hardness of rock 中文意思是什麼

hardness of rock 解釋
巖石硬度
  • hardness : n. 1. 堅固。2. 冷酷無情。3. 苛刻。4. 困難。5. 硬性；硬度。6. 飛彈基地防禦核攻擊的能力。
  • of : OF ＝Old French 古法語。
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  1. Micro - bore calcium silicate without rock cotton is a white, hard new thermal insulation material which has the features of light unit weight, high hardness, low heat conduction coefficient, heat resisting, corrosion - proofed, cuttable and sawable, and widely used in the pipeline of electric, metallurgy, petrochemistry, architecture and shipbuilding industry, and heat resisting, fireproofed and soundproofed equipment of the house wall

    無石棉微孔硅酸鈣是一種白色、硬質的新型保溫材料，具有容重輕、強度高、導熱系數小、耐高溫、耐腐蝕、能切、能鋸等特點被廣泛應用於電力、冶金、石化、建築、船舶等領域的設備管道、墻體屋面的保溫隔熱和防火隔音。
  2. The hardness and thickness of coal seam play a great role in the vertical distribution of stress in coal and the occurrence of rock bunt under the condition of hard roof and hard floor

    在「兩硬」條件下，煤層厚度與硬度的變化對煤體中的應力分佈有著很大的影響，從而對煤巖體系統中沖擊礦壓的發生有著很大的影響。
  3. Standard test method for determination of rock hardness by rebound hammer method

    用回彈錘法測定巖石硬度的標準試驗方法
  4. Since the vertical stress distribution of coal and rock can reflect the risk of rock burst, the influence of hardness and thickness of coal seams with a hard roof and a hard floor on the vertical stress distribution of coal and rock was simulated

    摘要在堅硬頂板和底板的「兩硬」條件下，對不同煤層厚度和硬度對煤巖體中的垂直應力分佈的影響，也即反映了對煤巖體中發生沖擊礦壓危險性的影響進行了模擬。
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