spatial variations
| of
| pH
| spatial variation | |
| opt. | räumliche Änderung |
| of | |
| gen. | von; vor; über; aus; nach; hiervon |
| pH | |
| anal.chem. | Wasserstoffionenexponent |
| |||
| räumliche Änderung | |||
|
spatial variations : 2 phrases in 2 subjects |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |