Academic literature on the topic 'N. Berg'
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Journal articles on the topic "N. Berg"
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SANBORN, ALLEN F. "The cicadas (Hemiptera: Cicadidae) of Bolivia including the descriptions of fifteen new species, the resurrection of one genus and two species, seven new combinations, six new synonymies, and twenty-eight new records." Zootaxa 4655, no. 1 (August 12, 2019): 1–104. http://dx.doi.org/10.11646/zootaxa.4655.1.1.
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The known cicada fauna of Bolivia is identified. Adusella Haupt, 1918 rev. stat. is resurrected and redescribed being elevated from junior synonym status with Odopoea Stål, 1861. Edholmbergi Delétang, 1919 rev. stat, n. syn. is elevated from junior synonymy of Odopoea and synonymized with Adusella rev. stat. Adusella insignifera (Berg, 1879) n. comb., Adusella signata Haupt, 1918 n. comb., and Adusella venturii (Distant, 1906c) n. comb. are transferred or returned to Adusella rev. stat. Carineta bilineosa Walker 1858b rev. stat., Carineta obtusa Walker 1858b rev. stat., Carineta tenuistriga Walker 1858c rev. stat. and Carineta diplographa Berg 1879 rev. stat. are removed from junior synonymy with Carineta fasciculata (Germar, 1821). Carineta obtusa rev. stat., n. syn., Carineta tenuistriga rev. stat., n. syn. and Carineta diplographa Berg 1879 rev. stat., n. syn. are considered junior synonyms of Carineta bilineosa rev. stat. Carineta limpida Torres 1948a n. syn. is shown to be a junior synonym of Carineta fasciculata. Carineta turbida Jacobi, 1907 is transferred to the genus Herrera Distant, 1905c to become Herrera turbida (Jacobi, 1907) n. comb. The genera Diceroprocta Stål, 1870, Orialella Metcalf, 1952, Quesada Distant, 1905c, and Nosola Stål, 1866a are assigned to the Guyalnina Boulard & Martinelli, 1996 within the Fidicinini Distant, 1905d. Tympanoterpes virgulata n. sp., Cracenpsaltria nana n. sp., Guyalna dasyeia n. sp., Guyalna fasciata n. sp., Guyalna polypaga n. sp., Parnisa santacruzensis n. sp., Carineta ensifera n. sp., Carineta hamata n. sp., Carineta pictilis n. sp., Carineta uncinata n. sp., Herrera concolor n. sp., Herrera freiae n. sp., Herrera melanomesocranon n. sp., Herrera phyllodes n. sp., and Herrera signifera n. sp. are described as new. The first records of Adusella insignifera (Berg, 1879) n. comb., Adusella venturii (Distant, 1906c) n. comb., Fidicina christinae Boulard & Martinelli, 1996, Fidicina ethelae (Goding, 1925), Fidicina robini Boulard & Martinelli 1996, Fidicinoides descampsi Boulard & Martinelli, 1996, Fidicinoides pauliensis Boulard & Martinelli, 1996, Fidicinoides sucinalae Boulard & Martinelli, 1996, Proarna alalonga Sanborn & Heath, 2014, Proarna bergi (Distant, 1892a), Proarna grisea (Fabricius, 1775), Proarna guttulosa (Walker, 1858b), Proarna insignis Distant, 1881a, Proarna strigicollis Jacobi, 1907, Guyalna distanti (Goding, 1925) Guyalna glauca (Goding, 1925), Guyalna platyrhina Sanborn & Heath, 2014, Guyalna viridifemur (Walker, 1850), Majeorona lutea Distant, 1906d, Carineta bilineosa Walker 1858b rev. stat., Carineta cearana Distant, 1906c, Carineta detoulgoueti Champanhet, 2001, Carineta doxiptera Walker, 1858a, Carineta maculosa Torres, 1948a, Carineta pilifera Walker, 1858c, Carineta rufescens (Fabricius, 1803), Carineta tetraspila Jacobi, 1907, and Herrera turbida (Jacobi, 1907) n. comb. are provided. The records for Adusella insignifera (Berg, 1879) n. comb. and Adusella venturii (Distant, 1906c) n. comb. are the first records of the tribe Zammarini Distant, 1905b, subtribe Zammarina Distant, 1905a, and genus Adusella, Tympanoterpes virgulata n. sp. is the first record of the genus Tympanoterpes Stål, 1861, Majeorona lutea Distant, 1906d is the first record for the genus Majeorona Distant, 1905d, Parnisa santacruzensis n. sp. is the first record of the genus Parnisa Stål, 1862a for Bolivia, specimens in the type series of Cracenpsaltria nana n. sp. represent the first record of the genus Cracenpsaltria Sanborn, 2016c in Ecuador, and the specimens of Herrera concolor n. sp., Herrera freiae n. sp., Herrera melanomesocranon n. sp., Herrera phyllodes n. sp., and Herrera signifera n. sp., and Herrera turbida (Jacobi, 1907) n. comb. and the new combinations to the genus are the first records of the genus Herrera Distant, 1905c for Bolivia, Brazil, French Guiana, and Peru. New records are provided to expand the ranges of Proarna alalonga Sanborn & Heath, 2014 and Carineta gemella to include Paraguay, the range of Dorisiana noriegai Sanborn & Heath, 2014 to include Paraguay and French Guiana, the range of Guyalna platyrhina to include Brazil, and the range of Carineta cearana to include Colombia. Previous records of Proarna bufo Distant, 1905d and Carineta fasciculata (Germar, 1821) are considered to be misidentifications P. bergi (Distant, 1892a) and Carineta bilineosa Walker 1858b rev. stat. so that P. bufo and C. fasciculata are removed from the cicada fauna of Bolivia as is Hemisciera maculipennis (de Laporte, 1832) which is shown to have been mistakenly attributed to Bolivia and Argentina. The non-Bolivian Carineta criqualicae Boulard 1986a, Carineta guianaensis Sanborn, 2011a, Carineta quinimaculata Sanborn, 2011a, and Carineta tigrina Boulard 1986a are reassigned to the genus Herrera to become Herrera criqualicae (Boulard, 1986a) n. comb., Herrera guianaensis (Sanborn, 2011a) n. comb., Herrera quinimaculata (Sanborn, 2011a) n. comb., and Herrera tigrina (Boulard, 1986a) n. comb., respectively. A discussion on the species status of Carineta fasciculata (Germar, 1821) is provided to clarify the taxon along with the new synonymy. The currently known Bolivian cicada fauna is comprised of 83 described species from 21 genera, seven tribes and three subfamilies with the new records and new species presented here increasing the known fauna by 107.5%.
