efflorescent 中文意思是什麼

efflorescent 解釋
adj. 形容詞 1. 開花的。
2. （易）風化的；起霜的。
3. 【醫學】發疹的；易發疹的。

  1. Therdly because of the influence of terrain and geological structure, arenaceous resources of different regions are different in mu us. sands are mainly from riverway in northwest ; from efflorescent cretaceous sandstone on account of higher topography in the middle part of mu us ; and sands resources are intricated in southeast, mainly including riverway sands, sands blown by the wind and embedded sands under so

    3 、毛烏素沙地因受地形和地質構造影響，不同區域的砂質來源情況不盡相同，西北部地區主要為河道沙；中部地區地勢較高，為白堊系基巖裸露而風化成沙；東南部地區沙質來源情況復雜，主要有：現代河道砂、風積沙、也有埋藏在現代壤土之下的出露古沙。
  2. Testing research of coal layer safe extraction in efflorescent oxygenized belts

    風氧化帶內煤層安全開採的試驗研究
  3. The following new opinions : without caving zone coal layer extraction in efflorescent oxygenized belts ; two effects of blocking water and preventing water flowing fractured zone from going on developing after mining effect ; appropriately enlarging the extraction thickness were presented

    提出了風氧化帶煤層開采無垮落帶；受采動影響后，具阻水和抑制導水裂隙帶繼續發展的雙重作用以及適當加大開采厚度等新觀點。
  4. Based on testing data in worksite and engineering practice, the strata damage movement characteristics, rock properties of weathered zone and qualitative and quantitative analysis of the mechanism of coal layer safety extraction in efflorescent oxygenized belts were discussed

    摘要根據現場觀測和工程實踐，論述了風氧化帶內煤層開采時，覆巖破壞移動特徵，風化帶巖石屬性和風氧化帶內煤層安全開采機理的定性、定量分析。
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