Relevant bibliographies by topics / O2I

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'O2I'

Author: Grafiati
Published: 10 January 2023
Last updated: 28 January 2023

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Journal articles on the topic "O2I"

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House, Andrew A., Mikko Haapio, Paolo Lentini, Ilona Bobek, Massimo de Cal, Dinna N. Cruz, Grazia M. Virzì, et al. "Volume Assessment in Mechanically Ventilated Critical Care Patients Using Bioimpedance Vectorial Analysis, Brain Natriuretic Peptide, and Central Venous Pressure." International Journal of Nephrology 2011 (2011): 1–5. http://dx.doi.org/10.4061/2011/413760.

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Purpose. Strategies for volume assessment of critically ill patients are limited, yet early goal-directed therapy improves outcomes. Central venous pressure (CVP), Bioimpedance Vectorial Analysis (BIVA), and brain natriuretic peptide (BNP) are potentially useful tools. We studied the utility of these measures, alone and in combination, to predict changing oxygenation.Methods. Thirty-four mechanically ventilated patients, 26 of whom had data beyond the first study day, were studied. Relationships were assessed between CVP, BIVA, BNP, and oxygenation index (O2I) in a cross-sectional (baseline) and longitudinal fashion using both univariate and multivariable modeling.Results. At baseline, CVP and O2I were positively correlated (R=0.39;P=.021), while CVP and BIVA were weakly correlated (R=-0.38;P=.025). The association between slopes of variables over time was negligible, with the exception of BNP, whose slope was correlated with O2I (R=0.40;P=.044). Comparing tertiles of CVP, BIVA, and BNP slopes with the slope of O2I revealed only modest agreement between BNP and O2I (kappa=0.25;P=.067). In a regression model, only BNP was significantly associated with O2I; however, this was strengthened by including CVP in the model.Conclusions. BNP seems to be a valuable noninvasive measure of volume status in critical care and should be assessed in a prospective manner.
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Zhong, Zhimeng, Jianyao Zhao, and Chao Li. "Outdoor-to-Indoor Channel Measurement and Coverage Analysis for 5G Typical Spectrums." International Journal of Antennas and Propagation 2019 (September 16, 2019): 1–10. http://dx.doi.org/10.1155/2019/3981678.

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The fifth-generation (5G) mobile communications system will adopt the millimeter wave (mmWave) band for outdoor-to-indoor (O2I) coverage to achieve ultrahigh data rate. However, it is a challenging task because of the large path loss and almost total blocking by building walls. In this work, we performed extensive measurements on the O2I propagation at 3.5, 4.9, and 28 GHz simultaneously by using a multiband channel sounder. We captured the path loss distribution and angular power arrival profiles. We also measured the penetration loss at 28 GHz through different kinds of glass windows. The widely adopted ordinary glass windows introduce the penetration loss of 3 to 12 dB that is acceptable and makes mmWave O2I coverage feasible. But the low-emissivity (low-E) windows that will be more popular in the future introduce 10 dB higher loss. The measurement results in this work can help analyse and anticipate the O2I coverage by mmWave, which is important for the design and deployment of the 5G network.
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Diago-Mosquera, Melissa Eugenia, Alejandro Aragón-Zavala, and Mauricio Rodriguez. "Testing a 5G Communication System: Kriging-Aided O2I Path Loss Modeling Based on 3.5 GHz Measurement Analysis." Sensors 21, no. 20 (October 9, 2021): 6716. http://dx.doi.org/10.3390/s21206716.

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Deep knowledge of how radio waves behave in a practical wireless channel is required for the effective planning and deployment of radio access networks in outdoor-to-indoor (O2I) environments. Using more than 400 non-line-of-sight (NLOS) radio measurements at 3.5 GHz, this study analyzes and validates a novel O2I measurement-based path loss prediction narrowband model that characterizes and estimates shadowing through Kriging techniques. The prediction results of the developed model are compared with those of the most traditional assumption of slow fading as a random variable: COST231, WINNER+, ITU-R, 3GPP urban microcell O2I models and field measured data. The results showed and guaranteed that the predicted path loss accuracy, expressed in terms of the mean error, standard deviation and root mean square error (RMSE) was significantly better with the proposed model; it considerably decreased the average error for both scenarios under evaluation.
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Saito, Kentaro, Qiwei Fan, Nopphon Keerativoranan, and Jun-ichi Takada. "Site-Specific Propagation Loss Prediction in 4.9 GHz Band Outdoor-to-Indoor Scenario." Electronics 8, no. 12 (November 23, 2019): 1398. http://dx.doi.org/10.3390/electronics8121398.

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Owing to the widespread use of smartphones and various cloud services, user traffic in cellular networks is rapidly increasing. Especially, the traffic congestion is severe in urban areas, and effective service-cell planning is required in the area for efficient radio resource usage. Because many users are also inside high buildings in the urban area, the knowledge of propagation loss characteristics in the outdoor-to-indoor (O2I) scenario is indispensable for the purpose. The ray-tracing simulation has been widely used for service-cell planning, but it has a problem that the propagation loss tends to be underestimated in a typical O2I scenario in which the incident radio waves penetrate indoors through building windows. In this paper, we proposed the extension method of the ray-tracing simulation to solve the problem. In the proposed method, the additional loss factors such as the Fresnel zone shielding loss and the transmission loss by the equivalent dielectric plate were calculated for respective rays to eliminate the penetration loss prediction error. To evaluate the effectiveness of the proposed method, we conducted radio propagation measurements in a high-building environment by using the developed unmanned aerial vehicle (UAV)-based measurement system. The results showed that the penetration loss of direct and reflection rays was significantly underestimated in the ray-tracing simulation and the proposed method could correct the problem. The mean prediction error was improved from 7.0 dB to −0.5 dB, and the standard deviation was also improved from 8.2 dB to 5.3 dB. The results are expected to be utilized for actual service-cell planning in the urban environment.
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Feng, Ju, Liang Zhou, Xiaomin Xu, and Cheng Liao. "A Hybrid TDPE/FDTD Method for Site-Specific Modeling of O2I Radio Wave Propagation." IEEE Antennas and Wireless Propagation Letters 17, no. 9 (September 2018): 1652–55. http://dx.doi.org/10.1109/lawp.2018.2861471.

