頁巖類 的英文怎麼說
中文拼音 [yèyánlèi]
頁巖類
英文
argilloid-
But in contrast of the research of chemical weathering of other rocks, such as granites and basalts, the research of chemical weathering of black shales both in width and depth still remains much to advance. after reading and investigating widely, we selected lower - cambrian black shales and their weathering profiles in hunan province as research objects of our work at first. then, based on field investigation of weathering status of lower - cambrian black shales and it ' s relationship with soil composition and human activities in hunan, we studied changes of chemical composition such as major and trace elements before and after weathering of black shales by comparison
根據文獻閱讀和野外調查，本文選擇了湖南安化、桃江、望城等地下寒武統黑色頁巖及有關風化剖面作為研究對象，並在查明湖南下寒武統黑色頁巖的風化現狀及其與土壤組成、人類活動的關系的基礎上，對比研究了黑色頁巖風化前後主量和微量元素等化學組成的變化，探討了元素的富集和遷移轉化機制以及黑色頁巖風化與區域環境質量的關系，得出了如下幾點主要成果和認識： （ 1 ） ti是黑色頁巖風化過程中的「不活動」元素，可作為參照元素，對其它元素的活動性進行質量平衡計算。Standard test method for slake durability of shales and similar weak rocks
油頁巖和類似弱巖石抗崩解持久性的標準試驗方法The people. you remember the shale oil
人類你還記得頁巖油嗎Biodiversity indices are much influenced by the types of the vegetation in jinfo mt. the species richness index, diversity index and evenness index of the plots in karst area raised when the plots were jamming early and slightly ; species richness index and diversity index of the plots in nonkarst area raised when the plots were jamming early and slightly, but evenness index fell. the diversity index and species richness index of original vegetation in karst area are lower than in nonkarst area
不同植被類型顯著影響其生物多樣性的變化，金佛山石灰巖地區植被在受到中輕度人為干擾初期，其物種豐富度和多樣性、均勻度指數均有提高；砂頁巖地區植被受到中輕度干擾，豐富度和多樣性指數有所提高，均勻度指數呈相反趨勢；石灰巖地區原生植被生物多樣性和物種豐富度指數較砂頁巖地區的原生植被低。The detailed opinion of the enterprise ce wood, a. s. has pertinent information on forestry and on production. moreover, purchase and sawmill and / or species are offered
是一家現代化的、可靠的產品供應商，這家供應商從事巖石，植物，地表沉積、鱗狀沉積，種類藥茶的製造、銷售。請您訪問我們的主頁，垂詢當前的信息和服務。Through the analysis of the stratigraphy and sedimentary facies of the research areas, the description model between the stratigraphic framework and deposite environment can be set up firstly by the transition from the " three horizons sandstone with two intercalated limestone horizons ' mn yanshiping area to shale and marl in amdo - zigetang co, and to oil shale in bilong co, then by the transition of the shallow water platform facies to the deep water continental shelf, slope, and to the deep water basin
通過對研究區地層和沉積相分析，建立起一個從北向南由雁石坪地層類型「三砂夾兩灰」過渡為安多?茲格塘錯地層類型泥頁巖、泥灰巖，最後到比洛錯地層類型黑色油頁巖，由淺水臺地相過渡到深水陸棚、斜坡，最後到深水盆地相的地層格架與沉積環境解釋模式。Surface, the easliy wear and tear parts use grinding - resistant material, extruding part use variable cylinder diamethe extruder with compact structuures, transmission gear with hard gear ter detachable pitch, great extruding p0ressure, high vacuum degree, low loading capacity ( electricity - saving more than 25 % than the same product ). it reaches advanced domestic level andcan replace imported items. it is suitable to produce hollow brick with high hole ratio, coal waste rock hollow bricks, shale hollow bricks, prower coal ash hollow - bricks. the extruder won the scienttific and technological progress pride of the lst building material scientific and techniques achievement exhibition in jiangsu province and the golden prize of the mational brick and tile energy - saving lxln achievement
該機結構緊湊、傳動齒輪均系硬齒面，易損件採用耐磨材料、擠出部分採用變缸徑、變螺距、擠出壓力大、真空度高，裝機容量低（比同類產品節電25 % ） ，性能優于進口同類設備，適用生產高孔洞率空心砌塊、煤矸石、頁巖、精煤灰空心磚及各類高摻入量粉煤灰磚和低塑性原料磚，該機在江蘇省首屆建材科技成果展覽會科技進步獎； 94全國磚瓦節能四新成果展覽會金獎，西安國際博覽會金獎。Comparing with other rocks, black shales are actually a series of sedimentary rocks enriching sulfide minerals, organic matters and trace elements such as v, ni, mo, cu, zn etc. thorough studies of black shales weathering have important theoretical, economic and environmental values
與其它巖石類型相比，黑色頁巖是一類富含硫化物、有機質以及v 、 ni 、 mo 、 cu 、 zn等微量元素的沉積巖，對該類巖石進行化學風化作用研究具有重要的理論、環境和經濟價值。分享友人