Analysis of the Development Trend of Clinical Research Nurses in China Based On CiteSpace

Abstract

Objective To reveal the development characteristics and trends of clinical research nurses in China and provide a reference for the training and employment of nursing talents. Methods Literature about clinical research nurses published from the year of database construction to 2020 were searched through the CNKI, Wanfang, Chinese Biomedical Literature (CBM) and Weipu (VIP) databases, and CiteSpace software was used to conduct a multidimensional analysis of the included literature. Results A total of 3,735 pieces of literature were retrieved, and after deduplication and screening, 199 pieces of literature were finally retained for this study. The practice and exploration of CRNs were regionalised, with varying degrees of development, and CRNs were at the forefront of development in oncology specialties. Conclusion It is important to continue to expand the breadth and depth of researchto promote the continuous development of China’s medical and health care to align with international standards.

Research on the Hobbing Processing Method of Marine Beveloid Gear

“…Hobbing the beveloid gear, the calculation method of the transmission ratio of the hobbing machine's dividing tooth motion of the hanging wheel is the same as that of the To form the spiral angle of the beveloid gear, in other words, the envelope plane of the cutter tooth that is parallel to the tooth trace (I) of the counterpart rack, the cutter needs to translate by BQ tangentially along the gear blank when point A on the axis of the cutter moves to point B with the movement of the cutter, so that point A moves to point Q, which converts the relative motion into the differential rotary motion between the cutter and the gear blank. The spiral angle of the differential motion of the beveloid gear in hobbing is defined as β ′ , and the derivation process of β ′ is shown in Equations ( 8)- (10).…”

“…Under the trend of economic globalization, global trade volume continues to rise, and higher requirements are put forward for water transportation [3][4][5][6]. Ships are the primary component of transportation for waterway transportation, and the intelligent development and application of ships have become the future development direction and research hotspot [7][8][9][10]. In the ship power system, gears are widely used in transmission components that transmit power and torque, and the performance of gears has a significant impact on the speed, safety, durability, and fuel efficiency of ships [11,12].…”