Pub Date : 2022-06-27DOI: 10.56082/annalsarsciphyschem.2022.1.53
A. Lepadatu, I. Stavarache, C. Palade, A. Slav, V. Maraloiu, I. Dascalescu, O. Cojocaru, V. Teodorescu, T. Stoica, M. Ciurea
"Nanocrystalline Si and Ge are ofhigh interestfor integrated Si photonics related to light emission, opticul sensors, photodetectors, solar energy harvesting and conversion devices, and also forfloating gate non-volatile memories (NVMs). In this review, we have focused on nanocrystalline porous Si (nc-PS) with extension to Si nanodots, and Ge nanocrystals (NCs)Zquantum dots (QDs)/nanoparticles (NPs) embedded in oxides (SiCh, TiCE, HfCh, AI2O3). The great asset ofnc-PS is its intense photoluminescence in VIS at room temperature (RT), while Ge NCs/NPs embedded in oxides show high photosensitivity in VISNIR-SWIR in the spectral photocurrent up to 1325 nm at RT. Ge NCs/NPs/QDsfloating gate NVMs present high memory performance, the retention characteristics corresponding to the state of the art for NCs floating gate NVMs. We prove the relevance of controlling the preparation parametersfor obtainingfilms with targetedphotoluminescence, photosensitivity and charge storage properties for applications, e.g. VIS-NIR-SWIR optical sensors and photodetectors, and electronic and photoelectric NVMs. We evidence the correlation of preparation conditions, morphology, composition and crystalline structure with optical, electrical, photoelectrical and charge storage properties and also evidence the contribution ofquantum confinement effect, localized States and trapping centers."
{"title":"FROM Si NANOWIRES TO Ge NANOCRYSTALS FOR VIS-NIR-SWIR SENSORS AND NON-VOLATILE MEMORIES: A REVIEW","authors":"A. Lepadatu, I. Stavarache, C. Palade, A. Slav, V. Maraloiu, I. Dascalescu, O. Cojocaru, V. Teodorescu, T. Stoica, M. Ciurea","doi":"10.56082/annalsarsciphyschem.2022.1.53","DOIUrl":"https://doi.org/10.56082/annalsarsciphyschem.2022.1.53","url":null,"abstract":"\"Nanocrystalline Si and Ge are ofhigh interestfor integrated Si photonics related to light emission, opticul sensors, photodetectors, solar energy harvesting and conversion devices, and also forfloating gate non-volatile memories (NVMs). In this review, we have focused on nanocrystalline porous Si (nc-PS) with extension to Si nanodots, and Ge nanocrystals (NCs)Zquantum dots (QDs)/nanoparticles (NPs) embedded in oxides (SiCh, TiCE, HfCh, AI2O3). The great asset ofnc-PS is its intense photoluminescence in VIS at room temperature (RT), while Ge NCs/NPs embedded in oxides show high photosensitivity in VISNIR-SWIR in the spectral photocurrent up to 1325 nm at RT. Ge NCs/NPs/QDsfloating gate NVMs present high memory performance, the retention characteristics corresponding to the state of the art for NCs floating gate NVMs. We prove the relevance of controlling the preparation parametersfor obtainingfilms with targetedphotoluminescence, photosensitivity and charge storage properties for applications, e.g. VIS-NIR-SWIR optical sensors and photodetectors, and electronic and photoelectric NVMs. We evidence the correlation of preparation conditions, morphology, composition and crystalline structure with optical, electrical, photoelectrical and charge storage properties and also evidence the contribution ofquantum confinement effect, localized States and trapping centers.\"","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"125 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78559896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphil.2022.1-2.39
Nela Mircică
"Concerned with philosophy, history and logic alike, Athanase Joja has written a treatise on logic which is the fundamental landmark of the current logic research. The second half of the twentieth century is marked by the appearance of its four volumes of logic. The volumes include a history of logic, problems of systematic logic and logic of science, which reveals his logical vision, but also his philosophical one. He manages to develop a complex theory of the history of logic, capitalizing on the conceptions of classical and modern philosophers, through a proper hierarchy and interpretation, corresponding to an integrative conception. He gives ample space to some complex, vast and difficult-to-match problems. He has been questioning himself constantly and he sought pertinent answers to problems of logic, epistemology and ontology, in order to capture some generally valid truths. The history of ancient thought, Greek philosophy and especially Aristotelian thought were analysed, systematized and discussed in his own manner, a fact which led Constantin Noica to contribute to the publication of two of his History of Ancient Thought volumes. About him, Ion Ianoși stated that through his texts he proves a certain aesthetic sensitivity and receptivity to artistic values. The present study, based on a careful documentation, aims to configure an image as close as possible to the reality of the great thinker Athanase Joja. Particularly critical of his own writings, he provoked a relatively low cognitive interest in his research; this explains the fact that his work is insufficiently known and valued. However, the 21st century has begun with a globally manifest desire to capitalize on and reinterpret the knowledge of the forerunners. In this regard, we note the fact that his life and work were evoked, in 2004, on the occasion of the 100th anniversary of his birth. In the public life, he played an important role in promoting scientific values and contributed to the establishment of prestigious international scientific publications and events, which would capitalize on the results of Romanian scientific research. We consider that any attention paid to Athanase Joja’s work is an approach that is part of the global cultural trends of the 21st century."
