The molconvert ratio of L - DOPA was 82.8 % from catechol.以邻苯二酚计的转化率为82.8%.Synthesis of terpene - catechol resin from terpene resin and catechol was reported in this paper.以萜烯树脂和邻苯二酚为原料,合成了萜烯 - 邻苯二酚树脂.The research progre...

This will strengthen our scientific and technological base, and will facilitate the commercialisation of medicinal products.这会有助巩固我们的科技基础, 促进中药商品化.Changes in the technological base of coal - fired power plants could rest...

catechumen的音标：catechumen的英式发音音标为：[ˌkætɪ'kju:men]catechumen的美式发音音标为：[ˌkætə'kjumən]...

Agrotechnical promotion is supporting the process of agricultural industrialization again.农业技术推广又支撑着农业产业化的进程.Agrotechnical innovation is the key that agriculture can develop continuously.农业技术创新是农业可持续发展的要害.Bead trigonomet...

catechin的音标：catechin的英式发音音标为：['kætɪtʃɪn]catechin的美式发音音标为：['kætɪˌkɪn]...

n.工艺学校，综合性工艺学校，理工专科学校adj.综合技术的，各种工艺的...

In the late 1850s the speed of technological change quickened.19世纪50年代末期，技术变革的速度加快了。an age of technological innovation技术革新的时代With technological changes many traditional skills have become obsolete.随着技术的革新，许多传统技艺已被淘汰。...