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Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx
... of the Electrics for Space Application, Bologna (Italy) (1979) 7A [4] Dang Thi Thanh Thuy, Pham Van Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The ... we revealed that the bandwidth was quite wide and the amplifying coefficient has achieved the high value within the frequency range 905MHz-1060MHz (Fig 6a) [4] The signal at 1030 MHz was inputed ... network analyzer, the result was relatively similar to that of the simulink model Afterthat we have measured the characteristics of the power combiner using the Winkinson bridge The input amplitude...
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RESEARCH, DESIGN AND FABRICATION OF DIGITAL INFORMATION TRANSIMITER WORKING IN THE VHF BAND
... digital output signal is a binary signal having the same polarity as the input signal from the comparator at the time of the clock signal The digital output signal is also the digital output of the ... if the analog input signal is greater than or equal to the analog feedback signal at the instant of the sampling.For this value of the digital output signal ,the pulse amplitude modulator(PAM) amplies ... acts as a sampler which clocks the digital error signal from the comparator at the specified data signaling rate and stores the current samples and two previous samples of the error signal The...
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Hwang raw, design and planning of the balanced scorecard a case study rubber in taiwan
... M. -H Hwang and H Rau / Design and planning of the balanced scorecard 221 Fig Company P vision “20103100” Implementation of the balanced scorecard 4.1 Strategy planning and process Rather than using ... translating strategy into action, and its core value is achieving the company vision and strategy The key objective is to transform company M. -H Hwang and H Rau / Design and planning of the balanced ... technologies Managers seek a balance between financial and other performance Christopher [5] emphasized that traditional performance evaluation cannot help teams understand their operations and capacities,...
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Design and analysis of the intake system of a formula SAE car
... dynamic package of the race car, as well as avoid areas where heat can be trapped, such as around the exhaust headers or behind the radiator For the configuration of the FSAE race cars, this ... Intake and Exhaust Valve Lifts As a derivation of the valve lifts, the cross-sectional area, created by the movement of the intake and exhaust valves, through which air flows in and out of the ... SUMMARY This study takes a look at the design process of the air intake system of the FSAE car Over the years, much of the design of this system had been carried out through an iterative trial and- error...
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Báo cáo khoa học: Relation between domain evolution, specificity, and taxonomy of the a-amylase family members containing a C-terminal starch-binding domain pot
... that separates the two major parts of the tree Note that the B stearothermophilus maltogenic a- amylase (Bacst) is placed in the ÔCGTase groupÕ of the tree This is, however, not surprising as the ... In the CGTase group, the major change concerns the archaeal CGTase from Thermococcus sp B1001 (Thcsp) that leaves the maltogenic a- amylase (Bacst) and joins the Klebsiella CGTase In general it ... maltotetraohydrolase, maltopentaohydrolase, maltogenic a- amylase, CGTase, and the acarviose transferase (which has, however, been assigned the same EC number as CGTase) While the first three enzymes are fourdomain...
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Assessment of the Content, Design, and Dissemination of the Real Warriors Campaign pptx
... out what the messages were for health professionals, further suggesting that this population—although clearly relevant to the issue of mental health—may be outside the scope of the campaign Other ... veterans, and their families understand that they are not alone in experiencing and dealing with mental health concerns and that resources for care and treatment are available and effective The campaign ... behavior is consistent with the Health Belief Model (HBM), which serves as the theoretical basis for the RWC and is discussed further in Chapter Two (Henshaw and Freedman-Doan, 2009) Although...
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MECHANICAL DESIGN AND CONTROL OF THE PENDUBOT potx
... balance of the Pendubot in the top position and Figure 8.2 shows the same for the mid position This chapter serves as a comparison for the actual data shown in the following chapter Position Angular ... This response data was then loaded into Matlab where the identification algorithm could be performed To approximate the integral on the left hand side of the least squares problem the backwards ... control, we designed the Pendubot to hang off the side of a table coupling link one directly to the shaft of the motor The mount and bearings of the motor are then the support for the entire system...
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Báo cáo hóa học: " Design and Fabrication of Fiber-Optic Nanoprobes for Optical Sensing" pdf
... the tip shape in the fabrication of high-quality nanoprobes The sidewall of the tapered end was then coated with a thin layer of metal, such as silver, aluminum, or gold to prevent light leakage ... nanometer accuracy This paper deals specifically with the metal coating on the formation of nanoaperture at the tip end Coating materials and angles greatly affect the quality of the nanoprobe ... leakage of the excitation light on the tapered side of the fiber An array of fiber probes was attached on a rotating motor inside a thermal evaporation chamber (Quorum Technologies E6700) The rotation...
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Báo cáo hóa học: " Research Article Design and Analysis of the First BOWS Contest" potx
... successful attack (a) , and after a successful attack (b) on the image Strawberry Note that in case of successful attack the thumbnail of the image shows the stamp “Passed,” and that the PSNR value achieved ... 5: The ten best results of the BOWS hall of fame, at the end of the two phases of the contest The attacks carried out in the second phase of the contest are the ones with the dates in Italic Date ... frequent kind of attacks that have been applied during the contest, and most of all, about the quality of the attacked images 4.1 Analysis of the attacks Though several kinds of attacks were applied...
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the first chapter will start with the introduction to the problem that mai dong mechanical company has been facing and also the research design and methodology of the research
... is happy with all information which he has gathered, the candidate is exactly the right person who the company is looking for At the interview, the appointing chairman shall ensure that the Interview ... MDC They again visualized the 11 vision and missions in any where applicable to help staff, agencies and communities to understand and gradually become the company culture They maintain high standards ... benefit analysis vi Chapter - Introduction The first chapter will start with the introduction to the problem that Mai Dong Mechanical Company has been facing and also the research design and methodology...
