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排序方式: 共有324条查询结果,搜索用时 171 毫秒
81.
Jo Anne Shatkin Linda Carolyn Abbott Ann E. Bradley Richard Alan Canady Tee Guidotti Kristen M. Kulinowski Ragnar E. Löfstedt Garrick Louis Margaret MacDonell Andrew D. Maynard Greg Paoli Lorraine Sheremeta Nigel Walker Ronald White Richard Williams 《Risk analysis》2010,30(11):1680-1687
Scientists, activists, industry, and governments have raised concerns about health and environmental risks of nanoscale materials. The Society for Risk Analysis convened experts in September 2008 in Washington, DC to deliberate on issues relating to the unique attributes of nanoscale materials that raise novel concerns about health risks. This article reports on the overall themes and findings of the workshop, uncovering the underlying issues for each of these topics that become recurring themes. The attributes of nanoscale particles and other nanomaterials that present novel issues for risk analysis are evaluated in a risk analysis framework, identifying challenges and opportunities for risk analysts and others seeking to assess and manage the risks from emerging nanoscale materials and nanotechnologies. Workshop deliberations and recommendations for advancing the risk analysis and management of nanotechnologies are presented. 相似文献
82.
Richard A. Williams Kristen M. Kulinowski Ronald White Garrick Louis 《Risk analysis》2010,30(11):1671-1679
Nanotechnology is a broad term that encompasses materials, structures, or processes that utilize engineered nanomaterials, which can be defined as materials intentionally designed to have one or more dimensions between 1 and 100 nm. Historically, risk characterization has been viewed as the final phase of a risk assessment process that integrates hazard identification, dose‐response assessment, and exposure assessment. The novelty and diversity of materials, structures, and tools that are covered by above‐defined “nanotechnology” raise substantial methodological issues and pose significant challenges for each of these phases of risk assessment. These issues and challenges culminate in the risk characterization phase of the risk assessment process, and this article discusses several of these key issues and approaches to developing risk characterization results and their implications for risk management decision making that are specific to nanotechnology. 相似文献
83.
William H. George Susan A. Stoner Kelly Cue Davis Kristen P. Lindgren Jeanette Norris Peter A. Lopez 《Journal of sex research》2013,50(3):282-291
Based on research showing that alcohol expectancy and gender both play a role in sexual perceptions, we factorially crossed the apparent drinking status of yoked pairs consisting of a participant and a target person (a confederate posing as co‐participant). Alcohol expectancy interacted with gender in complex ways to influence sexual perceptions. We also found behavioral effects: men showed more erotic material to both male and female targets than women did. Men perceived the target as more sexually aroused by erotic material than women did. Men also showed more erotic material to drinking targets than to non‐drinking targets. Sexual perceptions and erotica‐showing behavior were correlated significantly and positively. We discuss these findings in terms of implications for postdrinking heterosexual encounters. 相似文献
84.
Fred Block 《Theory and Society》2013,42(6):647-651
These two books address different dimensions of the triumphal rise of free market ideas. Thomas Medvetz analyzes the emergence of think tanks as a new organizational form in the United States and explains why they have effectively reduced the influence of most academic intellectuals on policy making. Angus Burgin analyzes the emergence and history of the Mont Pèlerin Society—the free market group that was founded by Friedrich Hayek—which had a decisive influence on conservative thought. 相似文献
85.
Koziol-McLain J Webster D McFarlane J Block CR Ulrich Y Glass N Campbell JC 《Violence and victims》2006,21(1):3-21
The killing of women by men who then take their own lives (femicide-suicide) is the most common form of homicide-suicide. This study identified femicide-suicide risk factors in an 11-city case-control study of femicide in the United States. Perpetrator, victim, relationship, and incident characteristics were analyzed for femicide-suicide cases (n = 67) and controls (n = 356, women living in the community with nonfatal physical abuse) using logistic regression modeling. Two risk factors emerged that were unique to femicide-suicides cases compared to overall femicide risk analyses: prior perpetrator suicide threats and victims having ever been married to the perpetrator. 相似文献
86.
