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The Dipole Mode in tropical Indian Ocean (DMI) is a newly verified independent internal mode of atmosphere ocean system in Indian Ocean. Its surface manifestat
Variations of winter Arctic sea ice bordering on the North Atlantic are closely related to climate variations in the same region. When winter North Atlantic Osc
激光熔覆成形高性能薄壁金属零件时,由于熔覆层凹凸不平和挂渣导致成形件表面精度差,甚至后续成形困难,往往需要在成形过程中或成形后辅助机械铣削加工和抛光处理。但是成形
An assimilation data set based on the Geophysical Fluid Dynamics Laboratory (GFDL) Modular Ocean Model version 3 (MOM3) and the NODC XBT data set is used to exa
采用光学显微镜、扫描电镜、能谱仪、热膨胀仪、高温拉伸试验仪和冲击试验仪对T91钢EPRI P87镍基焊材焊接接头的显微组织和力学性能进行了研究。试验结果表明,焊缝金属同T91
The Beijing silk figurine is a traditional Chinese handicraft. It originated in the Northern Song Dynasty and has been around for more than 1,000 years. It is
The theory and simulation of fully-nonlinear waves in a truncated two-dimensional wave tank in time domain are presented. A piston-type wave-maker is used to ge
目的:探讨不同参数数字减影血管造影在原发性肝癌检查中的应用分析.方法:选取2013年5月-2015年5月间来我院收治的原发性肝癌患者为120例,分别用RA法和LTLRA法对患者行血管造影检查,比较两种方法对疾病的检查情况.结论:原发性肝癌的血管造影血供表现为:变异肝动脉、侧枝供血、肝总动脉增粗、肝动脉受侵、抱球征、肿瘤血管、肿瘤染色、肝动脉-门静脉瘘、肝动脉-肝静脉瘘、血管湖等.LTLRA法发现120例患者共有病灶375处,而RA法发现病灶259处.结论:LTLRA法血管造影能够较好的识别原发性肝癌,值得
The horizontal flux of biogenic elements through PN section in April 1994 was calculated in the present paper using output of the OPYC model, which is a very ge