Diploma in Chemical and Pharmaceutical Technology (CLDF02) Nanyang Polytechnic Plant-based Project (PbP) Report Industrial Attachment at ExxonMobil Asia Pacific Private Limited [13th October 2008 – 13th February 2009] Name of Student : Ong Wei Suan Admin. Number : 062015X Module Group : CPT0605-B1 Name of Company : ExxonMobil Asia Pacific Private Limited Department : ExxonMobil S1 Operations Supervisor-in-charge : Mr Vignesvaran Swaminathar Liaison
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electricity‚ a small carbonized filament‚ and an improved vacuum inside the globe; this was not an original invention by Edison this was an improved invention by Edison from 50 years ago. Edison’s bulb design had a pointy top but looked similar to the light bulbs you would see today. The socket was at the base‚ just as light bulbs used today. The electric light had a thin carbonized cotton thread filament sealed inside a fragile glass vacuum tube. The bulb worked by passing direct current through the
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to as the capture-acceleration scenario to show that an electron can be accelerated by a tightly focused laser in a vacuum. In the capture-acceleration scenario‚ the diffraction from a tightly focused laser changes not only the intensity distribution of the laser but also its phase distribution‚ which results in the field phase velocity being lower than the speed of light in a vacuum in some areas. Thus‚ a channel that overlaps features of both strong longitudinal electric field and low-laser-phase
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generally worked with relays and/or vacuum tubes‚ which could be used as switches. * The differential Analyzer built in 1930—used purely mechanical internals but employed electric motors to power them. * 1940’s: Electronic Computers * The first electronic computers were developed during the World War II‚ with the earliest of those being the Colossus. * The Colossus was developed to decrypt secret German codes during the war. * used vacuum tubes and paper tape and could
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solubility‚ crystallization and vacuum filtration. The experiment was carried out two times‚ both of which were successful. Background Information: This experiment combined all the knowledge of the previous labs performed throughout the semester. An unknown mixture containing an organic acid or base and an organic neutral compound in nearly equal amounts needs to be separated to its separate components. An understanding of solubility‚ extraction‚ crystallization and vacuum filtration is necessary
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FOOD PRESERVATION Food is preserved to prevent natural and microbial decay‚ by modifying the conditions that favour enzyme activity and the growth of micro-organisms. Foods are preserved for the following reasons: 1. To add variety to the diet‚ by making food available out of season. 2. To make use of food when it is cheap and plentiful and to store it for later use. 3. To vary the diet by preserving food in ways the make a new product out of the food (e.g. pickling‚ jam making).
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upholstery care guide upholstery care guide ACTIMA - RCS Nanterre B 400 009 981 all about leather YOU’VE JUST PURCHASED A ROCHE BOBOIS SOFA: You’ve been captivated by its sleek design and color; now you’re ready to discover the secrets beneath its elegant surface: how it was built‚ and how to preserve its fine quality. This manual will guide you through the care and maintenance of your ROCHE B OB OIS Sofa. THE ➀ ROCHE BOBOIS BEGINS AT THE TANNERY. BEAUTY‚ ALLURE‚ AND SUPPLENESS
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Electromagnetic waves in space See the book “Optics” by Hecht sections 3.2 and 3.3 Speed of light: EM waves travel in a vacuum with speed c = c = 299‚792‚458 ms-1 exactly They are transverse waves with (vector) E and B field orthogonal to each other‚ for this section bold indicates vector quanties. When far from the source (many wavelengths) the E and B fields are in phase The vector E x B points in the direction of motion Travelling waves can be written as E = E 0 ⋅ ei ( kx −ωt ) and B = B 0 ⋅ ei
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equations.[1] More fundamentally‚ n is defined as the factor by which the wavelength and the velocity of the radiation are reduced with respect to their vacuum values: The speed of light in a medium is v = c/n‚ where c is the speed in vacuum.[1] Similarly‚ for a given vacuum wavelength λ0‚ the wavelength in the medium is λ=λ0/n. This implies that vacuum has a refractive index of 1. Historically other reference media (e.g.‚ air at a standardized pressure and temperature) have been common. Refractive
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Quantitative Determination of Sulphate by Gravimetric Analysis Table of Contents: 1. Synopsis 2. Objective 3. Theory 3.1: Summary 3.2: Technique 3.3: Chemicals 3.4: Instruments 4. Procedures 4.1: Precipitation of BaSO₄ 4.2: Washing and Filtration of BaSO₄ Precipitate 4.3: Drying and Weighing of BaSO₄ Precipitate 5. Results and Calculations 6. Discussions 7. Conclusion 8. References 1. Synopsis: This report is written about determining
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