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Pereira, Fernando Vieira, Fabricio Ferreira de Oliveira, Rodrigo Rizek Schultz, and Paulo Henrique Ferreira Bertolucci. "Balance impairment does not necessarily coexist with gait apraxia in mild and moderate Alzheimer’s disease." Arquivos de Neuro-Psiquiatria 74, no. 6 (June 2016): 450–55. http://dx.doi.org/10.1590/0004-282x20160063.
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ABSTRACT Currently, there are no studies reporting how much balance impairment coexists with gait apraxia in mild and moderate Alzheimer’s disease (AD). Objectives To assess correlations among gait apraxia, balance impairment and cognitive performance in mild (AD1, n = 30) and moderate (AD2, n = 30) AD. Method The following evaluations were undertaken: gait apraxia (Assessment Walking Skills); balance performance (Berg Balance Scale); Clinical Dementia Rating and Mini-mental State Examination (MMSE). Results While disregarding AD subgroups, Berg Balance Scale and the MMSE correlated significantly with Assessment Walking Skills and 23% of all subjects scored below its cut-off. After stratification, Berg Balance Scale correlated significantly with Assessment Walking Skills in both AD subgroups, and with the MMSE only in AD1. Conclusions Balance impairment does not necessarily coexist with gait apraxia. Gait apraxia is more prevalent in moderate AD when compared with mild AD.
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Ghasemi, Mehdi, Murray Marshall, and Sven Wagner. "Closure of the Cone of Sums of 2d-powers in Certain Weighted ℓ1-seminorm Topologies." Canadian Mathematical Bulletin 57, no. 2 (June 14, 2014): 289–302. http://dx.doi.org/10.4153/cmb-2012-043-9.
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AbstractIn a paper from 1976, Berg, Christensen, and Ressel prove that the closure of the cone of sums of squares in the polynomial ring in the topology induced by the ℓ1-norm is equal to Pos([–1; 1]n), the cone consisting of all polynomials that are non-negative on the hypercube [–1,1]n. The result is deduced as a corollary of a general result, established in the same paper, which is valid for any commutative semigroup. In later work, Berg and Maserick and Berg, Christensen, and Ressel establish an even more general result, for a commutative semigroup with involution, for the closure of the cone of sums of squares of symmetric elements in the weighted -seminorm topology associated with an absolute value. In this paper we give a new proof of these results, which is based on Jacobi’s representation theoremfrom2001. At the same time, we use Jacobi’s representation theorem to extend these results from sums of squares to sums of 2d-powers, proving, in particular, that for any integer d ≥ 1, the closure of the cone of sums of 2d-powers in the topology induced by the -norm is equal to Pos([–1; 1]n).
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Santo, Adriana de Sousa do Espírito, Pamela Cristina Mango, Ana Assumpção, Juliana Ferreira Sauer, and Amélia Pasqual Marques. "Fibromyalgia: is there association between balance and pain? a pilot study." Fisioterapia e Pesquisa 21, no. 1 (March 2014): 27–33. http://dx.doi.org/10.1590/1809-2950/341210114.
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Studies of balance and risk factors for falling typically focus on the elderly population or on individuals with musculoskeletal pain. Although fibromyalgia is associated with intrinsic factors that predispose to falls (pain, depression, fatigue), few studies have researched balance and falls in this syndrome. The aim of this study was to verify the association between balance, balance self-efficacy and pain in women with and without fibromyalgia, and verify the association between Berg Balance Scale and Activities-specific Balance Confidence Scale (ABC Scale). The sample consisted of 48 women aged between 40 and 59 years, divided into two groups: Fibromyalgia group (n=22) and Control group (n=26) with asymptomatic people. Balance was assessed by Berg Balance Scale, balance self-efficacy by the ABC Scale and pain by the visual analog scale. Mean scores for pain, Berg and ABC Scale were 5.4 cm (SD 2.6), 55 (interquartile range 54-56), and 54.6 (SD 26.6) respectively for Fibromyalgia group, and 0 cm, 56 (interquartile range 55-56), and 89.4 (SD 14.4) respectively for Control group. Statistically significant differences were found in balance on comparing both groups (p=0.000 for Berg Balance Scale and 0.009 for ABC Scale) with lower values for Fibromyalgia group. In Fibromyalgia group, pain was negatively correlated with balance (r=-0.48, p=0.020) and balance self-efficacy (rs=-0.56, p=0.006). Correlation between Berg Balance Scale and ABC Scale was found only in the Fibromyalgia group (rs =0.55, p=0.007). There are associations between poor balance and pain, and poor balance and decreased balance self-efficacy in women with fibromyalgia. There is an association between scales in the Fibromyalgia group.
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Pimentel, Renata Martins, and Marcos Eduardo Scheicher. "Comparação do risco de queda em idosos sedentários e ativos por meio da escala de equilíbrio de Berg." Fisioterapia e Pesquisa 16, no. 1 (March 2009): 6–10. http://dx.doi.org/10.1590/s1809-29502009000100002.
