Relevant bibliographies by topics / NVG

Academic literature on the topic 'NVG'

Author: Grafiati
Published: 4 June 2021
Last updated: 31 January 2023

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Journal articles on the topic "NVG"

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Son, Hyeon Woo, Jung Min Park, and Myeong In Yeom. "Neovascular Glaucoma after Diabetic Vitrectomy: Incidence and Risk Factors." Journal of the Korean Ophthalmological Society 62, no. 7 (July 15, 2021): 963–68. http://dx.doi.org/10.3341/jkos.2021.62.7.963.

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Purpose: The prevalence and risk factors of neovascular glaucoma (NVG) after diabetic vitrectomy were evaluated. Methods: This retrospective study included 171 eyes of 141 patients who underwent diabetic vitrectomy in-hospital between March 2013 and July 2019 and were followed for >12 months postoperatively. Regardless of the presence or absence of neovascularization in the anterior segment, all patients received injections of intravitreal bevacizumab during vitrectomy. Patients with preoperative neovascularization in iris (NVI) or angle (NVA) received both intracameral and intravitreal bevacizumab injections. Data were collected regarding baseline demographics, preoperative best-corrected visual acuity, intraocular pressure, hypertension, NVG in the fellow eye, panretinal photocoagulation history, iris and angle neovascularization, and postoperative findings (e.g., rebleeding and residual retinal detachment). Results: In total, 141 patients and 171 eyes were included in the study, and the incidence of postoperative NVG was 5.85% (10 patients). Five patients (27.78%) with preoperative NVI or NVA developed postoperative NVG. Significant risk factors for postoperative NVG were preoperative NVA or NVI (odds ratio [OR] = 16.428, p = 0.003), shorter diabetic duration (OR = 0.853, p = 0.033), and the absence of preoperative panretinal photocoagulation (OR = 0.006, p = 0.035). Conclusions: There is a high possibility of postoperative NVG in patients with preoperative NVI or NVA, a short duration of diabetes, and no preoperative panretinal photocoagulation. In such patients, close monitoring is required after diabetic vitrectomy.
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Urbonavičiūtė, Danielė, Dovilė Buteikienė, and Ingrida Janulevičienė. "A Review of Neovascular Glaucoma: Etiology, Pathogenesis, Diagnosis, and Treatment." Medicina 58, no. 12 (December 18, 2022): 1870. http://dx.doi.org/10.3390/medicina58121870.

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Neovascular glaucoma (NVG) is a rare, aggressive, blinding secondary glaucoma, which is characterized by neovascularization of the anterior segment of the eye and leading to elevation of the intraocular pressure (IOP). The main etiological factor is retinal ischemia leading to an impaired homeostatic balance between the angiogenic and antiangiogenic factors. High concentrations of vasogenic substances such as vascular endothelial growth factor (VEGF) induce neovascularization of the iris (NVI) and neovascularization of the angle (NVA) that limits the outflow of aqueous humor from the anterior chamber and increases the IOP. NVG clinical, if untreated, progresses from secondary open-angle glaucoma to angle-closure glaucoma, leading to irreversible blindness. It is an urgent ophthalmic condition; early diagnosis and treatment are necessary to preserve vision and prevent eye loss. The management of NVG requires the cooperation of retinal and glaucoma specialists. The treatment of NVG includes both control of the underlying disease and management of IOP. The main goal is the prevention of angle-closure glaucoma by combining panretinal photocoagulation (PRP) and antiangiogenic therapy. The aim of this review is to summarize the current available knowledge about the etiology, pathogenesis, and symptoms of NVG and determine the most effective treatment methods.
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Su, Cheng-Wen, Yue-Cune Chang, Cheng-Li Lin, and Hsin-Yi Chen. "Association of Neovascular Glaucoma with Risk of Stroke: A Population-Based Cohort Study." Journal of Ophthalmology 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/1851568.

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Neovascular glaucoma (NVG), caused by ocular ischemia, is a serious ocular disease complicated by intractably increased intraocular pressure. Cerebrovascular accidents are classified into ischemic and hemorrhagic stroke. Based on the similar pathogenic mechanisms of NVG and ischemic stroke, we investigated the relationship between NVG and stroke by using a nationally representative sample. This study included 416 NVG patients and 4160 controls. Medical comorbidities were also evaluated. The cumulative incidence of ischemic stroke was 15.6% higher in the NVG cohort than in the control cohort (p<0.001); the incidence density rates of stroke were 3.80 and 1.19 per 10,000 person-years in the NVG and control cohorts, respectively. According to the multivariable Cox regression results, the estimated adjusted hazard ratio (aHR) of stroke was 2.07 (95% confidence interval (CI) = 1.41–3.02) for the NVG cohort. Furthermore, the NVG cohort was 2.24-fold more likely to develop ischemic stroke (95% CI = 1.51–3.32). The risk of ischemic stroke was higher in patients with hypertension (aHR = 2.09, 95% CI = 1.55–2.82) and in patients with diabetic retinopathy (aHR = 1.69, 95% CI = 1.05–2.72). Notably, patients with NVG have a higher risk of ischemic stroke, but not hemorrhagic stroke.
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Gubbay, JB, A. Al-Rezqi, M. Hawkes, L. Williams, SE Richardson, and A. Matlow. "The Role of Torovirus in Nosocomial Viral Gastroenteritis at a Large Tertiary Pediatric Centre." Canadian Journal of Infectious Diseases and Medical Microbiology 23, no. 2 (2012): 78–81. http://dx.doi.org/10.1155/2012/134961.

