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1.
The historic cities of Brazil, despite its colonial structure, don't fail to go through transformations that affect contemporary cities, which is the main source of problems, leading to new approaches to urban issues such as mobility and accessibility. The uncontrolled growth of tourism in the historic cities can be considered as a big problem, because at the same time, they have committed to the conservation of its built heritage and demand control of the activities that occur in their areas without harm. Then, a permanent dialogue between conservatives and planners could be accomplished by joining the various sectoral policies. The study of urban mobility in historical sites was in fact the focus of this work because of their peculiarities, such as its specific characteristics of urban structure, morphology and occupation. In fact, the development of tourism in historic centers generates specific demands, such as adaptation to new uses of the houses, intensive movement of people and vehicles, illegal parking, among others. Beyond threatening the city preservation, does not provide mobility and accessibility to tourists, because these cities were not designed for the tourism conditions and needs of contemporary life. Characteristic features of Brazilian baroque cities, such as topography , the narrow streets, narrow or nonexistent sidewalks, steep turns and ramps strong, are not suitable for heavy vehicles, traffic and pedestrian circulation. Thus, studies concerning conservation urban integrated are aimed at an approach to interaction between historic preservation of the environment with the dynamic socio-economic of the local.  相似文献   

2.
This article describes the experience of Nottingham and Birmingham Universities in partnership with workers from Advocacy In Action and shows that service‐users, carers and other eligible citizens can and should be involved in deciding fitness for practice and in the managing of that practice, and that such involvement enhances the student experience and lays the foundations for partnership working in the professional arena. The users and citizen stakeholders of social services are a valuable resource in respect of all aspects of service planning, delivery and control. In respect of social work education, their involvement is too valuable an opportunity to miss and we look forward to further exciting partnerships in the field of practice learning.  相似文献   

3.
This is a research study based on an analysis which sets out to identify and pinpoint ergonomic and usability problems found in a sample of automobile dashboards. The sample consisted of three dashboards, of three different makes and characterized as being a popular model, an average model and a luxury model. The examination was conducted by observation, with the aid of photography, notes and open interview, questionnaires and performing tasks with users, the bases of which are on the principles laid down by methodologies. From this it was possible to point to the existence of problems such as: complaints about the layout, lighting, colors, available area, difficult access to points of interaction, such as buttons, and the difficult nomenclature of dials. Later, the findings and recommendations presented show the need for a further, deeper study, using more accurate tools, a larger sample of users, and an anthropometric study focused on the dashboard, since reading and understanding it have to be done quickly and accurately, and that more attention be given to the study of automobile dashboards, particularly in the most popular vehicles in order to maintain the standards of usability, and drivers' comfort and safety.  相似文献   

4.
2014年中国经济增速将低于2013年,季度经济增速可能低于7%:经济依然处于下行周期中;全社会固定资产投资将结束年增长20%以上的历史;中国依然不会出现通货膨胀问题;地方政府债务泡沫、某些产能泡沫有可能破灭并引发短暂的阵痛,但这些小泡沫的破灭有利于经济长期发展、有利于大局。我国经济增速放慢是规律使然,是消化产能过剩的过程中必须经历的,是调整结构、转型升级的过程中必须经历的,是消化刺激政策后遗症的过程中必须经历的,也是深化改革的过程中必须经历的。  相似文献   

5.
This paper will argue that postmodernism has gone too far in suggesting that all of reality is socially constructed. The result is a return to pre‐modern thought, where observation and verifiability are discredited. Wilber's model of Broad Science is used as a means of maintaining the insights of Social Constructionism while avoiding the extremes of postmodernism. His Four‐Quadrant model of Broad Science offers a means to integrate all therapies into a coherent framework, thus avoiding many of the power struggles that have been characteristic of family therapy's history.  相似文献   

6.
The crises of representative democracy and of state-based politics have been declared many times and ‘participation’ is often advocated as a remedy for the shortcomings of both. While the literature has extensively discussed representative practices in relation to territorial states, we argue in this article that more attention should be paid to the question of representation within transnational social movements striving for a politics that transcends current territorially bounded representative democracy. Analysing the World Social Forum and West African participatory trade policy-making, we find that as transnational social movements aiming at democratic goals deepen their interactions, they can face demanding questions such as: who or what has a right to be made present in a given political process and how is this established? We claim that avoiding the question of representation in transnational non-state-centred politics leaves power too many places to hide.  相似文献   