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O envelhecimento da população é um fenômeno mundial, do qual o Brasil apresenta um dos mais agudos processos. A prática regular de exercícios por idosos pode melhorar a capacidade física, proporcionar ganho de auto-estima e confiança, contribuindo para diminuição do risco de quedas, comuns em idosos. Este estudo visou comparar o risco de quedas entre idosos sedentários e ativos, verificando como a prática de exercício físico se reflete no desempenho dos sujeitos na escala de Berg. Foram avaliados por esse instrumento 70 idosos, divididos em 2 grupos: sedentários (n=35) e ativos (n=35). Os escores médios na escala de Berg dos grupos sedentário e ativo foram 47,7±5,6 pontos e 53,6±3,7, respectivamente (p<0,0001). A análise dos escores evidenciou que o grupo sedentário apresentou 15,6 vezes mais risco de quedas do que o grupo ativo (p=0,002). O desempenho na escala de Berg foi pior no grupo sedentário do que no ativo, sugerindo que a prática regular de atividades físicas pode interferir nesse desempenho e que os sujeitos ativos têm menor risco de queda.
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Matejíčka, Ladislav. "On a Conjecture of Alzer, Berg, and Koumandos." Mathematics 8, no. 6 (June 23, 2020): 1031. http://dx.doi.org/10.3390/math8061031.
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In this paper, we find a solution of an open problem posed by Alzer, Berg, and Koumandos: determine ( α , m ) ∈ R + × N such that the function x α | ψ ( m ) ( x ) | is completely monotonic on ( 0 , ∞ ) , where ψ ( x ) denotes the logarithmic derivative of Euler’s gamma function.
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Yastrebtseva, Irina P., Vadim D. Daminov, Lydia Yu Deryabkina, Svetlana V. Vyalkova, and Ksenia V. Makshantsevа. "Remote Rehabilitation of Patients with Impaired Motor Functions in Cerebral Pathology." Bulletin of Rehabilitation Medicine 20, no. 1 (February 26, 2021): 45–50. http://dx.doi.org/10.38025/2078-1962-2021-20-1-45-50.
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Introduction. After passing the inpatient rehabilitation program, patients often experience a regression of the results achieved due to the low activity of outpatient rehabilitation. The solution to this problem is the introduction of remote rehabilitation programs. Purpose. To analyze the results of remote patients’ rehabilitation with impaired motor functions in cerebral stroke using Steps Reabil software. Material and methods. 32 patients with stroke were examined at the ISMA clinic. They were randomly assigned to a group of patients who continued a remote course of kinesotherapy using the Steps Reabil program for 3 months. (Steps Reabil group, n = 14) and to the group of people who received recommendations on therapeutic exercises for homework and were not appealing to this software (comparison group, n = 18). At the time of discharge, 1 and 3 months into, the capabilities were evaluated according to the Frenchay, «Stand up and go» tests, the Rivermead mobility index and Hauser Ambulation Index, the Berg Balance Scale, and the EuroQol-5D quality of life questionnaire. Results. When comparing the initial results in the study groups, a statistically significant difference was found between the indicators on the Berg Balance Scale (the indicators were lower in the Steps Rehabil group), but the differences were leveled out after 3 months. When comparing the results in the Steps Reabil group at discharge and after 3 months, there was an improvement as of the Berg Balance Scale, the Rivermead mobility index and the Hauser Ambulation Index, and the Frenchay arm test. In the comparison group, from the moment of discharge and 3 months into, the results on the Berg Balance Scale improved (p <0.05). Conclusion. The functioning of patients who continued rehabilitation kinesiotherapeutic measures using modern information technologies continues to improve effectively in everyday life. Remote rehabilitation for 3 months is much more effective than short-term monthly, which indicates the need for continuous controlled rehabilitation measures. The Berg Balance Scale is especially sensitive in assessing the functional capabilities of patients.
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CIANFERONI, FABIO, and FILIPPO MARIA BUZZETTI. "The genus Hydrometra Latreille in Ecuador with description of a new species (Hemiptera: Heteroptera: Gerromorpha: Hydrometridae)." Zootaxa 3274, no. 1 (April 20, 2012): 55. http://dx.doi.org/10.11646/zootaxa.3274.1.6.
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Hydrometra argentina Berg is reported for Ecuador for the first time. H. aequatoriana n. sp. is described from westernAndean Ecuador. Male terminalia separate this species from other congeneric species. Four species of Hydrometra arenow known to occur in Ecuador: H. argentina, Hydrometra caraiba Guérin-Méneville, Hydrometra williamsi Hungerford & Evans and H. aequatoriana n. sp.
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LENICOV, ANA M. MARINO DE REMES, and M. EUGENIA BRENTASSI. "New taxa and combinations in Neotropical Delphacini (Hemiptera: Fulgoroidea)." Zootaxa 4281, no. 1 (June 22, 2017): 280. http://dx.doi.org/10.11646/zootaxa.4281.1.26.
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A new South American genus of Delphacini (Hemiptera: Fulgoromorpha: Delphacidae), Neodelphax n. gen., is described. It includes a new species, N. sakakibarai sp. n., which is described herein, and two species that are removed from the genus Dicranotropis. All of them are illustrated. Supplementary descriptions of female N. fuscoterminata (Berg) comb. n. and N. acheron (Fennah) comb. n., including some new records and host plant associations are added. A preliminary key for males and females of South American species of Neodelphax with representative illustrations is also provided.
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Zacca, Thamara, Olaf H. H. Mielke, Tomasz W. Pyrcz, Fernando M. S. Dias, Mirna M. Casagrande, and Pierre Boyer. "Systematics of the Neotropical genus Pampasatyrus (Lepidoptera: Satyrinae: Pronophilina), with description of three new taxa." Insect Systematics & Evolution 48, no. 3 (June 13, 2017): 201–55. http://dx.doi.org/10.1163/1876312x-48022154.
