Add spaces: description-Thebriefdescriptionofthemailinglist.

Answer: description - The brief description of the mailing list.

Add spaces: DL-potassiumhydrogentartrate-ChinaHailanBio-fasahar

Answer: DL-potassium hydrogen tartrate - China Hailan Bio-fasahar

Add spaces: VAND4:Qualityofseawaterbysubstanceandobservingstation(DISCONTINUED)

Answer:
VAND4: Quality of seawater by substance and observing station (DISCONTINUED)