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The article briefly characterizes a web service for thermochemical calculations in term of its implementation and provided methods. It specifies web service error conditions and their dependency on input parameters as well. The article closely deals with a two approaches aimed at solution of error conditions. The first approach is based on exception utilization. It defines fault in WSDL file, describes fault structure in XML schema, creation of exception on the web service side and exception processing on the clie...

The contribution briefly characterizes basic service oriented architecture principles as well as web service as its dominating implementation form. It emphasizes an importance of uniform thermochemical properties source and thermodynamics computations for mathematical models creation. For technological processes models that include models of heating, heat generation and chemical reactions models there are necessary thermochemical properties and thermodynamics computations as: specific heat capacity, heat of format...