地层的

According to these, we can realize tectonic control, palaeogeographic pattern as well as palaeobiogeographic distribution of the Qinghai-Tibet Plateau in the early Paleozoic and also provided the materials to the cosmepolitical biostratigraphic contrast.

新建下奥陶统扎扛组和他多组，完善了藏北地区早古生代地层序列，为研究青藏高原在古生代早期的构造活动、演化、古地理分布格局及古生物地理区划提供了资料，也为世界性生物地层划分对比提供了依据。

Much attention is paid to petrologic recognition marks and distribution regulation of volcanic event strata in coal-bearing sequences of Taiyuan formation in the middle of North China.

概要：桑树勋刘焕杰贾玉如摘要研究了华北中部太原组含煤地层中火山事件层的岩石学识别标志和分布规律。研究结果表明：含煤地层中广泛发育火山事件层。

International stratigraphic chart contains more than 30 EC, only Lopingian formation of China as a standard.

国际地层表包含30多个统，只有乐平统是以中国地层为标准的。

In Part one, Jurassic stratigraphic division in Eastern Inner Mongolia and Western Liaoning has been done.

第一部分：对辽宁省西部和内蒙古自治区东部的侏罗系陆相地层研究简史和地层划分进行了概括和总结。

The minimum underbalance is independent of viscosity and compressibility and of reservoir fluids. It is a function of the formation porosity, permeability and radius of perforation channels.

最小测试压差不是依赖于地层流体粘度和压缩性，而是为地层孔隙度、渗透率和射孔孔眼半径的函数。

The ground is full of water and contains a large amount of cobbles. Therefore the shield tunneling is very difficult.

成都地层条件为富水的砂卵石地层，卵石含量高，盾构施工难度大，风险大。

DePriester model depends on the sieved curve of formation sand and is feasible for non- uniform sand especially, and under which Saucier model is not applicable.

DePriester方法使用地层砂筛析曲线，信息依据丰富，尤其适用于不均匀地层砂不宜使用Saucier方法的情况。

The research results indicate that ocean degression happened 7200 aBP-5300 aBP, which made large area of land exposed, and offered good space for human activities during the Liangzhu Culture epoch.

上海马桥遗址14C测年、环境地球化学、孢粉与环境磁学分析，结合搜集的研究区部分考古地层与自然地层分析，结果表明，7200 aBP～5300 aBP研究区经历一次海退过程，大面积土地裸露，为良渚时期人类活动提供了广阔空间。

Through experiment and the analysis of tectonic evolvement, this paper discusses the causation of the coincidence of formation water and hydrogen sulphide.

通过模拟实验和地层理藏演化史分析，从硫化氢生成条件及地层流体运动学角度探讨了这一现象的成因。

Holocene stratigraphic profile at least documented 6 times reverse processes and 7 times positive processes of desertification during the Holocene period.

地层沉积相记录以及地层中古风成砂和古土壤层绝对年代的测定，证明末次间冰期以来研究区曾经历了多次沙漠化正、逆交替变化过程。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失