Galymzhan S 1

1. An Excessive K/Na Ratio in Soil Solutions Impairs the Seedling Establishment of Sunflower (Helianthus annuus L.) through Reducing the Leaf Mg Concentration and Photosynthesis
2. Grain-size characteristics of lacustrine sediments in Balkhash Lake, Kazakhstan and its response to regional environmental changes
3. Finite-Element Analysis of Oscillations in Damaged Pipeline Sections Reinforced with a Composite Material
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