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OBJECTIVE: To describe the viral etiology and epidemiology of nosocomial viral gastroenteritis (NVG) at a tertiary care pediatric hospital and identify any changes over the past two decades.METHODS: Retrospective review of all patients with laboratory-confirmed NVG at The Hospital for Sick Children (Toronto, Ontario), from January 1, 2004, to December 31, 2005.RESULTS: One hundred forty-two episodes of NVG were found among 133 patients, occurring in 0.48 of 100 admissions. The median age was two years; 42% were <1 year of age and 41% were immunocompromised. The most commonly detected pathogen was torovirus (67% of episodes), followed by rotavirus (19%) and adenovirus (9%). Seventy-five cases (53%) were epidemiologically linked in 32 separate clusters (median cluster size two, range two to four). The NVG rate fell from 0.63 of 100 to 0.22 of 100 admissions after March 2005 (P<0.001) when enhanced infection control precautions were instituted in response to an outbreak of vancomycin-resistantEnterococcus.CONCLUSIONS: Torovirus remains the most commonly identified cause of NVG at The Hospital for Sick Children. Most NVG cases were epidemiologically linked, and a significant reduction in cases occurred after the institution of enhanced infection control practices following an outbreak of vancomycin-resistantEnterococcus. Improved education and surveillance for NVG should lead to further reduction in this problem.
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5

Bilge, Sedat, A. Aydin, and U. Yakut. "Comparative evaluation of the efficacy of using monocular, binocular and panoramic night vision goggles in successful venous access in darkness." BMJ Military Health 166, no. 3 (April 20, 2019): 135–39. http://dx.doi.org/10.1136/jramc-2019-001173.

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IntroductionThe use of night vision goggles (NVGs) by medical staff operating in active combat areas may present a tactical advantage in maintaining unit concealment. This study seeks to assess the degree to which NVG use improves speed and ease of intravenous access in comparison to no NVG use, and which NVG system (monocular, binocular or panoramic) provides the best conditions for the clinician.MethodsCannulation was carried out using both eyes open (BEO) and one eye open (OEO) in well-lit conditions to establish a baseline measurement. The same procedure was then performed with a variety of NVGs, with and without infrared (IR) light sources in a dark room, and the degree of difficulty, time to procedural completion and success rate were compared.ResultsNVG use improved procedure speed in comparison to the BEO method in the dark. Among the NVG methods trialled, binocular NVG (BNVG) methods outperformed panoramic NVG (PNVG) and monocular NVG in terms of success rate.ConclusionsUse of BNVG resulted with a better success rate in our study. We would like to emphasise that although combatant units prefer PNVGs for the wider temporal vision they provide, it must be kept in mind that this may pose a disadvantage in peripheral vascular access procedures while providing first aid to the casualty at close distances.
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Sora, Daisuke, Kei Takayama, Manzo Taguchi, Tomohito Sato, Yutaka Sakurai, Takayuki Kanda, and Masaru Takeuchi. "Topical Corticosteroid-Resolved Rubeosis Iridis with Neovascular Glaucoma Caused by Noninfectious Granulomatous Uveitis." Case Reports in Ophthalmology 9, no. 1 (March 28, 2018): 243–47. http://dx.doi.org/10.1159/000488137.

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Purpose: We report a case of topical corticosteroid treatment-resolved rubeosis iridis with neovascular glaucoma (NVG) caused by noninfectious granulomatous uveitis. Case Report: A 61-year-old woman with left ocular pain and blurred vision was referred to our department. Visual acuity and intraocular pressure (IOP) were 20/60 and 37 mm Hg in the left eye, respectively. Inflammatory cells, hyphema, and rubeosis iridis were observed. All laboratory tests, including multiplex polymerase chain reaction for infection using aqueous humor, were negative, and there was neither retinal occlusive vasculitis nor retinal ischemia in the fundus. Our diagnosis was noninfectious granulomatous anterior uveitis-associated NVG. Topical corticosteroid treatment and anti-glaucoma agents resolved inflammation, rubeosis iridis, and NVG. IOP had decreased to 13 mm Hg by 1 month of treatment, and no recurrence was observed. Conclusion: Topical corticosteroid could resolve rubeosis iridis and NVG in an eye with noninfectious anterior uveitis. The pathogenesis of NVG in eyes with uveitis is still unknown, but inflammation might have a part in angiogenesis. Anti-inflammatory treatment can be selected as the first choice for anterior uveitis-associated NVG.
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Shah, Mittal, David Granger, Tomasz Bobrzynski, Annalisa Baccaro, Jasmine Gore, Vincent Muczynski, Sarah Cook, et al. "A sensitive and robust bioanalytical assay for pharmacokinetic analysis of ROR1xCD3 bispecific T cell engager (NVG-111) in a first-in-human study." Journal of Clinical Oncology 40, no. 16_suppl (June 1, 2022): e19505-e19505. http://dx.doi.org/10.1200/jco.2022.40.16_suppl.e19505.

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e19505 Background: Receptor tyrosine kinase-like Orphan Receptor-1 (ROR1) is widely expressed on hematological and solid tumors. NVG-111, a first in class humanized tandem scFv ROR1xCD3 bispecific antibody elicits potent killing of ROR1+ tumor cells in vitro and in vivo. This bispecific T-cell engager (TCE) is being evaluated in a first in human, Phase I trial in patients with relapsed/refractory chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL). The predicted therapeutic dose and steady state serum concentrations of NVG-111 were estimated by allometric scaling using relevant doses from a murine PK study. To assess free drug levels in patients following 21 days of continuous infusion of NVG-111, a bespoke, sensitive pharmacokinetics (PK) assay with high levels of specificity and sensitivity was developed. Methods: Anti-idiotype (anti-ID) antibodies directed to anti-ROR1 (αROR1-ID) and anti-CD3 (αCD3-ID) were generated by mouse immunization or by phage display from customized libraries. A proof-of-concept sandwich ELISA assay was developed using αCD3-ID to capture NVG-111 and detection by biotinylated hROR1-streptavidin-HRP. Gyrolab and Quanterix Simoa high sensitivity ELISA platforms were used to detect NVG-111 by αCD3-ID capture and αROR1-ID detection. The mesoscale discovery electrochemiluminescence assay (MSD-ECLA) was developed using a reversed format; NVG-111 capture with αROR1-ID and detection with αCD3-ID. Results: Allometric scaling predicted a theoretically relevant therapeutic dose and steady state serum concentration of 1ng/mL NVG-111 in humans, which was just at the level of sensitivity of a conventional ELISA under non-matrix conditions. Transferring the format to Quanterix Simoa had limited success due to high background levels in all configurations evaluated. The Gyrolab platform increased sensitivity to 75pg/mL, but suboptimal individual human sera matrix selectivity limited assay validity. Assessment of MSD-ECLA provided the best signal/noise, enhanced human disease and healthy sera selectivity, and a dynamic sensitivity range of 250pg/mL to 32ng/mL, which enabled the development of a GCLP qualified PK assay. The MSD-ECLA assay was employed to measure NVG-111 concentrations in CLL or MCL subjects dosed with 0.3-30µg/day NVG-111. MSD-ECLA detected drug in patients receiving NVG-111, with a range of steady-state serum concentrations (Cavg.ss) of 168-610pg/mL. This was in-line with the predicted drug levels from the single species allometric scaling, albeit with observed levels being marginally lower than expected. Conclusions: Development, custom optimization and validation of a highly sensitive MSD-ECLA PK assay has enabled GCLP-compliant measurement of circulating NVG-111 in CLL or MCL patients treated with at least 10µg/day cIV NVG-111.
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Shah, Mittal, David Granger, Tomasz Bobrzynski, Annalisa Baccaro, Jasmine Gore, Vincent Muczynski, Sarah Cook, et al. "A sensitive and robust bioanalytical assay for pharmacokinetic analysis of ROR1xCD3 bispecific T cell engager (NVG-111) in a first-in-human study." Journal of Clinical Oncology 40, no. 16_suppl (June 1, 2022): e19505-e19505. http://dx.doi.org/10.1200/jco.2022.40.16_suppl.e19505.

