运河可以通航了。The canal is open to shipping.这两个城市间已有轮船通航.Steam navigation has been opened up between the two cities.这些新工厂大多都座落在通航河流的沿岸.Many of these new plants were located on navigable rivers....
Burley found labeled glucose and fructose in equimolar amounts.波里发现等克分子量的示踪葡萄糖和果糖.Fructose is one of the most essential high - grade carbohydrates.果糖是大多数的人体必需的基本高级碳水化合物之一.Ketohexose A ketose SUGAR with six carbon atoms ,...
这种维生素通过小肠壁被吸收。This vitamin is absorbed through the walls of the small intestine.肠肽酶是由小肠壁的腺体分泌的.Erepsin is secreted by glands in the wall of the small intestine.肠壁薄,几乎是透明的,这可能是因绒毛萎缩.The wall is thin and almost transparent...
The welding conditions should always be neutral or slightly oxidizing.焊接气氛必须永远保持中性或微氧化.Alkanes are resistant to attack by oxidizing agents generally.烷烃一般对于氧化剂的作用是稳定的.In liquid mixtures tetranitromethane may be used as an...