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Toxicity is a function of solubility. Insoluble compounds as well as the metallic forms often exhibit negligible toxicity. The toxicity of any metal depends on its ligands. Heavy metal toxicity can result in damaged or reduced mental and central nervous function, lower energy levels, and damage to blood composition, lungs, kidneys, liver, and other vital organs.
Common Heavy Metal Contaminations and Its Hazard Sotheara Kong
This piece of education slide provide you a general information about 4 Common Heavy Metal Contamination and its Hazard in ground water. It consist of many information that may has advantage to the researcher especially someone who researching on removable of chemical contamination from ground water.
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For Health benefits and medicine videos Subscribe youtube channel - https://www.youtube.com/playlist?list=PLKg-H-sMh9G01zEg4YpndngXODW2bq92w
Toxicity is a function of solubility. Insoluble compounds as well as the metallic forms often exhibit negligible toxicity. The toxicity of any metal depends on its ligands. Heavy metal toxicity can result in damaged or reduced mental and central nervous function, lower energy levels, and damage to blood composition, lungs, kidneys, liver, and other vital organs.
Common Heavy Metal Contaminations and Its Hazard Sotheara Kong
This piece of education slide provide you a general information about 4 Common Heavy Metal Contamination and its Hazard in ground water. It consist of many information that may has advantage to the researcher especially someone who researching on removable of chemical contamination from ground water.
This presentation gives the description that which heavy metals are toxic for human health and how they interact with the metabolic processes and cause different diseases in human beings. There are also the threshold values given to help prevent the toxicity....
Lead is a blue-gray, heavy, soft metallic element that occurs naturally in the earth’s crust. It is a malleable metal, so it can be easily worked - you can hammer it into protective sheets or make pipes and bend them easily. It is dense, and has good shielding protection against radiation, so it is used as ballast or to shield against penetrating forms of ionizing radiation. Metallic lead is tasteless and odorless, although some of the oxides and salts of lead taste sweet. (This sweet taste of lead salts is a source of problems for children!). Lead is insoluble in water, but some of the salts do dissolve, hence lead salts can be carried long distances in water supplies. Lead fumes will be easily formed when lead is heated. Although there is not a lot of lead in the earth’s crust – lead is ubiquitous, especially in modern industry.
It is a brief presentation made on Biomagnification at different tropic levels. Accumulation of toxic materials over time shows a drastic change and leads to severe consequences. Extinction of species is one of them.
This slide deck give detail presentation on symptoms and management of Heavy metal poisoning such as lead, arsenic and mercury poisoning.
For all II video lecture series of this topic click:
https://youtube.com/playlist?list=PLBVbJ9HCa1Ba_NYBb4neDWLXrnf1ulq4Y
- For More Such Learning You Can Subscribe to My YouTube Channel.
https://www.youtube.com/channel/UC5o-WkzmDJaF7udyAP2jtgw/featured?sub_confirmation=1
Facebook Page: https://www.facebook.com/asacademylearningforever
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De uma grande atenção a sua estrutura óssea, aqui apresentamos um produto especial para uma maior conversão de sua estrutura. Queira saber mais em www.amway.com.br/jpselva50.meusite
This presentation gives the description that which heavy metals are toxic for human health and how they interact with the metabolic processes and cause different diseases in human beings. There are also the threshold values given to help prevent the toxicity....
Lead is a blue-gray, heavy, soft metallic element that occurs naturally in the earth’s crust. It is a malleable metal, so it can be easily worked - you can hammer it into protective sheets or make pipes and bend them easily. It is dense, and has good shielding protection against radiation, so it is used as ballast or to shield against penetrating forms of ionizing radiation. Metallic lead is tasteless and odorless, although some of the oxides and salts of lead taste sweet. (This sweet taste of lead salts is a source of problems for children!). Lead is insoluble in water, but some of the salts do dissolve, hence lead salts can be carried long distances in water supplies. Lead fumes will be easily formed when lead is heated. Although there is not a lot of lead in the earth’s crust – lead is ubiquitous, especially in modern industry.
It is a brief presentation made on Biomagnification at different tropic levels. Accumulation of toxic materials over time shows a drastic change and leads to severe consequences. Extinction of species is one of them.
This slide deck give detail presentation on symptoms and management of Heavy metal poisoning such as lead, arsenic and mercury poisoning.
