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Experimental study of TJ-1 plasma using scattering and radiation emission techniques; Analisis experimental del plasma TJ-1 con tecnicas de scattering y. El conducto biliar ó colédoco y el conducto pancreático menor se abren en el duodeno a .. que forman un verdadero cierre del canal cervical, haciéndolo sinuoso. .. fibrosa, el ligamento arterioso remanente del conducto arterioso del feto. CONDUCTO ARTERIOSO PERSISTENTE. C a p i t u . Mucha. ‘ Et coRRzoN: REcoRDAToRro Y FUNCIONAL ANATOMICO .. Cierre Mitral.

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Experimental study of TJ – 1 plasma using scattering and radiation emission techniques; Analisis experimental del plasma TJ – 1 con tecnicas de scattering y emision de radiacion. The Thomson scattering system of TJ – 1 is described in detail. The radial profiles of Te and ne obtained in TJ – 1 discharges are presented.

This data make possible to deduce characteristic parameters of the plasma confinement in this machine, as energy confinement times, Zeff B. Using also radiation measurements global and in the visible range we obtained the particle confinement time and Zeff without non experimental assumptions.

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Techniques for contact and contact with friction problems; Tecnicas para problemas de contacto y contacto con friccion. Different numerical techniques are presented based in the finite element method to obtain numerical solutions to contact and contact with friction problems between solid bodies, and compared between each other. Aquaculture investigations with nuclear energy techniques; Investigaciones acuicolas con tecnicas de energia nuclear. Se identifican varias areas de investigacion que pueden cierrs desarrolladas, utilizando las tecnologias nucleares, como por ejemplo en la reproduccion, nutricion, diagnostico y control de enfermedades, monitoreo ambiental y certificacion de la calidad de productos.

En lo concerniente a nuestra acuicultura, se requieren investigaciones que ameritan el uso de estas tecnicas. Improvement of Leukemia diagnose with molecular techniques; Mejoran diagnostico de leucemias con tecnicas moleculares. The objective of this study was to contribute with new techniques to the clinical diagnosis and to the monitoring of mycloid chronic leukemias in Costa Rica. The same one achieved to determine that is viable to apply radioactive and non reactive methodologies, for the molecular detection of the Philadelphia chromosome.

It also found that the application of techniques of cellular biology, helps to classify better the mycloide leukemias and the chronic mycloproliferatives and miclodisplaced disorders. Grainger [Spanish] El objetivode este estudio fue el de aportar nuevas tecnicas al diagnostico clinico y monitoreo de anatomicco leucemias micloides cronicas en Costa Rica. El mismo logro determinar que es viable aplicar ceirre radioactivas y no radioactivas, para la deteccion molecular del cromosoma Filadelfia.

Tambien encontro que la aplicacion de tecnicas de biologia celular, ayudan a clasificar mejor las leucemias mieloides y los desordenes cronicos micloproliferativos y myclodisplacicos. A synchronization system to digitalize TJ – 1 Tokamak data. At TJ – 1 Tokamak signals are stored on a channel magnetic memory. In this report, a system to address those channels and synchronize readout is presented.

Theoretical provisions for the discharge at TJ – 1 Preliminary study. Finally comparisons with alternative models have been accomplished. Theoretical provisions for the discharge at TJ – 1 Preliminary study ; Previsiones teoricas para la descarga del TJ – 1 Estudio preliminar.

Experimental study of TJ – 1 plasma using scattering and radiation emission techniques. Study of TJ – 1 Tokamak plasmas with Thomson scattering and radiation diagnostics. The radial profiles of T e and n e obtained in TJ – 1 discharges are presented. This data makes possible to deduce characteristic parameters of the plasma confinement in this machine, as energy ddel times, Z eff B.

Using also radiation measurements global and in the visible range we obtained the particle confinement time and Z eff without non experimental assumptions. Microcomputer based system to control the load of a capacitor array in the TJ – 1 Tokamak; Sistema de control de carga de condensadores del TJ – 1. The total capacity of this array is 8. This work describes a computer system based on the Motorola M microprocessor which controls the load of the capacitor set-and stablishes the conditions for the reactor trigger.

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Microcomputer based system to control the load of a capacitor dek in the TJ – 1 Tokamak. Sistema de control de carga de condensadores del TJ – 1. The power to create the magnetic fields in the TJ – 1 Tokamak is provides by an array of 16 capacitor sets. This work describes a computer system based on the Motorola M micro- processor which controls the load of the capacitor set and stablished the conditions for the reactor trigger.

Electron temperature and density profiles measurement in the TJ – anatomivo tokamak by Thomson scattering. Electron temperature and density profiles of ohmically heated hydrogen plasmas in the TJ – 1 tokamak have been measured by Thomson scattering.

The temperature profile peaks sharply in the central region while the density profile is very flat.

Temperature values between and eV have been measured for densities in the range of 5. Parameters characterizing TJ – 1 plasma, such as confinement times Z effhave been deduced from experimental data. Energy confinement times are compared with experimental scaling laws.

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Plasma density determination by microwave interferometry. The 2 mm interferometer of the TJ – 1 tokamak.

In this paper a description is given of the microwave interferometer used for measuring the plasma electronic density in the TJ – 1 Tokamak of Fusion Division of JEN. The principles of the electronic density measurement conducot discussed in detail, as well as those concerning the determination of density profiles from experimental data.

A description of the interferometer used in the TJ – 1 Tokamak is given, together with a detailed analysis of the circuits which constitute the measuring chain. The working principles of the klystron reflex and hybrid rings are also presented. The principles of the electronic density measurement are discussed in detail, as well as those concerning the determination arteiroso density pro files from experimental data.

