Concerns on Tourist Experience and Researches Related

本文首先分析旅游体验与休闲的内在联系,在此基础上介绍国内外学术界对旅游体验的研究概况,并就此对相关理论作出客观评述,以期待更多研究者深入到旅游体验的研究中来。With the view of tourist experience having inherent relationship with leisure,this paper generalizes the researches on tourist experiences home and abroad and makes objective comments on them,in order to attract more researchers with different backgrounds to make further study on tourist experience

Cultural Performance and Ethnic Group under Touristic Context-A Case of Baisha Township, Lijiang

纳西族主要聚居在滇西北的丽江市，肇始于20世纪90年代中期的文化旅游，使这个历史上的“小民族”得以在旅游平台上崭露头角，“阿根纳西”意识亦因此获得新的表达途径。基于此，关注旅游文化与族群认同之间的关系，正是民族地区文化旅游可持续发展的关键所在。 本文以纳西族历史境遇与族群心性为切入点，剖析历史积淀对族群文化抉择的影响作用（第二章），并在此基础上简要介绍纳西人为之自豪的“大文化”与丽江旅游文化中的文化“商品化”现象（第三章）；为描摹丽江的旅游抱负与旅游情境下纳西人的族群意识，文中以丽江白沙乡旅游现况为核心考察内容，一方面尝试勾勒丽江宏观旅游氛围之下文化旅游的地方图景（第四章），另一方面则通过族...Lijiang, in the northwest of Yunan, is the major region where Naxi Ethnic Group reside. The emergence of cultural tourism in the middle of 1990s, has made this historical small ethnic group becoming outstanding in the arena of tourism. Thus, the ideology of“Ah-Gen Naxi”acquires a new way of discourse. Underlying this, the concern with the relationship between the culture of tourism and the ethnic ...学位：法学博士院系专业：人文学院人类学研究所_人类学学号：2005140324

也谈“communitas”人类学视野下的一种旅游体验

旅游中的"共睦态"体验首先应该是在旅游者身份被"夷平"的基础上产生的,"共睦态"必须有特纳所说的"反结构"特征。旅游者之间的关系必须处在平等、单纯、谦和,甚至忘我的状态中,抛开世俗的偏见、身份、等级与财富。在此基础上,旅游者才可能毫无芥蒂地交流,共享美与愉悦,进而产生息息相通的情感,甚至产生一种如格雷本所说的"神圣"而严肃的情感

General Comments on Theories Applied in Anthropology of Tourism

多学科研究法是旅游人类学研究的重要特征之一,它导致研究者对诸多学科之理论的借用。对其中部分理论的引介与溯源,正是本文的目的,并期望收获有益建议与指正。Anthropological research on tourism features multi-disciplinary approach,which promotes the theoretical borrowing from other fields,therefore,this paper attempts to trace and introduce some of these theories,appealing tto useful suggestions and corrections

旅游人类学家谈中国旅游的可持续发展

2005年6月下旬至7月下旬,美国加州大学柏克莱分校的纳尔逊.格拉本(Nelson H.Graburn)教授和厦门大学彭兆荣教授在北京出席学者俱乐部性质的“国际旅游研究院双年会”(2005 Biennial Conference of International Academy for theStudy of Tourism)后,赴四川、贵州和广西进行了为期20天的调研。借此机会,彭兆荣对格拉本教授进行了专访,内容涉及到中国旅游发展的可持续性,少数民族地区的旅游发展特点及潜在的危机,农业旅游与生态旅游的发展空间,旅游人类学研究中的“真实性”,传统民族志在旅游研究中的范式问题等

Progresses of plants response to cadmium

总结了近年来植物对一重要环境污染物镉的反应研究报道。探讨了镉对植物的各种毒性效应 ,并论述植物对镉胁迫采取的相应防御机制 ,如络合 ( PC、MT)、应激 (应激乙烯、应激蛋白 ) ,及额外防御机制 ,如细胞壁固定化、原生质膜排除、区域化、过氧化物酶等 【英文摘要】 The paper summarizes progresses in the field of plants response to cadmium(Cd), an important and widespread heavy metal in enviroment.We analyse the toxic effects of Cd on plants and discuss the response mechanisms of plants to Cd stress including exclusion, immobilization and compartmentalization of the ions, synthesis of phytochelatins and metallothionein, inducements of stess protein and stess ethylene. The higher plants are able to uptake Cd depending on concentration and bioavailability of Cd in the ...国家自然科学基金资助项目 ( 3980 0 0 87;39870 6 30

Progress in Plant Resistance Induced by Salicylic Acid

水杨酸是一种重要的内源信号分子 ,能够激活一系列植物抗性防卫反应 .为了研究这种抗性反应 ,对水杨酸诱导植物抗病性、抗旱性、抗盐性及与乙烯作用的新进展作了概述 ,并从水杨酸与过氧化氢及其代谢酶类相互作用的角度探讨了水杨酸诱导植物抗性生理的分子机理 【英文摘要】 Salicylic acid is an important endogenous signal molecule. It can activate several plant defense responses. New progresses in plant disease resistance, drought resistance, salt resistance and the interaction of salicylic acid with ethylene, and the molecular mechanisms of salicylic acid inducing plant resistance have been established at the interaction of salicylic acid with hydrogen peroxide and its metabolizing enzymes

Phytoplankton biomarkers in surface seawater from the northern South China Sea in summer 2009 and their potential as indicators of biomass/community structure

