hole erosion 中文意思是什麼

hole erosion 解釋
井眼沖蝕
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  • erosion : n. 1. 腐蝕,侵蝕(作用)。2. 【醫學】糜爛,齒質腐損。
  1. Gully erosion, which is universal on original lands, but also the special forms, for example, hole erosion gravel erosion debris slide and debris flow, which is unusual in loess area, ( 2 ) based on a long - term fixed point experiments in proving ground of the south stackpile, the soil erosion factors have been researched quantitatively, the runoff and erosion affected factors have been made sure and the experiential models of producing water and soil have been taken in newly - constructed stage, early stage and later stage of reclamation

    確定南排土場原地貌的水蝕模數為3700 4400t km ~ 2 ? a ;在排土場新造地貌上,擊濺、面蝕、細溝侵蝕、淺溝侵蝕、沉陷侵蝕、砂礫化面蝕、土砂瀉溜和坡面泥石流等水土流失形式出現頻率和發生程度都明顯強于原地貌。 ( 2 )以南排土場徑流試驗場長期的定位觀測為基礎,對排土場未復墾時期、復墾初期、復墾後期的土壤水蝕影響因子進行定量研究,確定了徑流和土壤水蝕的主要影響因子及其臨界值,建立了產流產沙的經驗模型。
  2. The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks, and then the requirement and the safety degree of the gravel filling are given

    摘要通過試驗模擬研究了預制混凝土連鎖塊在洪水期水流中的受力狀況、整體穩定性、孔內填充碎石的作用及連鎖塊阻力參數,綜合分析了連鎖塊結構的力學穩定性和抗沖性,給出了碎石填充的要求及安全度。
  3. A hole or worn spot made by abrasion or erosion

    侵蝕處由於侵蝕或磨擦形成的洞或破處
  4. Additions of carbon for improved slag resistance. spinel formation improves hot strength, slag resistance and brick joint erosion. 3 repairing material for bof uses fused magnesia or sintered magnesia as the main raw material and after modifid pitch and special additives are added, it has the following characteristcs than other conventional converter pitch temperature, shorter sintering time, longer service life and less pollution. it is mainly used for repairing converter working face, also for tapping side, tapping hole and bottom

    3 ,轉爐大面補料是採用電熔鎂砂或燒結鎂砂為主要原料,通過加入改性瀝青和特種添加劑使它和傳統瀝青補爐料相比具有高溫附著性好燒結時間短流動性好使用壽命長污染小等特點,主要用於修補轉爐迎鋼面通常稱「大面」也可以用於修補出鋼側,出鋼口及爐底等部位。
  5. Along with high - speed development are such disturbing phenomena as environmental pollution, soil erosion, elnino, ozone hole, increasing sea level and global warming, which have accompanied human beings through the 20th century, and now into the 21st century as thorny problems for the new century

    作為高速發展的伴生物:環境污染、水土流失、厄爾尼諾、臭氧層空洞、海平面升高及全球氣候變暖等令人不安的現象,伴隨著人類走過了20世紀,又伴隨著人類跨入了21世紀,成為新世紀的難題。
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