寒武黑 的英文怎麼說
中文拼音 [hánwǔhēi]
寒武黑
英文
cambrian black-
Helcionelloid mollusk from the lower cambrian heilinpu formation, chengjiang, yunnan
雲南澄江早寒武世黑林鋪組軟體動物太陽女神螺Early precambrian basement and metallogenetic series in eastern heilongjiang province
黑龍江省東部早前寒武紀基底及礦床成礦系列劃分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。Geochemical research on tectonic environment of early cambrian granites in the huzhong area of heilongjiang province
黑龍江省呼中地區早寒武世花崗巖構造環境的地球化學研究Vanadium deposits of biack shaie in upper yangtze platform
上揚子臺區下寒武統黑色巖系中的釩礦床分享友人