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1
100%
EN
A new method of detecting deadlocks and traps in Petri nets is presented. Deadlocks and traps in Petri nets can be represented by the roots of special equations in CNF form. Such equations can be solved by using the search tree algorithm proposed by Thelen. In order to decrease the tree size and to accelerate the computations, some heuristics for Thelen's method are presented.
2
Content available Provocateurs of Experiences, Practitioners of Traps
100%
EN
This article is a self-analytical description of the work of the Laboratorium Teatralno-Społeczne (Social Theatre Laboratory), an artistic collective based in Warsaw. It mainly focuses on the Theatre’s audience/participant involvement strategies and their ways of constructing theatre experiences and telling stories in a participatory style. The author discusses examples of performances, performative actions, ways of creating the dramaturgy and the type of relationships that performers establish with the audience in the work of the Laboratorium Teatralno-Społeczne collective. At the same time, she examines what kinds of challenges are faced by groups and artists who declare their willingness to create participatory art. She seeks to propose interpretative notions for naming and describing these challenges.
3
Content available Prowokatorzy doświadczeń, praktyczki pułapek
100%
EN
The article is a self-analytical description of the activities of the Theatre and Social Laboratory (TSL) – an artistic collective operating in Warsaw. The main subjects are strategies for engaging audiences / participants, as well as ways of constructing theatrical experiences, and building and telling stories in the participatory style. The author discusses examples of performances, performative actions, ways of creating dramaturgy and the type of relationships that performers establish with the audience in the work of TSL collective. At the same time, she wonders what kinds of challenges are faced by teams or artists who declare their willingness to create participatory art. She tries to propose interpretation categories for naming and describing these challenges.
EN
The fishing gear used by the majority of fishermen on Madasari Beach, Pangandaran Regency, Indonesia is the krendet as known as fishing traps. Krendet is a passive fishing gear and is classified as trap net a selective because the lobster caught is legal size of lobster, which is above 200 grams. Krendet has a construction of a frame, net, bait line, towing line and ballast. One of the commodities is lobster (Panulirus sp.). Lobster catching permits have been regulated in the Minister of Maritime Affairs and Fisheries Regulation No. 17 of 2021, its stated regarding permitted lobster catching with carapace lengths above 6 cm or weight above 150 grams per head for sand lobster (Panulirus homarus). This study aims to determine the construction of the fishing gear krendet used by the fishermen of Madasari Beach, Pangandaran Regency. Based on observations that the webbing is made of PA monofilament with 3.5 inches mesh size. The Frame is made of iron in the form of a circle with a diameter of ±60 cm. The ballast used was made of stone with a weight of ±1.5 kg. The traps (krendet) also consist towing rope and a float rope. The tow rope is made of monofilament with a size of 3-4 mm diameters and a length of 15-30 m, while the float rope is made of polyethylene (PE) with a size of 1.5 mm and a length of about ±60 cm.
XX
This paper discusses transfer cell wall deposition and architecture in various trap hairs of the carnivorous plant Utricularia intermedia. Scanning electron microscopy showed that the middle cells of both internal hairs and pavement epithelium hairs have reticulate-type wall ingrowths. The wall ingrowths of the middle cell of both quadrifids and bifids are very well developed. However, in middle cells of pavement epithelium hairs the level of development of wall ingrowths is not uniform. The presence of ruptured cuticles and wall ingrowths in these hairs suggests that water is transported by the pavement epithelium hairs from the trap to the external environment.
6
Content available remote Oscillator rule of the trap activation energies in NaCl crystals
86%
Open Physics
|
2003
|
tom 1
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nr 2
307-331
EN
The energy spectra of traps in NaCl crystals have been studied in detail by the method of thermoluminescence. Crystals of NaCl were undoped but treated thermally in different ways. The activation energies of traps form a single oscillator series, E n=ℏωTL(n+1/2), ℏωTL=903 cm-1. Contrary to other previously studied crystals with complex lattices, the corresponding line ℏωRam=ℏωTL was not found in Raman spectra of NaCl. It is assumed that the oscillator rule is governed by the polaron nature of traps. The trap activation energy is determined by the vibration level from which the transition of the charge carrier to the excited luminescence centre is made possible and depends on the distance between these centres.
EN
The purpose of the research was the comparison of capturing effectiveness of large pine weevils with different types of traps. The research was conducted in the forest of Oborniki forest division (RDLP Poznań). It has been shown that most large pine weevils are captured by the IBL4 type trap. The least effective trap turned out to be the trap log.
PL
Celem badań było porównanie efektywności odłowu chrząszczy szeliniaka sosnowca przez pułapki różnego typu. Badania zostały wykonane na terenie Nadleśnictwa Oborniki (Regionalna Dyrekcja Lasów Państwowych w Poznaniu). Wykazano, iż zdecydowanie najwięcej szeliniaków odławiała pułapka typu IBL 4 z Hylodorem. Z kolei wałek pułapkowy wyróżniał się zdecydowanie najmniejszą łownością.
EN
Attempts to obtain a micro-dispersion-based formulation insecticide were made. An aqueous micro-suspension of polystyrene had been used to trap pyrethroid lambda-cyhalothrin. A method of introducing the active substance into the polymer was developed. The biological efficiency of micro-emulsion of lambda-cyhalothrin with polystyrene was investigated.
9
72%
EN
A new method of detecting deadlocks and traps in Petri nets is presented. Deadlocks and traps in Petri nets can be represented by the roots of special equations in CNF form. Such equations can be solved by using the search tree algorithm proposed by Thelen. In order to decrease the tree size and to accelerate the computations, some heuristics for Thelen's method are presented.