{"title":"ATHANASE JOJA – OUTSTANDING PERSONALITY OF THE ROMANIAN CULTURE","authors":"Nela Mircică","doi":"10.56082/annalsarsciphil.2022.1-2.39","DOIUrl":"https://doi.org/10.56082/annalsarsciphil.2022.1-2.39","url":null,"abstract":"\"Concerned with philosophy, history and logic alike, Athanase Joja has written a treatise on logic which is the fundamental landmark of the current logic research. The second half of the twentieth century is marked by the appearance of its four volumes of logic. The volumes include a history of logic, problems of systematic logic and logic of science, which reveals his logical vision, but also his philosophical one. He manages to develop a complex theory of the history of logic, capitalizing on the conceptions of classical and modern philosophers, through a proper hierarchy and interpretation, corresponding to an integrative conception. He gives ample space to some complex, vast and difficult-to-match problems. He has been questioning himself constantly and he sought pertinent answers to problems of logic, epistemology and ontology, in order to capture some generally valid truths. The history of ancient thought, Greek philosophy and especially Aristotelian thought were analysed, systematized and discussed in his own manner, a fact which led Constantin Noica to contribute to the publication of two of his History of Ancient Thought volumes. About him, Ion Ianoși stated that through his texts he proves a certain aesthetic sensitivity and receptivity to artistic values. The present study, based on a careful documentation, aims to configure an image as close as possible to the reality of the great thinker Athanase Joja. Particularly critical of his own writings, he provoked a relatively low cognitive interest in his research; this explains the fact that his work is insufficiently known and valued. However, the 21st century has begun with a globally manifest desire to capitalize on and reinterpret the knowledge of the forerunners. In this regard, we note the fact that his life and work were evoked, in 2004, on the occasion of the 100th anniversary of his birth. In the public life, he played an important role in promoting scientific values and contributed to the establishment of prestigious international scientific publications and events, which would capitalize on the results of Romanian scientific research. We consider that any attention paid to Athanase Joja’s work is an approach that is part of the global cultural trends of the 21st century.\"","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"45 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73811623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciagr.2022.2.43
Brindusa Covaci, M. Constantin, R. Brejea, Mihai Covaci
The paper develops a descriptive analysis (ANOVA) and forecasting regarding cattle, sheep, goats and pigs in Romania. The data simulated in SPSS, taken from Eurostat, show that these numbers will continue to decrease considerably, both in the Bucharest-Ilfov region and in the Romanian mountain regions. The general situation of mountain agriculture shows similar trends to Romanian agriculture. At the national level, the arable surface has been reduced in stages in the last three decades, a decrease mainly due to the change of extensive agricultural methods (grazing, spontaneous flora) with intensive ones (stable, controlled flora). Following the national agricultural trend, mountain agriculture after 1990 changed its structure and dimensions (such as cattle, production and mountain producers, mountain entrepreneurship, etc.). Some aspects remained quantitatively unchanged, such as the large number of individual holdings and the high share of agricultural land use. In this context, public and private entities must act jointly for the valorization of mountain ecosystems by controlling the pollution caused by the numerous individual exploitations. The mountain ecosystems in the Romanian area influence the national agricultural productivity, valuing the mountain product at the highest levels. Whether it is alpine meadow ecosystems, including coniferous forests and interpenetration zones between high and mid-mountains, low-mountain ecosystems, or high- and mid-hill ecosystems, the ultimate goal of pollution reduction research and action must be the same, respectively protecting the mountain area.
