main group element 中文意思是什麼

main group element 解釋
主族元素
  • main : adj 1 主要的，主，全，總。2 充分的，盡量的；全力的，有力的。n 1 體力，氣力；力〈僅用於 with might...
  • group : n 1 群；批，簇。2 集團，團體，小組。3 【化學】基，團，組；（周期表的）屬，族。4 （雕塑等的）群像...
  • element : n 1 要素；成分；（構成）部分；分子。2 【化學】元素；【數學】元，素；【機械工程】單元；單體；【無...
  1. The main stratums contain gold element are yanlinggou team of qinling group and huoshengmiao team of erlangping group in sub - paleozoic, the lithologise that are the best related with gold mineralization are graphite marble and dolomite marble in yanlinggou team and splite marble in huoshenmiao team

    主要賦礦地層中元古界秦嶺群雁嶺溝組及下古生界二郎坪群火神廟組，與金礦化關系最為密切的巖性分別為雁嶺溝組石墨大理巖、白雲石大理巖及火神廟組細碧巖等。
  2. This paper gives a review on the research work of organogallium complexes formed by gallium and main group element, transition element as well as typical ligands

    對最近幾年鎵與主族元素、過渡元素及其他一些典型配體形成的有機鎵配合物的研究進展作一概述。
  3. The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area

    本論文針對淮北地區水資源開發利用現狀及存在問題，以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象，運用系統工程觀點，採用數學模型方法，對該區水資源問題進行了綜合研究，主要內容為： （ 1 ）地下水資源及開發利用現狀； （ 2 ）地下水計算參數測定和計算方法； （ 3 ）灌區經濟參數； （ 4 ）採用有限單元法、面狀井系法、水均衡法，建立亳州渦河以北地下水位預測模型； （ 5 ）建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型，應用系統分析的方法，研究地表水與地下水聯合運用，農業最優種植模式及各種水源的最佳分配比例； （ 6 ）淮北地區水資源開發利用存在問題及建議。
  4. The properties of pile group under vertical load are analyzed by the three - dimensional finite element method. on the condition of this geological property, some main conclusions are obtained

    在豎向荷載作用下，荷載在樁間的分配，最終以中心部分樁受到的荷載最大； 2
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