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Dive into the research topics where David Charles Darwin is active.

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Featured researches published by David Charles Darwin.


Archive | 1995

Cement admixture product having improved rheological properties and process of forming same

David Charles Darwin; Ellis Martin Gartner; Byong-Wa Chun; Hideo Koyata; Lawrence Lu Kuo


Archive | 1993

Cement and cement composition having improved rheological properties

David Charles Darwin; Ellis Martin Gartner; Byong-Wa Chun; Hideo Koyata; Lawrence L. Kuo


Archive | 1995

Cement admixture product

David Charles Darwin; Ellis Martin Gartner


Archive | 1997

High early-strength-enhancing admixture for precast hydraulic cement and compositions containing same

Ara A. Jeknavorian; Ahmad Arfaei; Neal S. Berke; David Charles Darwin; Ellis Martin Gartner; Leslie A. Jardine; James F. Lambert; Lawrence R. Roberts


Archive | 1998

Emulsified comb polymer and defoaming agent composition and method of making same

David Charles Darwin; Robert T. Taylor; Ara A. Jeknavorian; Ding Feng Shen


Archive | 1996

Improved cement admixture product

David Charles Darwin; Ellis Martin Gartner


Archive | 1997

Polymers based on maleic imides and cementitions compositions comprising the same

David Charles Darwin; Ahmad Arfaei; Ellis Martin Gartner; Xiaojia Zhang


Archive | 1998

Emulsified comb polymer and entschäumungsmittelzusammensetzung and process for their preparation

David Charles Darwin; A. Ara Jeknavorian; Feng Ding Shen; T. Robert Taylor


Archive | 1998

Emulgiertes kammpolymer und entschäumungsmittelzusammensetzung und verfahren zuderen herstellung

David Charles Darwin; Robert T. Taylor; Ara A. Jeknavorian; Ding Feng Shen


Archive | 1998

Emulgiertes kammpolymer und entschäumungsmittelzusammensetzung und verfahren zu deren herstellung Emulsified comb polymer and processes for their preparation and entschäumungsmittelzusammensetzung

David Charles Darwin; A. Ara Jeknavorian; Feng Ding Shen; T. Robert Taylor

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Ahmad Arfaei

W. R. Grace and Company

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Hideo Koyata

W. R. Grace and Company

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