水下凝灰巖 的英文怎麼說

中文拼音 [shuǐxiànínghuīyán]
水下凝灰巖 英文
aquagene tuff
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
  • : Ⅰ名詞1 (物質燃燒后剩下的粉末狀的東西) ash 2 (塵土; 某些粉末狀的東西) dust 3 (特指石灰) lime...
  • : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
  1. The concept holds that uranium is leached by groundwater from tuffeceous rocks.

    該理論認為,來自的地淋蝕鈾。
  2. This paper deals with high fluid concrete in which high strength ceramsite made from shale was used as coarse aggregate. effects of cement content, water - cement ratio, sand percentage, mineral admixture, grading and pretreatment of lightweight aggregate on compressive strength and workability of high fluid structural lightweight aggregate concrete have been studied. the rules of water absorption of high strength lightweight aggregate under different pressure and effects on uniformity of high fluid structural lightweight aggregate concrete have been studied too

    本文採用高強頁陶粒,摻加高效減劑配製大流動性結構輕集料混土,討論了泥用量、比、砂率、礦物摻料及輕集料的級配和預濕方式對大流動性結構輕集料混土強度和工作性的影響;系統研究了高強陶粒在常壓和壓力的吸規律;研究了影響大流動性結構輕集料混土勻質性的因素,提出了解決大流動性結構輕集料混土分層離析的具體措施。
  3. In light of great harm from alkali - aggregate to concrete, the alkali activation of the limestone to be used as the aggregate for the concrete in the construction of zhangfeng reservoir is fully tested with petrographic method, accelerated mortar bar method and autoclave expansion test etc., so as to ensure the durability of the anti - abrasion concrete therein

    摘要堿骨料對混土的危害很大,為保證抗沖磨混土的耐久性採用相法、砂漿棒快速法、壓蒸法等4種方法對陽城進行檢驗,以充分揭示張峰庫混土粗骨料是否存在堿活性。
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