Here, the microvesicles have an inner aqueouslayer, into which ingredients may be incorporated.
这些微泡有一个内在的水层，有效成分可以掺入其中。
2
The results showed that aqueous extract from Chinese nutgall can remove the smear layer without enlarged orifices.
结果表明五倍子有去除玷污层的作用，且不会过度侵蚀牙本质小管；
3
Cobalt phase was chemically etched to certain depth beneath the surface and porous layer was formed after YG8 cemented carbide had been soaked in aqueous solution of dilute nitric acid.