地质

The paper introduces the main structure and feature of the charge/discharge manipulator of friction welding geological drill stem as well as the PLC control system used by the manipulator.

本文介绍摩擦焊接地质钻杆上下料机械手的主要结构特点及其所采用的PLC控制系统，并指出该机械手的二次开发前景。

According to their uses, there is piping, and thermal equipment, machinery for industrial use, high-pressure vessel, geological drilling, and oil for industrial use, chemicals for industrial and engineering structures, such as using steel pipe.

按其用途分类，有管道用、热工设备用、机械工业用、高压容器用、地质钻探用、石油工业用、化学工业用和工程结构用钢管等。

Application shield driving method for box jacking construction in underpass of freeways has many advantages,such as without traffic interruption,unlimited distance,safe construction,little restricted by geological condition,lower construction price and shorter construction period,so,it has much value to popularize.

盾构法在下穿高速公路箱涵顶进施工中，具有不中断通行、不限跨径、施工安全、地质条件受限制小以及工程造价低、缩短施工周期等优点，因此具有很好的推广价值。

This paper introduces especially geologic features of occurred feldspar druses in granite pegmatite veins of rock crystal and of rare metal minerals , and discribes 6 kinds of feldspar druse .

介绍了长石晶簇在含水晶花岗伟晶岩和稀有金属花岗伟晶岩岩脉中产出的地质特征，并对六种长石晶簇

The dual structure of the complex fault depression in Songliao Basin and its geologic historic construction determined the existence of two sets of petroleum systems and their differences. The deep fault-depression group developed during Late Jurrasic to early Cretaceous and the particularity of the constructions of its inside sedimentary rock and volcanic rock determined the particularity of the natural gas enrichment conditions.

松辽盆地断拗复合的二元结构及独特的地质演化特征，决定了2套油气系统的存在和差异；晚侏罗－早白垩形成的深部断陷群及其内幕沉积岩和火山岩建造的特殊性，决定了天然气富集条件的特殊性。

This book also studies the problems of fault processing in geological mapping, and cross section making, as well as related problems of variogram estimation, and dual form of Kriging estimation.

本书还讨论了地质绘图过程中断层处理的问题，和剖面图绘制问题，以及变异函数估算中有关问题，和克里金估计方法的对偶形问题。

What's more, the geological conditions are very complex, so several unstability patterns such as shear in the soft rock, dumpage and slide on the structural plane are very possible to occur.

另外该高陡岩质边坡的地质条件又复杂，因此可能发生座滑、倾倒、滑移等多种失稳形式。

This is the place to find information on world records in earth science and geological formations and to also read about key science concepts in the earth sciences, such as plate tectonics and seismology .

这是地方找到的资料，世界纪录在地球科学和地质构造，并也看过有关的关键科学概念在地球科学，如板块构造和地震。

This is an online edition of the book:'This Dynamic Earth: The Story of Plate Tectonics' that was authored by W.

本网站是由美国地质勘探局创建，提供了"动态地球：板块构造论"书刊的网络版，由W。

Considering the geological condition and the construction practice of the expressway, the main factor which influences the earthiness and rock slope stability of expressway in the Chongqing area has been analysed.

结合重庆地区的地质条件和高速公路的建设实践，分析了影响重庆地区高速公路土质和岩质边坡稳定性的主要因素。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。