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e19505 Background: Receptor tyrosine kinase-like Orphan Receptor-1 (ROR1) is widely expressed on hematological and solid tumors. NVG-111, a first in class humanized tandem scFv ROR1xCD3 bispecific antibody elicits potent killing of ROR1+ tumor cells in vitro and in vivo. This bispecific T-cell engager (TCE) is being evaluated in a first in human, Phase I trial in patients with relapsed/refractory chronic lymphocytic leukemia (CLL) and mantle cell lymphoma (MCL). The predicted therapeutic dose and steady state serum concentrations of NVG-111 were estimated by allometric scaling using relevant doses from a murine PK study. To assess free drug levels in patients following 21 days of continuous infusion of NVG-111, a bespoke, sensitive pharmacokinetics (PK) assay with high levels of specificity and sensitivity was developed. Methods: Anti-idiotype (anti-ID) antibodies directed to anti-ROR1 (αROR1-ID) and anti-CD3 (αCD3-ID) were generated by mouse immunization or by phage display from customized libraries. A proof-of-concept sandwich ELISA assay was developed using αCD3-ID to capture NVG-111 and detection by biotinylated hROR1-streptavidin-HRP. Gyrolab and Quanterix Simoa high sensitivity ELISA platforms were used to detect NVG-111 by αCD3-ID capture and αROR1-ID detection. The mesoscale discovery electrochemiluminescence assay (MSD-ECLA) was developed using a reversed format; NVG-111 capture with αROR1-ID and detection with αCD3-ID. Results: Allometric scaling predicted a theoretically relevant therapeutic dose and steady state serum concentration of 1ng/mL NVG-111 in humans, which was just at the level of sensitivity of a conventional ELISA under non-matrix conditions. Transferring the format to Quanterix Simoa had limited success due to high background levels in all configurations evaluated. The Gyrolab platform increased sensitivity to 75pg/mL, but suboptimal individual human sera matrix selectivity limited assay validity. Assessment of MSD-ECLA provided the best signal/noise, enhanced human disease and healthy sera selectivity, and a dynamic sensitivity range of 250pg/mL to 32ng/mL, which enabled the development of a GCLP qualified PK assay. The MSD-ECLA assay was employed to measure NVG-111 concentrations in CLL or MCL subjects dosed with 0.3-30µg/day NVG-111. MSD-ECLA detected drug in patients receiving NVG-111, with a range of steady-state serum concentrations (Cavg.ss) of 168-610pg/mL. This was in-line with the predicted drug levels from the single species allometric scaling, albeit with observed levels being marginally lower than expected. Conclusions: Development, custom optimization and validation of a highly sensitive MSD-ECLA PK assay has enabled GCLP-compliant measurement of circulating NVG-111 in CLL or MCL patients treated with at least 10µg/day cIV NVG-111.
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Sharma, D., NK Tripathy, V. Raghunandan, and BM Sekhar. "Visual acuity through Night Vision Goggles (NVGs): A comparative assessment between Gen 2++ and Gen 3 NVGs under different illumination conditions." Indian Journal of Aerospace Medicine 65 (August 6, 2021): 17–22. http://dx.doi.org/10.25259/ijasm_15_2021.

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Introduction: During night flying operations, Night Vision Goggles (NVGs) help the aircrew to visualize by intensifying lights reflected from an object. Night sky illumination and image intensification mechanism are the two important factors that affect visual acuity (VA) through NVG. Hence, assessment of visual acuity through Gen 2++ and Gen 3 NVG under different illumination conditions and comparative analysis between the two NVGs was the desired objective of the study. Material and Methods: In a prospective repetitive measure design, a total of 60 volunteered subjects were examined for their VA through Gen 2++ and Gen 3 NVGs using USAF Tri-Bar Chart in the eye lane room of the NVG Lab. The VA was measured under four different illumination conditions; full moon (FM), half moon (HF)quarter moon (QM), and starlight (SL) conditions. The measured VA was converted to logMAR values and analyzed. Results: VA deteriorated significantly with decreasing illuminations through both Gen 2++ (χ2 = 149.9, P < 0.001) and Gen 3 NVGs (χ2 = 156.5, P < 0.001). For Gen 2++ NVG, the difference in VA was statistically significant in all conditions other than between FM and HM. Whereas, it was almost significant for all illumination conditions for Gen 3 NVG. The VA through Gen 2++ was better than Gen 3 in all conditions and the difference in VA widened with decreasing illuminations. Conclusion: VA declined with decreasing illuminations for Gen 2++ as well as Gen 3 NVG, even though, the difference was not significant between FM and HM for Gen 2++ NVG. VA was observed to be consistently better through Gen 2++ NVG compared to Gen 3 across all four illumination conditions. However, keeping in view the dynamic changes in night sky illuminations during flying operations, the findings of the study need to be validated in operational conditions.
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Raghunandan, V., M. Binu Sekhar, N. K. Tripathy, and Vijay Vishnu Joshi. "Study of performance characteristics of ANVIS MK-III night-vision goggle and comparison with other NVGs for aviation usage." Indian Journal of Aerospace Medicine 66 (October 21, 2022): 21–26. http://dx.doi.org/10.25259/ijasm_10_2022.