生物标志物已被广泛应用于重建浮游植物生产力和群落结构变化。该方法假设之一是生标的含量可以反映表层海水的浮游植物生物量,但这个假设还缺乏现场观测的充分验证。对2009年冬季南海北部表层海水颗粒物中主要生标做了分析,利用其含量及比值研究浮游植物的生物量及群落结构的分布。生标含量表明硅藻、甲藻、颗石藻的高值区位于珠江口南部及广东沿岸,在陆坡区也有高值。生标比值显示硅藻在3个类群中的相对比例最高。其中,甲藻/硅藻比值高值区位于陆坡区,这与大洋水(黑潮)的入侵,带来大量暖水性甲藻有很大关系;颗石藻/硅藻比值总体趋势与生物量的分布相反,在近岸少数站位有高值,向外海逐渐增加,主要是因为颗石藻更适于寡营养盐的环境。生标结果所指示的生物量及群落结构的空间分布与前人的调查结果类似,为利用生标重建此区域的浮游植物生产力和群落结构变化提供了依据。Biomarkers have been widely used to reconstruct phytoplankton productivity based on the assumption that biomarker contents could reflect phytoplankton productivity in the surface seawater.However,this hypothesis has not been validated with modern survey.In this study,the contents and ratios of three phytoplankton biomarkers in the surface seawater of the northern South China Sea in winter 2009 were analyzed,to indicate spatial distributions of phytoplankton biomass and community structure.The results show high values for diatoms,dinoflagellates and coccolithophorids near the Pearl River Estuary and Guangdong coastal areas.The community structure indicates diatoms are the dominant phytoplankton species in winter.High values of dinoflagellate/diatom ratio occur near the slope area owing to intrusion of the Kuroshio,which favors the growth of dinoflagellates.The coccolithophorid/diatom ratio displays an increasing trend from the Pearl River Estuary to offshore region due to the advantage of coccolithophorids in oligotrophic environment,which is opposite to the productivity pattern of all biomarkers.These results are consistent with previous studies using phytoplankton cell and pigments,which provides support for the use of biomarker to reconstruct phytoplankton productivity and community structure in the SCS.国家重点基础研究发展计划项目(2007CB815934、2009CB421201);国家自然科学基金项目(40776029

基于生物质谱技术的磷酰化修饰策略在多肽测序中的应用

该文建立了一种利用磷酰化修饰结合电喷雾质谱(ESI-Q-TOF)测定多肽氨基酸序列的有效方法。利用Atherton-Todd反应,以二丙基亚磷酰酯(DPP)为磷酰化试剂,应用生物质谱技术,对磷酰化修饰后的5种模型肽的磷酰化反应情况进行了系统研究,考察了磷酰化肽的二级质谱特征,并与未经磷酰化反应的肽的二级质谱特征对比。结果表明,经过磷酰化修饰后,肽的二级质谱中的a1离子信号强度明显增加,可以准确鉴定其N端氨基酸;b系列离子信息完整,信号强度增强,使得多肽C ID测序的谱图简单、清晰,有利于肽的氨基酸序列的测定;赖氨酸(K,128.10 u)和谷氨酰胺(Q,128.13 u)两种氨基酸质荷比相近,由于二者磷酰化修饰后的差异性,使其得到准确区分。经过5种已知氨基酸序列的模型肽的磷酰化后结合质谱技术进行氨基酸序列测定验证,结果表明该方法简单、快速、准确,提高了利用质谱技术进行多肽测序的准确度和灵敏度,可为蛋白质组学研究提供有效的技术手段

Occurrence and Distribution of Organotin Compounds in Thais clavigera from Xiamen Coast

采用戊基化格式衍生法,gC-fPd分析了厦门港周边海域9个小岛屿分布的疣荔枝螺(THAIS ClAVIgErA)体内3种丁基锡化合物(buTylTInS)和3种苯基锡化合物(PHEnylTInS)的存在形态与分布特征.结果表明,丁基锡化合物总浓度(ΣbTS)为0.3~70.6ng.g-1,平均值为28.8ng.g-1,以一丁基锡化合物(MbT)为主.苯基锡化合物总浓度(ΣPHTS)为nd~18.8ng.g-1,平均值为7.9ng.g-1,以三苯基锡化合物为主.厦门港周边海域以丁基锡化合物为主要污染物,占到总有机锡化合物(ΣOTS)的74.3%~96.8%.疣荔枝螺体内(ΣbTS)和(ΣPHTS)呈现从厦门港内到港外逐渐降低的趋势.疣荔枝螺体内TbT和TPHT的浓度显示良好的相关关系(r2=0.7109,P<0.01),说明TPHT和TbT来源趋同,即来源于船舶防污涂料,或水产养殖污染源.与我国东南沿海港口相比,厦门海域疣荔枝螺体内丁基锡化合物的污染处于一个较低水平但比2002年有所加重.Occurrence and distribution of 6 organotin compounds including butyltin and phenyltin species were detected in Thais clavigera which were collected from 9 coastal areas sites around Xiamen Coast,by pentylized derivatization,GC-FPD.Results indicated that all Thais clavigera samples were contaminated with organotin compounds.The concentrations in Thais clavigera soft bodies varied from 0.3 to 70.6 ng.g -1 with a mean value of 28.8 ng.g -1 for butyltin compounds,and from nd to 18.8 ng.g -1 with a mean value of 7.9 ng.g -1 for phenyltin compounds,respectively.MBT and TPhT were high levels in butyltin compounds and phentyltin compounds,respectively.In addition,butyltin compounds were the dominant contaminates in all samples with high percentage from 74.3% to 96.8%.There was a significant correlation between TBT and TPhT (R2 = 0.710 9,p < 0.01).This result showed that both TBT and TPhT came from antifouling paints for ships or for mariculture nets.Compared with those data reported from the other regions around southeast coast of China,present study reveals that contaminated level of organotin compounds in Thais clavigera are relatively lower in Xiamen Coast.But it is higher than those in 2002.国家自然科学基金项目(40476048;20777060