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EffectofMagneticFieldonEnzymeActivitiesinMainSoilsofNortheastChinaLIUXIAOYI,YIYANLIandXIAYANLING(ShenyangAgriculturalUniversi...
Effect of Magnetic Field Enzymes in Living in Pain of Northeast China LIAUXIAOYI, YIYANLI and XIAYANLING (Shenyang Agricultural Universit ...