今年4月以来,在大陆PC市场上由国外厂商首先发起了降价风潮。其中惠普公司将其Brio PC的价格定位于7999元人民币,其价格更是已接近国内品牌。对此不少人都存在疑问:价格的降
1995年7月,国际互联网上出现了一个名为Amazon的图书销售站点。当时它的出现并没有引起人们过多的注意,毕竟在当时互联网络已经相当商业化的美国,Amazon并不是网上销售的第一
去年公布的XML 1.0标准,引起了互联网世界的轰动。XML是可扩展标记语言(ExtensibleMarkup Language)的英文缩写。作为下一代互联网技术的开路先锋,由XML取代HTML(超文本标记
Two novel coordination polymers with molecular structures(2MI)~+[Zn(2MI)Cl_3]~-(1) and(2MI)~+NO_3~-(2) based on ligand 2-methylimidazole(2MI) were synthesized u
AIM:To assess the feasibility of volumetric intensity-modulated arc radiotherapy (VMAT) in patients with limited polyneuropathy, organomegaly, endocrinopathy, m
With the improvement of high-tech and emergence of crossing and new fields,lanthanide-transition(Ln–M) heterometallic coordination polymers have attracted much
敏躺在床上,小小的屋里,昏暗的灯光。她很想把灯关掉,好好睡。身上有些热,也许是发烧。上海冬季的雨天,总会让她感觉异常寒冷,甚至胜于北方的冰雪隆冬。敏的身体是娇弱的,被
A new Cd(Ⅱ) coordination polymer,{[Cd(pda)(bimb)]·(H_2O)_(0.5)}_n(1,H_2pda=1,3-phenylenediacetic acid,bimb = 4,4-bis(1-imidazolyl)biphenyl),has been synth
当Internet像庞然大物弗兰肯豪森一样莫可名状地出现并迅猛发展时,随之而来的各种低“门槛”或无“门槛”的增值业务及其提供者(ICP)们随即如雨后春笋般呼之而出。艰难地涉过
AIM: To measure and compare computed tomography (CT) radiation doses delivered to patients in public paediatric hospitals in Australia and Saudi Arabia. METHODS