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Protecting steels against corrosion and the formation of mineral salt deposits
The paper studies the physicochemical properties of import-substituted and export-oriented nitrogen, amine and phosphorus new composite inhibitors for corrosion protection of steels as well as scaling obtained from local raw materials and industrial wastes. Inhibiting properties of corrosion and mineral salt deposit accumulation in acid and hydrogen sulfide environments have been determined. It was found that the efficiency of the inhibition process with the use of composite inhibitors in acidic and hydrogen sulfide environments obeys the Langmuir law. The values of activation energy of the adsorption process in these media and thermodynamic values (∆H, ∆S, ∆G).
Problems and prospects for processing secondary material resources in the textile industry
Metaloyihani amalga oshirishning asosiy bosqichlarI
Ushbu maqolada oliy ta’limni boshqarishda qo‘llaniladigan metaloyihani amalga oshirishning asosiy bosqichlari o‘rgabilgan.
Kurilish oynasi shixtalarni aralashtiruvchi qurilmaning ishchi kuraklari modernizatsiyasi
Maqolada “KVARTS” AJda korxonasining xom-ashyo sexida shisha tarkibiga qo‘shiluvchi shixtalarni aralashtirish samaradorligi yuqori bo‘lgan, energiyatejamkor, kuraklarini shaklini o’zkartirtilgan va qiyalik burchaklari optimal variant hisoblangan apparatini takomillashtirilgan konstruksiyasi taklif etilgan.
A new type of alumina toughned zirconia – modern material for structural applications in machniery industry
Permanent development of ceramics technologies is a necessary condition for the continuous improvement of many branches of industry. Each type of ceramic product demand a specific technology and has an optimal field of application.
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