读完整本杂志,细心的读者可能会发现,无论在“第一观察”的专题里,还是在“专栏”的文章里,“钱从哪里来”的问题被一次又一次提及.事实上,在我国高速公路的发展历程中,这个
Once a column in building is removed due to gas explosion,vehicle impact,terrorist attack,earthquake or any natural disaster,the loading supported by removed co
最近,一则“老太太冒雨缴医保费被拒收现金”的消息,引发网民共情、舆论热议.与此同时,国务院办公厅印发《关于切实解决老年人运用智能技术困难的实施方案》,强调要坚持传统
In this study,for the first time,we investigate the nonlocality superimposed to the size effects on the nonlinear dynamics of an electrically actuated single-wa
We exploited a unique porous structure of the nano-covalent triazine polymer (NCTP) containing aggregation-induced emission (AIE) group to achieve controlled re
我们知道,引导定语从句的关系代词有that,which,who,whom,whose等和关系副词when,where,why等。that和which引导定语从句所修饰的先行词通常是指物的名词,并且当它们在从句中
With the rapid improvements in nanomaterials and imaging technology,great progresses have been made in diagnosis and treatment of diseases during the past decad
We demonstrated a simple and environment-friendly method in the preparation of N-doped carbon/PANI (NCP) composite without binder.The structure and the property
This paper presents a single-electromagnet levitation device to measure the densities and detect the internal defects of antimagnetic materials.The experimental
Self-consolidating concrete (SCC) with manufactured sand (MSCC) is crucial to guarantee the quality of concrete construction technology and the associated prope