白垩的

Early Cretaceous granitic volcanic-intrusive complex in Xiushanlinchang of northeastern Da Hinggan Mt. consists mainly of rhyolite, rhyolite ignimbrite-trachytic dacite, trachyandesite formed in eruptive cycle stage and adamellite porphyry-geode syenogranite-graphic alkali feldspar syenogranite formed in hypabyssal invasion stage.

大兴安岭东北部秀山林场一带的早白垩世花岗质火山－侵入杂岩体由喷发旋回期的流纹岩、流纹质熔结凝灰岩－粗面英安岩、粗安岩和浅成侵入期的二长花岗斑岩－晶洞正长花岗岩－文象碱长正长花岗岩构成。

We have extracted DNA from the inclusion of a dinosaur egg fossil from the Late Cretaceous in Xixia Henan,China, DNA fragments are isolated from the floccus in the cavity of the egg fossil,and confirmed by the method of random primer isotope labelling.

本文从河南省西峡晚白垩世的一枚保存方式特殊的恐龙蛋化石中提取DNA，经过￣32P同位素标记和电泳分析，发现在蛋内腔的絮状物样品中确有DNA片段存在。

The Gamba basin of southern Tibet, is located in the east of Tethys tectonic region, whereexposes complete strata from late Cretaceous to Paleogene. The strata yield abundantfossils, and accurate biostratigraphic works have been done by previous studies.

西藏南部岗巴盆地位于位于特提斯构造域的东端，发育有完整的晚白垩世至古近纪地层，地层中化石丰富，前人根据化石研究准确地进行了地层时代的划分。

Through U-Pb isotope age study in sheeted dike complex, has gained the isochrone age is114-133Ma.The age is early cretaceous,which indicates the time of formation of sheeted dikecomplex.

另外，在该蛇绿岩套中的岩墙群进行了单颗粒锆石U－Pb同位素测年，获得的表面年龄值为 114－133Ma 之间，时代为早白垩世，基本反映了席状岩墙群的成岩年龄。

Made by mixing whiting and linseed oil, used to fill holes in woodwork and secure panes of ''.

油灰面状的胶泥，由白垩粉和亚麻油混合而成，用于填补木制口上的小洞和固定窗上的''。

There is a short time exposing facebetween them. At the contact, the Paleocene clastic rock of Zongshan Formation overliesdirectly on the latest Cretaceous shelf carbonate rock.

古新世的砂砾岩直接覆于晚白垩世的陆棚碳酸岩盐沉积之上，沉积的重大转变代表一次区域构造运动。

Research on clay mineral s from the Jurassic-Cretaceous in Northeast of the "Eastern Plateau",China indicates that the change in clay mineral assemblage and content was related with paleoclimate,source and paleography,and IC did not vary with the depth of the stratum.

通过对"东部高原"东北部地区中侏罗统—白垩系中黏土矿物分析，结果显示黏土矿物的组合及含量变化能够较好反映当时的气候、物源以及古地理变化；同时，伊利石结晶度不具有随地层深度发生变化的规律。

It is built on the right bank of the Rio Mondego, here skirting the chalk hills of the Serra de Lorvao.

它是建立在右岸的里约蒙，这里的白垩山丘掠过的塞拉日Lorvao 。

The Yushulin oilfield is located in eastern slope of Sanzhao seg of central sag zone in the northern part of Songliao basin. Its main oil-producing formations are Fuyu and Yangdachengzi oil layers of mesozoic group cretaceous. Its reservoir is fluvial facies sediment. Main sandstone is positive circle channel sandstone with calcium in the beneath, and microelectrode curve is box distribution function. Its secondary oil-producing formation is Yaoyi part of Putaohua oil layer. Its reservoir is delta front sediment. Main sandstone is subaquatic distributary channel sandstone, and microelectrode curve is box distribution function.

榆树林油田处于松辽盆地北部中央坳陷区三肇凹陷东部斜坡，主要产油层系是中生界白垩系泉三、四段的扶余、杨大城子油层，储层为河流相沉积，主要砂体为有底钙存在的正旋回河道砂体，微电极曲线形态为箱型；其次为姚一段的葡萄花油层，储层为三角洲内前缘沉积，主要砂体为水下分流河道砂体，微电极曲线形态为箱型。

The reservoir time are decided by inclusion body homogeneity temperature and terrestrial heat history, the time is the telophase of the Cretaceous period, the reservoir time and tectonic movement is accordant.

利用烃类流体包裹体均一温度并结合盆地东部的地热史，厘定出石千峰组气藏成藏时间为晚白垩世，这与盆地整体向西倾斜、地层大量剥蚀的时间基本上是一致的。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。