Výsledky vyhledávání - "Yong Zhang"
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1
Co-expression of IBV structural proteins and chicken interleukin-2 for DNA immunization
The S1 gene of IBV and the chicken IL-2 gene were ligated together into a eukaryotic expression vector pCI-neo for co-expression evaluation in vitro. The recombinant plasmids were transfected into …
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2
Recombinant human activin A promotes development of bovine somatic cell nuclear transfer embryos matured in vitro
To improve the culture system of bovine somatic cell nuclear transfer (SCNT) embryos, we studied the effects of activin A on developmental competence of bovine SCNT embryos during the early …
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3
Composition and acaricidal activity of essential oil from Elsholtzia densa Benth against Sarcoptes scabiei mites in vitro
Plant-based natural products represent an alternative to chemical compounds for the control of mites in veterinary medicine. Here, the essential oil of Elsholtzia densa (E. densa) Benth was extracted …
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4
A variety of Euler's sum of powers conjecture
We consider a variety of Euler's sum of powers conjecture, i.e., whether the Diophantine system $_$\cases n=a_1+a_2+\cdots+a_{s-1}, a_1a_2\cdots a_{s-1}(a_1+a_2+\cdots+a_{s-1})=b^s \endcases$_$ …
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