Relevant bibliographies by topics / Sporadic

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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 'Sporadic'

Author: Grafiati
Published: 4 June 2021
Last updated: 15 June 2025

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Journal articles on the topic "Sporadic"

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Priyatikanto, Rhorom, Farahhati Mumtahana, and Mumen Tarigan. "VARIASI DIURNAL DAN MUSIMAN KEMUNCULAN LAPISAN E-SPORADIS DI ATAS SUMEDANG TAHUN 2015." Jurnal Sains Dirgantara 13, no. 2 (2016): 111. http://dx.doi.org/10.30536/j.jsd.2016.v13.a2556.

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Wind shear has been believed as the main mechanism behind the occurrence of E-sporadic layer in 90-120 km altitude. The occurrence of this layer is related to gravity wave, tidal wave, and global-scale atmospheric wave (planetary wave) with different periodicity. Meteor showers that happen annually may also influence the occurrence probability of E-sporadic layer, while Solar and geomagnetic activity contribute less significantly. In this article, E-Sporadic data obtained in Balai Pengamatan Atmosfer dan Antariksa Sumedang, Jawa Barat in 2015 was studied. The main purpose of the study is to understand the characteristics and occurrence pattern of E-sporadic layer in low-latitude region. Conclusions can be deduced from the conducted analyses. Percentage of occurrence of E-sporadic layer (P) is relatively high during May-July and December-January period. The occurrence of E-sporadic layer with critical frequency higher than 2 MHz can be as high as 97%. The observed diurnal variation is the increase of P before midday followed by a significant decrease at 12:00 local time. The value of P rises again and peaks at around 16:00 local time and then declines as the photoionization rate diminishes through time. During May-July, E-sporadic layer with frequency above 6 MHz also occurred in night time. Further examinations are required to analyse the relation between E-sporadic occurrence during those time windows and the activity of high-flux meteor shower. Besides, diurnal and seasonal variations concluded in this study are expected to become rerference for space weather forecast which is demanded by stakeholders. AbstrakGesekan angin (wind shear) telah lama dipercaya sebagai mekanisme penyebab kemunculan lapisan E-Sporadis pada ketinggian 90-120 km. Kemunculan lapisan ini berkaitan dengan gelombang gravitasi, gelombang pasang-surut, serta gelombang atmosfer skala global (planetary wave) dengan perulangan yang berbeda. Hujan meteor yang terjadi setiap tahun juga dapat mempengaruhi probabilitas kemunculan lapisan E-Sporadis, sementara aktivitas Matahari dan geomagnet tidak banyak memberikan pengaruh. Pada artikel kali ini, data E-Sporadis hasil pengamatan di Balai Pengamatan Atmosfer dan Antariksa Sumedang, Jawa Barat sepanjang tahun 2015 telah dipelajari. Tujuan utamanya adalah untuk mengetahui karakteristik dan pola kemunculan lapisan E-Sporadis di daerah lintang rendah. Beberapa kesimpulan dapat dideduksi dari analisis yang dilakukan. Persentase kemunculan lapisan E-Sporadis (P) cukup tinggi pada bulan Mei-Juli serta Desember-Januari. Persentase kemunculan lapisan E-Sporadis dengan frekuensi kritis lebih dari 2 MHz dapat mencapai 97%. Variasi diurnal yang teramati adalah peningkatan nilai P menjelang tengah hari yang diikuti penurunan sekitar pukul 12:00 waktu lokal. Nilai P kembali naik dan memuncak pada pukul 16:00 waktu lokal lalu menurun seiring berkurangnya laju ionisasi oleh radiasi Matahari. Pada bulan Mei-Juli, lapisan E-Sporadis dengan frekuensi lebih dari 6 MHz juga muncul pada malam hari. Pemeriksaan lebih lanjut perlu dilakukan untuk mengetahui kaitan antara kemunculan E-Sporadis pada rentang waktu tersebut dan aktivitas hujan meteor dengan fluks tinggi. Selain itu, variasi diurnal dan musiman yang diperoleh dalam studi ini dapat menjadi rujukan bagi proses ramalan cuaca antariksa yang diperlukan bagi sejumlah stakeholder.
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Priyatikanto, Rhorom, Farahhati Mumtahana, and Mumen Tarigan. "DAMPAK HUJAN METEOR PADA KEMUNCULAN LAPISAN E-SPORADIS DI ATAS SUMEDANG (THE IMPACT OF METEOR SHOWERS ON THE OCCURRENCE OF E-SPORADIC LAYER OVER SUMEDANG)." Jurnal Sains Dirgantara 14, no. 2 (2018): 71. http://dx.doi.org/10.30536/j.jsd.2017.v14.a2533.