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Zhang, Ruonan, Haochen Xu, Xiaojiang Du, Deyun Zhou, and Mohsen Guizani. "Dual-Polarized Spatial–Temporal Propagation Measurement and Modeling in UMa O2I Scenario at 3.5 GHz." IEEE Access 7 (2019): 122988–3001. http://dx.doi.org/10.1109/access.2019.2919377.

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Vinnik, D. A., Evgeny A. Trofimov, and D. A. Zherebtsov. "Investigation of Ba-Fe-O System near the BaFe12O19." Solid State Phenomena 265 (September 2017): 475–80. http://dx.doi.org/10.4028/www.scientific.net/ssp.265.475.

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This article presents an investigation on phase equilibria of barium hexaferrite and neighboring phases near its melting point and on the characteristics of the compounds in the vicinity of BaFe12O19 phase. Fe3O4, BaFe22+Fe163+O27 (W type), BaFe2+Fe143+O23 (X type), BaFe12O19 (M type), Ba2Fe22+Fe123+O22 (Y type), Ba3Fe22+Fe243+O41 (Z type) and BaFe2O4 (S type) were detected in the molten and solidified stoichiometric BaFe12O19. Literature data are summarized and compared with results of the present work.
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Yu, Yawei, Jianhua Zhang, Mansoor Shafi, Min Zhang, and Jawad Mirza. "Statistical Characteristics of Measured 3-Dimensional MIMO Channel for Outdoor-to-Indoor Scenario in China and New Zealand." Chinese Journal of Engineering 2016 (March 3, 2016): 1–10. http://dx.doi.org/10.1155/2016/1317489.

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The 3-dimensional (3D) channel model gives a better understanding of statistical characteristics for practical channels than the 2-dimensional (2D) channel model, by taking the elevation domain into consideration. As different organizations and researchers have agreed to a standard 3D channel model, we attempt to measure the 3D channel and determine the parameters of the standard model. In this paper, we present the statistical propagation results of the 3D multiple-input and multiple-output (MIMO) channel measurement campaign performed in China and New Zealand (NZ). The measurements are done for an outdoor-to-indoor (O2I) urban scenario. The dense indoor terminals at different floors in a building form a typical 3D propagation environment. The key parameters of the channel are estimated from the measured channel impulse response (CIR) using the spatial-alternating generalized expectation-maximization (SAGE) algorithm. Till now there is abundant research performed on the azimuth domain; this paper mainly considers the statistical characteristics of the elevation domain. A statistical analysis of 3D MIMO channel results for both China and NZ measurements is presented for the following parameters: power delay profile (PDP), root mean square (rms), delay spread (DS), elevation angle-of-arrival (EAoA) distribution, elevation angle-of-departure (EAoD) distribution, elevation angular spread (AS), and cross-polarization discrimination (XPD).
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Murin, L. I., J. Lennart Lindström, Bengt Gunnar Svensson, Vladimir P. Markevich, Anthony R. Peaker, and Charalamos A. Londos. "VOn (n≥3) Defects in Irradiated and Heat-Treated Silicon." Solid State Phenomena 108-109 (December 2005): 267–72. http://dx.doi.org/10.4028/www.scientific.net/ssp.108-109.267.

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Local vibrational mode (LVM) spectroscopy has been used to study the evolution of vacancy-oxygen-related defects (VOn) in the temperature range 300-700°C in carbon-lean Cz-Si samples irradiated with MeV electrons or neutrons. New experimental data confirming an attribution of the absorption bands at 910, 976 and 1105 cm-1 to the VO3 complex are obtained. In particular, a correlated generation of VO3 and the oxygen trimer is observed upon irradiation of Cz- Si crystals in the temperature range 300-400°C. Strong evidence for the assignment of the bands at 991 and 1014 cm-1 to a VO4 defect is presented. The lines are found to develop very efficiently in the VO2 containing materials enriched with the oxygen dimer. In such materials the formation of VO4 is enhanced due to occurrence of the reaction O2i+VO2 ⇒ VO4. Annealing of the VO3 and VO4 defects at T ≥ 550C °C is found to result in the appearance of new defects giving rise to a number of O-related LVM bands in the range 990-1110 cm-1. These bands are suggested to arise from VO5 and/or VO6 defects. Similar bands also appear upon the annihilation of oxygen-related thermal double donors at 650°C in Cz-Si crystals pre-annealed at 450°C.
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Fatmawaty, Fatmawaty, Hijrah Asikin, and Popi Anggraeni. "Acceptance and Iodine Content of Cookies With Addition of Brown Seaweed Flour (Eucheuma Cottonii)." Media Gizi Pangan 29, no. 2 (December 9, 2022): 15. http://dx.doi.org/10.32382/mgp.v29i2.3074.

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Gangguan akibat kekurangan Yodium (GAKI) merupakan rangkaian gejala akibat kekurangan yodium yang dapat menimbulkan efek penghambat fisik dan psikis serta mempengaruhi kualitas sumber daya manusia. Pemanfaatan rumput laut coklat pada produk cookies memiliki kandungan yodium yang tinggi diharapkan dapat mengurangi kejadian GAKY. Penelitian ini bertujuan untuk mengetahui daya terima dan kandungan yodium cookies dengan penambahan tepung rumput laut coklat. Jenis penelitian ini adalah Pra Eksperimen dengan desain penelitian Post Test Group Design, dengan tiga perlakuan (15%, 20% dan 25%) dan satu kontrol (0%). Daya terima dinilai berdasarkan uji hedonik terhadap 30 panelis dan kandungan yodium menggunakan metode Iodometri sebanyak 2 kali pada formula yang paling disukai. Hasil penelitian menunjukkan bahwa skor dari aspek warna yang paling disukai yaitu O2C (93,3%) skor dari aspek rasa yang paling disukai yaitu O2A (90%) skor dari aspek aroma yang paling disukai yaitu O2A (96,6%) dan skor dari aspek tekstur yang paling disuaki yaitu O2B (76,7%) dan hasil analisis kandungan yodium pada cookies dengan penambahan tepung rumput laut coklat cookies mengandung yodium sebanyak 4,41 µg/g. Kandungan yodium pada formula 20% lebih banyak dibandingkan dengan cookies original yang hanya mengandung yodium sebanyak 0,085 µg/g untuk setiap gram keping cookies. Sebaiknya dalam proses pengolahan rumput laut coklat menggunakan jeruk nipis yang dapat mengurangi bau yang kurang enak pada tepung rumput laut coklat.
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Dissertations / Theses on the topic "O2I"

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Pohlmann, Juliana Gonçalves. "Avaliação da reatividade ao CO2 de chars obtidos em atmosferas convenional (O2/N2) e de oxi-combustão (O2/CO2) com vistas à aplicação no alto-forno." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/27923.

