713 research outputs found
Praesphaerammina, a new genus of Cenozoic deep-water agglutinated foraminifera from the Carpathian flysch deposits
No full textThe genus Praesphaerammina Kaminski and Filipcscu is newly described based on a revision of the type species Cystammina subgaleata Vasicek 1947. The genus differs from the Holocene genus Sphaerammina Cushman 1910 emend. Loeblich and Tappan 1964, in possessing a less embracing final chamber and in its interio-areal to areal aperture that lacks any tooth. The definition of the subfamily Sphaeramminae is accordingly emended as well. The genus is common in the Eocene of the Carpathian flysch deposits, but the type species Praesphaerammina subgaleata (Vasicek 1947) is also observed in the Caribbean region and West Africa, where it ranges into the Miocene
Grigore N. Filipescu (1886-1938). Repere biografice
No full textGrigore N. Filipescu, engineer and lawyer, was a controversial and inconstant politician in Interwar Romania. He had passed through many political parties until 1929, when he founded his own political organization. He was also involved in other areas, being the president of the Romanian Telephone Company, conducting the constuctrion of the Câmpina-Constanţa oil pipeline and organizing the first international fencing contests in Romania
Grigore N. Filipescu (1886-1938): Repere biografice
No full textGrigore N. Filipescu, engineer and lawyer, was a controversial and inconstant politician in Interwar Romania. He had passed through many political parties until 1929, when he founded his
own political organization. He was also involved in other areas, being the president of the Romanian Telephone Company, conducting the construction of the Câmpina-Constanţa oil
pipeline and organizing the first international fencing contests in Romania
In memoriam: Iancu Filipescu (18.04.1948–2.08.2019)
No full textThe article is a tribute to our colleague Iancu Filipescu, significant and representative sociologist for the 70s generation, who passed away in August 2019. He was noticed for his intense activity in the fields of rural sociology, industrial sociology and sociology of organizations, being an outstanding researcher and an elite professor. We will always remember fondly his name
NICOLAE FILIPESCU ȘI CONSERVATORISMUL IDEALIST
No full textNicolae Filipescu was a conservative, action-oriented politician who pleaded for idealism in politics. His belief was that the era of liberal mimetism could only be overcome by a true idealistic reaction, which meant deeply assuming an ideal in politics, not just the option for a change in the surface of public life. He is one among the few Romanian authors who claim that politics of the idea is more important than the policy of deed, and that means a party policy that has the right philosophy and morality. However, Filipescu's idealism is vitalist, Anglo-Saxon orientated and does not deny the idea of material success, but on the contrary
A look over the microhistory: the Filipescu boyars from Drajna, Prahova county
No full textThis paperwork shows a piece of history regarding a boyar family, Filipescu, from Drajna, Prahova County. The reason of our choice was that we need to rediscover the past of our aristocrats in a region that was considered to be the attribute of the free peasants.
The aristocratic families that lived in this area, Filipescu, Balaceanu, Macovei etc. had a great influence on the inhabitants, their deeds being remembered by their vassals.
We have used in our research, instruments of oral history, such as the interview and the photography, and regarding the field of interest, this paper-work can be integrated in the area of local history. We tried to show how influential the boyars were in the community, taking into consideration both positive and negative aspects.
For this study, we have used primary sources, the manuscript of a descendant of the Filipescu family, Dumitru Kretzulescu-Warthiadi, agricultural engineer, the holder of an impressive collection of documents. We have also seen secondary sources, for example the volumes of Nicolae Iorga and Dumitru I. Brezeanu Teisani, Documents from the Teleajen Valley
Design and implementation of a capacitive leaf wetness sensor based on capacitance to digital conversion
No full textAn innovative implementation of an electronic leaf wetness sensor (LWS) is proposed. It utilizes capacitive sensing, combined with an innovative data acquisition method, which implements a capacitance-to-digital converter. The study explores the design procedure of a capacitive LWS, proposing an analytical approach and emphasizing low manufacturing costs. Since the LWS is intended for Internet of Things (IoT) applications, the paper estimates its energy consumption, introducing a boost regulator to optimize power usage, contributing to extend the battery life. The study presents simulation results and experimental validations, including an ad-hoc calibration procedure in controlled conditions. The sensors were tested in real agricultural environments over a complete vegetative season, demonstrating their capability to operate continuously without problems
Morphological and structural studies of WOxthin films deposited by laser ablation
No full textTungsten oxide is an interesting compound with many applications in gas sensors, electrochromic and photochromic devices. Thin films of tungsten oxide were obtained by pulsed laser deposition (PLD) and radio frequency assisted PLD (RF-PLD). A tungsten target was ablated in reactive oxygen atmosphere (0.01-0.05 mbar). The deposition parameters such as laser fluence, substrate temperature, radiofrequency power were varied, while different materials (Corning glass and silicon) have been used as substrates. The obtained films showed good adhesion to the substrate and uniform surface aspect, which are important properties for applications. X-ray diffraction, Auger electron, Raman spectroscopies and atomic force microscopy were used for characterization. © 2007 Elsevier B.V. All rights reserved
Advances in design and construction of leaf wetness sensors
No full textThe majority of fungal infections are caused by leaf wetness, due to excessive humidity, mist, rain or irrigation. Leaf wetness duration (LWD), the total number of hours per day in which water is present on the foliage, can be monitored through a leaf wetness sensor (LWS). In this paper, an innovative procedure to manufacture a precise, low power and low cost electronic sensor is proposed to provide a tool for agronomic exploitation. The measurement subsystem consists of a two-side capacitive leaf wetness sensor, where a water presence varies the dielectric constant of the surrounding medium. The data acquisition subsystem exploits a capacitance-to-digital converter. Experimental results in controlled and real environments confirm reliability
Nanostructured tungsten oxide using pulsed laser deposition for biosensing and environmental sensing applications
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