{"title":"STATISTICAL ANALYSIS ON VALORIZATION THE ROMANIAN LIVESTOCK FROM THE MOUNTAIN REGIONS","authors":"Brindusa Covaci, M. Constantin, R. Brejea, Mihai Covaci","doi":"10.56082/annalsarsciagr.2022.2.43","DOIUrl":"https://doi.org/10.56082/annalsarsciagr.2022.2.43","url":null,"abstract":"The paper develops a descriptive analysis (ANOVA) and forecasting regarding cattle, sheep, goats and pigs in Romania. The data simulated in SPSS, taken from Eurostat, show that these numbers will continue to decrease considerably, both in the Bucharest-Ilfov region and in the Romanian mountain regions. The general situation of mountain agriculture shows similar trends to Romanian agriculture. At the national level, the arable surface has been reduced in stages in the last three decades, a decrease mainly due to the change of extensive agricultural methods (grazing, spontaneous flora) with intensive ones (stable, controlled flora). Following the national agricultural trend, mountain agriculture after 1990 changed its structure and dimensions (such as cattle, production and mountain producers, mountain entrepreneurship, etc.). Some aspects remained quantitatively unchanged, such as the large number of individual holdings and the high share of agricultural land use. In this context, public and private entities must act jointly for the valorization of mountain ecosystems by controlling the pollution caused by the numerous individual exploitations. The mountain ecosystems in the Romanian area influence the national agricultural productivity, valuing the mountain product at the highest levels. Whether it is alpine meadow ecosystems, including coniferous forests and interpenetration zones between high and mid-mountains, low-mountain ecosystems, or high- and mid-hill ecosystems, the ultimate goal of pollution reduction research and action must be the same, respectively protecting the mountain area.","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74643867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphyschem.2022.1.140
A. Pavelescu, Mărgărit Pavelescu
An analysis regarding the release and atmospheric transport ofradionuclides in case of a hypothetical nuclear incident at Cernavoda Nuclear Power Plant was performed in the present paper. For that purpose, the computer code JRodos (Real-Time Online Decision Support System for Offsite Emergency Management in Europe) was implied.
