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10,000 years ago,there was 6.2billion ha of forest,covering 1/2 of allland on earth. But now,there are only2.8 billion ha left. Rainforest is being  相似文献   

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How open is innovation?   总被引:6,自引:1,他引:5  
This paper is motivated by a desire to clarify the definition of ‘openness’ as currently used in the literature on open innovation, and to re-conceptualize the idea for future research on the topic. We combine bibliographic analysis of all papers on the topic published in Thomson's ISI Web of Knowledge (ISI) with a systematic content analysis of the field to develop a deeper understanding of earlier work. Our review indicates two inbound processes: sourcing and acquiring, and two outbound processes, revealing and selling. We analyze the advantages and disadvantages of these different forms of openness. The paper concludes with implications for theory and practice, charting several promising areas for future research.  相似文献   

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How is Biological Explanation Possible?   总被引:2,自引:0,他引:2  
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The Catcher in the Rye expounds the theme that growing is a depressing thing.Holden is an alienated adolescence and in search for an identity but get frustrated and anguished.  相似文献   

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The Metaverse is not a radical departure. It is an incremental evolution. Previous virtual worlds, like Second Life, have laid the groundwork for the development of the Metaverse by providing valuable insights into virtual environments and social interactions. Studies of these earlier platforms contribute to a more nuanced understanding of what the Metaverse is, and what it is not. Based on studies of virtual worlds and by applying inductive processes of reflection and abstraction, we propose a framework that supports the identification of attributes that help differentiate the Metaverse from previous virtual worlds from a user experience perspective. We demonstrate the value of the framework by comparing the Metaverse to Second Life. Our framework and comparative analysis ground the current discussions about the Metaverse deeper in the established discourse on virtual worlds. They also shed light on the potential impact of the Metaverse, the special role of its immersiveness and help us to identify lessons learned that can inform the Metaverse's further development.  相似文献   

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To determine the normal range of Hemoglobin and cutoff values in healthy adults of Southern India, blood samples were analyzed for parameters of RBC and iron metabolism in 177 male and 203 female medical students. The data were compared with the American white population (NHANES III) and the WHO criteria for detection of anemia. The mean values for hemoglobin and hematocrit in male students differed minimally from American white males. However, values for parameters of iron metabolism were lower except total iron binding capacity (TIBC) which was higher. In female students, hemoglobin, hematocrit and parameters of iron metabolism were lower than American white females, except TIBC which was higher. Lower 5th percentile cutoff point (Mean − 1.645 SD) in males and females were 13.5 and 10 g/dl respectively. In conclusion, South Indian adult males have Hb values similar to American male adults, but South Indian females have considerably lower Hb levels than American females, raising the questions about appropriateness of WHO or US criteria for detection of anemia in Indian females.  相似文献   

9.
This paper is a review of the changes brought about in the magnetic properties of “iron” during the period 1870 to 1928 and shows the absurdity of using “iron” as a standard for comparison. The latest (1928) value for the initial permeability (μ0) of “iron” is given as 1150, its maximum permeability (μmax) as 61,000, and its hysteresis loss (Wh) as 300 ergs per cubic centimeter per cycle for B = 10,000 gausses. The corresponding values prior to 1900 were: μ0 = 250 μmax = 2600, Wh = 3,000.  相似文献   

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The National Supreme Science and Technology Award in 2006 goes to Prof. LI Zhensheng, a geneticist from the CAS Institute of Genetics & Developmental Biology. At the Awarding Ceremony held on 27 February in Beijing, Prof. Li, also a CAS member, received the certificate for the prestigious award, which comes with a five million yuan (about $650,000) prize, from Chinese President HU Jintao. Nationwide, 326 research projects were honored with the 2006 national S&T awards, including 29 with the National Award for Natural Sciences (two first prizes and 27 second ones); 56 with the National Award for Technological Invention (one first prize and 55 second ones) and 241 with the National Award for Science and Technology Progress (one special prize, 20 first prizes and 220 second ones). Among the 326 projects, 30 were headed by CAS scientists. They include 12 winning the second prize of the National Award for Natural Sciences, five winning the second prize of the National Award for Technological Invention and 13 winning the National Award for Science and Technology Progress (two first prizes and 11 second ones).  相似文献   

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What is so bad about Internet content regulation?   总被引:1,自引:0,他引:1  
Legislation was recently introduced into theAustralian parliament to regulate the Internet. Thiscreated a storm of protest from within the computerindustry, where arguments against the legislationranged from those based on technical difficulties tothose based on moral considerations, particularly offreedom of speech and freedom to access information.This paper is primarily concerned with the moralaspects of Internet regulation, but within theparameters of current technology. It will argue thatsuch regulation can be justified, despite the factthat given the current technology there will bedifficulties with enforcement, and reduction inInternet performance.  相似文献   

