design of catalyst additive and selection of metal oxides for the support
SYNTHESIZE AND INVESTIGATE THE CATALYTIC ACTIVITY OF THREE-WAY CATALYSTS BASED ON MIXED METAL OXIDES FOR THE TREATMENT OF EXHAUST GASES FROM INTERNAL COMBUSTION ENGINE
... choice and loading of the NM is a compromise between the required efficiency of the converter and the market price of the NM However, the application of noble metals for the treatment of exhaust ... based on metallic oxides Metal oxides are an alternative to NMs as catalysts for complete oxidation The most active single metal oxides for combustion of VOCs are the oxides of Cu, Co, Mn, and Ni ... reactant molecules on the semi-conducting surface; the formation of these is a function of the electronic properties of the solid, and the structure and kind of bonds (6) The catalyst surface is...
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Design of protein linkers for the controlled assembly of nanoparticles
... investigated Chapter 1.3 Outline of the thesis This thesis is composed of eight chapters Chapter describes the motivation and defines the objectives and scope of the work The current literatures relevant ... Furthermore, the interpretation of QCM-D signals (i.e frequency shift and dissipation shift), with the aid of AFM image analysis of the phage particles bound on the surface Chapter of the two metal ... control the transcription of the genes located at the downstream of promotors The N-terminus of LacI specifically and tightly binds to lacO, thereby blocking the access of RNA polymerase to the promoters...
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Design of LCL filters for the back to back converter in a doubly fed induction generator
... is the RMS value of fundamental current and Transforming the value C3r and R3r in delta connection into I(h) is the RMS value of the hth harmonic current RMS values the Y connection, and then ... ripple of I1 to 15%-25% of rated current [3] In Fig 1, the current I1 depends on the impedance of L1 (denoted as XL1) and the parallel impedance of L2 and C3 (denoted as XL2C3) The impedance of C3 ... shows the effectiveness of the LCL filter Fig Phase A currents on RSC side and the spectrum V CONCLUSION By analyzing the characteristic of the LCL filter, the constraints on designing the parameters...
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Design of piping systems for the food processing industry
... (SEM) for the inspection and photographic documentation of the surface finish (topography) Roughness measurements for the documentation of Ra and Rz values and the recording of surface profiles, ... Hygienic Design of Liquid Handling Equipment for the Food Industry The guideline is quite comprehensive and contains hygienic design of equipment for the production of liquid products such as milk and ... several norms/standards for the certification of welders and welding operators, the design and approval of welding procedure, and for welding requirements (acceptance levels for welding defects)...
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Báo cáo khoa học: Design of expression vectors for RNA interference based on miRNAs and RNA splicing potx
... strategy for inserting specific artificial miRNA sequences into the targeting vectors The terminal regions of the arms of the miR155 (A) and miR30 (B) vectors are shaded, and their stems designed ... The pSM155 and pSM30 vectors generate efficient knockdown of target proteins To examine the efficiency of generation of RNAi for pSM155 and pSM30, we examined the knockdown of expression of firefly ... inserted the miR155 and miR30 artificial miRNA-expressing cassettes into a chimeric intron composed of the 5¢ donor site from the first intron of the human b-globin gene and the branch and 3¢ acceptor...
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ADSORPTION OF pb AND cd ONTO METAL OXIDES
... besides the target materials NH2OHÁHCl removed 71% of the bio®lm Mn, but also removed 14% of the Fe, 39% of the Al and 32% of the organic material (Table 2) Na2S2O4 removed 83 and 92% of the Fe and ... desorption and/ or readsorption of metals from other components By determining metal adsorption isotherms for composite surface coatings before and after extraction, the adsorptive role of the removed ... 71 and 83%, but signi®cant amounts of metal oxides and organic materials other than the target components were also removed by the extractants (up to 39%) Because of this, the amount of Pb and...
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the role of morphology and crystallographic structure of metal oxides
... Figs and 20 It is clear that the width of the necks determines the height of the potential barrier for current carriers, while the length of the necks determines the depletion-layer width of the ... density of electrons in the conduction band 2.4 The role of morphology and porosity of metal oxides 2.4.1 Grain networks, porosity, and the area of inter-grain contacts From an analysis of the numerous ... active sites for the nucleation and growth of Au clusters The size of clusters also depends on the nature of deposited metal For example, in Ref [225], analyzing the behavior of Pt and Pd atoms...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 2 potx
... one is still a matter for the judgment of the designer and requires analysis and iteration to optimize the design Often the available equations are fewer than the number of potential variables, ... the control of the "bucket" on a bulldozer The bucket must assume a set of positions to dig, pick up, and dump the excavated earth Conceptually, the motion of a line, painted on the side of the ... will get the most insight into your design' s quality for the least effort by making, articulating, and studying the model These general observations will hold for most of the linkage synthesis...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 3 pot
... solve for the coordinates of vectors W, Z, D, and S, which define not only the lengths of those links but also the locations of the fixed pivots Oz and 04 in the plane and the lengths oflinks and ... "A Study of the Solvabilityof the Position Problem for Multi-CircuitMechanismsby Wayof Example of the Double Butterfly Linkage." Journal of Mechanical Design, 118(3), p 390 Chase, T R., and J A ... by the rotation of the input rocker, link 2, through an as yet unspecified angle ~z Note also that the angle of the coupler link at each of the precision positions is defined by the angles of the...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 4 pptx
... solve for 004, the angular velocity of link 4, and also for the velocity of slip at the joint labeled A In Figure 6-18 the axis of slip is shown to be tangent to the slider motion and is the line ... referenced to the origin of the global coordinate system The right side defines it as the sum of the absolute acceleration of some other reference point A in the same system and the acceleration ... fixed centrode and the circumference of the tire is the moving centrode The tire is, in effect, the coupler of a linkless fourbar linkage All points on the contact surface of the tire move along...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 5 pps
