We investigate the extent to which different forms of community participation explain variation in handpump sustainability using data collected from 200 rural communities in Ghana. Data sources include household surveys, engineering assessments of water points, and interviews with water committees and village leaders. The depth of community members’ involvement in project planning is positively...

Single crystals of [pyH(+)](2)[CuNb(2)(py)(4)O(2)F(10)](2)(-) and CuNb(py)(4)OF(5) were synthesized in a (HF)(x)().pyridine/pyridine/water solution (150 degrees C, 24 h, autogeneous pressure) using CuO and Nb(2)O(5) as reagents. The compound [pyH(+)](2)[CuNb(2)(py)(4)O(2)F(10)](2)(-) contains clusters of [CuNb(2)(py)(4)O(2)F(10)](2)(-) anions linked through N-H(+).F hydrogen bonds to the [pyH(+...

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