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In this paper I wish to show that, although traditional notions of genderand sex break down in cyberspace, a revised Beauvoirian understanding ofsexual secondariness is applicable and useful in coming to terms with thepossible ethical and philosophical ramifications of this relatively newcommunication medium. To this end, I argue that persons who enter intocommunication in online chat rooms necessarily deny the bodily aspectsof their own identity. In so doing, these persons make themselvesinessential, or secondary, in Beauvior's sense. For Beauvoir, this isa denial of one's own freedom, and thus commmunication in cyberspacebecomes an instance of self-oppression. Yet, if self-oppression canbe avoided, the self-oppressor is morally responsible for her or hisown oppression. Ultimately, I argue, cyberspatial communication is aninstance of such self-oppression.  相似文献   

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Self-driving cars promise solutions to some of the hazards of human driving but there are important questions about the safety of these new technologies. This paper takes a qualitative social science approach to the question ‘how safe is safe enough?’ Drawing on 50 interviews with people developing and researching self-driving cars, I describe two dominant narratives of safety. The first, safety-in-numbers, sees safety as a self-evident property of the technology and offers metrics in an attempt to reassure the public. The second approach, safety-by-design, starts with the challenge of safety assurance and sees the technology as intrinsically problematic. The first approach is concerned only with performance—what a self-driving system does. The second is also concerned with why systems do what they do and how they should be tested. Using insights from workshops with members of the public, I introduce a further concern that will define trustworthy self-driving cars: the intended and perceived purposes of a system. Engineers’ safety assurances will have their credibility tested in public. ‘How safe is safe enough?’ prompts further questions: ‘safe enough for what?’ and ‘safe enough for whom?’

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In the face of ubiquitous information communication technology, the presence of blogs, personal websites, and public message boards give the illusion of uncensored criticism and discussion of the ethical implications of business activities. However, little attention has been paid to the limitations on free speech posed by the control of access to the Internet by private entities, enabling them to censor content that is deemed critical of corporate or public policy. The premise of this research is that transparency alone will not achieve the desired results if ICT is used in a one way system, controlled by the provider of information. Stakeholders must have an avenue using the same technology to respond to and interact with the information. We propose a model that imposes on corporations a public trust, requiring these gatekeepers of communication technology to preserve individual rights to criticism and review.  相似文献   

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“The important thing is not to win, it is to take part,” this famous saying by Pierre de Coubertin asserts that the value athletes draw from Olympic games lies in their participation in the event and not in the gold they collect during it. We find similar evidence for scientists involved in grant competitions. Relying on unique data from a Swiss funding program, we find that scientists taking part in a research grant competition boost their number of publications and average impact factor while extending their knowledge base and their collaboration network regardless of the result of the competition. Receiving the funds increases the probability of co-authoring with co-applicants but has no additional impact on the individual productivity.  相似文献   

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This article aims to reconcile the seemingly contradicting arguments put forth in different literatures regarding the role of financial resource constraints as inhibitors or enablers of innovation in organizations. Recognizing that innovative endeavors are regularly carried out through team projects, we examine when, i.e., under what conditions, financial resource constraints enable, rather than inhibit, the performance of innovation teams. Specifically, we propose that the relationship between financial constraints and innovation project performance is moderated by a bounded creativity approach, a team process that leverages the team's domain-relevant skills, an engaging project objective, strong team cohesion, and team potency.  相似文献   

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The transitions literature emphasises the role of niches, defined as a protective space for path-breaking innovations. Surprisingly, the concept of protection has not been systematically interrogated. Our analysis identifies effective protection as having three properties in wider transition processes: shielding, nurturing and empowerment. Empowerment is considered the least developed in current niche literature. It can be understood as either processes that make niche innovations competitive within unchanged selection environments (fit-and-conform) or as processes that contribute to changes in mainstream selection environments in ways favourable to a path-breaking niche innovation (stretch-and-transform). Adopting a more constructivist perspective, we subsequently argue that analysis of these properties needs to be complemented with particular attention for the politics involved in their construction. Attention to empowerment confirms the view that niche actors need to link to wider processes of social change, and suggests how this arises. The paper ends with an outlook upon two promising research avenues: (1) the reconstruction of niche development in light of the present framework; (2) analyses of the diverse (political) narratives seeking to empower niches across time and space.  相似文献   

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With the globalization of the world, language teaching becomes more important than ever before, and many universities and classroom teachers are active to exploret he most efficient and effective methodology to teach languages to achieve a desirable result. When they seek to improve the quality of language teaching, they often research teaching methodologies by referring to general theories about language and language learning. Theoretical bases and teachers‘ hands-out experience have informed methodologies of language teaching, and methods of language teaching have been improved with the developments about linguistics, psychology and education. But there is a question which extent the information that theory has made available can be used to explore language teaching methodology and of the relevance of theory to language teaching methodology.  相似文献   

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Knowledge Management Research & Practice - The knowledge management (KM) mindset is a precursor to a knowledge-sharing culture. It is often assumed that developing a KM mindset is somewhat...  相似文献   

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