In this paper a new method on the dimethyl malonate has been proposed.本文通过对丙二酸二甲酯合成新方法的研究,收率达到80%以上.Aside from removing the malonate, how can this inhibition of respiration be overcome? Explain.除了去掉丙二酸之外, 还可以怎样克服这种对呼吸作用的...
我们所有的蔬菜均由当地菜农供应。All our vegetables are supplied by local growers.有个菜农在浇莴苣.An under - gardener was watering lettuces.菜农每隔约30公分种一颗大白菜.The vegetable farmers space out the Chinese cabbage about 30 cm apart....
Want to seek rate steadily below the premise that assures quality.要在保证质量的前提下稳步求速度.Downward blowing and circumfluent hot - air assures even drying and high efficiency.特设下吹风管及环流排风功能,保证塑料干燥温度均匀,提高干燥效率.Assures perfect alignm...
在那条路就要分叉的地方有一家百货商店.There is a department store just before the road bisects.集中的一点是气管和支气管分叉的地方.One point of concentration is where the air tube and bronchus spanides.闪烁和他的两个分叉的舌头从他的嘴唇, 沉思了一会儿.And flickered his two - forke...
a bespectacled grandmother戴着眼镜的老奶奶The wiry, bespectacled pair won many most identical competitions over the years.多年来,这对瘦但结实的双胞胎兄弟参加了很多“最相像”比赛并获奖....a slight, bespectacled figure.身材瘦小、戴着眼镜的人...a puny, bespectacled youth....