For all II video lecture series of this topic click:
https://youtube.com/playlist?list=PLBVbJ9HCa1Ba_NYBb4neDWLXrnf1ulq4Y
- For More Such Learning You Can Subscribe to My YouTube Channel.
https://www.youtube.com/channel/UC5o-WkzmDJaF7udyAP2jtgw/featured?sub_confirmation=1
Facebook Page: https://www.facebook.com/asacademylearningforever
Website Blog: https://itasacademy.blogspot.com/
De uma grande atenção a sua estrutura óssea, aqui apresentamos um produto especial para uma maior conversão de sua estrutura. Queira saber mais em www.amway.com.br/jpselva50.meusite
heavy metal toxicity and effect on the environment as well as on the humanShahZain73
Heavy metal toxicity refers to the harmful effects that can occur when the body accumulates high levels of certain metals. Heavy metals such as lead, mercury, arsenic, cadmium, and others can be toxic even at low concentrations. These metals can enter the body through various sources like contaminated water, food, air, or exposure in certain occupations.
When these metals build up in the body over time, they can cause serious health issues. Symptoms of heavy metal toxicity can vary depending on the type of metal and the level of exposure but may include fatigue, headaches, nausea, neurological problems, organ damage, and in severe cases, even death.
Treatment for heavy metal toxicity usually involves removing the source of exposure, chelation therapy to remove metals from the body, and supportive care to manage symptoms. It's essential to be aware of potential sources of heavy metals and take precautions to minimize exposure to protect your health.
I mentioned the most common toxic material in this lecture"lead, iron, mercury, Arsenic" and I put CO in it.
so i hope it will be helpful for any one want to use it :D
A molecule not consisting of carbon atoms.
Any molecule that is not considered organic, or not of biological origin.
Inorganics include salts, metals, substances made from single elements and any other compounds that don't contain carbon bonded to hydrogen.
table salt or sodium chloride, NaCl.
carbon dioxide, CO2.
Humans are exposed to these metals by ingestion (drinking or eating) or inhalation (breathing).
Working in or living near an industrial site which utilizes these metals and their compounds increases ones risk of exposure.
The above presentation describes the history,source,danger and effects,classification, and storage and disposal methods of radioactive waste. It also states the advantages and disadvantages of nuclear and radioactive waste
Presentation on Environmental Pollution. It contains 41 slides. The contents are:
Definition of Pollution
Types of Pollution
Air Pollution
Water Pollution
Noise Pollution
Nuclear Pollution
Soil Pollution
Role of an Individual to prevent pollution
Conclusion
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
Synthetic Fiber Construction in lab .pptxPavel ( NSTU)
Synthetic fiber production is a fascinating and complex field that blends chemistry, engineering, and environmental science. By understanding these aspects, students can gain a comprehensive view of synthetic fiber production, its impact on society and the environment, and the potential for future innovations. Synthetic fibers play a crucial role in modern society, impacting various aspects of daily life, industry, and the environment. ynthetic fibers are integral to modern life, offering a range of benefits from cost-effectiveness and versatility to innovative applications and performance characteristics. While they pose environmental challenges, ongoing research and development aim to create more sustainable and eco-friendly alternatives. Understanding the importance of synthetic fibers helps in appreciating their role in the economy, industry, and daily life, while also emphasizing the need for sustainable practices and innovation.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Francesca Gottschalk - How can education support child empowerment.pptxEduSkills OECD
Francesca Gottschalk from the OECD’s Centre for Educational Research and Innovation presents at the Ask an Expert Webinar: How can education support child empowerment?
1. “The consequence of overusing
the elements that shouldn’t have
been touched by man”
2. • All of the elements know to man have their own
properties and uses
• Some are used in our daily lives, some are used for
industry while others are used for the military programs
• Common people usually ignore and don’t notice how the
things they used could affect their lives. Some don’t even
know that the things they are eating are toxic.
• Our knowledge of the elements has opened us to a world
of technology and progress but in all those discoveries,
some consequences have arose.
