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ORGANIC LIGHT EMITTING DIODES (OLED) 有机发光二极管(oled)
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciphyschem.2023.1.46
S. Polosan
"Organic Light Emitting Diodes (OLED) now reach the third phase concerning efficiency. The first devices are based on pure organic materials, and the second and third generations are based on combinations between metals and organic ligands in so- called organometallics for which their emission external quantum efficiency is increased. The second generation is now widely used in large displays reaching high efficiency because of the spin-orbit coupling between metal and their ligands, which induces intersystem crossing processes. The third generation of OLED comprises an increased external quantum efficiency obtained by adequately choosing the ligands, reaching a theoretical value of 100%. These OLEDs will be briefly described with their advantages and the technologies necessary for next-generation displays."
“有机发光二极管(OLED)现在达到了关于效率的第三阶段。第一代装置是基于纯有机材料,第二代和第三代是基于金属和有机配体之间的组合,即所谓的有机金属,它们的发射外量子效率增加了。由于金属及其配体之间的自旋轨道耦合导致系统间交叉过程,第二代电子器件广泛应用于高效率的大型显示器中。第三代OLED包括通过适当选择配体获得的增加的外部量子效率,达到100%的理论值。这些oled将简要介绍它们的优势和下一代显示器所需的技术。”
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引用次数: 0
THE CONCEPT OF AGRI-GASTRONOMY 农业烹饪的概念
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciagr.2023.1.5
R. Gruia
The study brings to the fore a reality expressed by the well-known phrase ”From Farm to Fork”, describing as a new concept the synergy of scientific, managerial abd operational integration at production and processing level between agriculture (with all its fields) and gastronomy (with all its nuances its). The notion of agri-gastronomy is analyzed, to which, beyond definition, the multi-integrated (integronic) polyvalence of the two fields of activity is complemented. The work highlights the paradigmatic overlap of the two branches:”agriculture”, i.e. the production of products of vegetable and animal origin, as raw materials necessary for ”gastronomy” in high-quality culinary production. The objective is the awareness necessary to optimize the production, processing and consumption of food products from agriculture, with an emphasis on quality, taste and traditional know-how. The pragmatic solutions generated by this concept aim at qualitative emergence, as well as encouraging collaboration between producers, processors and restaurateurs, in order to offer consumers authentic and tasty culinary experiences, while contributing to the economic and social development of the local community and the territorial area in question.
这项研究将“从农场到餐桌”这一众所周知的短语所表达的现实带到了前台,它将农业(及其所有领域)和美食(及其所有细微差别)在生产和加工层面上的科学、管理和运营一体化描述为一个新概念。分析了农业美食学的概念,对其进行了超越定义的多重整合(整合)多价性的补充。这项工作突出了这两个分支的典型重叠:“农业”,即生产蔬菜和动物来源的产品,作为高质量烹饪生产中“美食”所必需的原材料。目标是提高对农业食品的生产、加工和消费进行优化的必要认识,重点是质量、口味和传统知识。由这一概念产生的务实解决方案旨在提高质量,并鼓励生产者、加工商和餐馆老板之间的合作,以便为消费者提供真实和美味的烹饪体验,同时为当地社区和相关领土的经济和社会发展做出贡献。
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引用次数: 0
CONTRIBUTIONS TO THE STUDY OF HEAVY METALS POLLUTING FROM THE ENVIRONMENT, BY ATOMIC SPECTROMETRY 原子光谱法研究环境中重金属污染的贡献
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciphyschem.2023.1.115
Raluca Maria MIHAI (ȘTIRBESCU), I. Popescu
"In this scientific work are presented a part of the results included in the thesis entitled "Contributions to the study of heavy polluting elements from the environment by atomic spectrometry" which includes the innovative contributions to the study of the distribution of heavy metals in acacia leaves collected from Dâmbovița county and neighboring counties and the distribution of heavy metals from surface and deep soil collected from the main oil parks in Dâmbovița county. In the analysis of heavy metal concentrations in the studied samples, the spectrometric techniques were used: Atomic Absorption Spectrometry (AAS) and Energy Dispersive X-Ray Fluorescence Spectrometry (EDXRF), which were successfully optimized and provided valuable information used in following studies, to assess degree of heavy metal pollution of the environment. These methods were used in a complementary way with the biomonitoring technique in order to have as complete information as possible of the elemental composition of the analyzed samples."
