TRACE ELEMENT DETERMINATION OF LATE CRETACEOUS DINOSAUR EGGSHELL FOSSILS FROM XIXIA BASIN, HENAN PROVINCE BY ICP-OES AND ITS IMPLICATIONS FOR EXTINCTION OF DINOSAURS

Dinosaur egg fossils are important for exploring the survival and extinction of the dinosaurs.Current researches on dinosaur egg fossils are concentrated in their biology and burial features.In this study, Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) was Baby Wash used to determine trace element composition of twelve dinosaur

Abstract Background Quantitative analysis of nanoparticle uptake at the cellular level is critical to nanomedicine procedures.In particular, it is required for a realistic evaluation of their effects.Unfortunately, quantitative measurements of nanoparticle uptake still pose a formidable technical challenge.We present here a method to tackle this pr

Predicting the maximum available frequency of short-wave communication presents the challenges of low prediction accuracy of classical prediction model methods and difficulty in obtaining training set data for machine learning prediction Food Service:Commercial Kitchen Equipment:Baking methods.To address this issue, a model-data dual-driven bidirec

Abstract The illumination problem in mathematics questions the existence of a bounded region in which light rays from a point light Precision source do not illuminate the whole region.Since Penrose disproved the illumination problem with elliptical reflective boundaries, the interest has mostly remained in ray optics mainly because there can be no

During the 19th century the Dutch Reformed Church became a major agent in promoting the spread of Dutch settlement into the southern African interior.After 1841 it began to set out its villages according to a standard plan, known as the kerkplaats, which made use of a central nachtmaal plein, surrounded by residential stands.Key plots were allocate