近年来,计算机技术和信息技术快速发展,各种应用软件层出不穷,为了充分保证软件质量,需要进行软件测试,但是软件测试需要耗费大量的人力和时间,可能占据整个软件开发工作量的40%左右,如果对软件开发比较严格,工作量还会高于这一数值,当前的软件测试一般是人工测试,存在效率低下、错误太多等问题,由于软件测试一般是重复操作,因此近年来软件自动化测试技术开始普及。
目的 探讨前列腺素E2(PGE2)在结直肠癌患者术后外周血中的表达及对肿瘤远处转移的影响。方法 选取42例结直肠癌患者为观察组,39例健康人群为对照组。测量餐前血清胃泌素、胃动
The Aerobic Threshold (AerT), is an aged cardiovascular parameter not commonly used to evaluate the heart’s performance in athletes. It indirectly evaluated by
Cardiovascular and cerebrovascular events have been observed during night-time associated with periodic breathing including sleep apnea and Cheyne-Stokes respir
Introduction: In a recent paper, smoking was shown to be an independent predictor of longterm continued opioid use in spine patients (Krebs et al. 2010). In thi
Background: In Malaysia, there are few populationbased studies on the factors associated with falls, and there is a lack of prevention of falls among older adul
The method of choice for the treatment of choledochal cysts in children is excision of the cyst and Roux-en-Y (RY) choledochoenterostomy. When the ratio of the
在0.18~1.08mol·L^-1H2SO4介质中,Ce(Ⅳ)对DBC-偶氮胂具有褪色作用,该褪色反应表现摩尔吸光系数为ε530nm=1.03×104mol^-1·L^-1·cm^-1,Ce(Ⅳ)量在1.2~12.0μg·
A middle-aged man with no symptom or history visited our hospital due to duodenal abnormality and fecal occult blood detected by health screening. Upper gastroi
Introduction: Morbidity and mortality in chronic haemodialysis patients is related to dialysis efficiency. Several complications may occur with vascular access,