Air pollution
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The document discusses air pollution in major Colombian cities like Bogota, Medellin, and Cali. It outlines primary and secondary pollutants, sources of air pollution like industries, vehicles, and natural phenomena, and health impacts such as acid rain and respiratory issues. It concludes with recommendations to monitor air quality, use renewable energy, regulate companies, promote efficient transportation, and adopt sustainable habits to reduce air pollution.
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There are 3 main ways to dispose of polymers: landfills, incineration, and recycling. Landfills use up valuable land and can pollute soil and water sources with chemicals leaching from waste. Incineration releases greenhouse gases and toxic fumes unless done at high temperatures. While it generates heat, modern methods can capture this energy. Recycling saves resources but separation of different polymers can be difficult and expensive. Overall, recycling is preferred but proper incineration that captures energy or biodegradable polymers in modern landfills are also options.
Technology and sosiety
This document discusses the relationship between technology, society, and the environment. It covers several topics including different types of pollution and their causes/effects, depletion of resources, and environmental policies. Air, water, and land pollution are examined in depth, along with municipal solid waste and alternative energy sources like biofuels. The need for sustainable development policies to protect the environment for future generations is also addressed.
Air Pollution by DIVYANSHU
Air pollution is defined as the contamination of air due to harmful or damaging substances in the atmosphere. There are many sources of air pollutants including gases, particulates, and biological molecules from both human activities like burning fossil fuels as well as natural phenomena. Air pollution can cause respiratory diseases and death in humans as well as damage crops, climate change, and harm the natural and built environments. Some ways to reduce air pollution are promoting public transport, using cleaner fuels, planting more trees, and individual actions like using electric vehicles and recycling.
Ppt presentation on air pollution
The document discusses air pollution issues in Delhi, India and provides comparisons to air quality in Burma and Finland. It notes that Delhi has very high levels of particulate matter pollution due to vehicle emissions, waste burning, construction, and industry. In contrast, Finland has the cleanest air in the world due to low population density, thick forest cover comprising 73% of its land, and government initiatives promoting renewable energy and protecting the environment. While Burma also suffers from air pollution problems related to transportation, waste burning and solid fuel use for cooking, its forest cover helps absorb pollutants but industry and agriculture also contribute to the country's air quality issues.
Air pollution presentation
This document discusses air pollution, its causes, effects, and ways to reduce it. It defines air pollution as gases, dust, fumes or odors introduced into the atmosphere that harm humans, animals and plants. Major sources of air pollution are emissions from industries, vehicles burning fossil fuels, and household chemicals. Air pollution can acidify rain and harm aquatic life, and particulate matter causes respiratory and cardiovascular issues. Both government policies and individual actions, like using less energy and driving less, can help reduce air pollution.
Carbon Footprint
Showing how Our Earth is moving towards the extinction, what is carbon foot print?, how can we contribute to reduce them at individual and global level and finally hoping for a safe and bright future.
Air pollution.
This document discusses various topics related to air pollution including what causes it, types of pollutants, major pollutants from both natural and man-made sources, effects of air pollution on health and the environment, levels of air pollution in India and Kerala, and ways to conserve air quality such as reducing vehicle and factory emissions, increasing afforestation, and using cleaner energy sources.
Presentation on Pollution
Primary pollutants are directly emitted from sources like sulfur dioxide from factories. Secondary pollutants are formed by interactions between primary pollutants, like smog. Burning fossil fuels for energy and transportation emits sulfur dioxide and other pollutants. Agricultural activities release ammonia and chemicals from pesticides and fertilizers. Factories and industries discharge carbon monoxide, hydrocarbons, and other chemicals. Mining operations release dust and chemicals into the air. Indoor air can also be polluted by household products. Public transportation, energy conservation, clean energy, and efficient devices can help reduce air pollution.
Nr m2
The document discusses air pollution and the importance of air quality. It covers the following key points:
1. The atmosphere is made up of layers including the troposphere near the surface and stratosphere highest up, with an ozone layer in between that absorbs harmful UV rays. Greenhouse gases like carbon dioxide, methane, and nitrous oxide store heat and cause natural atmospheric warming.
2. Carbon, nitrogen, and sulfur cycles circulate these elements between air, water, soil, and organisms, but human activities can degrade air quality by altering these natural cycles.
3. Both indoor and outdoor air pollution negatively impact human health and ecosystems. The major causes include burning of fossil fuels and other industrial activities
Waste Management Methods.pptx
The document discusses various aspects of waste management. It defines waste management as all activities related to managing waste from generation to disposal. This includes collection, transportation, treatment, and disposal of waste along with monitoring and regulation. It discusses the concepts of reduce, reuse and recycle in modern waste management approaches. Various methods of waste disposal like landfills and incineration are also explained along with their advantages and disadvantages. Environmental and economic impacts of waste as well as steps individuals can take to reduce waste are highlighted.
