Results 161 to 170 of about 1,249,363 (328)

The Use of Cationic Agents to Increase the Efficiency of Titanium Dioxide in Paper [PDF]

open access: yes, 1966
Handsheets were made with a bleached sulfite pulp, titanium dioxide and cationic agents. The optical properties of these sheets were studied in order to determine and compare the efficiency of the titanium dioxide retained.
Clapp, Richard
core   +1 more source

A Stibonium-Modified Clay and its Polystyrene Nanocomposite [PDF]

open access: yes, 2003
Triphenylhexadecylstibonium trifluoromethylsulfonate has been prepared and ion-exchanged with sodium montmorillonite to obtain a new organically-modified clay. The clay has higher thermal stability than an ammonium clay; only a portion of the alkyl chain
Wang, Dongyan, Wilkie, Charles A.
core   +1 more source

Performance of EcoSan Toilets at Majumbasita in Dar Es Salaam – Tanzania [PDF]

open access: yes, 2018
The performance of Ecological Sanitation (ECOSAN) toilets at Majumbasita-Ukonga in Dar es Salaam, Tanzania was studied in order to assess their feasibility for low cost and effective environmental protection. The studied parameters for urine were pH, TKN,
Mahenge, A. (AS)
core  

Excessive ammonia inhibited transcription of MsU2 gene and furthermore affected accumulation distribution of allantoin and amino acids in alfalfa Medicago sativa

open access: yesJournal of Integrative Agriculture, 2015
In legume plants, uricase gene (Nodulin-35) plays a positive role in metabolism of ureide and amide compounds in symbiotic nitrogen-fixing in the nodules. In this study, a pot experiment was performed to examine the effects of ammonium application on the
Li WANG   +4 more
doaj  

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