A NEW TYPE OF ANTI-HEAVE SEMI-SUBMERSIBLE DRILLING PLATFORM

A new type of semi-submersible drilling platform is designed.The numerical simulation software is used to analyze the heave response of the new platform in the frequency domain and time motovox scooter parts domain, and the semi-submersible drilling platforms with double-floating four-column structure and heave plate structure are compared with the

INTRODUCTION:The aim of the study was to analyse genetic architecture of RA by utilizing multiparametric statistical methods such as linear discriminant analysis (LDA) and redundancy analysis (RDA).METHODS:A total of 1393 volunteers, 499 bushranger awning patients with RA and 894 healthy controls were included in the study.The presence of shared ep