Control variables and command history recorded during normal operation of industrial processes are routinely stored in databases for later analysis. These databases constitute a potentially precious source of information that can be extremely useful from a commercial and strategic perspective. However, the extraction of information from a database is often a non-trivial task, requiring the coop...

The last two decades had witnessed extensive investigation on bacterial degradation of carbazole, an N-heterocyclic aromatic hydrocarbon. Specifically, previous studies have reported the primary importance of angular dioxygenation, a novel type of oxygenation reaction, which facilitates mineralization of carbazole to intermediates of the TCA cycle. Proteobacteria and Actinobacteria are the pred...

The development of innovative industrial clusters is an important way to promote the enterprises in China. At same time, it also has definite practical significance encourage regional innovation. This paper uses CNKI database as research platform, and selects literature field from 2002 March 1, 2021 object, using bibliometrics method CiteSpace software tools analyze number publications, coopera...

We examine how Covid-19 resilience of Chinese firms varied with a cluster index (measuring spatial agglomeration in related industries) at the county level. Two data sources are used: entry flows newly registered entire country, and an entrepreneur sample survey regarding operation existing firms. Both show greater counties higher index, after controlling for industry dummies local infection ra...