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Objectives: Night Vision Goggles (NVGs) are widely used in military aviation. Performance of an NVG in terms of high resolution and target acquisition is considered a critical requirement. Gen III NVGs have been considered superior to Gen II and Gen II++ NVGs. The purpose of the study was to evaluate the performance characteristics of ANVIS MK-III NVG and compare them to those of other available NVGs. Material and Methods: ANVIS MK-III Gen III NVG was studied for its performance in terms of visual acuity (VA), contrast sensitivity, and field of view (FOV). Six subjects familiar with use of NVG participated in the study. VA was measured using USAF 1951 Tri-bar chart, while contrast sensitivity was measured using PelliRobson chart under full-moon (FM), half-moon (HF), quarter-moon (QM), and starlight (SL) conditions. The FOV was measured using Cross Bar chart. Comparisons were made with the data of other NVGs available with the Institute. Results: The mean VA of ANVIS MK-III NVG was found to be 20/29, 20/31, 20/34, and 20/39 under of FM, HF, QM, and SL illumination conditions, respectively. The mean contrast sensitivity was 0.9, 0.75, 0.6, and 0.53 log CS units, respectively, with mean FOV of 39.5°. The results were compared with performance characteristics of NL 93, GEO1, and F4949 NVGs. Conclusion: The ANVIS MK-III NVG was found to have higher VA function as compared to other NVGs and better contrast sensitivity function as compared to NL-93 and GEO1 NVG. All the NVGs had comparable FOV. The ANVIS Mk-III NVG in the current configuration with Helmet Display and Tracking System was found to be heavier and needs further ergonomic evaluation.
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Dissertations / Theses on the topic "NVG"

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Salvador, Francisco Vitor Gomes. "Avaliação comparativa de formatos de dados georreferenciados para troca de informação entre sistemas de comando e controlo no contexto militar." Master's thesis, Faculdade de Ciências e Tecnologia, 2011. http://hdl.handle.net/10362/6584.

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Dissertação para obtenção do Grau de Mestre em Engenharia Informática
A NATO (North Atlantic Treaty Organization) desenvolveu recentemente um novo formato de dados georreferenciados NATOVector Graphics (NVG), para codificar informação georreferenciada enviada entre sistemas de comando e controlo. Existem vários formatos de dados georreferenciados que poderiam ser, do ponto de vista técnico, uma opção credível para a NATO, nomeadamente, formatos abertos da W3C (World Wide Web Consortium) e da OGC (Open Geoespacial Consortium). Contudo, por razões de complexidade ou aparente inadaptação ao contexto militar, a NATO decidiu pelo desenvolvimento de um novo formato de dados georreferenciados. Não se conhecem quaisquer estudos que envolvam uma avaliação comparativa do NVG com outros formatos alternativos que permitam fazer uma análise fundamentada acerca das vantagens e desvantagens do NVG em relação aos restantes. Para se perceber se existem alternativas melhores ao formato NVG no contexto militar, propõe-se nesta dissertação realizar uma avaliação comparativa do formato NVG com os formatos de dados alternativos. Esta avaliação será alicerçada num estudo qualitativo das características dos formatos de dados NVG, SVG, KML e NVG, e numa análise quantitativa, realizada a partir de um simulador de troca de informação georreferenciada entre sistema de comando e controlo, desenvolvido no âmbito deste trabalho, que permita comparar os formatos de dados NVG, SVG e KML com recurso a métricas apropriadas. Os principais contributos desta dissertação são: i) Comparação qualitativa dos formatos em avaliação, resultante de um estudo sistemático da especificação de cada um deles, segundo os mesmos critérios; ii) Desenho e implementação de um simulador de cenários militares; iii) Seleção de métricas para a avaliação dos vários formatos e implementação de um sistema para a recolha automática das referidas métricas; iv) Comparação quantitativa entre os diversos formatos de dados georreferenciados, num cenário militar.
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Mugnai, Gabriele. "Night Vision Imaging System (NVIS) certification requirements analysis of an Airbus Helicopters H135." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/9801/.

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The safe operation of nighttime flight missions would be enhanced using Night Vision Imaging Systems (NVIS) equipment. This has been clear to the military since 1970s and to the civil helicopters since 1990s. In these last months, even Italian Emergency Medical Service (EMS) operators require Night Vision Goggles (NVG) devices that therefore amplify the ambient light. In order to fly with this technology, helicopters have to be NVIS-approved. The author have supported a company, to quantify the potentiality of undertaking the certification activity, through a feasibility study. Even before, NVG description and working principles have been done, then specifications analysis about the processes to make a helicopter NVIS-approved has been addressed. The noteworthy difference between military specifications and the civilian ones highlights non-irrevelant lacks in the latter. The activity of NVIS certification could be a good investment because the following targets have been achieved: Reductions of the certification cost, of the operating time and of the number of non-compliance.
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Santos, André Filipe Roseiro. "Equity research - The Navigator Company S.A." Master's thesis, Instituto Superior de Economia e Gestão, 2020. http://hdl.handle.net/10400.5/20853.