George WH Stoner SA Davis KC Lindgren KP Norris J Lopez PA 《Journal of sex research》2006,43(3):282-291
Based on research showing that alcohol expectancy and gender both play a role in sexual perceptions, we factorially crossed the apparent drinking status of yoked pairs consisting of a participant and a target person (a confederate posing as co-participant). Alcohol expectancy interacted with gender in complex ways to influence sexual perceptions. We also found behavioral effects: Men showed more erotic material to both male and female targets than women did. Men perceived the target as more sexually aroused by erotic material than women did. Men also showed more erotic material to drinking targets than to non-drinking targets. Sexual perceptions and erotica showing behavior were correlated significantly and positively. These findings are discussed in terms of implications for postdrinking heterosexual encounters. 相似文献
87.
Kristen Lyons 《Rural sociology》1999,64(2):251-265
Abstract Recent expansion in the organic food industry represents an increasing awareness amongst an array of actors of the implications of conventional agriculture. In particular, the organic agriculture movement has been driven by both organic producers and consumers concerned about the environmental implications of food production and the health effects associated with food consumption. The recent institutionalization of the organic movement in organic regulatory bodies and through the involvement of food companies has encapsulated other actors within this network. This paper looks specifically at Uncle Tobys, a producer of breakfast cereals, which joined this network when it decided to produce an organic breakfast cereal called “Organic Vita Brits.” The integration of this company has expanded the range of actors participating within the organic network and altered the relationships between them. The temporary involvement of Uncle Tobys in the organic food industry has also resulted in a shift in the construction of meaning of “organic.” The limited success, despite many efforts to appeal to green consumers, of Uncle Tobys within this network suggests that organic food remains a niche product, consumed by a minority of consumers. 相似文献
88.
Kristen N. Jozkowski Zoë D. Peterson Stephanie A. Sanders Barbara Dennis Michael Reece 《Journal of sex research》2014,51(8):904-916
Because sexual assault is often defined in terms of nonconsent, many prevention efforts focus on promoting the clear communication of consent as a mechanism to reduce assault. Yet little research has specifically examined how sexual consent is being conceptualized by heterosexual college students. In this study, 185 Midwestern U.S. college students provided responses to open-ended questions addressing how they define, communicate, and interpret sexual consent and nonconsent. The study aimed to assess how college students define and communicate consent, with particular attention to gender differences in consent. Results indicated no gender differences in defining consent. However, there were significant differences in how men and women indicated their own consent and nonconsent, with women reporting more verbal strategies than men and men reporting more nonverbal strategies than women, and in how they interpreted their partner's consent and nonconsent, with men relying more on nonverbal indicators of consent than women. Such gender differences may help to explain some misunderstandings or misinterpretations of consent or agreement to engage in sexual activity, which could partially contribute to the occurrence of acquaintance rape; thus, a better understanding of consent has important implications for developing sexual assault prevention initiatives. 相似文献
89.
Walter Block Joseph Horton Ethan Shorter 《International Journal of Value-Based Management》1998,11(3):253-263
Rent control is a public policy which fails on both normative and positive economic grounds. In the former case, it violates
all canons of equity, of both right (private property rights are sacrosanct) and left (it does not promote egalitarianism,
rather, often, it enriches rich tenants and impoverishes poor landlords). In the latter, it leads to inefficiency, deterioration
of rental housing, reduces incentives for upkeep and maintenance, reduces labor mobility, exacerbates landlord tenant relations,
promotes housing abandonment and homelessness, and misallocates resources away from residential rental units. This sovietization
of housing has effects similar to the sovietization of anything else: farming, factories, industry, forestry, whatever.
This revised version was published online in August 2006 with corrections to the Cover Date. 相似文献
90.