It showed paraformaldehyde solution was a good fixative for fixation in field. 证明多聚甲醛溶液是一种良好的真菌野外固定剂。
As the most important adhesive and fixative, the chemical composition of the cementing material in the pigment, too, should be clearly understood. 其中的胶结材料作为至关重要的粘合剂和固定剂,其化学构成同样必须查个一清二楚。
fixative
[ noun ]
a compound (such as ethanol or formaldehyde) that fixes tissues and cells for microscopic study
<noun.substance>
a varnish dissolved in alcohol and sprayed over pictures to prevent smudging
<noun.artifact>
Fixative \Fix"a*tive\, n. That which serves to set or fix colors or drawings, as a mordant.
And why, anyway, is quite so much television time currently occupied by advertising for toothpaste, toothbrushes, denture fixative and so on?