These findings underscore the need for longitudinal comprehensive evaluations of patients with RBD, in which biomarkers such as 123i-fp-cit SPECT imaging will be key measures, he explained.
Burn through is the main problem of longitudinal seam welding of ultra-thin tube with small diameter. Assembly of the joint and welding technology are the key to solve the problem.
小直径超薄壁管纵缝焊接的主要问题是烧穿，解决这个问题的关键是严格控制焊接接头的装配质量及焊接工艺。
3
We speculated that force be key to the elevation of bone IGF-I level. And IGF-I was an important factor to bone longitudinal growth.