{"title":"ESTIMATION OF RADIOLOGICAL CONSEQUENCES FOR A HYPOTHETICAL RADIOACTIVE RELEASE AT CERNAVODA NPP","authors":"A. Pavelescu, Mărgărit Pavelescu","doi":"10.56082/annalsarsciphyschem.2022.1.140","DOIUrl":"https://doi.org/10.56082/annalsarsciphyschem.2022.1.140","url":null,"abstract":"An analysis regarding the release and atmospheric transport ofradionuclides in case of a hypothetical nuclear incident at Cernavoda Nuclear Power Plant was performed in the present paper. For that purpose, the computer code JRodos (Real-Time Online Decision Support System for Offsite Emergency Management in Europe) was implied.","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"33 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75603483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphyschem.2022.1.107
V. Ciupină, R. Vlǎdoiu, C. P. Lungu, C. Porosnicu, G. Prodan, E. Vasile, A. MANDES, V. Dinca, A. Velea, V. Nicolescu
Nanostructured titanium-carbon nanostructured thin films were prepared using the Thermionic Vacuum Arc (TVA) technology in different configurations under a varied number of Ti/C combinations at high base pressure of 1 x 10-6Torr with and without graded compositions. The layers consisting of about lOOnm Carbon base layer and seven 40nm alternatively Ti and C layers were deposited on Silicon substrates. On the other hand, in order to obtain C-Ti multilayer structures with variable thickness and different percentages in C and Ti oflayers, a 20nm thick C layer was first deposed on Si substrate and then seven Ti-C layers, each ofthese having thickness of up to 40nm were deposed. To perform the successively layers with various thickness were changed the discharge parameters for C and Ti plasma sources to obtain the desirable thickness. By changing ofsubstrate temperature between room temperature and 300°C and on the other hand the bias voltage up to -700V, different batches of samples were obtained for this study. The films were characterized by surface morphology, and microstructure, through Rutherford Backscattering Spectrometry (RBS), Raman Spectroscopy, Transmission Electron Microscopy (TEM), Grazing Incidence X-ray diffraction (GIXRD). Tribological and electrical measurements are also presented.
{"title":"NANOSTRUCTURED Ti-C THIN FILMS DEPOSITED BY THERMIONIC VACUUM ARC (TVA) TECHNOLOGY","authors":"V. Ciupină, R. Vlǎdoiu, C. P. Lungu, C. Porosnicu, G. Prodan, E. Vasile, A. MANDES, V. Dinca, A. Velea, V. Nicolescu","doi":"10.56082/annalsarsciphyschem.2022.1.107","DOIUrl":"https://doi.org/10.56082/annalsarsciphyschem.2022.1.107","url":null,"abstract":"Nanostructured titanium-carbon nanostructured thin films were prepared using the Thermionic Vacuum Arc (TVA) technology in different configurations under a varied number of Ti/C combinations at high base pressure of 1 x 10-6Torr with and without graded compositions. The layers consisting of about lOOnm Carbon base layer and seven 40nm alternatively Ti and C layers were deposited on Silicon substrates. On the other hand, in order to obtain C-Ti multilayer structures with variable thickness and different percentages in C and Ti oflayers, a 20nm thick C layer was first deposed on Si substrate and then seven Ti-C layers, each ofthese having thickness of up to 40nm were deposed. To perform the successively layers with various thickness were changed the discharge parameters for C and Ti plasma sources to obtain the desirable thickness. By changing ofsubstrate temperature between room temperature and 300°C and on the other hand the bias voltage up to -700V, different batches of samples were obtained for this study. The films were characterized by surface morphology, and microstructure, through Rutherford Backscattering Spectrometry (RBS), Raman Spectroscopy, Transmission Electron Microscopy (TEM), Grazing Incidence X-ray diffraction (GIXRD). Tribological and electrical measurements are also presented.","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79487336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciagr.2022.2.77
M. Dragan, S. Cristea, Ș. Jurcoane, S. Dănăilă-Guidea
The productivity and health of bee colonies depend on the presence of the honey zone, collecting nectar and pollen throughout the beekeeping season. Honeybees cannot exist in the absence of honey plants. The nectar and pollen of flowers on the territory of Romania constitute a valuable natural resource that would be wasted in the absence of bees, as until now the processing methods are insufficiently used. The proposed research theme aims at the superior exploitation of technologies for obtaining bee products by applying biotechnological methods and by the contribution of special technologies for increasing honey production by cultivating honey plants that bloom in the autumn period (September - October), when the main plant’s honeysuckle has ended their flowering period, at the level of Cornetu, in Ilfov county
