BACKGROUND: Maspin is a member of the serpin family of protease inhibitors and is thought to inhibit carcinoma invasion, metastasis, and angiogenesis and induce
Objective: To investigate whether laminin 5 (LN5) might be a predictor in lung cancer patient treated with gefitinib and estimate the underlying mechanisms. Met
化学教学本身并不只是传授给学生一些初步的化学概念和规律,而是通过一系列有效的教育教学手段,全面提高学生的智能.运用一些化学原理和实验手段,学会科学研究的基本方法,能
一个班级可以有其自己的“史记”.既可以记录班级日常流水生活,激发孩子的创作欲望,更可以借此为平台提高孩子们的习作水平,小组间的水平差异形成良好的互补,自觉生成灵动珍
“疑是思之始”,问题是思维的起点,也是探究的重点,对于学生能力的发展有不可替代的作用.在小学语文课堂上,提问不仅是一门学问,更是一门艺术,小小疑问的产生凝聚着教师无限
本文着重介绍国外超大规模集成电路存贮器的研制情况;并扼要叙述微计算机与微处理器的发展。
This article focuses on the development of foreign large-scale integrated
One of my many regrets in life is that my daughters will never see the Italy I knew. Other people probably feel the same about Greece, France, Spain or Portugal, recalling the age before everyone seem
记得在我八岁的时候,有一天放学后,我就马不停蹄地开始写作业.这时,只听啪的一声,我的钢笔帽掉到了床底下.我趴地上一看,只见床底下黑漆漆的,什么也看不清楚.我从左往右看了