3. • All of the elements has their useful and harmful uses to
us humans and to the environment given the chance
• The range of damage that an element can bring will
depend on its toxicity, reactivity, and many more chemical
elements
• Element can bring forth damage to the environment by
natural causes but nature as they say will heal istelf no
matter what damage was done
• Apparently, it goes different when the damage was
caused by humans and how we misuse and improperly
dispose of them
4. • Most of the higly dangerous metals come from the Heavy
Metals or Transition metals
• Here are some example of elements that can destroy and
endanger our health and environment through their
properties of being corrosive, toxic or very reactive. But
the pollution they cause is aided by our carelessness:
• Lead
• Mercury
• Plutonium
• Cadmium
• Chromium
5. • Lead is a bright and silvery metal with a very slight shade
of blue in a dry atmosphere
• It is an element with high density, softness, ductility, poor
electrical conductivity and high resistance to corrosion
• It is used in many products all throughout the industry
6. • Uses
• Lead is commonly used in making paint, oxide in glass,
ceramics, gasoline ingredient, car batteries and casting
metals
7. • It is the introduction of lead to the atmosphere where it
affects the environment
• It is caused mostly by cars from the past, lead smelters,
metal processing plants and incinerators
• The cause of its spread was that no one knew years ago
that lead was dangerous and it was used in mass
productions for its cheap manufactory cost
8. • Effect is causes on Human and Animal health:
• Lead poisoning is acquired from polluted air, lead contaminated
water or soil and products contaminated with lead
• Upon ingestions or contact, Lead is known to damage the inner
organs of the body, affecting the nervous system
• In some casesm the effects of lead poisoning appear after a long
span of time which results in osteoporosis and reproductive
disorders like mutation or birth defects on offspring
• With the right amount of energy, Lead can kill a person after it is
absorbed into the body
9. • Known sometimes as quicksilver, Mercury is the only
known metal to be in liquid state at ordinary temperature
and pressure
• It is a poor conductor of heat but fair conductor of
electricity
• It appears as a silvery-white metal in liquid form
10. • Uses
• used in barometers and manometers for its high density
• It is also used widely in thermometer bulbs but less in light bulbd
• It is also used ease in amalgamating with gold is used in the
recovery of gold from its ores
• Industry uses mercury metal as a liquid electrode in the
manufacture of chlorine and sodium hydroxide by electrolysis of
brine
11. • It enters the environment as a result of normal
breakdown of minerals in rocks and soil through
exposure to wind and water and ends up in the soil or
water surface
• Once mercury has reached surface waters or soils
microorganisms can have nerve damage
• Upon exposure, Mercury will affects the immune system,
alters genetic and enzyme systems, and damages the
nervous system, including coordination and the senses of
touch, taste, and sight
***Note: A spill of just three tablespoons of mercury will require a hazardous
waste response team***
12. • Mercury can be ingested through air exposure, drinking
contaminated water or contaminated food, mostly fish
• Upon ingestion, a normal person will experience this
symptoms
- Disruption of the nervous system
- Damage to brain functions
- DNA damage and chromosomal damage
- Allergic reactions, resulting in skin rashes, tiredness and
headaches
- Negative reproductive effects, such as sperm damage, birth
defects and miscarriages
- nerve, brain and kidney damage
-lung irritation
• -eye irritation
• -skin rashes
• -vomiting and diarrhea.
13. • It is a transuranic radioactive element
• It is also known to be the heaviest primordial element
• This element is a mostly a byproduct of nuclear fissions
14. • It is commonly used in nuclear facilities
• Also used in making radiological weapons
Consequences and danger:
• Plutonium may enter the environment from releases of
nuclear reactors, weapons production plants, and
research facilities
• It is described as the most toxic substance to man for the
“alpha radiation” it emits can irradiate internal organs
when plutonium is inhaled or ingested
15. • Heath effects:
• Once breathed in, it wmay remain inside the lungs or move to the
other organs or bones
• Plutonium will stay inside the body for a long time and will continue
to expose body tissues to radiation
• Extremely small particles of plutonium on the order of micrograms
can cause lung cancer if inhaled into the lungs
• Larger amounts of Plutonium may cause acute radiation poisoning
• It can also cause reproductive failure
16. • Cadmium is a lustrous, silver-white, ductile, very malleable
metal. Its surface has a bluish tinge and the metal is soft
enough to be cut with a knife, but it tarnishes in air.
• It is soluble in acids but not in alkalis. It is similar in many
aspects to zinc
• Cadmium also consists in the industries as an
inevitable by-product of zinc, lead and
copper extraction
• It is exposed and distributed mostly on the
ground for it is used mostly in pesticides and manure
17. • Health and Environmental Effects:
• Upon being breathed in, Cadmium can severely damage the lungs
and can lead to death
• It can also travel throughout the body causing damge especially to
thje kidneys resulting into Cadmium Poisoning
• Other effects are diarrhea, brain and nerve damage, and
reproductive failure
• In the environment, Cadmium can cause damage when animals
ingest it ranging from earthworms absorbing it in the soil and
microorganism absorbing it in the water
18. • It is a lustrous, brittle, hard metal
• Chromium is unstable in oxygen, it immediately produces
a thin oxide layer that is impermeable to oxygen and
protects the metal below.