7.
In some occupations pushing forces are frequent when performed on horizontal ground and are standardized (ISO 2002). In special cases employees are obliged to grow container on slopes and the strains are poorly investigated. The objective of this work is to measure forces required to push garbage container on horizontal and inclined at 0, 4, 11 and 16 % grounds. Sudden and significant increases in heart rate reflect the possible risk of heart overload in long displacements. This study proposes realistic limits and provides a simple and protective tool for a group of employees without distinction of age or gender. These limits can even be reduced to a quasi-linear model where push 200 kg is the maximum for 0% slope and 60 kg for 10% slope.  相似文献   

8.
Policies to reduce carbon emissions by vehicles, such as fuel economy standards and gasoline taxes, have impacts on vehicle weight and thus on safety. This paper develops a model that separately identifies the impact of vehicle weight on mortality and selection effects that impact accident propensity. The main results are that (1) the safety externalities associated with heavy vehicles are greater than the environmental ones; (2) under fuel economy standards, vehicle weights have recently decreased with little likely effect on accident deaths; and (3) similar environmental benefits could be combined with substantial reductions in deaths by implementing higher gasoline taxes. (JEL H23, D62)  相似文献   

9.
This paper examines recent street tests of autonomous vehicles (AVs) in the UK and makes the case for an experimental approach in the sociology of intelligent technology. In recent years intelligent vehicle testing has moved from the laboratory to the street, raising the question of whether technology trials equally constitute tests of society. To adequately address this question, I argue, we need to move beyond analytic frameworks developed in 1990s Science and Technology Studies, which stipulated “a social deficit” of both intelligent technology and technology testing. This diagnosis no longer provides an effective starting point for sociological analysis, as real-world tests of intelligent technology explicitly seek to bring social phenomena within the remit of technology testing. I propose that we examine instead whether and how the introduction of intelligent vehicles into the street involves the qualification and re-qualification of relations and dynamics between social actors. I develop this proposal through a discussion of a field study of AV street trials in three cities in the UK—London, Milton Keynes, and Coventry. These urban trials were accompanied by the claim that automotive testing on the open road will enable cars to operate in tune with the social environment, and I show how iterations of street testing undo this proposition and compel its reformulation. Current test designs are limited by their narrow conception of sociality in terms of interaction between cars and other road users. They exclude from consideration the relational capacities of vehicles and human road users alike—their ability to co-exist on the open road. I conclude by making the case for methodological innovation in social studies of intelligent technology: by combining social research and design methods, we can re-purpose real-world test environments in order to elucidate social issues and dynamics raised by intelligent vehicles in society by experimental means, and, possibly, test society.  相似文献   

10.
Work with infants on the “visual cliff” links avoidance of drop‐offs to experience with self‐produced locomotion. Adolph's (2002) research on infants' perception of slope and gap traversability suggests that learning to avoid falling down is highly specific to the postural context in which it occurs. Infants, for example, who have learned to avoid crossing risky slopes while crawling must learn anew such avoidance when they start walking. Do newly walking infants avoid crossing the drop‐off of the visual cliff? Twenty prewalking but experienced crawling infants were compared with 20 similarly aged newly walking infants on their reactions to the visual cliff. Newly walking infants avoided moving onto the cliff's deep side even more consistently than did the prewalking crawlers. Thus, in the context of drop‐offs in visual texture, our results show that once avoidance of drop‐offs is established under conditions of crawling, it is developmentally maintained once infants begin walking.  相似文献   

