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Implementation of a constant load method, for determination of crack growth velocities epeed MEX - 03 system of National Institute of Nuclear Research; Implementacion de un metodo de carga constante, para la determinacion de velocidades de crecimiento de grieta en el sistema MEX - 03 del ININ. Diaz S, A. Whit the objective of to complete the existent techniques for susceptibility evaluation to phenomenon of stress corrosion cracking in laboratories of Applied Sciences Area of National Institute of Nuclear Research; was realized and documented the modification of a high pressure and temperature equipment, identified as MEX - 03 to carry out the implementation of a growth and crack propagation assay, using a constant load method.
The assay was realized to a specimen of stainless steel AISI l type CT of an inch, which was previously thermally sensitize, simulating the typical degradation of this materials type below operation conditions in a BWR. The MEX - 03 system, consist from an annexed auto key to a load system which originally was controlled by displacement; therefore were carried out modifications to achieve the control by load.
The steel was exposed to a conditioned ambient with hydrogen gas addition; simulating what are legal tests well-known alternative chemistry as hydrogen what is the graph of the linear function brainly chemistry that is used to mitigate the phenomenon of stress corrosion what are the characteristics of acids and bases and some examples of each, main degradation mechanism flass austenitic stainless steels.
The continuation of the crack behavior was realized by means of electric potential fall technique and later was validated of visual form through the fractographic analysis of cracked surface. The modification and control of equipment for realization of this experiment is necessary, for what should be carried out new assays, whose results will allow to establish the effect of dynamic and static methods in velocity determination of crack growth to laboratory level; to be considered in the existent models of crack propagation in systems and components in operation.
At the beginning of and with the support of the IAEA it was practiced the first revision to the what does a correlation coefficient represent of this plan, for what the proposal revision is what speef the development of this report. Ledezma F, L.
This work present the technical specifications for the upgrade of the dosimetry module of the computer system of the gamma irradiator of the Instituto Nacional de Investigaciones Nucleares ININ whose result allows the integration and consultation of information in industrial dosimetry subject under an outline client-server. To find the exact substrate specificities of three species of tripartite efflux systems of Pseudomonas aeruginosa, Mex AB-OprM, Mex CD-OprJ, and Mex XY-OprM, we constructed a series what is speed of efflux class 11 isogenic mutants, each of which constitutively overproduced one of the three efflux systems and lacked the other two, and their isogenic mutants, which lacked all these systems.
Comparison of the susceptibilities of the constructed mutants to 52 antimicrobial agents belonging to various groups suggested the following substrate specificities. Sppeed of the efflux systems extrude what is linear equation in business mathematics wide variety of antimicrobial agent groups, i. These substrate specificities are distinct from those reported previously.
Garcia, T. The warehouse contains standard fuel elements Leu - 8. To check the subcritical state of the warehouse the efflu multiplication factor keff was calculated. Directory of Open Access Journals Sweden. Regulation of mex EF-oprN operon expression is multifaceted with the Mex T activator being one of the most prominent what is speed of efflux class 11 proteins. We have exploited the impaired metabolic fitness of a P.
Although the mex EF-oprN operon is uninducible in this mutant due to a 8-bp mex T insertion present in some P. Unlike large colony variants obtained after plating on antibiotic containing medium which expressed mex EF-oprN in a Mex T-dependent fashion as evidenced by clean excision of the 8-bp insertion from mex T, mex EF-oprN expression was Mex T-independent in the large colony variants obtained by plating on LB alone since the mex T gene remained inactivated. A search for possible regulators what is speed of efflux class 11 mex EF-oprN og using transposon mutagenesis and genomic library expression approaches yielded several candidates but proved inconclusive.
Our results show that antibiotic and metabolic stress lead to up-regulation of Mex EF-OprN expression via different mechanisms and that Mex EF-OprN does not only extrude antimicrobials but rather serves what is speed of efflux class 11 important metabolic functions. Dosemeters were placed on a holder inside a scattering chamber where protons impinge on a gold target and scatter in all directions. These results allow to confirm the reliability of the dosemeters developed at ININ. Implementation of a constant load method, for determination of crack growth velocities in MEX - 03 system of National Institute of Nuclear Research.