{"title":"RESEARCH ON CULTURES OF HONEY PLANTS AT THE LEVEL OF CORNETU COMMUNE, IN ILFOV COUNTY - MINIREVIEW","authors":"M. Dragan, S. Cristea, Ș. Jurcoane, S. Dănăilă-Guidea","doi":"10.56082/annalsarsciagr.2022.2.77","DOIUrl":"https://doi.org/10.56082/annalsarsciagr.2022.2.77","url":null,"abstract":"The productivity and health of bee colonies depend on the presence of the honey zone, collecting nectar and pollen throughout the beekeeping season. Honeybees cannot exist in the absence of honey plants. The nectar and pollen of flowers on the territory of Romania constitute a valuable natural resource that would be wasted in the absence of bees, as until now the processing methods are insufficiently used. The proposed research theme aims at the superior exploitation of technologies for obtaining bee products by applying biotechnological methods and by the contribution of special technologies for increasing honey production by cultivating honey plants that bloom in the autumn period (September - October), when the main plant’s honeysuckle has ended their flowering period, at the level of Cornetu, in Ilfov county","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"46 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81525972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphyschem.2022.2.7
Alexandra Avram, A. Mocanu, O. Horovitz, G. Tomoaia, M. Tomoaia-Cotisel
Synthetic hydroxyapatite (Ca10(PO4)6(OH)2, HAP) is widely used in regards to orthopedic applications due to its similarity to the mineral component in bone. However, while HAP aids with osseointegration it does nothing when it comes to orthopedic infections. Moreover, the prevalence of antibiotic resistance makes treatment even more difficult. In view of this, adding silver to hydroxyapatite has been a focus of many studies due to the combined bioactivity of HAP and excellent antibacterial properties of Ag. The present work brings a brief introduction to more recent studies regarding the HAP-silver combination and its effect on different pathogenic strains. The effect of silver on benign cells is also discussed based on in vitro cultures and in vivo studies.
{"title":"ANTIBACTERIAL EFFECT OF HYDROXYAPATITE AND SILVER","authors":"Alexandra Avram, A. Mocanu, O. Horovitz, G. Tomoaia, M. Tomoaia-Cotisel","doi":"10.56082/annalsarsciphyschem.2022.2.7","DOIUrl":"https://doi.org/10.56082/annalsarsciphyschem.2022.2.7","url":null,"abstract":"Synthetic hydroxyapatite (Ca10(PO4)6(OH)2, HAP) is widely used in regards to orthopedic applications due to its similarity to the mineral component in bone. However, while HAP aids with osseointegration it does nothing when it comes to orthopedic infections. Moreover, the prevalence of antibiotic resistance makes treatment even more difficult. In view of this, adding silver to hydroxyapatite has been a focus of many studies due to the combined bioactivity of HAP and excellent antibacterial properties of Ag. The present work brings a brief introduction to more recent studies regarding the HAP-silver combination and its effect on different pathogenic strains. The effect of silver on benign cells is also discussed based on in vitro cultures and in vivo studies.","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"27 21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87804027","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphil.2022.1-2.67
Marieta Safta
The way in which the security of the State and its democratic institutions, human rights, and the safety of its officials and population are protected in emergency situations constitutes one of the benchmarks of the rule of law. From this perspective, the role of the constitutional courts is a prominent one since the courts are the guarantor of the Constitution, as a fundamental law enshrining all the values and rules of organizing and functioning of the public authorities. In Romania, both the Constitutional Court and the ordinary tribunals have encountered numerous requests from individuals. The citizens have challenged and questioned the acts of public authorities, raising sensitive issues, balancing competing fundamental rights, and, finally, the rule of law as a general principle enshrined in article 1 of the Constitution. In our study, we will present the case law of the Romanian Constitutional Court which is more relevant for the role of this court and constitutional courts in general in protecting democratic values in the context of emergencies, with special reference to the relationship and powers of the public authorities.
