春化是指植物经过一段长时间低温处理,促进开花的过程。这一过程广泛发现于冬季植物和二年生的植物中,如拟南芥,小麦等。在春化过......

As some of you may know， I am now on my year abroad in Germany as part of my university course. From my introductory cour......

该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......

Diamond-like carbon (DLC) films were synthesized by plasma immersion ion implantation and deposition (PIIID) on 9Cr18 be......

对薄壁Y型三通管的内管压成形进行研究.通过轴向补料,管材可以被推入模腔从而获得更高并且相对减薄率小的支管.但是Y型三通管的导......

The plane-strain compression test for three kinds of materials was carried out in a temperature range between room tempe......