球形鉆 的英文怎麼說
中文拼音 [qiúxíngzhēn]
球形鉆
英文
ball-shaped burr-
Dimensions of dome bricks for electric arc furnace roofs
電爐用球頂鉆形狀尺寸The diamonds on earth are believed to have formed under high temperature 1000 and pressure 45 kilobar in the deep 100 - 300 km interior of the earth, and brought to the near surface by volcanic activities
地球上的鉆石相信是在100至300公里深，溫度接近攝氏1000度，而壓力達45千巴的地底形成，其後因火山爆發而帶至地面。Guided with the theories of plate tectonics and complex hydrocarbon system, based on the analysis of geological factors of hydrocarbon pools in the northern area of tarim basin, the author puts forward the geological background favorable for and the possible areas most suitable for the formation of complex traps. the identification and description of complex traps lead to the recognization of five large and four middle or small complex traps, by the means of the main techniques and methods include the detailed interpretation of seismic profiles, drilling, logging, map compiling based on the depth of sealing surface and on the superimposed relation of stratigraphic lithology over and beneath the unconformity surfaces, and the the use of the reversion of jason and 3d coherent data. at the same time, the major controlling factors of complex trap oil pool have been analyzed based on the case study of typical oil pools in the paper
目前，復合圈閉勘探及研究工作在我國還比較薄弱，本文以板塊構造學、復式含油氣系統等理論為指導，通過對塔北地區石油地質特徵的整體解剖，從動態的角度，綜合分析和探索了塔北地區復合圈閉形成的地質背景及發育的有利區帶和領域，根據鉆、測井及地震剖面精細解釋成果，採用封閉面編圖、不整合面頂底板地層巖性疊置關系編圖方法和jason及三維相干數據體等地球物理反演技術，發現大型復合圈閉顯示2個，中小型復合圈閉4個，復查落實大型復合圈閉3個，並通過典型油氣藏解剖，分析了塔北地區復合圈閉成藏主控因素分析。But now the use of the spherical one - cone bit shows that the teeth are abrade heavily in advance, which affects the velocity and life of the bit
但是目前油田上使用的球形單牙輪鉆頭由於牙齒先期磨損嚴重，影響了鉆頭的機械鉆速和壽命。Curiously, in addition to graphite and diamiond, the existence of a new kind of elemental carbon in the form of football shaped molecules was predicted as early as the 1960s, but was not confirmed until 1985
在1960年代已有人預言，碳除了以石墨和金剛石即鉆石的形式存在外，並能以足球的形式存在，其後在1985年獲得證實，並引起一連串籠形碳分子即富勒烯的科學研究。Medico - surgical equipment. orthopaedic instruments. drills, taps and countersink cutters for use with osteosynthese screws with asymmetrical thread and spherical under - surfaces. material and dimensions
外科醫療器械.矯形外科器械.帶不對稱螺紋和球形下表面的骨縫術螺釘用鉆絲錐和沉頭鉆There have been many questions about the petroleum pool formation conditions and models for this area since the first well was drilled in 1988, which has had an great influence on the further petroleum exploration and development. in this study, a method with the combination of petroleum geology, sequence stratigrapy, organic geochemistry and geophysics, based on drilled core analysis data, well data and seismic sections, has been applied to investigate the petroleum pool formation conditions and models in this area, and the following results and recognition have been obtained : ( 1 ). the lower tertiary strata are subdivided into two sequences and seven systems
本研究以鉆井取心分析資料、測井數據、地震資料為基礎，綜合利用沉積學、層序地層學、石油地質學、地球物理學、有機地球化學等多門學科的有關理論和研究方法，通過對埕島東斜坡區油氣藏形成條件和模式研究，主要取得了以下幾個方面成果和認識： （ 1 ）埕島東斜坡地區下第三系共劃分兩個層序、七個體系域，其中沙一段至東三段中下部沉積為層序，東三段上部至東一段為層序。The universal index1 head is provided at 24 positions so that any particular angle of shape can be obtained, free 3600 or 100 rotation is allowed for grinding end mills 、 twist drill 、 lathe tools, only replace the attachment to the index1 head without any complex setup
磨削分度頭可在24種位置下操作以便於磨削任何角度和形狀，只需替換分度頭上的附件而不需任何復雜的步驟就可進行立銑刀、鉆頭、車刀.球形面的磨削。分享友人