... heat exchanger As with any SOFC system, the performance ofthe INER SOFC system is dependent not only on thedesignand operating conditions ofthe fuel cell stack, but also on thedesignand ... hydrogen and CO remaining in the off-gases following the oxidation process Thus, the combustor further limits the harmful emissions ofthe SOFC system Thedesign route is calculated beforehand by ... account for between 50% and 70% ofthe total system cost Due to the high operating temperature of SOFC, the material of all BOP components should own the resistant to thermal shock Ofthe various...
... output signal Set the gain to 10, and using the second channel ofthe oscilloscope, check that there is no phase difference between the signal atthe output ofthe ICIA and that atthe noninverting ... commonly present forthe application covered by the standard For example, thestandards issued by the Association forthe Advancement of Medical Instrumentation (AAMI) specify that electrocardiography ... electronic format Library of Congress Cataloging-in-Publication Data: Prutchi, David Designanddevelopmentof medical electronic instrumentation: a practical perspective ofthe design, construction, and...
... position ofthe moving platform, which can be easily solved in the closed form with the consideration of (1) and (2) On the other hand, given a set of actuated inputs, the moving platform position ... portions and placed at its two extremities Let mp , ms , and ml denote the mass ofthe moving platform, a nut and a leg, respectively Then, the equivalent mass ofthe nut andthe moving platform ... point of view, the simpler thearchitectureof a TPM, the lower will be the cost In view ofthe complexity ofthe TPM topology, including the number of mechanical joints and links and their manufacture...
... penetration data, a lack of understanding of their biological mechanisms and little clinical data Therefore, it is necessary to understand these chemical entities and investigate the performance of end ... schizandrins is limited to Schisandra Schizandrins are primarily located in the seeds ofthe fruit Schizandrol A is the main naturally-occurring derivative of schizandrins The systematic name of ... performance ofthe product The aesthetics (color, odor, feel, application, etc.) are the properties of a formulation that determine whether the consumer will continue to use the formulation as directed...
... the platform is raised out ofthe vat andthe excess resin is drained The scaffold is then removed from the platform, washed of excess resin and cured in a UV oven and finished by smoothing the ... intricate objects are fabricated because of absorption and scattering ofthe laser beam Therefore, the overall use of SLA in the biomedical industry is currently limited to thedevelopmentof anatomical ... its relative density, the properties ofthe material that made up the pore edges or walls andthe anisotropic nature, if any, ofthe solid Figure 2.3 represents the model of a honeycomb and an...
... measurement was then the sum ofthe responses ofthe material itself and that of a fluid phase being transported in and out ofthe solid phase through the pores The result was an increase ofthe apparent ... to the orientation of water-attracting groups outwards when the substrate is crystallized in contact with water The water contact angle is an indicator of free surface energy and depicts the ... PCL-PEG-PLC and PEG-PCL-PLA) demonstrated the homogeneity and consistency ofthe deposited microfilaments with very neat spatial arrangement of pores and channels when viewed in the Z-direction of the...
... ofthe polymer components The scaffold processing demonstrated in one hand, the efficacy ofthe DRBRP technique to process a wide range of biopolymers and on the other hand, the feasibility of ... interconnected and controllable pore channel The copolymer had the potential to modulate hydrophilicity and/ or degradability and consequently, the biomechanical properties ofthe matrices by varying the ratio ... research team that allowed designand fabrication of 3D scaffolds for tissue engineering applications This technique directly extruded the material from its granulated or any other form into 3D...
... Understanding ofthe melting behavior ofthe polymer is important to set an appropriate liquefier temperature for scaffold fabrication The thermal characteristics ofthe polymers before and after ... air extrudes the semi-molten material through the nozzle that is deposited onto a plastic platform below The heater had the temperature accuracy of up to 2°C andthe feed rate had the deposition ... a flat plastic platform After completion of fabrication the bulk scaffolds were removed from the plastic platform The corrugated edges (Figure 3.11) ofthe scaffold blocks formed due to the “U-turn”...
... evaluates the degradation behavior and kinetics ofthe scaffolds This study investigates mainly, the effect ofthe variation in material and laydown pattern on the degradation kinetics ofthe ... malfunction, one ofthe challenges in the field of tissue engineering is thedesignof various types of scaffolds that can mimic the structure and biological functions ofthe natural extracellular matrices ... tissues atthe site of implantation e) Be easily fabricated to form a variety of shapes and sizes In the early days of tissue engineering, FDA approved devices and implants made of polymers of synthetic...
... observation ofthe congestion situation ofthe current network The sender controls its data transmission by the minimum value of cwnd and rwnd to make sure that both the network andthe Chapter Data ... can handle the case of data packet out -of- order, duplicate, and can also inform the sender of possible data loss The sender uses the returned acknowledgements to determine which bytes in the stream ... coverage With the characteristics of SAN data traffic and network architecture, together with the simplicity and efficiency of Ethernet, we believe that there is less demand for data transport...