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Meteor showers have been believed as one important source of metalic ion which is accumulated at ~100 km altitude and triggering the emergence of E-Sporadic layer. In this study, meteor showers catalogue derived from the observations in visual and radio windows were used to establish a model and temporal map of annual meteor showers expected to be observed in Sumedang, West Java. The map was compared to ionospheric observation data acquired in Sumedang throughout 2014-2015 in order to understand the relation between the showers of various fluxes to the occurrence of E-Sporadic layer. The analysis revealed that several meteor showers with geocentric speed of vG < 50 km/s possibly influence the occurrence of E-Sporadic layer, while the showers with vG > 50 km/s impact insignificantly. However, the seasonal variation of the percentage of E-Sporadic occurrence is far more dominant compared to its fluctuation during meteor showers.Abstrak Hujan meteor dengan fluks tinggi telah dipercaya sebagai salah satu sumber penting ion logam yang terkumpul pada ketinggian ~100 km dan memicu kemunculan lapisan E-Sporadis. Pada studi ini, katalog hujan meteor hasil pengamatan pada jendela visual dan radio digunakan untuk membangun model dan peta temporal hujan meteor tahunan yang diharapkan teramati di Sumedang, Jawa Barat. Peta tersebut dibandingkan dengan data pengamatan ionosfer di Sumedang sepanjang 2014-2015 untuk mengetahui keterkaitan antara hujan meteor dengan beragam fluks serta kemunculan lapisan E-Sporadis. Hasil analisis menunjukkan bahwa beberapa hujan meteor dengan kelajuan geosentris vG < 50 km/s memiliki indikasi berpengaruh pada kemunculan E-Sporadis, sementara hujan meteor dengan vG > 50 km/s tidak berdampak signifikan. Namun, variasi musiman dari persentasi kemunculan E-Sporadis jauh lebih dominan dibandingkan fluktuasinya saat hujan meteor.
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Goldman, Jill S., Bruce L. Miller, Jiri Safar, et al. "When Sporadic Disease Is Not Sporadic." Archives of Neurology 61, no. 2 (2004): 213. http://dx.doi.org/10.1001/archneur.61.2.213.

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Banks, Paul. "Sporadic Illumination." Musical Times 131, no. 1771 (1990): 489. http://dx.doi.org/10.2307/1193676.

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Chen, W. C., T. C. Shen, and C. Y. Tu. "Sporadic lymphangioleiomyomatosis." QJM 107, no. 9 (2014): 767. http://dx.doi.org/10.1093/qjmed/hcu019.

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Lee, James A., and Quan-Yang Duh. "Sporadic Paraganglioma." World Journal of Surgery 32, no. 5 (2008): 683–87. http://dx.doi.org/10.1007/s00268-007-9360-4.

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Hamilton, William. "SPORADIC CRETINISM." Developmental Medicine & Child Neurology 18, no. 3 (2008): 384–86. http://dx.doi.org/10.1111/j.1469-8749.1976.tb03662.x.

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ERDOĞAN, Bahattin, and Cengiz KORKMAZ. "Sporadic Inclusion Body Myositis." Turkiye Klinikleri Journal of Case Reports 25, no. 4 (2017): 187–92. http://dx.doi.org/10.5336/caserep.2017-56229.

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Yusman, Yusman. "PROSES PENDAFTARAN TANAH (AJUDIKASI) PADA KANTOR PERTANAHAN DI TINJAU DARI PERATURAN PEMERINTAH NOMOR 24 TAHUN 1997 TENTANG PENDAFTARAN TANAH." Jurnal Hukum Replik 6, no. 2 (2018): 189. http://dx.doi.org/10.31000/jhr.v6i2.1444.

