Knowledge regarding accessibility adaptations in web design in order to benefit and include people with disabilities in today's digital society is an important cornerstone in the work of minimizing the digital divide. Such features include enlarging or reducing text, distinct navigation, alt-texts, ensuring high contrast between foreground and background. Web design also needs to be compatible with commonly used aids. Previous studies show that there is a lack of accessible websites (Hewitt & Yingchen, 2021), thus proving proof of limited knowledge regarding accessibility adaptations amongst designers and developers (Ferati & Vogel, 2020). The digital divide may increase and more people may feel excluded and discriminated against unless this doesn't change soon (Post och telestyrelsen, 2019). This study aims to explore whether the lack of knowledge among designers and developers affects the digital divide.

Experiments were conducted on ASTM A572 50 and A992 steel over a range of intermediate strain rates in order to determine material strength properties of structural members subjected to dynamic loadings. The yield and ultimate tensile stress (UTS) of the steels were determined at increasing strain rates using a hydraulic apparatus and compared to static values obtained from ASTM E8 standardized tensile experiments. Results revealed that A572-50 steel exhibited an increase in yield stress of up to 35% and UTS of up to 20% as strain rate increased from 0.002 to 2.0 s-1. A992 steel demonstrated a similar increase in yield stress of up to 45% and UTS of up to 20%. Ratios of dynamic-to-static strengths were used to develop dynamic increase factor curves spanning the range of strain rates studied. These curves provide designers with material property values required for accurate and economical design of protective structures.

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A babosa (Aloe vera (L.) Burm. f.), família Asphodelaceae, reconhecida e explorada mundialmente pela indústria farmacêutica e cosmética devido aos princípios medicinais de seus compostos fenólicos e principalmente ao gel de polissacarídeos específicos, foi submetida a dois experimentos interligados. O primeiro, refere-se a micropropagação no qual foram avaliados tratamentos de desinfestação de ápices caulinares, multiplicação in vitro e condições de aclimatação ex vitro. O segundo experimento refere-se ao cultivo das plantas em areia lavada e irrigada com solução nutritiva, em condições controladas de casa de vegetação, onde foram testados os efeitos de doses (105; 210 e 315 ppm) de nitrogênio avaliados aos 90; 180 e 270 dias de cultivo. Os efeitos foram avaliados em função dos teores foliares dos macronutrientes e dos micronutrientes boro, cobre, ferro manganês e zinco, de proteínas totais solúveis (PTS), de açúcares redutores (AR) e açúcares totais solúveis (ATS) e sobre o crescimento por meio do índice de área foliar (IAF), da taxa de assimilação líquida (TAL), taxa de crescimento relativo (TCR), taxa de crescimento absoluto (TCA) e incrementos de massas de matérias fresca (IMMF) e seca (IMMS). Todos os dados foram analisados estatisticamente. Em relação a micropropagação, a eficiência de desinfestação foi aumentada em torno de 40% na obtenção de ápices caulinares verdes em início de brotação quando as plantas colhidas a campo foram previamente desinfestadas por lavagem com solução de hipoclorito de sódio com 0,5% de cloro ativo ou com solução de dicloroisocianurato de sódio (Sumaveg®) 0,66%. p.v-1 e os ápices caulinares submetidos a imersões alternadas nas soluções dos dois produtos utilizados. A fase multiplicativa da microproagação em meio MS apresentou um rendimento de 1:5,3 a cada intervalo de 30 dias de multiplicação. A partir de 136 ápices caulinares desinfestados, verdes, em início de brotação, foram obtidas 40.495 microplantas. Classificadas em pequenas, médias e grandes, foram submetidas a condições de aclimatação observando-se que bandejas de 64 células com 40 cm3 de substrato apresentaram economia em torno de 50% de substrato e em espaço físico na casa-de-vegetação com micro-aspersão e exaustão de ar em sistema \"pad-house\", e durante o processo de aclimatação e transporte das microplantas aclimatadas. Em relação ao cultivo das plantas em doses de nitrogênio, apesar de algumas variáveis responderem melhor à dose de 105 ppm e outras à dose de 315 ppm, a dose de 210 ppm de nitrogênio favoreceu as melhores respostas para os teores de açúcares totais solúveis (504,21 mgATS.g-1 de MMS), que são diretamente relacionados ao conteúdo de polissacarídeos específicos, de interesse comercial da cultura