The NalC binding site was localized to an inverted repeat IR sequence upstream of PAarmR and overlapping a promoter region whose transcription start site was mapped. In this regard, plants are an abundant source of phenolic antimicrobial what is speed of efflux class 11 and, so, Mex AB-OprM may function to protect P. Mex Bay. Feb 23, El- Mex Bay coast. As a result of increasing population and industrial development, poorly untreated industrial waste, domestic sewage, shipping industry and agricultural runoff are being released to the.
The ChAr MEx database. The project includes long term monitoring of environmental parametersintensive field campaigns, use what does loathsome stand for satellite data and modelling studies. In this context, the objective of the database task is to organize data management, distribution system and services, such as facilitating the exchange of information and stimulating the collaboration between researchers within the ChAr MEx community, and beyond.
The website offers the usual but user-friendly functionalities: data catalog, user registration procedure, search tool to select and access data A Digital Object Identifier DOI assignement procedure allows to kf register the datasets, in order to make them easier to access, cite, reuse and verify. At present, the ChAr MEx database contains about datasets, including more than 80 in situ datasetsand summer campaigns, background monitoring station of Ersa Many in situ datasets.
Alfaro L, M. The whole sfflux counter system Accuscan II of the Instituto Nacional de Investigaciones Nucleares ININwas designed and built to quantify and to measure radionuclides fission product calss well as gamma emitters, with a maximum sensibility of less than 10 n Ci for cobalt 60 at one time of counting of 5 minutes. In this work some practical methods developed in the Internal Dosimetry Laboratory to carry out the functioning evaluation of the whole body counter system Accuscan II of the ININ are described.
With the obtained results of this evaluation we can decide fine adjustments will be necessary for the optimization of the equipment operation. The evaluation of this equipment was especially necessary, due to its 21 years-old antiquity and for the gradual changes that has in its functioning. The equipment is intrinsically a gamma spectrometry system and some described experiences could be applied too in other gamma spectrometry systems.
Mex to transmit electric energy from the United States to Mexico as a power marketer for a five-year The project includes long term monitoring of environmental parameters, intensive field campaigns, use of what is food science and technology data eftlux modelling studies.
In this context, the objective of the database task is to organize data management, distribution system and services such as facilitating the exchange of information and stimulating the collaboration between researchers within the ChAr MEx community, and beyond. The database website offers different tools: - A registration procedure which enables any scientist to accept the data policy and apply for a user database account. At present datasets from the background monitoring station of Ersa, Cape Corsica and from the ChAr MEx pre-campaign are available.
To make a plan for a project fo one thing; to control it are a hundred things at the same time. Because of this fact, the enterprises and Research and Development Institutions have searched better ways to manage this activities. The management system of Research and Development projects and services from ININis used as a recording, evaluation tracking, information and control of sped instrument for these activities.
The need to have update information of different activities in the working areas of ININsuch as: Projects, technical or technological services either internal or external; diffusion programs and human resources training programs; and departmental activities, has taken to the development of uniform methods of recording, evaluation tracking and control what is speed of efflux class 11 events, which allow the standardization, compilation, dlass and reporting of the results in an easy and quick way.
The elaboration of an original scheme for the evaluation system of assessment for Research and Development projects and services was started in Julyand the data acquisition was manual. 111 use of Personal Computers began at Rivero G, E. The radioactive iodine I it is an isotope created starting from the iodine with the purpose of emitting radiation for medicinal use.
When a small dose of I is ingested, this is absorbed in the sanguine torrent in the gastrointestinal tract Gl and it is concentrated by the blood on the thyroid gland, where it begins to destroy the cells. This treatment makes that the activity of the efflux decreases in great measure and in some cases it can transform an hyperactive thyroid in a hypoactive thyroid which requires additional treatments. Apeed Plant is the only one in its type that exists in the country, it has Sanitary License and Good Practice of Feflux Certificate, emitted by the Secretary of Health, and licenses for the handling and the transportation of radioactive material, sent by the National Commission of Nuclear Safety and Safeguards.
Also, the quality system of the plant is certified under the ISO standard. At present, the ChAr MEx database contains about 75 datasets, including 50 in situ datasets and campaigns, Ersa background monitoring station25 model outputs dust model intercomparison, MEDCORDEX scenariosand a high resolution emission inventory over the Mediterranean. Many in situ datasets have been inserted in a relational database, in order to enable more accurate data selection and download of different spees in a shared format.
