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The Limits of Domestic Spatiality in the Information Age-A Secondary Publication
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作者 Juan Manuel Lozano de Poo 《Journal of World Architecture》 2024年第1期76-82,共7页
The limits of spatiality have blurred in the information age;a phenomenon that can be observed through the socio-spatial implications of Internet use in the domestic sphere.How and why are the use and organization of ... The limits of spatiality have blurred in the information age;a phenomenon that can be observed through the socio-spatial implications of Internet use in the domestic sphere.How and why are the use and organization of space-time around the Internet shaping a new domestic spatiality that intertwines the digital space with the production of social space through the practice of habits,presence,and interaction of individuals?What are the repercussions of the superimposition of digital space on human existence?The units of analysis were integrated through the sum of people and middle-class housing in the face of the digitalization process in the city of San Luis Potosi,Mexico.The questionnaire consisted of 35 questions designed from the Likert scale under the thematic order of presence,interaction,and habituality.The data were analyzed using SPSS software.This research contributes to explaining the current period in the history of inhabitable space,dominated by the simultaneous interrelationships between individuals,digital space,and architecture,which result in the detachment and devaluation of physical domestic space,while also highlighting the lack of control and regulation of individuals over the Internet. 展开更多
关键词 GRAFFITI Urban image LEGISLATION REGULATIONS South America
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Euthanasia controversy in China:do we have the right to die?
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作者 Wei Zhou Chen-Chen Hu +6 位作者 An-Qi Li Qing Wang Yu-Qiang Sun Jia-Yi Si Si-Yi Jin Xin-Yu Wang Jian-Hua Mao 《History & Philosophy of Medicine》 2024年第1期10-13,共4页
This research examines the contentious issue of euthanasia and physician-assisted suicide in the context of China's unique conditions.Historically,the debate over euthanasia has been influenced by moral philosophy... This research examines the contentious issue of euthanasia and physician-assisted suicide in the context of China's unique conditions.Historically,the debate over euthanasia has been influenced by moral philosophy and ethics,and euthanasia is illegal in China at present.The research explores the difficulty in making euthanasia legalized across five key dimensions:financial,medical,social,legal,and psychological factors.We conclude that while there is a desire among some terminally ill patients for euthanasia,the current situation in China makes it unsuitable for legalization.The profound question of one's right to die remains a significant moral and judicial challenge,indicating the need for continued dialogue and nuanced understanding of this complex issue. 展开更多
关键词 EUTHANASIA physician-assisted suicide China LEGISLATION
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Palliative care with adequate pain relief challenges the need for euthanasia legislation
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作者 Renald Blundell Martina Cini Kimberley Blundell 《History & Philosophy of Medicine》 2024年第2期6-13,共8页
Background:In today’s society the ongoing discussion about euthanasia triggers emotionally charged debates surrounding the delicate balance between valuing life and respecting an individual’s autonomy.With the persi... Background:In today’s society the ongoing discussion about euthanasia triggers emotionally charged debates surrounding the delicate balance between valuing life and respecting an individual’s autonomy.With the persistence of this debate,there has been the emergence of the concept of the so-called alternative:palliative care.Positioned as a substitute for euthanasia,palliative care aims to alleviate suffering in terminally ill patients without engaging in the ethical dilemmas associated with euthanasia.Methods:This paper explores the facets of palliative care highlighting its core objectives such as providing adequate pain relief as a compassionate alternative to euthanasia.Results:By examining palliative care as a comprehensive approach to end of life support,this study challenges the perceived necessity of euthanasia and advocates,for compassionate and dignified end of life experiences.Conclusion:In conclusion,palliative care emerges as a viable and ethically sound alternative to euthanasia,emphasizing the importance of compassionate end-of-life care and pain management. 展开更多
