Keerthi
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This document outlines the principles of green chemistry. It begins with an introduction stating that green chemistry aims to safeguard the environment by preventing pollution at its source and eliminating hazardous substances. It then lists 12 principles proposed by Paul Anastas and John Warner, including preventing waste generation, designing safer chemicals and products, and using safer solvents and reaction conditions. Examples provided of green chemistry innovations include the use of carbon dioxide as a blowing agent for polystyrene foam and the production of polylactic acid polymers and carpet tiles. In closing, it acknowledges the support of Vijayam Degree College faculty.
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If you found this helpful please click the like button. and share it :)
Drop your mail at: sominldh@gmail.com
Full PPT https://youtu.be/MlzHDEZlaRo
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This document discusses the effects of perfumes and fragrances. It notes that perfumes can contain up to 600 chemical ingredients, but less than 20% have been tested for toxicity. The fragrances can cause health effects on the skin, lungs, and brain, and can trigger asthma attacks in many people. The chemicals are absorbed through the skin, nose, and mouth and transported throughout the body, potentially causing symptoms like headaches, sneezing, and difficulty concentrating. The best way to avoid negative effects is to avoid using fragrances.
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Jemison, MacLaughlin, and Majumder "Broadening Pathways for Editors and Authors"
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إضغ بين إيديكم من أقوى الملازم التي صممتها
ملزمة تشريح الجهاز الهيكلي (نظري 3)
💀💀💀💀💀💀💀💀💀💀
تتميز هذهِ الملزمة بعِدة مُميزات :
1- مُترجمة ترجمة تُناسب جميع المستويات
2- تحتوي على 78 رسم توضيحي لكل كلمة موجودة بالملزمة (لكل كلمة !!!!)
#فهم_ماكو_درخ
3- دقة الكتابة والصور عالية جداً جداً جداً
4- هُنالك بعض المعلومات تم توضيحها بشكل تفصيلي جداً (تُعتبر لدى الطالب أو الطالبة بإنها معلومات مُبهمة ومع ذلك تم توضيح هذهِ المعلومات المُبهمة بشكل تفصيلي جداً
5- الملزمة تشرح نفسها ب نفسها بس تكلك تعال اقراني
6- تحتوي الملزمة في اول سلايد على خارطة تتضمن جميع تفرُعات معلومات الجهاز الهيكلي المذكورة في هذهِ الملزمة
واخيراً هذهِ الملزمة حلالٌ عليكم وإتمنى منكم إن تدعولي بالخير والصحة والعافية فقط
كل التوفيق زملائي وزميلاتي ، زميلكم محمد الذهبي 💊💊
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Wound healing PPT
This document provides an overview of wound healing, its functions, stages, mechanisms, factors affecting it, and complications.
A wound is a break in the integrity of the skin or tissues, which may be associated with disruption of the structure and function.
Healing is the body’s response to injury in an attempt to restore normal structure and functions.
Healing can occur in two ways: Regeneration and Repair
There are 4 phases of wound healing: hemostasis, inflammation, proliferation, and remodeling. This document also describes the mechanism of wound healing. Factors that affect healing include infection, uncontrolled diabetes, poor nutrition, age, anemia, the presence of foreign bodies, etc.
Complications of wound healing like infection, hyperpigmentation of scar, contractures, and keloid formation.
Chapter wise All Notes of First year Basic Civil Engineering.pptx
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
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Practical manual for National Examination Council, Nigeria.
Contains guides on answering questions on the specimens provided
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Keerthi
- 3. OUT LINES IN GREEN CHEMISRTRY GREEN CHENISTRY 1.INTRODUCTION 2.HISTORY 3.ADVANTAGES 4.PRINCIPLES 5.INNOVATION IN GREENCHEMISTRY 6.WHAT CAN GREEN CHEMISTRY DO. ??? 7.SELECTIONOF SOLVENT REACTIONS IN GREEN CHEMISTRY 8. EXAMPLES FOR GREEN CHEMISTRY
- 4. 1.INTRODUCTION:- Safe guard the earth Paulanastas is one of the first person involved in green chemistry Green chemistry prevent pollution at the source Green chemistry eleminate the hazardous substances
- 5. 2.History
- 6. * Safer,more ResponsibleTo Use * Prevention of pollution,elimination of toxins no harmful * *VOLATILE ORGANIC COMPOUND 3.Advantages:-
- 7. > PAULANASTAS & JOHNWARNER PROPOSED 12 PRINCIPLES:- 1. PREVENT WASTE:- 4.PRINCIPLES:-
- 8. CHEMICALS & PRODUCTS 2.DESIGN SAFER CHEMICALS & PRODUCTS
- 10. 4. USE RENEWABLE FEEDSTOCKS
- 11. 5.USE CATALYSIS, NOT STOICHIOMETRIC REAGENTS
- 12. 6. AVOID CHEMICAL DERIVATIVEES
- 14. 8. USE SAFER SOLVENTS & REACTION CONDITIONS
- 16. 10.DESIGN CHEMICALS & PRODUCTSTO DEGRADE AFTER USE
- 17. 11. ANALYSE IN REALTIMETO PREVENT POLLUTION
- 18. 12.MINIMIZETHE POTENTIAL FOR ACCIDENTS
- 19. -> 100% carbondioxide blowing agent for polystyrenefoam production -> Polylacticacid polymerisation products -> Carpet tile manufacture -> Inter esterfication of Oils & Fats 5.INNOVATION IN GREEN CHEMISTRY
- 20. 6.WHAT CAN GREEN CHEMISTRY DO..????
- 21. AQUEOUS PHASE REACTION:- EX:- NAILPOLISH, COSMETICS 1. 2. 7.SELECTION OF SOLVENT PHASE REACTION S IN GREEN CHEMISTRY
- 22. Reations in ionic liquids EX:- 1-BUTYL-3 METHYLIMIDAZOLIUM CHLOROALUMINATE
- 23. EXAMPLES FOR GREEN CHEMISTRY 1. . 2.
- 24. ACKNOWLEDGMENT:- I WOULD LIKE THANK TO OUR VIJAYAM DEGREE COLLEGE FOR GIVING THIS OPPORTUNITY IN FRONT OF YOU AND OUR FACULTY PRASAD SIR ,NALNI MAM & MY BROTHER’S !!!!!!!!!!!!!!!!!!!!!
- 25. •CREATED BY PRINCEHARI & KINGSAI