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Mitochondria are double membrane-bound organelles that undergo morphological changes through fusion and division. These changes are important for respiration and energy production. Fusion and fission allow for redistribution of mitochondria, removal of damaged mitochondrial components, and maintenance of a healthy mitochondrial network.
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Diesel engine
Diesel engines are commonly used in vehicles like cars, buses, trucks as well as agricultural equipment and generators because they can operate in places with unreliable electricity. Diesel engines ignite fuel using the heat of compressed air rather than a spark plug, and are often more efficient than gasoline engines, though they produce more air pollution. The document discusses the components and operation of both 4-stroke and 2-stroke diesel engines.
MET 401 Chapter 6 -_gas_power_plant_diesel_cycle_
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2presentation otto-cycle-101225122612-phpapp012
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The Otto cycle describes the functioning of a typical spark ignition piston engine through an idealized thermodynamic cycle. The four-stroke engine was first patented in 1861 by Alphonse Beau de Rochas, though two Italians invented a similar engine in the 1850s. The first person to build a working four-stroke engine was Nikolaus Otto, for which the Otto cycle is named.
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The document discusses different types of internal combustion engines. It describes two-stroke and four-stroke engines, as well as their similarities and differences. The key aspects covered include the combustion cycle, ignition methods, cooling systems, fuel types, cylinder arrangements, and applications of different engine types. It also discusses the basic components and functioning of four-stroke engines through labeled diagrams and animations of the intake, compression, power, and exhaust strokes. Turbines, pumps, compressors and other power consuming devices are briefly introduced as well.
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Diesel engines differ from petrol/gasoline engines in that diesel engines ignite fuel via compression rather than with a spark plug. Diesel engines have higher compression ratios than petrol engines, ranging from 14:1 to 25:1. This makes diesel engines more efficient but also more expensive than petrol engines. While diesel engines have advantages like better fuel efficiency and reliability, they also have disadvantages like being noisier, producing more emissions, and being harder to start in cold weather. Both engine types are commonly used in vehicles, though diesel sees more use in larger transport like trucks and buses.
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This document discusses the four stroke petrol engine. It describes the four strokes of the engine cycle: intake, compression, power, and exhaust. During intake, the piston moves down and air-fuel mixture enters the combustion chamber. In compression, the piston moves up and compresses the mixture. In power stroke, ignition occurs and the expanding gases push the piston down. Finally, in exhaust stroke, the piston moves up to push out the exhaust gases. The four strokes complete one cycle requiring two revolutions of the crankshaft.
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Diesel engine
Diesel engines are commonly used in vehicles like cars, buses, trucks as well as agricultural equipment and generators because they can operate in places with unreliable electricity. Diesel engines ignite fuel using the heat of compressed air rather than a spark plug, and are often more efficient than gasoline engines, though they produce more air pollution. The document discusses the components and operation of both 4-stroke and 2-stroke diesel engines.
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2presentation otto-cycle-101225122612-phpapp012
The Otto cycle describes the thermodynamic processes that occur in a 4-stroke internal combustion engine. It consists of four stages: intake, compression, combustion (power), and exhaust. In the intake stroke, air-fuel mixture enters the cylinder. In compression, the mixture is compressed. In combustion, ignition causes the mixture to burn, expanding and producing power. In exhaust, burned gases are pushed out of the cylinder. The Otto cycle forms a closed loop on a pressure-volume diagram, with the area inside representing the work produced by the engine in each cycle.
Otto cycle
The Otto cycle describes the functioning of a typical spark ignition piston engine through an idealized thermodynamic cycle. The four-stroke engine was first patented in 1861 by Alphonse Beau de Rochas, though two Italians invented a similar engine in the 1850s. The first person to build a working four-stroke engine was Nikolaus Otto, for which the Otto cycle is named.
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The document discusses different types of internal combustion engines. It describes two-stroke and four-stroke engines, as well as their similarities and differences. The key aspects covered include the combustion cycle, ignition methods, cooling systems, fuel types, cylinder arrangements, and applications of different engine types. It also discusses the basic components and functioning of four-stroke engines through labeled diagrams and animations of the intake, compression, power, and exhaust strokes. Turbines, pumps, compressors and other power consuming devices are briefly introduced as well.
