Sökning: "ion relocation"

Hittade 2 avhandlingar innehållade orden ion relocation.

1. 1. Nitrate stable isotopes and major ions in snow and ice from Svalbard

   Författare :Carmen Paulina Vega Riquelme; V. A. Pohjola; R. Pettersson; E. Isaksson; C. E. Bøggild; Kumiko Goto-Azuma; Uppsala universitet; []
   Nyckelord :nitrate stable isotopes; nitrate; NOx proxies; ice cores; percolation; ion relocation; Svalbard; stabila isotoper av nitrat; nitrat; indikator för kväveoxider; iskärnor; perkolation; joniska omlokalisering; Svalbard; Earth Science with specialization in Physical Geography; Geovetenskap med inriktning mot naturgeografi;

   Sammanfattning : Increasing atmospheric reactive nitrogen (Nr), as consequence of human activities, has generated accumulation of nitrate (NO3-) in Arctic regions. The Arctic has fragile nitrogen limited ecosystems that can be altered by increases of dry or wet deposition of Nr. LÄS MER

3. 2. Compound semiconductors : defects and relocation of atoms during growth sputtering and diffusion

   Författare :Margareta K. Linnarsson; KTH; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; secondary ion mass spectrometry SIMS ; cascade mixing; redistribution; diffusion; defects; passivation; SiC; A1xGa1-xAs; Electronics; Elektronik;

   Sammanfattning : .... LÄS MER