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1
artículo
In vegetables, as well as in other crops, insect pests cause yield losses, therefore, in the search to solve this problem and as part of an integrated pest management, this research aimed to evaluate trapping efficiency of sticky traps for phytophagous insects present in leafy vegetables. For this, traps of different colors were installed in chard crops (Beta vulgaris), cabbage (Brassica oleracea var. capitata), lettuce (Lactuca sativa) and coriander (Coriandrium sativum). The most common insects were thrips (Frankliniella sp.), Cicadelline leafhoppers (Borongonalia sp.), aphids (Myzus persicae and Myzus sp.), psyllid (Russelliana sp.) and root fly (Diptera-Anthomiidae). Light blue and white sticky traps, show capture efficiency for thrips in 30% and 28% respectively; adults of root fly were captured with efficiency of 23% of all insects on white traps and 17% on light blue traps. Yellow...
2
artículo
In vegetables, as well as in other crops, insect pests cause yield losses, therefore, in the search to solve this problem and as part of an integrated pest management, this research aimed to evaluate trapping efficiency of sticky traps for phytophagous insects present in leafy vegetables. For this, traps of different colors were installed in chard crops (Beta vulgaris), cabbage (Brassica oleracea var. capitata), lettuce (Lactuca sativa) and coriander (Coriandrium sativum). The most common insects were thrips (Frankliniella sp.), Cicadelline leafhoppers (Borongonalia sp.), aphids (Myzus persicae and Myzus sp.), psyllid (Russelliana sp.) and root fly (Diptera-Anthomiidae). Light blue and white sticky traps, show capture efficiency for thrips in 30% and 28% respectively; adults of root fly were captured with efficiency of 23% of all insects on white traps and 17% on light blue traps. Yellow...
3
artículo
The State delegates the provision of an important number of services of general interest for society, and the State delegates them to private economic operators. However, in these circumstances the need for regulation in order to achieve allocative efficiency underlies as a duty of the State.In this article, the author presents how the criminal offence of collusion is a way of regulatory capture, and how it brings along negative consequences for the social welfare and progress. The author also reaches a conclusion concerning which is the legal right protected with the aforementioned crime.
4
artículo
Publicado 2024
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Root-knot nematodes are detrimental to agricultural crops and hard to control once established in the field. The objective of this research was to evaluate the growth, sporulation, and capture in vitro of asexual fungi against Meloidogyne sp. Molecular identification of the asexual fungi included in the study was performed by sequencing the ITS1 region of rDNA. The growth and sporulation of Arthrobotrys sp., Dactylellina sp. and Dactylaria sp. was evaluated in five culture media and two types of substrates (rice husks and ground corn). For the evaluation of attraction and capture of the nematodes, second stage juveniles of Meloidogyne sp. All the evaluated fungal isolates grew and sporulated in the culture media and substrates. The fungi Arthrobotrys sp. (C19-1-1) and Dactylellina sp. (C19-48) showed greater effectiveness in attracting and capturing Meloidogyne sp. The evaluated fungal i...
5
artículo
Publicado 2025
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El artículo analiza el mediometraje At Home (Gucci, 2020) —primer capítulo de Ouverture of Something That Never Ended— desde un enfoque sociomaterial y posthumano para analizar cómo el fashion film articula dispositivos de control y estetiza el cuerpo. Metodológicamente, combina cartografía de actores (humanos y no humanos), seguimiento de agencias y construcción de ensamblajes, integrando teoría del actor-red con materialidad agencial (Barad, 2007; Bennett, 2022). El corpus considera como unidad de análisis, a la “secuencia audiovisual” atendiendo a dimensiones técnico-formales (cámara, luz, color, sonido, vestuario) y sociomateriales (espacios, objetos, pantallas). Los resultados muestran: (1) domesticación del hogar como interfaz de desfile; (2) capturas de disidencia corporal mediante una estética luminosa que reencuadra la diferencia como valor de marca; (3) ce...
6
artículo
Publicado 2024
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Spectral signatures are graphical representations that relate the electromagnetic spectrum to the wave response or amplitude, resulting from the interaction of objects and light. Each soil cover, due to the different composition of materials, generates a particular spectral response. Therefore, the automated classification of coverages, whether object-oriented or pixel-oriented, is based on the spectral response of the different segments or pixels, respectively. Spectral libraries are databases where these spectral responses are stored so that researchers or organizations involved in the collection, processing and analysis of these samples can work collaboratively, avoiding redundancy in the investigations and optimizing time in the development of the same. However, there is currently no defined metadata model to ensure interoperability between researchers or organisations that generate...