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A injeção de carvão pulverizado - PCI - é praticada nas ventaneiras dos altos-fornos com o objetivo de substituir parcialmente o coque, provendo energia e gases redutores ao processo. Em geral, as melhorias desse processo ocorrem no sentido de diminuir o fuel rate e aumentar a produtividade do alto-forno. A tecnologia de oxi-combustão consiste na queima de carvão em uma atmosfera livre de N2, o qual é substituído por um gás rico em CO2. Visando a possibilidade de aplicação desta tecnologia em PCI, chars de três carvões de diferentes ranks utilizados para injeção e chars de um coque de petróleo foram obtidos em atmosferas convencional (O2/N2) e de oxi-combustão (O2/CO2) em forno de queda livre O objetivo do presente trabalho foi avaliar a reatividade ao CO2 desses chars por termogravimetria via método isotérmico a 1000°C. Resultados de eficiência da combustão (burnout), de área superficial e a morfologia dos chars antes da gaseificação auxiliaram a análise da reatividade. A reatividade foi, em geral, mais alta quanto mais baixo o rank do carvão e tendeu a aumentar com o burnout, o qual foi associado ao aumento na área superficial BET. Em geral, as reatividades ao CO2 dos chars de atmosferas O2/N2 e O2/CO2, obtidos com o mesmo teor de oxigênio, não apresentaram diferenças significativas. Apenas no caso dos chars do carvão de mais baixo rank e obtidos em maior teor de oxigênio é que as amostras de oxi-combustão foram mais reativas.
Pulverized coal injection (PCI) is used in the blast furnace tuyeres attempting to provide energy and reducing gases to the process. New technologies have been studied to improve PCI and to make ironmaking process suitable to environmental requirements. Oxy-fuel combustion technology consists of burning coal in a N2-free atmosphere, which is exchanged by a CO2-rich gas. Aiming at a possible application of oxy-fuel combustion in blast furnace, chars of three typical PCI coals of different ranks were obtained under conventional (O2/N2) and oxy-fuel (O2/CO2) atmospheres in drop tube furnace. The aim of this work was to evaluate the CO2 reactivity of these chars via thermogravimetric analysis by isothermal method at 1000ºC. Coals burnouts, BET surface areas of chars and chars morphology before gasification gave support in the reactivity results analyse. In general, the higher reactivities were observed for the lower rank coal chars. Reactivity increased when coal burnouts and chars BET surface areas also increased. The CO2 reactivities of conventional and oxy-fuel chars, obtained under the same oxygen content, have not shown significant differences.
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Frank, Évelyne. "La naissance du oui dans l'oeuvre de pierre emmanuel - oui - amen - om -." Université Marc Bloch (Strasbourg) (1971-2008), 1994. http://www.theses.fr/1994STR20009.

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La problematique de cette these est celle du depassement de l'ambivalence a l'egard de la vie et du vivant, ceci face a la loi pascale du grain tombe en terre. Un parcours se dessine ici, du blaspheme a l'assentiment, qui ne voudrait rien eluder. L'avancee n'est pas rectiligne, le doute se maintient jusqu'au bout. Bien des etapes scandent la progression : proferer le non - et peut-etre deja le nom -, decouvrir le dieu revolte, vouloir "guerir", se rendre present, oser l'aveu, "mettre la main sur la bouche", se preceder par la parole et entrer dans le paradoxe, s'ejouir, s'ebouler et oser peser, choisir de "se laisser determiner" par dieu. Le mouvement de bascule decisif du non au oui correspond a la substitution, dans cette oeuvre tournant qu'est jacob, de la preposition "vers" a la preposition "contre" attendue dans le groupe nominal : "contestation incessante vers toi"
The problem dealt with in this thesis is that of transcending the ambivalence of life and living and this, in the context of paschal law of the grain falling to earth. A trajectory is outlined here, from blasphemy to consent, that doesn't attempt to evade anything. Progress is not linear, doubt is maintained to the end. Many stages the progression : to utter the name - and maybe already the name -, to discover the rebellious god, to desire "to heal", to make oneself present, to dare to confess, to "put one's hand on one's mouth", to precede oneself in speech and enter into paradox, to rejoice, to collapse and dare to weigh, to choose to "allow oneself to be determined" by god. The decisive movement of swinging from "no" to "yes" corresponds to the substitution in jacob, that key work, of the preposition "vers" ("towards") in place of the expected preposition "contre" ("against") in the nominal phrase : "incessant dispute with ("vers") you"
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Frank, Évelyne. "La naissance du oui dans l'oeuvre de Pierre Emmanuel : oui, amen, om /." Paris : Presses Universitaires de France, 1998. http://catalogue.bnf.fr/ark:/12148/cb370253374.

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McKenna, Claire. "Waveguides for OFI lasers." Thesis, University of Oxford, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437190.

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Sjödin, Jonas. "Building OCI Images With a Container Orchestrator : A comparison of OCI build-tools." Thesis, Umeå universitet, Institutionen för datavetenskap, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184372.

