Unit 1 What is inside an atom? * A positively charged nucleus composed of protons and neutrons * Electrons that surround the nucleus What are isotopes? Isotopes are atoms with the same number of protons and different numbers of electrons How do we represent different atoms? What is specific charge? The specific charge of a particle is defined as its charge divided by its mass What keeps protons and neutrons in a nucleus together? A stable isotope has nuclei that do not disintegrate
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Gravitation Gravitational field strength at a point is defined as the gravitational force per unit mass at that point. Newton’s law of gravitation: The (mutual) gravitational force F between two point masses M and m separated by a distance r is given by F = | GMm | (where G: Universal gravitational constant) | | r2 | | or‚ the gravitational force of between two point masses is proportional to the product of their masses & inversely proportional to the square of their separation. Gravitational
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Microstrip‚ Stripline‚ and CPW Design Iulian Rosu‚ YO3DAC / VA3IUL‚ http://www.qsl.net/va3iul In the first years of microwave development the Rectangular Waveguide become the dominant waveguide structure largely because high-quality components could be designed using it. One of the main issues was its narrow bandwidth due to the cut-off frequency characteristic. Later‚ researchers try to find components that could provide greater bandwidth and possible miniaturization‚ and therefore they examined
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NANO LETTERS Extended Arrays of Vertically Aligned Sub-10 nm Diameter [100] Si Nanowires by Metal-Assisted Chemical Etching Zhipeng Huang‚† Xuanxiong Zhang‚† Manfred Reiche‚† Lifeng Liu‚† Woo Lee‚*‚†‚‡ Tomohiro Shimizu‚† Stephan Senz‚† and Ulrich Gosele*‚† ¨ Max Planck Institute of Microstructure Physics‚ Weinberg 2‚ D-06120 Halle Germany‚ and Korea Research Institute of Standards and Science‚ Yuseong‚ 305-340 Daejon‚ Korea Received July 31‚ 2008 2008 Vol. 8‚ No. 9 3046-3051 ABSTRACT
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2012 Quality Control of Parenteral DEPARTMENT OF PHARMACY Page Number 1 QUALITY CONTROL OF PARENTERAL SUBJECT: PHARMACEUTICAL QUALITY CONTROL ASSIGNMENT TOPIC: QUALITY CONTROL OF PARENTRAL SUBMITTED TO: SIR SHAMS-UL-HASSAN. SUBMITTED BY: MUHAMMAD ARSLAN ABDULLAH MUHAMMAD REHAN AZMAT JAWAD AHMAD KHAN MUHAMMAD USMAN SAADULLAH HAFIZ ISRAR AHMAD MUHAMMAD ASIF FAHIM RASHID INTASAR HUSSAIN MUNAWAR ALI MUHAMMAD NADEEM HASSAN RANA KASHIF MUGHAL (BPD 01093179)
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UNITS AND CONVERSION FACTORS E.J. ROSCHKE PROPULSION DIVISION JET PROPULSION LABORATORY 1 NOTE: Many years ago I was given a copy of this document‚ prepared in handwriting‚ some time in the early 1960’s. I did not know the author‚ E.J. Roschke. I have found it to be such a useful reference that I decided to have an electronic version prepared. Recently‚ I spoke with Dr. Roschke‚ now retired from the Jet Propulsion Laboratory to learn of the document’s origin. In the early 1960’s a
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Term paper of ECE(basic electronics and electrical) Name: aalok mallik Reg no:11008765 Sec:Rk6002 Roll no:B55 .contents 1.History 2.Classification 3.Introduction of magnetic circuit 4.Concept 5.Analogies 6.Laws of magnetic circuit 7.Application 8.Referenece Concept and analogies of magnetic circuit HISTORY As with all great discoveries the history of magnets is very colorful and interesting too. The Shepherd Magnes The most popular legend accounting
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Transformer Introduction The transformer is one of the simplest of electrical devices. Its basic design‚ materials‚ and principles have changed little over the last one hundred years‚ yet transformer designs and materials continue to be improved. Transformers are essential in high voltage power transmission providing an economical means of transmitting power over large distances. The simplicity‚ reliability‚ and economy of conversion of voltages by transformers was the principal factor in the
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Human Rights Issues Addressed by Examining the Santa Cruz Massacre and the San Vicente Cemetery Mass Graves Krystal Gibbens Texas Tech University April 14‚ 2011 Abstract Human rights are constantly violated. This has been an issue in the past and will continue in the future. Recently‚ science has caught up. With advances in forensic science‚ especially in anthropology and archeology‚ graves can not only be located‚ but thoroughly excavated‚ leading to positive
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AUTO MUTE FOR AUDIO DECK (Automatically Mute Your Audio System when you receive a call) Muting car’s audio deck‚ while talking on cell phone is an important yet difficult task. This project is designed to solve the problem. A sensitive IR transmitter and receiver pair is designed and fixed to a cell phone holder. Always the cell phone should be placed in the holder. The transmitter unit continuously transmits IR rays. These IR rays are interrupted by the cell phone. Whenever the cell phone
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