介虫

Over the last three decades, measurements of the δ^13C andδ^18O values of ostracode shells have been extensively used in lake palaeoenvironmental reconstruction.

在过去的30年，介形虫壳体的δ^13C和δ^18O测定已经被广泛应用到湖泊沉积古气候及古环境的重建。

Over the last three decades,measurements of the δ13C and δ18O values of ostracode shells have been extensively used in lake palaeoenvironmental reconstruction.

由于湖泊生物碳酸盐样品不同的前处理方法可能会影响到稳定同位素测试结果的重现性和辨析率以及实验室之间数据的可比性，采用有效的方法对介形虫壳体进行预处理是保证介壳稳定同位素测试的一个关键环节。

Many methods for sample preparation have been applied in stable isotope measurements of ostracode shells from lake sediments. However, for stable isotope measurements of biocarbonate samples, different methods will probably affect the resolution, reproducibility and inter-laboratory comparison of the measurement results.

由于湖泊生物碳酸盐样品不同的前处理方法可能会影响到稳定同位素测试结果的重现性和辨析率以及实验室之间数据的可比性，采用有效的方法对介形虫壳体进行预处理是保证介壳稳定同位素刚试的一个关键环节。

Ostracode ; Stable isotope ; Sample preparation

介形虫；稳定同位素；样品处理

Six rock types（mudstone, dolostone, marl, limestone, ostracode limestone and volcanic ash）comprise the sedimentary strata.

青一段识别出6种岩石类型(泥岩、白云岩、泥灰岩、重结晶灰岩、介形虫灰岩和火山灰)。

Ostracodes are small animals, most of which have a two valved shell.

介形虫是小型动物，其中大部份都具有两瓣的外壳。

Pearson＇s Correlation Analysis showed negative correlation between meiofauna abundance and phytoplankton biomass in term of carbon and nitrogen (-0.969 and -0.947, P.05). The total of 14 meiofauna groups were identified.

按生物量，海洋线虫(35.9％)、介形类(32.6％)、多毛类(13.7％)和桡足类(8.3％)共同构成小型动物的优势类群，80％以上的小型生物分布在0—2cn以浅表层内。

In background of drying palaeoclimate in Quaternary, a short-term development of freshwater biota such as ostracods and charophytes is resulted from the effects of local tectonic movement on the sedimentary environment.

在第四纪逐步干旱的古气候背景下，介形虫和轮藻等淡水生物群的阶段性发育是局部构造运动影响沉积环境的结果。

Cyanobacteria played an important role as the producers in the ecosystem, while the euryhalinous and benthic faunas were the main customers, including low-diversity microgastropods, ostracods, and disaster foraminifers.

蓝细菌作为生产者是该生态系的基础，种类单调的小型腹足类和介形虫等广盐性多细胞生物和灾后残存的有孔虫则是该生态系中的主要消费者。

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。

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。