1996年12月1日 · Although CEA reduces stroke risk in patients with symptomatic severe (>70%) stenosis, 1 2 perioperative risks of stroke or death of 7.5% 1 and 5.8% 2 have been reported. …

In this review, we will evaluate the role of percutaneous transluminal angioplasty (PTA) according to patency of arteriovenous fistula and grafts. The main indication of PΤΑ is stenosis > 50% or …

2012年11月13日 · Percutaneous transluminal angioplasty is a minimally invasive therapy for the treatment of patients with peripheral artery disease who suffer from intermittent claudication or …

Our findings emphasize favorable safety and efficacy of PTA in the management of dysfunctional hemodialysis AVFs in terms of high technical and clinical success and low rates of residual …

经皮穿刺逆行插入囊腔导管至肾动脉，施行狭窄肾动脉扩张术，简称PTA，近年来已被广泛采用。 少数经扩张后狭窄复发时，可再次扩张，仍可有效，或经扩张术病情有所缓解，狭窄仍不能解 …

Phosphotungstic acid (PTA) or tungstophosphoric acid (TPA), is a heteropoly acid with the chemical formula H 3 P W 12 O 40]. It forms hydrates H3[PW12O40]·nH2O. It is normally …

"""You are an expert human annotator working for the search engine Bing.com. ##Context##Each webpage that matches a Bing search query has three pieces of information displayed on the …

在生产的过程中，每吨PTA大概需要0.655吨PX，因此在计算PTA成本的时候，主要就是PX价格乘以0.655的系数，一般报告里常说的PTA加工费用，就是指PTA价格减去PX这一部分成本。

结构域和不含信号肽的前体 (PTA-P) 都具有不同数量的活性甘露糖结合位点，这些位点对凝集素功能起关键作用。 对大肠杆菌中表达的三种融合蛋白 PTA-DOM1、PTA-DOM2 和 PTA-P 的分 …

1、聚酯产业链的原料来源以原油为主，PTA全部只能原油法生产。 2、 乙二醇 的来源较多，产能为1880万吨，煤制乙二醇产能627万吨，不能轻视乙二醇的煤炭法产量。