scaffolding strategies for integrating engineering design and scientific inquiry in project based learning environments
báo cáo sinh học:" A model for integrating strategic planning and competence-based curriculum design in establishing a public health programme: the UNC Charlotte experience" doc
Ngày tải lên :
18/06/2014, 17:20
... (by different or the same individuals) and information is shared, allowing for ongoing self-informing and self-correcting activities External Environment Public mandates Internal Environment University ... involved in the transition process Prioritize within constraints and imperatives With this information in hand and a positive assessment of support within the college and university administration, ... processes for defining, assessing and revising curriculum While the university and college had established processes for reviewing and approving curricula, the Department, due to its heretofore small...
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Báo cáo sinh học: "Resistance of livestock to viruses: mechanisms and strategies for genetic engineering" doc
Ngày tải lên :
09/08/2014, 18:22
... described above for plants will also exist in livestock However, it is imperative to keep the possible risks in mind in designing strategies for induction of resistance by genetic engineering and to experimentally ... sequence information for viral genes that are candidates for inclusion into potential resistance-inducing transgene constructs The general principles for the design of new resistance mechanisms and ... wrapped in protein coat&dquo; This review deals with possible new, genetic engineering strategies for the improvement of resistance to viruses in livestock Since work on genetic engineering of...
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identification, design and synthesis of oxygenated hydrocarbon-based carbon dioxide-soluble polymers for chemical and petroleum engineering applications
Ngày tải lên :
13/11/2014, 10:49
... fine-tuned by varying the CO2 pressure and by reverse micellar imprinting.39,40 Most recently, a new method for producing well-defined porous materials by templating high internal phase CO2 -in- water ... respectively, much of the oil (typically more than 50%) still remains behind in pores of sandstone and limestone formations With the increasing demand for petroleum versus limited resources, tertiary recovery ... of the fluorinated monomer in carbon dioxide The resultant homopolymer was also CO2 soluble, and induced an increase in solution viscosity as measured in a falling sinker viscometer For example,...
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Tài liệu A scaffolding architecture for conformal cooling design in rapid plastic injection moulding doc
Ngày tải lên :
12/02/2014, 22:20
... pressure and locking pressure during mould opening and closing The mould designed can perform with stable dimensions and hence the cooling performance The uniformity of the injection mould cooling ... cooling is one of the limiting factors in the injection-moulding cycle, cooling channel design in RT is important for controlling the production time and quality 3.1 Laminated steel tooling (LST) ... can withstand any force or load produced during mould opening and closing The scaffolding architectural design can be performed with acceptable dimensional stability Uniform cooling performance...
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Board Engagement, Training and Reporting: Strategies for the Chief Ethics and Compliance Officer pptx
Ngày tải lên :
08/03/2014, 16:20
... divergent interests, and receive an increasing volume of information and data with growing complexity and uncertainty Viewed within this context, the CECO is entering a crowded field of information ... when read against the more detailed standards of the FSG and other evolving guidance ● US Federal Sentencing Guidelines (including 2004 and 2010 Amendments) In addition to defining the elements ... which is attached in outline form in Appendix 3L, on page A-101 CECOs need to engage their company’s Board in two basic ways: “training” and “reporting.” Compliance and ethics training supports the...
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chemical process engineering design and economics - h.silla
Ngày tải lên :
01/04/2014, 11:33
... Engineering: Design and Economics, Harry Silla 97 Process Engineering Economics, James R Couper 98 Re -Engineering the Chemical Processing Plant: Process Intensification, Andrzej Stankiewicz and ... including photocopying, microfilming, and recording, or by any information storage and retrieval system, without permission in writing from the publisher Current printing (last digit): 10 PRINTED ... chemical from other engineering disciplines Nevertheless, designing chemical plants requires contributions from other branches of engineering Before taking process design, students' thinking has been...