关键词 palliative care adequate pain relief euthanasia legislation end-of-life care patient-centered care policy development
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Impact of Smoke-Free Legislation on Acute Myocardial Infarction and Subtypes of Stroke Incidence in Shenzhen,China,2012-2016:An Interrupted Time Series Analysis
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作者 SHI Yu Lin XIONG Jing Fan +3 位作者 LIU Li Qun ZHAO Zhi Guang WAN Xia PENG Ji 《Biomedical and Environmental Sciences》 SCIE CAS CSCD 2023年第6期527-536,共10页
Objective This study assesses the impact of smoke-free legislation on the incidence rate for acute myocardial infarction(AMI)and stroke in Shenzhen.Methods Data on ischemic(n=72,945)and hemorrhagic(n=18,659)stroke and... Objective This study assesses the impact of smoke-free legislation on the incidence rate for acute myocardial infarction(AMI)and stroke in Shenzhen.Methods Data on ischemic(n=72,945)and hemorrhagic(n=18,659)stroke and AMI(n=17,431)incidence covering about 12 million people in Shenzhen from 2012 to 2016 were used.Immediate and gradual changes in incidence rates were analyzed using segmented Poisson regression.Results Following the smoke-free legislation,a 9%(95%CI:3%-15%)immediate reduction was observed in AMI incidence,especially in men(8%,95%CI:1%-14%)and in those aged 65 years and older(17%,95%CI:9%-25%).The gradual annual benefits were observed only in hemorrhagic and ischemic stroke incidence,with a 7%(95%CI:2%-11%)and 6%(95%CI:4%-8%)decrease per year,respectively.This health effect extended gradually to the 50-64 age group.In addition,neither the immediate nor gradual decrease in stroke and AMI incidence rates did not show statistical significance among the 35-49 age group(P>0.05).Conclusion Smoke-free legislation was enforced well in Shenzhen,which would generate good experiences for other cities to enact and enforce smoke-free laws.This study also provided more evidence of the health benefits of smoke-free laws on stroke and AMI. 展开更多
关键词 Smoke-free legislation Second-hand smoke TOBACCO Myocardial infarction STROKE Prevention
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Towards an Indigenous Social Inclusion Paradigm:Igbo Apprenticeship System,Poverty Alleviation and Wealth Creation in South-East Nigeria
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作者 Kenneth Nduka Omede Ngboawaji Daniel Nte 《Economics World》 2023年第3期97-115,共19页
This research looked at how the Igbo trade apprenticeship programme has helped lower poverty rates in that region of Nigeria.Five hypotheses were generated to test the potential existence of a causal connection betwee... This research looked at how the Igbo trade apprenticeship programme has helped lower poverty rates in that region of Nigeria.Five hypotheses were generated to test the potential existence of a causal connection between the independent and dependent variables.Using a survey methodology,a structured questionnaire was used to collect data,which was then evaluated using chi-square tests.The research found that the Igbo trade apprenticeship system contributed to lessening poverty in Nigeria’s southeast.According to the results,the method was successful in developing rich Igbo entrepreneurs and businesses,who in turn eradicated hunger,poverty,disease,and unemployment in Nigeria’s South East.The study concluded that the Nigerian government might better protect its citizens from exploitation within the Igbo trade apprenticeship system if it passed legislation to regulate,maintain,and prevent such abuse. 展开更多
关键词 ENTREPRENEUR IGBO SOUTHEAST poverty APPRENTICE LEGISLATION
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Fostering Patient Safety: Importance of Nursing Documentation
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作者 Shamsa Samani Salma Amin Rattani 《Open Journal of Nursing》 2023年第7期411-428,共18页
Background: Nurses are professionally accountable for assessing and documenting patients’ vital signs. Nurses failing to fulfill this responsibility position their patients at risk. This paper presents two real-life ... Background: Nurses are professionally accountable for assessing and documenting patients’ vital signs. Nurses failing to fulfill this responsibility position their patients at risk. This paper presents two real-life cases pertaining to patients’ safety resulting in fatal outcomes, leading to the professional, legal, and ethical liability of nurses as the providers of patient care. Objective: This paper focuses on the role of organizational culture in fostering patient safety specifically in monitoring and documentation of patients’ vital signs