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Pendaftaran tanah pertama kali dilakukan secara sporadik dan secarasistematik. Pendaftaran tanah bertujuan untuk menjamin dan memberikankepastian hukum terhadap pemilik tanah. Fenomena yang terjadi pada praktekpendaftaran tanah menimbulkan permasalahan bagi pemilik tanah yang akanmelakukan pendaftaran tanah. Peraturan Pemerintah Nomor 24 Tahun 1997 tentang Pendaftaran Tanah Yang dapat dilaksanakan secara sporadik dan secara sistematik memberikan solusi kepada masyarakat untuk dapat menentukan salah satu pilihannya terhadap 2 jenis pendaftaran tanah tersebut.Dalam hal ini diharapkan pemilik tanah dapat memiliki bukti yang kuat terhadapkepemilikan tanahnya. Tujuan dari penelitian ini adalah untuk mengetahui tentang pelaksanaan pendaftaran tanah pertama kali secara sporadik dan cara masyarakat melakukan pendaftaran tanah pertama kali secara sporadik serta untuk mengetahui faktor faktor pendukung dan penghambat dalam pelaksanaan pendaftaran tanah, pelaksanaan pendaftaran tanah pertama kali secara sporadik dapat diajukan oleh pemegang haknya ataupun melalui kuasanya ke Kantor Pertanahan. Sedangkan cara masyarakat dalam melakukan pendaftaran tanah dilakukan secara sporadik dan sistematik. Bagi masyarakatyang melakukan pendaftaran tanah secara sporadik dapat dilakukan secara langsung oleh pemilik tanahnya ataupun melalui Kantor PPAT. Kata Kunci : Pendaftaran Tanah, Panitia. AbstractLand registration is first done sporadically and systematically. Land registration aims to guarantee and provide legal certainty to landowners. The phenomenon that occurs in the practice of land registration causes problems for landowners who will carry out land registration.Government Regulation Number 24 of 1997 concerning Land Registration that can be carried out sporadically and systematically provides solutions to the community to be able to determine one of the options for the two types of land registration. In this case it is expected that landowners can have strong evidence against ownership of the land.The purpose of this research is to find out about the implementation of sporadic land registration for the first time and the way the community first registers land sporadically and to find out the supporting and inhibiting factors in the implementation of land registration, the first sporadic land registration can be submitted by the right holder or through their attorney to the Land Office. Whereas the community's way of registering land is done sporadically and systematically. For people who do sporadic land registration can be done directly by the land owner or through the PPAT Office. Keywords : Land Registration, Committe
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Heinselman, C. J., J. P. Thayer, and B. J. Watkins. "A high-latitude observation of sporadic sodium and sporadicE-layer formation." Geophysical Research Letters 25, no. 16 (1998): 3059–62. http://dx.doi.org/10.1029/98gl02215.

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Dissertations / Theses on the topic "Sporadic"

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Koh, Yun Sing, and n/a. "Generating sporadic association rules." University of Otago. Department of Computer Science, 2007. http://adt.otago.ac.nz./public/adt-NZDU20070711.115758.

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Association rule mining is an essential part of data mining, which tries to discover associations, relationships, or correlations among sets of items. As it was initially proposed for market basket analysis, most of the previous research focuses on generating frequent patterns. This thesis focuses on finding infrequent patterns, which we call sporadic rules. They represent rare itemsets that are scattered sporadically throughout the database but with high confidence of occurring together. As sporadic rules have low support the minabssup (minimum absolute support) measure was proposed to filter out any rules with low support whose occurrence is indistinguishable from that of coincidence. There are two classes of sporadic rules: perfectly sporadic and imperfectly sporadic rules. Apriori-Inverse was then proposed for perfectly sporadic rule generation. It uses a maximum support threshold and user-defined minimum confidence threshold. This method is designed to find itemsets which consist only of items falling below a maximum support threshold. However imperfectly sporadic rules may contain items with a frequency of occurrence over the maximum support threshold. To look for these rules, variations of Apriori-Inverse, namely Fixed Threshold, Adaptive Threshold, and Hill Climbing, were proposed. However these extensions are heuristic. Thus the MIISR algorithm was proposed to find imperfectly sporadic rules using item constraints, which capture rules with a single-item consequent below the maximum support threshold. A comprehensive evaluation of sporadic rules and current interestingness measures was carried out. Our investigation suggests that current interestingness measures are not suitable for detecting sporadic rules.
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Robertson, Brent 1962. "The epidemiology of sporadic cryptosporidiosis." Monash University, Dept. of Epidemiology and Preventive Medicine, 2001. http://arrow.monash.edu.au/hdl/1959.1/8968.

