mottled cast iron是什么意思

用法例句

In order to explore the rules of angelica’s formative medicinal value and resolve the problems of early bolting rate, high incidence of Ditylenchus Destructor, low and unsteady yields, this thesis aims to provide some scientifical bases so as to master the rules of angelica’s growth and .

其中成药期是获得产品以及获取经济效益的主要阶段,为了探索当归成药期生长规律,解决当归成药期早薹率、麻口病发病率高,产量低而不稳的问题,本文通过研究栽培方式、施肥和密度三个方面对当归成药期生长过程和早薹率、麻口病的影响,以期为掌握当归成药期生长规律,提高当归质量提供科学依据,同时也为当归GAP基地建设提供理论指导。

Effect of Aima oral liquid on airway inflammation in rats with chronic bronchitis;

艾麻口服液对慢性支气管炎大鼠气道炎症影响的实验研究

Extraction process of total flavonoids in cortex zanthoxyli by ethanol;

麻口皮子药总黄酮醇提工艺研究

Aimed at the problem of angelica’s agricultural practice ,early bolting rate and high incidence of Ditylenchus Destructor, he experiment got a lucubrate on growth rules of angelica’s formative medicinal value.

针对甘肃当归产区存在的栽培技术落后、提前抽薹率和麻口病发病率高等问题,对当归成药期的生长发育规律进行了深入研究。