白垩的

Coussy's poroplastic theory is used for the extension of this model to describe poromechanical coupling of chalk. According to the general framework of poro-elasto-plastic modelling, the concepts of the effective stress tensors, especially the concept of plastic effective stress tensor, are discussed.

基于这一认识，将Coussy孔隙塑性理论扩展用于研究饱和白垩岩的孔隙塑性力学特性，根据孔隙弹塑性力学的一般框架，讨论在弹塑性域上有效应力尤其是塑性有效应力概念的有效性。

Field geological investigation, petrology and geochemistry study showed that three oil shale groups in Kazuo basin were developed in Member 1,2,3 of the Jiufotang Formation of Lower Cretaceous, the third oil shale group located in 3rd member have the greatest industrial significance. Oil shale always has the accompanying relationship with overlying sedimentary tuff or other tuffaceous strata.

野外地质调查和岩石学、地球化学研究表明：喀左盆地3个油页岩层群分别发育于下白垩统九佛堂组的一、二、三段，以位于三段的第三油页岩层群的工业意义最大；油页岩常与上覆沉凝灰岩或其它凝灰质岩石呈伴生关系。

Many crustal zircons have the age (up to 2770Ma) that is much earlier than the formation of ophiolite considered by previous researchers, indicated the abundant subduction crust components occur in the zircons separated, which was preserved in the mantle, and outcropped with the mantle cycle process.

纯橄岩样品四个测点得到加权平均值为130.0±2.8Ma，属早白垩世，代表了纯橄岩的结晶年龄；研究中发现许多地壳成因的古老锆石(最老可达太古代2770Ma)，远远早于目前主流观点中蛇绿岩的形成时间中生代晚期，综合考虑认为所选锆石有大量俯冲地壳成分，在地幔中保存，后随地幔循环运移出露地表。

Cement is produced by heating a mixture of clay or shale plus chalk or lime in a rotary kiln up to 250 m long per 8 m diameter rotating at 1 rpm.

中文解释=水泥是由黏土或页岩和白垩或石灰的混合物在长达250米、直径8米的窑炉内以每分钟一转的速度加热而成。

This model implies that the HP rocks on opposing sides of the Motagua fault evolved along a plate boundary that underwent both dip slip and strike slip motion throughout the Late Cretaceous as a result of oblique convergence.

这种模式意味着对莫塔瓜故障敌对双方惠普岩石沿板块边界的经历都倾滑和走滑运动在整个晚白垩世的转变，作为一个斜融合的结果。

The ditch wouldhave been dug by hand using animal bones,deer antlers which were used as pick-axesto loosen the underlying chalk and then theshoulder blades of oxen or cattle were usedas shovels to clear away the stones.

这条沟渠是用动物骨头、鹿角等作镐，手工挖松地下的白垩土，然后用锋利的牛或其它牲畜的肩胛骨作锹清除石块。

The late CretaceousEocene deformation in Huahai area mainly occurs as northwesttrending synclines and anticlines, the top of which are eroded to different degrees.

花海地区的晚白垩世-始新世变形主要表现为NW向的向斜和背斜，顶部遭受了不同程度的剥蚀。

The observations and measures on many faults in the Tertiary as well as in the Cretaceous rocks in the Kuqa Depression, Tarim Basin, could help us to reconstruct Late Tertiary tectonic paleostress field by inversing a lot of fault-slip data.

基于对库车坳陷内第三系和同时卷入变形的白垩系中发育断层的野外观测，采用断层滑动数据反演方法，对库车坳陷的第三纪构造古应力进行恢复。

In the red beds of the Mesozoic Era Nanxiong Late Cretaceous to Cenozoic Paleocene strata, the unearthed, including gastropods, ostracods insects, wheel types such as algae and dinosaur fossils were more than 60 genera, 110 species, of which the most abundant dinosaur fossils, there is Tyrannosaurus rex, short spines Nanshiungosaurus, Nanxiong Microhadrosaurus, as well as fossilized dinosaur eggs into the nest.

在南雄红层的中生代晚白垩世至新生代古新世的地层里，出土了包括腹足类、介形虫类、轮藻类和恐龙类等古生物化石共60 余属、110种，其中以恐龙化石最为丰富，有霸王龙、短棘南雄龙、南雄小鸭嘴龙以及成窝的恐龙蛋化石。

Enter the world of Gallimimius and experience the fascinating daily challenges of one of Earth's most curious omnivores.

进入到Gallimimius的世界中，并且可以体验出这个在白垩时期出现而属於大部分杂食恐龙的一种他的每日挑战。。。。。。

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。