Three new cobalt triarylcorroles with sterically hindered haloginated phenyl rings were synthesized and characterized by UV-vis, ~1H NMR spectroscopy, mass spec
基于互联网的证券业,出现了交易方式多元化、经纪业务智能化和咨询化的新特点。证券市场由卖方市场转向买方市场,证券经纪业务转向以客户服务为中心。在美国,网上券商与传统
AIM:To identify computed tomography(CT)findings that are associated with the presence of bacteremia in patients with acute pyelonephritis(APN)due to Escherichia
A new one-dimensional Mg(Ⅱ) coordination polymer, [Mg(L)(phen)(H_2O)](1), has been hydrothermally synthesized by using 3,5-dinitro-salicylic acid(H2L) and 1,10
Since the National Institute of Neurological Disorders and Stroke trial,intravenous thrombolysis has been gaining wide acceptance as the modality of treatment f
近期由西藏自治区登山协会主办,北京平天影视广告有限公司、北京桅伸咨询有限公司承办的,ChinaRen.com网络公司独家赞助的“2000年ChinaRen.com中国大学生联合登山队首次攀登
随着Internet的飞速发展,网络新闻如今已广泛渗透到社会生活的各个领域。据有关部门统计,目前我国上网报纸已接近500种,上网杂志约400余种,各地广播电台、电视台及有线电视台
A new water-stable metal-organic framework,[Cu_2(bdc)_2(tpt)_3]·2H_2O(1,H_2 bdc = terephthalic acid,tpt = 2,4,6-tri(4-pyridinyl)-1,3,5-triazine),has been s
Reactions of Sn powder, cadmium iodide, rubidium carbonate, and sodium sulfide yielded two new compounds: three-dimensional chalcogenide Rb Na_3Cd_2Sn_2S_8(1) a
作为软件专业销售机构,应该在市场成熟和发展过程中承担何种责任?为推动电脑软件市场健康和快速成长,在我国最大的电脑软件连锁销售机构之一——北京赛乐氏销售组织精心策划