The development characters of small-nutted longan embryo were studied by paraffin method.
摘要采用石
切片法研究小核龙眼胚胎发育的特点。
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代 He also hired scientists to create numerous new products from petroleum, ranging from paints to paraffin to anesthetics to vaseline—and they used gasoline for fuel in the production process, instead of letting it go to waste.
他还聘请科学家从石油中创造出许多新产品,从油漆到石蜡,从麻醉剂到凡士林,他们在生产过程中使用汽油作为燃料,而不是让它被浪费。