{"title":"THE ROLE OF CONSTITUTIONAL COURTS IN UPHOLDING THE RULE OF LAW IN EMERGENCY SITUATIONS","authors":"Marieta Safta","doi":"10.56082/annalsarsciphil.2022.1-2.67","DOIUrl":"https://doi.org/10.56082/annalsarsciphil.2022.1-2.67","url":null,"abstract":"The way in which the security of the State and its democratic institutions, human rights, and the safety of its officials and population are protected in emergency situations constitutes one of the benchmarks of the rule of law. From this perspective, the role of the constitutional courts is a prominent one since the courts are the guarantor of the Constitution, as a fundamental law enshrining all the values and rules of organizing and functioning of the public authorities. In Romania, both the Constitutional Court and the ordinary tribunals have encountered numerous requests from individuals. The citizens have challenged and questioned the acts of public authorities, raising sensitive issues, balancing competing fundamental rights, and, finally, the rule of law as a general principle enshrined in article 1 of the Constitution. In our study, we will present the case law of the Romanian Constitutional Court which is more relevant for the role of this court and constitutional courts in general in protecting democratic values in the context of emergencies, with special reference to the relationship and powers of the public authorities.","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"3 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83347226","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphyschem.2022.1.88
D. Mănăilă-Maximean, V. Cîrcu
This short review paper presents some important aspects ofliquid crystal and liquid crystal composites. Preparation methods ofpolymer dispersed liquid crystalfdms (PDLC), the obtained structure and their main application as light valve are shown. In the last decade, the field has experienced a sharp revitalization, due to nanodoping, which results in an improvement in workperformance
{"title":"ON LIQUID CRYSTALS AND LIQUID CRYSTAL DISPERSIONS","authors":"D. Mănăilă-Maximean, V. Cîrcu","doi":"10.56082/annalsarsciphyschem.2022.1.88","DOIUrl":"https://doi.org/10.56082/annalsarsciphyschem.2022.1.88","url":null,"abstract":"This short review paper presents some important aspects ofliquid crystal and liquid crystal composites. Preparation methods ofpolymer dispersed liquid crystalfdms (PDLC), the obtained structure and their main application as light valve are shown. In the last decade, the field has experienced a sharp revitalization, due to nanodoping, which results in an improvement in workperformance","PeriodicalId":32445,"journal":{"name":"Annals Series on History and Archaeology Academy of Romanian Scientists","volume":"26 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84614506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-01-01DOI: 10.56082/annalsarsciphil.2022.1-2.80
H. Șerban
Lucian Blaga (May 9, 1895 – May 6, 1961) is a Romanian philosopher of knowledge, history and anthropology with a “metaphysical vision of the totality of existence” (as he explains in 1938, aged 43, in his work entitled The Sketch of a Philosophical Self-Presentation) was influenced since his youth by Kant, Schopenhauer, Bergson, in structuring his antireductionist and anti-positivist perspective in philosophy. The main concepts of his philosophical system are the mystery, the style, the culture, the metaphysical and creative being, the Great Anonymous, the unconscious and the abyssal categories. We are going to address here mainly the historicity of the human being and the concept of mystery. This philosophical investigation is guided by the metaphysical principle, the problem of mystery and the problem of style, correlated in specific manners with the concept of a creative human being destined for mystery and capable of knowledge, dynamic, as well historical as spiritual, becoming onto being. The study addresses briefly the similarities and differences of the philosophical categories employed by Lucian Blaga against the Kantian categories. Also, we approach the relation of Lucian Blaga’s philosophy to Rortian philosophy and to certain ideas expressed by Michael Polanyi. The thesis of this paper is the idea that human expression overlaps human existence (and historicity), with her manifestations of knowledge through creativity; fashioned by the “stylistic matrix”, generated by the “abyssal categories,” with “ontological functions” correlated to the structure of the unconscious human spirit. Although not a personalist, Lucian Blaga emphasizes to such an extent the ontological difference of spiritual and creative nature between the human beings and other beings, that the perspective described is close to the area of personalist studies.
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