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Conventionally, the modules of SCADA system such as Message broker, Human Machine Interface (HMI) Building Environment, Database Manager and drivers including the SCADA HMI are developed in compiler-based languages such as C/C++. Thus, the person who develops the SCADA HMI has to be well versed with that language whose learning curve is steep. Every time the user has to rely on the SCADA engineer...
We describe the design of a remote file system for use in desktop grid applications. The file system provides query/update access to unmodified programs on UNIX/Linux. Salient feature of the file-system is its ability to profile programs to generate program-specific optimizations for sequential reads/writes
The synthesis of novel substituted pyrroloquinolinones is described by concomitant ring contraction cyclization form 2-(2-amino-5-nitro-phenyl)-[4H]-1,3-thiazines, which were derived from N-substituted 5-nitro-anthranilonitrile. An easy access to novel 4-thiono-1,4-dihydro-1,3-quinazoline heterocycles is also mentioned.
Pyridazine C-nucleosides have been synthesized by [4+2] cycloaddition of alkynyl C-nucleosides with substituted tetrazines. These pyridazines on extrusion of a nitrogen atom afforded novel pyrrole C-nucleosides with good yields. The results of electrochemical and chemical reduction are compared.
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