22 research outputs found

    Logística y precio de venta en la distribución de Snack en la Empresa NSG Inversiones Generales E.I.R.L de la ciudad de Cusco en el periodo 2018

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    La Investigación “GESTIÓN LOGÍSTICA Y PRECIO DE VENTA EN LA DISTRIBUCIÓN DE SNACK EN LA EMPRESA NSG INVERSIONES GENERALES E.I.R.L DE LA CIUDAD DE CUSCO EN EL PERIODO 2018”, tiene como objetivo describir la gestión logística y el precio de venta para la distribución de Snack, en la empresa NSG Inversiones Generales E.I.R.L de la ciudad de Cusco en el periodo 2018. En el presente trabajo se ha aplicado investigación básica, la cual incrementa conocimientos inherentes a gestión logística y precio de venta, en la empresa NSG Inversiones Generales E.I.R.L de la ciudad de Cusco, con enfoque cuantitativo, alcance descriptivo, con un diseño no experimental, la población y muestra está constituida por la documentación contable de manejo logístico de la empresa en mención así como documentos de venta de mercaderías, se aplicó la técnica de análisis documental, datos que fueron recogidos en el trabajo de campo y su posterior análisis con ayuda del Microsoft Excel. Los resultados nos hacen concluir en que las compras en la empresa NSG Inversiones Generales E.I.R.L para la distribución de Snack en la ciudad de Cusco en el periodo 2018, no aplica en su totalidad, las técnicas específicas de adquisición de bienes, ya que la empresa sólo maneja órdenes de compras, omitiendo las cotizaciones, selección de proveedores, y que las órdenes de compra se manejaron incipientemente, el transporte y los materiales se manejan deficientemente, la determinación del precio de venta en la empresa NSG Inversiones Generales E.I.R.L para la distribución de Snack en la ciudad de Cusco en el periodo 2018, se determina técnicamente.The problem of the research is focused on logistics management and sales price for the distribution of Snack, where it is observed that the company does not apply in its entirety, the specific techniques of acquisition of goods, since the company only handles purchase requisition, omitting the quotations, selection of suppliers, and that purchase orders are being handled inadequately. Whose idea, concepts and applications, has been traditionally understood as responsibility in the logistics in which they are not handled properly in the company, as well as the determination of sales prices without inadequate generating unrealistic profits for the company. By developing the present research work, it has been determined the inadequate management of the company in what refers to the logistics management and the determination of its prices that are unreal, having as a legal basis for the procedures of the basic orientation that allows them to work properly and thus be able to meet the objectives in the company NSG Inversiones Generales E.I.R.L. The present study consists of five chapters: Chapter I: Introduction, contains the problem statement, the formulation of the problem, the objectives of the research, the justification of the research and the delimitation of the research. Chapter II: Theoretical Framework, contains the background of the research, the legal bases, theoretical bases, conceptual framework, the formulation of the hypothesis and the study variable. Chapter III: Research Method, contains the type of research, research approach, research design, research scope, population and sample, data collection techniques and data processing. Chapter IV: Research Results, contains tables and graphs with their respective interpretations. Chapter V: Discussion, contains the descriptions of the most relevant and significant findings, the limitations of the study, the critical comparison with the current literature and the implications of the study

    A palaeobiological window into the Lower Cretaceous Cupido Formation: Puerto México section, Nuevo Leon, Mexico

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    Abstract: A rich geobiological record of Cretaceous biotic and abiotic interactions around the protoGulf of Mexico has been preserved in the massive Cupido carbonate platform, i.e., in a sedimentary sequence that represents a depositional period of approximately 15 Myr. This work documents lateral facies variation on a dip slope reef from a new outcrop in the upper part of the Cupido Formation in the state of Nuevo Leon, Mexico. The measured transect is correlated with a stratigraphic column logged in a nearby section. The preserved fossil biota represents marginal reef facies dominated by abundant rudist shells such as Douvillelia skeltoni, Toucasia sp., Offneria sp., and Amphitrocoelus sp. associated with relatively large colonial corals (with diameters up to 25 cm) like Stelidioseris sp. and to a lesser extent, with stromatoporoids. Benthic foraminifers (miliolids and textularids) with associated dasycladalean algae such as Salpingorella sp. and Terquemella spp. dominate the microfossiliferous content in wackestones to packstones. This facies is overlain by a thin (15-30 cm) stromatolite horizon at the upper end of the measured section. This locality represents a new paleobiological and taphonomic window into one of the most extensive carbonate platform system developed along the margin of the Gulf of Mexico during the Cretaceous. Résumé : Une fenêtre paléobiologique dans la Formation Cupido du Crétacé inférieur : la coupe de Puerto México, Nuevo León, Mexique.- Un enregistrement géobiologique diversifié des interactions biotiques et abiotiques crétacées sur le pourtour du proto-Golfe du Mexique a été préservé au sein de l'imposante plate-forme carbonatée de Cupido, c'est-à-dire dans une séquence sédimentaire qui correspond à une période de dépôt d'une durée approximative de 15 Ma. Ce travail met en exergue la variation latérale des faciès récifaux sur le flanc long (faiblement pentu) d'un nouvel affleurement monoclinal correspondant à la partie supérieure de la Formation Cupido dans l'état de Nuevo León, Mexique. Le transect étudié est corrélé avec la colonne stratigraphique établie dans une coupe proche. Le biote fossile préservé correspond aux faciès de bordure du récif où abondent les coquilles de rudistes, tels que Douvillelia skeltoni, Toucasia sp., Offneria sp. et Amphitrocoelus sp., ces derniers y étant associés à des colonies relativement grosses (avec des diamètres atteignant jusqu'à 25 cm) de coraux tels que Stelidioseris sp. et, dans une moindre mesure, avec des stromatoporoïdés. Les foraminifères benthiques (miliolidés et textularidés), en association avec des algues dasycladales telles que Salpingorella sp. and Terquemella spp., dominent le contenu microfossilifère des wackestones à packstones. Ce faciès est surmonté à la partie sommitale de la coupe étudiée par un mince horizon stromatolithique (15-30 cm). Cette localité offre une nouvelle fenêtre paléobiologique et taphonomique au sein de l'un des plus vastes systèmes de plates-formes carbonatées développées sur le pourtour du Golfe du Mexique au cours du Crétacé