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Cameron, Smail Ruaridh. "Axonal excitability in sporadic migraine." Thesis, The University of Sydney, 2020. https://hdl.handle.net/2123/26808.

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Migraine is a common yet debilitating condition worldwide, affecting individuals, particularly women, of working age, causing significant impacts on quality of life and productivity. In this study, we set out to evaluate a group of individuals with sporadic migraine. We aimed to evaluate the effect of botulinum toxin or the novel calcitonin gene-related peptide (CGRP) erenumab. We were also able to consider studies on patients with familial hemiplegic migraine, where we were particularly looking to see if there were alterations in axonal excitability related to the gene mutations. A study has identified differences in episodic ataxia type 2, and patients with familial hemiplegic migraine type 1 (FHM1) carry mutations of the same gene CACNA1A. We sought to see if FHM1 patients had similar changes to those of episodic ataxia type 2, and whether axonal excitability allowed identification of genetically affected migraine individuals. We collected data on clinical outcomes, thermal threshold perception and sensory and motor axonal excitability parameters from the median nerve for our cohort of sporadic chronic migraine. No significant excitability changes were identified when compared to healthy controls at baseline, or after treatment. No alterations were seen when patients were divided into subgroups of erenumab or botulinum toxin treatment. We did note significant clinical improvements in patients treated with either botulinum toxin or erenumab, with some patients experiencing a large treatment response. We did not identify any significant change in thermal perception or thermal pain thresholds, before and after treatment. We were unable to recruit sufficient numbers of hemiplegic migraine patients for this study, and future work will involve further recruitment, before definite conclusions can be drawn about excitability changes in hemiplegic migraine.
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Gottschalk, Harald. "Amalgams for the O'Nan Sporadic Group." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=964667029.

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Arnardơttir, Snjơlaug. "Studies in sporadic inclusion body myositis /." Stockholm, 2003. http://diss.kib.ki.se/2003/91-7349-572-7/.

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Bradley, John David. "Symmetric presentations of two sporadic groups." Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.422333.

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Khudhur, Peshawa Mohammed. "Sporadic simple groups of low genus." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6592/.

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Let X be a compact connected Riemann surface of genus g and let f∶ X →P1 be a meromorphic function of degree n. Classes of such covers are in one to one correspondence with the primitive systems, which are tuples of elements (x1,x2,⋯,xr) in the symmetric group Sn taken up to conjugation and the action of the braid group, such that x1.x2.⋯.xr=1 and G=〈x1,x2,⋯,xr〉 is a primitive subgroup G of Sn. This thesis is a contribution to the classification of primitive genus g ≤ 2 systems of sporadic almost simple groups.
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Brown, Iain. "Gene therapy for sporadic ovarian cancer." Thesis, University of Aberdeen, 2000. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU602008.

