Results 271 to 280 of about 11,656,595 (311)
Some of the next articles are maybe not open access.

Urinary Urea Nitrogen Prediction of Total Urinary Nitrogen

Journal of Parenteral and Enteral Nutrition, 1995
Luc Cynober, Colette Coudray‐Lucas
openaire   +1 more source

Nitrogen Species Measurement in Low Total Nitrogen Effluents

Proceedings of the Water Environment Federation, 2008
Chakkrid Sattayatewa, Krishna Pagilla
openaire   +1 more source

Plant Nitrogen Assimilation and Use Efficiency

Annual Review of Plant Biology, 2012
Xiaorong Fan   +2 more
exaly  

Mapping stocks of soil organic carbon and soil total nitrogen in Liaoning Province of China

, 2017
Shuai Wang   +4 more
semanticscholar   +1 more source

Nitrate, Ammonia, and Total Nitrogen

2018
C.E. Hamilton, B.G. Lipták
openaire   +1 more source

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