modeling of mass exchange units for environmental applications

... 1 A lack of technical information regarding breaker performance Billions of MCCBs have been installed for AC applications MCCBs for AC applications are well understood and field test equipment ... type of trip unit The response of magnetic trip units isdiscussed in the next section.3.2 MCCB Instantaneous (Magnetic) Trip Units Magnetic trip units protect against short circuits They are often ... described for MCCB magnetic trip units because the trip elements of LVPCBs are actuated by magnetic force Although a time-delay function is included in the design for LVPCB overcurrent trip units,

Ngày tải lên: 06/11/2019, 11:06

... point of view From all of the literature mentioned above, there are not so many designs of aware applications in sensor networks Moreover, most of them need the scenario information before the ... suitable model of WSNs in logistics to provide a means for sharing information between related sides of the goods flow as well as utilizing the capability of distributed computing A model of logistics ... positions of items 1.2 State of the art This section gives an overview of the state of the art concerning the relevant aspects of sensor networks presented in this thesis The limitations of the

Ngày tải lên: 31/01/2021, 23:30

... of the real exchange rate on aggregatedemand However, it does not include a direct effect of foreign demand for exports in theoutput gap equation, nor does it allow for a direct effect of the exchange ... Thepronounced left tails of the distributions indicate an increased incidence of deep recessionsand deflationary periods For example, for an i ∗ of 1% the probability of a recession of at least -1.5 times ... role of base money and of the nominal exchange rate as instruments of monetary policy An alternative benchmark that could be used instead ofTaylor’s original rule are the estimated variants for

Ngày tải lên: 22/03/2014, 23:20

... the aforementioned limitations of self-cured composites have led to the development of light-activated composites that offer the advantages of controlled working time and the elimination of time ... light-curing units One example in the application of this type of epoxy resins is that of epoxy-polyol mixtures While water sorption for these new resins was found to be slightly higher than that of traditional ... advances of dental composites for reduced shrinkage with good mechanical properties and enhanced clinical performances have been made in the area of nanotechnology for the development of dental

Ngày tải lên: 14/09/2015, 18:35

... CHARACTERIZATION OF “NON-SHRINKING” NANOCOMPOSITES FOR DENTAL APPLICATIONS SOH MUI SIANG (BSC, BSc(Hons), MSC), NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF RESTORATIVE ... reaction 34 of trialkoxy- or trichlorosilanes 40 DPGAEM and 2 equivalents of VCE) 55 DPGAEM and 4 equivalents of VCE) 57 DPGAEM and 6 equivalents of VCE) 59 for the assessment of polymerization ... thank Associate Professor Jennifer Neo Chew Lian, Head of Restorative Dentistry, National University of Singapore for the opportunity and support given to me throughout the course of my postgraduate

Ngày tải lên: 14/09/2015, 18:35

... presence of fixed amount of anti-IgG grafted in agarose substrate. Measurement of the diameter of 37 the ring of precipitate formed is then compared with standard to read off the concentration of ... high throughput, multiplex platform for specific screening of biomolecules by incorporating capabilities from microfluidics. It has been known that usage of microfluidic protocol saves time in fabricating ... immobilization area of different capturing antibody. Multiple types of screening and higher numbers of repeats can, therefore, be done on a single substrate for a small volume of sample. This is

Ngày tải lên: 04/10/2015, 15:52

... 3TABLE OF CONTENTSACKNOWLEDGMENT II TABLE OF CONTENTS III ABSTRACT V LIST OF TABLES VI LIST OF FIGURES VII LIST OF ABBREVIATIONS VIII 1 INTRODUCTION 1 1.1 Applications of SVM in bioinformatics ... specificity of 83.5% and 90.6% respectively.63 The performance of SVM for the classification of liquid chromatography/time-of-flight (LC/TOF) MS metabolomics data focusing on recognizing combinations of ... the availability of more diverse set of non-members than that of members, which enables SVM to perform a better statistical learning for recognition of non-members Prediction of protein-binding