and early recognition of warning signs. Methodology: A comprehensive literature search was conducted using various databases, examining the significance of vital signs monitoring and documentation and early warning signs in patient safety. Relevant articles combining quantitative and qualitative data were analyzed. Results: By fostering an environment of honest reporting, healthcare organizations can enhance patient safety and improve the quality of care. This paper offers valuable insights and recommendations for developing effective strategies aligned with organizational policies and protocols. Conclusion: This paper serves as a valuable resource, encouraging healthcare professionals to reflect on their practices and the organizations to assess their contributions to creating a culture of safety. It also highlights the importance of reporting and disclosing adverse events as learning opportunities and outlines the role of ethics, professionalism, legislation, and organizational support in achieving patient safety. 展开更多
关键词 Case Scenarios Patient Safety DISCLOSURE ETHICS LEGISLATION Electronic Health Record
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The Dilemma and Path of China's Sports Management System in the New Era
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作者 Jing Wu 《教育技术与创新》 2023年第2期48-56,共9页
Strong in sports is strong in China,and the prosperity of sports is the prosperity of country.Sports embody the dream of national strength and revitalization,which is not only the true meaning of national strength,but... Strong in sports is strong in China,and the prosperity of sports is the prosperity of country.Sports embody the dream of national strength and revitalization,which is not only the true meaning of national strength,but also an important component of people's healthy and happy lives.Since the 18th Party Congress of the Communist Party of China,General Secretary Xi Jinping has delivered a number of important speeches on sports reform and development,as well as a series of important instructions and comments.China's sports management framework is essentially complete,the sports management mechanism has been improved,and the legalization has been developed.Despite China’s success in sports governance,there are still issues that need to be addressed,such as the conflict between administration and sports management,the imperfection of the relevant sports legislation system,the lack of methods for utilizing modern technology,and unified approach to sports development.This paper will examine the evolution of sports governance in China,analyze its problems.Finally,in response to the existing problems,investigate some viable options for promoting the development of sports in China. 展开更多
关键词 Sports management system ADMINISTRATION LEGISLATION PATHWAYS
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Organ Donation and Obstacles: University Student Survey
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作者 Khalid Khaleq Anas Erragh Loubna Benaddi 《Open Journal of Organ Transplant Surgery》 2023年第1期1-14,共14页
Background: Organ transplantation has helped improve the quality of life of patients with lethal terminal organ failure. This success is owed to the progress made in many fields such as surgery, immunology…Howev... Background: Organ transplantation has helped improve the quality of life of patients with lethal terminal organ failure. This success is owed to the progress made in many fields such as surgery, immunology…However, in our country Morocco, we are faced with reluctance to donate. The study’s objective is to evaluate the perception of organ donation among university students. Methods: We conducted this cross-sectional study with descriptive and analytical aims. Our target population consisted of 991 university students from eight higher education structures. An anonymous questionnaire was distributed to those students by a single interviewer. The questions of the survey answered four main themes. Thus, two types of studies were done. The first was a descriptive study of the socio-demographic characteristics of the selected population and their knowledge and attitudes about organ donation. The second was an analytical study of the correlation between the socio-demographic characteristics, type and level of education of the target population and their knowledge and attitudes towards organ donation. Results: 97.2% of the respondents have already heard about organ donation. If 836 of the students (84.4%) thought that transplantation could be an effective therapeutic alternative, 155 of the students (15.6%) were not aware of this possibility. Furthermore, 298 students, which means 30.1% of the students, did not know that organ transplantation was practiced in Morocco. The causes of refusal found in our study were numerous. 