11.
A questionnaire investigating adolescents' opinions and experiences regarding marijuana use was administered to 163 adolescents and young adults (96 boys and 67 girls) aged 13 to 20 (mean age = 16.8, s.d. = 1.5). Items referred to marijuana and other substances' dangerousness, representations regarding the positive and negative consequences of marijuana use. Responses were compared according to marijuana use status (classified into never/occasional use, current regular use and past regular use). Results show that adolescents' opinions differ according to their experience with marijuana use. Current regular users evaluate marijuana as less dangerous, but alcohol and heroin as more dangerous in comparison with never/occasional and past users. Current and past users are more likely to define marijuana as a medical drug and a plant used in agriculture, and less likely to define it as an illegal drug. Current and past users evaluate marijuana use as a way to cope with stress, to relax to a greater extent than do never/occasional users do. The latter attribute more negative consequences to marijuana use such as diminished driving ability and school performance and a pathway to hard drugs.  相似文献   

12.
Practitioners who view intimate partner violence as a set of strategies aimed at maintaining positions of power and privilege often face an engagement dilemma when men at their first contact talk of themselves as disempowered by circumstances such as separation, loss of access to children, legal problems, substance abuse issues, and their own history of being abused. This paper explores how a language-oriented approach to violence can assist practitioners in responding to abuser's current perceptions while avoiding collusion with justifications for violence. It examines common ways of speaking that men will employ to justify their violence then explores practical ways to identify and neutralized these messages before exploring personal opportunities for change.  相似文献   

13.
This paper identifies conditions for the rapid diffusion of what may be part of the solution for global sustainable energy – hydrogen – by drawing a comparison with the contemporary history of the Internet. The Cold War drove the take-off of the Internet and state regulation ensured that the market on which its rapid diffusion came to depend was not controlled by corporations. To take-off and start to diffuse, hydrogen energy could similarly have to be considered a “public good”. However, the comparison with the Internet reveals differences too. The Internet diffused rapidly among the public at low cost to individual users, starting in the mid 1980s and kicking off in the 1990s. To achieve affordable hydrogen transport in the long term, many drivers might have to forgo cars for public transport. Moreover, global sustainable energy demands cooperation between nations rather than the conflict that spurred the Internet.  相似文献   

14.
This work was undertaken in France at the request of a local fire and rescue school in order to conduct an analysis of driving two types of heavy rescue vehicle with a view to improving training. This study took place in a context of specialisation: the drivers of these vehicles will henceforth only perform this type of task. Consequently, specific training has been designed in advance. Our study concerns the improvement of this training, taking account of the particularities of driving these vehicles in emergency situations typical to the profession of fire-fighters. The results stress first that driving of rescue vehicles in emergency situations is a multidimensional collective activity. Driving strategies identified share certain common objectives: "optimising trajectories", warn other road users, anticipate their behaviour and leave room for manoeuvre to counter and react to any unexpected behaviour. They include risks management for the potential victims of the incident and the risk of accidents during the journey. These initial results help identify certain recommendations for the training courses dealing with driving vehicles in emergency situations. They also provide a warning concerning the possible consequences of driver specialisation.  相似文献   

15.
Complete markets imply the separation of food production and consumption decisions such that they can be modeled to occur sequentially and can be studied independently. Separation is very often assumed implicitly in empirical studies of food demand. If there is such separation, then food sourced within the household should not have any influence upon the budget share of each food group. Using this insight, this paper first develops a procedure to test for the separation of household food production and consumption decisions. Furthermore, it incorporates the testing procedure into the Almost Ideal Demand Systems model and utilizes survey data from 2003 for Turkey for empirical testing. It concludes that the separation assumption is unwarranted for Turkey. Next, it investigates the extent of bias in elasticity estimates when the separation assumption is unwarranted. It concludes that ignoring the nonseparation of consumption and production decisions in rural areas leads to significant overestimation of food expenditure elasticity for dairy products and eggs and own-price elasticity for bread and cereals.  相似文献   

16.
Estimating the sizes of hard-to-count populations is a challenging and important problem that occurs frequently in social science, public health, and public policy. This problem is particularly pressing in HIV/AIDS research because estimates of the sizes of the most at-risk populations-illicit drug users, men who have sex with men, and sex workers-are needed for designing, evaluating, and funding programs to curb the spread of the disease. A promising new approach in this area is the network scale-up method, which uses information about the personal networks of respondents to make population size estimates. However, if the target population has low social visibility, as is likely to be the case in HIV/AIDS research, scale-up estimates will be too low. In this paper we develop a game-like activity that we call the game of contacts in order to estimate the social visibility of groups, and report results from a study of heavy drug users in Curitiba, Brazil (n = 294). The game produced estimates of social visibility that were consistent with qualitative expectations but of surprising magnitude. Further, a number of checks suggest that the data are high-quality. While motivated by the specific problem of population size estimation, our method could be used by researchers more broadly and adds to long-standing efforts to combine the richness of social network analysis with the power and scale of sample surveys.  相似文献   

