Conjoined twins are very rare with an estimated incidence of about 1 in 200 000 births with a male-female ratio of 1:3.1 The separation of conjoined twins prese
某泵站在基坑开挖至136.6m设计高程中粗砂岩及局部粉细砂岩时出现了涌水流砂情况,致使基坑底部开挖无法进行,经工程建设指挥部组织有关专家分析透水流砂原因,即在原基坑开挖
A high-performance capillary electrophoresis with amperometric detection(CE-AD)method has been developed for the analysis of seven bioactive ingredients,namely
Maintaining a semantic cache of materialized XPath views inside or outside the database is a novel, feasible and efficient approach to facilitating XML query pr
AIM: To investigate our learning curves of orthotopic liver transplantation (OLT) in rats and the most important factor for successful surgery. METHODS: We desc
本文回顾了十余年来围绕中国英语问题所展开的争论,就两个争论的焦点问题提出看法:中国英语是一种具有交际功能的变体;中国英语中的所谓汉语干扰是客观存在.中国英语的取舍决
A new microelement method for the analyses of functionally graded structures was proposed. The key of this method is the maneuverable combination of two kinds o
Diffusion weighted magnetic resonance imaging (DWI) is an imaging technique which provides tissue contrast by the measurement of diffusion properties of water m
作者从中国科技期刊现状出发,分析国家科技发展战略、国内优秀论文外流现象、国家“百人”、“千人”等人才引进计划和国内活跃的对外合作等现实情况,认为:中国创办高水平英
“张老师,小辉说他想利用午休时间在学校写作业,可以吗?”“当然可以!”放下电话,欣喜之余,曾经的情景不禁涌现:刚接班时,有一些学生不爱写作业,我通过各种方法都成功的矫正