Titlebook: Rhizosph?renprozesse, Umweltstre? und ?kosystemstabilit?t; 7. Borkheider Semina Wolfgang Merbach (Leiter des Instituts für Rhizosp Book 199

開始沒有

Einfluss von Emissionsbelastungen in Wald?kosystemen auf die Entwicklung des Feinwurzelsystems von ,ment in the humus layer and a relatively constant length density of fine roots down to a depth of 55 cm. Differences in soil chemical soil properties, especially in the N saturation of the ecosystems, originating from the different pollution levels, were identified as a cause of the different development of fine root systems.

凹處

Untersuchungen zum Schadstofftransfer Ausgew?hlter Organochlorpestizide und Polyzyklischer Aromatiscis effect is due to growth dilution. Increasing concentrations of lindane (γ-HCH) and methoxychlor in soil lead to an increase of their concentrations in maize, whereas benzo(a)pyrene and fluoranthene showed no directly effect.

全部

印第安人

使人煩燥

incision

符合你規(guī)定

笨拙處理

自負(fù)的人

On the State Reachability Problem for Concurrent Programs Under PowerWe consider the problem of safety verification, formalized as control-state reachability, for concurrent programs running on the Power architecture. Our main result shows that safety verification under Power is undecidable for programs with just two threads.