石灰岩

Algae, echinoderm, bivalve, and reef-building organisms including bryozoan, coral, stromatoporoids, and sponge are conserved in the carbonate of the Yijianfang Formation.

通过对塔河南盐下地区28口钻井岩心中奥陶统一间房组的详细描述和3 200余块薄片的鉴定，确认其主要的岩石类型有生屑灰岩、生物灰岩、藻球粒灰岩、含核形石灰岩、鲕粒灰岩、内碎屑灰岩、微晶灰岩、海绿石灰岩。

The coating's protective efficiency and hydrophobicity were investigated by water absorption by capillarity and contact angle respectively.

使用毛细管吸收量评价防护涂料的保护程度，使用接触角评价防护涂料的疏水性，使用离子色谱测定石灰岩腐蚀层中形成的硫酸盐，根据硫酸盐的量决定石灰岩的腐蚀程度。

Agricultural lime, either finely ground dolomitic or calcitic limestone, applied directly to acid soils is an inexpensive way to increase crop yields and reduce fertilizer input costs.

农用石灰，不管是粉细的白云石质石灰岩，还是方解石质石灰岩，直接施到酸性土壤是提高作物产量和降低肥料成本的一条廉价途径。

The results indicate that there is a high ratio of difficult to use land with exposed basement rocks in homogenous limestone, limestone interbedded with clastic rock, mixed dolomite/limestone assemblages.

结果表明，难利用的、岩石裸露的石旮旯地在连续性石灰岩、石灰岩夹碎屑岩和石灰岩与白云岩互层分布区的比例很高。

There is a thick layer of limestone under the mountain while it is magmatic rocks under the plain.

济南位于山区和平原的交界处，山区下面是一层很厚的石灰岩，平原下面却是岩浆岩，山区的石灰岩由南向北倾斜，到了济南，正好被切断。

There are 18 species of Paphiopedilum in China. Most of them grow in limestone regions and are epiphytic or terrestrial. There are two types of leaves mottled leaves and green leaves. They distribute in subtropics of China. Five species of subgenus Brachypelalum are the most primitive grou p of Paphiopedilum in China and four of them distributed in the limeston e re gions of Eastsouth Yunnan. Most species of Paphiopedilum distribute in this area,too.

国产兜兰野生种共有18种，主要分布于热带过渡地区，主产西南各省区；大多数种类生长于石灰岩山地，多为半附生兰，呈丛生生长，另一部分生长于酸性砂岩面的腐叶土上，多为地生兰，呈单株生长或分蘖状散生；大部分兜兰分布于较高海拔地区；国产兜兰属中最原始的短瓣亚属绝大部分种类仅分布在滇东南地区与贵州、广西连成一片的岩溶地貌的石灰岩地区，而兜兰属中较进化的兜兰亚属大部分种类在本区皆有分布。

Approximately 30,000 years ago, long on stable sand dune plant root, passes through the long time the decency, has formed the limestone, after the plant dies, the sand dune unceasing migration, causes these calcifications the limestone to reveal the surface, has formed the stalagmite which the present sees.

大约在3万年前，长在稳定的沙丘上的植物根部，经过长时间的风化，形成了石灰岩，植物死后，沙丘的不断移动，使这些钙化的石灰岩露出地表，形成了现在所看到的石笋。

Induced porosity is typified by fracture development as found in some shales and limestones and by the vugs or solution cavities commonly found in limestones.

次生孔隙度是以某页岩和石灰岩的裂缝和石灰岩中的岩穴和溶洞为代表。

Some limestones are precipitated directly form sea or lake water. Others are composed largely of the shells of animals that lived in prehistoric seas.

有些石灰岩是由海水或湖水中物质直接沉淀而成，而另有一些石灰岩则大多是由生活在史前海洋中生物的外壳组成的

Some limestones are precipitate d directly form sea or lake water. Others are composed largely of the shells of animals that lived in prehistoric seas.

有些石灰岩是由海水或湖水中物质直接沉淀而成，而另有一些石灰岩则大多是由生活在史前海洋中生物的外壳组成的

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了