aliments analyse analysemétallurgique analysis automobiles automotive chemicalengineering chemistry chimieindustrielle composition conceptionetconstruction customizing designandconstruction engineering engineering(general) equipmentandsupplies food foodanalysis foodindustryandtrade foodscience gaodengxuexiao gongchenghuaxue industrial jiaocai materials matériaux mechanicalproperties metallurgicalanalysis ouvragesdevulgarisation physical physicalandtheoretical polymers polymères popularworks propriétésmécaniques reference résistancedesmatériaux science strengthofmaterials structure studyandteaching technical technology theoretical transportation équipement étudeetenseignement