在这项科学工作中,介绍了题为“原子光谱法对环境中重污染元素研究的贡献”的论文中的部分成果,其中包括对Dâmbovița县及其邻县收集的金合欢树叶中重金属分布的研究的创新贡献,以及Dâmbovița县主要石油园区收集的表层和深层土壤中重金属的分布。在研究样品中重金属浓度的分析中,采用原子吸收光谱法(AAS)和能量色散x射线荧光光谱法(EDXRF)两种光谱技术进行了优化,并为后续研究提供了有价值的信息,以评估重金属对环境的污染程度。这些方法与生物监测技术相辅相成,以便获得尽可能完整的分析样品元素组成信息。”
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引用次数: 0
NON-LINEAR BEHAVIORS IN THE DYNAMICS OF COMPLEX SYSTEMS WITH POTENTIAL ECONOMY APPLICATION. QUALITATIVE ANALYSIS FROM MULTI-FRACTAL PERSPECTIVE 具有潜在经济应用价值的复杂系统动力学中的非线性行为。多重分形视角的定性分析
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciphyschem.2023.1.7
Dumitru Filipeanu, C. Tiganas, Claudia Grigoras-Ichim, Razvan.-V. Ababei, M. Agop
"In a Schrödinger-type and Madelung-type scenarios for the description of complex economics system dynamics, SL(2R) symmetries are highlighted. The emergence of such symmetries has several consequences: the existence of analogic-type behavior as a gauge invariance of Riccati type as well as the existence of digital-type behavior through the spontaneous symmetry breaking of the same gauge invariance. When said symmetries are discussed in the context of economics dynamics, the individual reaction to market signals can be associated to period doubling and modulated dynamics (i.e. to the digital signals) while, the behaviors of large investors and of the State, through banking or monetary policies, can associated to the “complex economics system background” (i.e. analogical signals). Moreover, the markets have a fractal/multi-fractal structure on the long term, being characterized by a “self-memory”. The economic structures emphasize fluctuations but, they never reach the chaos state. Thus, a holographic approach on complex economics system dynamics (and, on economics complex economics systems) provides a valid and more natural perspective, compared to the standard approaches. Our research provides a qualitative insight of economics complex system dynamics, remaining a more rigorous study which reveals a quantitative analysis of financial fractal bubbles to be done in further research."
在描述复杂经济系统动力学的Schrödinger-type和madelung型情景中,突出了SL(2R)对称性。这种对称性的出现有几个后果:作为Riccati型规范不变性的类比型行为的存在,以及通过相同规范不变性的自发对称破缺的数字型行为的存在。当在经济动态的背景下讨论上述对称性时,个人对市场信号的反应可能与周期加倍和调制动态(即数字信号)有关,而大型投资者和国家通过银行或货币政策的行为可能与“复杂的经济系统背景”(即类比信号)有关。市场长期表现为分形/多重分形结构,具有“自我记忆”特征。经济结构强调波动,但永远不会达到混沌状态。因此,与标准方法相比,复杂经济学系统动力学(以及复杂经济学系统)的全息方法提供了一个有效且更自然的视角。我们的研究为经济学复杂系统动力学提供了一个定性的视角,对于金融分形泡沫的定量分析还有待进一步的研究。”
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引用次数: 0
THE PRODUCTIVITY ASSESSMENT OF THE VEGETATION OF THE SALINE GRASSLANDS IN ROMANIA 罗马尼亚盐碱地草原植被生产力评价
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciagr.2023.1.46
T. Marușca
The vegetation of the saline soils (Solonceacuri, Soloneturi and Solodii) in Romania is represented by permanent grasslands and occupies approximately 300,000 hectares from the Black Sea coast to some low plains with groundwater on the surface. Habitat 1310, Salicornia and other annuals colonizing mud and sand represented by the Salicornion prostratae alliance, has a pastoral value (PV) of 3.9 and green mass production (GMP) of barely 0.36 t/ha and Habitat 1410, Mediterranean salt meadows ( Juncetalia maritimi) with 5.5 PV and 0.45 t/ha GMP, both are assessed as degraded form forage quality point of view. Habitat 1530, Pannonic salt-steppes and salt marshes comprises 5 alliances (Cypero-Spergularion, Puccinellion limosae, Junciongerardii, Beckmanione ruciformis and Festucion pseudovinae) with 30.9 PV and 3.85 t/ha GMP, which allows an optimal loading of 0.37 LU/ha in 160 days, 10 times higher than at H 1310 and H 1410. Respecting the optimal grazing capacity is necessary to preserve the biodiversity of these grasslands.
