Los excelentes indicadores que viene reflejando últimamente la empresa Amazon se deben en gran medida, a la convergencia de un acertado liderazgo su modelo de negocio –mayoritariamente basado en el ecommerce– y unido a lo anterior, oportunidades globales excepcionales para la empresa debidas , a la pandemia del COVID-19.Ahora bien, debemos des
In the title compound, C16H19N2+·C6H4BrO3S−, the cation is nearly planar, with a dihedral angle Trouser of 3.19 (15)° between the pyridinium and the dimethylaminophenyl rings, and exists in the trans configuration.In the crystal packing, the cations and anions are linked into chains parallel to the c axis.These chains are stac
Roxburgh rose juice, lotus root starch and sucrose were taken as the raw materials, the taste, fragrance, color and texture were taken as the indicators of sensory test, the optimal processing and recipe of starchy roxburgh rose gel soft sweet were investigated by the single factor experiment and response surface analysis.The single factor experime
The extraction of keywords is a critical task in natural language processing and information retrieval.It has become increasingly important in a wide range of applications, from search engines and e-commerce platforms to news and social media analysis.However, the evaluation of keyword extraction methods remains a challenging task due to the divers
BackgroundSuicide is a leading cause of premature death in people with a diagnosis of schizophrenia.Although exposure to stressors can play a part in the pathways to death by suicide, there is evidence that some people with a diagnosis of schizophrenia can be resilient to the impact of suicide triggers.AimsTo investigate factors that contribute to