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The first cladistic analysis of the genus Pampasatyrus Hayward, 1953 is presented based on morphological evidence. The monophyly of Pampasatyrus is corroborated with previous molecular hypothesis, and supported by two synapomorphies and six homoplastic characters. Haywardella Herrera, 1966 stat. rest. is recovered as sister group of Pampasatyrus, and both are closely related to a clade composed by Argyrophorus Blanchard, 1852, Etcheverrius Herrera, 1965 and Quilaphoethosus Herrera, 1966. Furthermore, three new subspecies are described: Pampasatyrus gyrtone biezankoi Zacca, Pyrcz, Mielke & Casagrande, ssp. n. from southern Brazil, Pampasatyrus reticulata gagarini Zacca, Pyrcz, Mielke & Casagrande, ssp. n. from São Paulo and Rio de Janeiro, Brazil, and Pampasatyrus glaucope eberti Pyrcz & Zacca, ssp. n. from São Paulo, Brazil. Neotypes to Faunula johanna Weymer, 1911 and Neomaenas reticulata Weymer, 1907 are herein designated. Lectotypes to Epinephele gyrtone Berg, 1877, Cosmosatyrus nilesi Weeks, 1902, Epinephele friedenreichi Staudinger, 1888 and Satyrus quies Berg, 1877 are also designated. A catalogue, diagnosis, illustrations, photos and distributional maps are provided for all the taxa, including an identification key.
Dissertations / Theses on the topic "N. Berg"
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Van, den Berg Maria. "Die konsep Standaardafrikaans : 'n kritiese oorsig en 'n Hallidayaanse perspektief / M. van den Berg." Thesis, Potchefstroom University for Christian Higher Education, 2000. http://hdl.handle.net/10394/3806.
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Muller, Willem H. B. "'n Prakties-teologiese ondersoek na die konflik in die transformasieproses in die Nederduits Gereformeerde Gemeente Op-die-berg." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80030.
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Thesis (MTh)--Stellenbosch University, 2013.ENGLISH ABSTRACT: The purpose of the study is to gain clarity on the conflict that occurs around the minister in the congregation. The following questions will be asked: Why did the conflict occur, what caused it and how was this conflict handled? If there was a better understanding of the cause of the conflict, it can be better managed in the future. The following research question is formulated: What were the biggest hurdles in the missional transformation process in the Dutch Reformed Congregation Op-die-Berg en how was this unlocked? The notion of members of what the essence of the essence and being of the church is and what they expect of the minister play a very important part in the changing context in which the congregation try to discover her missional vocation and actually live missionally. For the purpose of the study the work was done within the field of practical theology on the basis of Richard Osmer’s (2008) model of practical theology. He explored four questions that guided our interpretation and our response to the situation. The four questions are: What is going on? Why is this going on? What ought to be going on? How might we respond? Answering these questions is the four tasks of practical theological interpretation. These tasks are: The descriptive-empirical task; gathering information that help us discern patterns and dynamics in particular situations and contexts. The interpretive task; drawing on theories of the arts and sciences to have a better understanding of and explain why these patterns and dynamics are occurring. The normative task; using theological concepts to interpret particular situations and constructing ethical norms to guide our responses. The pragmatic task: determining strategies of action that will influence situations in ways that are desirable and entering into a reflective conversation. Together, these four tasks constitute the basic structure of practical theological interpretation. A metaphor to describe this process will be that of a spiral and not a circle. Chapters two to six is a discussion of these questions en tasks. The hermeneutical lens of the research is the question of the missio Dei and the role of the Trinitarian God in the transformation process. The research want to help members to answer the question: How might we respond? Thus, they will be able to understand the four questions of Osmer, but will also be able to live with spiritual discernment. The study describes a paradigm shift which the congregation experienced during the past twenty years. The influence of the Christendom paradigm as well as the influence of the business model of running an organization, in which most of the members operate, is challenged by the theology that developed from the missio Dei and the Trinity concepts. The study described the process in a rural community which changed its identity and culture. The influence of the ever-changing context was discussed. Postmodern society challenged the influence of patriarchy. The community and its relationships form the backdrop in the research. This study shows that transformation can’t happen if the minister is not willing to be transformed. The practice of faith-forming habits played an important role. Leadership had to lead through spiritual discernment. The changes that happened doesn’t happen because of a program, but is discovered on a journey of spiritual discernment.
AFRIKAANSE OPSOMMING: Die doel van die studie is om helderheid te verkry oor die konflik wat in die gemeente rondom die persoon van die leraar ontstaan het. Wat het daartoe aanleiding gegee en hoe is dit ontlont? As die faktore wat daartoe aanleiding gegee het, beter verstaan kan word, kan dit ook in die toekoms beter hanteer word. Die volgende navorsingsvraag is geformuleer: Wat was die moeilikste hekkies in die missionale transformasieproses in die Nederduitse Gereformeerde Gemeente Op-die-Berg en hoe is dit ontsluit? Lidmate se kerkbegrip en die rolverwagting van die leraar speel ʼn wesentlike rol in ʼn veranderende konteks waarin die gemeente strewe om sy missie nie net te ontdek nie maar ook uit te leef. Dit is ʼn prakties teologiese studie aan die hand van Richard Osmer (2008) se model waarin vier vrae gevra word. Osmer het vier vrae ontwikkel wat ons interpretasie en reaksie op die situasie begelei. Die vier vrae is: Wat is aan die gebeur? Hoekom gebeur dit? Wat behoort te gebeur? Hoe behoort ons daarop te reageer? Om hierdie vier vrae te beantwoord, is die basis van prakties teologiese interpretasie. Die take wat voortvloei uit die vrae kan as volg beskryf word. Die deskriptief-empiriese taak: Hierdie taak behels die insameling van inligting sodat patrone en dinamika in gegewe situasies en kontekste geëvalueer kan word. Die interpretasie-taak: Die taak behels om deur middel van wetenskaplike metodes en teorieë beter te verstaan en te kan verduidelik waarom die spesifieke patrone en dinamika na vore kom. Die normatiewe taak is om met die hulp van teologiese konsepte die praktiese situasie te interpreteer. Etiese norme word daar gestel om die respons te begelei. Die pragmatiese taak ontwikkel strategieë wat die situasie positief sal beïnvloed en om oop reflekterende gesprek moontlik te maak. Die dinamiese interaksie en invloed van bogenoemde take op mekaar, ( vergelyk dit met die werking van ʼn spiraal in teestelling met die van ʼn sirkel), onderskei praktiese teologie van ander wetenskaplike navorsing. Veral die normatiewe en pragmatiese take is tot die wese van praktiese teologie. Die vier vrae en take word in hoofstuk twee tot ses bespreek. Die hermeneutiese lens van die navorsing, is die vraag na die missio Dei en die rol wat ʼn Trinitariese Godsbegrip in ʼn transformasieproses speel. Die studie wil lidmate help om die vraag te beantwoord: Hoe behoort ons te reageer op die situasie? Lidmate kry nie net in die studie ʼn verstaan van die vrae van Osmer nie, maar veral hoe om geloofonderskeidend in ʼn klein gemeente te lewe. Die studie beskryf die paradigmaskuif waardeur die gemeente van Op-die-Berg die afgelope twintig jaar beweeg het. Die invloed of houvas van die Christendom paradigma asook die uitwerking van die besigheidsmodel waarbinne meeste lidmate opereer, is uitgedaag deur ʼn nuwe verstaan van die missio Dei en die Triniteit. Die studie beskyf die proses en stryd wat ʼn klein plattelandse gemeente deurloop het tydens die skuif in identiteit en kultuur. Die invloed van die konteks word ook deeglik bespreek. Mens kan ook sê dat die postmoderne samelewing implikasies het vir patriargale sisteme. Die studie toon aan hoe sodanige verskuiwings baie van die predikant vra en dat dit net kan gebeur as die geestelike leiers van die gemeente leer om geloofonderskeidend te leef, veral deur die beoefening van geloofsgewoontes. Die gemeenskap en die onderlinge verhoudinge (koinonia) is die hele tyd op die spel. Die verandering wat gebeur het, is nie deur ʼn geïmplementeerde program bewerk nie, maar is op ʼn geloofsonderskeidende reis ontdek.