68.5% of students blamed the lack of information as the main cause of their reluctance. 64.7% were afraid of organ trafficking. 41.1% refused the idea of mutilating the body of the deceased, which could impact the funeral. 37.3% thought that donation would be a violation of the human body according to religious values. 33.9% were against donation because they hoped that the brain-dead patient could wake up. The main results of our survey showed the very favorable attitude towards organ donation and transplantation, despite the lack of knowledge on the subject. Conclusion: This study revealed the absence of information on the practice of organ transplantation in Morocco and the underestimation of the number of people waiting for transplantation. On the other hand, like the data found in the literature, our study highlights the religious obstacles and the lack of confidence in the legislation governing donation and transplantation in our country. 展开更多
关键词 Organ Donation Lack of Information RELIGION LEGISLATION Organ Trafficking
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A Comparative Study of Local Legislation on Family Education in China
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作者 Xiaoman Hu 《Journal of Contemporary Educational Research》 2023年第4期85-90,共6页
Since 2017,10 provinces(cities)in China have promulgated local laws and regulations on family education,ushering in ground-breaking improvements in the working mechanism,content,subjects,system,and local characteristi... Since 2017,10 provinces(cities)in China have promulgated local laws and regulations on family education,ushering in ground-breaking improvements in the working mechanism,content,subjects,system,and local characteristics of family education.Based on a comparative study of the local legislation on family education in the 10 provinces,the characteristics and differences are summarized,and recommendations and prospects for local legislation on family education in other provinces are presented in this paper. 展开更多
关键词 Family education Local legislation Comparative study
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论地方立法效益提高之路径
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作者 周光清 《广东省社会主义学院学报》 2010年第4期108-110,97,共4页
文章对影响地方立法效益的诸多因素进行了较为全面的分析,提出提高我国地方立法效益的几种可取途径:转变地方立法理念、降低地方立法成本、促进地方立法与地方法规实施的协调。
关键词 地方立法 效益提高 路径 IMPROVE LOCAL LEGISLATION 立法效益 立法理念 立法成本 地方法规 多因素 协调 文章 途径 分析 低地
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A Study on American Language Policy
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作者 于泓珊 《海外英语》 2011年第8X期378-379,共2页
The attempt of this paper is to investigate the main characteristics of the American language policy. It is one important part of the project "A study on the Strategy of Spreading Chinese Language in United State... The attempt of this paper is to investigate the main characteristics of the American language policy. It is one important part of the project "A study on the Strategy of Spreading Chinese Language in United States of America". This paper firstly explains the concept of language policy and then introduces the two main characteristics of the American language policy. 展开更多
关键词 AMERICAN LANGUAGE POLICY LANGUAGE EDUCATION STATE LEGISLATION
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Renewable Energy Legislation in China:Politicaland Institutional Strategy for EffectiveImplementation 被引量:5
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作者 Joanna Lewis 《Chinese Journal of Population,Resources and Environment》 2004年第1期13-17,共5页
Over the past decade, the Chinese government has developed several plans regulations and policy measures related to the development of renewable energy technologies and has implemented a series of pilot projects. Chin... Over the past decade, the Chinese government has developed several plans regulations and policy measures related to the development of renewable energy technologies and has implemented a series of pilot projects. Chinese policymakers have spent several years studying how renewable energy policy models that have been used internationally could be implemented in China. Programs are currently underway to implement pilot renewable portfolio standards, or mandatory market shares (MMS) for renewable energy, in several provinces. This paper examines the primary institutions that are involved in promoting renewable policies in China, the structure of the policies that currently are being drafted, and the status of the complementary, national-level renewable energy law being drafted to provide a legal basis for ongoing local and national-level policies. It then examines the legal requirements for promoting renewable energy legislation under the Chinese law-making system. Finally, it provides recommendations 展开更多