The air pollution
Air pollution is caused by the accumulation of toxic gases in the atmosphere from sources like the burning of fossil fuels, industrial emissions, burning of rubbish, and deforestation. Effects of air pollution include acid rain, injuries to skin and lungs, smog, melting poles, increased temperatures, and rising sea levels. To reduce air pollution, individuals should conserve energy, use public transportation, and reduce plastic use. Companies can take actions like installing filters, using renewable energy, and eco-friendly materials. Governments should pass stricter laws, enforce recycling, and require industries to use environmentally friendly practices.
Air pollution final
Pollution is the effect of undesirable changes in the environment that harm plants, animals, and humans. There are many types of pollution including air, water, soil, noise, and thermal nuclear pollution. Humans are the main cause of pollution through industry, transportation, and other activities that release harmful gases, chemicals, and waste products into the air, water, and land. Pollution has detrimental health effects and impacts the environment and climate. Various strategies can be taken to reduce pollution and improve air quality.
Solid waste management
This document discusses various topics related to solid waste management including definitions of municipal solid waste and hazardous waste. It describes the characteristics and sources of solid waste and different methods of waste treatment including the 3R's approach of reduce, reuse and recycle. Specific case studies on solid waste management challenges for the Yamuna River in Delhi and the Chernobyl nuclear disaster are also summarized.
Solid waste management
Solid waste management involves the collection, transport, processing, and disposal of solid waste in a manner that is safe for human health and the environment. There are three main types of solid waste - urban or municipal waste, industrial waste, and hazardous waste. Urban waste comes from domestic, commercial, and construction sources and is categorized as biodegradable or non-biodegradable. The key steps in solid waste management involve reducing, reusing, and recycling waste before using disposal methods like sanitary landfilling, incineration, or composting. Hazardous waste requires special treatment and disposal due to its potential threat to human health.
Social science homework
Household sewage and detergents can pollute water sources if not properly treated, as they release chemicals like ammonia and organic acids that harm living organisms. Vehicle and industrial exhausts as well as smoke release gases into the air that cause pollution, with automobile and plane exhaust containing petroleum gases and smoke containing carbon dioxide and water vapor. Biological pollutants such as pollen, bacteria, and fungal spores can also cause allergic diseases. The document provides tips for reducing pollution like using public transportation, saving water and energy, and planting trees.
Waste management
Waste management involves the collection, transport, treatment, and disposal of waste, as well as monitoring and regulation. It also includes the legal framework around guidance for recycling. Modern concepts of waste management focus on reducing, reusing, and recycling waste over disposal. Improper waste management can lead to environmental contamination of air, soil, surface water and groundwater. It can also negatively impact public health and the economy. However, proper waste management through recycling saves resources, prevents pollution, and creates jobs and economic opportunities.
New Waste management
This certificate certifies that Vivek Jain completed a school project on "Waste Management" in the 2016-17 year. The principal confirms that the project was Vivek's original work completed with guidance. Vivek thanks his school for the opportunity to present. The document then outlines different types of waste, effects of waste, and methods for waste disposal and recycling. It concludes by discussing the need for improved waste management policies in India.
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在线办理(salfor毕业证书)索尔福德大学毕业证毕业完成信一模一样
学校原件一模一样【微信：741003700 】《(salfor毕业证书)索尔福德大学毕业证》【微信：741003700 】学位证，留信认证（真实可查，永久存档）原件一模一样纸张工艺/offer、雅思、外壳等材料/诚信可靠,可直接看成品样本，帮您解决无法毕业带来的各种难题！外壳，原版制作，诚信可靠，可直接看成品样本。行业标杆！精益求精，诚心合作，真诚制作！多年品质 ,按需精细制作，24小时接单,全套进口原装设备。十五年致力于帮助留学生解决难题，包您满意。
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留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
Immersive Learning That Works: Research Grounding and Paths Forward
We will metaverse into the essence of immersive learning, into its three dimensions and conceptual models. This approach encompasses elements from teaching methodologies to social involvement, through organizational concerns and technologies. Challenging the perception of learning as knowledge transfer, we introduce a 'Uses, Practices & Strategies' model operationalized by the 'Immersive Learning Brain' and ‘Immersion Cube’ frameworks. This approach offers a comprehensive guide through the intricacies of immersive educational experiences and spotlighting research frontiers, along the immersion dimensions of system, narrative, and agency. Our discourse extends to stakeholders beyond the academic sphere, addressing the interests of technologists, instructional designers, and policymakers. We span various contexts, from formal education to organizational transformation to the new horizon of an AI-pervasive society. This keynote aims to unite the iLRN community in a collaborative journey towards a future where immersive learning research and practice coalesce, paving the way for innovative educational research and practice landscapes.
