منابع مشابه
HDD Interface Technologies
The interfaces of hard disk drives (HDDs) have been changed to serial interfaces to meet the demands for high-speed data transfer. The main interfaces involved are the Fibre Channel (FC), Serial ATA (SATA), and Serial Attached SCSI (SAS). Up to now, the HDD market segments corresponded to the serial interfaces that were available. Because of the recent demands for cost reduction, however, reque...
متن کاملRailway Open System Tribology Railway Open System Tribology
Tribology in the railway system is of increasing interest in the new railway era due to the demand for higher speed and load capacity. Since railway vehicles operate in an open environment, their performance depends greatly on temperature, humidity and natural and artificial contaminants. Meanwhile, the “feedback” of railway vehicles to the surroundings, such as noise and airborne particles, is...
متن کاملLiquid Crystals in Tribology
Two decades ago, the literature dealing with the possible applications of low molar mass liquid crystals, also called monomer liquid crystals (MLCs), only included about 50 references. Today, thousands of papers, conference reports, books or book chapters and patents refer to the study and applications of MLCs as lubricants and lubricant additives and efforts are made to develop new commercial ...
متن کاملDevelopment of acetylated HDD kit for preparation of 188Re-HDD/lipiodol.
A lipiodol solution of (188)Re-4-hexadecyl-2,2,9,9-tetramethyl-4,7-diaza-1,10-decanedithiol ((188)Re-HDD/lipiodol) is in clinical study for liver cancer therapy. However, formulation of it is difficult due to highly active and unstable sulfhydryl groups. We produced new kits using diacetylated HDD (AHDD), in which sulfhydryl groups are protected. We found that AHDD kit can replace HDD kit due t...
متن کاملTribology of Manufactured Optical Surfaces
Optical components of non-planar geometry require special machining to produce. Single point diamond turning is the manufacturing method of choice to produce these surfaces. Three main factors contribute to the quality of these surfaces. Machine accuracy has shown improvements with the increased use of air bearings. Tool wear and design are shown to be effected by the crystal orientation of the...
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ژورنال
عنوان ژورنال: Hyomen Kagaku
سال: 2005
ISSN: 0388-5321,1881-4743
DOI: 10.1380/jsssj.26.288