نتایج جستجو برای: booster reflector
تعداد نتایج: 9044 فیلتر نتایج به سال:
According to the deformation and movement requirements of the FAST reflector, a multipurpose analysis, including the load-bearing behavior, deformation, construction costs of the reflector supporting structure and its model, is presented in this paper. The advantages and disadvantages of steel and aluminum alloy structures are also discussed and compared through detailed design calculations und...
We have successfully prepared anodized alumina membrane distributed Bragg reflector (DBR) using electrochemical anodization method. The transmission peak of this distributed Bragg reflector could be easily and effectively modulated to cover almost any wavelength range of the whole visible spectrum by adjusting anodization temperature.
We have proposed and fabricated a new mid-infrared reflector using the guided-mode resonance (GMR). The GMR reflector consists of subwavelength Ge grating on GaAs substrate with a low-refractive-index SiOx layer in between. With a total thickness of about 2 μm, a near-100% reflectivity at 8 μm has been obtained both theoretically and experimentally.
A millimeter wave antenna measurement system is presented. The frequencies of operation are around 100 GHz and 300 GHz (W/J Bands). The facility is a single reflector compact range system. Design tasks deal with the serrated reflector and the corresponding millimeter wave instrumentation design.
BACKGROUND Streptococcosis is an important disease of tilapia throughout the world. In Malaysia, streptococcosis outbreak was commonly reported during the 3-month period of high water temperature between April and July. This study describes the duration of protection following single and double booster dose regimes against streptococcosis in tilapia using a feed-based vaccine containing formali...
A modern web-hosting site is designed to handle load that is sometimes an order of magnitude greater than the average load. Such a site can be expensive and is underutilized most of the time. We describe a design and performance study of the web booster architecture, which reduces web server load during peak periods. A web booster, inserted between client and server, instantaneously decreases s...
The results of the administration to healthy beagles of a secondary antigenic stimulus (booster dose) of Leptospira canicola and infectious canine hepatitis virus (ICH) are reported. Twelve previously vaccinated animals were used. Six were exposed to a 335 r dose of x-irradiation. Three controls and three irradiated dogs received the booster dose two days after the irradiation and the remaining...
OBJECTIVE Work breaks are underutilized opportunities to promote health. The Booster Break program is a co-worker led physical activity group session devoted exclusively to standard 15-minute work breaks. The purpose of this study was to report the fidelity, attendance, feasibility, and sustainability of the Booster Break program and to explore its potential impact. PARTICIPANTS The study sit...
専攻科電子工学専攻におけるPBL教育について 皆本佳計*、横山隆志*、 * 新居浜工業高等専門学校 電気情報工学科 新居浜工業高等専門学校紀要(特定論文) 第 51 巻 pp1-4 平成 27 年 1 月 PBLとは、Project Based Learning(プロジェクト・ベースト・ラーニング)の略称であり、日本語では 「プロジェクト型学習」や「問題解決型授業」などと訳されることが多い。PBLは、 課題の解決を目的と し、それをチームの力によって課題を解決することや受講者の自主性・自律性を重んじることなどで、従 来の教育手法では育成が難しかった問題解決能力を効率的に育成することが可能な教育手法して注目を集 めている。専攻科電子工学専攻では、技術者に必要な倫理観とシステムデザイン能力を身につけ、ものづ くりを通して社会貢献できる人材を育成することを目標としている。これを実現するため...
Flat reflectors which have lower price compared with parabolic ones are used in Fresnel concentrator. Each Fresnel collector is comprised of a few flat reflectors which are placed parallel to each other near the ground. If effective width of flat reflectors is more than absorber tube diameter, reflected rays will be partly lost, hence low optical efficiency. By installing a secondary reflector ...
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