supported by the National Natural Science Foundation of China(No.51805341);the Science and Technology Major Project of Ningbo City(No.2021Z098)。
This paper presents a method to study the free vibration of a plate with circular holes.The circular hole is regarded as a virtual small plate in which the mass density and Young's modulus are zero.Therefore,the free ...
SGMS2的致病性杂合突变会导致一种罕见的单基因骨质疏松症,称为颅骨环形病变伴骨脆性增加(calvarial doughnut lesions with bone fragility,CDL),伴或不伴有脊椎干骺端发育不良。SGMS2编码的鞘磷脂合酶2(sphingomyelin synthase 2,SMS2...