Physical Sciences and Engineering

Burns are skin injuries caused by contact with hot bodies. This contact triggers lesion in skin receptors characterized by denervation, development of hyperalgesia and disorganized depolarization, depending on the extent and depth of the burn, the pain may be of greater or lesser intensity. 100% of burn patients report pain at some point during their hospitalization, either from the moment of their injury and / or during some of the treatment phases, which can be divided as follows.

A new “off-on” probe for Fe3+ based napthalimide modified benzoyl hydrazine derivative was designed and synthesized. The proposed probe P showed good selectivity to Fe3+ compared to other common metal ions and anions. The absorbance of P was proportional to the concentration of Fe3+ in the range of 9.0 × 10-6 to 6.5 × 10-5 M with a detection limit of 3.0 × 10-6 M.

In this paper we have done the numerical study of the magneto thermal convection of air in a rectangular enclosure. We use the finite volume method to solve numerically the dimensionless Navier-Stokes equations that govern our flow. This resolution goes through the sequences of the SIMPLER algorithm which summarizes the different calculation steps. An essential part of the literature in the field is in agreement with the results of our numerical simulation.

El bruxismo se define como una actividad repetitiva de los músculos de la masticación, caracterizada por apriete y rechinamiento de los dientes, que puede presentar atrapamiento o deslizamiento de la mandibula. es considerado un fenómeno regulado por el sistema nervioso central, principalmente, e influido por factores periféricos. Tiene dos manifestaciones circadianas distintas: puede ocurrir durante el sueño -indicado como bruxismo nocturno- o durante la vigilia -indicado como bruxismo diurno.

Antecedentes: Los trastornos neurológicos que requieren de tratamiento quirúrgico de acuerdo con la Organización Mundial de la Salud (OMS) representan la segunda causa de mortalidad en el mundo. En México se presentan cerca de 170 mil infartos cerebrales, hasta octubre del 2018, ocasionando así lesiones cerebrales primarias incrementando los ingresos a la unidad de cuidados intensivos. Los diagnósticos postoperatorios de trastornos neurológicos no tratados correctamente pueden provocar lesiones cerebrales secundarias y por consiguiente incapacidades permanentes.

Cyber insurance is an influential means for educating Internet security. Cyber insurance has progressed from outmoded insurance rules to primary cyber risk insurance rules to contemporary compete cyber insurance products. E-insurance rules are attractive more complete as insurance corporations better comprehend the sight of dangers and detailed commercial requirements. More precisely, cyber-operators discourse what remained measured insuperable difficulties (e.g., asymmetric data, moral threat, negative collection, etc.).

Saudi Arabia is among the countries that have very high prevalence rates of diabetes and hypertension, with prevalence rates of almost 18% and 25%, respectively. The majority of patients with diabetes and hypertension fail to manage their diseases and to show up for their follow up appointments. Mhealth technology is among the interventions that have been recently adopted to overcome these issues and improve the quality of healthcare services.

The Internet of Things (IoT) has the potential to transform healthcare dramatically via changing the way hospitals, clinics, and other healthcare facilities collect and use data. IoT can bring together major technical and business trends related to mobility, automation, and data analysis to improve patient care delivery. IoT is the networking of physical objects such as on-board sensors, actuators, and other equipment that collect and transmit activity information in real-time across the network.

Recently, with the development of digital technology and the spread of the social media network and made the communication of human beings between each other more easily, but with the put the personal information and private evidence and the participation of others via the Internet, it causes a great danger that this information can be exploited and collected, and from this a new concept called social engineering has spread that is the attackers or whoever wants Damage to people searches and collects personal and confidential information to penetrate and cause harm to the victim.

Household hazardous waste is hazardous waste generated by households in relatively small quantities (between 1% and 4% of municipal solid waste) and containing toxic or labeled toxic, flammable, reactive, explosive or corrosive chemicals such as automobile products, cleaning products, personal care products, maintenance products, unused medications, insecticides, garden pesticides, products containing heavy metals, photographic chemicals. Many of these wastes are regulated at the industrial level in larger quantities.