The phrase "as evidenced previously" is correct and usable in written English.
It can be used to refer back to information or examples that have already been presented in the text.
Example: "The results of the study support our hypothesis, as evidenced previously in the data analysis section."
Alternatives: "as shown earlier" or "as demonstrated before".
Carbon nitride (CN) in CN encapsulated Ni/Al2O3 (denoted as CN/Ni/Al2O3) catalyst was evidenced previously as a material in electron-rich state and possessed H2-dissociative adsorption activity due to the electron doping effect from underlying nickel.
Whereas a broad north-south cultural continuity along the eastern side of the Caspian Sea, as far north as the southern Urals, is evidenced previously by Mesolithic microlithic cultures (Matyushin 2003 , 1996, the development of the Central Asian deserts in the Holocene acted as a barrier to subsequent human interaction via this route (Dolukhanov 1986b; Hiebert 2002).
Findings from local data can impact our understanding of disease at the national level as evidenced from the previously described HIV prevalence from this study [ 15] which played a major role in the downward estimation of HIV burden for the country [ 36].
Glycemic control, as evidenced by HbA1c, has previously been shown to be an independent risk factor for the development of microalbuminuria in type 1 and 2 diabetes mellitus in prospective study of normoalbuminuric patients [ 16].
In summary, it was felt that the patient had likely infarcted his right kidney previously as evidenced by the current renal ultrasound showing no Doppler flow and overall decrease in size of the right kidney since July.
It was polymerized to form the corresponding fluoride-terminated hyperbranched polymer with higher molecular weight than previously reported, as evidenced by higher glass-transition temperature (Tg=159 °C vs. 140 143 °C).
In addition, there was a suggestion in this study that poor renal function may be more prevalent in rural areas than previously thought as evidenced by the surprisingly high prevalence of low eGFR.
Furthermore, this particular cow had been previously pregnant as evidenced by multiple longitudinal striations in the perimetrium, suggesting that the squamous metaplasia of the rete ovarii tends not to prevent ovarian cyclicity and pregnancy.
However, over time local population extinctions are likely, due to the ephemeral nature of copepod habitat [ 14, 15] and long distance gene flow must occur occasionally as evidenced by the recolonization of previously glaciated regions [ 5].
Similar severe cartilage destruction in Tg197 mice at 7 8 weeks of age has previously been shown as evidenced by the loss of safranin-O staining [ 22].
