- 煤的成因類型
- type: n. 1.型，類型，(工業(yè)產品的)品種；風格，型式。 2 ...
- coal: n. 1.煤，煤塊，煤堆。 2.〔pl.〕〔美國〕(一堆 ...
- coal types: 煤類
- genetic types of coal: 煤成因類型
- of the … types of: 在這一類……之中
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- 煤的成因類型
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- The jiangcang mining area locates the position of special earth structure , regional structure developed distinguishingly , with the third kind of structure complicated degree and the third type of coal bed stable degree and metamorphic grade
摘要江倉礦區(qū)位于特殊的大地構造位置，區(qū)域構造演化特殊，構造復雜程度屬三類，煤層穩(wěn)定程度和煤質變化程度屬三型。 - With the development of years , the coal trade of heilongjiang province has formed an industry system , which made of many types of coal enterprises , including state - owned important coal enterprises , local state - owned coal enterprises and villages and towns coal enterprises
黑龍江省煤炭行業(yè)在過去幾十年的發(fā)展過程中形成了以國有重點煤炭為骨干、地方國有煤礦與鄉(xiāng)鎮(zhèn)集體煤礦多層次并存、多類型煤礦相結合的煤炭工業(yè)體系。 - Are about 12 billion tons . the main types of coal are coking coal , gas bituminous coal , lean coal and anthracite , etc . xiangning coal field is one of the three biggest metallurgical coal bases of the whole country , with the characteristics of thick bed ,
首屈一指的煤炭資源，儲藏面積1 . 54萬平方公里，占總面積的5 % ，總儲量960億噸，探明儲量120億噸，主要煤種有主焦煤氣肥煤貧肥煤瘦煤無煙煤等，其中鄉(xiāng)寧主焦煤為全國三大主焦煤基地之一，而且煤層厚埋藏淺易開采。 - In order to complete the research on optimal control regular for coal - fired boiler inflammation system . in this paper , a type of coal - fired boiler inflammation system is regarded as the research target , after separately analyzed steam pressure loop and economical inflammation loop , we obtained the relevant control scheme , and designed a kind of fuzzy - pi compound controller on based of genetic algorithm to control two loops , and using genetic algorithm tool kit below the matlab progressed system simulation research
為了完成對燃煤鍋爐燃燒系統的最優(yōu)控制規(guī)律的研究，本文以某型燃煤鍋爐的燃燒系統作為研究對象，分別對其蒸汽壓力回路和經濟燃燒回路進行系統分析，得到了相應的控制方案，設計了一種基于遺傳算法的模糊- pi復合控制器對該系統進行控制，并用matlab下的遺傳算法工具箱進行了系統仿真研究。 - Abstract : a new type of coal cutter with special cutting plate operated by outside power has been put forward based on thin seam mining after analyzed the adaptability of coal planers and shearers . this analysis shows that this type of thin seam coal mining equipment has obvious characteristic and actual reference value for manufacturing a new kind of thin seam coal cutter
文摘:通過對刨煤機和滾筒式采煤機的適應性分析，對薄煤層的開采提出了一種新型的外設動力截盤式滾筒采煤機，研究分析表明，作為薄煤層采煤設備具有明顯的特點，對研制新型薄煤層采煤機有著實際參考價值。