裂紋巖塊 的英文怎麼說
中文拼音 [lièwényánkuāi]
裂紋巖塊
英文
bread crust boulder-
Subordinate are plagioclase granite dike, layered tonalite, tonalitic conglomeration dispersed in amphibolite, ultramafic rock and metabasalt etc. plenty of igneous accumulated banding were discovered in amphibolite from nujinshan and bujing area some residual clinopyroxene also were found in a few of sample
超鎂鐵巖多為構造透鏡體分佈於斷裂帶中，多蝕變為蛇紋石巖，在牛井山及布京一帶已發現並圈定了9個巖體（塊） 。At first, the author has analyzed the theory, mechanism and shock - absorption in pre - split blasting, studied the rising of crack, expanding and stopping, and did various factors which influence on the crack of rock in pre - split blasting. the main factors have been determined to be the strength of mineral and rock, the diameter of drill, the type of explosive and the growth degree of crack. then, the author has researched bp neural networks " work principle, structure and defectiveness
首先分析了巖石成縫的理論、機理和減震作用，研究了裂紋的起裂、擴展和止裂；分析了各種因素對巖石預裂爆破成縫的影響，確定了礦巖強度、孔徑、炸藥類型和裂隙發育程度作為主要影響因素；並研究了bp神經網路工作原理、結構和缺陷，把改進的bp神經網路運用在巖石預裂爆破參數設計中，建立以礦巖強度、孔徑、炸藥類型和裂隙發育程度為主要影響指標的bp神經網路的預裂爆破參數設計識別模型；運用matlab6 . 5語言開發了爆破參數設計的智能系統，實現了預裂爆破參數設計的自動化，用工程實例驗證系統模塊的功能。
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