以当前桥梁水下结构加固需求为背景,基于快速、高效的加固目标,提出预制混凝土管片快速拼装加固水下桥墩技术,并通过混凝土圆柱试件(未加固试件YZ-D、加固试件YZ-SS及YZ-FS)对其进行了轴压试验研究,结果表明:该加固技术从工艺上来讲是可行的,且可大幅提高试件的峰值荷载及峰值变形,加固效果显著.另外,从预制混凝土管片拼装、界面处理及水下不分散混凝土的角度出发,提出该加固技术的质量控制措施.
In the evaluation of the beauty and functional integrity of the lower face, the oral cavity, teeth, mandible, maxilla, and the size and position of the tongue a
摘 要：古诗鉴赏因为衔接高考且又涉及古代文化知识，成为了高中语文教学的重点和难点，文章以高中语文古诗为例，通过四步导疑的方法，为古诗教学探寻一条出路。 关键词：古代诗歌；四步导疑；鉴赏能力 古代诗歌离我们生活的时代很遥远，以至于许多高中生在理解古人的情感和诗歌的意境上出现不少偏颇，甚至是笑话。到底怎样的理解才算真正做到最好，笔者认为，我们不妨试试用解疑的方式来鉴赏古代诗歌，了解古人的心境和古诗
Objectives: Postmenopausal women with diabetes mellitus (DM) have an increased incidence of urinary tract infections (UTI) compared to women without DM. The aim
Existing skin adhesives may, however, cause inflammatory response to toxicity of formaldehyde generated as hydrolysate of polycyanoacrylate (the main ingredient
分析了模拟Cr（Ⅵ）污水灌溉对水稻不同生育时期土壤微生物生物量及生物活性的影响，结果表明：（1）微生物生物量碳、生物量氮、基础呼吸作用、脲酶活性以及反硝化活性均与Cr（Ⅵ）灌溉浓度
采用模拟土壤生态系统的方法,研究了虱螨脲在土壤中的消解动态,应用高效液相色谱仪测定了虱螨脲在土壤中的残留量。结果表明,样品用甲醇提取,二氯甲烷萃取,用高效液相色谱检
This case study is done to show a different type of presentation of a HIV (Human Immunodeficiency Virus) patient. Neurological symptoms in HIV are normally due
Background: The central nervous system is one of the most important systems affected by formaldehyde (FA). Aim of Work: This study was designed to assess its to