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Cloud computing is a quickly growing field in modern computing science where new technologies arise every day. One of the latest trends in cloud computing is container based technology, which  allows applications to run in a reproducible and stateless fashion without requiring manually installed dependencies. Another trend in computer science is DevOps, a methodology where developers take part in the operations process. DevOps popularise the use of CI/CD workflows, where automatic pipelines run tests and scripts on new code. A container orchestrator, like Kubernetes, can be used to control and modify containers. Kubernetes allows integrating multiple third-party applications that can monitor performance, analyze logs, and much more. Kubernetes can be integrated into the CI/CD system to utilise its container orchestration perks. Building containers inside a container can cause security issues because of native security flaws with OCI build tools. This thesis aims to look at these issues and analyse the field of container orchestrated OCI build tools using Kubernetes and OCI build tools. We also discover how to develop a test suite that can reliably test container orchestrated OCI build tools and export metrics. The thesis lastly compares different Dockerfile compliant Build tools with the test suite to find out which has the best performance and caching. The compared build tools are BuildKit, Kaniko, Img and Buildah and overall BuildKit and Kaniko are the fastest and most resource effective build tools. It is not obvious which build tool that is the most secure. Kaniko, which is a root container requires no privileges and is therefore tough to break out of but an eventual breakout will give the attacker root access to the host machine. BuildKit and Img only requires unconfined SECcomp and AppArmor which will make a container breakout more probable, even though less than Buildah which must be run in a privileged container. Since they can run rootless, the attacker will only have the same access to the host as that user in case of a container breakout.
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Ngaha, Arapera Bella. "Te Reo, a language for M��ori alone? : an investigation into the relationship between the M��ori language and M��ori identity." Thesis, University of Auckland, 2011. http://hdl.handle.net/2292/6761.

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This thesis is a sociolinguistic study that addresses the link between M��ori identity and the ability to speak and understand te reo M��ori (the M��ori language). This study goes right to the heart of the relationship between language and identity. The international literature regarding this relationship is considerable and suggests that for many of the indigenous and minority language communities around the world, such a link is an imperative. It is a view that is also reflected in the M��ori literature. As a first step this study questions that proposition and explores the views of M��ori on this matter which allows us to gain insights into the ways in which M��ori in the early 21st century view their language and their identity. In a second phase this study looks to explore the idea of encouraging and supporting non- M��ori ��� those who have no M��ori whakapapa (geneology) ��� into learning to speak te reo M��ori as a means of assisting te reo revitalisation, through increasing the numbers of speakers of te reo. Understandings around the importance of te reo to M��ori identity have had a huge influence on the ways in which M��ori reacted to this proposition. This project is of direct relevance to M��ori, who have been extremely concerned for several decades about the loss of the M��ori language and its ongoing threatened status. M��ori have been directly involved in measures to preserve the language both on the national stage and at local levels. More than 600 people contributed to this study and both quantitative and qualitative modes of analysis were employed at different stages of this study. The quantitative data from the survey was analysed using the SPSS1 programme. Interpretive content analysis and narrative analysis that utilised tikanga or models of M��ori understandings of identity, and sociolinguistic theory exposed a number of themes that are used to illustrate the findings of this study.
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Upcraft, Lee Mark. "Modelling collisionally pumped X-ray lasers in optically field ionised noble gases." Thesis, University of York, 2002. http://etheses.whiterose.ac.uk/10791/.

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Ly, Quyet Tien. "Les OSI françaises au Vietnam." Paris 7, 2007. http://www.theses.fr/2007PA070077.

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Notre thèse s'inscrit dans le cadre de l'étude des relations non gouvernementales franco-vietnamiennes. Elle porte sur l'évaluation des Organisations de solidarité internationales françaises (OSI), acteurs majeurs engagées en grand nombre dans l'action humanitaire, ainsi que dans beaucoup d'autres domaines, pour l'aide au développement du Vietnam, et ce, dès les années 1975. Dans un premier temps, elle prend en considération leurs différents aspects : leurs origines, leurs structures, leurs moyens, leurs pratiques, leurs conditions de travail, leurs modes d'intervention au siège comme sur le terrain. Dans un deuxième temps, elle propose, à l'appui des recherches sur leur diversité et leurs interventions, une réflexion sur les problèmes qui les concernent :les atouts qu'elles possèdent sur les autres acteurs, les faiblesses qui limitent leurs actions, les rapports qu'elles entretiennent avec les différents partenaires, les rôles qu'elles jouent dans l'accompagnement des politiques sociales. Notre objectif étant de mettre un éclairage sur les facteurs qui constituent et affectent ce monde, de montrer dans leur fonctionnement, comment ces organisations arrivent à atteindre leurs objectifs dans un contexte spécifique d'un pays en voie de développement fortement marqué par la mainmise de l'Etat Parti et par la présence d'un grand nombre d'acteurs internationaux. Plus de 300 de OSI françaises intervenant au Vietnam constitue un phénomène impressionnant Leur contribution à la promotion des relations franco-vietnamiennes est indéniable. Cependant, ce monde fort motivé et compétent souffre encore d'une insuffisance d'attention de la part des protagonistes des deux pays. De nombreux progrès restent encore à réaliser dans le rapprochement entre leurs pouvoirs publics respectifs et les acteurs non gouvernementaux pour rendre l'aide française plus efficace et donner une image exemplaire des relations de coopération entre un pays développé et un pays en voie de développement
This research is formally classified as a study of Franco-Vietnarnese non governmental relations. It deals with the evaluation of the French non-governmental organisations (OSI), one of the major contributors who has significantly invested in Vietnam as well as in many humanitarian endeavours to aid in the development since 1975. On one level, it takes into consideration these various aspects: origin, structure, resources, practices, employment conditions, and modes of intervention at the national office as well as in the field. On the other level, it indicates gratitude for the diversity study and the implemented actions taken. It also indicates the assets they have above other participants, the weaknesses that limit theirs actions, the relations they have established with other partners, and the role they play in instituting social policies for the country. The objective is to clarify the factors that constitute and affect this community, and to indicate how they can obtain the objective of thejr function in the particular Vietnamese context marked by the seizure of a Party Government and the presence of a great number of international actors. Over 300 French NGOs working in Vietnam is an impressive phenomenon. Their contribution to the promotion of Franco-Vietnamese relations is undeniable, However, this motivated and competent community has suffered from jnsufficient attention from the political protagonists of the two countries. There are many things that can be done by both the public authorities and the non governmental organisations to make French help more efficient and to give an exemplary image of the cooperation between a developed country and a developing one
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Frank, Stephan. "OVI Absorbers in SDSS Spectra." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1222116379.