17.
The plant community in the karst forest is influenced by mesoclimatic conditions, such as temperature and humidity and these conditions are in turn influenced by topographic features. Urban areas adjacent to karstic forest remnants also have the potential to influence mesoclimatic variables and may serve as a source of exotic species. We described the temperature and relative humidity of karstic forest remnants at slopes with combinations of either southeast (SE) or northwest (NW) aspect, and adjacent to either urban (URB) or secondary forest (SF). We also compared forest structure and composition on these slopes to understand the interaction between forest aspect and adjacent land use on the plant community. URB-SE slopes had highest temperature and lowest humidity among all adjacent land use-aspect combinations. Understory species in SE slopes had similar richness and diversity independently of adjacent land use, however within NW aspect, slopes adjacent to urban areas showed higher values than slopes adjacent secondary forest. Canopy trees species in slopes adjacent to secondary forest were more diverse and rich in SE than in NW, although no differences between aspects were detected within URB-adjacent slopes. Understory species composition was different among the four land use-aspect combinations. However, composition of canopy trees species was different only between aspect types. Most exotic species in the sites were associated with previous agricultural practices and not with current land use. Our results show a temporal and spatial influence of anthropogenic systems on the plant community in karstic forest remnants at a suburban area of Puerto Rico.  相似文献   

18.
The social construction of gender dictates the masculine and feminine roles deemed appropriate within a society. Society has traditionally socially constructed women to be mothers and the primary parent, leaving fathers much too often on the sidelines of parenthood. For example, if a parent is a man, they have fewer rights than a parent who is a woman. Gender biases in society are insidious problems. Such biases can lead to the development of adverse attitudes, beliefs and unfair treatment of members of these groups by both individuals and social institutions. This paper will demonstrate the need to investigate the possibility of a systemic male gender bias in CWS. The paper will include the statement of the problem, the rationale and the framework of how gender is socially constructed to help in the understanding of how it negatively impacts fathers. Next will be a discussion of avoiding fathers at all six principle phases of CWS, the lack of parent programs specific to fathers, direction for future research and potential research implications for fathers, children and child welfare workers.  相似文献   

19.
Disability‐related public policy currently emphasises reducing the number of people experiencing exclusion from the spaces of the social and economic majority as being the pre‐eminent indicator of inclusion. Twenty‐eight adult, New Zealand vocational service users collaborated in a participatory action research project to develop shared understandings of community participation. Analysis of their narratives suggests that spatial indices of inclusion are quiet in potentially oppressive ways about the ways mainstream settings can be experienced by people with disabilities and quiet too about the alternative, less well sanctioned communities to which people with disabilities have always belonged. Participants identified five key attributes of place as important qualitative antecedents to a sense of community belonging. The potential of these attributes and other self‐authored approaches to inclusion are explored as ways that people with disabilities can support the policy objective of effecting a transformation from disabling to inclusive communities.  相似文献   

20.
Problematic opioid use in Canada is on the rise, and opioid overdose deaths now number in the thousands each year. While opioids have long been responsible for overdoses among certain demographics of Canadians, such as drug users on Vancouver's notoriously impoverished downtown Eastside, it is only recently that fatal overdoses have also claimed the lives of White, middle-class young people. This critical discourse analysis of Canadian news media examines the differences in racial representation in recent coverage of opioid deaths. I pay particular attention to the ways in which White opioid users are portrayed as innocent victims while other users, such as those from Indigenous communities, are often ignored or stigmatized as “addicts.” I draw on the work of Hall (1978; 2000) and Reinarman and Levine (1989; 2004) on the role of media in representing race and constructing drug scares, to frame the media narratives. I then discuss the Canadian government's current harm-reduction approach to the opioid crisis, as well as calls from Indigenous leaders for “culture as treatment.”  相似文献   

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