13.A butterfly rests on a nunatak, a small mountain tip that pokes through glacial ice.
一只蝴蝶在原石山上休息,原石山是突破川小山山尖。
14.The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.
第一次期称为「休伦期」,因其遗迹在加拿大南部休伦湖北方石中清晰可见。
15.Methods The eyeballs of rat were fixed in the improved fixative solution mixed with paraform,glacial acetic acid and acetone.
16.Diphenylbenzidine was synthesized by diphenylamine using glacial acetic acid and water as solvent in acidic condition.
以二苯胺为原料,水和为溶剂,在性条件下一步合成二苯基联苯二胺,该方法具有操作简单,原料易得等优点。
17.MethodsExpanding reagent: butanol-water-acetic acid glacial(5∶2∶1),stationary phase: G silicon gel and colorate reagent: dissolve ninhydrin in acetone.
方法以正丁醇-水-(5∶2∶1)为展开剂,在硅胶G薄层板上展开,用茚三酮丙酮溶液显色后观察。
18.At its farthest end, three glaciers meet to dump their effluvia into the milky grey glacial water, launching massive igloo icebergs into the lake with thunderous splashes.