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Roy, Tamoghna. "BER Modeling for Interference Canceling Adaptive NLMS Equalizer." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/78055.
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Adaptive LMS equalizers are widely used in digital communication systems for their simplicity in implementation. Conventional adaptive filtering theory suggests the upper bound of the performance of such equalizer is determined by the performance of a Wiener filter of the same structure. However, in the presence of a narrowband interferer the performance of the LMS equalizer is better than that of its Wiener counterpart. This phenomenon, termed a non-Wiener effect, has been observed before and substantial work has been done in explaining the underlying reasons. In this work, we focus on the Bit Error Rate (BER) performance of LMS equalizers.
At first a model – the Gaussian Mixture (GM) model – is presented to estimate the BER performance of a Wiener filter operating in an environment dominated by a narrowband interferer. Simulation results show that the model predicts BER accurately for a wide range of SNR, ISR, and equalizer length. Next, a model similar to GM termed the Gaussian Mixture using Steady State Weights (GMSSW) model is proposed to model the BER behavior of the adaptive NLMS equalizer. Simulation results show unsatisfactory performance of the model. A detailed discussion is presented that points out the limitations of the GMSSW model, thereby providing some insight into the non-Wiener behavior of (N)LMS equalizers. An improved model, the Gaussian with Mean Square Error (GMSE), is then proposed. Simulation results show that the GMSE model is able to model the non-Wiener characteristics of the NLMS equalizer when the normalized step size is between 0 and 0.4. A brief discussion is provided on why the model is inaccurate for larger step sizes.Master of Science
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Johansen, Jan-Birger. ""Du berga livet på kar`n" : mellom-menneskelige relasjoner mellom lærer og elev i dagens skole." Doctoral thesis, Luleå tekniska universitet, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16812.
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The research focuses on the value of the teacher´s competence for students with deficiency of motivation for learning and development. A teacher’s socio-emotional competence may give these students energy to seize their own future and contribute to positive personal development for themselves. This research contributes to the understanding of the content of the social inter-action between teacher and student. Relations that develop have significance for the student’s development and growth. Main topics in this connection are: How important is human inter-action between teacher and student as a basic condition for learning and development? What encourages and what obstructs positive inter-action between teacher and student? Are teachers and school-leaders conscious of the positive inter-action and how does this express itself? Finally one may ask the question: Can guidelines be developed for the practice and understanding of positive inter-action? Knowledge and understanding is based on the use of different scientific methods. In essence the use of method is qualitative in a retrospective perspective. The qualitative investigations have both been individual and collective/group based. Students, teachers and school-leaders who participated in the research were my collaboraters associated with a certain schoolclass during the years 1976 – 1980. The individual part has consisted of experiences and acts written down in journals or “books of retrospection”. The collective or group-based part is attached to a seminar were the participants have been gathered in order to reflect upon their common experiences from this particular period of their school days. The result of these group-based investigations have been compared with the content of my journals. Examinations with a broader scope have been carried out to detect trends in the content of relations between adults and young people in today’s society both at school and during spare time. The empirical data give reasons to discuss the social inter-active learning- and developing-perspective. In this discussion the significance of human inter-action between teacher and student is closely attached to kognitive- and social competence. Essential in this regard is knowledge of what kind of actions encourage or obstruct the development of the processes that result in personal growth or recognition/acknowledgement, and how significant these processes are as a basis for the kognitive learning. The results show that many students have a need for untraditional structures in relation to their own development. Modification of behaviour often occurs in connection to emotional learning, in situations where psychodynamic surplus and motivation for kognitive development and growth is created. The teacher has to make an effort to find the students “home ground” through careful observations and spontanious actions in his/her encounter with the student. Through a joint adventure/stay on the student’s arena, opportunities for insight into important values for meaningful, constructive and confluent didactic processes can be created. This type of inter-action often creates a break from traditional structures in school. The results of the investigations in this thesis suggest a great significance for the processes involving positive inter-action between teacher and student and therefore gives these processes great attention. This thesis defines the untraditional as a form of necessary nonstructure where the consequencies of our social actions in a learning perspective is central.Godkänd; 2000; 20061116 (haneit)
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Roy, Tamoghna. "Non-Wiener Characteristics of LMS Adaptive Equalizers: A Bit Error Rate Perspective." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/92869.
