Intersect 发表于 2025-3-23 12:00:02
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http://reply.papertrans.cn/83/8231/823041/823041_12.pngAprope 发表于 2025-3-23 19:17:21
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K. Dalsgaardst-war era. Relatively recently they were backward economies isolated from the European mainstream before joining the ranks of the late modernizers during the 1960s. Both countries were governed by authoritarian regimes that traced their origins to the period which witnessed the rise of European fas马赛克 发表于 2025-3-24 09:35:05
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st-war era. Relatively recently they were backward economies isolated from the European mainstream before joining the ranks of the late modernizers during the 1960s. Both countries were governed by authoritarian regimes that traced their origins to the period which witnessed the rise of European fasvocation 发表于 2025-3-24 17:07:34
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Detection of BVD Virus in Viremic Cattle by an Indirect Immunoperoxidase Technique, of BVD virus as assayed by PO staining were found to be as high as 10. TCID./0.01 ml serum. The mean titre of aninials with disease was found to be 10. TCID./0.01 ml and 10. TCID./0.01 ml for apparently healthy animals. The PO staining technique for detection of BVD virus is a practical test for deanimated 发表于 2025-3-25 02:40:40
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