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291.
Christopher J. Katilie BS Lauryn E. DeGreeff PhD Caitlin E. Sharpes MS Eric M. Best PhD Patricia E. Buckley PhD Jenna D. Gadberry BS Michele N. Maughan PhD 《Journal of forensic sciences》2023,68(6):2021-2036
While canines are most commonly trained to detect traditional explosives, such as nitroaromatics and smokeless powders, homemade explosives (HMEs), such as fuel–oxidizer mixtures, are arguably a greater threat. As such, it is imperative that canines are sufficiently trained in the detection of such HMEs. The training aid delivery device (TADD) is a primary containment device that has been used to house HMEs and HME components for canine detection training purposes. This research assesses the odor release from HME components, ammonium nitrate (AN), urea nitrate (UN), and potassium chlorate (PC), housed in TADDs. Canine odor recognition tests (ORTs) were used with analytical data to determine the detectability of TADDs containing AN, UN, or PC. Headspace analysis by gas chromatography/mass spectrometry (GC/MS) with solid-phase microextraction (SPME) or online cryotrapping were used to measure ammonia or chlorine, as well as other unwanted odorants, emanating from bulk AN, UN, and PC in TADDs over 28 weeks. The analytical data showed variation in the amount of ammonia and chlorine over time, with ammonia from AN and UN decreasing slowly over time and the abundance of chlorine from PC TADDs dependent on the frequency of exposure to ambient air. Even with these variations in odor abundance, canines previously trained to detect bulk explosive HME components were able to detect all three targets in glass and plastic TADDs for at least 18 months after loading. Detection proficiency ranged from 64% to 100% and was not found to be dependent on either age of material. 相似文献
292.
Fabiana de Moura MS Mariana C. C. Diniz BS Yuri Machado PhD Cláudia D. R. Ricoy BS Evandro Piccin PhD 《Journal of forensic sciences》2023,68(4):1198-1205
This work presents a data survey regarding the qualitative chemical analysis of drugs seized by the Police in the state of Minas Gerais between July 2017 and June 2022, including an evaluation of labeling of 265 samples of anabolic androgenic steroids (AAS) seized in 2020. The Active Pharmaceutical Ingredients (API) present in the samples were identified through chemical analysis and classified by system Anatomical Therapeutic Chemical (ATC) methods. Analysis of the labeling information for 265 samples of AAS followed the guidance of legislation RDC 71 (2009) from ANVISA. For this study 6355 seized pharmaceuticals underwent qualitative chemical analysis that corresponded to 7739 APIs successfully identified and classified. Among the components studied AAS, psychostimulants, anesthetics, and analgesics were the most commonly examined. AAS seized and tested increased by over 100% and for the majority of the samples analyzed were found to not match the labeling on the packaging. In the meantime, anti-obesity drugs presented a prominent increase of 400% from 2020/1 to 2021/2, during covid-19 quarantine. Seized pharmaceuticals and tests can support information in the planning of public health and safety policies. 相似文献
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AbstractDespite an overall decrease in residential mobility after the 2007 housing crisis, many households, particularly those that are low income, continue to move in pursuit of a better life. Traditional theories of residential mobility suggest that mobility will occur when housing and transportation costs are cumulatively greater than the cost of moving to a new location. At the same time, the influence of these factors is not likely to be uniform across geographic contexts or for moves up or down the metropolitan hierarchy. Our analysis examines how well affordability measures explain patterns of county-level residential mobility. Specifically, we contrast conventional measures of affordability focused on the ratio of income to housing expense with measures of location affordability that factor in both housing and transportation costs. We find that whereas households tend to move from lower to higher cost locations, transit affordability at the destination plays an important role in mobility decisions. 相似文献
297.
Andrew Rosser 《The Pacific Review》2016,29(1):115-136
Abstract The economic rise of developing Asia has given impetus to debates over the geographic orientation, strategy, organisation, and collaborative relationships of the Australian aid programme. This paper examines these debates, Australian government responses, and the politics underlying these responses. It points to, among things, the different ways in which the Labor Party and the Liberal–National Coalition have dealt with these issues, reflecting their different constituencies and foreign policy philosophies. The paper also assesses the future trajectory of Australian aid policy, in particular, the extent to which it is embracing the Chinese model of aid. 相似文献
298.
What Does ‘Collaboration’ Without Government Look Like? The Network Qualities of an Emerging Partnership
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Michael Moran Andrew Joyce Josephine Barraket Caitlyn MacKenzie Emily Foenander 《Australian Journal of Public Administration》2016,75(3):331-344
Cross‐sectoral partnerships are increasingly common in Australian human service delivery. Yet research has not often focused on partnerships where private actors broker an arrangement to address complex community needs. Using a combination of interviews, focus groups, and social network analysis (SNA), this paper investigates the network qualities of a nascent partnership between a not for profit (NFP) service provider and a major retail water company that seeks to address financial hardship. Ultimately, we assess whether this represents genuine collaboration or another form of joint action. We find that the privately steered partnership generates instrumental benefits characteristic of cross‐sectoral arrangements, as well as challenges. SNA reveals a very high degree of connection between the partner organisations, but the results suggest that the partnership is coordinative rather than collaborative. We also find that this is leading to tacit organisational and institutional modifications as the NFP assumes a ‘market facing’ posture and adjusts to the demands of working with private sector partners. However, at this early stage of development, the level of systemic adjustment between both organisations remains incomplete. 相似文献
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Bilateral Investment Treaties (BITs) present developing countries with a trade-off. BITs plausibly increase access to international capital in the form of foreign direct investment (FDI), but at the cost of substantially curtailing a government’s policy autonomy. Nearly 3000 BITs have been entered into, suggesting that many countries have found this trade-off acceptable. But governments’ enthusiasm for signing and ratifying BITs has varied considerably across countries and across time. Why are BITs more popular in some places and times than others? We argue that capital scarcity is an important driver of BIT signings: The trade-off inherent in BITs becomes more attractive to governments as the need to secure access to international capital increases. More specifically, we argue that the coincidence of high US interest rates and net external financial liabilities heightens governments’ incentives to secure access to foreign capital, and therefore results in BIT signings. Empirical evidence is consistent with our theory. 相似文献
300.
Danielle Wallace Andrew V. Papachristos Tracey Meares Jeffrey Fagan 《Justice Quarterly》2016,33(7):1237-1264
Legitimacy-based approaches to crime prevention assume that individuals will comply with the law when they believe that the law and its agents are legitimate and act in ways that are “fair” and “just.” Currently, legitimacy-based programs are shown to lower aggregate levels of crime; yet, no study has investigated whether such programs influence individual offending. Using quasi-experimental design and survival analyses, this study evaluates the effectiveness of one such program—Chicago’s Project Safe Neighborhoods’ (PSN) Offender Notification Forums—at reducing individual recidivism among a population of returning prisoners. Results suggest that involvement in PSN significantly reduces the risk of subsequent incarceration and is associated with significantly longer intervals that offenders remain on the street and out of prison. As the first study to provide individual-level evidence promoting legitimacy-based interventions on patterns of individual offending, out study suggests these interventions can and do reduce rates of recidivism. 相似文献