4 stroke diesel engine
The document presents a presentation on the working of a four-stroke diesel engine. It defines an engine as a prime mover that converts fuel into mechanical energy. It classifies engines based on their stroke, fuel used, cylinder position, and ignition type. It then describes the basic parts of a diesel engine, including the cylinder block, piston, connecting rod, crankshaft, cylinder head, valves, camshaft, and spark plug. It proceeds to explain the four strokes of the diesel engine cycle - intake, compression, power, and exhaust strokes. It concludes by noting advantages of diesel engines such as better fuel economy, lower fuel costs, and higher reliability compared to gasoline engines.
Petrol engine vs diesel engine
Diesel engines differ from petrol/gasoline engines in that diesel engines ignite fuel via compression rather than with a spark plug. Diesel engines have higher compression ratios than petrol engines, ranging from 14:1 to 25:1. This makes diesel engines more efficient but also more expensive than petrol engines. While diesel engines have advantages like better fuel efficiency and reliability, they also have disadvantages like being noisier, producing more emissions, and being harder to start in cold weather. Both engine types are commonly used in vehicles, though diesel sees more use in larger transport like trucks and buses.
Four Stroke Petrol Engine
This document discusses the four stroke petrol engine. It describes the four strokes of the engine cycle: intake, compression, power, and exhaust. During intake, the piston moves down and air-fuel mixture enters the combustion chamber. In compression, the piston moves up and compresses the mixture. In power stroke, ignition occurs and the expanding gases push the piston down. Finally, in exhaust stroke, the piston moves up to push out the exhaust gases. The four strokes complete one cycle requiring two revolutions of the crankshaft.
diesel cycle presentation
Thermodynamic Cycles for CI engines
- Early CI engines injected fuel at top dead center, resulting in combustion during the expansion stroke. Modern engines inject fuel before top dead center, around 20 degrees.
- The combustion process in early CI engines approximates a constant pressure heat addition process, known as the Diesel cycle. Modern CI engines' combustion approximates a combination of constant volume and constant pressure processes, known as the Dual cycle.
- The air-standard Diesel cycle consists of four processes: isentropic compression, constant pressure heat addition, isentropic expansion, and constant volume heat rejection. Its thermal efficiency is lower than the Otto cycle for the same compression ratio due to the later fuel injection
Diesel cycle
This Presentation was prepared for Dual Combustion Cycle. This is very important in the study of THermodynamics.
Diesel cycle
The document summarizes key aspects of diesel engine cycles and their thermodynamics. It discusses:
1) The diesel engine cycle involves isentropic compression, constant pressure heat addition, isentropic expansion, and constant volume heat rejection. This is similar to but distinct from the Otto cycle used in gasoline engines.
2) The thermal efficiency of the diesel cycle depends on the compression ratio and cutoff ratio, with higher efficiencies achieved at higher compression ratios and cutoff ratios closer to 1.
3) Despite sometimes having lower compression ratios, diesel engines are typically more efficient than gasoline engines because they add less heat per cycle, allowing the engine to run at higher speeds to produce the same power output.
4-stroke Diesel Engine
This is a presentation that provides basic view of the 4-stroke diesel Engine.Hope you like it and it's helpful to you....
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Compexometric titration/Chelatorphy titration/chelating titration
Classification
Metal ion ion indicators
Masking and demasking reagents
Estimation of Magnisium sulphate
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1.Direct Titration
2.Back Titration
3.Replacement Titration
4.Indirect Titration
Masking agent, Demasking agents
formation of complex
comparition between masking and demasking agents,
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diesel cycle presentation
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- The combustion process in early CI engines approximates a constant pressure heat addition process, known as the Diesel cycle. Modern CI engines' combustion approximates a combination of constant volume and constant pressure processes, known as the Dual cycle.
- The air-standard Diesel cycle consists of four processes: isentropic compression, constant pressure heat addition, isentropic expansion, and constant volume heat rejection. Its thermal efficiency is lower than the Otto cycle for the same compression ratio due to the later fuel injection
Diesel cycle
This Presentation was prepared for Dual Combustion Cycle. This is very important in the study of THermodynamics.
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The document summarizes key aspects of diesel engine cycles and their thermodynamics. It discusses:
1) The diesel engine cycle involves isentropic compression, constant pressure heat addition, isentropic expansion, and constant volume heat rejection. This is similar to but distinct from the Otto cycle used in gasoline engines.
2) The thermal efficiency of the diesel cycle depends on the compression ratio and cutoff ratio, with higher efficiencies achieved at higher compression ratios and cutoff ratios closer to 1.
3) Despite sometimes having lower compression ratios, diesel engines are typically more efficient than gasoline engines because they add less heat per cycle, allowing the engine to run at higher speeds to produce the same power output.
