碳粒砂 的英文怎麼說

中文拼音 [tànshā]
碳粒砂 英文
carbon sand
  • : 名詞[化學] (非金屬元素) carbon (c)
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 名詞(沙子) sand; grit
  1. The results indicate that : 1. the main physical and chemical characteristics vary regularly : with rising of the altitude, there is a transition from silt > sand > clay to sand > silt > clay in the mechanical composition ; the argic horizon emerges below the altitude of 1600 meters ; the content of organic matter is enrichment, the content of organic carbon of epipedon is higher than 20 g / kg, while the content of organic carbon increases with increasing of altitude, and in the altitude of 3500 - 3700meters, the soils under the meadow have the maximum content organic carbon ; the soils appear acid - slightly acid reaction, the ph decreases appreciably and acid strengthen with increasing of altitude ; the soils higher than the altitude of 2500 meters are base unsaturated, indicating the soil leaching is strong, the ph and bs are distinct plus correlated ; the contents of sio2, al2o3, and fe2o3 of the soil body and clay are all relatively stabilization ; in the soil body, the content of sio2 is much high and cao is very little, the total contents of sio2, a12o3 and fe2o3 occupy 92 % of the mineral parts, the sequence of mineral elements is : sio2 > al2o3 > fe2o3 > k2o > mgo > cao > tio2 > mno

    研究結果表明: 1太白山南坡土壤的主要理化性質隨海拔高度的上升呈有規律的變化:隨海拔高度上升,機械組成由粉逐漸過渡到,海拔1600m以下出現粘化層;土壤有機質豐富,表層有機含量一般在20g kg以上,有機含量隨海拔高度升高而相應增加,海拔3500 3700m的灌叢草甸植被下有機含量最高;土壤呈酸性或微酸性,並隨海拔上升, ph值略微降低,酸性增強,海拔2700m以上的土壤多呈鹽基不飽和狀態,表明土壤淋溶作用較強, ph值和鹽基飽和度呈極顯著正相關;土體與粘中的sio _ 2 、 al _ 2o _ 3 、 fe _ 2o _ 3含量相對比較穩定,土體中sio _ 2含量較高, cao含量較少, sio _ 2 、 al _ 2o _ 3和fe _ 2o _ 3含量之和約占土壤礦質部分的92 ,礦質元素含量的順序依次為: sio _ 2 al _ 2o _ 3 fe _ 2o _ 3 k _ 2o mgo cao tio _ 2 mno 。
  2. The organic matter, total n, hydrolytic n were increased, then reduced with the increase of abandoned time. the loss of organic c got up to 59. 4 % in abandoned land. in 0 - 20cm, the sand content of 0. 25 - 0. 05mm was increased gradually, the average content of sand in the abandoned land was up to 76. 84 %, the sand contents of silt and sand was gradually reduced, the soil mechanic compose became coarse

    隨撂荒年限的增加,土壤有機質、全氮、堿解氮等主要養分均表現出先降低后增加的趨勢;撂荒地有機的損失平均達到59 . 4 ;在撂荒地表面0 - 20cm范圍內, 0 . 25 - 0 . 05mm徑的含量逐漸增加,各撂荒地平均含量達76 . 84 ,粉和粘含量逐漸降低,土壤機械組成出現粗化現象。
  3. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明:化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳;不同沖蝕角下復合材料的體積化鎢顆增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大,在0 」和70 」沖蝕角處較小;在化鎢顆體積分數相同的情況下,當漿料中的石英度大時,其體積磨損量增大。
  4. En iso 11124 - 3 preparation of steel substrates before application of paints and related products. specifications for metallic blast - cleaning abrasives. part 3 : high - carbon cast - steel shot and grit

    塗料及相關產品應用前鋼基體的預處理.金屬噴射清潔磨料的規范.第3部分:高鑄鋼噴丸及
  5. Three principal factors had been produced using the first derivative of the sediment reflectance as variables by factors analysis method, which indicate three kinds material source that are finer grain terrigenous sediment ( fine sand and silt ), terrigenous carbonate and biologic carbonate respectively. the trends of traveling and enriching that material sources had given

    以反射率一階導數為變量,利用因子分析方法得到3個主因子,分別代表了研究區三種物質來源,即細的陸源物質(細及粉級) 、陸源的酸鹽物質和生物酸鹽物質,同時給出了三種物質來源的運移和富集趨勢。
  6. The ministry of finance and the state administration of taxation jointly determined to adjust export refund rates of the following products as of 1 may 2005 : ( 1 ) export refund rates of coal, tungsten, tin, antimony and their products decreased to 8 % ; ( 2 ) abolishing of the export refund tax of thulium, thulium oxide, salts of lanthanum, silicon metal, molybdenum ores and its fine ores etc

    中國財政部、國家稅務總局決定自2005年5月1日起調整下列產品的出口退稅率: ( 1 )將煤炭,鎢、錫、鋅、銻及其製品的出口退稅率下調為8 % ; ( 2 )取消稀土金屬、稀土氧化物、稀土鹽類,金屬硅,鉬礦及其精礦,輕重燒鎂,氟石、滑石、化硅,木、木粉、木片的出口退稅政策。
分享友人