981 resultados para Set-up


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This paper demonstrates an optimal control solution to change of machine set-up scheduling based on dynamic programming average cost per stage value iteration as set forth by Cararnanis et. al. [2] for the 2D case. The difficulty with the optimal approach lies in the explosive computational growth of the resulting solution. A method of reducing the computational complexity is developed using ideas from biology and neural networks. A real time controller is described that uses a linear-log representation of state space with neural networks employed to fit cost surfaces.

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info:eu-repo/semantics/nonPublished

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The design of a new apparatus, named FANTASIO, for studying jet-cooled molecules is described. It includes, around the same supersonic expansion cell, a high resolution Fourier transform spectrometer with single or multipass optics, a tunable diode laser spectrometer with optional cavity ring-down facilities, and a quadrupole mass spectrometer. Performance and operational procedures are illustrated.

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A system comprised of a Bomem interferometer and a LT3-110 Heli-Tran cryostat was set up to measure the reflectance of materials in the mid-infrared spectral region. Several tests were conducted to ensure the consistency and reliability of the system. Silicon and Chromium, two materials with well known optical properties were measured to test the accuracy of the system, and the results were found to be in good agreement with the literature. Reflectance measurements on pure SnTe and several Pb and Mn-doped alloys were carried out. These materials were chosen because they exhibit a strong plasma edge in the mid infrared region. The optical conductivity and several related optical parameters were calculated from the measured reflectance. Very low temperature measurements were carried out in the far-infrared on Sn9SMn2Te, and the results are indicative of a spin glass phase at 0.8 K. Resistivity measurements were made at room temperature. The resistivity values were found, as expected, to decrease with increasing carrier concentration and to increase with increasing manganese concentration.

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A system comprised of a Martin-Puplett type polarizing interferometer and a Helium-3 cryostat was developed to study the transmission of materials in the very-far-infrared region of the spectrum. This region is of significant interest due to the low-energy excitations which many materials exhibit. The experimental transmission spectrum contains information concerning the optical properties of the material. The set-up of this system is described in detail along with the adaptations and improvements which have been made to the system to ensure the best results. Transmission experiments carried out with this new set-up for two different varieties of materials: superconducting thin films of lead and biological proteins, are discussed. Several thin films of lead deposited on fused silica quartz substrates were studied. From the ratio of the transmission in the superconducting state to that in the normal state the superconducting energy gap was determined to be approximately 25 cm-1 which corresponds to 2~/kBTc rv 5 in agreement with literature data. Furthermore, in agreement with theoretical predictions, the maximum in the transmission ratio was observed to increase as the film thickness was increased. These results provide verification of the system's ability to accurately measure the optical properties of thin low-Tc superconducting films. Transmission measurements were carried out on double deionized water, and a variety of different concentrations by weight of the globular protein, Bovine Serum Albumin, in the sol, gel and crystalline forms. The results of the water study agree well with literature values and thus further illustrate the reproducibility of the system. The results of the protein experiments, although preliminary, indicate that as the concentration increases the samples become more transparent. Some weak structure in the frequency dependent absorption coefficient, which is more prominent in crystalline samples, may be due to low frequency vibrations of the protein molecules.

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A recorded version of Adam Procter's show induction for students that due to legitimate reasons where unable to attend this compulsary setting - once viewed an email should be sent to adam.procter@soton.ac.uk to confirm you have watched, understand and will comply with the information presented.

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This video shows how to create a Landscape Section in a Word 2010 file. Users of Word 2013 will find the steps almost identical. Users of Word 2011 for Mac will find this useful, steps can be found in the Word 2011 Sections manual. See how to: • Create a Landscape section • Set up margins for the Landscape section • Create Headers and Footers that retain the orientation of the text in Portrait section

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This video shows how to: • Set up Headers for each section, on the outside edge for both odd and even pages • Set up Footers with Page Numbering, on the outside edge for both odd and even pages Although this video shows the steps in Word 2010, the steps are virtually the same in Word 2013. Those using Word 2011 for Mac will find this useful and can find the details of where buttons are located in the Word Section manual.

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This video shows how to ensure the document: • has mirror margins that alternate on left and right hand pages • is A4 in size • has margins that are in-line with the regulations • has its major sections starting on the right hand (odd numbered) page Although this video shows how to perform these tasks in Word 2010, they are virtually identical in Word 2013. In Word 2011 for Mac the steps are very similar and precise details can be found in the Word 2011 Sections manual.