THE CORPORATE INTERVIEW AS A RESEARCH METHOD IN ECONOMIC GEOGRAPHY*     

Erica Schoenberger 《The Professional geographer》1991,43(2):180-189

The open-ended corporate interview as a qualitative research method is proposed as a valuable component of an evidentiary strategy in economic geography. It is argued to be more sensitive than other survey methods to historical, institutional, and strategic complexity. The corporate interview method is particularly appropriate in periods of economic and social change that challenge traditional analytical categories and theoretical principles. Some problems inherent to the method, and strategies for minimizing their impact on the research project, are described.  相似文献   

Urban tourism research methodology     

Tao Wei  Zhong Wen-hui  Hong Yan 《中国地理科学(英文版)》2005,15(2):173-178

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柿竹园矿床大理岩型锡矿石工艺矿物学研究   总被引：1，自引：0，他引：1  

谭延松 《湖南地质》1991,10(3):223-228

大理岩型锡矿石产于燕山早、中期千里山花岗岩与中、上泥盆统灰岩的外接触带。矿石呈细脉、网脉浸染状,锡矿物有:锡石、黄锡矿,富钛尼日利亚石、尼日利亚石和木锡矿,脉石矿物绿帘石、石榴石、电气石、萤石、方解石及磁黄铁矿等亦含锡,锡主要呈锡的浊立矿物存在,占总锡量的89.78％,其中锡石锡占总锡量的80.01％,其次有呈类质同象形式存在的锡,在绿帘石、石榴石、电气石等矿物中以Sn~(4+)取代Fe~(3+),这类锡占总量的8.33％。工艺矿物学研究表明,该类锡矿石以“贫”、“细”、“杂”为特征。锡不仅十分分散,而且品位偏低,矿石矿物组合及镶嵌关系复杂、相互包裹,紧密连生;锡矿物粒度微细,粒径一般为0.2～0.01mm,部分为<0.0l～0.002mm,是一种难选的锡矿石类型。通过锡的回收试验,采用选冶联合工艺流程,预测锡的最佳回收率可达50％以上。  相似文献   

贵州和四川盆地云量的气候研究   总被引：1，自引：1，他引：0  

林之光 《地理学报》1986,(4)

贵州和四川盆地是我国云量最多的地区,素有“天无三日晴”和“蜀犬吠日”之说,盆地西缘的雅安古时还有“雅州天漏”的谚语。从全球日照百分率分布推知,川黔地区也是世界上天气最阴沉的地区之一。川黔之阴一向为国内外气象界所注意,本文根据1951—1980  相似文献   

GMOs and their contexts: A comparison of potential and actual performance of GM crops in a local agricultural setting     

A. Wendy Russell 《Geoforum》2008,39(1):213-222

In this paper, I argue that genetically modified organisms (GMOs) have inherent potential to contribute to socially and environmentally sustainable agriculture by virtue of their ‘biological embeddedness’. Their actual ‘performance’ and how this contributes to sustainability depends on the ‘mutual shaping’ of technology and context. While much attention has been given to the design context of GMOs, this paper considers the influence of the application context and of users. A case study investigating the use of insect-resistant and herbicide-tolerant GM cotton in the cotton-growing region of New South Wales in Australia is presented. The study was based on focus groups with farmers and other stakeholders in a cotton-growing community. It demonstrated a range of direct and indirect effects of GM cotton use, both positive and negative for sustainability, and the ways in which these effects were influenced by the local social context. The influences of the biotechnology industry context, in limiting the contributions that gene technologies can make to sustainability, were also considered, and remedies suggested. I argue that the polarity of the GM debate is hindering progress on these issues, and that a more balanced approach to our analysis of GMOs is necessary in order to fully understand, and to influence, their role in the future of rural spaces.  相似文献   

埃达克岩研究的回顾和前瞻   总被引：15，自引：1，他引：14       下载免费PDF全文

张旗 《中国地质》2008,35(1):32-39

文中回顾了中国埃达克岩研究的进展,讨论了中国埃达克岩文献为什么多的原因,归纳了我们取得的成绩及存在的问题,探讨了埃达克岩目前面临的问题和今后研究的方向。笔者认为,中国埃达克岩的研究正处于方兴未艾的阶段,是现阶段国际埃达克岩研究的焦点和中心之一。尽管发表的文章不少,但是研究水平总体不高。在埃达克岩研究中,有大量的问题等待我们去回答,有众多的现象等待我们去解释。中国东部中生代C型埃达克岩的成因、中国东部高原、埃达克岩与青藏高原抬升的关系以及C型埃达克岩与成矿的关系等,应当是今后重点需要关注的问题。  相似文献   

Marine Ecology - A Century of Changes     

Rupert  Riedl 《Marine Ecology》1980,1(1):3-46

Abstract. The major changes within the concepts of marine ecology are investigated, with the aim to design this new journal's scientific format. Four phases of marine sciences are distinguished: the phase of seafarers, of oceanographic expeditions, of marine stations, and of field research. The changes in the latter two are discussed in detail. The changes are described as occurring along three axes. First, as a movement towards the object; accomplished by fieldwork, scientific diving, remote controlled equipment, and by underwater experimentation. Second, the cooperation between several disciplines that led towards bridging gaps. And lastly, how the discovery of unifying principles in ecology (the development of an ecological theory) led the approach in marine ecology towards increasing complexity.  相似文献   

近海环境地球化学调查研究历史与现状   总被引：1，自引：0，他引：1  

叶思源  周永青  刘兆茂  刘建霞 《海洋地质与第四纪地质》2003,23(4):121-126

近海环境地球化学的研究是一支新兴的发展中的边缘性分支学科，由于环境问题的日益突出，该学科发展较为迅速。通过回顾我国近海环境地球化学调查的历史和综述当今国外该学科的研究现状，概括了该学科的主要进展，并指出存在的问题和今后的发展方向。  相似文献   

动力定位系统与单波束测深仪在科考船定点作业中的应用     

张彬彬  张道建  张海泉  刘凯  张学贤  卢永平 《海洋通报》2020,39(6):651-656

科考船定点作业时会受到海洋风、涌、浪、流等外界环境因素影响，导致工作效率降低，原位测量精度下降，甚至影响作业安全。动力定位系统 （DP） 具有自动定位功能，能够抵抗外界环境因素的影响，可实现科考船高精度定点控位。 单波束测深仪不仅可以测量水深，也可反映水下设备深度信息，可以起到辅助监控水下设备功能。本文在介绍定点作业施工现状与局限性的基础上，分析 DP 系统与单波束测深仪工作原理，以“向阳红 01”船为载体，在定点作业时开启 DP 系统与单波束测深仪，发现该方法可以提高科考船定点作业工作效率、原位测量精度并保障作业安全，可为其他科考船定点作业提供参考。  相似文献   

Natural mortality of cod (Gadus morhua) in the Southern Gulf of St Lawrence     

Sinclair  A. F. 《ICES Journal of Marine Science》2001,58(1):1-10

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