Separation Processes – An Overview By Farhan Ahmad farhanahmad@uet.edu.pk DEPARTMENT OF CHEMICAL ENGINEERING Course Details: Subject Subject code Contact hours Credit hours Separation Processes Ch.E. - 310 3+3 3+1 Evaluation Procedure: Sessional 30 % (Quizzes + Attendance + Class participation + Assignments) 30% 40% 3 Mid term Final term Course Outline Introduction to Mass Transfer Operations Selection criteria among different separation processes Complete design
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Differential amplifiers A differential (or difference) amplifier is a circuit used for amplifying a voltage difference between two input signals while rejecting signals that are common to both inputs. IRE = based on approximation IC ≈ IE then IC1 = IC2 = IRE/2 therefore‚ VC1 = VC2 = VCC – IC1R1 Modes of Signal Operation: Single-ended input – input signal is applied to either input with the other input connected to ground Differential or double-ended input – two opposite polarity input signals are
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benefits; Health and Safety provisions; Benefit of employer’s duty of care; Certain statutory rights: Notice periods – s.86 ERA 1996; Sick pay/holiday pay; Redundancy pay Unfair dismissal Employment contracts contain implied terms; Tax and NI reasons; Question 2 – Four Tests Common Law tests: – Control Integration (Organisational) Mutual Obligation Multiple/Economic reality Question 3 – Advice of the Court of Apeal in Hall v Lorimer No decisive factor for determining status;
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naruqdnatsrednu@retsambew :ot liame na dnes ro moc.naruqdnatsrednu.www :ta etisbew ruo tisiv esaelp ‚stcatnoc roF AIDNI ‚800005 dabaredyH ‚ymedacA na’ruQ dnatsrednU :sthgirypoC All Rights Reserved luficreM tsoM ‚tnecifeneB tsoM ‚hallA fo eman eht nI www.understandquran.com Third Revised Edition: Sep. 2006 ii In the name of Allah‚ Most Beneficent‚ Most Merciful Table of Contents FROM QUR’AN / HADITH 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23
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the ferroelectric part of the polarization Pi can be associated with a displacement of the B-site ion from its central position‚ ni‚ and can be written as Pi ¼ eðBÞ v ni ð2:27Þ where v is the unit cell volume‚ and eðBÞ is the charge of the B-site ion. In this model‚ at temperatures higher than TC = 120 C‚ ni ¼ 0‚ whereas at temperatures below TC = 120 C‚ ni 6¼ 0. Thus‚ in the framework used above‚ setting To equal to TC‚ one qualitatively describes the evolution of the structure of BaTiO3
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EECE 352: 352 PN Junctions Peyman Servati y Outline • • • • Diffusion and drift currents Current continuity PN Junctions Diodes‚ photodetectors‚ solar cells Diffusion of Electrons Movement of electrons and holes (charge carriers) results in ( g ) conduction in materials. Electrons and holes in solids move based on Brownian motion (random walk). In this random movement‚ electrons effectively move from a movement location where the concentration is higher to where the concentration is
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Tá ceist na dtáillí uisce idir dhá cheann na meá Nuair a tháinig ceist na dtáillí uisce go béal an phobail‚ bhí mearbhall ann de bharr an fáth a bhí air muintir na hÉireann íoc do riachtanas bunúsach cosúil le huisce. Bíonn sé ag cur báistí 225 lá sa bhliain in Éirinn‚ agus d’aithneodh dall gan súil nach bhfuil ganntanas uisce againn. De réir an rialtais‚ an fáth go bhfuil táillí uisce le teacht isteach ná de bharr an t-uisce do-ólta atá in áiteanna sa tír‚ chomh maith le hinfreastruchtúr
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Recommendation: Mountain Man Brewing should create a new market strategy and introduce a line extension of Light Beer to expand their portfolio and create new sales among non-existing customers. This line extension will target the younger drinkers and women in the East Central Region and will increase sales and create profit within 2 years. Rationale: 1. Light beer sales will be profitable within 2 years. The first year MMBC will lose $486‚374. However‚ in 2007‚ the second year‚ MMBC
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ALLOY STEELS I. A. ALLOYING ELEMENTS Any metallic element added during the making of steel for the purpose of increasing corrosion resistance‚ hardness‚ or strength. The metals used most commonly as alloying elements in stainless steel include chromium‚ nickel‚ and molybdenum. Characteristic of alloying elements Very important elements for alloy steels are manganese‚ nickel‚ chromium‚ molybdenum‚ vanadium‚ tungsten‚ silicon‚ copper‚ cobalt and boron. All commercial steels contain 0‚3-0
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effect of these additions on the microstructure of hot dip galvanised coatings was investigated in the second part. Both Zr and Mn can inhibit the layer growth of active steels with high Si content. Thus‚ Mn and Zr might be an alternative addition to Ni which can control the excessive reaction of the active steels. Addition of 0.8 wt % Cu significantly increases the coating thickness of the galvanised steel containing
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