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Phytoextraction of heavy metals from the soil of Aurora-Patricia mining environmental liability by herbaceous species Carex mandoniana, Equisetum bogotense, and Muehlenbeckia tamnifolia, La Encañada-Peru 2020
(Springer, 2021-06-15)
Acceso abierto
ABSTRACT
The Cajamarca region has a large number of mining environmental liabilities; one of them is the former mining company Aurora - Patricia, which operated in the small town of Polloc. Since 1985 its operations have ...
Identification of Herbaceous Flora with a greater value of importance and evaluation of its phytoremediator capacity in contaminated soils, Tumbacucho – Peru
(Springer, 2021-06-15)
Acceso abierto
ABSTRACT
A study was carried out to identify herbaceous flora with greater importance value and evaluate its potential capacity of phytoremediation in mining-contaminated soils. The study analyzed three soil samples, two ...
Arduino-based prototype for measuring chlorinated solution volumes in water treatment systems
(Springer, 2021-06-15)
Acceso abierto
ABSTRACT
Poor drinking water quality in rural areas is still a common issue in Latin American countries, mainly because of the flaws in drinking water systems. For example, in Peru, drinking water chlorination systems ...
Identification of the trophic state of the San Nicolas lake, Namora-Peru through the quantification of chlorophyll a, nitrates, phosphates and transparency
(Springer, 2021-06-15)
Acceso abierto
ABSTRACT
Eutrophication is a global problem that has been progressively destroying aquatic ecosystems; due to this, it was decided to evaluate and analyze one of the most representative lakes in the region: The San Nicolas ...
Proposal of remuneration mechanisms for water ecosystem services in the San Lucas river - Cajamarca-Perú [Planteamiento de mecanismos de retribución por servicios ecosistémicos hídricos en el río San Lucas-Cajamarca-Perú]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
La actual ineficiencia y calidad hídrica, además de la degradación de los ecosistemas acuáticos llevo a que en el año 2017 se publique la Resolución De Consejo Directivo Nº 027-2019-SUNASS-CD (modificatoria de la R.C.D. ...
Combining ultrasound, vacuum and/or ethanol as pretreatments to the convective drying of celery slices
(Elsevier, 2021-10-08)
Acceso abierto
This work studied three emerging approaches to improve the convective drying (50 ◦C, 0.8 m/s) of celery. Celery
slices of 2 mm thick were pretreated for 5 min using ultrasound (32 W/L, 40 kHz), vacuum (75 kPa vacuum
pressure) ...
Effect of forest fires on the C/N ratio of the soil [Efecto de los incendios forestales en la relación C/N del suelo]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
Los incendios forestales afectan al suelo con respecto a sus propiedades físicas, químicas y biológicas; evidenciándose principalmente una degradación intensa, así como la modificación de los valores de concentración de ...
Microbiological quality of the indoor air of the central market of Cajamarca - Peru [Calidad microbiológica del aire interior del mercado central de Cajamarca - Perú]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
Los mercados en Latinoamérica son centro de conglomeración de personas, siendo estos en muchas ocasiones centros de dispersión de agentes patógenos como se ha visto en diferentes trabajos de investigación y en los diversos ...