Kaihua Chen

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The formation, evolution, and dynamics of Industry–University–Research Institute (IUR) scientific collaborations in China have not been uncovered fully in extant literature. This study seeks to fill this research gap based on a novel sample of the China Academy of Sciences (CAS) from an ego-network perspective and especially reveals the guiding role of(More)
How to effectively make an international comparison of the basic research capacity in a specific field is an urgent problem for a country to monitor the science and technology activities. In this paper, we develop a composite index, that is, Basic Research Competitiveness Index (BR-CI), for evaluating the countries’ basic research performance versus the(More)
OBJECTIVES We examined the relationships between screen time (ST) and mental health problems and also increment of ST and progression of mental health problems in a college-based sample of Chinese youth. METHODS We assessed 2521 Chinese college freshmen from October 2013 to December 2014. At baseline, the mean age of participants was 18.43 years (SD 0.96(More)
Purpose. This study was aimed at investigating the effect of esmolol on tissue perfusion and the clinical prognosis of patients with severe sepsis. Materials and Methods. One hundred fifty-one patients with severe sepsis were selected and divided into the esmolol group (n = 75) or the control group (n = 76), who received conventional antiseptic shock(More)
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