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Mestrado em Finanças
Este estudo, pretende realizar uma avaliação relativamente ao preço-alvo das ações da Navigator Company, S.A, uma empresa portuguesa que atualmente negoceia na Bolsa Euronext. Para desenvolver esta relatório, adotou-se o formato recomendado pelo Instituto CFA. Para a indústria, a Navigator, S.A representa uma referência em termos de qualidade e eficiência operacional. Para Portugal e para os portugueses, a Navigator simboliza uma das maiores empresas que operam no nosso país, desenvolvendo a economia local, tendo sempre uma elevada consideração pela preocupação ambiental. A alta eficiência operacional e as medidas restritivas desenvolvidas nos últimos anos com o objetivo de redução de custos, pretendem maximizar o valor futuro da empresa, valorizando igualmente os seus acionistas. Esta avaliação usa modelos absolutos e relativos para propôr um preço-alvo de 3,16€ para o período entre 2021-2026 de acordo com o "WACC Method, representando um potencial de valorização de 36%. Foram também considerados o "APV Method" e o "Peers Valuation Method" que corroboram a recomendação de investimento. Tendo em conta a situação atual dos mercados acionistas e da indústria do papel, a Navigator mostra-se capaz de tomar decisões que limitam o risco associado aos possíveis efeitos negativos esperados. Neste sentido, esta análise representa uma recomendação de COMPRA para as ações da Navigator para o periodo de 2021-2026, mesmo considerando o perfil de alto risco a que a empresa e a indústria estão sujeitas.
The following master's final project intends to perform an equity valuation in a Portuguese company currently trading at Euronext. In order to develop this analysis, the research report format recommended by the CFA institute was adopted. For the industry Navigator, S.A represents a benchmark in quality and operational efficiency. For Portugal and Portuguese, Navigator represents one of biggest companies operating in the country developing local economy to another level, with an increasing concern for environmental and biological issues. The company shows high efficiency-oriented operations with cost reduction measures well implemented that are expected to result in future shareholder gains. This equity valuation uses both absolute and relative valuation models to propose a target price of 3,16€ for the period between 2021-2026 according to the WACC Method, representing an upside potential of 36%. Also, the APV and Peers Valuation Methods were used and are in line with investment recommendation. Even when considering the current market and industry situation, Navigator is able to well balance their operations. Therefore, this report represents BUY recommendation for Navigator shares considering the high-risk profile that the company and the industry are subject to. Even with high volatility in paper and pulp prices and high market penetration from Asian p&p producers the company is able to increase UWF market share in Europe.
info:eu-repo/semantics/publishedVersion
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4

Sapparth, David James. "Refining topographic line maps for use with ground based night vision systems." Thesis, Queensland University of Technology, 2002. https://eprints.qut.edu.au/15877/1/Dave_Sapparth_Thesis.pdf.

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This study aims to refine the current cartographic standards and specifications used by the Australian Defence Force to produce the 1:50 000 scale Topographic Line Map (TLM) so that TLMs can be read with both normal chromatic vision and with achromatic NVG vision. The proliferation and integration of Night Vision Goggles (NVG) into the Australian Army has increased the operating capacity of forces at night. The Australian Army has incorporated NVG into standard operating procedures and training to the effect that Australian military personnel do not operate, at night, without NVG. The increased use of NVG in the Australian Army has required existing systems to be modified or redesigned to be effective within the limitations of NVG. The inability to read TLMs effectively with NVG is an identified problem within the Australian Army. This research has investigated the problems associated with using NVG and the information, which cannot be read on TLMs with NVG. This information was compared to a survey of features on a TLM that are critical for successful military operations. The combined information determined which features on a TLM were to be refined to enable effective reading with NVG. The scope of this research limited refinements to current or previous cartographic standards and specifications used by the Australian Army to produce TLMs. Refinements were limited to symbology, size, and colour and three critical information features of contours, watercourses and vegetation. The problems of cartographic design for a dual vision system (chromatic/achromatic) were investigated and it was determined that the common factor of value contrast exhibits the greatest effect on the refinement process. Prototype TLMs were produced and tested with normal and NVG vision to determine the best cartographic portrayal of the critical information features, without compromising the Figure/ground relationship, balance and cognitive meanings of the TLM. A final product was produced from the prototype experiment results providing a TLM for use with both normal and NVG vision. The refined TLM has changed contours from brown to black without changes to symbology or size and watercourses from 0.1mm width to 0.2mm width without changing colour or symbology. Vegetation was retained at the current standard and specification.
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Sapparth, David James. "Refining Topographic Line Maps for Use with Ground Based Night Vision Systems." Queensland University of Technology, 2002. http://eprints.qut.edu.au/15877/.

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This study aims to refine the current cartographic standards and specifications used by the Australian Defence Force to produce the 1:50 000 scale Topographic Line Map (TLM) so that TLMs can be read with both normal chromatic vision and with achromatic NVG vision. The proliferation and integration of Night Vision Goggles (NVG) into the Australian Army has increased the operating capacity of forces at night. The Australian Army has incorporated NVG into standard operating procedures and training to the effect that Australian military personnel do not operate, at night, without NVG. The increased use of NVG in the Australian Army has required existing systems to be modified or redesigned to be effective within the limitations of NVG. The inability to read TLMs effectively with NVG is an identified problem within the Australian Army. This research has investigated the problems associated with using NVG and the information, which cannot be read on TLMs with NVG. This information was compared to a survey of features on a TLM that are critical for successful military operations. The combined information determined which features on a TLM were to be refined to enable effective reading with NVG. The scope of this research limited refinements to current or previous cartographic standards and specifications used by the Australian Army to produce TLMs. Refinements were limited to symbology, size, and colour and three critical information features of contours, watercourses and vegetation. The problems of cartographic design for a dual vision system (chromatic/achromatic) were investigated and it was determined that the common factor of value contrast exhibits the greatest effect on the refinement process. Prototype TLMs were produced and tested with normal and NVG vision to determine the best cartographic portrayal of the critical information features, without compromising the Figure/ground relationship, balance and cognitive meanings of the TLM. A final product was produced from the prototype experiment results providing a TLM for use with both normal and NVG vision. The refined TLM has changed contours from brown to black without changes to symbology or size and watercourses from 0.1mm width to 0.2mm width without changing colour or symbology. Vegetation was retained at the current standard and specification.
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Aurand, Alexander M. "Dynamic Moments on the Cervical Spine Imposed by Head-Mounted Equipment." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1430747355.

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Sandgren, Christoffer. "Ingenjörkompaniets förändring från NBG-08 till NBG-11 : - En myt eller sanning?" Thesis, Försvarshögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-2704.

