Application Problems Practice Exam at End of School (Uas) in Senior High School 2 Pamulang Using Macromedia Flash 8

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Implementation of Radio-Frequency Deflecting Devices for Comprehensive High-Energy Electron Beam Diagnosis

In next-generation light sources, high-brightness electron beams are used in a free-electron laser configuration to produce light for use by scientists and engineers in numerous fields of research. High-brightness beams are described for such light sources as having low transverse and longitudinal emittances, high peak currents, and low slice emittance and energy spread. The optimal generation and preservation of such high-brightness electron beams during the acceleration process and propagation to and through the photon-producing element is imperative to the quality and performance of the light source. To understand the electron beam's phase space in the accelerating section of a next-generation light source machine, we employed radio-frequency cavities operating in a deflecting mode in conjunction with a magnetic spectrometer and imaging system for both low (250 MeV) and high (1.2 GeV) electron energies. This high-resolution, high-energy system is an essential diagnostic for the optimization and control of the electron beam in the FERMI light source generating fully transversely and longitudinally coherent light in the VUV to soft x-ray wavelength regimes. This device is located at the end of the linear accelerator in order to provide the longitudinal phase space nearest to the entrance of the photon-producing beam-lines. Here, we describe the design, fabrication, characterization, commissioning, and operational implementation of this transverse deflecting cavity structure diagnostic system for the high-energy (1.2 GeV) regime

Phase Diagram and High Temperature Superconductivity at 65 K in Tuning Carrier Concentration of Single-Layer FeSe Films

Superconductivity in the cuprate superconductors and the Fe-based superconductors is realized by doping the parent compound with charge carriers, or by application of high pressure, to suppress the antiferromagnetic state. Such a rich phase diagram is important in understanding superconductivity mechanism and other physics in the Cu- and Fe-based high temperature superconductors. In this paper, we report a phase diagram in the single-layer FeSe films grown on SrTiO3 substrate by an annealing procedure to tune the charge carrier concentration over a wide range. A dramatic change of the band structure and Fermi surface is observed, with two distinct phases identified that are competing during the annealing process. Superconductivity with a record high transition temperature (Tc) at ~65 K is realized by optimizing the annealing process. The wide tunability of the system across different phases, and its high-Tc, make the single-layer FeSe film ideal not only to investigate the superconductivity physics and mechanism, but also to study novel quantum phenomena and for potential applications.Comment: 15 pages, 4 figure

(4 MICROWAVE MEASUREMENTS OF AZIMUTHAL ASYMMETRIES IN ACCELERATING FIELDS OF DISK-LOADED WAVEGUIDES

This paper presents microwave measurements of azimuthal asymmctrics in the accelerating fields of the SLAC disk-loaded waveguide. These field asymmetries lead to RF phase-dependent beam steering which can be detrimental to operation of linear accelerators in general and of the SLAC Linear Collider in particular

Níveis de treonina digestível para suínos machos castrados, de alto potencial genético para deposição de carne, na fase de terminação Digestible threonine levels for high genetic potential lean deposition finishing barrows

Avaliou-se o efeito de níveis de treonina digestível em rações sobre o desempenho e características de cacaça de suínos machos castrados, selecionados geneticamente, para deposição de carne na carcaça, na fase de terminação. Foram utilizados 70 animais, com peso inicial de 59,00+1,25kg, distribuídos em delineamento experimental de blocos ao acaso, com cinco tratamentos, sete repetições e dois animais por unidade experimental, sendo que na distribuição dos animais, foi adotado como critério o peso inicial. Os tratamentos foram níveis de treonina na ração (0,480; 0,504; 0,528; 0,554 e 0,572% de treonina digestível). Não houve efeito (P>0,05) dos tratamentos sobre o ganho de peso, consumo de ração e conversão alimentar. Os níveis de treonina digestível não influenciaram (P>0,05) a porcentagem de carne e a espessura de toucinho na carcaça. Conclui-se que o nível de 0,480% de treonina digestível, correspondente a relação de treonina digestível:lisina digestível de 60%, atendeu as exigências de suínos machos castrados de alto potencial para deposição de carne na carcaça dos 60 aos 95kg.<br>An experiment was carried out to determine the effects of digestible threonine levels in ration on the performance and carcass traits of hogs genetically selected for lean deposition at finishing. Seventy barrows averaging an initial weight of 59.00+1.25kg were distributed in a randomized experimental block design with five treatments and seven replicates, being two animals per experimental unit. Initial weight was adopted as a criterion for animal distribution in the treatments, which were the levels of digestible treonine in the diet (0.480; 0.504; 0.528; 0.554; and 0.572%). No effect (P>0.05) was observed among the treatments on daily weight gain, daily feed intake, and feed conversion. Digestible threonine levels did not influence (P>0.05) lean and backfat thickness percentage. It can be concluded that the level of 0.480% of digestible treonine, corresponding to the rate digestible treonine:lysine 60%, supplied the requirments of high potential lean deposition barows from 60 to 95kg