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31.
Asatani (1994) reported on a variety of topics, including broadband aspects of ISDN (B-ISDN), intelligent network (IN), future public land mobile telecommunication systems (FPLMTS), and audiovisual multimedia services (AVMMS). With the exception of IN, the present report covers progress in those same areas, with a status report on telecommunication management network (TMN) and universal personal telecommunications (UPT). Fora and consortia which may influence standardizations on these topics and standardization activities related to information infrastructure (II) are also reported 相似文献
32.
Solubilities of 1,3-butadiene and trans-2-butene are reported for a pressure of 101.325 kPa and temperatures ranging from 278 to 323 K in the solvents carbon disulfide, acetic acid, acetone, dimethyl formamide, dimethyl acetamide, and ethyl acetate. The solvents were chosen to attempt to elucidate the complex molecular interactions that occur with certain reactive gases and some commercial extractive distillation, as well as other solvents. 相似文献
33.
The state-of-the-art of lightwave subscriber loop systems is reviewed. An approach is described for deriving an architecture for subscriber loop systems that can accommodate technological trends in broadband ISDN such as asynchronous transfer mode (ATM) and synchronous digital networks. Key component technology is discussed, namely, optical fibers and cables, splicing and connectors, and switching 相似文献