查询词典 limestone

Calcareousness stone mainly content is calcium carbonate, this kind of stone is sensitive to acid detergent, limestone mainly include marble , limestone and onyx.

石灰质石材的主要成分是碳酸钙。这种石材对酸性清洁产品很敏感，与硅酸类石材相比要更经常更换清洁用品。

Sometimes called dolostone or dolomitic limestone, dolomite differs from limestone because it contains magnesium as well as calcium.

有时叫白云岩或者白云灰岩，白云石不同于石灰石，因为它包含镁和钙。

In the areas distributed by Silurian siltstone and sandstone, Ordovician dolomite and dolomitic limestone, as well as Middle-Upper Cambrain limestone and calcirudite, the selenium content of the water in springs and wells is low.

含硒量低的志留纪砂岩和粉砂岩、奥陶纪白云岩、白云质灰岩以及中、晚寒武世灰岩和砾屑灰岩分布区的泉水和井水的含硒量低。

As the caves where the rock with limestone and dolomitic limestone-based, water seepage and corrosion in the crevice under the rock an overall poor, the upper half soft, hard second half, in order to prevent cave broken Special cuts on each hit Jigen bolt or even tens of root reinforcement, and high-strength resin grouting to improve its integrity.

由于石窟所在岩体以灰岩和白云质灰岩为主，在裂隙渗水和腐蚀的作用下，岩体整体性较差，上半部较软，下半部较硬，为防止石窟破碎，特在每个切块上打了几根甚至几十根钢筋锚杆，并以高强度树脂灌浆，提高了其整体性。

Several points can be concluded for the area from this paper study:(1) Hydrocarbon mainly occurs in the lower interval of bioclastic limestone and dolomitic limestone(the special lithologic interval ) in Es_1 Member,in which solution pores well developed;(2) Traps are mainly anticlines controlled by f.

本文研究表明，大中旺地区油气主要分布在沙一段下部的生物碎屑灰岩和云质灰岩段，储层溶蚀孔隙发育；圈闭主要为受断层控制的断背斜构造；原油具有高密度、高粘度、中低凝固点、高初馏点、高含硫量和高胶质沥青质等特点，属于未成熟—低成熟油；油源为本地咸水环境下形成的沙一段暗色泥岩。

Using methods of sedimentary and geochemistry, this paper analyzed the sedimentary environment in the Majiagou Formation. It suggests that Member 1, Member 3 and Member 5 are characterized by a dry and hot climate as well as fall of the sea level. The area of Well Longtan 1 in the eastern basin is abundant of platform evaporites with the depositional anhydrite and salt rock, surrounded by a suite of dolomite intercalated by the thin layers of anhydrite from the anhydrite\|dolomite platform sediment. It deposits muddy dolomite, dolomitic limestone and fine\|grained dolomite in the limestone-dolomite platform and restricted sea.

运用沉积学与地球化学方法，分析了研究区马家沟组的沉积环境，认为：马一段、马三段和马五段沉积时期气候干热，海平面下降，盆地东部龙探1井区一带主要为台地蒸发岩相沉积，发育了膏盐岩和盐岩沉积，其周边则发育了一套白云岩夹薄层硬石膏岩的含膏云坪相沉积，在盆地东部周边地区主要沉积了泥质白云岩、白云质灰岩和细晶白云岩的云灰坪和局限海相沉积。

In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1～0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.

本文采用三维有限元浮动网格法仿真计算程序，对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析，对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析，在此基础上提出了推荐的施工方案；根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案；玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果，对推荐的施工方案进行了温度场和温度徐变应力仿真计算，并对比分析了两种不同骨料情况下的温度场和温度应力，结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求，且灰岩细骨料优于玄武岩细骨料；计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响，夏季蓄水方案与冬季蓄水方案相比，坝体上游变态混凝土区域最大拉应力小0.1～0.3MPa，其他部位最大拉应力无明显变化，夏季蓄水对坝体上游面混凝土的抗裂有利；根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施，对大坝的设计温控措施进行了综合评价，并提出了该工程的温控措施，对温控设计和优化施工方案具有重要参考价值。

Grand Canyon precipice on the bare rock era of large-span, both formed 20 million years ago schist Vishnu (Vishnu Schist, located in Inner Gorge at the bottom), and 2.3 billion years ago formed the limestone Keba (Kaibab Limestone, located on the shore).

大峡谷崖壁上裸露的岩层年代跨度很大，既有20亿年前形成的毗湿奴片岩（Vishnu Schist，位于 Inner Gorge 底部），又有2.3亿年前形成的凯巴灰岩（Kaibab Limestone，位于岸上）。

In five sample plots respectively in limestone and lateritic gold deposit area,105 specimens of the bryophytes were collected from five limestone sites and five lateritic gold mine si...

野外在红土型金矿区和石灰岩各设5个采样点，共观察和采集了105份苔藓标本。

A method for the determination of mixedness degree of red mud and limestone by spectrophotometry with 1,10-phenanthroline was developed. The mixture of red mud and limestone was dissolved by hydrochloric acid, and iron content in the sample solution was determined by spectrophotometry with 1,10-phenanthroline.

用盐酸提取赤泥和石灰石的混合料后，通过邻二氮菲分光光度法测定提取液中铁含量，进而求得混合料中氧化铁的质量分数，以此来衡量混匀度。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。