Ngày tải lên: 13/10/2015, 15:57

... Fall off concentrations (Tween 20) of various concentrations of crosslinked surface bounded cy3-tagged protein G 55 Table 5.4: Fall off concentrations (Tween 20) of various concentrations of non-crosslinked ... high throughput, multiplex platform for specific screening of biomolecules by incorporating capabilities from microfluidics It has been known that usage of microfluidic protocol saves time in ... immobilization area of different capturing antibody Multiple types of screening and higher numbers of repeats can, therefore, be done on a single substrate for a small volume of sample This is

Ngày tải lên: 13/10/2015, 15:57

... Trang 1FOR TORQUE CONTROLZHENG QING NATIONAL UNIVERSITY OF SINGAPORE 2003 Trang 2FOR TORQUE CONTROLZHENG QING (B Eng NCUT, CHINA) A THESIS SUBMITTEDFOR THE DEGREE OF MASTER OF ENGINEERING ... application of intelligent tools for SRMmodelling and high performance torque control An accurate nonlinear dynamicmodel is the basis for further investigations of the SRM In this thesis, two classes of ... the initialstage of development of AC motors, they were used for constant speed drives be-cause of lack of variable frequency AC supply during that period With the advent mo-of high speed power

Ngày tải lên: 26/11/2015, 12:39

... section of tubing Density of gas Diameter of particles Drag force Drag force coefcient Dynamic viscosity of gas Equivalence ratio (excess air ratio) Minimal residence time Parameter for drag force ... optimized for the production of syngas, which is applicable in downstream synthesis reactors, e.g for fuel production Detailed analyses of tars formed during pyrolysis and gasication of biomasses ... demonstrated A short review of studies prepared for entrained-ow gasication of biomass since 2006 points out the state of the art and most important ndings The concentrations of H2, CO, CO2 and N2

Ngày tải lên: 02/08/2016, 09:35

... Design of Effective Gamification Experiences for Mobile Applications and Devices Zachary'Fitz,Walter' BIT!(Hons!1)!&!BCI!Comm.!Design! ! ! ! ! Submitted!in!fulfilment!of!the!requirements!! for!the!degree!of!Doctor!of!Philosophy! ... Submitted!in!fulfilment!of!the!requirements!! for!the!degree!of!Doctor!of!Philosophy! ! ! Written!under!the!supervision!of! Assoc.!Prof.!Dian!Tjondronegoro!! &
 ! Assoc.!Prof.!Peta!Wyeth! ! ! ! ! ! Science!and!Engineering!Faculty! ... iterative! process! of! evaluation.!The!thesis!begins!with!the!proposal!of!an!initial!framework,! grounded!in!literature!and!used!as!a!basis!for!the!design!of!a!gamificaP tion! experience! for! university!

Ngày tải lên: 07/08/2017, 11:32

... real experiments, for example, an isolated study of external mass transport in the case of porous particles is not possible Real experiments for the determination of external mass transfer coefficients ... and cost of capital equipment and in energy used to achieve a complete conversion of reactants Since reactor costs are often less than 10% of the capital investment, the combination of a relatively ... tricky interplay of mass transport and chemical reactions, complex process chemistry and thermodynamics For all these reasons, the design of RS columns is more sophisticated than that of traditional

Ngày tải lên: 13/05/2022, 15:57

... a part of the evaluation effort because of the significance of the web and web-based applications It is clear that the web is rapidly becoming the primary method for the exchange of information ... semantics Exchange of bioinformatics ontologies will be simplified if the community can agree on a relatively small number of such exchange forms - ideally, on one form This paper reports on an effort ... in a number of ways with varying degrees of formality One prevailing definition of an ontology is a specification of a conceptualization that is designed for reuse across multiple applications