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Pons, Pujol Elisenda. "Efecte de l'oli de peix i l'oli d'oliva en el desenvolupament del càncer colorectal." Doctoral thesis, Universitat Autònoma de Barcelona, 2006. http://hdl.handle.net/10803/3790.

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Introducció: El càncer colorectal és un dels càncers més freqüentes del nostre país així com en la majoria de societats occidentals. Els factors mebiambientals juguen un paper determinant en el seu desenvolupament. Els nutrients i específicament els greixos, estarien entre els factors més destacats.
Tot i que a Groenlàndia, Finlàndia i algunes zones mediterrànies, les dietes tenen un alt contingut en greix, la incidència de càncer colorrectal és relativament baixa en comparació amb la resta de països occidentals. Una important diferència dietètica és l'elevat consum de peix i oli de peix (ric en els àcids grassos n-3, eicosapentaeonic (EPA) i docosahexaenoic (DHA)) en el cas del països nòrdics i l'oli de oliva (ric en àcid oleic C18:1, n-9) a la conca mediterrània.
La tesi es basa en la hipòtesi que "l'oli de peix i el d'oliva són capaços de modular el desenvolupament del càncer colorrectal.
Objectius: L'objectiu de l'estudi va ser avaluar els mecanismes pels quals aquests olis realitzaven aquesta modulació i la implicació dels àcids grassos presents en aquests.
Resultats: Per respondre els objectius plantejats es van utilitzar dues estratègies d'estudi. La primera es basa en estudis in vitro amb línies cel·lulars d'adenocarcinoma colorectal, Caco-2 i Ht-29. L'altra es basa en l'estudi de l'efecte dels diferents nutrients en un model animal d'inducció de la carcinogènesi colorectal.
L'oli de peix i l'oli d'oliva indueixen la diferenciació en cèl·lules Caco-2. Com a resultat de la diferenciació aquestes cèl·lules comencen a expressar els enzims Sucrasa-Isomaltasa i la Dipeptidilpeptidasa IV.
La regulació de l'homeòstasi del teixit colònic depèn d'una estreta relació entre la proliferació cel·lular i l'apoptosi o mort cel·lular programada
Mitjançant estudis d'incorporació de timidina tritiada, hem demostrat que l'oli de peix té un important efecte inhibidor de la proliferació de les cèl·lules Caco-2 i HT-29. Sembla ser, que aquests efectes són deguts als àcids grassos n-3 EPA i DHA presents en l'oli de peix. L' efecte modulador del desenvolupament del càncer colorectal per part de l'oli de peix i del d'oliva té la seva major incidència en la inducció de l'apoptosi. L'índex d'apoptosi s'ha determinat analitzant els canvis morfològics de les cèl·lules (amb tinció DAPI). L'oli de peix, l'oli d'oliva, així com el DHA, l'EPA i l'àcid oleic són capaços d'incrementar l'apoptosi de forma molt significativa. Aquests efectes estan relacionats amb una molt ràpida inhibició de l'expressió de COX-2. L'expressió de la proteïna antipopotòtica Bcl-2 disminueix després de disminuir COX-2, fet que suggereix la implicació d'aquests dos gens en els efectes antineoplàstics produïts per aquests àcids grassos. Per altra banda es va demostrar una clara implicació de la proteïna pro-apoptòtica BAX, ja que a l'administrar un inhibidor d'aquesta, es produïa una disminució significativa de l'apoptosi.
L'oli de peix i el d'oliva tenen un important efecte protector en la inducció de la carcinogènesi colorectal en animals tractats amb azoximetà. Els animals que van rebre una dieta amb oli de peix o d'oliva, com a font principal de greix, presentaven un major índex d'apoptosi. Per altra banda, l'oli de peix podria tenir un efecte preventiu al ser capaç d'incidir en la renovació de l'epiteli sa, incrementant l'apoptosi d'aquestes cèl·lules.
Conclusions: L'oli de peix és capaç de modular de forma clara el desenvolupament del càncer colorectal incidint directament en els processos de diferenciació cel·lular, proliferació i apoptosi. L'oli de peix podria tenir un efecte preventiu del desenvolupament del càncer colorrectal al modificar la regeneració de l'epiteli colònic sa. L'oli d'oliva pot modular el desenvolupament del càncer colorrectal encara que no tingui el seu efecte en la totalitat dels mecanismes estudiats.
Introduction: Colorectal cancer is one of the most frequent cancers in our country as well as in most of the occidental societies. Environmental factors play a crucial role on its development. Nutrients and in concrete fat seems to be one of the most determinant components. Although relatively high fat diets are consumed in Greenland, Finland and some Mediterranean areas, colorectal cancer incidence remains relatively low there. An important difference between these regions and the rest of the western countries is the much higher consumption of fish and fish oil (rich in the n-3 fatty acids eicosapentaenoic, C20:5 and docosahexaenoic, C22:6) in the case of the Northern countries, and fish and olive oil (containing mostly oleic acid, C18:1, n-9) down in the Mediterranean basin.
The hypothesis of our study was if "fish oil and olive oil are able to modulate the colorectal cancer development".
Aims: The objectives of this study were to evaluate the mechanisms implicated in the modulation of cancer by these oils and determine the implications of its fatty acids.
Results: In order to answer the objectives mentioned above we followed two study strategies. First, we performed: in vitro studies using adenocarcinoma cell lines, Caco-2 and Ht-29. The other one is the study of the effects of several nutrients in an animal model of carcinogenesis induction .
Fish oil and olive oil induced the differentiation of Caco-2 cells. As a result of this differentiation, the cells began to express Sucrase-Isomaltase and Dipeptydilpeptidase IV enzymes.
Homeostasis regulation of colonic tissue depends on a tightly relationship between cell proliferation and cell loss, through apoptosis.
With [3H] thymidine incorporation studies, we demonstrated that fish oil has an important inhibitor effect on the proliferation of Caco-2 and HT-29 cells. It seems that this effect is caused by EPA i DHA (n-3 fatty acids present in fish oil). The most important effect on the development of colorectal cancer by fish oil and olive oil is the induction of apoptosis. To determine the Apoptotic index we evaluated cell morphologic changes by DAPI staining.
Fish oil, olive oil, as well as DHA, EPA and oleic acid are able to increase apoptosis in a significant manner. These effects are related to a very fast inhibition of the expression of COX-2. Antipoptotic Bcl-2 protein expression decreases after Cox-2 expression inhibition, suggesting that these two genes are implicated in the antineoplastic effects. On the other hand, we demonstrated a clear implication of the proapoptotic protein BAX, because when an inhibitor of BAX was added, apoptosis significantly decreased.
Fish oil and olive oil have an important protective effect in the induction of colorectal carcinogenesis in animals which received an azoximethane treatment. Animals fed with fish oil and olive oil as a principal source of fatty acids in its diet, showed a higher apoptotic index. On the other hand, fish oil may have a preventive effect due to an acceleration of the turnover of colonic epithelia through the induction of apoptosis of these cells.
Conclusions: Fish oil can modulate the development of colorectal cancer in cellular differentiation, proliferation and apoptosis processes. Fish oil could have a preventive effect on the development of colorectal cancer modifying the regeneration of normal colonic epithelial. Olive oil could modulate the development of colorectal cancer although not having effects in all of the studied mechanisms.
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Books on the topic "O2I"

