"That's a type of whitefly, is it?"— 'Yes. it is a whitefly.'“那是一种粉虱，对吗？”——“是的，是粉虱。”The five small arthropod were still very serious pest, especially aphid, scale and whitefly.其中,五小害虫的危害仍然非常严重, 尤其是蚜虫 、 蚧壳虫...
Patients with clinical eidence of coexisting acute cholangitis were excluded.合并了急性胆管炎的病人未入选.Objective To study current developments in research of primary sclerosing cholangitis ( PSC ).目的了解原发性硬化性 胆管炎 研究进展.Patients with ...
Equation between inter - yarn air permeability and parameters of fabric structure was deduced based on Hagen - Poiseuille hydromechanics.利用哈根伯肃叶定律,推导出机织物的纱线间孔隙透气量与织物结构参数的关系式.Equation between inter - yam air permeability ...