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13  Articles
1 of 2 pages  |  10  records  |  more records»
Nghiên c?u này du?c th?c hi?n nh?m dánh giá, th? nghi?m kh? nang lên men ru?u vang trái giác c?a dòng n?m men Saccharomyces cerevisiae YB3K du?c phân l?p t? trái m?n. Các ch? s? kh?o sát ban d?u du?c th?c hi?n là pH 4,5 v?i hàm lu?ng ch?t tan là 20, 24 và... see more

New Er3+, Yb3+ codoped phosphate glasses with the (98-x) (0.50P2O5-0.40SrO-0.10Na2O) -0.5Er2O3-1.5Yb2O3-xZnO (in mol %) composition were prepared by melting process with up to 10 mol % of ZnO. The impact of the changes in the glass composition on the ther... see more

Nanoparticles of silicates and germanates with a general formula Sr2R8–x–yErxYbyM6O26 (R = Y, La; M = Si, Ge) were produced in vacuum by the method of pulse electron beam evaporation. An upconversion photoluminescence of the nanoparticles was detected dur... see more

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA8UAAAJ9CAYAAAAc3NDAAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAP+lSURBVHhe7N0J3G79WPf/q556GmlQSspMyBBJCclYUeYpGTMkMkTmWZkryVCKxG28UWSWJJEhs5DMU4OG5+mZx//1X++f/bkc9+na+97c... see more

Se experimenta con diversos luminóforos semitransparentes e incoloros para que las fachadas de energía pasiva de los edificios urbanos posean energía efectiva capturada, a través de sus vidrios. Se usan tintes inorgánicos con elementos de tierras raras co... see more

<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAA8UAAAJ9CAYAAAAc3NDAAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAP+lSURBVHhe7N0J3G79WPf/q556GmlQSspMyBBJCclYUeYpGTMkMkTmWZkryVCKxG28UWSWJJEhs5DMU4OG5+mZx//1X++f/bkc9+na+97c... see more

Se experimenta con diversos luminóforos semitransparentes e incoloros para que las fachadas de energía pasiva de los edificios urbanos posean energía efectiva capturada, a través de sus vidrios. Se usan tintes inorgánicos con elementos de tierras raras co... see more

?????? ?????????? ???????????? ??????? ???????? ????? ??????? Al2O3-TiO2-Yb2O3 ??? 1400 °?. ????? ??? ? ???????? ???????? ???????????? ?? ?????? ??????????? ?? ????????? ?????? ?? ????????. ? ????????? ???????? ???? ????????? ????????? ?’??? ????????? ???... see more

 Elementos de Terras-Raras tem sido estudados em diferentes áreas da ciência devido a suas excelentes propriedades espectroscópicas e magnéticas com possível aplicação na construção de diferentes dispositivos ópticos e elétricos (MARTINS, 2005; LOURE... see more

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