(A-30) Pawan Panjwani (A-34) INTRODUCTION • Biogas is an important renewable energy resource for rural areas in India. • It is produced by anaerobic digestion of biological wastes. • It is an environment friendly‚ clean‚ cheap and versatile fuel. • Biogas generally comprise of 55-65 % methane‚ 35-45 % carbon dioxide‚ 0.5-1.0 % hydrogen sulfide and traces of water vapour. • Biogas like Liquefied Petroleum Gas (LPG) cannot be liquefied under normal temperature and pressure. BIOGAS TECHNOLOGY
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BIOFERTILIZER: The pathophysiology of the Tuberculin reaction is explained thus: M. Tuberculi are engulfed by macrophages after being identified as foreign‚ but due to a self- preserving mechanism peculiar to TB it is able to block the fusion of the phagosome within which it is existing with the lysosome which would destroy it. So it can continue existing and replicating within the immune cell designed to destroy it. After several weeks‚ the immune system somehow [ mechanism as yet unexplained]
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Bio Diversity: A Major Concern of Our Eco System The variety of life on Earth‚ its biological diversity is commonly referred to as biodiversity. The number of species of plants‚ animals‚ and microorganisms‚ the enormous diversity of genes in these species‚ the different ecosystems on the planet‚ such as deserts‚ rainforests and coral reefs are all part of a biologically diverse Earth. Appropriate conservation and sustainable development strategies attempt to recognize this as being integral to any
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Daphny Maldonado Bio Lab 2107 Kiah Britton W 10-12:30 Is H20 Bad for You? Abstract: In the village of Gopher Hollow there’s a cluster of Blue Baby Syndrome. There were four infants affected by this cluster. The families from the infants would collect their water from wells. We have to determine what’s the source of the high levels of nitrites in the water. The four sources that could be the point of contamination are a new subdivision‚ textile plant‚ an organic farm‚ and a mountain lake
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Bio 104-03 Lab #3- Acids Bases‚ and Buffers 1. An acid is a substance that releases hydrogen ions as they desolve in water and ranks lower than seven on the pH scale. An example of an acidic substance is lemon juice. A base is a substance that accepts hydrogen ions and ranks higher than seven on the pH scale. An example of a base substance is hand soap. A neutral substance ranks a seven on the pH scale and has equal concentrations of H+ and OH-. An example of this is pure water. Electrolytes
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Bio Review: Unit 1 Diversity of Living Things Diversity- all the different kinds of life on Earth Species Diversity- variety of species‚ abundance of the species in a given area Genetic Diversity- variation of genes within a species Ecosystem Diversity- diverse range of habitats‚ various organisms within habitats & relationships between them Prokaryotes Eukaryote Appearance Size - Always smaller - 1000x larger DNA structure - Plasmid (one strand circular DNA) - Dna in nucleoid
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ETHANOL (E85): Types of fuels are ethanol‚ natural gas‚ diesel and hydrogen. Ethanol is simply grain alcohol obtained from corn. The corn is ground to powder form and mixed into a mash that is distilled to obtain ethanol which is a flammable liquid and then used as fuel. The ethanol could be mixed with gasoline blend in order to obtain reduced cost. In addition‚ the emission of Co2 would be reduced‚ but not completely eradicated because of its content of 90 percent gasoline and 10 percent ethanol
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selection Theory vs. Hypothesis Theory Broad pattern Series of supported hypotheses Hypothesis Scientific question Can be supported through experimentation * Cell Theory Discovery of cells First major conceptual breakthrough in bio Robert Hooke (1665) Discovered cells Cork (30x Magnification) Studied springs – similar to muscles Early 1800’s : all organisms consist of cells Pattern : cells exist in nature and are the basic constituent of all biological entities But where
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BIO WHAT IS BIODEGRADABLE SOAP? A biodegradable soap is a cleaning agent that can decompose naturally over time. These soaps can help reduce environmental impact when hikers‚ backpackers and campers need to bathe or clean their belongings. Depending on the formulation of soap that is purchased‚ a biodegradable soap can be used on the body‚ face‚ hair‚ hands and objects such as dishes and clothes. Non-toxic soaps can be manufactured with organic oils so as to remain environmentally friendly. Oils
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ENGINEERING KINGS COLLEGE OF ENGINEERING DEPARTMENT OF MECHANICAL ENGINEERING QUESTION BANK Subject Name: AT1360- AUTOMOBILE ENGINEERING UNIT-I VEHICLE STRUCTURE AND ENGINES PART A (2 MARKS) 1. State major types of automobiles according to the fuel used. 2. List any four components of a chassis. 3. Mention any two requirement of an automobile. 4. List any four characteristics of a good chassis. 5. Give any two requirement of good frame. 6. Define cross wind force. 7. State any four functions
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