制冷剂被划分为哪些类别?如何从编号上识别它们?制冷剂的种类很多,目前,全世界都统一使用ASHRAE(AmericanSocietyofHeating,RefrigeratingandAir-condi-tioningEngineers)美国采暖、制冷...
Refrigerants are divided into what categories? How to identify
AIM To analyze predictors of healthcare-seeking behavior among Chinese patients with irritable bowel syndrome(IBS) and their satisfaction with medical care.METH
Objective: To understand the impact of platelet associated immunoglobulin G(PAIg G)/platelet associated immunoglobulin M(PAIg M) on severity of dengue virus inf