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Blyton, Enid. Oui-Oui, sauveteur. Paris?]: Hachette Jeunesse, 1996.

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Blyton, Enid. Oui-Oui déménage! [Paris]: Hachette jeunesse, 2007.

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Fine, Mighty. Oui, oui Waikiki. New York: Abrams, 2004.

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Blyton, Enid. Oui-Oui livreur. Paris: Hachette jeunesse, 1999.

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Oui Oui Oui of the Pyrenees. Reno: Center for Basque Studies, University of Nevada, Reno, 2012.

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Kozlova, Lilit. Oni byli, oni zhili. Moskva: Prometeĭ, 1993.

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Pečar, Borut. Iz oči v oči. Ljubljana: Cankarjeva založba, 1985.

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Dinjar, Branko. Oči u oči: Novele. Varaždinske Toplice: Tonimir, 2000.

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Moodie, Andrew. Oui. Toronto, Ontario: Paywrights Guild of Canada, 1999.

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Pivovarov, Viktor. Oni. Brno: Moravská galerie v Brně, 2010.

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Book chapters on the topic "O2I"

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Wang, Yutong, Daosen Zhai, Ruonan Zhang, Yi Jiang, and Qi Guo. "UMa Large-Scale O2I Modeling and Base Station Number Optimization." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 393–400. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-14657-3_40.

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Zhang, Ruonan, Linyuan Wei, Yi Jiang, Daosen Zhai, and Bin Li. "Large-Scale Fading Measurement and Comparison for O2I Channels at Three Frequencies." In Simulation Tools and Techniques, 578–87. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32216-8_56.

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Stoll, Wilhelm. "Einleitung." In Test von OSI-Protokollen, 1–4. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_1.

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Stoll, Wilhelm. "Test." In Test von OSI-Protokollen, 5–20. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_2.

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Stoll, Wilhelm. "Automatische Generierung von Testdaten." In Test von OSI-Protokollen, 21–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_3.

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Stoll, Wilhelm. "Das Karlsruher Testsystem." In Test von OSI-Protokollen, 36–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_4.

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Stoll, Wilhelm. "TRANS-CHECK-Verfahren." In Test von OSI-Protokollen, 65–91. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_5.

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Stoll, Wilhelm. "Generierung von Testszenarien." In Test von OSI-Protokollen, 92–124. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_6.

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Stoll, Wilhelm. "Teststrategie." In Test von OSI-Protokollen, 125–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-83993-1_7.

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Gattai, Valeria, Rajssa Mechelli, and Piergiovanna Natale. "Introduction." In ODI from BRIC Countries, 1–10. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97340-1_1.

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Conference papers on the topic "O2I"

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Ntetsikas, Nikolaos, Nithin Babu, Muhammad Haroon Tariq, Constantinos B. Papadias, Jinfeng Du, Dmitry Chizhik, Reinaldo Valenzuela, Mauricio Rodriguez, and Rodolfo Feick. "60 GHz Outdoor to Indoor (O2I) Propagation Measurements in a University Campus." In 2022 IEEE 23rd International Workshop on Signal Processing Advances in Wireless Communication (SPAWC). IEEE, 2022. http://dx.doi.org/10.1109/spawc51304.2022.9833968.

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Jiang, Yi, Song Pan, Ruonan Zhang, Changyou Li, and Daosen Zhai. "Space-Time Domain Power Spectrum Measurement and Modeling of UMi O2I Channel at 3.5 GHz." In 2019 11th International Conference on Wireless Communications and Signal Processing (WCSP). IEEE, 2019. http://dx.doi.org/10.1109/wcsp.2019.8928054.

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Jin, Yu, and Scott T. Dunham. "Interaction of O2i Dimers with Ga in Si and Implications for a Comprehensive Model of Light- Induced Degradation." In 2017 IEEE 44th Photovoltaic Specialists Conference (PVSC). IEEE, 2017. http://dx.doi.org/10.1109/pvsc.2017.8366495.

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Brownlow, A., M. Grinfield, G. Moreland, G. Quintrell, and G. Scherer. "PFI, IVD, ORI, CCD, AND OVI IN THE BMW 318i." In International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/922262.

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Slimani, H., N. El Faddouli, R. Benslimane, and S. Bennani. "Personalized search and recommendation in a digital educational resources repository: The case of ORI-OAI." In 2016 4th IEEE International Colloquium on Information Science and Technology (CIST). IEEE, 2016. http://dx.doi.org/10.1109/cist.2016.7805108.

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Pflug, Bringfried M., and T. Ruppert. "Information content of measurements in the O2A- and O2B-bands for monitoring of aerosols from space." In Optical Engineering and Photonics in Aerospace Sensing, edited by Anton Kohnle and Walter B. Miller. SPIE, 1993. http://dx.doi.org/10.1117/12.154856.