罗马尼亚盐碱地(Solonceacuri, Soloneturi和Solodii)的植被以永久草原为代表,从黑海海岸到一些地表有地下水的低平原约占30万公顷。栖息地1310的盐角草和其他以匍匐盐角草联盟为代表的一年生泥沙植物的牧养价值(PV)为3.9,绿色批量生产(GMP)仅为0.36 t/ha;栖息地1410的地中海盐草甸(Juncetalia maritimi)的PV为5.5,绿色批量生产(GMP)为0.45 t/ha,均属于退化饲料质量。生境1530,含盐草原和盐沼,包括5个群落(cypero - spergulion, Puccinellion limosae, Junciongerardii, Beckmanione ruciformis和festion pseudovinae), PV为30.9,GMP为3.85 t/ hm2, 160 d的最佳负荷为0.37 LU/ hm2,比h1310和h1410高10倍。尊重最佳放牧能力是保护草原生物多样性的必要条件。
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引用次数: 0
CIVIL SOCIETY ORGANIZATIONS-CSOs and NON-GOVERNMENTAL ORGANIZATIONS-NGOs REQUIRE A TRANSFORMATIONIN THE VISION OF THE ROMANIA'S STRATEGY 2020-2025 公民社会组织-公民社会组织和非政府组织-非政府组织需要在罗马尼亚战略2020-2025的愿景中进行转变
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciagr.2023.1.36
Susana Geangalău
The work aims to replace in the Civil Society Organizations in Romania the way that has been performed so far, as for them to acquire the transformation in order to achieve superior, modern, sustainable results and progress in their development
这项工作的目的是在罗马尼亚的民间社会组织中取代迄今为止的做法,使它们获得变革,以便在其发展中取得卓越、现代、可持续的成果和进步
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引用次数: 0
What we know and what we don't know about the earthquakes in the Vrancea region (Romania) 关于罗马尼亚弗朗西亚地区的地震,我们知道什么,不知道什么
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciphyschem.2023.1.58
M. Radulian, M. Popa, R. Dinescu
Vrancea is one of the few seismic sources on the Globe that generates major earthquakes (7 to 8 magnitude) at intermediate depth (60 – 180 km) in a very confined seismogenic volume (seismic nest). Understanding how these earthquakes are generated is of wide interest both scientifically and considering the major impact of these earthquakes in Romania and neighbouring countries. The present paper is an overview of what we know at present and what still remains to be clarified in the future regarding the seismic process in the Vrancea area. The prominent features of the Vrancea prone-earthquake system are critically presented discussing their consistency with observation data, concordances and discrepancies and how to interpret them in the light of the latest research. Key elements are analysed related to geodynamic modelling (nature of the cold and dense material descending into the mantle, coupling of the Vrancea slab with the overlying continental crust) and seismicity patterns showing specific characteristics as geometrical configuration in consistence with the predominant focal mechanism and possible physico-geochemical reactions at critical temperature-pressure conditions.