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Ovarian cancer accounts for more deaths than all other gynaecological cancers taken together. The 5 year survival rate can be as high as 80% for cases diagnosed early, but the asymptomatic nature of the disease means that it is most frequently detected in the later stages. By this time, disease has invariably spread beyond the ovaries and the survival rate drops to around 30%. Treatment of ovarian cancer often fails due to a high rate of chemoresistance and novel methods of treatment and detection are required to increase the survival chances of patients. This study sought to determine whether gene therapy for sporadic ovarian cancer could offer a novel and more successful treatment option for the disease. Mutation or abnormal expression of the p53 gene has already been shown to be the most common genetic even in ovarian cancer, being involved in up to 70% of cases. Wild-type p53 was delivered, using liposomes, into p53 mutant ovarian cancer cell lines and this resulted in a restoration of the wild-type functions of the gene, namely cell cycle arrest and apoptosis. The results from the cell line studies suggested that restoration of the wild-type p53 function limit or reduce tumour progression and increase the sensitivity of the tumour to chemotherapy. A mouse model of human peritoneal ovarian cancer was then constructed and the wild-type p53 gene was administered in liposomes into the peritoneum. The results suggested that p53 gene therapy prevents tumours from growing in the mice, when compared to a control gene. It is now known that p53 gene therapy for humans is being clinically assessed. There are a proportion of tumours that do not harbour an abnormal p53 gene, raising the possibility that other tumour suppressor gene mutations may play a role in the molecular genetic control of growth arrest and apoptosis. P53-dependent, apoptosis-regulating family members bcl-2 and bax were analysed immunohistochemically to determine their involvement in ovarian cancer. Both proteins were significantly associated with malignancy and also with overall length of survival, but not associated with the various prognostic factors such as stage and differentiation of tumour. It is unlikely that these genes will become targets for gene therapy in ovarian cancer. Mutation, deletion and hypermethylation of the p53-independent pi6 gene, alter its function, resulting in loss of G1 cell cycle arrest control. The status of methylation of the pi 6 promoter in ovarian tumours was determined and combined with mutation data, resulting in the conclusion that abnormal pi 6 was not a common event in ovarian cancer and is therefore not a likely candidate for gene therapy. This study has contributed to the evergrowing wealth of knowledge on the molecular genetic events of ovarian cancer, and has shown that gene therapy for sporadic ovarian cancer as a clinical application is feasible.
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Curtis, Lucy Jane. "Genomic instability in sporadic colorectal cancer." Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/21178.

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This thesis has examined aspects of two forms of instability prominent in sporadic colorectal cancer, microsatellite instability (MSI) and chromosomal instability. Microsatellite instability describes a phenotype in which mutation of microsatellite sequences is widespread, probably due to defects of components of the mismatch repair pathway. Clonal chromosomal abnormalities, frequently observed in sporadic colorectal cancer, probably arise because of instability at the chromosomal level, and there is substantial, though not conclusive, evidence that they may result from defects of the p53 protein. Several lines of evidence suggest that chromosomal instability and defects of p53 may represent a mechanism, or mechanisms, of tumourigenesis distinct from that driven by defects of mismatch repair system. In this project, a series of experiments were undertaken to investigate the microsatellite instability phenotype, its possible cause, and the extent to which it coexists and interacts with chromosomal instability and p53 abnormalities. MSI was examined in a large population of sporadic human colorectal cancers and related to clinical and pathological tumour features in order to define traits which may suggest a distinct biological basis. Such instability was found to confer significant survival advantage, and to be inversely related to abnormality of the p53 protein, supporting the notion that these defects represent distinct tumorigenic pathways. In an attempt to discover the cause of microsatellite instability, mutation analysis of a likely candidate gene, hMSH2, was undertaken in selected case. This analysis yielded few exonic gene mutations supporting data from other studies which suggest that hMSH2 is not an important cause of the MSI phenotype in sporadic colorectal cancer. To further investigate the MSI phenotype, the behaviour of stable and unstable microsatellites over a period of time was examined through use of a series of xenografted human cancers. This demonstrated maintenance of the primary tumour phenotype in all xenografts over several months' passage <I>in vivo</I>, adding weight to the argument that microsatellite instability is persistent and is driven by an underlying retained defect.
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Eversley, Chevonne D. Threadgill David W. "Integrative genomic analysis of sporadic colorectal cancer." Chapel Hill, N.C. : University of North Carolina at Chapel Hill, 2009. http://dc.lib.unc.edu/u?/etd,2874.

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Thesis (Ph. D.)--University of North Carolina at Chapel Hill, 2009.<br>Title from electronic title page (viewed Jun. 4, 2010). "... in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the Curriculum in Genetics and Molecular Biology." Discipline: Genetics and Molecular Biology; Department/School: Medicine.
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Books on the topic "Sporadic"

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Aschbacher, Michael. Sporadic groups. Cambridge University Press, 1994.

