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4.242  Articles
1 of 425 pages  |  10  records  |  more records»
Nghiên c?u nh?m mô t? m?i liên quan gi?a d?c di?m siêu âm doppler nang lu?ng và phân d? Mauro mondellli c?a b?nh nhân có h?i ch?ng ?ng c? tay. Phuong pháp mô t? c?t ngang th?c hi?n ? 36 b?nh nhân v?i 49 c? tay có h?i ch?ng ?ng c? tay du?c ch?n doán h?i ch... see more

Christian Doppler, an Austrian physicist, described in 1842 the apparent change in frequency of a wave when motion of the source or the observer is involved. Named after him, this change in observational frequencies is known as the Doppler Effect. The for... see more

Barium hexaferrite material as magnetic material can be used for wave absorption applications. However, to make the absorber material, the material must be soft magnetic material. For now, the barium hexaferrite problem is still a hardmagnetic material.&n... see more

Nitrogen-dopped activated carbon was synthesized to see its effect on the characterization of the nitrogen surface functional groups, crystal size, and morphology of the resulting sample. Synthesis of nitrogen-doped activated carbon was carried out by var... see more

Half-Heusler (HH) thermoelectric (TE) composites have been extensively inspected due to their excellent TE properties in the medium- to high-temperature range. First-principle calculations make it easier to discover or improve more HH compounds. This arti... see more

Environmental consequences during the COVID-19 pandemic have attracted attention due to the excessive use of antibiotics which lead to the release of the drug's residue, such as amoxicillin (AMX), into the environment. In this work, an advanced oxidation ... see more

Sleep disorders, which are among the earliest and most sensitive non-motor manifestations of Parkinson's disease (PD), are not diagnosed in 40–50 % of patients and are not subject to the necessary correction. In this regard, the ineffectiveness of a ... see more

El granate de hierro itrio, YIG (Y3Fe5O12), es un cerámico con propiedades magnéticas, dieléctricas y ópticas, las cuales se atribuyen a su estructura cristalina. El YIG contiene 160 iones que forman huecos tetraédricos, octaédricos y dodecaédricos; así c... see more

1 of 425 pages  |  10  records  |  more records»