海峡西岸经济区初探

本文从区域经济理论角度分析建立海峡西岸经济区的必要性,分析了海峡西岸经济区的定位问题;并通过对海峡西岸区域内的产业结构进行分析,提出了海峡西岸经济区内产业结构调整的战略方向。福建社科院 2004年院管重点项目《台湾经济边缘化趋势与“10+1”框架下的两岸经济互动研究》阶段性成

Analysis of China’s Foreign Trade Dependence and Risks

本文围绕中国外贸依存度展开论述。从外贸依存度这个点出发，对中国外贸依存度进行了静态和动态的比较、分析；透过外贸依存度揭示出中国对外贸易的贸易结构风险和国内经济长期运行中的深层结构性问题。用（M+X）/GDP比率对中国与世界其他国家相比较进行的静态和动态分析中都显示出中国外贸依存度相对较高的快速提升。外贸依存度作为一国经济对外的一个衡量指标，实际上是一国开放经济下对外发展各方面的综合反映，因此决定和影响我国外贸依存度的因素也是多方面的。但笔者通过对外贸依存度与产业结构的关系分析显示出是中国产业结构的较低层次导致了中国目前较高的外贸依存度，是全球国际分工深化背景下国际产业转移的必然结果。这同时意味...Abstract This text treatise around China's foreign trade dependency. Beginning from the foreign trade dependence, giving a static and dynamic comparison analysis to it; Reveal the coming China's foreign trade risks caused by its structure with high foreign trade dependence and in-depth constitutive question in domestic economical long-term movement It was found that China's foreign trade de...学位：经济学硕士院系专业：经济学院国际贸易系_国际贸易学学号：20021301

Identification of One Unknown Component and Detection Analysis of Free Amino Acids in Porphyra haitanensis

为了检测分析坛子菜中的游离氨基酸,先采用离子交换树脂层析法分离坛紫菜粗提液中的游离氨基酸,收集3 MOl/l的氨水洗脱液,分别用薄层层析、离子色谱及PITC(异硫氰酸苯酯)-HPlC柱前衍生反相高效液相色谱法对其进行检测分析。结果显示,除含有多种组成蛋白质的氨基酸外还,含有5种未知成分。采用半制备高效液相色谱系统制备分离了其中一种未知成分的衍生物TzC,经真空冷冻干燥后为白色絮状固体,结合核磁共振波谱、高分辨质谱、红外光谱数据,最终鉴定TzC去掉已知取代基团PITC后的成分为乙醇胺,分子式为C2H7nO,相对分子质量为61.08。Free amino acids were separated by ion-exchange column chromatography from the crude extracts of Porphyra haitanensis.Amino acids were eluted with 3 mol/L NH3 ·3H2 O and the eluate was collected.Many protein amino acids and five unknown components were discovered in Porphyra haitanensis by thin layer chromatography,ion chromatography and PITC-HPLC respectively.One unknown derivative component(TZC) was obtained by preparation HPLC.TZC was white flocculent solid after vacuum freeze-drying.According to analysis of NMR,HR-MS,IR spectroscopy data,the molecular structure of TZC had been elucidated.TZC was ethanolamine after removed substituent component of PITC,its molecular formula was C2 H7 NO,molecular weight was 61.08.国家海洋局海洋公益项目(201005020

Separation and Identification of β-alanine in Sargassum horneri(Turn.) C.Ag.

非蛋白质氨基酸在抗癌、抗菌、抗结核、抗坏血病等方面有着重要的作用。本文主要对铜藻中的游离氨基酸进行检测分析和部分分离纯化及结构鉴定方面的研究,为更好的开发利用这些天然产物提供技术支持。采用离子交换树脂层析法分离铜藻粗提液中的游离氨基酸,收集3 MOl/l的氨水洗脱液,用PITC-HPlC柱前衍生反相高效液相色谱法对其进行检测分析,结果显示粗提液中除含有多种组成蛋白质的氨基酸外还有3种未知组分,且含量较高的常见蛋白质氨基酸为丙氨酸、脯氨酸、缬氨酸。采用半制备高效液相色谱系统制备分离了其中一种未知组分的衍生物MWz2,经真空冷冻干燥后为略黄固体粉末,结合核磁共振波谱、高分辨质谱、红外光谱数据,最终鉴定MWz2去掉已知取代基团PITC后的成分为β-丙氨酸,分子式为C3H7nO2,分子量为89.09。Non-protein amino acids were found to have many bioactivities such as anti-cancer,antibacterial,anti-tuberculosis,anti-scurvy and so on.Detection,separation and identification of free amino acids in Sargassum horneri(Turn.) C.Ag.were studied in this paper,which provided technical support for development and utilization of these natural products.Free amino acids were separated by ion-exchange column chromatography from the crude extracts of Sargassum horneri(Turn.) C.Ag.Amino acids were eluted with 3 mol/L NH4OH and the eluate was collected.Many protein amino acids and three unknown components were discovered in Sargassum horneri(Turn.) C.Ag.by PITC-HPLC.The main protein amino acids were alanine,proline,valine.One unknown derivative component(MWZ2) was obtained by preparation HPLC.MWZ2 was slightly yellow solid powder after vacuum freeze-drying.According to analysis of NMR,HR-MS,IR spectroscopy data,the molecular structure of MWZ2 had been elucidated.MWZ2 was β-alanine after removed substituent component of PITC,its molecular formula was C3H7NO2,molecular weight was 89.09.国家海洋局海洋公益项目(200805041

人間のパターン認知機構とそのシミュレーション

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ST段抬高型急性心肌梗死院前溶栓治疗中国专家共识

急性心肌梗死仍然严重威胁我国人民健康,在我国广大城乡地区,形势更为严峻[1,2]。及时救治急性心肌梗死患者,降低死亡率和保护心脏功能刻不容缓。鉴于我国的实际情况,院前溶栓治疗在大城市以外的城乡地区具有重要意义。为此,中国医师协会胸痛专业委员会及中国医学救援协会心血管急救分会专门组织有关专家制订了本共识,旨在帮助院前医疗急救人员对急性心肌梗死患者选择最佳