極細砂 的英文怎麼說

中文拼音 [jíxìshā]
極細砂 英文
very fine sand
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 細 : 形容詞1 （條狀物橫剖面小） thin; slender 2 （顆粒小） in small particles; fine 3 （音量小） thin ...
  • 砂 : 名詞（沙子） sand; grit
  1. Ultra fine gental, natural exfoliants, can remove dead skin cells, nourish and massage the skin. add into soaps or aloe gel / base creams / base oils to make exfoliating cleanser

    極微細天然粒子，可除去皮膚老舊角質，滋潤和按摩皮膚。可加在手工皂、蘆薈膠/乳霜/底油作磨砂和按摩。
  2. Grain - size accumulation percentage of the aeolian sands in the past 150 ka in milanggouwan section is mainly characterized by the aeolian palaeo - mobile dune sands, which are composed of majority fine sands and minority very fine sands. there is n ' t almost any silt and clay. those of the fluvial facies, especially the lacustrine facies and palaeosols, are mainly composed of very fine sands and also contain some quantities of silt and clay

    米浪溝灣剖面150kabp以來風成砂的粒度累積百分含量以古流動砂丘砂物質為主，其中以細砂含量最高，極細砂為次，幾乎不含粉砂與粘土；河流相、特別是湖沼相與古土壤以極細砂含量占優勢，且具一定含量的粉砂和粘土。
  3. The test results show that the drawing interval of 1. 5 m is helpful for controlling dead - unconsolidated thin sandstone of coal seam roof and reduce sand ratio of drawn top - coal

    試驗結果表明，放煤步距採用三采一放有利於控制頂板極鬆散細砂巖，降低放出頂煤的含砂率。
  4. Thus it became well - known for frequent geologic - disaster and landslide in the stratum area. xigeda soft rock is made up from minute sandstone, mud siltstone, siltstone mud and mudstone. it is inland fluviolacustrine phase deposit rock with rhythm - cyclic character of depositional geology

    昔格達組極軟巖屬內陸靜水河湖相沉積，主要由粉細砂巖、泥質粉砂巖、粉砂質泥巖和泥巖組成，具有明顯的沉積韻律特徵。
  5. In order to optimize the parameters of running top coal under different coal and gangue fragmental size, on the basis of measuring and analyzing the distribution character of top - coal fragmental size, running top coal was studied for the coal seam with dead - unconsolidated thin sandstone roof by loose medium model experiment

    摘要為了優化不同煤矸塊度條件下的放煤工藝參數，在實測分析頂煤破斷塊度分佈特點的基礎上，採用散體模型試驗的方法對煤層頂板為極鬆散細砂巖條件下的放煤工藝進行了研究。
  6. Some conclusions are drawn as following through analysis and research : 1. through rectifying finest sand character and concrete mix ratio test, anti - split capability of structure concrete is strengthen ; 2. heighten ratio of fly ash in finest sand concrete is beneficial to temperature control of huge volume concrete

    本文通過分析研究，得出以下成果: 1 .通過混凝土配合比試驗及特細砂混凝土改性研究，特細砂混凝土強度達到普通混凝土強度，且混凝土28天齡期極限拉應變為1 . 10xl0一4 ，高於普通混凝土29 . 4 % ，具有良好的抗裂性能。
  7. Vegetation restoration also resulted in the changes of soil physical and chemical properties, i. e., the contents of organic matter, alkali - hydro nitrogen, rapidly - available potassium and the contents of fine sand, very fine sand and clay were increased significantly, while ph and the content of rapidly - available phosphorus were decreased

    植被的恢復使土壤理化性質發生了變化，與恢復前相比土壤中有機質、堿解氮、速效鉀以及細砂、極細砂、粉砂、粘粒含量顯著增加， ph值和速效磷含量降低。
  8. The sand in taklamakan bo has fine grains with similar diameters, and its strength characteristics are not fully are to ordinary sand as well as silty. but its strength shows some features similar to clay when with some water content

    塔克拉瑪干沙漠砂顆粒極細，粒徑均勻，其強度特徵既不完全等同於普通砂，又不同於粉土，在含水狀態下則又表現出與粘性土相類似的特點。
  9. The experiment was done that the cured cement stone with addition of calcined kaolin were dipped into nacl solution of 2. 5wt %, and the experiment results showed that addition of calcined kaolin made cement stone pore fine and cement mortar displayed high property of impermeability

    煅燒高嶺土的摻入可以使水泥石中的孔細化，通過對煅燒高嶺土摻入水泥中標養后在2 . 5氯化鈉溶液中浸泡試驗發現，煅燒后的高嶺土摻入水泥砂漿使其具有極好的抗滲透性。
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