膠萊盆地金地球化學參數統計結果的研究和對地球化學異常、重砂異常分佈規律的分析，探討了膠萊盆地富金及賦金巖層，指出了膠萊盆地的找金前景及找礦方向。
  15. Roseville is located in placer county and is nearly equidistant from the sierra nevadas and the pacific coast

    羅斯維爾位於普萊瑟郡，距離獅子山內華達州和太平洋海岸幾乎相同。
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