de Aloe vera. Esses teores, por sua vez, foram propiciados pelos melhores valores de IAF, TCA, IMMF e IMMS, todos observados aos 270 dias de cultivo, ratificando a significância do fator tempo e da dose de 210 ppm de nitrogênio no cultivo dessa espécie vegetal. / Aloe vera (L.) Burm. f., family Asphodelaceae, worldwide renowned and explored by pharmaceutics and cosmetics industries due to its phenolics bearing medicinal principles and mainly to the specific polysaccharides present in the gel, was submitted to two interlinked experiments. The first one refers to apical shoot micropropagation evaluating different disinfection treatments of the explants, the in vitro bud multiplication and ex vitro acclimatization of the microplants. The second one refers to cultivation in greenhouse of the micropropagated plants in washed sand and irrigated with nutritive solution, in the presence of three nitrogen rates (105, 210 and 315 ppm); the plant material was harvested at 90-, 180- and 270-day. All data were statistically analyzed. The effects of nitrogen were evaluated on the content of the macronutrients, the following micronutrients: B, Cu, Fe, Mn and Zn and total soluble proteins, reducing sugars, total soluble sugars; the growth of the Aloe vera plants was measured through the foliar area index, the rate of liquid assimilation, rates of relative and absolute growth and increases in the fresh and dry weights. In regards to micropropagtion, the efficiency of the disinfection process was increased by 40% when the plants harvested in the field were previously washed either with sodium hypochloride (0.5% active chlorine) solution or sodium dichloroisocyanurate (Sumaveg®) 0.66% w.v-1 solution and the apical shoots explants were afterwards alternatively treated with the two disinfectants. The multiplication phase in MS medium showed a rate of 1:5.3 of microplant production at each 30-day interval with a production of 40.495 microplants out of the 136 initial disinfected apical shoots. The microplants were classified as small, medium and large plants and acclimatized in polyethylene trays bearing 64 cells with 40 cm3 of substrate each cell, a 50% saving in terms of substrate amount and free space in the greenhouse equipped with micro-aspersion irrigation, pad-house and air exhaustion systems and also in the transport of the acclimatized microplants. In regards to the effect of nitrogen rates on the development of Aloe vera plants, besides the fact that the best responses were observed either to 105 ppm or 315 ppm nitrogen by some variables, at 210 ppm nitrogen rates the best result was obtained for total soluble sugars (504.21 mg.g-1DW); the sugars are directly related to specific polysaccharides of Aloe vera and are of great importance for the industries. On the other hand, these values were favored by the best values reached by the physiological variables studied in this work at 270-day validate the significance of the time factor and the 210 ppm N rates in the Aloe vera production system.

租稅和公債是政府籌措財源最主要的兩種方式。然而不同的財源籌措方式將產生不同的影響效果，因此評價並比較各種融通工具的相對優勢，是政府選擇融通方式時，所必須考慮的一個基本且重要的問題。如何籌措財源以舒緩財政窘迫的壓力，是當前政府最急切的關鍵和挑戰。因此本文探討由效率面以租稅或公債融通政府暫時性與永久性支出增加的相對優勢，提供若干理論研究，作為面臨融通工具選擇時的考量因素。 　　關於融通政府暫時性支出增加的分析，M.Feldstein(1985)認為只有利率等於時間折現率的條件下，公債優於租稅：若時間折現率低於利率時，公債未必優於租稅。本文修正M.Feldstein(1985)模型，進一步考慮公債的債息融通方式及還本期限等問題，計算公債融通的負擔並與租稅負擔相較。 　　關於融通政府永久性增加的分析，S.J.Turnovsky(1992)比較分別以定額稅、工資稅和資本稅融通對即時效用和福利的影響，認為以短期而言，較佔優勢的融通工具，就長期觀點來看未必如此。其亦注意各融通工具間就穩定性的不同。本文以Turnovsky(1992)模型為分析基礎，加入公債融通的考慮，著重於對公債與定額稅穩定條件差異的強調。

A babosa (Aloe vera (L.) Burm. f.), família Asphodelaceae, reconhecida e explorada mundialmente pela indústria farmacêutica e cosmética devido aos princípios medicinais de seus compostos fenólicos e principalmente ao gel de polissacarídeos específicos, foi submetida a dois experimentos interligados. O primeiro, refere-se a micropropagação no qual foram avaliados tratamentos de desinfestação de ápices caulinares, multiplicação in vitro e condições de aclimatação ex vitro. O segundo experimento refere-se ao cultivo das plantas em areia lavada e irrigada com solução nutritiva, em condições controladas de casa de vegetação, onde foram testados os efeitos de doses (105; 210 e 315 ppm) de nitrogênio avaliados aos 90; 180 e 270 dias de cultivo. Os efeitos foram avaliados em função dos teores foliares dos macronutrientes e dos micronutrientes boro, cobre, ferro manganês e zinco, de proteínas totais solúveis (PTS), de açúcares redutores (AR) e açúcares totais solúveis (ATS) e sobre o crescimento por meio do índice de área foliar (IAF), da taxa de assimilação líquida (TAL), taxa de crescimento relativo (TCR), taxa de