Discrete Math - 1153 Words

Coal is a fossil fuel like oil and gas. Fossil fuels are all formed out of organic matter deposited, decomposed and compressed, storing all the carbon involved under the earths surface for millions of years. Some of the advantages of coal are - * Easily combustible, and burns at low temperatures, making coal-fired boilers cheaper and simpler than many others * Widely and easily distributed all over the world; * Comparatively inexpensive to buy on the open market due to large reserves and easy accessibility * Good availability for much of the world (i.e. coal is found many more places than other fossil fuels) * Most coal is rather simple to mine, making it by far the least expensive fossil fuel to actually obtain†¦show more content†¦Coal slurry (a mix of rock and coal products left over after the mined coal has been treated for use as a fuel) is a severe environmental problem around coal mines. The slurry itself is a semi-liquid, and is generally stored in a pond or small lake near the mine exit. The slurry contains a whole host of nasty chemicals, mostly benzene relatives and derivatives, and is categorized as low-level toxic waste. Storing is a significant problem, as it has a tendency to leech into the local environment, contaminating groundwater and nearby croplands. The major problem is that the volume of coal slurry is quite high, relative to the amount of usable coal produced. Improve answe Nevada is shaping up as the battle ground for a decision on the future of electric generation in the United States. But it’s not nuclear power and Yucca Mountain being debated this time. Instead Nevada is at the center of the debate over coal-fired power plants, which provide about half the nation’s electricity. Are EPA coal emission standards strict enough? Three new plants are proposed for the Silver State, and environmental groups say their effects would be deadly to both the environment and to human health. They also say the tide is turning against coal, as evidenced by the 59 coal plant plans canceled, abandoned, or put on hold last year - despite a resurgence in coal plant proposals earlier this decade. They also point to Senate Majority Leader Harry Reid’s outspoken opposition to new coalShow MoreRelatedQuestions On Advanced Discrete Math And Algorithms1916 Words   |  8 PagesCS7800: Advanced Algorithms. Fall 2016 Homework 1 Solutions Author: Aditeya Pandey, Collaborators: Micha Schwab,Supraja Krishnan †¢ Problems 1-3 are meant as a review of undergraduate discrete math and algorithms. They shouldn’t take you too long, but I recommend starting these right away to make sure that you have the appropriate background for this course. †¢ You must type your solutions using L A TEX. Please submit both the source and PDF files using the naming conventions lastname hw1.tex and lastnameRead MoreSoftware Is Tightly Integrated With The Matlab Environment1154 Words   |  5 Pagesthen be dumped into sinks, which could be scopes, displays or could be saved to a file. Data can be connected from one block to another, can be branched, multiplexed etc. In simulation, data is processed and transferred only at Discrete times, since all computers are discrete systems. Thus, a simulation time step (otherwise called an integration time step) is essential, and the selection of that step is determined by the fastest dynamics in the simulated system. Simulink library browser SourcesRead Moremth221 r2 network flows case study Essay7741 Words   |  31 Pages23 Network Flows Author: versity. Arthur M. Hobbs, Department of Mathematics, Texas AM Uni- Prerequisites: The prerequisites for this chapter are graphs and trees. See Sections 9.1 and 10.1 of Discrete Mathematics and Its Applications. Introduction In this chapter we solve three very diï ¬â‚¬erent problems. Example 1 Joe the plumber has made an interesting oï ¬â‚¬er. He says he has lots of short pieces of varying gauges of copper pipe; they are nearly worthless to him, but for only 1/5 of the usual costRead MoreDesigning A New Low Complexity Approximation For Image Compression3363 Words   |  14 PagesABSTRACT We focus on approximate algorithms for the computation of the 8-point DCT. While not computing the DCT exactly, approximate methods can provide meaningful estimations at low-complexity requirements. Prominent techniques include the signed discrete cosine transform (SDCT), the Bouguezel–Ahmad–Swamy (BAS) series of algorithms, and the level-1 approximation by Lengwehasatit-Orteg. All above mentioned techniques possess extremely low arithmetic complexities. These techniques have some defaultsRead MoreQuiz 1 Essay834 Words   |  4 Pagesthe day. d) Identify the variable? a. The variable is the amount of time it took the customers to check out e) Is the data that resulted from this variable QUALITATIVE or QUANTITATIVE? If you say quantitative, further classify the variable as discrete or continuous. a. The data collected would be considered quantitative, because a value can be assigned to shopper. In this case, it would be the time it took them to check out. i. The quantitative variable would be continuous, because there areRead MoreImportant Technologies Of Dsp And Reason Behind Its Importance1030 Words   |  5 Pagesprocessing (DSP) is the numerical manipulation of signals, usually with the intention to measure, filter, produce or compress continuous analog signals. It is characterized by the use of digital signals to represent these signals as discrete time, discrete frequency, or other discrete domain signals in the form of a sequence of numbers or symbols to permit the digital processing of these signals. In this digital Era, Signal processing plays an important role in making our life much easier. The important theoremsRead MoreManagement and National Service Training1620 Words   |  7 PagesSubject description | Units | Grade | Instructor |    | Semester 1 |    |    |    | Eng 111 | Effective reading, writing and listening skills/study and thinking skills | 3 |    |    | Fil 111 | Sining ng pakikipagtalastasan | 3 |    |    | Math 111 | Basic math algebra | 3 |    |    | Com 111 | Basic computer (i.t) | 3 |    |    | Soc. Sc 111 | General psychology | 3 |    |    | Cs 111 s1 | Logic formulation and introduction to programming | 3 |    |    | Cs 111 s1 | Fundamental of typing and wordRead MoreStudents Knowledge And Thirst For Greater Understanding950 Words   |  4 Pagesstudents more for independent thinking and higher education. WHAT IS AN INTEGRATED THEMATIC UNIT? Patricia Roberts (1996) describes integrated curriculum as â€Å"a way of teaching and a way of planning and organizing the instructional program so the discrete disciplines of subject matter are related to one another in a design that matches the developmental needs of the learners and that helps to connect their learning in ways that are meaningful to their current and past experiences.† Integrated curriculumRead MoreMM207 Mid Term1203 Words   |  5 Pagesimpossible to survey everyone at Kaplan, the random sampling can be the most effective way to gather a general outlook. 5. From the MM207 Student Data Set identify one variable that is discrete and one variable that is continuous. Explain your reasoning. How do you know? a) Discrete: Q17. We know that this is a discrete variable because it is a finite number that the person can have. You can not have 0.5 pets. b) Continuous: Q3. We know that this is continuous because it has no finite number andRead MoreNumerical Modeling And Tropical Meteorology991 Words   |  4 Pagesincomprehensible for me then. Realizing that a solid math foundation would be critical to further study in meteorology, I chose to study mathematics in University of California, Los Angeles (UCLA). After finishing basic math courses, I challenged myself with a year-long series of honors algebra course, in which group theory, ring theory and Galois theory were covered. The homework sets and take-home exams in this course horned my skills of solving hard math problems. With limited clues for each problem