关键词 Renewable Energy Mandatory Market Share Energy Legislation
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Review of preventive and constructive measures for coal mine explosions:An Indian perspective 被引量:3
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作者 Santosh Kumar Ray Asfar Mobin Khan +3 位作者 Niroj Kumar Mohalik Debashish Mishra Somu Mandal Jai Krishna Pandey 《International Journal of Mining Science and Technology》 SCIE EI CAS CSCD 2022年第3期471-485,共15页
Firedamp and coal dust explosion constitute a lion’s share in mine accidents in a global mining scenario.This paper reports a list of mine explosion disasters since last two decades,a critical review of the different... Firedamp and coal dust explosion constitute a lion’s share in mine accidents in a global mining scenario.This paper reports a list of mine explosion disasters since last two decades,a critical review of the different prevention and constructive measures,and its recent development to avoid firedamp and coal dust explosion.Preventive legislation in core coal-producing countries,viz.China,USA,Australia,South Africa,and India related to firedamp and coal dust explosion are critically analysed.Accidents occurred due to explosion after Nationalisation of Coal Mines(1973)in India are listed.Prevention and constructive measures adopted in India are critically analysed with respect to the global mining scenario.Measures like methane credit concept,classification of mines/seams with respect to explosion risk zone,deflagration index;installation of automatic fire warning devices,canopy air curtain technology,explosion-prevention measures,such as fire-retardant materials,inhibitors,extinguishing agent,dust suppressor,and active explosion barrier are discussed in detail to avoid explosion and thereby adhering to zero accident policy due to coal mine explosion. 展开更多
关键词 Firedamp explosion Coal dust explosion Preventive measures Constructive measures LEGISLATION
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Environmental regulatory and policy framework in China: an overview 被引量:2
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作者 ZHANG Shi qiu (Center for Environmental Sciences, Peking University, Beijing 100871, China. E mail: zhangshq@ces.pku.edu.cn) 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2001年第1期122-128,共7页
China has developed one of the most comprehensive environmental regulatory and policy framework in the world. This paper provides a description of the main institutions for environmental management in China, and overv... China has developed one of the most comprehensive environmental regulatory and policy framework in the world. This paper provides a description of the main institutions for environmental management in China, and overviews the regulatory and policy framework in place. 展开更多
关键词 Laws and legislation Public policy Regulatory compliance Societies and institutions
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Investigation on end-of-life electric and electronic equipment recycling and disposal system in China: legislation, education and dissemination 被引量:1
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作者 陈铭 《Journal of Central South University》 SCIE EI CAS 2005年第S2期148-152,共5页
The Chinese obsolete electric and electronic equipments (EEE) recycling and disposal system on the point of view of legislation, education and dissemination were discussed, because of the highly increasing volume of e... The Chinese obsolete electric and electronic equipments (EEE) recycling and disposal system on the point of view of legislation, education and dissemination were discussed, because of the highly increasing volume of electric and electronic products and that of its obsoletes today in China. The legislations and responsibilities of go- vernment, industry and consumer were discussed based on the balance of benefit and responsibility depending on the realization of their benefits in the whole life cycle of products and its status in the whole value chain. Not only the legislation and establishment of the so called “compulsory discarding system” will be a possible and effective solution to the difficulty of the obsolete collection and recycling for obsolete electric and electronic reclaiming industry, but also the education and dissemination. Education and dissemination were discussed as an important role which will emphasize the adjusting of policy and law on the development of electric and electronic industry production and its reclaiming. The education of stockholders’ environmental responsibility and the advocating of responsibility sharing should be implement for industry and consumer. Chinese EEE industry should emphasize the control of natural source, and should implement the environmental benign design in their production, such as design for dismantling, no dismantling, thermal treatment and green design. The perspectives for the way to advocate a harmonic society for Chinese people were described. 展开更多