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Adaptive Least Mean Square (LMS) equalizers are widely used in digital communication systems primarily for their ease of implementation and lack of dependence on a priori knowledge of input signal statistics. LMS equalizers exhibit non-Wiener characteristics in the presence of a strong narrowband interference and can outperform the optimal Wiener equalizer in terms of both mean square error (MSE) and bit error rate (BER). There has been significant work in the past related to the analysis of the non-Wiener characteristics of the LMS equalizer, which includes the discovery of the shift in the mean of the LMS weights from the corresponding Wiener weights and the modeling of steady state MSE performance. BER performance is ultimately a more practically relevant metric than MSE for characterizing system performance. The present work focuses on modeling the steady state BER performance of the normalized LMS (NLMS) equalizer operating in the presence of a strong narrowband interference.
Initial observations showed that a 2 dB improvement in MSE may result in two orders of magnitude improvement in BER. However, some differences in the MSE and BER behavior of the NLMS equalizer were also seen, most notably the significant dependence (one order of magnitude variation) of the BER behavior on the interference frequency, a dependence not seen in MSE. Thus, MSE cannot be used as a predictor for the BER performance; the latter further motivates the pursuit of a separate BER model.
The primary contribution of this work is the derivation of the probability density of the output of the NLMS equalizer conditioned on a particular symbol having been transmitted, which can then be leveraged to predict its BER performance. The analysis of the NLMS equalizer, operating in a strong narrowband interference environment, resulted in a conditional probability density function in the form of a Gaussian Sum Mixture (GSM). Simulation results verify the efficacy of the GSM expression for a wide range of system parameters, such as signal-to-noise ratio (SNR), interference-to-signal (ISR) ratio, interference frequency, and step-sizes over the range of mean-square stable operation of NLMS. Additionally, a low complexity approximate version of the GSM model is also derived and can be used to give a conservative lower bound on BER performance.
A thorough analysis of the MSE and BER behavior of the Bi-scale NLMS equalizer (BNLMS), a variant of the NLMS equalizer, constitutes another important contribution of this work. Prior results indicated a 2 dB MSE improvement of BNLMS over NLMS in the presence of a strong narrowband interference. A closed form MSE model is derived for the BLMS algorithm. Additionally, BNLMS BER behavior was studied and showed the potential of two orders of magnitude improvement over NLMS. Analysis led to a BER model in the form of a GSM similar to the NLMS case but with different parameters. Simulation results verified that both models for MSE and BER provided accurate prediction of system performance for different combinations of SNR, ISR, interference frequency, and step-size.
An enhanced GSM (EGSM) model to predict the BER performance for the NLMS equalizer is also introduced, specifically to address certain cases (low ISR cases) where the original GSM expression (derived for high ISR) was less accurate. Simulation results show that the EGSM model is more accurate in the low ISR region than the GSM expression. For the situations where the derived GSM expression was accurate, the BER estimates provided by the heuristic EGSM model coincided with those computed from the GSM expression.
Finally, the two-interferer problem is introduced, where NLMS equalizer performance is studied in the presence of two narrowband interferers. Initial results show the presence of non-Wiener characteristics for the two-interferer case. Additionally, experimental results indicate that the BER performance of the NLMS equalizer operating in the presence of a single narrowband interferer may be improved by purposeful injection of a second narrowband interferer.PHD
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Strauß, Micha Johannes [Verfasser], Alfred [Gutachter] Forchel, and Bert [Gutachter] Hecht. "Molekularstrahlepitaxie von niederdimensionalen GaInAs(N) Systemen für AlGaAs Mikroresonatoren / Micha Johannes Strauß ; Gutachter: Alfred Forchel, Bert Hecht." Würzburg : Universität Würzburg, 2018. http://d-nb.info/115572321X/34.
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Silva, Ana Carmem do Nascimento. "O Brasil n o ber?o da desigualdade: uma abordagem anal?tica sobre os significados das fotografias de Sebasti?o Salgado." Universidade Federal do Rio Grande do Norte, 2014. http://repositorio.ufrn.br:8080/jspui/handle/123456789/16420.
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Previous issue date: 2014-01-31Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior
Analisam-se as oito fotografias produzidas no Brasil, componentes da obra O ber?o da desigualdade (2009), cuja autoria ? de Sebasti?o Salgado (imagens e legendas) e Cristovam Buarque (textos po?ticos), buscando apresentar possibilidades interpretativas de signos mediadores de problem?ticas sociais. Al?m das fotografias, tamb?m se consideram os escritos complementares das imagens, que em conjunto discutem a tem?tica da desigualdade socioeducacional no mundo. Delineia-se uma an?lise cr?tica dos signos imagens, legendas e textos po?ticos , refletindo-se sobre a ocorr?ncia da semiose no processo interpretativo e a representa??o da sociedade por meio destes textos. A investiga??o baseia-se na semi?tica de Peirce especificamente na Teoria dos Interpretantes na linguagem fotogr?fica e na teoria da imagem. Considera-se relevante a linguagem como interface entre o ser social e a sociedade para a percep??o do campo s?cio-comunicacional. A fotografia pode at? n?o ser vista como uma ferramenta de transforma??o social, mas pode ser compreendida como um signo componente do movimento de transforma??o, sendo carregada de potencialidades influenciadoras do pensamento e das a??es humanas quer culturais, quer ideol?gicas
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Silva, Thayse Azevedo da. "An?lise do efeito de polimorfismos n?o-sin?nimos em genes de reparo de DNA da via BER na resposta inflamat?ria da meningite." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/12651.