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Uppsatsen Ingenjörkompaniets förändring från NBG-08 till NBG-11 – En myt eller sanning? behandlar ingenjörkompaniet under Nordic Battlegroup-08 respektive Nordic Battlegroup-11. Uppsatsens skildrar de skillnader vilka fanns på respektive kompani avseende organisationen, materiel och utrustning samt de krav och uppgifter vilka kompaniet hade. Detta har genomförts med en komparation mellan de respektive kompanierna. Syftet med uppsatsen är att se vilken inverkan tidigare organisationer har på framställandet av en ny organisation under respektive Nordic Battlegroup. I detta fallet ingenjörkompaniet under respektive Nordic Battlegroup. En komparation mellan de två olika kompanierna innefattande tre av de grundläggande förmågorna verkan, rörlighet och uthållighet har genomförts kopplat mot två av krigsföringsförmågorna, konceptuella- och fysiska förmågorna. Resultatet av studien visar att slutsatser kopplade till i huvudsak brister kring kommunikationen mellan respektive ingenjörkompani där inget eller mycket begränsat erfarenhetsutbyte genomförts mellan dessa. Detta resulterade i att ingenjörkompaniets utveckling kan sammanfattas som uppbyggnaden av en helt ny organisation snarare än en reorganisation där erfarenheter och lärdommar hjälpt till att bygga upp den ”nya” organisationen.
The essay "Changes in the engineer coy between NBG-08 to NBG-11 -  A myth or truth?" deals with the engineer company under Nordic Battlegroup-08 and Nordic Battlegroup-11. The essay depicts the differences that existed between the respective companies regarding organization, material and equipment, as well as requirements and tasks, and has been conducted through a comparison between the respective companies. The purpose of the essay is to see which effect earlier organizations has on the preparation of a new organization under the respective Nordic Battlegroup. In this case, the engineer company under the respective Nordic Battlegroup. A comparison between the two different companies, containing three of the basic skills: effect, movement and endurance, has been conducted linked to two of the warfare skills, conceptual and physical skills. The result of the study shows conclusions connected to mainly lack of communication between the respective engineer companies, where no, or very limited, experience exchanges have been made between them. This resulted in that the development of the engineer company can be summarized as the construction of a completely new organization rather than a reorganization, where experience and lessons learned could have helped building the "new" organization.
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Mählberg, Esbjörn. "Agilt - men agilt nog?" Thesis, Uppsala universitet, Informationssystem, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-155302.

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This paper aims to investigate whether a small organization with small development teams can find a value in leaving a functioning development process to follow a formal systems development methodology, if these organizations can find support in an agile systems development method and in such case the method needs to be adjusted according to the organizations unique conditions. A traditional plan-driven system development methodology includes a number of phases that are carried out sequentially and a completed phase can basically not be resumed. All requirements are specified at the beginning of a project and at the end of the project only one delivery of software take place. This can cause difficulties in for example dealing with changing requirements. Agile system development methods intend to deal with changing requirements and to enable continuous delivery of valuable, working software. In this paper, both the traditional plan-driven methods and agile methods will be explained. Research methodology and existing system development theories will be discussed and a company where the study has been conducted will be presented. The company's current work processes are analyzed and presented, and all collected data will be reviewed. The results of the paper shows that no initial adaptation of agile methods, Scrum in this specific case, needs to be implemented and that there is no evidence to suggest that small organizations with small development teams can not work after a formal agile methodology. Finally, a general discussion of the study will be conducted and conclusions whether the study objective has been achieved or not will be discussed.
Denna uppsats ämnar undersöka huruvida en mindre organisation med små utvecklingsteam kan finna ett värde i att lämna en fungerande utvecklingsprocess för att följa en formell systemutvecklingsmetod, ifall dessa organisationer kan hitta ett metodstöd i agila systemutvecklingsmetoder och om metoderna i så fall behöver anpassas utefter organisationens unika förutsättningar. En traditionell plandriven systemutvecklingsmetod innehåller ett antal faser som genomförs sekventiellt och en slutförd fas kan i stort sett inte återupptas. Alla krav specificeras i början av ett projekt och endast en leverans av mjukvara sker. Detta kan medföra svårigheter med att hantera till exempel förändrade krav. Agila systemutvecklingsmetoder har för avsikt att hantera förändrade krav samt möjliggöra kontinuerliga leveranser av värdefull och fungerande programvara. Under uppsatsen kommer såväl traditionella plandrivna metoder som agila metoder att förklaras närmare. Metodval för forskningen och befintliga systemutvecklingsteorier kommer att diskuteras och ett företag där studien har bedrivits kommer att presenteras. Företagets nuvarande arbetsprocess analyseras och presenteras och alla datainsamlingar kommer att gås igenom. Resultatet av uppsatsen visar på att inga initiala anpassningar av agila metoder, Scrum i det här specifika fallet, behöver genomföras och att det inte finns något som tyder på att små organisationer med små utvecklingsteam inte kan arbeta efter en formell agil metod. Slutligen kommer en allmän diskussion om studien att föras och slutsatser gällande om syftet med studien har uppnåtts kommer att diskuteras.
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Hermansson, Christopher, and Sebastian Johansson. "IPv6 - Gatewayredundans : Snabbt nog?" Thesis, Linnéuniversitetet, Institutionen för datavetenskap, fysik och matematik, DFM, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-13011.