Ngày tải lên: 19/10/2022, 03:16

... routes Mechanical alloying of soft and low melting point metals such as Cu [1], Zn and Al [11] has been proved to result in the formation of large balls of material (instead of powder), but still ... for 5 wt.% of alumina content Trang 9(a) (b)Figure 18 (a) Hardness and (b) modulus for 2 wt.% of alumina content, for both creep and no creep protocol Figure 19 (a) Hardness and (b) modulus for ... used for fabri-cation of copper composites containing 0–3 wt.% Al2O3 The powders of Cu-Al2O3composites were sintered in hydro-gen at temperatures of 800C and 900C Two different approaches of

Ngày tải lên: 04/12/2022, 15:45

... Dimensions of the rubber model for uniaxial tension test (mm) Fig 9 Rubber model for uniaxial tension test and its deformed shape under tension force Fig 10 Dimensions of the rubber model for the ... following measurements and a thickness of 2 mm was used (Forni et al 2002) (Fig. 10) All the stages of modeling and analysis of this model are the same as those of the rubber under uniaxial tension ... energy functions for the first type of rubber in LRBs Table 10 Coefficients of the strain energy functions for the second and third types of rubber in LRBs Table 11 Amount of error in calculating

Ngày tải lên: 17/05/2023, 18:23

... attractive forces between molecules of that substance The water solubility of a compound is related to the strength of the attractive forces between molecules of water and molecules of the compound ... properties often can be estimated from the chemical structure of the pollutant Whenever possible, this book will offer “rules of thumb” for estimating pollutant properties I MPORTANT P ROPERTIES OF W ... processes are the tools of environmental protection The effectiveness of these processes depends on properties of the pollutant and its water and soil environment Important properties of pollutants can

Ngày tải lên: 11/08/2014, 13:21

... measurement, for exchange between chemical species The exchange of hydrogen ions changes the chemical properties of the species between which the exchange occurs. 3 pH is a measure of [H + ], the ... entry in a units field An alternate and useful form ofEquation 3.6 is: 2 The concentration of H + in water solutions is an indication of how many hydrogen ions are available, at the time of measurement, ... the availability of protons (H+ ions) forexchange between chemical species When H+ ions are exchanged, the acid or base properties of thespecies are changed When electrons are exchanged, the oxidation

Ngày tải lên: 11/08/2014, 13:21

... SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL & BIOMOLECULAR ENGINEERING NATIONAL UNIVERSITY OF SINGAPORE 2013 Acknowledgements First and foremost, I would like to offer ... MODIFICATION OF FERROMAGNETIC NANOPARTICLES FOR SEPARATION OF TOXIC HEAVY METALS AND ENVIRONMENTAL APPLICATIONS ZAYED BIN ZAKIR SHAWON B.Sc (Chemical Engineering) Bangladesh University of Engineering ... characterization of magnetic nanoparticles 118 5.3 Adsorption of Pb2+, Cd2+ and Ni2+ ions 122 5.3.1 Effects of pH 122 5.3.2 Effects of ionic strength 124 5.3.3 Effects of temperature...

Ngày tải lên: 08/09/2015, 19:41

... temperature of a stream are known constants     Figure 4.1 Multi-stage superstructure for each stream in WEN synthesis  70    Chapter Work Exchange Networks Synthesis 4.3 MINLP Formulation for a Fixed ... stage, we set vsk = for I+1 ≤ s ≤ S=I+J and ≤ k ≤ Ks While we not use these as optimization variables in our model, we still keep them in our formulation for the sake of uniformity Since we are ... various units The costs of heaters and coolers depend on the streams and are linear functions of their duties The costs of valves and utility movers depend on the streams and are linear functions of...

Ngày tải lên: 13/10/2015, 16:41

... we formulate the model for feed stream exchanging energy with three different refrigeration cycles Second, we formulate model for PR cycle Third, we formulate model for MR cycle Fourth, we formulate ... aforementioned diverse situations through the generation of sets of optimal operating conditions for different scenarios This indicates the potentiality of this model to form the groundwork for ... both vapor and liquid streams, we only describe formulation for vapor stream Enthalpy of any MR vapor stream comprises of three terms: ideal heat of formation Hfv, ideal gas enthalpy Hidv, and departure...

Ngày tải lên: 13/10/2015, 16:41