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Griess, Robert L. Twelve Sporadic Groups. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03516-0.

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Griess, Robert L. Twelve Sporadic Groups. Springer Berlin Heidelberg, 1998.

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Griess, Robert L. Twelve sporadic groups. Springer, 1998.

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Ivanov, A. A. Geometry of sporadic groups. Cambridge University Press, 2008.

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A, Ivanov A. Geometry of sporadic groups. Cambridge University Press, 1999.

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Hiss, G. Brauer trees of sporadic groups. Clarendon Press, 1989.

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1948-, Smith Stephen D., ed. Classifying spaces of sporadic groups. American Mathematical Society, 2008.

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Antonova, P. A. Aėronimii͡a︡ sloi͡a︡ E: Uchet variat͡s︡iĭ UF-izluchenii͡a︡ Solnt͡s︡a i geomagnitnykh vozmushcheniĭ. I͡a︡nus, 1996.

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Stacey, Blake C. A First Course in the Sporadic SICs. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76104-2.

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Book chapters on the topic "Sporadic"

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Tempfer, Clemens B., and Marc-André Reymond. "Sporadic Cancers." In The Molecular Basis of Human Cancer. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-59745-458-2_21.

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Mandelbrot, Benoit B. "Sporadic turbulence." In Multifractals and 1/ƒ Noise. Springer New York, 1999. http://dx.doi.org/10.1007/978-1-4612-2150-0_12.

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Brouwer, Andries E., Arjeh M. Cohen, and Arnold Neumaier. "Sporadic Graphs." In Distance-Regular Graphs. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74341-2_13.

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Gooch, Jan W. "Sporadic Disease." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_14848.

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Scharnagl, Hubert, Winfried März, Markus Böhm, et al. "Ataxias, Sporadic." In Encyclopedia of Molecular Mechanisms of Disease. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_1661.

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Leung, Alexander K. C., Cham Pion Kao, Andrew L. Wong, et al. "Sporadic HUS." In Encyclopedia of Molecular Mechanisms of Disease. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_8699.

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Leung, Alexander K. C., Cham Pion Kao, Andrew L. Wong, et al. "Sporadic Ataxias." In Encyclopedia of Molecular Mechanisms of Disease. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_9354.

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Dhang, Partho, Philip Koehler, Roberto Pereira, and Daniel D. Dye II. "Sporadic pests." In Key questions in urban pest management: a study and revision guide. CABI, 2022. http://dx.doi.org/10.1079/9781800620179.0012.

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Abstract This book chapter discusses sporadic pests. Other insects like thrips, leafhoppers, brown marmorated stink bugs, boxelder bugs and many other beetles that invade structures are huge problems for customers, but very difficult to prevent or control. Sporadic pests are usually insects or other arthropods that people in frequently encounter or that live and breed outside and then enter a building in large numbers. Many times, people are not familiar with these pests and think they may cause significant damage to their structures or endanger them by stinging or biting. The key to solving problems with sporadic pests is to determine the source and cause of the problem. Other sporadic pests originate in decaying organic matter on the ground. Cicada killer wasps, umbrella wasps, and velvet ants are examples of ones that people may encounter in urban areas. Although these sporadic pests may be "minor" pests to the pest management technician, they can be considered a huge problem to the customer. For instance, millipedes have mass migrations from their breeding grounds when weather or soil conditions change.
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Parker, Christopher, and Peter Rowley. "Sporadic Simple Groups." In Springer Monographs in Mathematics. Springer London, 2002. http://dx.doi.org/10.1007/978-1-4471-0165-9_22.

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Verdijk, Robert M., and Martina C. Herwig-Carl. "Sporadic Eye Anomalies." In Fetal and Neonatal Eye Pathology. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36079-5_5.

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Conference papers on the topic "Sporadic"

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Bankov, Dmitry, Artem Krasilov, Artem Otmakhov, Aleksei Shashin, and Evgeny Khorov. "Enhancing 5G V2X Mode 2 for Sporadic Traffic." In 2024 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). IEEE, 2024. http://dx.doi.org/10.1109/blackseacom61746.2024.10646322.