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Báo cáo hóa học: " Editorial Cross-Layer Design for the Physical, MAC, and Link Layer in Wireless Systems" doc
Ngày tải lên :
21/06/2014, 22:20
... 2 information from the PHY layer is allowed to in uence the operation of the MAC layer The second paper, “Exploiting transmit buffer information at the receiver in block-fading channels” by Dinesh ... detection In “Enhancing the performance of random access networks with random packet CDMA and joint detection,” Kempter et al provide a thorough analysis of the RP-CDMA, by taking into account ... resource allocation Finding the capacity of MIMO broadcast channels, a long standing problem in the information theory community, was recently solved Brehmer and Utschick, in their work entitled...
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STRATEGIES FOR TOURISM INDUSTRY – MICRO AND MACRO PERSPECTIVES pot
Ngày tải lên :
27/06/2014, 07:20
... free time Searching for information, both before the purchase and during the trip, helps to reduce the risks Tourists turn to both internal and external information sources when planning a vacation ... Four types of information can be distinguished in tourist guidebooks First, guidebooks introduce a destination, sketching its main characteristics and offering some background information Second, ... engaged in a conversation In its Food and Drinks section, ANWB Extra Flanders (2010; 25) thus advises readers on dining out in Flanders: “ in plainer localities you could stick to the main course...
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STRATEGIES FOR TOURISM INDUSTRY – MICRO AND MACRO PERSPECTIVES ppt
Ngày tải lên :
28/06/2014, 17:20
... free time Searching for information, both before the purchase and during the trip, helps to reduce the risks Tourists turn to both internal and external information sources when planning a vacation ... Four types of information can be distinguished in tourist guidebooks First, guidebooks introduce a destination, sketching its main characteristics and offering some background information Second, ... engaged in a conversation In its Food and Drinks section, ANWB Extra Flanders (2010; 25) thus advises readers on dining out in Flanders: “ in plainer localities you could stick to the main course...
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Vibration control systems for civil engineering structure and infrastructure
Ngày tải lên :
27/07/2014, 23:31
... journals in civil engineering field, such as ASCE Journal of Engineering Mechanics (issue 4th, in 2004), ASCE Journal of Structural Engineering (issue 7th, in 2003), Earthquake Engineering and Structural ... technologies in fly-wheel batteries etc, key parts of energy recycling, preserving and utilizing for driving EHMD system would be developed At last, integrating DSP based data acquisition, processing and ... spring, are designed to www.intechopen.com Mass Inertia Effect based Vibration Control Systems for Civil Engineering Structure and Infrastructure 147 investigate the similarity between them For...
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transformer engineering design and practice 1_phần 1 pdf
Ngày tải lên :
07/08/2014, 21:21
... The fault current in any of the windings is calculated by adding the corresponding sequence currents flowing in them in the three sequence networks The neutral of LV and HV windings carries times ... studies (in- feed from LV side) that the absence of the tertiary stabilizing winding reduces the total fault current and the current in the faulted winding (LV) The current in HV neutral increases ... current and the current in the faulted winding (LV) However, the current in HV neutral increases significantly Figure A3 Sequence network for Case A2.1 Copyright © 2004 by Marcel Dekker, Inc Appendix...
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transformer engineering design and practice 1_phần 2 docx
Ngày tải lên :
07/08/2014, 21:21
... potential difference between points P and Q is given as By putting the values of s1 and s2 in the above equation and simplifying, Putting this value in equation for Ep (equation B11) we have (B12) ... that R1=R2=R and s1=s2=s, and by using equation B8, the capacitance between two parallel cylindrical conductors per unit length is given by (B26) Using equations B5 and B8 and simplifying we get ... expressions for radius and center we get (B5) (B6) By substituting the value of m in the equation for radius we have (B7) Now, from equations B5 and B7 we get Thus, we get the expression for potential...