crescimento absoluto (TCA) e incrementos de massas de matérias fresca (IMMF) e seca (IMMS). Todos os dados foram analisados estatisticamente. Em relação a micropropagação, a eficiência de desinfestação foi aumentada em torno de 40% na obtenção de ápices caulinares verdes em início de brotação quando as plantas colhidas a campo foram previamente desinfestadas por lavagem com solução de hipoclorito de sódio com 0,5% de cloro ativo ou com solução de dicloroisocianurato de sódio (Sumaveg®) 0,66%. p.v-1 e os ápices caulinares submetidos a imersões alternadas nas soluções dos dois produtos utilizados. A fase multiplicativa da microproagação em meio MS apresentou um rendimento de 1:5,3 a cada intervalo de 30 dias de multiplicação. A partir de 136 ápices caulinares desinfestados, verdes, em início de brotação, foram obtidas 40.495 microplantas. Classificadas em pequenas, médias e grandes, foram submetidas a condições de aclimatação observando-se que bandejas de 64 células com 40 cm3 de substrato apresentaram economia em torno de 50% de substrato e em espaço físico na casa-de-vegetação com micro-aspersão e exaustão de ar em sistema \"pad-house\", e durante o processo de aclimatação e transporte das microplantas aclimatadas. Em relação ao cultivo das plantas em doses de nitrogênio, apesar de algumas variáveis responderem melhor à dose de 105 ppm e outras à dose de 315 ppm, a dose de 210 ppm de nitrogênio favoreceu as melhores respostas para os teores de açúcares totais solúveis (504,21 mgATS.g-1 de MMS), que são diretamente relacionados ao conteúdo de polissacarídeos específicos, de interesse comercial da cultura de Aloe vera. Esses teores, por sua vez, foram propiciados pelos melhores valores de IAF, TCA, IMMF e IMMS, todos observados aos 270 dias de cultivo, ratificando a significância do fator tempo e da dose de 210 ppm de nitrogênio no cultivo dessa espécie vegetal. / Aloe vera (L.) Burm. f., family Asphodelaceae, worldwide renowned and explored by pharmaceutics and cosmetics industries due to its phenolics bearing medicinal principles and mainly to the specific polysaccharides present in the gel, was submitted to two interlinked experiments. The first one refers to apical shoot micropropagation evaluating different disinfection treatments of the explants, the in vitro bud multiplication and ex vitro acclimatization of the microplants. The second one refers to cultivation in greenhouse of the micropropagated plants in washed sand and irrigated with nutritive solution, in the presence of three nitrogen rates (105, 210 and 315 ppm); the plant material was harvested at 90-, 180- and 270-day. All data were statistically analyzed. The effects of nitrogen were evaluated on the content of the macronutrients, the following micronutrients: B, Cu, Fe, Mn and Zn and total soluble proteins, reducing sugars, total soluble sugars; the growth of the Aloe vera plants was measured through the foliar area index, the rate of liquid assimilation, rates of relative and absolute growth and increases in the fresh and dry weights. In regards to micropropagtion, the efficiency of the disinfection process was increased by 40% when the plants harvested in the field were previously washed either with sodium hypochloride (0.5% active chlorine) solution or sodium dichloroisocyanurate (Sumaveg®) 0.66% w.v-1 solution and the apical shoots explants were afterwards alternatively treated with the two disinfectants. The multiplication phase in MS medium showed a rate of 1:5.3 of microplant production at each 30-day interval with a production of 40.495 microplants out of the 136 initial disinfected apical shoots. The microplants were classified as small, medium and large plants and acclimatized in polyethylene trays bearing 64 cells with 40 cm3 of substrate each cell, a 50% saving in terms of substrate amount and free space in the greenhouse equipped with micro-aspersion irrigation, pad-house and air exhaustion systems and also in the transport of the acclimatized microplants. In regards to the effect of nitrogen rates on the development of Aloe vera plants, besides the fact that the best responses were observed either to 105 ppm or 315 ppm nitrogen by some variables, at 210 ppm nitrogen rates the best result was obtained for total soluble sugars (504.21 mg.g-1DW); the sugars are directly related to specific polysaccharides of Aloe vera and are of great importance for the industries. On the other hand, these values were favored by the best values reached by the physiological variables studied in this work at 270-day validate the significance of the time factor and the 210 ppm N rates in the Aloe vera production system.

