Results 121 to 130 of about 4,005 (216)

Chemistry: Space resources for teachers including suggestions for classroom activities and laboratory experiments [PDF]

, 1971
Curriculum supplement to assist general chemistry teachers in updating instruction materials with aerospace ...
Bowman, W. H., Lawrence, R. M.
core   +1 more source

One-Step Preparative Separation of Phytosterols from Edible Brown Seaweed Sargassum horneri by High-Speed Countercurrent Chromatography. [PDF]

Mar Drugs, 2019
Xia M, Liu C, Gao L, Lu Y.
europepmc   +1 more source

Struvite crystallization [PDF]

, 2007
The present invention provides a method and apparatus for removing phosphorus from phosphorus containing waste. In one embodiment, the method is preferably carried out by contacting the phosphorus containing waste with a non-cellular membrane and ...
Avila-Segura, Mauricio, Barak, Phillip W., Meyer, Juliane M., Tabanpour, Menachem E.   +3 more
core   +1 more source

Separation of catalpol from Rehmannia glutinosa Libosch. by high-speed countercurrent chromatography. [PDF]

J Chromatogr Sci, 2015
Tong S, Chen L, Zhang Q, Liu J, Yan J, Ito Y.   +5 more
europepmc   +1 more source

Chiral ligand exchange high-speed countercurrent chromatography: mechanism and application in enantioseparation of aromatic α-hydroxyl acids. [PDF]

J Chromatogr A, 2014
Tong S, Shen M, Cheng D, Zhang Y, Ito Y, Yan J.   +5 more
europepmc   +1 more source

Preparative isolation and purification of iridoid glycosides from Fructus Corni by high-speed countercurrent chromatography. [PDF]

J Liq Chromatogr Relat Technol, 2013
Liang J, He J, Zhu S, Zhao W, Zhang Y, Ito Y, Sun W.   +6 more
europepmc   +1 more source

Separation of Saponin Glycosides from by High Speed Countercurrent Chromatography [PDF]

The Open Conference Proceedings Journal, 2013
Churanya Onlom, Yi Yang, Haji Akber Aisa, Neti Waranuch, Kornkanok Ingkaninan   +4 more
openaire   +1 more source

Preparative isolation and purification of alkaloids from Picrasma quassiodes (D. Don) Benn. by high-speed countercurrent chromatography. [PDF]

J Liq Chromatogr Relat Technol, 2012
Zhao W, He J, Zhang Y, Ito Y, Su Q, Sun W.   +5 more
europepmc   +1 more source

Handbook on Hypergolic Propellant Discharges and Disposal [PDF]

The efficiency of all treatment methods formerly or currently used in treating chemical wastes is assessed with emphasis on the disposal of hypergolic propellants. Maximum focus is on the space shuttle propellants MMH and N2O4.
Bowman, T. E., Sivik, H. E., Thomas, J. J.   +2 more
core   +1 more source

SEPARATION OF THE MINOR FLAVONOLS FROM FLOS GOSSYPII BY HIGH-SPEED COUNTERCURRENT CHROMATOGRAPHY. [PDF]

J Liq Chromatogr Relat Technol, 2010
Yang Y, Zhao Y, Gu D, Ayupbek A, Huang Y, Dou J, Ito Y, Zhang T, Aisa HA.   +8 more
europepmc   +1 more source