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Previous issue date: 2013-03-21Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico
In vitro and in animal models, APE1, OGG1, and PARP-1 have been proposed as being involved with inflammatory response. In this work, we have investigated if the SNPs APE1 Asn148Glu, OGG1 Ser326Cys, and PARP-1 Val762Ala are associated to meningitis and also developed a system to enable the functional analysis of polymorphic proteins. Patients with bacterial meningitis (BM), aseptic meningitis (AM) and controls (non-infected) genotypes were investigated by PIRA-PCR or PCR-RFLP. DNA damages were detected in genomic DNA by Fpg treatment. IgG and IgA were measured from plasma and the cytokines and chemokines were measured from cerebrospinal fluid samples using Bio-Plex assays. The levels of NF-?B and c-Jun were measured in CSF by dot blot assays. A significant (P<0.05) increase in the frequency of APE1 148Glu allele in BM and AM patients was observed. A significant increase in the genotypes Asn/Asn in control group and Asn/Glu in BM group was also found. For the SNP OGG1 Ser326Cys, the genotype Cys/Cys was more frequent (P<0.05) in BM group. The frequency of PARP-1 Val/Val genotype was higher in control group (P<0.05). The occurrence of combined SNPs increased significantly in BM patients, indicating that these SNPs may be associated to the disease. Increasing in sensitive sites to Fpg was observed in carriers of APE1 148Glu allele or OGG1 326Cys allele, suggesting that SNPs affect DNA repair activity. Alterations in IgG production were observed in the presence of SNPs APE1Asn148Glu, OGG1Ser326Cys or PARP-1Val762Ala. Reductions in the levels ofIL-6, IL-1Ra, MCP-1/CCL2and IL-8/CXCL8 were observed in the presence of APE1148Glu allele in BM patients, however no differences were observed in the levels of NF-?B and c-Jun considering genotypes and analyzed groups. Using APE1 as model, a system to enable the analysis of cellular effects and functional characterization of polymorphic proteins was developed using strategies of cloning APE1 cDNA in pIRES2-EGFP vector, cellular transfection of the construction obtained, siRNA for endogenous APE1 and cellular cultures genotyping. In conclusion, we obtained evidences of an effect of SNPs in DNA repair genes on the regulation of immune response. This is a pioneering work in the field that shows association of BER variant enzymes with an infectious disease in human patients, suggesting that the SNPs analyzed may affect immune response and damage by oxidative stress level during brain infection. Considering these data, new approaches of functional characterization must be developed to better analysis and interactions of polymorphic proteins in response to this context
Estudos in vitro e em modelos animais sugerem que as prote?nas de reparo de DNA da via de reparo por excis?o de bases (do ingl?s, BER) APE1, OGG1 e PARP-1 est?o envolvidas tamb?m na resposta inflamat?ria. Neste trabalho foi investigado se os SNPs APE1 Asn148Glu, OGG1 Ser326Cys e PARP-1 Val762Ala associam-se ? meningite, e foi desenvolvido um sistema para an?lise funcional destas variantes polim?rficas. Os gen?tipos de pacientes com meningite bacteriana (MB), meningite ass?ptica (MA) e n?o infectados (controles) foram investigados por PIRA-PCR ou PCR-RFLP. Danos no DNA gen?mico foram detectados por meio de tratamento com Fpg. IgG e IgA foram titulados no plasma e citocinas e quimiocinas foram mensuradas em amostras de l?quor atrav?s de ensaios em Bio-Plex. Os n?veis de NF-?B e c-Jun foram dosados no l?quor dos pacientes por meio de dot blot. Foi observado um aumento significativo (P<0.05) na frequ?ncia do alelo APE1 148Glu nos casos de MB e MA. Os gen?tipos Asn/Asn no grupo controle e Asn/Glu no grupo da MB tamb?m apresentaram relevante aumento em suas frequ?ncias (P<0.05). Para o SNP OGG1 Ser326Cys, o gen?tipo Cys/Cys esteve mais frequente (P<0.05) nos casos de MB. A frequ?ncia do gen?tipo PARP-1 Val/Val foi mais alta no grupo controle (P<0.05). A ocorr?ncia combinada dos SNPs foi significativamente alta nos pacientes com MB, indicando que estes SNPs podem estar associados ? doen?a. Os portadores do alelo APE1 148Glu ou OGG1 326Cys apresentaram um n?mero maior de s?tios sens?veis ? Fpg, sugerindo que os SNPs afetam a atividade de reparo do DNA. Altera??es na s?ntese de IgG foram observadas na presen?a dos SNPs APE1 Asn148Glu, OGG1 Ser326Cys ou PARP-1 Val762Ala. Redu??es nos n?veis de IL-6, IL-1Ra, MCP-1/CCL2 e IL-8/CXCL8 foram encontradas na presen?a do alelo APE1 148Glu em amostras de pacientes com MB, no entanto n?o foram encontradas diferen?as nos n?veis de NF-?B e c-Jun considerando os gen?tipos e os grupos analisados. Utilizando APE1 como modelo, foi desenvolvido um sistema que possibilita a express?o e caracteriza??o funcional das enzimas polim?rficas estudadas e seus efeitos na c?lula, por meio de clonagem, utilizando o vetor pIRES2-EGFP e cDNA de APE1, transfec??o celular da constru??o obtida, inibi??o por siRNA de APE1 end?gena e genotipagem de culturas celulares. Em conclus?o, foram obtidas evid?ncias de um efeito significativo dos SNPs nos genes de reparo de DNA na regula??o da resposta imunol?gica. Este ? um trabalho pioneiro na ?rea, que demonstra a associa??o de variantes das enzimas da via BER com uma doen?a infecciosa em humanos, sugerindo que os SNPs estudados podem afetar a resposta imune e o impacto do n?vel de estresse oxidativo durante a infec??o cerebral. Desta forma, novos meios de an?lise funcional devem ser desenvolvidos para estudo de prote?nas polim?rficas e suas intera??es neste contexto
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Güttler, Bert Hans-Otto [Verfasser], Hans-Ulrich [Akademischer Betreuer] Demuth, Ralph [Akademischer Betreuer] Golbik, and Steffen [Akademischer Betreuer] Roßner. "Untersuchungen zur Bildung von Isoaspartat am Peptid-N-Terminus sowie zur Reparatur durch die Protein-L-isoaspartyl-O-methyltransferase / Bert Hans-Otto Güttler ; Hans-Ulrich Demuth, Ralph Golbik, Steffen Roßner." Halle, 2016. http://d-nb.info/1116951029/34.