EN
The informative power of species surrogacy with respect to ecological processes and anthropogenic influences has been rarely studied. Thus, five datasets on carabid beetles collected using pitfall traps were analysed in order to study the impact of changing the taxonomic resolution from species to genus level on their indicatory information: a dataset of eight study sites in differently managed habitats sampled in 2013, a dataset tracing successional changes from 2004 to 2013 in a naturally regenerated pine forest, a dataset of three sites on a heap of power plant ashes and a dataset of four sites on a colliery spoil heap, both sampled from 2004 to 2011, and a dataset of six sites along the roadside of a highway being renovated in 2009, sampled in 2008 and from 2010 to 2012. The datasets were analysed by studying correlations of species numbers with genus numbers and species based Shannon diversity with genus based Shannon diversity, testing compliance between species based and genera based similarity matrices, and comparing the information provided by ordination diagrams based on species information or genus information respectively. The results indicate that at least in our study a substantial amount of information provided by species data is still contained in the genus data, but information about fine graded differences between study sites gets lost. We conclude that, even if carabid genus information might be useful in some cases (e.g. preliminary biodiversity assessment), the limitation to higher taxonomic levels like the genus level has to be done with caution.
EN
The study presents the results of the research on dispensers used to lure cherry fruit flies in biological tests together with yellow sticky-coated visual traps. The field tests showed that yellow Rebell traps with the dispenser containing the food attractant based on the blend of ammonium acetate and ammonium carbonate as well as putrescine (added in a separate container) were the most suitable in control of population of Rhagoletis cerasi. Such a combined trap was effective in mass trapping of the flies R. cerasi when used one per tree in the sweet cherry orchard with not very high trees (up to 3 m).
PL
W pracy przedstawiono wyniki badań nad dyspenserami wabiącymi muchówki nasionnicy trześniówki użyte w testach biologicznych razem z żółtymi pułapkami lepowymi. Badania polowe wykazały, że dyspenser z atraktantem opartym na mieszaninie octanu amonu z węglanem amonowym oraz dodaną w oddzielnym pojemniku putrescyną, umieszczony w żółtej pułapce typu Rebell, posiada wysoką skuteczność w odławianiu Rhagoletis cerasi. Użycie takiej jednej kombinowanej pułapki na drzewo w sadzie czereśniowym z drzewami niewysokimi (do 3 m wys.), potwierdziło jej dobrą skuteczność w masowym odłowie szkodnika.
PL
Celem referatu jest przedstawienie roli, zadań oraz aspektów budowy i przygotowania pułapek sieciowych zwanych Honeypotami. Przedstawione zostanie również zastosowanie Honeynetów (grup pułapek) do zbierania danych i materiału badawczego na temat działalności napastników oraz podejmowanych przez nich działań.
EN
Article describes the role, tasks and aspects of designing and preparing network traps known as Honeypots. Article contains also a basic describtion of HoneyNet (group of HoneyPots) as a complex solution for collecting and gathering valuable data for analysis of attackers activities and mehods.
EN
The banana root borer Cosmopolites sordidus (Coleoptera: Curculionidae) is native to Malaysia and Indonesia but is found in nearly all banana-growing areas of the world. Studies were conducted to determine the pheromone trap efficacy, effect of shade on trap catches and to monitor the population of C. sordidus using pheromones in Guam. In Guam, pheromone traps were used to monitor the population level of C. sordidus. Before monitoring began, two basic studies were carried out, which established that pheromone-baited ramp traps positioned in the shade of the banana crop canopy caught significantly more adults than those placed in sunlight and that ramp traps baited with pheromone lures caught significantly more adults than did identical traps without pheromone lures. Ramp traps baited with pheromone lures were set up at each of 10 locations throughout the island in November 2005. Weekly counts were made of the borers caught by the pheromone traps. The data indicated higher population levels (>10 per week) in the northern region and low (<5 per week) to medium level (5-10 week) populations in the southern part of the island. These differences among sites were highly significant. Linear and quadratic effects of rainfall on the number of borers captured were statistically significant, but according to quadratic regression models, the significance was due to differences at just one site.
PL
Chrząszcz Cosmopolides sorididus (Koleoptera: Curculionidae) jest rodzimym gatunkiem szkodnika występującym w Malezji i Indonezji, chociaż spotykany jest niemal we wszystkich rejonach uprawy drzew bananowych. Celem prezentowanych badań było określenie skuteczności pułapek feromonowych, wpływu zacienienia na liczebność odławianych dojrzałych osobników oraz monitoring populacji chrząszcza C. soridus z zastosowaniem wabiących pułapek feromonowych na wyspie Guam. Przed przystąpieniem do monitoringu przeprowadzono badania podstawowe, z których wynikało, że wabiące pułapki feromonowi usytuowane w cieniu korony drzewa bananowego odławiały znacznie więcej dorosłych osobników w porównaniu do takich samych pułapek wystawionych na ekspozycję słoneczną, a uzyskane różnice były istotne. Badania podstawowe potwierdziły też, że zastosowanie feromonu jako czynnika wabiącego owady miało istotny wpływ na liczebność odławianych chrząszczy w porównaniu z kontrolą (pułapki bez wabiących przynęt). Pułapki wabiące umiejscowiono w 10 punktach na terenie całej wyspy listopadzie 2005. Każdego tygodnia określano liczebność chrząszczy. Wyniki badań wykazały wyższy poziom populacji chrząszczy (powyżej 10 owadów tygodniowo) w północnej części wyspy oraz od niskiego (poniżej 5) do stanu średniego (5-10), w jej południowej części. Uzyskane różnice w poziomach populacji były wysoce istotne. Współczynniki regresji liniowej i kwadratowej wpływu poziomu opadów na liczebność populacji były też statystycznie istotne.
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