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transformer engineering design and practice 1_phần 3 docx
Ngày tải lên :
07/08/2014, 21:21
... chambers for windings and insulating parts to protect against pollution and dirt - Vertical machines for winding large capacity transformer coils - Isostatic clamping for accurate sizing of windings ... joint for core construction to achieve a lower core loss and noise level; top yoke is assembled after lowering windings and insulation at the assembly stage - Automated winding machines for standard ... brazing for joints in the windings and connections Accessories: Bushings and tap changer (off-circuit and on-load) are the most important accessories of a transformer The technology of bushing...
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transformer engineering design and practice 1_phần 4 pdf
Ngày tải lên :
07/08/2014, 21:21
... to y phase winding, instead of getting almost equal induced voltages in r and b phase windings, a much higher voltage is obtained in b phase winding as fault current circulating in the faulty ... and multiple handling of laminations result into development of mechanical strains inside the laminations, disturbing the original grain orientation and thereby causing increase in core loss This ... T.C., Minneci, S., and Montsinger, V.M Transformer engineering, John Wiley and Sons, New York, and Chapman and Hall, London, 1951 Arseneau, R and Moore, W.J.M A method for estimating the sinusoidal...
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transformer engineering design and practice 1_phần 5 docx
Ngày tải lên :
07/08/2014, 21:21
... transformer cannot be analyzed in the same way as that for a two-winding transformer Each winding is interlinked with the leakage fields of other windings, and hence a load current in one winding ... LV and V HV are the rated line voltages of LV and HV windings respectively 3.1.2 Sandwich windings The reactance formula derived in the previous section can also be used for sandwich windings in ... exciting current circulates in the windings of the earthing transformer 4) Third harmonic voltage components present in zig and zag windings get cancelled in the lines The reactance of a transformer...
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transformer engineering design and practice 1_phần 6 doc
Ngày tải lên :
07/08/2014, 21:21
... proper method for making the joint of the strip and CTC conductors 4.5.4 Eddy loss in foil windings In small transformers, foil windings (made up of thin sheets of copper or aluminum) are quite ... Method based on multi-winding transformer theory This method is based on circuit equations of a multi-winding transformer Let us consider the layer winding shown in figure 4.14 The LV winding, ... added later for thin conductors Equation 4.94 is very well-known and useful formula for calculation of eddy losses in windings If we assume that the leakage field in windings is in axial direction...
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transformer engineering design and practice 1_phần 7 pptx
Ngày tải lên :
07/08/2014, 21:21
... (σ·δ) for stainless steel lies between that of mild steel and aluminum The intersection point (B) of the curves for stainless steel and aluminum occurs at about mm and the intersection point (C) ... point The analytical formulation in [37] determines the field in air without the presence of tank, from the construction of the transformer and the currents in windings Based on this field and ... from windings as compared to the core If C and T are the distances of the core and tank from the inter-winding gap-center as shown in figure 5.16, the fringing of the leakage flux at winding ends...
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transformer engineering design and practice 1_phần 8 doc
Ngày tải lên :
07/08/2014, 21:21
... transformers Use of thicker insulating cylinders for supporting inner windings Adoption of higher slenderness ratio for the inner windings to increase the compressive strength against the radial forces ... withstand at the lead take-off points in the windings and also at the terminations For a singlelayer winding, one connection is made at the top and other at the bottom of the winding resulting in ... considerable saving in instrumentation (on the HV side) and space, since a transformer, with one HV winding and two LV windings, substitutes two double-winding transformers of half the power rating The...
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transformer engineering design and practice 1_phần 9 pdf
Ngày tải lên :
07/08/2014, 21:21
... cases, viz interleaved winding and non-interleaved continuous disk winding For the case of interleaved winding, where both HV main winding and its corresponding tap winding are of interleaved ... initial and final (linear) distributions sets up oscillations in the winding According to Weed’s principle [17], a winding will be nonoscillating if the capacitive (initial) and inductive (final) ... terminals of secondary and tertiary windings when the primary winding is subjected to the impulse condition in a three-winding transformer In [38,39], surge transfers in three-winding transformers...
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