The hydrophilous plant communities of Western Crete described and classified in this paper
belong to the following classes: Potametea, Adiantetea, Phragmitetea, Molinio-Juncetea, …

The following hydrocarbons have been prepared in a very high degree of purity: n‐pentane,
2‐methylbutane, n‐hexane, 2‐methylpentane, 3‐methylpentane, 2,2‐dimethylbutane. 2,3‐…

The freezing point or melting point is one of the most useful physical properties in the identification
ofchemical substances and in the verification of their degree of purity. For this reason …

A description is given of methods for determining quantitatively the total sulphur, oxidizable
sulphur, monosulphidic sulphur, and extractable sulphur (free and organically bound) in soil. …

In studying the relations between physical constants of pure hydrocarbons, it was found that
in many cases it is possible to express the constants of hydrocarbons belonging to a …

A method is described for filling thin‐walled ampullae with volatile liquids with the total exclusion
of air and water. In this way it is possible to weigh out accurately the amount of material …

Ingesloten door de oude Meije en de Meije enerzijds en de Slimmenwetering anderzijds,
liggen de blauwgraslanden straalsgewijs in de polder Zegvelderbroek. De tijd dat de Meije …

De krantenkoppen liegen er niet om: ''Jakobskruiskruid eist steeds meer slachtoffers onder
vee" , ''Jakobskruiskruid, een sluipmoordenaar", "Overheid moet Jakobskruiskruid bestrijden". …

IN order to measure the adsorption of hydrogen by pure nickel, free from oxygen, I used a
silica tube, containing 12 kilometres of a very thin nickel wire (total weight of the wire 42 grams, …

De Zwartblauwe rapunzel (Phyteuma spicatum ssp. nigrum (FWSchmidt) Rouy) geldt als
één van de parels van het Drentsche Aa-gebied. Zowel in hooilanden als in bermen en op …