The red sandstone cores used in this study were extracted from a single, intact block to ensure uniformity ... with more cycles often reducing peak stress and stiffness due to soil structure ...

Through the use of a high-quantum efficiency single-quantum-well structure grown by molecular beam epitaxy an output power as high as 3 mW at an injected current of 100 mA with a 50- mu m-wide mesa ...

The addition of manure plays an important role in improving soil structure and water-holding capacity. If your garden has a lot of leafy greens and corn, this composted manure will offer a high level ...

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