7
tesis doctoral
Diese Arbeit konzentrierte sich auf die Untersuchung der Wirbel, die durch die epidermalen Flimmerhärchen der Koralle erzeugt werden. Es wird gezeigt, dass die Fähigkeit dieser Wirbel, Wassermassen von der Oberfläche des Gewebes zur Wassersäule und umgekehrt zu bewegen, mehrere Aspekte des Korallenholobionten beeinflusst. Diese Wirbel bieten den Korallen ein Werkzeug, um die Toxizität zu vermeiden, die mit der Ansammlung von Sauerstoff einhergeht, und helfen ihr gleichzeitig, die Barriere zu durchbrechen, die eine diffusionskontrollierte Grenzschicht auferlegt. Diese Strömungen transportieren auch kleine Partikel, was die Fähigkeit der Korallen beeinträchtigt, sich von Elementen wie Bakterien und Flagellaten zu ernähren. Diese Arbeit trägt zum Verständnis kleinräumiger Variationen in der physikalisch-chemischen und hydrodynamischen Mikroumgebung von Korallen bei, die durch di...
8
artículo
Publicado 2003
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Objective: To determine the prevalence of human fasciolosis in an endemic area by means of an enzyme-linked immunosorbent assay (ELISA) using cystatin as a capture agent for the detection of specific antibodies to Fasciola hepatica cysteine proteinases. Material and methods: An ELISA plate was sensitized with cystatin, incubated with excretory-secretory products of adult flukes, and followed by standard ELISA procedures. Clinical applicability of the cystatin capture ELISA for the immunodiagnosis of fasciolosis was tested with 200 serum samples of children and adults from an endemic area in Chupaca province, Junin department. Results: Serum samples from the endemic area tested by cystatin capture ELISA showed 27/ 200 (13,5%) of positive cases. Conclusions: Fasciolosis remains a major health problem at Chupaca province, Junin department.
9
artículo
Publicado 2019
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Multiple studies address the state in Colombia as a special case in Latin America, among many reasons, due to the particular coexistence of a long and apparently stable democracy accompany with prolonged periods of armed violence and regional marginality. For the Colombian case, Luis Jorge Garay has been a key author in the use of the notion of Capture of the State while others, like Fernán González, propose contrary readings that try to approach the question from concepts such as differentiated Presence of the State and hybrid Governance. The present research gathers these discussions, opting preferably for the second author in mention, to give a general perspective of the hybridity and the own forms of governability in regions where the state is, first of all, another player in the constant disputes of power.As a basis for these discussions, the research takes Catatumbo as a case, a ...
10
artículo
Publicado 2025
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The Strategic Research Plan (PEI) is an essential tool, which defines roles and sets of actions that any Academic Institution must carry out. One of the priorities for academic organizations and especially for universities, is the formation of human capital. That training must develop the research and innovation capabilities of its graduates, to create, generate ventures, transfer and apply new knowledge. Various techniques can be used to prepare the PEI; however, Quality Function Deployment (QFD) includes the voice of the customer and is very effective for developing a PEI. With the use of the QFD it was obtained: the lines of investigation, the processes of planning, design, monitoring and control based on the requirements of CONCYTEC (the voice of the client). Finally, a PEI aligned with the CONCYTEC requirements is justified, thus increasing the possibilities of being able to obtain ...
11
artículo
Publicado 2020
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The evaluation of the environmental carbon capture service was carried out in the Centro Poblado Alto Peru, Tacna Region, from September to December 2019. Work began with collecting information from the study area, including downloading images from the Landsat 8 satellite, in order to calculate the Normalized Difference Vegetation Index (NDVI) and thus divide the study area according to the conservation status of plant cover. Subsequently, the samples were collected in the field, following the methodology of the World Agroforestry Centre (2009) collecting three types of samples referred to as; plant cover, peat/necromasse and organic soil in order to calculate the total organic carbon for each sample type. Finally, laboratory analyses were used for the determination of the carbon fraction and apparent density of the soil, the data of which were used for the total carbon stock. The result...
12
artículo
The objective of this research was to determine the relationship between tree cover and carbone dioxide capture in urban parks in Northern Lima. For its development, a research with a quantitative approach and correlational type was designed. The methodology used consisted of field work and remote work. Through the field work, information was obtained about the coverage and tree structure of the parks and the remote work allowed to determine the volumes of CO2 captured by the parks. This process was carried out through the Software i- Tree Canopy. The research was carried out in northern Lima, specifically in the districts of Los Olivos, Comas, San Martín de Porres and Independencia. The correlation analysis was carried out using the Pearson coefficient. The results obtained, 0.994 Pearson correlation, show a particularly good positive relationship between tree cover and carbon capture ...
13
artículo
Publicado 2019
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The present investigation was as objective to determine the influence on the actions of police personnel in the execution of the operations of identity control with the inclusion of the purpose" location of persons with arrest warrant "of article 205 of the Code of Criminal Procedure. Of applied type, descriptive-correlational level, non-experimental descriptive, transverse, correlational design. The population was made up of 110 police personnel and the sample conformed by the same population. As a result, the actions of police personnel have a positive influence on the execution of identity control operations with the inclusion of the purpose "location of persons with arrest warrants" in article 205 of the Code of Criminal Procedure, since 87% of The police officers believe that the actions are efficient, 11% believe that they are regularly efficient and 2% believe that they are defici...