The cost of acquiring information by natural selection
This is a short talk that I gave at the Banff International Research Station workshop on Modeling and Theory in Population Biology. The idea is to try to understand how the burden of natural selection relates to the amount of information that selection puts into the genome.
It's based on the first part of this research paper:
The cost of information acquisition by natural selection
Ryan Seamus McGee, Olivia Kosterlitz, Artem Kaznatcheev, Benjamin Kerr, Carl T. Bergstrom
bioRxiv 2022.07.02.498577; doi: https://doi.org/10.1101/2022.07.02.498577
Farming systems analysis: what have we learnt?.pptx
Presentation given at the official farewell of Prof Ken Gillet at Wageningen on 13 June 2024
Gadgets for management of stored product pests_Dr.UPR.pdf
Insectsplayamajorroleinthedeteriorationoffoodgrainscausingbothquantitativeandqualitativelosses
Wellprovedthatnogranariescanbefilledwithgrainswithoutinsectsastheharvestedproducecontainegg(or)larvae(or)pupae(or)adultinsectinthembecauseoffieldcarryoverinfestationwhichcannotbeavoidedindevelopingcountrieslikeIndia
Simpletechnologiesfortimelydetectionofinsectsinthestoredproduceandtherebyplantimelycontrolmeasures
11.1 Role of physical biological in deterioration of grains.pdf
Storagedeteriorationisanyformoflossinquantityandqualityofbio-materials.
Themajorcausesofdeteriorationinstorage
•Physical
•Biological
•Mechanical
•Chemical
Storageonlypreservesquality.Itneverimprovesquality.
Itisadvisabletostartstoragewithqualityfoodproduct.Productwithinitialpoorqualityquicklydepreciates
Authoring a personal GPT for your research and practice: How we created the Q...
Thematic analysis in qualitative research is a time-consuming and systematic task, typically done using teams. Team members must ground their activities on common understandings of the major concepts underlying the thematic analysis, and define criteria for its development. However, conceptual misunderstandings, equivocations, and lack of adherence to criteria are challenges to the quality and speed of this process. Given the distributed and uncertain nature of this process, we wondered if the tasks in thematic analysis could be supported by readily available artificial intelligence chatbots. Our early efforts point to potential benefits: not just saving time in the coding process but better adherence to criteria and grounding, by increasing triangulation between humans and artificial intelligence. This tutorial will provide a description and demonstration of the process we followed, as two academic researchers, to develop a custom ChatGPT to assist with qualitative coding in the thematic data analysis process of immersive learning accounts in a survey of the academic literature: QUAL-E Immersive Learning Thematic Analysis Helper. In the hands-on time, participants will try out QUAL-E and develop their ideas for their own qualitative coding ChatGPT. Participants that have the paid ChatGPT Plus subscription can create a draft of their assistants. The organizers will provide course materials and slide deck that participants will be able to utilize to continue development of their custom GPT. The paid subscription to ChatGPT Plus is not required to participate in this workshop, just for trying out personal GPTs during it.
The debris of the ‘last major merger’ is dynamically young
The Milky Way’s (MW) inner stellar halo contains an [Fe/H]-rich component with highly eccentric orbits, often referred to as the
‘last major merger.’ Hypotheses for the origin of this component include Gaia-Sausage/Enceladus (GSE), where the progenitor
collided with the MW proto-disc 8–11 Gyr ago, and the Virgo Radial Merger (VRM), where the progenitor collided with the
MW disc within the last 3 Gyr. These two scenarios make different predictions about observable structure in local phase space,
because the morphology of debris depends on how long it has had to phase mix. The recently identified phase-space folds in Gaia
DR3 have positive caustic velocities, making them fundamentally different than the phase-mixed chevrons found in simulations
at late times. Roughly 20 per cent of the stars in the prograde local stellar halo are associated with the observed caustics. Based
on a simple phase-mixing model, the observed number of caustics are consistent with a merger that occurred 1–2 Gyr ago.
We also compare the observed phase-space distribution to FIRE-2 Latte simulations of GSE-like mergers, using a quantitative
measurement of phase mixing (2D causticality). The observed local phase-space distribution best matches the simulated data
1–2 Gyr after collision, and certainly not later than 3 Gyr. This is further evidence that the progenitor of the ‘last major merger’
did not collide with the MW proto-disc at early times, as is thought for the GSE, but instead collided with the MW disc within
the last few Gyr, consistent with the body of work surrounding the VRM.
Describing and Interpreting an Immersive Learning Case with the Immersion Cub...