弗朗西亚是地球上为数不多的震源之一,在一个非常有限的发震体(地震巢)中深度(60 - 180公里)产生7到8级的大地震。了解这些地震是如何产生的具有广泛的科学意义,并且考虑到这些地震对罗马尼亚及其邻国的主要影响。本文概述了我们目前所知道的,以及未来关于弗朗西亚地区地震过程仍有待澄清的问题。批判性地介绍了弗朗西亚地震易发系统的突出特征,讨论了它们与观测资料的一致性、一致性和差异,以及如何根据最新研究对它们进行解释。分析了与地球动力学模型相关的关键因素(下降到地幔的冷和致密物质的性质,弗朗西亚板块与上覆大陆地壳的耦合)和地震活动模式,这些模式显示了与主要震源机制一致的几何构型和临界温度-压力条件下可能的物理-地球化学反应的特定特征。
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引用次数: 0
COMPLEX TRIGLYCINE SULPHATE (TGS) CRYSTAL ANALYSIS 络合硫酸三甘氨酸(tgs)晶体分析
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciphyschem.2023.1.93
H. Alexandru
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引用次数: 0
DETERMINATION OF POTENTIAL AREAS OF INFLUENCE ON THE ROMANIAN TERRITORY OF UKRAINIAN NUCLEAR POWER PLANTS IN THE CONTEXT OF THE CRISIS GENERATED BY THE RUSSIAN-UKRAINIAN CONFLICT 在俄乌冲突造成危机的情况下,确定乌克兰核电站对罗马尼亚领土的潜在影响领域
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciphyschem.2023.1.26
A. Pavelescu, V. Acasandrei, B. Vamanu, D. Vamanu, M. Pavelescu
In the context of the crisis generated by the Russian-Ukrainian conflict, radiological situation forecasts were made within the National Institute of Research and Development for Physics and Nuclear Engineering "Horia Hulubei" (IFIN-HH) for all nuclear power plants in Ukraine. Therefore, the resident decision support software systems for radiological and nuclear emergencies were used, with the main purpose of identifying potential areas of influence on the territory of Romania generated by Ukrainian power plants, as consequence of military actions. In the absence of pertinent and confirmed information, two hypothetical scenarios were considered by which the radioactive material could be dispersed into the atmosphere, for which appropriate accident source terms were built, using methods validated and approved by the international organizations in the field. The monitoring of the radiological situation of the Ukrainian nuclear power plants was carried out over a period of several months starting from the first day of the conflict outbreak. In the paper are presented comparative results obtained with two software systems for a representative case at the Zaporozhe Nuclear Power Plant, the largest nuclear power plant in Europe, situated in the center of several disputes.
在俄乌冲突引发危机的背景下,乌克兰国家物理与核工程研究与发展研究所(IFIN-HH)对乌克兰所有核电站进行了辐射状况预测。因此,使用了辐射和核紧急情况驻地决策支持软件系统,其主要目的是确定乌克兰发电厂因军事行动而对罗马尼亚领土产生的潜在影响。在缺乏有关和证实的资料的情况下,考虑了两种假设情况,其中放射性物质可以分散到大气中,并使用经该领域国际组织验证和核准的方法建立了适当的事故源条件。从冲突爆发的第一天起,对乌克兰核电站的辐射情况进行了几个月的监测。本文介绍了两种软件系统在扎波罗热核电站的典型案例中的比较结果,扎波罗热核电站是欧洲最大的核电站,处于几个争议的中心。
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引用次数: 0
Romanian mountain entrepreneurship from a statistical perspective: EVIDENCES on commercial and logistics sectors 从统计角度看罗马尼亚山地创业:商业和物流部门的证据
Pub Date : 2023-01-01 DOI: 10.56082/annalsarsciagr.2023.1.27
Brindusa Covaci, R. Brejea, M. Constantin, Mihai Covaci
The paper aims to replace in the Civil Society Organizations in Romania the way that has been performed so far, as for them to acquire the transformation in order to achieve superior, modern, sustainable results and progress in their development.
本文的目的是在罗马尼亚的民间社会组织中取代迄今为止所执行的方式,使它们获得转型,以便在其发展中取得优越、现代、可持续的成果和进步。
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引用次数: 0
期刊
Annals Series on History and Archaeology Academy of Romanian Scientists
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