关键词 END-OF-LIFE EEE LEGISLATION EDUCATION RECYCLING
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完善儿童权益保护之探析——以设立虐童罪为视角
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作者 潘丹丹 李舒俊 蒋巍巍 《安徽警官职业学院学报》 2014年第4期37-40,共4页
少年之于国家的重要性是不言而喻的,我们理应保证未成年人有一个健康安全的成长环境,然而近年来越来越多虐待儿童事件的爆发,引起了人们对于儿童健康成长的强烈关注。目前,我国尚未设立虐童罪,然而调查表明90%的人支持设立虐童罪。随着... 少年之于国家的重要性是不言而喻的,我们理应保证未成年人有一个健康安全的成长环境,然而近年来越来越多虐待儿童事件的爆发,引起了人们对于儿童健康成长的强烈关注。目前,我国尚未设立虐童罪,然而调查表明90%的人支持设立虐童罪。随着虐童事件的发酵,关于虐童罪的讨论成为最受关注的话题之一。鉴此,分析虐童现象及其产生的原因,通过立法增设"虐童罪",无疑是遏制虐童现象的重要举措。 展开更多
关键词 儿童权益保护 虐童 社会危害性 增设“虐童罪” LEGISLATION of “child ABUSE crime”
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The Need for a Legal Distinction of Nutraceuticals 被引量:1
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作者 Annemarie Koch Sonja Brandenburger +1 位作者 Suzanne Türpe Marc Birringer 《Food and Nutrition Sciences》 2014年第10期905-913,共9页
The nutraceutical and botanical terms are often used by the lay press or for marketing purposes to describe health beneficial food, food supplements or herbs. However, there is no common definition of nutraceuticals o... The nutraceutical and botanical terms are often used by the lay press or for marketing purposes to describe health beneficial food, food supplements or herbs. However, there is no common definition of nutraceuticals or botanicals and moreover a lack of regulation that classifies this category. Concerning their health value, it is unclear if they belong to drugs or food. Currently, they fall into a legal limbo between both. This regulatory lack can lead to misuse of claims indicating a health benefit or the misleading of the consumer. This review will focus on current definitions of nutraceutical, botanical, functional food and food supplements with special emphasis on the differences between the US and European legislation. Some special considerations will be given for Germany, one of the main markets for food supplements in Europe. 展开更多
关键词 NUTRACEUTICAL BOTANICAL Food SUPPLEMENT Definition LEGISLATION
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Incidents with Dioxins and PCBs in Food and Feed-Investigative Work, Risk Management and Economic Consequences 被引量:1
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作者 Rainer Malisch 《Journal of Environmental Protection》 2017年第6期744-785,共42页
The identification of contamination sources within the food chain with polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzo-furans (PCDFs), (“dioxins”), and PCBs is difficult and complex. PCDD/PCDF ... The identification of contamination sources within the food chain with polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzo-furans (PCDFs), (“dioxins”), and PCBs is difficult and complex. PCDD/PCDF can be formed as unintentional compounds in a number of chemical processes as well as in almost every combustion process. PCBs were intentionally produced chemicals that were manufactured for decades before the ban in marketing and use in many countries around 1985. The pattern of occurrence can change from the original source in particular via feedingstuffs to food of animal origin as result of bioaccumulation. A number of examples illustrate the challenging detective work and key scientific aspects for identification of the sources, for support of the risk management and for performance of monitoring programs. The contamination of milk and milk products in European countries with dioxins was caused by compound feeds containing citrus pulp pellets from Brazil which had high dioxin levels as a result of the use of heavily contaminated lime used for neutralization. The Belgian dioxin crisis was caused by a feed additive heavily contaminated with PCBs which were discharged into a recycled fat used in the production of animal feed. Guar gum from India was contaminated with sodium pentachlorophenate and dioxins. Clay was found to be possibly highly contaminated with dioxins possibly formed by geothermal processes over time;use of such clay as feed additive or for human intake led to elevated dioxin levels in food and humans. Bioanalytical screening in combination with comprehensive physicochemical investigations led to the detection of brominated flame