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Mirsattarian, Sina, Mehdi Kargahi, and Vahid Panahi. "Secure Communication on CAN-Bus Using Sporadic Authenticated Encryption." In 2024 5th CPSSI International Symposium on Cyber-Physical Systems (Applications and Theory) (CPSAT). IEEE, 2024. http://dx.doi.org/10.1109/cpsat64082.2024.10745422.

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Faggioli, Dario, Marko Bertogna, and Fabio Checconi. "Sporadic Server revisited." In the 2010 ACM Symposium. ACM Press, 2010. http://dx.doi.org/10.1145/1774088.1774160.

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Malina, G., D. Heiferman, Loren Riedy, et al. "Pediatric Sporadic Vestibular Schwannomas." In 29th Annual Meeting North American Skull Base Society. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1679489.

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Starič, Jože, Geč Veren, Rok Marzel, and Jožica Ježek. "Sporadic leukosis in cattle." In Zbornik radova 26. medunarodni kongres Mediteranske federacije za zdravlje i produkciju preživara - FeMeSPRum. Poljoprivredni fakultet Novi Sad, 2024. http://dx.doi.org/10.5937/femesprumns24035s.

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Sporadic bovine leukosis (SBL) is a rare neoplastic disease in cattle. It represents a unique challenge for veterinary medicine due to its sporadic occurrence, peculiar clinical presentation and unclear etiology. SBL manifests in four forms: juvenile lymphosarcoma, adult multicentric leukosis, thymic lymphosarcoma and cutaneous lymphosarcoma. In contrast to enzootic bovine leukosis, which is caused by the bovine leukemia virus (BLV), there is no viral link in sporadic cases. They are thought to be caused by multifactorial interactions between genetic predisposition and environmental factors (e.g. carcinogens or other triggers). The diseases are not contagious. The aim of this paper is to review the current knowledge of SBL, focusing on the clinical presentation, diagnostic challenges and potential risk factors. Although sporadic leukosis accounts for a smaller proportion of leukosis cases in cattle compared to BLV-induced leukosis, the impact on affected individuals is severe. SBL must be differentiated from BLV-induced leukosis (absence of BLV antibodies in the blood and absence of BLV in the tissue), which is a reportable disease in the European Union. SBL usually affects younger cattle, but adult animals can also be affected. Adult multicentric leukosis clinically resembles enzootic bovine leukosis with multicentric lymphoproliferative foci and lymphadenopathy, but the affected animals are negative for BLV antibodies. The diseases are progressive and lead to the death of the animals. Diagnostic confirmation of SBL often requires a combination of histopathologic examination, immunohistochemistry and molecular analyses to differentiate it from other neoplastic diseases in cattle. Risk factors such as exposure to certain environmental toxins or genetic susceptibility are thought to play a role in the development of sporadic leukosis. Further research efforts are needed to elucidate the mechanisms underlying the development of SBL and to develop effective prevention and control strategies to control this sporadic but usually lethal disease in cattle population.
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Azevedo, Fernanda, Amy Dickey, Kristen Wheeden, et al. "Impact of acute hepatic porphyria attack frequency on patient-reported outcomes: results from the Porphyria Worldwide Patient Experience Research (POWER) study." In XIV Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2023. http://dx.doi.org/10.5327/1516-3180.141s1.671.

