. . . . . . . . . . . . . . "100950217"^^ . "0"^^ . "the activity of applying chemistry to the solution of practical problems"@en-us . . . "100608219"@en-us . . . . . . . . "100893477"@en-us . . . . . . . . . . . . . . . "00950217-n"^^ . "0"^^ . . . . . . . . . . . . "chemical engineering"^^ . . "chemical engineering"@en-us . . . . .