The Songliao Basin is the largest oil-bearing basin in China. In the absence of sufficient evidence, the possibility of seawater incursion(s) into the Songliao Basin remains controversial. Recently, we discovered relatively abundant foraminifera fossils from units 1 and 2 of the Nenjiang Formation of borehole SK-1. Benthic foraminifera (Gavlinella sp., Anomalinoides sp., Pullenia sp., Haplophragmoides sp., Karrorulina hokkaidoana, Clavulinoides sp.), as well as planktonic foraminifera (Archaeoglobigerina blowi, Archaeoglobigerina cretacea and Hedbergella flandrini), were identified. These fossils were widely distributed in the marine Cretaceous. According to the global distribution of the above-mentioned planktonic foraminifera, the age of these fossil bearing strata appears to be Late Coniacian to Santonian. More importantly, these foraminifera provide direct evidence for marine water incursions into the Songliao Basin during deposition of the Lower Nenjiang Formation.

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Nokia was a synonym for the mobile phone industry for a long time; however, when it came into the era of smart phones, the former leader was under an awkward situation. Nokia sold its mobile phone business to Microsoft on September 3, 2013. A company following Kodak with the legendary color failed in the impact of the new technology revolution. This was a typical case of the subversion of an industry; therefore, the author believed that it was necessary to analyze the process. This paper studied Nokia's decline mainly from the three parts. First of all, looking back Nokia's development process from the glory to the decline, it can be divided into three stages: the transition period, the peak period and the decline period, followed by analyzing the reasons of its decline from three parts: Nokia executives' grasp for the market, the company's business strategy and business cooperation, and finally analyzing its inspiration for modern enterprises from the marketing perspective.

A magnetically separable adsorbent, Fe3O4/carboxylate-rich carbon composite was synthesized via a facile one-step low temperature carbonization process.