freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

20xx關(guān)于粉末狀石膏修復(fù)菱鎂礦土壤污染的研究精選-閱讀頁

2025-03-30 03:23本頁面
  

【正文】 骨架, 說明石膏具有促進結(jié)皮構(gòu)成的作用。3Mg (OH) 2+Mg2++SO42++8H2O, 在自然條件下隨著降雨的進展, , 土壤結(jié)皮發(fā)育得到操縱和消除?!   〗Y(jié)論     mmmin1, , 礦區(qū)四周大量的氧化鎂粉塵積累在土壤外表會嚴峻阻礙土壤的理化性質(zhì), 尤其是在構(gòu)成厚實而堅硬的鎂質(zhì)土壤結(jié)皮后, 改變土壤構(gòu)造, 降低土壤浸透功能?!   ⊥ㄟ^對土壤外表的電鏡圖片覺察被氧化鎂粉塵污染的土壤外表結(jié)實而嚴密, 孔隙度較低;而參加石膏作用后的土壤外表孔隙度較大, 外表粗糙而結(jié)實, 有效改良土壤浸透功能?!   ⒖嘉墨I  [1]程琴娟, 蔡強國。應(yīng)用生態(tài)學(xué)報, 23 (12) :34743478.  [3]方玥蒙?! 4]付莎莎。  [5]郭芳。 (碩士學(xué)位論文) .沈陽:沈陽化工大學(xué)。江蘇農(nóng)業(yè)科學(xué), 39 (6) :587589.  [8]劉綺, 寧曉宇, 趙昕。生態(tài)學(xué)雜志, 33 (10) :27822788.  [10]吳發(fā)啟, 波。 (碩士學(xué)位論文) .遼寧鞍山:遼寧科技大學(xué)。土壤通報, 41 (5) :12161221.  [13]楊丹。植物生理學(xué)通訊, 32 (1) :24.  [15]張心昱, 王秋兵, 岳振平, 等。環(huán)境保護與循環(huán)經(jīng)濟, 33 (7) :4751.  [17]Ajwa HA, Trout and water quality effects on infiltration in sandy loam Science Society of America Journal, 70:643650.  [18]AlKayssi AW, Mustafa gypsifereous soil infiltration rate under different sprinkler application rates and successive irrigation Water Management, 163:6674.  [19]Ben HM, Keren effects on water infiltration and soil Science Society of America Journal, 61:565570.  [20]Deng mechanism for soluble phosphates to improve the water and Concrete Research, 33:13111317.  [21]Green VS, Stott DE, Graveel JG, et analysis of soil aggregates treated with anionic polyacrylamides of different molecular Science, 169:573581.  [22]Joshi of magnesite industry on some environmental factors of Chandak area of Pithorgath district in central of Environmental Biology, 18:213218.  [23]Kautz G, Zimmer M, Zach P, et of soil microorganisms by emissions of a magnesite plant in the Slovak , Air, and Soil Pollution, 125:121132.  [24]Machin J, Navas p H changes induced by contamination by magnesium oxides DegradationDevelopment, 11:3750.  [25]Mcintyre splash and the formation of surface crust by raindrop Science, 85:261266.  [26]Raman N, Nagarajan N, Gopinathan S, et status of plant species colonizing a magnesite mine spoil in and Fertility of Soils, 16:7678.  [27]Sojka RE, Bjorneberg DL, Entry JA, et in agriculture and environmental land in Agronomy, 92:75162.  [28]Wang L, Tai PD, Jia CY, et contamination in soil at a magnesite mining region of Liaoning Province, of Environmental ContaminationToxicology, 95:9096.
點擊復(fù)制文檔內(nèi)容
范文總結(jié)相關(guān)推薦
文庫吧 www.dybbs8.com
備案圖鄂ICP備17016276號-1