作为抗生素的第二代替代品，益生元已成为动物营养研究的新热点。
Being second-generation substitute of antibiotic, prebiotics have been the hotspot in the research of animals nutrition currently.
结论豫北地区相对老一代较新的抗生素仍有应用价值。
Conclusion The newer antibiotics are valuable yet in north Henan area.
设计发明了在数据通讯和光学波导用作下一代光学纤维的新氟素尸。
Desighed and invented new fluoroplastics which can used as next generation optical fibers for data communication and optical waveguide.
该方法可应用于大鼠血清中奈替米星的药代动力学研究，可为生物样品中氨基糖苷类抗生素的测定提供一种新的选择。
The presented method can be used for the pharmacokinetics study of netilmicin in rat serum, and can be a new choice for the determination of aminoglycoside antibiotics in biological samples.
该方法可应用于大鼠血清中奈替米星的药代动力学研究，可为生物样品中氨基糖苷类抗生素的测定提供一种新的选择。
The presented method can be used for the pharmacokinetics study of netilmicin in rat serum, and can be a new choice for the determination of aminoglycoside antibiotics in biological samples.
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