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Ghosh, Swaroop, Jung-Hwan Choi, Patrick Ndai, and Kaushik Roy. "O2C." In Proceeding of the thirteenth international symposium. New York, New York, USA: ACM Press, 2008. http://dx.doi.org/10.1145/1393921.1393971.

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Caussé, Otalia, Geoffroy Collin, Louise Grardel, Antoine Marchand, Robin Merle, and Fabien Meyran. "O28." In SIGGRAPH '20: Special Interest Group on Computer Graphics and Interactive Techniques Conference. New York, NY, USA: ACM, 2020. http://dx.doi.org/10.1145/3368827.3381856.

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Caussé, Otalia, Geoffroy Collin, Louise Grardel, Antoine Marchand, Robin Merle, and Fabien Meyran. "O28." In SA '19: SIGGRAPH Asia 2019. New York, NY, USA: ACM, 2019. http://dx.doi.org/10.1145/3354919.3365070.

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Asvany, Oskar, Stephan Schlemmer, Pavol Jusko, Koichi Yamada, and Hiroshi Kohguchi. "VIBRATIONAL SPECTROSCOPY OF He-O2H+ AND O2H+." In 72nd International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2017. http://dx.doi.org/10.15278/isms.2017.ta09.

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Reports on the topic "O2I"

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Brosh, Arieh, David Robertshaw, Yoav Aharoni, Zvi Holzer, Mario Gutman, and Amichai Arieli. Estimation of Energy Expenditure of Free Living and Growing Domesticated Ruminants by Heart Rate Measurement. United States Department of Agriculture, April 2002. http://dx.doi.org/10.32747/2002.7580685.bard.

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Research objectives were: 1) To study the effect of diet energy density, level of exercise, thermal conditions and reproductive state on cardiovascular function as it relates to oxygen (O2) mobilization. 2) To validate the use of heart rate (HR) to predict energy expenditure (EE) of ruminants, by measuring and calculating the energy balance components at different productive and reproductive states. 3) To validate the use of HR to identify changes in the metabolizable energy (ME) and ME intake (MEI) of grazing ruminants. Background: The development of an effective method for the measurement of EE is essential for understanding the management of both grazing and confined feedlot animals. The use of HR as a method of estimating EE in free-ranging large ruminants has been limited by the availability of suitable field monitoring equipment and by the absence of empirical understanding of the relationship between cardiac function and metabolic rate. Recent developments in microelectronics provide a good opportunity to use small HR devices to monitor free-range animals. The estimation of O2 uptake (VO2) of animals from their HR has to be based upon a consistent relationship between HR and VO2. The question as to whether, or to what extent, feeding level, environmental conditions and reproductive state affect such a relationship is still unanswered. Studies on the basic physiology of O2 mobilization (in USA) and field and feedlot-based investigations (in Israel) covered a , variety of conditions in order to investigate the possibilities of using HR to estimate EE. In USA the physiological studies conducted using animals with implanted flow probes, show that: I) although stroke volume decreases during intense exercise, VO2 per one heart beat per kgBW0.75 (O2 Pulse, O2P) actually increases and measurement of EE by HR and constant O2P may underestimate VO2unless the slope of the regression relating to heart rate and VO2 is also determined, 2) alterations in VO2 associated with the level of feeding and the effects of feeding itself have no effect on O2P, 3) both pregnancy and lactation may increase blood volume, especially lactation; but they have no effect on O2P, 4) ambient temperature in the range of 15 to 25°C in the resting animal has no effect on O2P, and 5) severe heat stress, induced by exercise, elevates body temperature to a sufficient extent that 14% of cardiac output may be required to dissipate the heat generated by exercise rather than for O2 transport. However, this is an unusual situation and its affect on EE estimation in a freely grazing animal, especially when heart rate is monitored over several days, is minor. In Israel three experiments were carried out in the hot summer to define changes in O2P attributable to changes in the time of day or In the heat load. The animals used were lambs and young calves in the growing phase and highly yielding dairy cows. In the growing animals the time of day, or the heat load, affected HR and VO2, but had no effect on O2P. On the other hand, the O2P measured in lactating cows was affected by the heat load; this is similar to the finding in the USA study of sheep. Energy balance trials were conducted to compare MEI recovery by the retained energy (RE) and by EE as measured by HR and O2P. The trial hypothesis was that if HR reliably estimated EE, the MEI proportion to (EE+RE) would not be significantly different from 1.0. Beef cows along a year of their reproductive cycle and growing lambs were used. The MEI recoveries of both trials were not significantly different from 1.0, 1.062+0.026 and 0.957+0.024 respectively. The cows' reproductive state did not affect the O2P, which is similar to the finding in the USA study. Pasture ME content and animal variables such as HR, VO2, O2P and EE of cows on grazing and in confinement were measured throughout three years under twenty-nine combinations of herbage quality and cows' reproductive state. In twelve grazing states, individual faecal output (FO) was measured and MEI was calculated. Regression analyses of the EE and RE dependent on MEI were highly significant (P<0.001). The predicted values of EE at zero intake (78 kcal/kgBW0.75), were similar to those estimated by NRC (1984). The EE at maintenance condition of the grazing cows (EE=MEI, 125 kcal/kgBW0.75) which are in the range of 96.1 to 125.5 as presented by NRC (1996 pp 6-7) for beef cows. Average daily HR and EE were significantly increased by lactation, P<0.001 and P<0.02 respectively. Grazing ME significantly increased HR and EE, P<0.001 and P<0.00l respectively. In contradiction to the finding in confined ewes and cows, the O2P of the grazing cows was significantly affected by the combined treatments (P<0.00l ); this effect was significantly related to the diet ME (P<0.00l ) and consequently to the MEI (P<0.03). Grazing significantly increased O2P compared to confinement. So, when EE of grazing animals during a certain season of the year is estimated using the HR method, the O2P must be re measured whenever grazing ME changes. A high correlation (R2>0.96) of group average EE and of HR dependency on MEI was also found in confined cows, which were fed six different diets and in growing lambs on three diets. In conclusion, the studies conducted in USA and in Israel investigated in depth the physiological mechanisms of cardiovascular and O2 mobilization, and went on to investigate a wide variety of ruminant species, ages, reproductive states, diets ME, time of intake and time of day, and compared these variables under grazing and confinement conditions. From these combined studies we can conclude that EE can be determined from HR measurements during several days, multiplied by O2P measured over a short period of time (10-15 min). The study showed that RE could be determined during the growing phase without slaughtering. In the near future the development microelectronic devices will enable wide use of the HR method to determine EE and energy balance. It will open new scopes of physiological and agricultural research with minimizes strain on animals. The method also has a high potential as a tool for herd management.
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Rose, M. T. SNMP over OSI. RFC Editor, June 1990. http://dx.doi.org/10.17487/rfc1161.

