منابع مشابه
Research of Stabilizers Influence on Inner Sensitivity of Photographic Core-Shell Microcrystals
Photographic systems created on the basis of “core-shell” microcrystals are successfully used in scientific and practical purposes, since advantages, which such systems have allow to vary their properties over a wide range. However in the majority of cases “core-shell” systems are used as surface photosensitive microcrystals. Researches of an internal photosensitivity is connected to a number o...
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قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
15 صفحه اولOn stabilizers of infinite words
The stabilizer of an infinite word w over a finite alphabet Σ is the monoid of morphisms over Σ that fix w. In this paper we study various problems related to stabilizers and their generators. We show that over a binary alphabet, there exist stabilizers with at least n generators for all n. Over a ternary alphabet, the monoid of morphisms generating a given infinite word by iteration can be inf...
متن کاملQuantum Chemical Studies of Free-radical, Hindered Phenol Stabilizers
Quantum chemical investigations of the action of hindered phenol radical stabilizers in lubricant degradation chemistry have been completed. We are currently developing the first mechanistic models of lubricant degradation with the aim of including the chemistry of additives such as radical stabilizers that are found in commercial lubricant formulations. A key component of development of these ...
متن کاملPhotographic response to x-ray irradiation. I: Estimation of the photographic error statistic and development of analytic density-intensity equations.
Formulations for specular optical density as a function of incident x-ray intensity are shown to be inadequate, theoretically and compared with available data. Approximations assuming low intensities, grain densities, or energies yield significant error in typical emulsions. Unjustifiable simplifications limit analysis and consequent results. The avoidance of assumptions leads to models for rou...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1957
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.77.8_906