grained rock 中文意思是什麼
grained rock
解釋
粒狀巖-
Touchstone is a fine - grained velvety black rock, a kind of quartz
試金石是一種紋理細密、表面光滑的黑色巖石,屬石英一類。 -
Coarse - grained impact resistant grades for mining, working of stones and rock, building, mineral oil industry, percussion and hammer drill tips, inserts for mining cutters, chisels, asphalt cutters, picks, inserts for concrete - working, hammer cheeks rolls, hot wire rolling, ball pressure dies, brake blocks
粗晶粒度的抗沖擊牌號,適用於采礦工業、採石、建築、石油鉆探工業、鉆頭和錘頭、礦刀的襯墊、鑿子、瀝青切刀、風鎬、混凝土製造的襯墊、錘子的滾軸、熱軋軋輥、子彈壓力沖模、剎車片。 -
Abstract : to the principle and project that tu guangazhi proposed in 1990, the gold ore deposits in qinling ( shaanxi ) may be classified into fouowing types : archean high - grade gneiss type, fine grained fragmental rock - carbonate rock - silicilith type, metamorphic fragmental rock type, volcanic rock type, explosive breccia type, intrusive rock exo - and endo - contact zone type. inthis paper, the geological characteristics, metallogenic geological setting, the source of ore - forming materials, digenic mechanism and metallogenetic epoch of gold ore deposits are also discussed
文摘:參照塗光熾先生( 1990 )提出的礦床類型劃分原則與金礦分類方案,將陜西秦嶺地區原生金礦劃分為太古界綠巖建造型、細碎屑巖-碳酸鹽巖-硅質巖建造型、變質碎屑巖型、火山巖建造型、隱爆角礫巖型和侵入巖內外接觸型金礦,並對各類型金礦的地質特徵、成礦地質背景、成礦物質來源、礦床形成機制及形成時代等問題進行了論述和討論。 -
The spreading gradation gravelly soil is a kind of clayey coarse - grained soil. it ' s also a soil - rock mixtures. it ' s often divided into fine material and coarse material by the save of 5mm and the granutometric composition affects its project characteristics directly
寬級配礫質土是一種粘性粗粒土,是天然土石的混合料,它通常以5mm為界被分為粗料和細料兩部分,顆粒組成是決定寬級配礫質工工程特性的主要因素。 -
Fine - grained feldspar sandstone is the main oil - bearing rock and chlorite is the dominant kind of clay minerals
研究結果表明,長2油藏含油砂巖以細粒長石砂巖為主,粘土礦物中綠泥石含量較高。 -
The oil - bearing content of oilsand is close to rock lithology, and therefore high oil content occur mainly in fine - grained sandstone and fine - median grained sandstone
油砂含油性與巖性關系密切,含油率較高的油砂巖性主要是細砂巖、中細砂巖。 -
Coarse - grained rock
粗粒巖石 -
Fine - grained rock
幼粒巖石
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