Multi-wavelength observations of the BL Lac object Fermi J1544-0649: One year after its awakeningTam P.H.T.,
Pal P.S.,
Cui Y.D.,
Jiang N.,
Sotnikova Y.,
Yang C.W.,
Wang L.Z.,
Tang B.T.,
Li Y.B.,
Mao J.,
Kong A.K.H.,
Zhong Z.H.,
Ding J.,
Mufakharov T.,
Fan J.F.,
Dou L.M.,
Shen R.F.,
Ai Y.L. © 2020 Elsevier B.V. We report observations of a transient source Fermi
J1544-0649 from radio to γ
高性能煤矿机械用易焊接Q890 钢的制备 in the low welding heat input, less than 20k
J/cm, which cannot meet the requirements of robot welding