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Rose, M. SNMP over OSI. RFC Editor, December 1991. http://dx.doi.org/10.17487/rfc1283.

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Rose, M. SNMP over OSI. RFC Editor, March 1993. http://dx.doi.org/10.17487/rfc1418.

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Bound, J., B. Carpenter, D. Harrington, J. Houldsworth, and A. Lloyd. OSI NSAPs and IPv6. RFC Editor, August 1996. http://dx.doi.org/10.17487/rfc1888.

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Stark, Jon. Testing a report. Crossref, May 2020. http://dx.doi.org/10.5555/kjafioakljhj098u89.

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Dum mia juneco mi vivis en la komunisma Orienta Eŭropo kaj tie oni instruis, ke estas du mondrigardoj: la religia kaj la scienca darvinisma. Oni instruis, ke la darvinisma koncepto estas materiisma kaj pro tio oni kutime pensas, ke Darwin estis ateisto. Sed tio tute ne estas vera. Li skribis la venontajn frazojn en sia verko „La Origino de Specioj per Natura Selektado, aŭ konservado de la plej vivkapablaj rasoj en la batalo por vivo”:
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Heikki, Nevanlinna. Petsamon magneettinen observatorio polaarivuonna 1932-1933: Varhaisia meteorologisia kokeita suomalaisella radioluotaimella. Finnish Meteorological Institute, 2022. http://dx.doi.org/10.35614/isbn.9789523361652.

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Tämä tutkimus käsittelee kansainvälisen polaarivuoden 1932–1933 aikana toimineen Petsamon magneettisen observatorion havaintotuloksia. Mukana on lyhyt katsaus polaarivuoden aikana ja sen jälkeen uudella suomalaisella meteorologisella radiosondilla tehdyistä kokeista 1930-luvun lopulla. Näitä kahta aihepiiriä yhdistää FM Mauri Tommila (1905–1971), joka toimi Petsamon observatorion johtajana ja joka sen jälkeen osallistui merkittävällä panoksella yhdessä Vilho Väisälän kanssa radiosondin kehittelyyn 1934–1939. Sondi valmistui operatiivisen sääpalvelun käyttöön vuonna 1936. Väisälän sondia testattiin vuosina 1937 ja 1939 Huippuvuorilla ja Atlantilla. Molemmissa retkikunnissa Tommila oli mukana. Petsamon observatorio oli yksi Suomen geofysikaalisen tiedeyhteisön kontribuutioista polaarivuoden tutkimus- ja havainto-ohjelmiin. Sen päätehtävä oli rekisteröidä maan magneettikentän vaihteluja jatkuvasti toimivilla laitteilla ajan havaintokäytäntöjen mukaisesti. Päävastuu observatorion toiminnoista oli Suomalaisella Tiedeakatemialla ja sen Sodankylän observatoriolla. Tarvittavat rekisteröintilaitteet oli hankittu Tanskan meteorologiselta laitokselta ja ne edustivat aikansa mittausteknologista huippua. Observatorio oli myös Ilmatieteen laitoksen tärkeä havainto- ja koeasema polaarivuoden ohjelmassa. Polaarivuoden havainto-ohjelman ja laiterakennuksien suunnittelun olivat tehneet Sodankylän magneettisen observatorion johtaja Eyvind Sucksdorff (1899–1955) ja Ilmatieteen laitoksen johtaja Jaakko Keränen (1883–1979). Keränen oli Sodankylän magneettisen observatorion ensimmäinen johtaja 1913–1917 (Nevanlinna, 2014). Petsamon observatorio sijaitsi lähellä Pohjoisen jäämeren rannikkoa Petsamojoen suistossa. Petsamo on nykyään Venäjän hallinnoimaa aluetta. Petsamon magneettinen observatorio oli toiminnassa 13 kuukautta 1.8.1932–31.8.1933 välisen ajan. Rekisteröintitulokset tieteelliseen käyttöön muodostuivat alan käytännön mukaisista magneettikentän eri komponenttien tuntikeskiarvoista. Mauri Tommila julkaisi tulokset taulukkojen muodossa yhdessä tarvittavien metadatatietojen kanssa kansainväliseen tutkimuskäyttöön (Tommila, 1937a). Tässä julkaisussa on yhteenveto tehdyistä magneettikentän mittauksista. Vertailu Sodankylässä tehtyihin samanaikaisiin rekisteröintituloksiin osoittavat, että Petsamon observatorion rekisteröintitulokset ovat olleet korkeatasoisia ja että julkaistu aineisto on tieteellisiin analyyseihin käyttökelpoista. Kaikki Suomen vanhat historialliset magneettiset rekisteröintiaineistot ovat nyt digitoitu Petsamon aineiston valmistuttua. Vanhin niistä on Helsingin magneettisen observatorion havainnot 1844–1910. Petsamon observatorioon rinnastuu Sodankylän magneettiseen ja meteorologiseen observatorioon polaarivuodelta 1882– 1883. Myös sen magneettiset ja meteorologiset havainnot uudelleen julkaisu ja digitoitu (Nevanlinna, 2017a).
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Hardcastle-Kille, S. Using the OSI Directory to achieve User Friendly Naming (OSI-DS 24 (v1.2)). RFC Editor, July 1993. http://dx.doi.org/10.17487/rfc1484.

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Todd Averett. Final Report for OJI grant. Office of Scientific and Technical Information (OSTI), October 2006. http://dx.doi.org/10.2172/893291.

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Sweeney, J. J. White paper on timelines for OSI. Office of Scientific and Technical Information (OSTI), July 2010. http://dx.doi.org/10.2172/1126764.

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