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1
Content available remote Suszenie izolacji transformatorów rozdzielczych z wykorzystaniem medium ciekłego
PL
Artykuł dotyczy suszenia izolacji celulozowej transformatorów rozdzielczych za pomocą estru syntetycznego. W artykule przedstawiono przyczyny i skutki obecności wody w układzie izolacyjnym transformatora. Opisano również metody wykorzystywane do suszenia transformatorów w miejscu ich zainstalowania. Przedstawiono wyniki badań, które potwierdziły możliwość wykorzystania estru syntetycznego do efektywnego suszenia izolacji celulozowej. Ponadto opisano metodę uzdatniania estru syntetycznego.
EN
The article concerns the drying of distribution transformer’s insulation using synthetic ester. In the article the causes and effects of water presence in transformer insulation were shown. The main methods used for transformer drying “in situ” were also described. The article presents the research results which confirmed the possibility of using of synthetic ester for effective drying of cellulose insulation. Moreover, the method for treatment of synthetic ester was described.
EN
An interferometric structure based on a Dual-Resonance Long-Period Grating (DRLPG) within a Fiber Loop Mirror (FLM) is presented in this paper. Its purpose is to measure the refractive index (RI) of liquid analytes. The grating is the RI sensing probe, while the FLM serves as a band-pass filter. Due to the high extinction ratio of the FLM, amplitude measurements can be obtained, allowing implementation of the differential interrogation method to establish the sensitivity of the device. The use of a polarization controller makes it possible to fine-tune the interferometric peaks with respect to the two notches of the DRLPG. Precisely aligned configuration produces a maximum sensitivity of 3871.5 dB/RIU within the RI range of 1.3333 up to 1.3419 with linear sensor response.
EN
Spectral characteristics and amplitude tunability of a long period grating with a dual- resonance inside fiber loop mirror are studied in terms of applied stress caused by elongation. Inserting the polariza-tion controller between grating and part of polarization maintaining fiber in the loop structure enables tuning of resonance and interferometric peaks. The maximum sensitivity of demonstrated sensor is of 1.943 dB/mε for the range of 1.1–4.4 mε. Combination of these two optical components allows to measure strain in a wider range comparing with sensors based on standard long period grating.
4
Content available remote Przemijanie rzeczy : krótki tekst o nieśmiertelności
PL
Problem trwania architektonicznych form jest rozważany na gruncie semiologicznym. Nieśmiertelność tych form wydaje się być możliwa do opisania (lub wyjaśnienia) jako efekt nieustannego mnożenia konotacji symbolicznych.
EN
The immortality of architectural forms is considered on semeiological ground. The forms' immortality can be described thus as a infinitive symbolical connotations' multiplication.
5
Content available remote Niekończące się miasto - proroctwa i spełnienia
PL
Na początku XX wieku suprematyści i fizycy prorokowali jak wyglądać będzie świat dzisiejszy - przedstawili wyobrażenie cywilizacji informacji. Dziś jesteśmy świadkami spełniających się dawnych proroctw - świat zmienia się w niekończące się miasto, miasto kroczące. Proroctwa w ich oryginalnych formach interpretować dziś można jako metafory współczesności.
EN
At the begining of XX century suprematists and physicists had done some predictions at the same time of how the todays world looks like. Artists and scientist imagined the civilization of information. People now are viewers of predictions' perfomance of non stop cities, walking cities, and other ideas. Some of predictions in its original form can be understood now as metaphors of today's world.
6
Content available remote Piękne rzeczy
EN
The first one who disposed the beauty was Marcel Duchamp. He put stool into art gallery. The first one who disposed the beauty in architecture was Le Corbusier. He built the most beautiful church and the most beautiful monastery in the entire world. He excluded therefore possibility of building any more beautiful buildings. The F117 fighter - masterpiece of design and technology - disposes it's beauty by itself - it drops the bomb and kills.
7
Content available remote Architektura to spełnianie marzeń. Rzecz o wyobraźni
EN
80th - the astronomical observatory of Jai Singh in Jaipur and Super-Kamiokande neutrinos detector were built because of people interest in discovering most exciting secrets of universe. The old one became to be a museum and also a sculpture, but also a matter of Julio Cortazar's book. 80th examples show how architecture can be dreams (based on great scientists' imagination) execution.
8
Content available remote Architektura, przestrzeń i estetyzacja życia
EN
Three contexts for architecture are considered there: the architecture as a part of space of art, the specific cultural context, witch can be described as "aestheticization of everyday life", and postulate of architecture to be an art. Architectural spaces and spaces of art seem to bee cohabitant. The knowledge of aestheticization rules can give some basis for conceiving the role of architecture (considered as a art) in contemporary society.
9
Content available remote Granice - architektura a kultura symboliczna
EN
It doesn’t seem to be very hazardous to claim that architecture is the science and an art „on borderline". Following the idea of Jadwiga Sławińska one can say that architecture locates itself between two spheres of culture: the symbolical culture, and the culture of being. This peculiar condition can be the reason of multiplication of architectural definitions and impossibility of precise limits of architecture as an aesthetic figure and a kind of scientific theory as well.
10
Content available remote Dydaktyczne aspekty stosowania analogii w nauczaniu fizyki
EN
Modern cognitive psychology treats analogy inference as a fundamental component of human thinking and a basis for other cognitive methods. Using analogy in teaching physics is, however, rare. Most teachers use this method only occasionally because they do not appreciate the educative function of analogy or are not prepared to use it.
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