Our company specializes in producing electronic ballasts of efficiency fluorescent illumination products.本公司是一家专业从事自主研发高性能荧光灯电子镇流器的生产厂家.Applied in: - saving lamps, fluorescent electronic ballasts and digital multi - mete...
光对植物的叶子发生作用从而产生叶绿素.Chlorophyll is produced by the action of light on the plants'leaves.这一病害使叶绿素遭到不同程度的破坏.The disease causes varying degrees of destruction of the chlorophyll.叶绿素的分子结构已经搞清, 它是由卟啉组成的.The structure of t...
针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。Choose a soft, medium or firm mattress to suit their individual needs.恐龙峡谷中的化石都嵌在坚硬的砂岩中。The fossils at Dinosaur Cove are embedded in hard sandstones.这种物质聚合形成坚硬的塑料。The substance polymerizes to ...
Amyotrophic lateral sclerosis ( ALS ) involves upper neuron , lower neuron and corticospinal tract.肌萎缩侧索硬化 症 累及部位包括上 、 下运动神经元以及皮质脊髓束.Purpose To research the MRI and CT findings of Tuberous Sclerosis.目的探讨结节性硬化症的颅内影像学征象.Th...