14
artículo
Publicado 1992
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In order to evaluate the effects of the partial removal of the Aotus vociferan and A. nancymae populations, we made captures in areas corresponding to the lowland forests of the Napo and Amazon river basins. In the first capture of A. vociferans executed in 1986 in the Tamboryacu River, 35.5% of the population was removed and in 1989 in the Santa Maria River 55% of the population was removed. During the 1991 evaluation, in the Tamboryacu River the increase of the remaining population reached 144.0% and 93.0% of the 1986 pre-capture level, while in the Santa María River, the increase reached 12.5% of the remaining population and 50% of the 1989 pre-capture level. In reference to A. nancymae, during the first capture executed in 1989 in the Tahuayo river, 50.0% of the population was removed and in the Yanayacu stream, 59.0% of the population was removed. Two years later, the increase in t...
15
artículo
Publicado 1992
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In order to evaluate the effects of the partial removal of the Aotus vociferan and A. nancymae populations, we made captures in areas corresponding to the lowland forests of the Napo and Amazon river basins. In the first capture of A. vociferans executed in 1986 in the Tamboryacu River, 35.5% of the population was removed and in 1989 in the Santa Maria River 55% of the population was removed. During the 1991 evaluation, in the Tamboryacu River the increase of the remaining population reached 144.0% and 93.0% of the 1986 pre-capture level, while in the Santa María River, the increase reached 12.5% of the remaining population and 50% of the 1989 pre-capture level. In reference to A. nancymae, during the first capture executed in 1989 in the Tahuayo river, 50.0% of the population was removed and in the Yanayacu stream, 59.0% of the population was removed. Two years later, the increase in t...
16
artículo
Publicado 2013
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This article deals with main aspects of a novel technique for carbon dioxide capture and storage released by large combustion plants. Since this novel technique has become essential for reducing greenhouse gas emissions, it has been regulated by the European Union through the Directive number 2009/31. Therefore, acknowledging relevant legal aspects for regulation, suchas: mandatory, exploration permits, storage among others, the focus has been pointed out on responsibilities and guarantees regime.
17
artículo
Publicado 2018
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In the following study, allometric equations have been generated to estimate the aerial forest biomass of two species: Polylepis incana and Polylepis sericea, from an Andean natural forest located in the village of Poccrac, in the heights of Ticapampa, Ancash.The allometric equations for both species have been designed from 15 data, relating the biomass (M) as a dependent variable with the diameter of breast height as an independent variable (DAP). The DAP measurement of the selected Polylepis trees are within the range of 5 cm to 20 cm. In the regression analysis performed with the statistical program SPSS V 22.0, a correlation coefficient of r2 = 0.929 is found for the Polylepis incana species and a r2 = 0.94 for the Polylepis sericea species, which indicates a high relation between the biomass variables and DAP, showing good goodness of fit for the parameters that constitute the allom...
18
artículo
Publicado 2018
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In the following study, allometric equations have been generated to estimate the aerial forest biomass of two species: Polylepis incana and Polylepis sericea, from an Andean natural forest located in the village of Poccrac, in the heights of Ticapampa, Ancash.The allometric equations for both species have been designed from 15 data, relating the biomass (M) as a dependent variable with the diameter of breast height as an independent variable (DAP). The DAP measurement of the selected Polylepis trees are within the range of 5 cm to 20 cm. In the regression analysis performed with the statistical program SPSS V 22.0, a correlation coefficient of r2 = 0.929 is found for the Polylepis incana species and a r2 = 0.94 for the Polylepis sericea species, which indicates a high relation between the biomass variables and DAP, showing good goodness of fit for the parameters that constitute the allom...
19
artículo
Publicado 2018
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In the following study, allometric equations have been generated to estimate the aerial forest biomass of two species: Polylepis incana and Polylepis sericea, from an Andean natural forest located in the village of Poccrac, in the heights of Ticapampa, Ancash.The allometric equations for both species have been designed from 15 data, relating the biomass (M) as a dependent variable with the diameter of breast height as an independent variable (DAP). The DAP measurement of the selected Polylepis trees are within the range of 5 cm to 20 cm. In the regression analysis performed with the statistical program SPSS V 22.0, a correlation coefficient of r2 = 0.929 is found for the Polylepis incana species and a r2 = 0.94 for the Polylepis sericea species, which indicates a high relation between the biomass variables and DAP, showing good goodness of fit for the parameters that constitute the allom...
20
artículo
Publicado 2019
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In recent years, the car park in Tacna’ city has increased, as well as the emission of polluting gases such as carbon dioxide (CO2) generated by different types of vehicles, mainly those of public transport in the city of Tacna. The research work was aimed at determining the carbon capture as an environmental service through the palm trees that are in the Bolognesi avenue, Industrial avenue and surroundings. For this purpose, the document Identification of existing methodologies to determine carbon stock in forest ecosystems of the Environment’s Ministry (MINAM) was used. Carbon estimation in tree biomass was chosen using the non - destructive - direct method, which consists of estimating of the biomass with dasometric data which were taken in the field. The study was carried out between June and October of 2016, in which two strata of palm trees were determined that are exposed to a...
