The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维氏显微硬度仪测定经饮料浸泡后牙釉质表面显微硬度的变化.The microstructure and microhardness of ths laser nulted Fe - Sb alloys were studied.研究了激光表面熔化Fe-Sb合金的显微组织和显微硬度...
The average microhardness value from cladding coating transition layer white bright band gradiently distributes.从熔覆区→过渡层→白亮带的平均显微硬度值呈梯度分布.The enamel surface microhardness was measured by a Leitzs microhardness tester.采用维...
乳酸菌发酵过程中的代谢产物包括有机酸和细菌素.The metabolites during ferment of LAB include organic acids and bacteriocins.pH稳定性研究表明,在弱酸性或中性条件下,这些细菌素表现出较高的活性.These four bacteriocins showed the highest antibacterial activity under acidulous and...
Wye Lea is a collection of farm buildings that have been converted into an attractive complex.“怀河草地”是一处由农舍改造而成的赏心悦目的建筑群。Thinking detained throughout the night, you Protection of Wye head cold?思想禁锢整夜, 怅怀一宿你冷 吗 ?See also t...
Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.It is infrequence in China that the weld high - temperature high - pressure hydrogenation pipe ...
他得罪了上司, 上司就给他小鞋穿.He got across the boss, who made life very difficult for him.她曾试图把脚挤进那双小鞋里.She tried to squeeze her feet into shoes that are too small.这是一只小鞋我穿不了.This is such a small shoe that I can not wear it....
Webb is a multi-faceted performer...韦布是一个多才多艺的表演者。The skill with which Mr. Smith faceted the diamond is remarkable.史密斯先生在钻石上雕刻小平面的精湛技巧真是了不起.A form of gem cut marked by a flat base and a faceted , hemispheric upper surfac...