The thesis target is to design construction treatments resulting in improving the passenger railway transport in this section. Planned modernization and electrification will change the transport nature significantly, which calls for an examination of the existing track possibilities. The task was to focus on the regarding stations as a crucial troughput aspect and on the travel quality improvment by minor construction adjustments. I have examined walking distances, designed a new Troubelice - Centrum stop. By convenient platform shifts higher velocities criteria were met. All precautions respect the wheelchair access. The station design allows higher velocities operation and do not restricts current use.

В настоящее время малые предприятия признаются одними из ключевых участников рыночной среды, особенностью функционирования которых является ограниченность ресурсов. Ориентация компании на рынок дает возможность предприятию концентрировать усилия в соответствии с потребностями рынка, в данном случае маркетинг является инструментом, который способен оказывать влияние на адаптацию компании к рынку и повышать ее эффективность. Целью магистерской диссертации является разработка методического подхода к повышению эффективности деятельности малых предприятий за счет комплексного использования маркетинговых инструментов. В работе рассматриваются теоретические и прикладные вопросы эффективности деятельности малых предприятий, рассмотрено понятие маркетинговых инструментов. В качестве источников информации использовалась учебно-методическая и научно-исследовательская литература, финансовые показатели отчетности трех малых предприятий сферы розничной торговли. В ходе написания магистерской диссертации был разработан методический подход к повышению эффективности деятельности малого предприятия, особенностью которого является использование инструментов маркетинга в качестве дополнения к системе экономического анализа предприятия. Внедрение маркетинговых инструментов производится на основе проведения статистического анализа, обладающего высоким уровнем объективности и наглядности представления результатов применения маркетинговых инструментов, являющихся одним из важнейших факторов достижения компанией более высокого уровня эффективности. В результате апробации разработанного методического подхода на малых предприятиях сферы розничной торговли наблюдается улучшение основных показателей эффективности предприятия в сравнении с ранее полученными результатами при применении инструментов маркетинга. Разработанный методический подход является внутренним инструментом для повышения функционирования предприятия. / Nowadays small enterprises are considered to be one of the key participants of the marketing environment the main peculiarity of which is the possession of limited resources. Marketing orientation of the company gives the enterprise the opportunity for the accumulation of the efforts according to the marketing requirements. In this case marketing is the instrument which is able to influence the adaptation of the company to the market and increase its efficiency. The goal of the Master’s dissertation is the development of the methodological approach to the increase of small enterprises efficiency through the integrated use of marketing instruments. In the dissertation the author looks into the theoretical and practical issues of small enterprises activity efficiency, explains the definition of the marketing instruments. As the resources of the information for the dissertation there was chosen educational, methodological, scientific and research literature as well as the financial indicators of three retail small enterprises. In the process of working on the dissertation the author developed the methodological approach to the increase of small enterprises activity efficiency which peculiarity is the use of marketing instruments as the addition to the system of the enterprise economic analysis. The implementation of the marketing instruments is done on the basis of the statistical analysis which possesses the high level of objectivity and clarity of the result presentation of the marketing instruments which are one of the main factors of the company’s efficiency increase. As a result of the approbation of the developed methodological approach on retail small enterprises there is the increase of the main indicators of the enterprise efficiency in comparison with the previous results involving the use of marketing instruments. The developed methodological approach is the inner instrument for the increase of the company’s activity.