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Xiang, Shengqi [Verfasser], Markus [Akademischer Betreuer] Zweckstetter, Reinhard [Akademischer Betreuer] Lührmann, Ralf [Akademischer Betreuer] Ficner, Bert de [Akademischer Betreuer] Groot, Adam [Akademischer Betreuer] Lange, and Lars Thorsten [Akademischer Betreuer] Kuhn. "Structural insights into Arginine-Serine rich proteins and N-H spin-spin coupling constants / Shengqi Xiang. Gutachter: Reinhard Lührmann ; Ralf Ficner ; Bert de Groot ; Adam Lange ; Lars Thorsten Kuhn. Betreuer: Markus Zweckstetter." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2013. http://d-nb.info/1044871229/34.
Full textBooks on the topic "N. Berg"
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Ites, Rudolf. Lagerungsverhältnisse und Schichtaufbau in Quartäraufschlüssen der östlichen Brelinger Berge (N Hannover). Hannover: Geologisches Institut der Universität Hannover, 1996.
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Inc, Game Counselor. Game Counselor's Answer Book for Nintendo Players. Redmond, USA: Microsoft Pr, 1991.
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Walker, Bert N. An American Saga: Adventures & Travels of Bert N. Walker. CreateSpace Independent Publishing Platform, 2016.
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Verster, Pieter. Die wonderbare Heilige Gees én die Vader van liefde - 'n Missionêre teologie. SunBonani Media, 2020. http://dx.doi.org/10.18820/9781928424758.
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Pieter Verster dra uit die ryk en ryp oesland van die Ou en Nuwe Testament ’n oorvloed gerwe. ’n Uitnemende geleerde is hier aan die woord. Die Persoon en werk van die Heilige Gees, die derde Persoon van God Drie-enig, word vars en nuut belig. Dit geld ook vir die skywer se ander sentrale teologiese insigte. Die boek getuig van ’n gedeë studie; dit is ’n meesterstuk. Dit sal nie slegs die vakkenner boei nie, maar elke leser sal deur die boek tot helderheid gelei word. Hierdie boek is soos ’n fontein helder murmelende water wat hoop aan dorstige en moedelose mense gee wat in die greep van armoede, korrupsie en rassisme vasgevang is. Met die boek staan Pieter Verster nie slegs nasionaal nie, maar ook internasionaal op die voorpunt van liggewende perspektiewe op die wese van en uitdagings aan die Missionêre Teologie. - Prof. Cas Vos Hierdie boek van Pieter Verster gee ’n indrukwekkende perspektief. Sending gaan daaroor om die blye boodskap te bring van Christus wat vir ons gekruisig is. Ons het ’n boodskap vir hierdie wêreld van COVID-19, van die korrupte politiek, van die armoede, van die misdaad, van sondige en moedelose mense. God beloof nie dat alles reg sal kom nie. Hy het hierdie werklikheid tot op die afskuwelikste gedeel. En Hy het daaraan, aan die konkrete werklikheid van Suid-Afrika van 2020, gesterf. Maar Hy het opgestaan, nie om nou alles reg te maak nie, maar sodat ons as ons sterf aan hierdie onheil steeds mag bely dat ons met Christus sal opstaan. Wanneer ons geen voortgang sien nie, moet ons nie moedeloos word nie: in die wêreld kan ons net ’n bietjie vir mekaar doen en het ons verdrukking, maar Hy het die wêreld oorwin: Christus leef en ons sal saam met Hom leef. Dis evangelie, ’n blye berig vir moedelose en hooplose mense. - Prof. Bram van de Beek
Book chapters on the topic "N. Berg"
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Lockridge, Oksana. "Bert N. La Du, a Summary of His Career to 1998." In Structure and Function of Cholinesterases and Related Proteins, 1–2. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4899-1540-5_1.
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"O r g a n i s a t i o n des A l p i n i s m us." In Faszination Berg, 159–211. Köln: Böhlau Verlag, 2008. http://dx.doi.org/10.7788/boehlau.9783412332655.159.
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"Berg(bau)recht n." In Wörterbuch GeoTechnik/Dictionary Geotechnical Engineering, 130. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33335-4_21229.
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"Der Berg Papua – Gelimers letzte Zuflucht." In Das Vandalenreich unter Hilderich und Gelimer (523-534 n. Chr.), 49–53. Verlag Ferdinand Schöningh, 2019. http://dx.doi.org/10.30965/9783657792948_012.
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"berm [n]." In Encyclopedic Dictionary of Landscape and Urban Planning, 67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_1012.
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"flood berm [n]." In Encyclopedic Dictionary of Landscape and Urban Planning, 347. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_4804.
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"berm [n] [US]." In Encyclopedic Dictionary of Landscape and Urban Planning, 67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_1013.
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"Berge(klein) f, (n)." In Wörterbuch GeoTechnik/Dictionary Geotechnical Engineering, 131. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33335-4_21273.
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"hydraulisches (Berge)Versetzen n." In Wörterbuch GeoTechnik/Dictionary Geotechnical Engineering, 572. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33335-4_81907.
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"noise attenuating berm [n]." In Encyclopedic Dictionary of Landscape and Urban Planning, 625. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_8538.
Full textConference papers on the topic "N. Berg"
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Fohr, Dominique, and Irina Illina. "BERT-Based Semantic Model for Rescoring N-Best Speech Recognition List." In Interspeech 2021. ISCA: ISCA, 2021. http://dx.doi.org/10.21437/interspeech.2021-313.
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Islam, Mohammad Rakibul, and Jinsang Kim. "Capacity and BER analysis for Nakagami-n channel in LDPC coded wireless sensor network." In 2008 International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP). IEEE, 2008. http://dx.doi.org/10.1109/issnip.2008.4761981.
Full textReports on the topic "N. Berg"
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Rinne, Mikael L., and Mark R. Kelley. DNA Base Excision Repair (BER) and Cancer Gene Therapy: Use of the Human N-Methylpurine DNA Glycosylase (MPG) to Sensitive Breast Cancer Cells to Low Dose Chemotherapy. Fort Belvoir, VA: Defense Technical Information Center, June 2002. http://dx.doi.org/10.21236/ada407383.
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