Rheumatoid arthritis has also been linked with the virus.风湿性关节炎也与这种病毒有关.Bad rheumatoid arthritis deforms limbs.严重的类风湿性关节炎会造成四肢变形。Rheumatoid arthritis is perhaps the most severe and disabling type of the disease.类风湿性关节炎可能...
亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.偶氮杂环丙烷是一类重要的 、 环内张力颇大的化合物.The diazirines are interesting , highly strained ring systems.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Under the opti...
A first-class worker, she operated the difficult Jacquard looms.她技艺高超，操作着复杂的提花织布机。These include dobbies, cam motions, electronic Jacquard machines and Jacquard harnesses.产品包括凸轮开口装置、电子多臂机 、 电子提花机和提花织造用的通丝.Covered with per...