    Petroleum Engine ering as a (still) Promising Care er in Geosciences? An Empirical Exam ple in No rtheastern Mexico

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    More than ever, it is the time to increase the number of engineering students applying to geosciences in order to satisfy the growing national challenges and administrate our natural resources in a responsible and sustai nable manner. This work analyzes the petroleum engineer career at the UANL through a n 8 yr experience in order to critically evaluate the current academic profile that Petroleum Engineers need within a global and shared world. This brief appraisal also pr esents an updated revision of all certified academic programs offering the Petroleum Engineering career in Mexico. At the same time, this work also proposes a modest but realistic academic modality for this particular career to better fulfill the actual ac ademic and industrial demands on this area. Adjusting the academic geoscience workforce implies a redefinition of curricular programs, values and competences for this ca reer in a synergic action with government policies and public and private employees wor ldwide. Certainly, the change should be the driving force to design modern up to date professional profiles and better oil professional s with a global perspective to take on alternative development

    Perspective on the Role of Academic Journals on Scientific Colonialism in Paleontology

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    Academic journals have developed policies that globally regulate the specific protocols that must be followed when using sensitive medical, biological, chemical, and genetic data in research. Yet, paleontological material seems to be excluded. We performed a submission policy search to test the extent of this legal gap in light of colonialism. Results show that, even though most journals adhere to broad ethical guidelines, they do not systematically provide information regarding fossil permits and specifications on their collection and storage, as well as other relevant data (N = 108, > 80% in Asia and North America, > 65% in Europe and Latin America). This problem impacts educational, economical, and scientific development, perpetuates illegal trafficking, and boosts scientific colonialism. It is necessary to implement a mandatory policy for fossil handling, including ethical and legal management in the submission guidelines of journals, and to request that this information is included in materials and method sections

    Chronic venous insufficiency: a review

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    Chronic venous insufficiency (CVI) comprises a complete spectrum of morphological and functional abnormalities of the venous system1 including any long-term functional and morphological alteration. CVI accounts for several abnormalities of the venous system. It is a highly prevalent disease that causes serious economic consequences, a decrease in the quality of life and can lead to serious complications. An exhaustive review was performed with the available literature, using the PubMed, ScienceDirect, Scopus and Cochrane databases from 2004 to 2021. The search criteria were formulated to identify reports related to chronic venous insufficiency. The pathophysiology of chronic venous insufficiency begins with chronic venous hypertension and the dilation of the vessel, this leads to a series of pathological changes in the venous wall and surrounding tissues, in advanced stages of CVI, skin lesions are associated with an increased proliferation of skin capillaries and microcirculatory abnormalities that may be the result of an altered level of factors responsible for the angiogenic response, such as vascular endothelial growth factor (VEGF), fibroblast growth factor 2 (FGF2) and angiostatin. In this review, updates on pathophysiology, clinic, diagnosis, classification and treatment of this disease are analyzed, with special emphasis on therapeutic options. Chronic venous insufficiency is a disease that affects the patient at several levels, mainly diminishing his/her quality of life. Currently there are various treatments ranging from habit modifications, pharmacological, to endovenous and surgical treatment.

    ADVANCING THE QUALITY AND EQUITY OF EDUCATION FOR LATINO STUDENTS: A WHITE PAPER

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    Microstructure analysis in stromatolites from the tarahumara formation in Sonora, Mexico

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    Intergranular critical current jc of bi-2223 ceramics based in ac magnetic susceptibility measurements

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    Las medidas de susceptibilidad magnética ac como función de la temperatura en muestras de la ce-rámica Bi2Sr2Ca2Cu3Oy (Bi-2223) han sido usadas para calcular la densidad de corriente crítica in-tergranular JC cerca de la temperatura de transición superconductora TC. La JC es obtenida de los valores de la amplitud de campo hac aplicado a la muestra correspondiente a las temperaturas TP, donde la componente imaginaria ?² es máxima. Fueron obtenidos valores de JC entre 1.3 y 2.2 A/cm2 en el rango de temperaturas entre 94 y 100 K
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