Concepedia

Erich Christian Wittmann

EC

7

Publications

187

Citations

7

H-Index

1981

Active since

Affiliations

In-Q-Tel(Current)

Erich Christian Wittmann is an author at In-Q-Tel specializing in engineering, surface science, and chemical engineering.

Top concepts

EngineeringSurface ScienceMaterial ScienceChemical EngineeringEducationThin FilmsWater TreatmentTeacher EducationWater PurificationMathematics Teaching

Publications per year

1981–1998

7

Publications

7

Teaching units as the integrating core of mathematics education

Erich Christian Wittmann · Educational Studies in Mathematics · 1984 · 46 citations

Teacher Education, Mathematics Education, Mathematics Curriculum +6

Performance of a nanofiltration plant on hard and highly sulphated water during two years of operation

Sophie Bertrand, I. Lemaître, Erich Christian Wittmann · Desalination · 1997 · 34 citations

Filtration, Chemical Engineering, Engineering +9

Treatment of a hard borehole water containing low levels of pesticide by nanofiltration

Erich Christian Wittmann, Pierre Côté, Chiara Medici et al. · Desalination · 1998 · 34 citations

Filtration, Chemical Engineering, Engineering +10

The complementary roles of intuitive and reflective thinking in mathematics teaching

Erich Christian Wittmann · Educational Studies in Mathematics · 1981 · 29 citations

Teacher Education, Mathematics Education, Cognitive Science +6

The effect of gas adsorption on the electrical resistivity of thin silver films

E. Schmiedl, Masao Watanabe, P. Wi�mann et al. · Applied Physics A · 1984 · 18 citations

Materials Science, Electrical Engineering, Engineering +12

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