... torque and back EMF constants ofthe motor 𝑅𝑖 and 𝐿 are resistance and inductance ofthe motor 𝑇𝑚 is torque generated by the motor and 𝑈 is voltage applied to the motor 15 The summary ofthe equations ... focuses only on the balancing ofthe bicycle The other inputs to allow the translation ofthe bicycle are independent of these dynamics Whatever these translational motions are, the CMG will maintain ... and no zero in the uncompensatedfor system Figure 2.4 shows the pole and zero locations forthe uncompensated -for system There is a pole located on the right half plane which causes the system to...
... ports that are located atthe top and bottom side ofthe enclosure for vapor inlet and outlet The rest three that are attached to the bottom plate of enclosure are for a temperature sensor (YSI ... cooling water and water for regeneration is controlled by two water baths, one for cooling andthe other for heating The cooling temperature is set as 15oC andthe heating temperature is set as ... shows the experimental temperature histories ofthe reactors (the adsorber andthe desorber), condenser, evaporator andthe load forthe cyclic steady state operation atthe standard operating...
... the material limitation in achieving the desired mechanical strength and surface properties ofthe natural ACL [10,19] Nonetheless, a major factor in the failure of all of these treatments is the ... because they compress and lose their shape when hydrated The resorption rate, which is on the order of days to weeks may be too fast to allow adequate formation of tissues like cartilage and liver ... fabrication and bioreactor design I very much appreciate the efforts of Ms Julee Chan, senior lab officer in histology, for providing valuable information while performing histological analysis of...
... the lowest parasitic capacitance to substrate Salicide is a material used to reduce the resistance ofthe polysilicon and is used atthe polysilicon atthe gate ofthe transistor DesignandDevelopment ... impact ionization atthe drain Both holes and electrons are injected to the gate and across the drain junction below the substrate surface DesignandDevelopmentof a CMOS Power Amplifier for Digital ... substrate loss compared to other semi-insulated substrate like GaAs, InP and etc Substrate loss is a result of capacitive coupling and inductive coupling to the substrate As a Designand Development...
... automatic machines for thousands of years; thedevelopmentof robotics has been exploited atthe end ofthe last century After decades of hype and disappointment, (1980s and 1990s) robots are at ... Reference of Dorothy [41] Figure 17 is the 2D simulation of Dorothy including the measurements of its face: the percentage ofthe forehead region, feature region, and chin region, the size ofthe eyes, ... developed The advantage of latter is that there is no restriction according to thedesign parameters like head size or shape This fact reduces the effort for mechanical construction On the other hand,...
... communication, navigation computation and a platform for further developments (such as the attachment of a camera for vision processing) and collision detection so that the robot will be aware that ... in thedesignand details ofthe various parts be it the screws, dimensions and materials The three actuators are located on the lower platform and three profiled aluminum bars acts as both the ... the addition of a bearing atthe end ofthe motor shaft andthe placement ofthe actuator unit below the lower platform, seen in Figure 6(b) This would allow greater clearance between the platform...
... The thesis presents the work done in creating the mobile base for Tele-tubby andtheintegration into the robot A literature review ofthe relevant topics is conducted in Chapter Thedesignand ... require mathematical models to reduce the complexity of control to such the human operator can handle Other consideration for mobility optimization includes the efficiency ofthe system, generating ... modelling and control: The goal of kinematic analysis is to calculate the position, velocity and acceleration of all the linkages without consideration ofthe forces causing the motion Specifically for...
... quality One ofthe very significant factors forthe better performance of optical elements is the form accuracy ofthe lenses it uses In practice, the machined part dimension deviates from the desired ... explains the procedures ofthe experiments There is a brief description ofthe different standard instruments used for measurement in this study Chapter presents different informations gathered by the ... 1985 forthe application of abrasive cut-off of ceramic The structural ceramics are highly difficult to grind due to its hard and brittle nature Normally for grinding harder materials, the softer...
... algorithm and has no knowledge ofthe content of other components There is no peer to peer communication among the components and, the sharing of data and information is facilitated by the central database ... gratitude to the members ofthe Command and Control group forthe STARFISH project for being so helpful through the project period Not forgetting the members of Control and Simulation Laboratory ... design, andthedevelopmentof control and software architectures for mobile robot and AUVs Chapter presents the novel control architecture developed forthe AUV’s C2 system Chapter illustrates the...
... distributed in the cost of substrate andthe assembly process Paper -based substrate is a promising candidate forthe low-cost substrate material .The high demand andthe mass production of paper make ... Return loss for mm thick paper and PET substrates In order to analyze the effect ofthe radiation pattern of these materials, the gain forthe S-shaped antenna has been plotted in Fig 3.15 forthe ... theoretical values of conductor and radiation losses This is done in order to isolate the dielectric loss αd since the ring resonator method gives the total loss atthe frequency locations ofthe resonant...