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A review on anaerobic membrane bioreactors (AnMBRs) focused on modelling and control aspects
Robles, Á,ngel,Ruano, Maria Victoria,Charfi, Amine,Lesage, Geoffroy,Heran, Marc,Harmand, Jé,rô,me,Seco, Aurora,Steyer, Jean-Philippe,Batstone, Damien J.,Kim, Jeonghwan,Ferrer, Jos&eac Elsevier 2018 Bioresource technology Vol.270 No.-
<P><B>Abstract</B></P> <P>The use of anaerobic membrane bioreactor technology (AnMBR) is rapidly expanding. However, depending on the application, AnMBR design and operation is not fully mature, and needs further research to optimize process efficiency and enhance applicability. This paper reviews state-of-the-art of AnMBR focusing on modelling and control aspects. Quantitative environmental and economic evaluation has demonstrated substantial advantages in application of AnMBR to domestic wastewater treatment, but detailed modelling is less mature. While anaerobic process modelling is generally mature, more work is needed on integrated models which include coupling between membrane performance (including fouling) and the biological process. This should include microbial factors, which are important to generation of specific foulants such as soluble and particulate inert organics. Mature and well-established control tools, including better feedback control strategies are also required for both the process, and for fouling control.</P> <P><B>Highlights</B></P> <P> <UL> <LI> AnMBR needs further research to optimize process efficiency. </LI> <LI> Modelling can provide insight into the factors playing a key role in AnMBR. </LI> <LI> Process models still face a long path to adaptation in practice. </LI> <LI> Better understanding of fouling mechanisms in AnMBRs is required. </LI> <LI> Control strategies can be further optimized from mechanistic knowledge of fouling. </LI> </UL> </P>
Robles, Kevin Paolo(로블스 케빈 파올로),Kee, Seong-Hoon(기성훈) 대한건축학회 2021 대한건축학회 학술발표대회 논문집 Vol.41 No.2
The main objective of this study is to evaluate the effect of the presence of a surface breaking crack in the electrical potential field in concrete specimens. A numerical simulation using COMSOL Multiphysics v5.5 is used in analyzing the change in the electrical potential difference (ΔV) in concrete with varying crack width, length and depth. It is concluded that the increase in the dimension of the crack also increases the value of the relative electrical potential difference (ratio of ΔV in cracked concrete over ΔV in solid concrete). This result is only applicable on cracks having air voids. For cracks filled with water, its effect on the ER measurement can be considered negligible.
Blastocystis species and Gastrointestinal Symptoms in Peruvian Adults Attended in a Public Hospital
Robles-Cabrera Mayra Ximena,Maguiña Jorge L.,Gonzales-Huerta Luis,Panduro-Correa Vicky,Dámaso-Mata Bernardo,Pecho-Silva Samuel,Navarro-Solsol Ana Claudia,Rabaan Ali A.,Rodríguez-Morales Alfonso J.,Art 대한감염학회 2021 Infection and Chemotherapy Vol.53 No.2
The objective of this study was to evaluate the role of Blastocystis sp. in gastrointestinal symptoms reported by adult patients in a Peruvian hospital. A case-control 3:1 study was performed at the outpatient clinic. Direct stool examinations were done. One hundred sixty patients were included, 40 cases and 120 controls. Positivity to Blastocystis sp. was associated with dyspepsia (P <0.001), bloating (P <0.001) and abdominal pain (P = 0.03) in patients attending our hospital outpatient clinic.