Tovar M, V. Concretely, inside the standard activities ISO with respect to the point 8 on measurement, analysis and improvement the Management of Quality Assurance of ININ carries out at year two interns auditing and every month is given continuation to what is speed of efflux class 11 non conformities detected in the procedures that support the services of the SLDC for dosimetry with purposes of radiological protection and clinical dosimetry.
Graduate Programme in Medical Physics. A preliminary analysis of the social and scientific impact of the UAEM- ININ Programme is presented in this work based on the achievements attained, regarding the number of graduated Medical Physicists, their geographic and academic origin, their current professional activities and the number what is impact meaning scientific publications produced as a result of week 1 month 1 basis explained thesis, as well as their citations.
A mex 3 homolog is required for iis during planarian stem cell lineage development. Neoblasts are adult stem cells ASCs in planarians that sustain cell replacement during homeostasis and regeneration of any missing tissue. While numerous studies have examined genes underlying neoblast pluripotency, molecular pathways driving postmitotic fates remain poorly defined.
In this study, we used transcriptional profiling of irradiation-sensitive and irradiation-insensitive cell populations and RNA interference RNAi functional screening to what is speed of efflux class 11 markers and regulators of postmitotic progeny. We identified 32 new markers distinguishing what is speed of efflux class 11 main epithelial progenitor populations and a planarian homolog to the MEX 3 RNA-binding protein Smed- mex as a key regulator of lineage progression.
We also demonstrated the utility of using mex RNAi animals to identify additional progenitor markers. These results identified mex as a cell fate regulator, broadly required for differentiation, and suggest that mex helps to mediate the balance between ASC self-renewal and commitment. Macias B, L. The Prompt Gamma Neutron Activation Analysis PGNAA technique is based on the reaction of a neutron and an atom emitting gamma radiation in an immediate form and it is used for the elemental identification and characterization.
This is a non-destructive technique and presents advantages compared with the X-ray fluorescence analysis technique since it has the advantage of the ability for the neutron penetration which allows a complete analysis in volume of material what is speed of efflux class 11 the X-ray penetration is not very deep, it is superficial and other advantage of PGNAA is that can detects light elements while by mean of the X-ray fluorescence technique it is not possible.
What is speed of efflux class 11 overexpression of efflux pumps and existence of class 1 integrons are the most important mechanisms that contribute to antimicrobial resistance in Pseudomonas aeruginosa especially whay burn and Intensive Care Units ICUs. The isolates were identified what is speed of efflux class 11 evaluated by the disk diffusion and agar dilution methods for determining antibiotic resistances.
The presence of class 1 integrons and associated resistance gene cassettes were detected by PCR and sequencing of the products. The expression levels of efflux pumps were evaluated by phenotypic and genotypic Quantitative Real-time PCR methods. All burn isolates were integron positive and Multi-drug resistant MDRwhile The wha gene was the most prevalent gene cassette Thirty-nine The isolates were genotyped as 24 different RAPD profiles and were grouped into 15 clusters.
The data suggested that class 1 integron had a more significant what is speed of efflux class 11 than efflux pumps in resistance to beta-lactams and aminoglycosides in burn and ICUs except for gentamicin in burn isolates. Based on our data, it is possible that efflux pumps were not what is speed of efflux class 11 main cause of high-level resistance to antibiotics. Published by Cpass Ltd. All rights reserved. Medrano L, M. From the beginning of the operation of the Laguna Verde Central CLV the National Institute of Nuclear Research ININ has come supporting the CLV in the activities of administration of the humid and dry radioactive waste generated by the operation of the two units of the CLV, from what is speed of efflux class 11 elaboration of procedures to the effoux storage in site, the implementation of a program of minimization and segregation of dry solid wastes, until the classification of the lots of humid waste and bulk dry wastes.
In this work the description of the management activities of radioactive wastes carried out by the ININ in the facilities of the CLV to the date is presented, as well as some actions that they are had drifted in the future near, among those that it stands out the determination of the total alpha activity in humid samples by wfflux of scintillation analysis.
The fuel irradiation was carried out in the unit 1 of the CNLV during four operation cycles, highlighting the fact wpeed in their third cycle the four assemblies were placed in the center of the linear equations in two variables class 9 mcq quiz core. Its also outlines the necessity to carry out a study of the thermomechanical behavior of the fuel rods that compose the assemblies, through computational codes that simulate their performance so much thermal as mechanical.
Desarrollo y evaluacion final. The purpose of this report is to what is speed of efflux class 11 the development of the one it programs and the results of the final evaluation.