Vacuum Technology Nagamitsu Yoshimura Vacuum Technology Practice for Scientific Instruments Dr. Nagamitsu Yoshimura 3-22-75 Fujimoto Kokubunji‚ Tokyo 185-0031 Japan ISBN 978-3-540-74432-0 Library of Congress Control Number: 2007933832 c 2008 Springer-Verlag Berlin Heidelberg e-ISBN 978-3-540-74433-7 This work is subject to copyright. All rights are reserved‚ whether the whole or part of the material is concerned‚ specifically the rights of translation‚ reprinting‚ reuse of illustrations
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1. Suppose that an open box is to be made from a square sheet of cardboard by cutting out 6-inch squares from each corner as shown and then folding along the dotted lines. If the box is to have a volume of 486 cubic inches‚ find the original dimensions of the sheet of cardboard. 2. A toy rocket is shot vertically upward from the ground. Its distance in feet from the ground in 5 seconds is given by s(t) = -16t2 + 169t. At what time or times will the ball be 162 ft. from the ground? Round your
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into many categories‚ two of them being academic and non-academic writing. In order for a person to write in academic form‚ time‚ effort and money are invested in carrying out certain experiments or research concerning the field being discussed to use as evidence to support the claim. Also‚ citations are usually used as they have a powerful influence on the audience and tend to impel them towards believing the writer’s claim. On the other hand‚ non-academic writing‚ also referred to as personal writing
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......... 5 IV. Procedure.............................................................................................................................. 6 Velocity Traverse and Differential Pressure Measurement..................................................... 6 Recoverable and Non-Recoverable Pressure Drop Measurement........................................... 8 V. Required Data Analysis ......................................................................................................
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Objective: To determine the relationship between the pressure and volume of a gas at constant temperature. Introduction: The relationship of pressure to volume for a gas in a rigid container was first described in 1662 by the Irishborn scientist Sir Robert Boyle (16271691)‚ and is known as Boyle’s Law. As long as the temperature of the gas remains constant‚ the pressure of a gas has a predictable relationship with the volume of the gas. The pressure of a gas is a measure of
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standard temperature and pressure is compressed to 473 mL. What is the new pressure of the gas? 2) In a thermonuclear device‚ the pressure of 0.050 liters of gas within the bomb casing reaches 4.0 x 106 atm. When the bomb casing is destroyed by the explosion‚ the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. What is the volume of the gas after the explosion? 3) Synthetic diamonds can be manufactured at pressures of 6.00 x 104 atm. If
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temperature‚ volume‚ and pressure. Objectives: Conduct a set of experiments‚ each of which illustrates a gas law. Gather data to identify the gas law described by each activity. Complete the calculations necessary to evaluate the gas law in each activity. From your results‚ derive a single mathematical relationship that relates pressure‚ volume‚ and temperature. Hypothesis: As the temperature increases the pressure increases and if temperature decreases the pressure decreases. Also as the volume
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automotive industry‚ mechanical engineering‚ and hydraulics. Pascal’s law or the principle of transmission of fluid-pressure that was proposed by Blaise Pascal. According to Bloomfield‚ the law is a principle in fluid mechanics that states that for a particular position within a fluid at rest‚ the pressure is the same in all directions. Pascal’s principle is defined as A change in pressure at any point in an enclosed fluid at rest is transmitted undiminished to all points in the fluid Reference List
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the basic units of pressure. The basic units of pressure are atmospheres‚ psi‚ mm of Hg‚ torrs‚ and Pascals (Newtons per square meter) Know the difference between gage and atmospheric pressure. Atmospheric pressure is the pressure exerted by the earth’s atmosphere at any given point‚ being the product of the mass of the atmospheric column of the unit area above the given point and of the gravitational acceleration at the given point. Gage pressure is measured on a pressure gage and is above or
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Name: ___________Naomi Scharf___________________________ Date: 3/17/11________________________ Student Exploration: Boyle’s Law and Charles’ Law Vocabulary: absolute zero‚ Boyle’s law‚ Charles’ law‚ Kelvin scale‚ pressure Prior Knowledge Question (Do this BEFORE using the Gizmo.) A small helium tank measures about two feet (60 cm) high. Yet it can fill over 50 balloons! How can such a small tank contain enough helium to fill so many balloons? _The tank is compressing the helium into a denser
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