Robles, Norbert John C.,Han, Hae Jung,Park, Su-Jin,Choi, Young Ki 대한백신학회 2018 Clinical and Experimental Vaccine Research Vol.6 No.1
<P>Over the past ten years there has been a marked increase in cases of severe fever and thrombocytopenia syndrome in East Asia. This tick-borne hemorrhagic fever presents along with clinical signs including high fever and leukopenia. In addition to humans, the virus has also been detected with shared genetic homology in farm animals including goats, cattle, horses, and pigs. Furthermore, several genotypes of severe fever and thrombocytopenia syndrome virus (SFTSV) are currently co-circulating between humans and animals. In China, where the virus was first detected in rural areas in 2009, the SFTSV mortality rate has been reported to be as 6% and higher than 30%, especially in immuno-compromised patients. Moreover, this virus has been isolated in neighbor countries including Japan and South Korea where the fatality rates in 2015 were more than 30% in both countries. In this review, we comprehensively summarize the virology, genotypes, pathogenesis, and epidemiology of SFTSV infection in humans and animals. Currently, a collaborative global approach against SFTSV infection is being undertaken; however, the need for continuous disease surveillance and production of an effective vaccine is imperative as this virus may lead to an epidemic of irreversible status in both humans and animals.</P>
La institución Matrimonial : Registros literario y legal en el siglo XIX mexicano
Robles, María Guadalupe Sánchez 서울대학교 스페인중남미연구소 2006 이베로아메리카硏究 Vol.17 No.-
Toda sociedad realiza actos simbólicos que, simultáneamente, la instituyen y preservan. Son actos que le permiten fundarse y confirmarse, reconocerlos como emblemas de sus aspiraciones y de los compromisos a los que ella misma se somete. En realidad, se trata de marcas de identificación, de momentos privilegiados -rituales- cargados de significados. La literatura, en sí, podría sumarse a ese quehacer simbólico, como medio de conocimiento, de fundación y de proyecto. El interés por investigar esos registros se centra en el caso concreto de la literatura mexicana de finales del siglo XIX, entendiendo a este período como un momento crucial en la definición del concepto identitario nacional. Como temas primordiales de esta búsqueda resulta por demás atractivo reconocer en el sistema literario la representatividad de nociones y prácticas como la genérica, la institución familiar y sus vínculos con los factores ideológicos. En suma, se considera factible reconocer una realidad mediatizada como lo es la literatura, con un contexto específico. La representación femenina en lo literario es un campo cuyos orígenes e implicaciones debe de vincularse con una idea de lo nacional, con la formalización de investigaciones cuyo objetivo final es el reconocimiento de ciertas prácticas sociales que ahora mismo nos identifican y preparan para una mayor comprensión de nuestra trayectoria social, política y cultural. El presente trabajo se centra sobre la novela histórica del jalisciense Victoriano Salado Álvarez, Los episodios nacionales mexicanos, cuya primera serie fue publicada en 1902^(1). Fecunda e intensa labor del escritor para ofrecer un testimonio, una relectura del pasado, la cual propicia una visión de su presente. Sin embargo, dicha visión no puede ser entendida como una concreción testimonial neutra o imparcial: existen signos inequívocos del profundo compromiso con el mandato de Porfirio Díaz, el presidente de México que se perpetuó en el poder por más de treinta años. Aquí, los eventos narrados utilizan el recurso perenne, en la realidad nacional del discurso didáctico. La historia y la literatura tienen un sentido claro e intentan inocular a los lectores las bondades maniqueas del presente porfirista en detrimento del caótico pasado. La lección no sólo invade a las categorías temporales. Juan Pérez de la Llana, personaje narrador principal y alter ego del escritor, se convierte, a su vez, en el modelo de conducta ideal, signo de una ética y de una moral, síntesis de las aspiraciones de una búsqueda individual y colectiva. La constitución de una cadena de conveniencias no sólo opera en lo diegético sino que sus consecuencias aparecen en la confirmación y solidificación de una clase social emergente: un grupo de políticos, intelectuales y artistas en pleno ejercicio de validación.
Securing Internet-based SCADA Wireless Component Communication
Robles, Rosslin John,Kim, Tai-hoon The Institute of Internet 2012 International Journal of Internet, Broadcasting an Vol.4 No.1
Traditionally SCADA is connected only in a limited private network. With new technology and facilities, there are also demands of connecting SCADA though the internet. The internet SCADA facility has brought a lot of advantages in terms of control, data viewing and generation. Aside from connecting SCADA to the internet, there are also operators who want to connect their system wirelessly. This can save budget for communication lines. Along with the advantages it brings, are security issues regarding wireless internet SCADA. In this paper, we discuss internet SCADA, its connection through wireless communication and the security issues surrounding it. To answer the security issues, a symmetric-key encryption for internet SCADA is proposed.