Current descriptions of immersive learning cases are often difficult or impossible to compare. This is due to a myriad of different options on what details to include, which aspects are relevant, and on the descriptive approaches employed. Also, these aspects often combine very specific details with more general guidelines or indicate intents and rationales without clarifying their implementation. In this paper we provide a method to describe immersive learning cases that is structured to enable comparisons, yet flexible enough to allow researchers and practitioners to decide which aspects to include. This method leverages a taxonomy that classifies educational aspects at three levels (uses, practices, and strategies) and then utilizes two frameworks, the Immersive Learning Brain and the Immersion Cube, to enable a structured description and interpretation of immersive learning cases. The method is then demonstrated on a published immersive learning case on training for wind turbine maintenance using virtual reality. Applying the method results in a structured artifact, the Immersive Learning Case Sheet, that tags the case with its proximal uses, practices, and strategies, and refines the free text case description to ensure that matching details are included. This contribution is thus a case description method in support of future comparative research of immersive learning cases. We then discuss how the resulting description and interpretation can be leveraged to change immersion learning cases, by enriching them (considering low-effort changes or additions) or innovating (exploring more challenging avenues of transformation). The method holds significant promise to support better-grounded research in immersive learning.
The binding of cosmological structures by massless topological defects
Assuming spherical symmetry and weak field, it is shown that if one solves the Poisson equation or the Einstein field
equations sourced by a topological defect, i.e. a singularity of a very specific form, the result is a localized gravitational
field capable of driving flat rotation (i.e. Keplerian circular orbits at a constant speed for all radii) of test masses on a thin
spherical shell without any underlying mass. Moreover, a large-scale structure which exploits this solution by assembling
concentrically a number of such topological defects can establish a flat stellar or galactic rotation curve, and can also deflect
light in the same manner as an equipotential (isothermal) sphere. Thus, the need for dark matter or modified gravity theory is
mitigated, at least in part.
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Ozturkcan, S., Berndt, A., & Angelakis, A. (2024). Mending clothing to support sustainable fashion. Presented at the 31st Annual Conference by the Consortium for International Marketing Research (CIMaR), 10-13 Jun 2024, University of Gävle, Sweden.
Randomised Optimisation Algorithms in DAPHNE
Slides from talk:
Aleš Zamuda: Randomised Optimisation Algorithms in DAPHNE .
Austrian-Slovenian HPC Meeting 2024 – ASHPC24, Seeblickhotel Grundlsee in Austria, 10–13 June 2024
https://ashpc.eu/
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Isolation of pure culture, its various method.
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EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Basics of crystallography, crystal systems, classes and different forms
Basics of crystallography, crystal systems, classes and different forms
Immersive Learning That Works: Research Grounding and Paths Forward
Immersive Learning That Works: Research Grounding and Paths Forward
The cost of acquiring information by natural selection
The cost of acquiring information by natural selection
Farming systems analysis: what have we learnt?.pptx
Farming systems analysis: what have we learnt?.pptx
Gadgets for management of stored product pests_Dr.UPR.pdf
Gadgets for management of stored product pests_Dr.UPR.pdf
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11.1 Role of physical biological in deterioration of grains.pdf
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Authoring a personal GPT for your research and practice: How we created the Q...
The debris of the ‘last major merger’ is dynamically young
The debris of the ‘last major merger’ is dynamically young
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Describing and Interpreting an Immersive Learning Case with the Immersion Cub...
The binding of cosmological structures by massless topological defects
The binding of cosmological structures by massless topological defects
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
Mending Clothing to Support Sustainable Fashion_CIMaR 2024.pdf
8.Isolation of pure cultures and preservation of cultures.pdf
8.Isolation of pure cultures and preservation of cultures.pdf
Air pollution
- 1. by: Daniel Felipe Gutiérrez, Juan Diego Lemus, Nelson Rico *
- 3. *
- 4. *
- 5. Types of pollutants Primary pollutants Are pure gases ej: carbon monixide Secondary pollutants Are mix gases ej: SMOG
- 6. *
- 7. *Forest fires *Volcanic eruptions *Wind erosion *Pollen dispersal *Evaporation of organic compounds *Emissions from industries and manufacturing activities. *Burning fossil fuels *Household and farming chemicals
- 8. *
- 9. *
- 11. * Acidification : The formation of the acid rain. * Eutrophication: Rain can carry and deposit N in pollutants on rivers and soils. * Ground-level ozone: Chemical reactions involving air pollutants create a poisonous gas ozone. * Particulate matter: Air pollutants can be in the form of particulate matter which can be very harmful to our health.
- 12. *
- 13. *In many big cities, monitoring equipment have been installed at many points. *Introduce the Green energy. *Controll the activities of the companies. * Create of the energy efficient cars. * Encourage your family to use the bus, bike or walk. * Use energy (light, water, boiler, kettle and fire woods) wisely. * Recycle and re-use things.