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Introduction: Acute hepatic porphyria (AHP), a group of rare genetic diseases, is characterized by neurovisceral attacks. Objective: This study evaluated its impact in patients with sporadic or recurrent attacks. Methods: Adult patients having &gt;1 attack within the past two years or receiving prophylactic treatment were recruited from the United States, Italy, Spain, Australia, Mexico, and Brazil for an online survey. Patients taking givosiran were excluded. Differences between patients with sporadic attacks (annualized attack rate [AAR], &lt;6 within past two years) and recurrent attacks (AAR, ≥6) were evaluated. Attacks included those leading to hospitalization, emergency room, outpatient doctor, or self-management. Outcomes were assessed with Generalized Anxiety Disorder-7 (GAD-7), Patient Health Questionnaire (PHQ-8) and burden of chronic symptoms. Results: Of the 92 patients who completed the survey, 60% reported sporadic attacks and 40% recurrent attacks. Most patients were female (sporadic 92.7%; recurrent 86.5%), and the most frequent diagnosis was acute intermittent porphyria (sporadic 83.6%; recurrent 59.4%). Most patients in the sporadic (52.7%) and recurrent (67.6%) groups reported a PHQ-8 score indicating moderate to severe depression; 43.6% in the sporadic and 56.8% of recurrent groups reported a GAD-7 score indicating moderate to severe anxiety. Pain was one of the most burdensome chronic symptoms in the sporadic (50.9%) and recurrent (59.5%) groups. Most patients reported muscle weakness as a top three symptom that limited their daily activities (sporadic 83.3%; recurrent 90.6%). Conclusion: While disease burden appeared greater for AHP patients experiencing recurrent attacks, both sporadic and recurrent group patients experienced a substantial impact on physical, mental, and emotional quality of life.
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Deng, Chenghao, Jing Yang, and Changyong Pan. "Timely Synchronization with Sporadic Status Changes." In ICC 2020 - 2020 IEEE International Conference on Communications (ICC). IEEE, 2020. http://dx.doi.org/10.1109/icc40277.2020.9149033.

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Andersson, Björn, and Konstantinos Bletsas. "Sporadic Multiprocessor Scheduling with Few Preemptions." In 2008 20th Euromicro Conference on Real-Time Systems (ECRTS). IEEE, 2008. http://dx.doi.org/10.1109/ecrts.2008.9.

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Brooks, Joseph Bruno Bidin, Fábio César Prosdócimi, Fernanda Stoffel Covolan, et al. "Sporadic Creutzfeldt-Jakob disease. Case report." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.184.

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Context: Creutzfeldt-Jakob disease (CJD) is a rare disease that belongs to the category of transmissible spongiform encephalopathies. The condition is invariably fatal and progresses with severe dementia with psychiatric signs and, with cortical, subcortical and cerebellar signs. This case report was approved by the Ethics Committee of Universidade Metropolitana de Santos. Case Report: We present the case of a 59-year-old male patient who presented with a subacute onset of behavioral changes associated with myoclonus and changes in coordination. Associated with the described symptoms, he presented aphasia of expression, cerebellar incoordination and spasticity was also present in the four limbs. Conclusions: The usual forms of transmission could not be confirmed for this patient, who died four months after the onset of symptoms.
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Thuy, Cu Thu, and Do Van Thanh. "Mining Perfectly Sporadic Rules with Two Thresholds." In 2010 International Conference on Management and Service Science (MASS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmss.2010.5576583.

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Reports on the topic "Sporadic"

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Sprunt, Brinkley, and Lui Sha. Implementing Sporadic Servers in Ada. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada226723.

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Kurth, W. S., D. A. Gurnett, and F. L. Scarf. Sporadic Narrowband Radio Emissions from Uranus. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada170947.

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Moll, Ute M. Risk for Sporadic Breast Cancer in Ataxia Telangiectasia Heterozygotes. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada395438.

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Andersson, Bjorn A., Dionisio de Niz, Hyoseung Kim, Mark Klein, and Ragunathan Rajkumar. Scheduling Constrained-Deadline Sporadic Parallel Tasks Considering Memory Contention. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada610918.

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Moll, Ute M. Risk for Sporadic Breast Cancer in Ataxia Telangiectasia Heterozygotes. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada393435.

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Bachman, Tovey C. Reducing Aircraft Down for Lack of Parts with Sporadic Demand. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada428159.

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Andersson, Bjorn A. Supplementary material for the paper Scheduling Constrained-Deadline Sporadic Parallel. Defense Technical Information Center, 2014. http://dx.doi.org/10.21236/ada613941.

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Magee, Kendra P. Methylation of Select Tumor Suppressor Genes in Sporadic Breast Cancer. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada374288.

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Eng, Charis E. Genetics of PTEN in Cowden Syndrome and Sporadic Breast Cancer. Defense Technical Information Center, 2000. http://dx.doi.org/10.21236/ada393460.

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Eng, Charis. Genetics of PTEN in Cowden Syndrome and Sporadic Breast Cancer. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada383844.

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