4-stroke Diesel Engine
This is a presentation that provides basic view of the 4-stroke diesel Engine.Hope you like it and it's helpful to you....
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GLOBAL WARMING (GOOD PRESENTATION)
Global warming is caused by greenhouse gases like carbon dioxide and methane trapping heat in the atmosphere. This is warming the planet and causing sea levels to rise, harming plants and animals. One contributor is burning fossil fuels which release pollutants into the air. Cutting down forests also exacerbates the problem since trees absorb carbon dioxide. To address global warming, people are carpooling, conserving energy, and governments are implementing acts like the Clean Air Act to reduce industrial and vehicle emissions. Protecting the environment is important for health, safety, and longevity.
Global Warming Ppt
Global warming occurs naturally but is now exacerbated by human activities like industrialization. The greenhouse effect involves gases in the atmosphere trapping heat from the sun, warming the planet. Increased greenhouse gases from human activities have raised the Earth's surface temperature to new highs and caused severe weather events. If emissions are not reduced, scientists warn of even greater temperature rises, more extreme storms, floods and droughts, and small island nations being submerged due to sea level rise from melting ice sheets and thermal expansion of oceans. International agreements like the Kyoto Protocol have aimed to reduce emissions but more action is still needed to prevent destructive climate change impacts.
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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.
Bob Reedy - Nitrate in Texas Groundwater.pdf
Presented at June 6-7 Texas Alliance of Groundwater Districts Business Meeting
Compexometric titration/Chelatorphy titration/chelating titration
Classification
Metal ion ion indicators
Masking and demasking reagents
Estimation of Magnisium sulphate
Calcium gluconate
Complexometric Titration/ chelatometry titration/chelating titration, introduction, Types-
1.Direct Titration
2.Back Titration
3.Replacement Titration
4.Indirect Titration
Masking agent, Demasking agents
formation of complex
comparition between masking and demasking agents,
Indicators/Metal ion indicators/ Metallochromic indicators/pM indicators,
Visual Technique,PM indicators (metallochromic), Indicators of pH, Redox Indicators
Instrumental Techniques-Photometry
Potentiometry
Miscellaneous methods.
Complex titration with EDTA.
waterlessdyeingtechnolgyusing carbon dioxide chemicalspdf
The technology uses reclaimed CO₂ as the dyeing medium in a closed loop process. When pressurized, CO₂ becomes supercritical (SC-CO₂). In this state CO₂ has a very high solvent power, allowing the dye to dissolve easily.
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When I was asked to give a companion lecture in support of ‘The Philosophy of Science’ (https://shorturl.at/4pUXz) I decided not to walk through the detail of the many methodologies in order of use. Instead, I chose to employ a long standing, and ongoing, scientific development as an exemplar. And so, I chose the ever evolving story of Thermodynamics as a scientific investigation at its best.
Conducted over a period of >200 years, Thermodynamics R&D, and application, benefitted from the highest levels of professionalism, collaboration, and technical thoroughness. New layers of application, methodology, and practice were made possible by the progressive advance of technology. In turn, this has seen measurement and modelling accuracy continually improved at a micro and macro level.
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THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...
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Syllabus of Second Year B. Pharmacy
2019 PATTERN.
快速办理(UAM毕业证书)马德里自治大学毕业证学位证一模一样
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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.
ESR spectroscopy in liquid food and beverages.pptx
With increasing population, people need to rely on packaged food stuffs. Packaging of food materials requires the preservation of food. There are various methods for the treatment of food to preserve them and irradiation treatment of food is one of them. It is the most common and the most harmless method for the food preservation as it does not alter the necessary micronutrients of food materials. Although irradiated food doesn’t cause any harm to the human health but still the quality assessment of food is required to provide consumers with necessary information about the food. ESR spectroscopy is the most sophisticated way to investigate the quality of the food and the free radicals induced during the processing of the food. ESR spin trapping technique is useful for the detection of highly unstable radicals in the food. The antioxidant capability of liquid food and beverages in mainly performed by spin trapping technique.
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.
11.1 Role of physical biological in deterioration of grains.pdf
Storagedeteriorationisanyformoflossinquantityandqualityofbio-materials.
Themajorcausesofdeteriorationinstorage
•Physical
•Biological
•Mechanical
•Chemical
Storageonlypreservesquality.Itneverimprovesquality.
Itisadvisabletostartstoragewithqualityfoodproduct.Productwithinitialpoorqualityquicklydepreciates
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.
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.
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