Microwave reflectrometry for electron density measurements in the TJ – 1 tokamak plasma. A study about microwave reflectometry to measure the outside profile of the electron plasma density on tokamak TJ – 1 is presented. It is also presented the condition of applicability of this method after the characteristic parameters of the plasma and its resolution.

The simulation of the plasma in laboratory by means of a metallic mirror causes the whole characterization of the reflectometer. This work describes a computer system based on the Motorola M microprocessor which controls the load of the capacitor set-and establishes the conditions for the reactor trigger. The production of a high efficiency microbial flocculant MBF by Proteus mirabilis TJ – 1 using compound organic wastewater was investigated.

To cut down the cost of the MBF production, several nutritive organic wastewaters were selected to replace glucose and peptone as the carbon source and the nitrogen source in the optimized medium of strain TJ – 1respectively. The compound wastewater of the milk candy and the soybean milk was found to be good carbon source and nitrogen source for this strain to produce MBF. The cost-effective culture medium consists of per liter: The economic cost for the MBF production can be cut down over a half by using the developed culture medium.

Furthermore, the utilization of the two wastewaters in the preparation of culture medium of strain TJ – 1 can not only save their big treatment cost, but also realize their resource reuse. The experimental system, based on a one meter monochromator, has been absolutely calibrated using a tungsten-halogen lamp. The calibration procedures and the absolute spectral sensitivity are presented as well as its dependence with the polarization.

A simplified spectroscopic model of the radiation emitted by the intrinsic plasma impurities C, 0. A one dimensional model of the temporal evolution of various ionization stages in coronal equilibrium is used to predict the electron temperature and impurity concentration.

This model has been applied to experimental data from several Tokamaks. El interferometro de 2 mm del Tokamak TJ – 1. A novel biosorbent for dye removal: This paper deals with the extracellular polymeric substance EPS of Proteus mirabilis TJ – 1 used as a novel biosorbent to remove dye from aqueous solution in batch systems. As a widely used and hazardous dye, basic blue 54 BB54 was chosen as the model dye to examine the adsorption performance of the EPS.

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The effects of pH, initial dye concentration, contact time and temperature on the sorption of BB54 to the EPS were examined. Kinetic studies suggested that the sorption followed the internal transport mechanism. According to the Langmuir model, the maximum BB54 uptake of 2. Chemical analysis of the EPS indicated the presence of protein Scanning electron microscopy SEM images showed that the EPS with a crystal-linear structure was whole enwrapped by adsorbed dye molecules.

FTIR spectrum result revealed the presence of adsorbing groups such as carboxyl, hydroxyl and amino groups in the EPS. High-molecular weight of the EPS with more binding-sites and stronger van der Waals forces together with its specific construct leads to the excellent performance of dye adsorption.

The EPS shows potential board application as a biosorbent for both environmental protection and dye recovery. Continuo MCCdebido a las prestaciones que este convertidor ofrece [11]. Cabe mencionar que en esta etapa de CFP se llevo a cabo un analisis comparativo en forma practica, en la que tambien se probaron dos topologias mas que fueron el convertidor Sepic y Cuk en modo de control seguidor de tension. Estas dos topologias fueron desarrolladas de manera independiente a este proyecto de tesis y no fueron implementadas al balastro como etapa de correccion activa del FP.

La utilizacion de balastros electronicos en alta frecuencia dentro del rango de 20 a 50 KHz [6,7], hace que se presenten menores perdidas de potencia y favorece los procesos fisicos de la descarga seccion 1. Analytic techniques to quantify Tetrachlorohydroquinone and Chloranil; Tecnicas analiticas para cuantificar Tetraclorohidroquinona y Cloranilo. Tetrachlorohydroquinone TCHQ was determined by two methods: Se concluyo que el metodo potenciometrico es el mejor, ya que tiene un coeficiente de variacion CV de 0.

Esta tecnica presenta un coeficiente de variacion CV de 0. Se realizaron pruebas de hipotesis para verificar la exactitud de los metodos elegidos. Determinacion del N y P en abonos organicos mediante la tecnica del elemento faltante y un bioensayo microbiano.

Directory of Open Access Journals Sweden. Full Text Available Mediante la tecnica del elemento faltante en ferinvernadero y el uso de un bioensayo microbiano se determin6 la disponibilidad de N y P en 6 sus- greenhoutratos: En ambos bioensayos y para cada sustrato se realiz6 un experimento factorial 2×2 fertiliza- ci6n con P y N; las combinaciones resultantes fue- ron: En el bioensa- yo microbiano se utiliz6 un diseno de bloques al azar con 6 repeticiones y se midi6 el crecimiento microde la biomasa microbiana nativa BM 2 dias des- pues de aplicar el tratamiento e incubar con gluco- sa.

En la prueba de invernadero se utiliz6 un dise- no completamente al azar con 4 repeticiones, se utiliz6 sorgo Sorghum vulgare como planta indi- cadora. Se midi6 el peso seco de la parte aerea de lasplantas a los 34 dias de la siembra PS y el con – tenido foliar de nutrimentos. Ambos bioensayos in- sordicaron respuesta del suelo a la aplicaci6n de P y N. CM no respondi6 a ningun tratamien- to qufmico, mientras que en mezcla con el C 0 el B respondi6 a la aplicaci6n de N pero no al P.

Con el Vola Br se obtuvo las menores respuestas de las variables y hubo respuesta ala adici6n de P y N.

La tecnica del elemento faltante de invernadero. L’elettronica nella tecnica aerospaziale. Full Text Available L’elettronica reca un contributo essenziale alla tecnica aerospaziale in ogni fase di qualsiasi sua realizzazione. Nel volo arterooso la guida e la stabilizzazione si basano sull’uso di sistemi elettronici che sono anche impiegati largamente nella essenziale fase di preparazione al volo.