Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Edgar Vallar"'
Autor:
Jumar Cadondon, Nadine Grace Caido, Maria Cecilia Galvez, Ofelia Rempillo, Jose Esmeria, Jr., Edgar Vallar
Publikováno v:
Environmental Advances, Vol 16, Iss , Pp 100526- (2024)
Globalization and industrialization have increased the shipping activities in Metro Manila. This increase in economic activity has contributed to the exacerbation of atmospheric particle pollution, particularly black carbon (BC) and particulate matte
Externí odkaz:
https://doaj.org/article/12fa03a9e47948d7ad0de0d0643e9154
Autor:
Jumar Cadondon, Edgar Vallar, Floro Junior Roque, Ofelia Rempillo, Paulito Mandia, Aileen Orbecido, Arnel Beltran, Custer Deocaris, Vernon Morris, Lawrence Belo, Maria Cecilia Galvez
Publikováno v:
Heliyon, Vol 9, Iss 9, Pp e19459- (2023)
One of the industrialized cities in the Philippines is Meycauayan, Bulacan. This study reports the elemental distribution and source apportionment in eight varying land cover-land use type sampling points located along the Marilao-Meycauayan- Obando
Externí odkaz:
https://doaj.org/article/84c60a0bbc074ddfa409f3d733c8ab51
Autor:
Jumar Cadondon, James Roy Lesidan, Jejomar Bulan, Edgar Vallar, Tatsuo Shiina, Maria Cecilia Galvez
Publikováno v:
Engineering Proceedings, Vol 58, Iss 1, p 80 (2023)
Algal Organic Matter (AOM) is derived from the dissolved organic matter composition of the algal species being observed. In this study, excitation–emission fluorescence spectroscopy was used to determine Chlorella sp.’s AOM and pigment characteri
Externí odkaz:
https://doaj.org/article/eb14502e251d45e7b12cc345779de5a4
Autor:
Maria Cecilia Galvez, Jumar Cadondon, Paulito Mandia, Ernest Macalalad, Edgar Vallar, Tatsuo Shiina
Publikováno v:
Engineering Proceedings, Vol 58, Iss 1, p 89 (2023)
Optical coherence tomography (OCT) is an imaging tool used to visualize the cross-section of a sample. Additionally, this device can measure the sample’s physical properties. This experiment used a portable version to measure the epidermal thicknes
Externí odkaz:
https://doaj.org/article/7d935b00da23416c99807fd21abd9537
Publikováno v:
Engineering Proceedings, Vol 56, Iss 1, p 9 (2023)
Coffee Robusta (Coffea canephora) increased its total production by 73.5% during the first quarter of 2023. In this study, twenty (20) samples each of healthy and infected coffee leaves were measured for their transmittance properties in the UV-Vis a
Externí odkaz:
https://doaj.org/article/15a96d46be6e4d3a9fb04a90c76140e1
Publikováno v:
Science and Technology Indonesia, Vol 6, Iss 4, Pp 319-327 (2021)
Externí odkaz:
https://doaj.org/article/43f4d22e490b4e389627d8eb0a4447da
Publikováno v:
Sustainable Environment Research, Vol 29, Iss 1, Pp 1-17 (2019)
Abstract Metro Manila, Philippines and other urban areas have reached internationally known unacceptable levels of pollution where about 80% can be attributed to vehicular emissions. The Weather Research and Forecasting model coupled with Chemistry v
Externí odkaz:
https://doaj.org/article/18eeaf68e25e4100b35db2771424f9c0
Publikováno v:
Atmosphere, Vol 13, Iss 6, p 939 (2022)
Satellite remote sensing for air quality assessment provides information over a large spatial coverage and time period that shows the trends and effects of anthropogenic activities. Using data collected from the Moderate Resolution Imaging Spectrorad
Externí odkaz:
https://doaj.org/article/89f92b73a1f24d57a036ec5ea981ab7c
Autor:
Ma. Katrina Gale Estonilo, Joedith Anne Cazeñas, Carlos Josef Villafuerte, Custer Deocaris, Gloriamaris Caraos, Gerardo Jose Robles, Maria Cecilia Galvez, Celia Asaad, Edgar Vallar
Publikováno v:
Atmosphere, Vol 13, Iss 1, p 6 (2021)
Urban air quality is increasingly being studied as a fraction of the world’s population is living in megacities. In this study, particulate matter (PM) along Taft Avenue, Manila, the Philippines, is investigated in terms of its ability to induce ge
Externí odkaz:
https://doaj.org/article/3b28f25dba094c8ba4f03011ef6c486d
Autor:
Leizel Madueño, Simonas Kecorius, Wolfram Birmili, Thomas Müller, James Simpas, Edgar Vallar, Maria Cecilia Galvez, Mylene Cayetano, Alfred Wiedensohler
Publikováno v:
Atmosphere, Vol 10, Iss 10, p 603 (2019)
Poor air quality has been identified as one of the main risks to human health, especially in developing regions, where the information on physical chemical properties of air pollutants is lacking. To bridge this gap, we conducted an intensive measure
Externí odkaz:
https://doaj.org/article/045f255915ed4ed7b7e466a391d11ed8