The paper discusses igneous rock lithological features, spatial distributive characters and its influence on coal seam and coal quality of Huanghebei coalfield, Sha ndong Province.

论述了山东省黄河北煤田岩浆岩特性特征、空间分布特点及其对煤层煤质的影响。

youdao

Ann-Therese Ndong-Jatta is education director for UNESCO in Africa.

VOA: special.2010.05.20

Ann-Therese Ndong-Jatta is director of UNESCO's Regional Bureau for Education in Africa.

VOA: standard.2010.05.19

Ms Ann Therese Ndong-Jatta, Director of the UNESCO Regional Bureau for Education in Africa, Dakar, Senegal.

UNESCO: Detailview | United Nations Educational, Scientific and Cultural Organization

"While the project has made progress in terms of adaptation, but much remains to be done, " said Ann Therese Ndong-Jatta, Director of UNESCO Office in Dakar.

UNESCO: OFFICE IN DAKAR