Results 91 to 100 of about 137,428 (211)

AVALIAÇÃO DE ADITIVOS DE FASE MÓVEL E TEMPERATURA NA VIDA ÚTIL DE COLUNAS PARA CROMATOGRAFIA LÍQUIDA DE ALTA EFICIÊNCIA

open access: yesQuímica Nova
Buffered solutions, additives, and column temperature are widely used in high-performance liquid chromatography to promote adequate retention of compounds and to improve the chromatographic separation.
Kátia A. Gomes   +2 more
doaj   +1 more source

Optimizing Chromatographic Separation with Redosing: Effects on Separation Efficiency of a Model System in Centrifugal Partition Chromatography

open access: yesSeparations
This study investigates and optimizes chromatographic separation in a Centrifugal Partition Chromatograph. Therefore, a model system is separated in a single-disc rotor.
Felix Buthmann   +3 more
doaj   +1 more source

OPTIMAL POLICIES FOR DISCRETE TIME RISK PROCESSES WITH A MARKOV CHAIN INVESTMENT MODEL [PDF]

open access: yes
We consider a discrete risk process modelled by a Markov Decision Process. The surplus could be invested in stock market assets. We adopt a realistic point of view and we let the investment return process to be statistically dependent over time.
Maikol Diasparra, Rosario Romera
core  

A GC-MS Database of Nitrogen-Rich Volatile Compounds. [PDF]

open access: yesToxics
Sholokhova AY   +3 more
europepmc   +1 more source

Dual retention mechanism on polar embedded stationary phases

open access: yes, 2017
Krzemińska, Katarzyna   +2 more
openaire   +2 more sources

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