... PRESSURE ANGLE The pressure angle is the angle between the direction of motion (velocity) of the follower and the direction of the axis oftransmission.* When = 0, all the transmitted force goes ... of automated production machine is typically limited by the dynamic forces which are due to accelerations and decelerations of the mass of the moving parts of the machine and its workpieces The ... defined as the smallest circle which can be drawn tangent to the locus of the centerline of the follower as shown in Figure 8-39 The locus of the centerline of the follower is called the pitch...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 6 potx
... shows the free-body diagram of the system acted upon by the cam force Fe, the spring force Fs, and the damping force Fd There will of course also be the effects of mass times acceleration on the ... baseball or softball with the wrong spot on the bat The "right place on the bat" to hit the ball is the center of percussion associated with the point that your hands grip the bat (the center of rotation) ... dynamic forces Then we will have to go back to our original assumptions about the shapes, sizes, and materials of these parts, redesign them, and repeat the force, stress, and deflection analyses Design...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 7 potx
... side of a standard tennis court over the net such that they land and bounce within each of the three court areas defined by the court's white lines The order and frequency of a ball's landing ... mechanisms comes in the determination of the shapes and sizes of the members In addition to the kinematic data, the force computation requires only the masses, CG locations, and mass moments of inertia ... the local CG of each separate part of your built-up link In our example link these parts would be the two hollow cylinders and the rectangular prism Find the location of the composite CG of the...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 8 ppsx
... side of a standard tennis court over the net such that they land and bounce within each of the three court areas defined by the court's white lines The order and frequency of a ball's landing ... mechanisms comes in the determination of the shapes and sizes of the members In addition to the kinematic data, the force computation requires only the masses, CG locations, and mass moments of inertia ... the local CG of each separate part of your built-up link In our example link these parts would be the two hollow cylinders and the rectangular prism Find the location of the composite CG of the...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 9 docx
... significant forces are developed both on the pivot pins and on the ground plane due to the gas forces and the inertia and shaking forces Balancing will not have any effect on the gas forces, which ... along the length of the balance shafts/crankshaft being designed The magnitude and angular locations of the balance masses can then be calculated by the methods described in the noted sections of ... balancing the rotating mass is the force due to the acceleration of the piston and conrod masses at point B of Figure 13-23 which are in linear translation along the X axis, as shown by the inertia force...
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DESIGN OF MACHINERYAN INTRODUCTION TO THE SYNTHESIS AND ANALYSIS OF MECHANISMS AND MACHINES phần 10 docx
... on the continuity of the cam design at the segment interfaces The values of each function at the beginning and end of each segment are grouped together for easy viewing The fundamental law of ... the engineering judgment of the user The theory and mathematics on which this program is based are shown in Chapters 13 and 14 of this textbook Please consult them for an explanation of the theory ... out the cam surface The pitch curve is drawn along the locus of the roller follower centers The radial lines that form pieces of pie within the base circle represent the segments of the cam If the...
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design, synthesis, and biological evaluation of new anti-cancer nitrogen-containing combretastatins and novel cysteine protease inhibitors for the treatment of chagas
... Cook and Andrea Johnson for all their help during these years My special gratitude to Mrs Beth Walker and other staff members at the office of the International Student and Scholar Services for ... because they are gaps in the cell cycle that come between the time of chromosome division and the time of chromosome replication The S stands for synthesis of DNA, and finally the division phase is ... cycle of the parasite and plays an important role in the survival of the microorganism.9 Inhibition of cruzain activity will result in death to the parasite and will therefore halt or control the...
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Analysis of Closed-Loop Performance and Frequency-Domain Design of Compensating Filters for Sliding Mode Control Systems
... 4, and does not require involvement of the filtering hypothesis Let us formulate that as the following theorem, the proof of which is given as the formulas above Theorem For the existence of a ... (chattering) is therefore the condition of absence of points of intersection of the LPRS and of the real axis (except the origin), which is addressed by the following theorem Theorem If the transfer ... ) have the form (13) and (14) respectively, we obtain the final formula of Im J(ω) Having put the real and the imaginary parts together, we can obtain the final formula of the LPRS J(ω) for type...
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Characterization and design of CMOS components for microwave and millimeter wave applications
... bandwidth, to determine the relationship of the center frequency insertion loss and the 3-dB bandwidth of the filters for the adopted CMOS process All of the research work presented in this thesis ... modeling of the impact of metal dummy fills on the microwave behavior of spiral inductors, and the design of line resonators and filters at 60 GHz and 77 GHz in a 0.18-µm CMOS process To investigate the ... characterize the influence of the floating metal dummy fills on the microwave behavior of on-wafer spiral inductors, and to develop a methodology for designers to update the existing models of the conventional...
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DESIGN AND CONSTRUCTION OF BIOSENSING PLATFORMS FOR THE DETECTION OF BIOMARKERS
... (Os-RP), and the other is a novel ruthenium complex-tethered redox polymer (Ru-RP) The biosensing membranes are formed through the co-immobilization of glucose oxidase (GOx) and the mediators on the ... the separation of the fluorophore and the quencher, resulting in the restoration of the fluorescence.129, 130 Alternatively, other than the direct modification of substrate DNA, fluorophore and ... overview of various kinds of recognition receptors used in biosensors is available.7 On the other hand, the role of the transducer is to transform the biorecognition event resulting from the interaction...
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