<span><span style=\"white-space:nowrap;font-family:Verdana;\"><strong>Background:</strong></span><strong><span style......

Breakwaters have been built throughout the centuries for the coastal protection and the port development, but changes oc......

针对带扰流孔波纹板蓄热元件强化传热的综合效果较难评价的问题,提出基于热力学定律的分析方法.采用瞬态实验方法得到了损与......

Gastrointestinal perforations,which need to be managed quickly,are associated with high morbidity and mortality. Treatme......

目的：银杏达莫注射液静滴配合鸡蛋膜贴补获得外伤性鼓膜穿孔疗效。方法：136例（4．OOmm〉直径〉1．5mm）外伤性鼓膜穿孔者，随机分为治疗组（91例......

为了实施投球调剖技术,考察了不同力学性能的园形球单向封闭注水井炮眼的机理,选用了可靠贴炮眼口的硬质实心塑料球.提出了对塑料......

A 27-year-old female with a history of Crohn’s disease and familial adenomatous polyposis (FAP) presented to the emerge......

穿孔为大肠癌晚期严重并发症，临床表现多样，易误诊误治，本文对我院在１９７８～１９９４年间，经手术治疗的２４例进行回顾性分析，并结合有文献，对本病的诊断及治......

Fins are the extended surfaces through which heat transfer takes place to keep the surface cool. Fins of various configu......

论述了冻结壁解冻技术在葫芦素矿井风井井筒的具体应用,首次采用了在冻结管内循环注入热水进行强制解冻,然后进行射孔注浆施工作业......

Breakwaters have been built throughout the centuries for the coastal protection and the port development,but changes occ......