From Wikipedia, the free encyclopedia. Schematic of an electron capture detector for a gas chromatograph with a 63 Ni source. An electron capture detector (ECD) is a device for detecting atoms and molecules in a gas through the attachment of electrons via electron capture ionization. The device was invented in 1957 by James Lovelock and is used in gas chromatography to detect trace amounts of chemical compounds in a sample.
Deutsch: Landau an der Isar (amtlich: Landau a.d.Isar) ist die zweitgrÃ¶Ãte Stadt im niederbayerischen Landkreis Dingolfing-Landau. English: Landau an der Isar (official title: Landau a.d.Isar) is the second largest town in the Lower Bavarian county, or Landkreis, of Dingolfing-Landau, in the province of Bavaria, Germany. It lies on the river Isar. As of 2005, the population was around 12,950.
  Heidelberg Castle is situated at northern region of Alps and above the Neckar river in Germany.This castle is most visited and center of attraction for Tourist.Heidelbe â¦ rg has many things to offer. Heidelberg castle depicts the German architecture and it was used as  Royal Residence by Prince Ruprecht III.eidel is a loose translation for berry or grape. Berg meaning mountain or rock. Heidelberg is located in the south western part of Germany where there are many big hills.