Composition : 8 essential amino acids , vitamins c , a beta - carotene , b1 , b2 , b6 , b12 , e k , niacin , panthothenic acid , folic acid , biotin , choline , inositol , paba , chlorophyll , chlorella growth factor nucleic acids dna rna 日本食品分析中心在检验中证实"红日牌日本绿藻" ,含有蛋白质叶绿素绿藻精c . g . f多种维他命矿物质以及人体所需的各种氨基酸等，因此，可说是营养最均衡的保健品。
Combined with realistic subject , the design about the cultural and recreational plaza of downtown center in pucheng county in shaanxi province has been pondered from micro - angle . at first , by investigation on the design background , the problems needed to be resolve was put forward and the aim of the design was confirmed . secondly , four specific operating aspects of the plaza - material environment , natural ecology , social culture and activity supporting - were analyzed 主要结合实际项目，从微观角度用解剖麻雀的方法对陕西省蒲城县中心区文化休闲广场进行设计思考，先是通过对设计背景的调查研究提出需要解决的问题，确定设计目标；接下来分析中心区文化休闲广场的物质环境、自然生态、社会文化、活动支持这四个具体操作层面；最后阐明广场建设的实施策略。
Based on database of chinese scientific and technical papers and citations ( cstpcd ) , developed by the institute of s & t information of china , the authors analyze statistically the citations in urban mass transmit from 2000 to 2004 , probe into the development trend and the status of urban mass transmit among the journals on traffic & transportation engineering by environmental analysis for the citations in 2004 摘要在中国科学技术信息研究所科技论文统计分析中心研制的《中国科技论文与引文数据库》基础上，对《城市轨道交通研究》 2000年到2004年在中国科技源期刊中被引用情况和被引环境进行了统计分析，同时分析了该刊在2004年被引网络环境，探讨其在交通运输工程学科中的影响状况。
Thirddly , the character of the structure in central space : the purpose of the limitions and the combinations of the structure . as well as the contents of the central space . special stresses are laid on the characters . place qualities , and region qualities of the public space . consequeatly , the reseachful volue as a achitecture are revealed . lastly , the analyses of the practical examples : some representatives of the central space on structures and characters are set forth according with research of writer 三、传统场镇中心空间的建构特色：这部分主要分析中心空间在场镇空间形态中的限定和组合以及构成中心空间内容的建筑所特有的型制，更加强调了场镇这一公共空间类型的特征性、场所性和地域性，从而深地揭示了四川传统场镇的地区建筑学的研究价值。
Firstly , this thesis analyzes theoretically and draws the conclusion that the evolution of division of labor can help development of central cities , and in turn , the development of and one main aspect of functions of a central city is to prompt the evolution of division of labor . these two interact with each other , forming a benign cycle and promoting the economic development of central cities and their surrounding regions 本文尝试着运用杨小凯的新兴古典分工理论来分析中心城市的作用，首先从理论上分析得出分工的演进能有助于中心城市的发展，反过来中心城市的发展及其作用的一个主要方面就是促进分工的演进，二者相互作用形成一个良性循环关系，推动中心城市及周边区域的经济发展。
