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Pneumatic hammer drilling technology with low wob,low rate of revolution and high capacity to break rock is one of the best effective methods to solve the problems of hard rock drilling.It includes air drilling and rotary drilling technology,so its penetration rate is usually two or three times higher than rotary drilling.

空气锤钻井是一种低钻压、低转速、高冲击破岩回转钻进技术，它兼容了气体钻井和冲击回转钻井的优势，其机械钻速一般比回转钻井高，是当今解决硬岩钻井难题的一种有效方法。

A forof single zircon U-Pb dating and whole rock isochron of Sm-Nd dating suggested that thePalooproterosoic rock in Chthaysia Bfork is formed in the time span from 2 400 Ma to 2000 Ma,Mesoproterocoic frOIn 1 400 Ma to 1000 Ma and the latest formdfrom 740 Ma to 430 Ma.

该区变质基底的时代划分、区域对比、基底结构和性质一直存在较大的分歧和争论，最早Grabau（1924）认为中国东南沿海存在太古代的基底，提出华夏古陆的概念匕］。

The organic facies are researched in the region, the result indicated: coal rock is mainly the better hydrocarbon source rock and has better latent capacity of producing oil and gas. Feature of reservoir was analyzed, the result indicated: from south to north of along qiguang fault, the depth of coal bed augments inch by inch; the coal bed thickness accretes at first and then decreases until steady.

通过对研究区的煤岩有机相特征的研究，得出：煤岩主要为较好烃源岩，具有较好的生油气潜力；分析了煤储层特征，结果表明：在垂直齐广断裂由南往北方向上，煤层埋深逐渐增大；煤层总厚度先增大后减小至稳定。

Club-fitting uptempo singles like "Kerosene" or "The Vitriol" sit side by side with gloomy gothic rock songs such as "Harvest" and "In Every Sin" or dark rock hymns like "Nothingness" and "Unspoken" and even epic ballads "My Eyes" and finally the 10-minute title track "Aphelia", all melt into a harmonic concept album of eternal beauty.

俱乐部装修uptempo单打像&煤油&，还是&硫酸&坐并排与灰暗的哥特摇滚歌曲，如&收获&和&每单&或深色岩石呗像&虚无&和&潜&，甚至史诗歌谣&我的眼睛&，终于在10分钟的标题轨道& aphelia &，都变成泡影，一个和谐的概念专辑，永恒之美。

It has the metamorphic rock sight—"the Inartificial Gallery" which is black and white, devious and whirlabout and likes the reversal cloud-mist and rising sun, the granite vein injecting along the bedding of gneiss crossing the river-gorge—"the White Dragon Crossing River", nine veins apposing on the rock wall—"the Nine-dragon Wall","the Inartificial Wall " formed by the paragenesis of the level joint and the vertical joint, and the small and exquisite undercutting cave which is the wonder of the new tectonic movement.

有黑白相间、曲折盘旋，如云雾翻卷，似霞蔚蒸腾的变质岩景观――&天然画廊&，有沿片麻岩层理贯入的花岗岩脉，横跨河谷的&白龙过江&，有九条岩脉并列在岩壁之上的&九龙壁&，有水平节理与垂直节理巧妙共生而形成的&天然城墙&，有新构造运动遗迹――小巧玲珑的淘蚀洞穴。

The results show that the concentration of displacement and stress in surrounding rock intensifies with the increase of excavation steps. The maximum compression and tension stress reach 54 MPa and 3.9 MPa, which are close to the peak strength of surrounding rock. When the tailings are backfilled, the magnitude of floor heaves reduces about by 5 mm, and the maximum compressive stress drops to 32 MPa. Distribution of both stress and displacement fields are improved and the stability of stopes can be ensured during the mining process.

研究结果表明：随着开挖逐步推进，围岩位移不断增大，应力集中现象明显，最大压应力达54 MPa，最大拉应力达3.9 MPa，接近围岩的极限强度；在尾砂回填后，底鼓量下降5 mm，最大压应力降至32 MPa，表明应力场和位移场均得到改善，能确保回采期间采场的稳定。

In order to find out the conditons of water-rock interaction in brine-bearing strata and the main influencing factors,for deeply probe the evolving mechanism of deuterium excesses,the simulating experiment of brines water-rock interaction has been put on the study schedule.

为了查明卤水储层水/岩相互作用的条件及其主要的影响因素，深入了解卤水的氘过量参数演化机理，卤水的水/岩反应模拟实验被提上研究日程。

Instead of bulldozing off the clay and exposing the rock, drilling was carried out through the clay and the rock by the use of special equipment

在这里使用特殊设备穿入土层和基岩中进行钻眼，以取代常规的清除掉淤泥层使基岩外露的施工方法。

The fold cambers in plane which protrudes to the south. Regional tectonic pattern show bigger hiberarchy, which mainly is composed of roof -slippage-fault-fold. The tectonic pattern of shallow hiberarchy which includes middle-upper Triassic's fragmentary rock is fault-propagation and low-angle faults fracture, its roof rock is mainly pelyte. The tectonic pattern of midding-deep hiberarchy which includes upper Paleozoic's carbonatite is possibly thrust and broad-tempered fold.

研究区的构造样式表现出较大的层次性，总体为盖层滑脱式逆冲褶皱型，其中，以中、上三叠统碎屑岩为主的浅层次，其构造样式主要为紧密型断滑或断展褶皱低角度逆冲断裂，其滑脱面为三叠系下部泥质岩或粉砂质泥岩；以上古生界碳酸岩为主的中深层次，其构造样式推测以冲断和宽缓褶皱为主。

"Hellfire Club" rockets to the charts world wide and makes the band embark to another very successful headlining tour featuring more than 80 shows around the globe, climaxing in festival appearances at "Rock am Ring" and "Rock im Park".

&地狱之火俱乐部&火箭图表世界各地，并使得乐队走上另一个非常成功的巡演有超过80个全球显示的，在艺术节上露面高潮&摇滚上午环&和&摇滚即时公园&。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。