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IPv6 har, till skillnad från tidigare versioner av protokollet, inbyggt stöd för redundans hos gatewayenheter. Vid nyttjande av ett flertal gatewayenheter kan det, med hjälp av Neighbor Unreachability Detection, ske automatisk övergång till en ny gatewayenhet utifall att den aktiva skulle gå ur funktion. Innan IPv6 har man varit tvungen att förlita sig på externa lösningar för att uppnå denna redundans. Den huvudsakliga fråga som ställs i rapporten är om det inbyggda stödet för gatewayredundans i IPv6 är tillräckligt snabbt för att kunna nyttjas självständigt, utan att förlita sig på externa lösningar. För att kunna ta fram ett värde om vad som var ”tillräckligt snabbt” har vi, genom att läsa tidigare forskning om användares upplevelse av fördröjningar, kommit fram till att en fördröjning ej får överstiga tio sekunder. Rapporten undersöker även ifall det finns externa lösningar för gatewayredundans som arbetar tillräckligt snabbt, samt om det finns andra situationer där man kan föredra en extern lösning framför Neighbor Unreachability Detection. Efter ett antal experiment har vi kunnat klarlägga att det inbyggda stödet för gatewayredundans i IPv6 inte arbetar tillräckligt snabbt, enligt användare, för att självständigt klara av uppgiften. Undersökningar som beskrivs i rapporten visar även att ett externt First Hop Redundancy Protocol har god potential att återställa kommunikation tillräckligt snabbt för att en användare ska anse fördröjningen acceptabel. Dessutom bekräftar det här arbetet att det finns situationer där man kan föredra ett First Hop Redundancy Protocol framför Neighbor Unreachability Detection.
Unlike earlier versions of the Internet Protocol, IPv6 have native support for gateway redundancy. By using more than one gateway, Neighbor Unreachability Detection supports automatic switching to a new gateway in the case the active one fails. Before IPv6 you had to rely on external solutions to achieve this kind of redundancy. The main question that is set in the report is if the built-in support for gateway redundancy in IPv6 is fast enough to be used independently, without the use of external solutions. In order to obtain a value about what was “fast enough” we have, by reading previous research about how users experience delay, concluded that a delay must not exceed ten seconds. The report also examines if there are external solutions for gateway redundancy that operates quick enough, and if there are other situations where you might prefer an external solution over Neighbor Unreachability Detection. After a number of experiments we’ve been able to conclude that, according to users, the native support for gateway redundancy in IPv6 is not working fast enough to independently solve the task. Experiments described in the report also shows that an external First Hop Redundancy Protocol has good potential to restore communication fast enough for a user to find the delay acceptable. Furthermore the work confirms that there are situations where you might prefer a First Hop Redundancy Protocol over Neighbor Unreachability Detection.
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Mrózek, Jan. "NVH analýza pohonné jednotky." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444965.

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This master thesis is focused on the diagnostics of vibrations and noise of an internal combustion engine. The work also includes a summary of the current state of knowledge in which the quantities used, transmission paths, measuring devices and the possibilities of performing frequency analysis are analysed. As part of the technical experiment on which this work is based, vibrations and noise on the tractor engine are measured. The obtained data are then further processed using the BK Connect program. Subsequently, a frequency analysis is performed, specifically an order analysis. The conclusion of the analysis consists of an evaluation of individual orders that cause excitation that occur in the investigated motor.
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Books on the topic "NVG"

1

Nog the nag bird. Melbourne, Vic: Lothian, 2006.

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Arnoldi, Nag. Nag. [Verona: Edizioni d'arte Ghelfi, 1989.

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Nog. Antwerpen: Houtekiet, 2004.

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National Council for Vocational Qualifications. NVQ. London: NCVQ, 1991.

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Gott, Stephanie. NGV news guide to NGV funding. Arlington, Va: Pasha Publications, 1993.

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Wilson, Harriet E. Our Nig. McLean, Va: IndyPublish.com, 2002.

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Lanshchikov, Anatoliĭ Petrovich. N.G. Chernyshevskiĭ. 2nd ed. Moskva: Sovremennik, 1987.

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Arnoldi, Nag. Nag Arnoldi. [Lugano]: Città di Lugano, 1998.

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Arnoldi, Nag. Nag Arnoldi. Cureglia: Società pittori scultori architetti svizzeri, sezione Ticino, 1991.

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Grib nag. Dharamsala]: Chig-sgril Dus-deb Rtsom-sgrig Khaṅ gis ʼgrel spel byas, 2013.

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Book chapters on the topic "NVG"

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Agrawal, Dhirendra, and NNSSRK Prasad. "On Airworthiness Qualification Philosophy and Night Flying Assessment for Electroluminescent Based NVG Compatible Cockpit Lights of Military Fighter Aircraft." In Springer Proceedings in Physics, 151–53. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9259-1_33.

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Pannu, Neesh, Xiaoyan Wen, John A. Kellum, John Fildes, N. Al-Subaie, Mark Hamilton, Susan M. Lareau, et al. "NAG." In Encyclopedia of Intensive Care Medicine, 1510. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-00418-6_1919.

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Gooch, Jan W. "NVM." In Encyclopedic Dictionary of Polymers, 493. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_8032.

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Soltan, Usama. "Splitting Neg:." In Perspectives on Arabic Linguistics XXVI, 91–120. Amsterdam: John Benjamins Publishing Company, 2014. http://dx.doi.org/10.1075/sal.2.07sol.

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Johnson, Mary, and Scott A. Schwenter. "NEG-NADA." In Lusophone, Galician, and Hispanic Linguistics, 115–34. Milton Park, Abingdon, Oxon ; New York, NY : Routledge, 2019. |: Routledge, 2019. http://dx.doi.org/10.4324/9781315403946-7.

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Tovena, Lucia M. "Neg-Raising." In Linguistik Aktuell/Linguistics Today, 331–56. Amsterdam: John Benjamins Publishing Company, 2001. http://dx.doi.org/10.1075/la.40.14tov.

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Janßen, Martina. "Nag-Hammadi-Texte." In Kindlers Literatur Lexikon (KLL), 1–4. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_23049-1.

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Carlisle, David, and Mike Dewar. "NAG Library Documentation." In Lecture Notes in Computer Science, 56–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-36469-2_5.

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Krediet, Gerda. "Nog steeds oorlog." In Ouderenmishandeling, 51–55. Houten: Bohn Stafleu van Loghum, 2017. http://dx.doi.org/10.1007/978-90-368-1370-9_7.

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Askin, Ridvan. "Wurlitzer, Rudolph: Nog." In Kindlers Literatur Lexikon (KLL), 1–2. Stuttgart: J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_18976-1.

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Conference papers on the topic "NVG"

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Angel, Share-Dawn P. "NVG eyepiece focus (diopter) study." In Aerospace/Defense Sensing, Simulation, and Controls, edited by Ronald J. Lewandowski, Loran A. Haworth, Henry J. Girolamo, and Clarence E. Rash. SPIE, 2001. http://dx.doi.org/10.1117/12.437988.

