期刊是一种定期或不定期的连续出版物,每种期刊有一个长期使用的固定名称。由于各种原因,期刊名称常有变化,这在西文期刊中更是屡见不鲜。据有关资料统计,经过变名的期刊约有三分之一,其中有些期刊曾多次变名。因为刊名变化多端,又无一...期刊是一种定期或不定期的连续出版物,每种期刊有一个长期使用的固定名称。由于各种原因,期刊名称常有变化,这在西文期刊中更是屡见不鲜。据有关资料统计,经过变名的期刊约有三分之一,其中有些期刊曾多次变名。因为刊名变化多端,又无一定规律,大部份变名都在即期中才临时发现,这就给期刊工作者带来一定的困难。一、确认变名情况和刊名变化情况主要有以下几种: 1.改名一种期刊继承另一种期刊,继承者的序号,与前一种相连续长称为改名。大部分期刊是因内容范围的变化而改名例如《Journal of Guidance and Control》,改名为《Journal of Guidance,Control and Dynamics》,增加了动力学的内容;展开更多
Tangshan City, has become an important part of Beijing-Tianjin Rim Economic Circlethrough nearly 30 years economic development after thestrong earthquake occurred in 1976.With the rapid development of urbanization and...Tangshan City, has become an important part of Beijing-Tianjin Rim Economic Circlethrough nearly 30 years economic development after thestrong earthquake occurred in 1976.With the rapid development of urbanization and industrialization, we should face two importantissues : tofirmlycarry out ScientificConcept of Scientific Development and torationally usetheland. Recent years, Tangshan Bureau of Land & Resources, as the administration departmentof land and resources in Tangshan, has transformed the their old conception and has boldlyinnovated. Asaresult,Tangshan has appeared a new field with a prosperou seconomy.展开更多
文摘期刊是一种定期或不定期的连续出版物,每种期刊有一个长期使用的固定名称。由于各种原因,期刊名称常有变化,这在西文期刊中更是屡见不鲜。据有关资料统计,经过变名的期刊约有三分之一,其中有些期刊曾多次变名。因为刊名变化多端,又无一定规律,大部份变名都在即期中才临时发现,这就给期刊工作者带来一定的困难。一、确认变名情况和刊名变化情况主要有以下几种: 1.改名一种期刊继承另一种期刊,继承者的序号,与前一种相连续长称为改名。大部分期刊是因内容范围的变化而改名例如《Journal of Guidance and Control》,改名为《Journal of Guidance,Control and Dynamics》,增加了动力学的内容;
文摘Tangshan City, has become an important part of Beijing-Tianjin Rim Economic Circlethrough nearly 30 years economic development after thestrong earthquake occurred in 1976.With the rapid development of urbanization and industrialization, we should face two importantissues : tofirmlycarry out ScientificConcept of Scientific Development and torationally usetheland. Recent years, Tangshan Bureau of Land & Resources, as the administration departmentof land and resources in Tangshan, has transformed the their old conception and has boldlyinnovated. Asaresult,Tangshan has appeared a new field with a prosperou seconomy.