Results 181 to 190 of about 164,989 (292)

Manejo fitotécnico na cultura da mandioca (Manihot esculenta Crantz) em Amargosa, Bahia. 1. adubação mineral e orgânica. [PDF]

open access: yes, 2014
A cultura da mandioca extrai elevadas quantidades de nutrientes, com destaque para potássio e nitrogênio (HOWELER, 1981), que, pelo fato de todo material colhido (raiz e parte aérea) ser retirado do campo, pode ser considerada como cultura esgotante do ...
ARRAIS, Í. G.   +4 more
core  

Operating conditions for recognition of radiationdamage halo in quartz using cathodoluminescence microscope and cooled CCD camera [PDF]

open access: yes, 2001
Under cathodoluminescence(CL), radiation-damage halo is often found in quartz, adjacent to radioactive minerais(e,g, Smith and Stenstrom,1965; Owen,1988; Komuro et al, 1995).As CL emission of quartz is not so strong, it is difficult to recognize faint CL
Horikawa Yoshitada, Komuro Kosei
core  

Supplementation of Vitamin D. [PDF]

open access: yesArq Bras Cardiol, 2021
Okoshi MP   +4 more
europepmc   +1 more source

A new toothless pterosaur from the Early Cretaceous Jehol Biota with comments on the Chaoyangopteridae. [PDF]

open access: yesSci Rep, 2023
Wang X   +13 more
europepmc   +1 more source

Cardiovascular mortality in peritoneal dialysis: the impact of mineral disorders. [PDF]

open access: yesJ Bras Nefrol, 2021
Truyts C   +4 more
europepmc   +1 more source

Demineralized human dentin matrix for alveolar ridge preservation using a volumetric and histologic analyses in rats. [PDF]

open access: yesBraz Dent J, 2022
Moraes GF   +5 more
europepmc   +1 more source

High prevalence of biochemical disturbances of chronic kidney disease - mineral and bone disorders (CKD-MBD) in a nation-wide peritoneal dialysis cohort: are guideline goals too hard to achieve? [PDF]

open access: yesJ Bras Nefrol, 2021
Weissheimer R   +8 more
europepmc   +1 more source

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