A captive wildebeest calf was inoculated with virulent bovine blood . 把活捉到的一头犊角马用有毒力的牛血液进行了接种。
2.
Studies of the chitosan microspheres prepared as affinity chromatography carrier and used for purifying thrombin from bovine blood plasma 壳聚糖微珠作为亲和层析载体的制备及其用于分离牛凝血酶的研究