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Design and fabrication of microneedles for drug delivery
... was deposited A LPCVD phosphorus-doped polycrystalline silicon layer was deposited, patterned, and etched The polysilicon layer at the back side of the wafer was then etched away and a thin layer ... define the probe shank Sealing of the channel was accomplished using thermal oxidation, LPCVD deposited dielectrics, and an optional planarizing etch-back After sealing the microchannels and planarizing ... After the etched wafer was cleaned, a 1-2 µm oxidation layer was thermal growth onto the wafer The wafer with microholes was then anodic bonded with a Pyrex glass wafer The backside silicon was...
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Design and fabrication of superjunction power MOSFET devices
... resistance and Rwcml = Sum of bond Wire resistance, the Contact resistance between the source and drain Metallization and the silicon, metallization and Lead frame contributions These are normally ... can operate at higher frequency due to their smaller parasitic capacitances [9] They are easier to integrate in power integrated circuits, but they have lower current handling capability Chapter ... and practical alternatives to the SJ structure, their detailed theoretical and simulation analyses are of tremendous importance, but they are missing in the literature 1.4 Objectives One of the...
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Design and fabrication of bead based microfluidic device
... neutralising the charges on the surface of the channels or ensuring opposite charges between the bead and channel surface Gravitational force was negligible if the density of the bead was similar ... Gray-scale photolithography The key in gray-scale photolithography is the use of a gray-scale photomask that is obtained with electron-beam lithography on a chromium/glass mask This photomask ... fabrication of a mold by photolithography or machining The mold is then mounted on a machine with a planar polymer substrate and heated to the polymer’s glass transition temperature in a vacuum chamber,...
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Design and fabrication of III v semiconductor nanostructures by molecular beam epitaxy
... consists of three main vacuum chambers that are isolated from each other by a gate valve They are the load-lock/pre-treatment chamber, the transfer chamber and the growth chamber First, the load ... conduction band and mh is the effective mass of a hole in the valence band Thus by changing the size of the QD, R, the effective bandgap, changes 12 1.4 Templated semiconductor nanofabrication The trend ... region of Ga atoms which is determined by the balance between the diffusivity of Ga atoms and the trapping ability of As atoms The diffusivity and the trapping ability are regulated by the temperature...
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Design and fabrication of ferroelectric thin film based microwave miniature tunable devices
... impedance matching should also be maintained by examining the dimension of balun circuit The experimental results of the fabricated phase shifter agree well with the analysis At last, characterization ... electrons then oscillate within the electromagnetic field of the laser light and collide with the atoms of the target material By this means, energy of electrons are transferred to the lattice of the ... transfer of ablation materials, deposition of the ablated materials on the substrate, nucleation and growth of thin film on the substrate As the beginning, a high power pulsed laser beam, which could...
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THIẾT kế QUY TRÌNH CÔNG NGHỆ, CHẾ tạo CHIP cảm BIẾN GIA tốc KIỂU tụ BẰNG CÔNG NGHỆ VI cơ KHỐI DESIGN AND FABRICATION OF ACCELEROMETER SENSOR DEVICE USING BULK MICROMACHINING TECHNIQUE
... Mechanical Sensors 2004, Artech House, Inc [6] Mohamed Gad-el-Hak and others, “MEMS: Design and Fabrication , © 2006 by Taylor & Francis Group, LLC [7] Mark J.Jackson, Microfabrication and Nanomanufacturing, ... - Lần thứ IV Các bước thực thể theo h nh sau: Hai mô h nh giải tich cho cấu trúc gia tốc kiểu tụ h nh chữ thập MEMS Kết mô phần mềm Ansys Không th a Mô h nh giải tích tối ưu Th a tiêu chí tạo ... h i nghị khoa h c công nghệ toàn quốc khí - Lần thứ IV H nh Mô h nh toán h c h bậc tự Phân tích mô h nh toán h c để tìm thông số ảnh h ởng ảnh h ởng đến đến h , từ xây dựng quy trình thiết kế...
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The Design and Implementation of a Log-Structured File System
... log as the most up to date ‘‘truth’’ about the state of the data on disk The main difference is that database systems not use the log as the final repository for data: a separate data area is reserved ... of the five phases is shown separately Sprite LFS has a higher write bandwidth and the same read bandwidth as SunOS with the exception of sequential reading of a file that was written randomly ... this purpose The separate data area of these database systems means that they not need the segment cleaning mechanisms of the Sprite LFS to reclaim log space The space occupied by the log in a...
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Tài liệu The Design and Performance of a Real-time CORBA Event Service doc
... 11(B) shows an implementation of the Dispatching Module that allocates a real-time thread (or pool of threads) to each priority queue The advantage of this model is that the dispatcher can leverage ... to the real suppliers on one side of the channel and ual change, both across platforms and over time The specific as a proxy supplier to the real consumers on the other side components that make ... Scheduler has already guaranteed that its deadline will be met, based on the published parameters of each schedulable operation One advantage of our approach is that operation invocations only pay the...
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The Design and Implementation of a Sequence Database System * docx
... to allow’ queries that drill down and up the dimensions) There are also severalopen researchissuesin the design of systemsbasedon the E-ADT paradigm, and in extensions of the paradigm to handle ... a sequence hourly information on the high and low prices ,and the of As part of the type-check of the SQL query, the type of the volume of the stock tradedin eachhour SEQUN function is also checked ... systemimplementation basedon this paradigmallows sequence relational queriesto interact in a clean and extensible and fashion Wehavecomparedthe merits of our approachwith the alternative ADT-method approachused...
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