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Clarkson, Geoffrey J. N., and G. F. H. Lloyd. "Helmet-mounted night-vision systems beyond NVG." In Aerospace/Defense Sensing and Controls, edited by Ronald J. Lewandowski, Loran A. Haworth, and Henry J. Girolamo. SPIE, 1998. http://dx.doi.org/10.1117/12.317450.

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Hogervorst, Maarten A., and Alexander Toet. "Evaluation of a color fused dual-band NVG." In SPIE Defense, Security, and Sensing, edited by Belur V. Dasarathy. SPIE, 2009. http://dx.doi.org/10.1117/12.819114.

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Van Arsdel, Richard, J. Bruce Baldwin, Martha A. Hausmann, Lawrence K. Harrington, Jeffrey L. Craig, and Corbin G. Koepke. "NVG adjustment methods, eyepiece focus settings, and vision." In Defense and Security Symposium, edited by Randall W. Brown, Peter L. Marasco, Clarence E. Rash, and Colin E. Reese. SPIE, 2006. http://dx.doi.org/10.1117/12.664449.

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Thomas, J., and A. Cavalcanti. "A COTS-derived NVG compatible 20.1" avionics display." In Defense and Security Symposium, edited by John T. Thomas and Andrew Malloy. SPIE, 2007. http://dx.doi.org/10.1117/12.721729.

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Hogervorst, Maarten A., and Frank L. Kooi. "NVG-the-Day: towards realistic night-vision training." In SPIE Security + Defence, edited by David A. Huckridge and Reinhard Ebert. SPIE, 2014. http://dx.doi.org/10.1117/12.2066700.

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Gaudette, Claude. "Adapting deployed touch screen displays for NVG compatibility." In SPIE Defense and Security Symposium, edited by John T. Thomas and Andrew Malloy. SPIE, 2008. http://dx.doi.org/10.1117/12.785093.

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Jennings, Sion, Greg Craig, Stephan Carignan, Heiko Fischer, and Michel Brulotte. "Development of NVG test maneuvers for civilian aircraft." In SPIE Defense and Security Symposium, edited by Randall W. Brown, Peter L. Marasco, Thomas H. Harding, and Sion A. Jennings. SPIE, 2008. http://dx.doi.org/10.1117/12.780333.

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Rapp, P. "Towards more realism in NVG use in training simulators." In Flight Simualtion Technologies Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-3438.

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Toet, Alexander, Frank L. Kooi, Frido Kuijper, and Roland J. M. Smeenk. "Objective assessment of simulated daytime and NVG image fidelity." In Defense and Security, edited by Jacques G. Verly. SPIE, 2005. http://dx.doi.org/10.1117/12.602463.

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Reports on the topic "NVG"

1

Angel, Share-Dawn. NVG Eyepiece Focus (Diopter) Study. Fort Belvoir, VA: Defense Technical Information Center, January 2001. http://dx.doi.org/10.21236/ada430225.

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Task, H. L. Cockpit/NVG Visual Integration Issues. Fort Belvoir, VA: Defense Technical Information Center, January 1992. http://dx.doi.org/10.21236/ada430715.

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ARMY SAFETY CENTER FORT RUCKER AL. Aviation NVG Desert Training and Operations Planning Guide. Fort Belvoir, VA: Defense Technical Information Center, February 1991. http://dx.doi.org/10.21236/ada382363.

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CuQlock-Knopp, V. G., Edward Bender, John Merritt, and Jennifer Smoot. Visual Acuity for High-Contrast Tri-bar Targets Illuminated with Spectra Simulating Night Vision Goggle (NVG) Displays and the No-moon Night Sky. Fort Belvoir, VA: Defense Technical Information Center, November 2010. http://dx.doi.org/10.21236/ada532744.

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Brodsky, N. S., M. Riggins, J. Connolly, and P. Ricci. Thermal expansion, thermal conductivity, and heat capacity measurements for boreholes UE25 NRG-4, UE25 NRG-5, USW NRG-6, and USW NRG-7/7A. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/541812.

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Wen, Terry, Lisa M. Marvel, and C. S. Morrison. Network Visualization Project (NVP). Fort Belvoir, VA: Defense Technical Information Center, July 2016. http://dx.doi.org/10.21236/ad1012078.

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Zhang S. Y., H. C. Hseuh, and T. Roser. NEG Coating at RHIC. Office of Scientific and Technical Information (OSTI), June 2003. http://dx.doi.org/10.2172/1061692.

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Olsson, W. A., and S. R. Brown. Mechanical properties of fractures from drillholes, UE25-NRG-4; USW-NRG-6; USW-NRG-7; USW-SD-9, at Yucca Mountain, Nevada. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/444078.

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Zhang S. Y., H. C. Hseuh, W. Fischer, H. Huang, and T. Roser. NEG Coating Application at RHIC. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/1061811.

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Johnson, David, Robert Boyd, Anthony Bednar, Cynthia Banks, Charles Weiss, Jessica Coleman, Burton Suedel, and Jeffery Steevens. Terrestrial fate and effects of nanometer-sized silver. Engineer Research and Development Center (U.S.), March 2022. http://dx.doi.org/10.21079/11681/43800.

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Although engineered nanomaterials are active components in a wide variety of commercial products, there is still limited information related to the effects of these nanomaterials once released into the terrestrial environment. A high number of commercial applications use silver nanoparticles (nAg) due to its anti-microbial activity. This may be of concern for waste management since nAg could be applied to soil (e.g., biosolids) or disposed of in traditional landfills, which could lead to possible leaching into surrounding soil. This report aims to provide additional insight into the fate and effects of nAg in terrestrial systems. The studies in this report examine the leachability of nAg in field soil and compares the soil migration to bulk (i.e., micron-sized) silver; examine the ecotoxicity of nAg to earthworms in four field soils spanning several different soil orders; and examine the behavioral effects of earthworms when exposed to engineered nanoparticles in field soil. These data provide additional insight into engineered nanoparticle fate and effects to terrestrial receptors in field soils, an important distinction from laboratory-generated soils. These data will also assist ecological risk assessors to better determine the acute environmental risks of nAg in terrestrial ecosystems with different soil compositions.
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