查询词典 rock crushing

350Mpa . And they are widely suitable for primary crushing of many kinds of mining and rock such as many kinds of ores, concrete, fireproof material, bauxite, quartzite, corundum, perlite, ironstone, basalt, etc.

它们被广泛适用于初级破碎多种采矿和摇滚等多种矿石，水泥，耐火材料，铝矾土，石英，刚玉，珍珠岩，铁矿石，玄武岩等

At first, this paper conducts in depth research on classification method, compaction propeties, granulometric composition and crushing of stone. On the basis of clarifying engineering characteristics of material of rock-filling embankment, requirements of ground treatment have been put forword in this paper. Then combined with the site test and engineering practice in SHUINAN Road and LANLIN Road, through the synthetical analysis of factors of influencing densification effect for the maximum grain size of filling material, lay-down thickness, granulometric composition, densification machinery and densification frequency etc., this paper studies key technical problems about construction technologies for spreading and leveling of filling material, choosing densification machinery, densification technology and slope construction systematically. Finally, construction technologies of filling lime-stone and sand-stone roadbed have been proposed in this paper ,which are significant for quality guarantee of highway engineering.

本文首先从石料的分类方法、压实特性、粒径组成以及破碎性等方面进行研究，在明确填石路基填料的工程特性基础上，进而提出了填石路基的地基处理要求，然后结合广西水南路和甘肃兰临路填石路基试验路段上的现场研究，通过对填石路基填料最大粒径、松铺厚度、粒径组成，压实机械以及碾压遍数等影响压实效果因素的综合分析，系统研究了填石路基填料的摊铺与整平技术、压实机械选型技术、压实工艺以及边坡施工技术等施工工艺中的关键问题，最后提出石灰岩类和砂岩类填石路基的施工工艺要求。

Most bits work by scraping or crushing the rock, or both, usually as part of a rotational motion.

大多数的钻头都是通过刮削或粉碎岩石，或这两种作用来工作，通常是作为旋转运动的一部分去实现的。

The rock-crushing process of dynamic impacting load is simplified, By means of elastic mechanics and wave theory, the axial force and shearing force of ro...

建立的破岩力学模型对旋冲钻井的进一步发展具有重要的现实意义。

Therefore,test and research on subgrade treatment of cataclastic expansive rock,retaining and protection of high cut slope in crushing and weak rock,and new retaining structure types of high embankment slope,such as piles-plate wall of prestressed anchor wire,reinforced earth retaining wall of new type straps,are conduc.

对此，开展了碎裂膨胀岩路基边坡处理、破碎软岩路堑高边坡挡护和路堤高边坡新型支挡结构(锚拉式桩板墙，新型拉筋加筋土挡土墙)等项结合工程的科研试验，取得突出成果，为南昆铁路的顺利建成和安全运营提供了科学依据。

On the strength of their singles,including the crushing title track and the more pensive" What's This Life For",Creed topped countless year end charts and was recognized as the Rock Artist of the Year at Billboard's 1998 Music Awards.

凭借单曲的实力，包括所向披靡的主打歌与一首较为感伤的《此生为何》，&信念&雄踞无数的年终排行榜之冠，还荣膺&排行榜音乐大奖1998年度最佳摇滚艺人奖&。

This method has the shortages of large calculation work and low comprehensive function. According to the basic rock-crushing theory, a computation model and an evaluation method for rock-crushing efficiency based on the crushing work ratio were provided by analyzing the energy consumption of rock crushing with roller bit.

根据岩石破碎的基本理论，对牙轮钻头破碎岩石所消耗的能量进行分析，建立了岩石破碎比功的计算模型，并提出一种基于破碎比功的岩石破碎效率评价方法。

The rock-crushing process of dynamic impacting load is simplified, By means of elastic mechanics and wave theory , the axial force and shearing force of ro.

以弹性力学、波动理论和冲击动力学为基础，采用室内试验和力学理论相结合的研究方法，建立了旋冲钻井破岩力学模型。

One that breaks, as a machine for breaking up or crushing a substance, such as rock, coal, or plant fibers.

轧碎机，破碎机用来轧碎或碾碎一种物质，如岩石、煤或植物纤维的机器

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。