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The Northern ROSAT All-Sky (NORAS) Galaxy Cluster Survey I: X-ray Properties of Clusters Detected as Extended X-ray Sources

Boehringer, H.; Voges, W.; Huchra, J. P.; McLean, B.; Giacconi, R.; Rosati, P.; Burg, R.; Mader, J.; Schuecker, P.; Simic, D.; Komossa, S.; Reiprich, T. H.; Retzlaff, J.; Truemper, J. (2000)
In the construction of an X-ray selected sample of galaxy clusters for cosmological studies, we have assembled a sample of 495 X-ray sources found to show extended X-ray emission in the first processing of the ROSAT All-Sky Survey. The sample covers the celestial region with declination $\delta \ge 0\deg $ and galactic latitude $|b_{II}| \ge 20\deg $ and comprises sources with a count rate $\ge 0.06$ counts s$^{-1}$ and a source extent likelihood of 7. In an optical follow-up identification p...

Psychoanalytische Diagnostik und pädagogischer Alltag

Bürgin, Dieter; Meng, Heiner (2000)
Die Umsetzung der während des diagnostischen Prozesses gewonnenen psychodynamischen Erkenntnisse in angemessene pädagogische Vorgehensweisen setzt einen ungestörten interdisziplinären Dialog im Behandlungsteam voraus. Die im so strukturierten pädagogischen Handeln gewonnenen Erfahrungen entsprechen einem konstanten Verifizieren oder Falsifizieren der Diagnostik. Sie sagen Wichtiges aus über die Qualität der anfänglichen Einschätzungen und liefern frische Informationen, die in schlaufenförmige...

横等方性円環厚板の平面応力および一般化平面応力状態に対する軸対称解とそれらの曲げへの応用

奥村, 勇; 相田, 雅輝; I., Okumura; M., AITA (2000)
Axi-symmetric solutions to a state of plane stress and to a state of generalized plane stress in transversely isotropic, thick annular plates are obtained. The two solutions are deduced from the generalized Elliot solution which has five independent potential functions. Expressions for components of displacement and stress are explicitly presented. Axi-symmetric bending of the plate subjected to a uniformly distributed annular load is analyzed by one method of solution in that a homogeneous s...

環境行動に関する包括的モデルについて

冨士原, 光洋; Koyo, FUJIHARA (2000)

Spark Ignition Energy Measurements in Jet A

Shepherd, Joseph E.; Krok, J. Christopher; Lee, Julian J. (2000)
Experiments have been carried out to measure the spark ignition energy of Jet A vapor in air. A range of ignition energies from 1 mJ to 100 J was examined in these tests. The test method was validated by first measuring ignition energies for lean mixtures of the fuels hexane (C6H6) and propane (C3H8) in air at normal temperature (295 K) and pressure (1 atm). These results agree with existing data and provide new results for compositions between the lean flame limit and stoichiometric mixtures...

Perancangan Termodinamik Sirkuit Gas Motor Stirling Fp150w dengan Metode Penskalaan (Scaling Method)

Soegihardjo, Oegik (2000)
In Bahasa Indonesia : Metode penskalaan (scaling method) merupakan salah satu alternatif yang dipakai untuk perancangan termodinamik motor baru (derivative engine). Dibandingkan dengan alternatif lainnya, metode penskalaan ini memiliki keunggulan tersendiri. Keunggulan pertama adalah proses perancangan bisa dilakukan dengan cepat. Keunggulan kedua adalah unjuk kerja secara termodinamik bisa dipredikisi dengan ketepatan yang baik. Penerapan metode penskalaan dalam perancangan termodinam...