retardants and brominated dioxins in a feed additive. Buffalo milk was contaminated in Italy presumably caused by illegal deposition of waste. High PCB levels in fuel oil for drying of breadcrumb used as a feed ingredient caused a major dioxin crisis with pork meat in Ireland. Fatty acids for technical purposes originating from a biodiesel company were used for production of feed fat which contaminated parts of the food chain in Germany. In addition to effects on human and animal health these incidents also have serious economic consequences which could be mitigated by more frequent control on food and feed. Addressing both these issues, the European Community has developed a strategy to reduce the presence of dioxins and PCBs in the environment and in feed and food comprising the establishment of maximum and action levels. 展开更多
关键词 PCDDs PCDFs PCBS FEED FOOD Detective WORK Congener Patterns Contamination Incidents Clay GEOPHAGY Biomonitoring Bromodioxins EU Legislation Maximum LEVELS Action LEVELS
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Brazilian Sugar in Domestic Retail: The Quality of Sugar Consumed in the State of Sao Paulo 被引量:2
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作者 Anna Flavia de Souza Silva Sandra Helena da Cruz 《Natural Science》 2016年第3期160-169,共10页
Brazil is the largest producer of sugarcane and its derivatives in the world, and one of the largest consumers of sugarcane derivatives. Sugar places a position of great prominence in Brazilian feed, either by direct ... Brazil is the largest producer of sugarcane and its derivatives in the world, and one of the largest consumers of sugarcane derivatives. Sugar places a position of great prominence in Brazilian feed, either by direct consumption or as a component of industrialized products, from increasing consumption in the country. Sugar samples taken from local market were analyzed as the quality of table sugar consumed in the state of Sao Paulo (Brazil). The analysis of the parameters and basic attributes of characterization of sugar was according to the methodology developed by ICUMSA (2005;2011) and ICUMSA modified by Copersucar (2002). Samples of sugar from this region showed that medium-low quality. It can be observed in fundamental aspects such as purity and insoluble residues, which were below the standard. In addition, it should be noted the difficulty of obtaining information about the limit values for each attribute, by virtue of Legislation not be assertive to the product and, also, the scientific studies have not been unified to present the specifics for each type of sugar. 展开更多
关键词 Table Sugar Quality Parameters Demerara Sugar Brazilian Legislation
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Commercial Laundry Water Characterisation 被引量:2
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作者 J.K.Braga M.B.A.Varesche 《American Journal of Analytical Chemistry》 2014年第1期8-16,共9页
Surfactants are the major active ingredients of laundry detergents. Therefore, special attention should be focused on the treatment and disposal of laundry wastewater. The aim of this study was to characterise the was... Surfactants are the major active ingredients of laundry detergents. Therefore, special attention should be focused on the treatment and disposal of laundry wastewater. The aim of this study was to characterise the wastewater from a commercial laundry over 30 days. Physicochemical analyses were performed, monitoring the content of nitrogen, phosphate, heavy metals, linear alkylbenzene sulphonate (LAS), volatile organic acids and alcohols. The pH was approximately 5.6 and the COD approximately 4800 mg·L-1. The average concentrations of sulphate, sulphide, N-ammoniacal organic nitrogen compounds and heavy metals were below the maximum limit, in accordance with local and national environmental legislation, and the average total suspended solids was 0.08 g·L-1. Among the metals analysed, iron was observed with the highest concentrations (0.037 mg·L-1 and 0.72 mg·L-1). Phosphate was detected in 93% of samples (94.65 mg·L-1 average). LAS was detected in all samples (12.24 mg·L-1 to 1023.7 mg·L-1). Thirty-three different xenobiotic organic compounds were identified in the laundry wastewater with the qualitative screening. The major groups of the compounds were fragrances, preservatives, solvents and some surfactants. Although the characterisation indicated low values for many parameters, this does not eliminate the need for specific treatment before its disposal at the sewage system. 展开更多
关键词 GREYWATER Linear Alkylbenzene Sulphonate LEGISLATION Xenobiotic Organic Compound Heavy Metal
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