Academic literature on the topic 'PCNB'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the lists of relevant articles, books, theses, conference reports, and other scholarly sources on the topic 'PCNB.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Journal articles on the topic "PCNB"

1

Nichols, Christine Ida, Chloe C. Kimball, and Joshua Vose. "Clinical and cost outcomes associated with multiple open procedures following percutaneous breast biopsy in Medicare patients." Journal of Clinical Oncology 35, no. 15_suppl (2017): e12083-e12083. http://dx.doi.org/10.1200/jco.2017.35.15_suppl.e12083.

Full text
Abstract:
e12083 Background: Percutaneous core-needle biopsy (PCNB) is the standard of care to diagnose suspicious lesions of the breast. Dependent upon histology, many women require additional open procedures for definitive diagnosis and excision. However, there remains little nationally-representative research on the proportion of women undergoing multiple open biopsy or lumpectomy procedures and the associated incremental burden to the health system. Methods: This study used Medicare 100% Standard Analytic Files (2010–2014) to identify patients undergoing PCNB in an outpatient setting. Patients inclu
APA, Harvard, Vancouver, ISO, and other styles
2

Shim, M. Y., J. L. Starr, N. P. Keller, K. E. Woodard, and T. A. Lee. "Distribution of Isolates of Sclerotium rolfsii Tolerant to Pentachloronitrobenzene in Texas Peanut Fields." Plant Disease 82, no. 1 (1998): 103–6. http://dx.doi.org/10.1094/pdis.1998.82.1.103.

Full text
Abstract:
The tolerance to pentachloronitrobenzene (PCNB) of an isolate of Sclerotium rolfsii collected in 1985 was quantified, and a survey of tolerance to PCNB in 377 other isolates of the fungus collected from Texas peanut fields from 1990 through 1994 was conducted. The effective dose (ED)50 of the previously collected PCNB-tolerant isolate was 11.07 μg PCNB/ml and was more than 5-fold greater than the ED50 of PCNB-sensitive isolates. The distribution of tolerance to PCNB among all isolates was slightly skewed, with 18 of the 377 isolates identified as having greater (P ≤ 0.05) tolerance to PCNB tha
APA, Harvard, Vancouver, ISO, and other styles
3

Hagan, A. K., J. R. Weeks, and R. B. Reed. "Southern Stem Rot Suppression On Peanut With The Insecticide Chlorpyrifos1." Peanut Science 13, no. 1 (1986): 36–37. http://dx.doi.org/10.3146/i0095-3679-13-1-11.

Full text
Abstract:
Abstract Chlorpyrifos 15G(2.24 kg a.i./ha), PCNB 10G (11.2 kg a.i./ha), and PCNB 10G + chlorpyrifos 15G(11.2 + 2.24 kg a.i./ha) were compared for the suppression of southern stem rot caused by Sclerotium rolfsii Sacc. on peanut in on-farm trials on nine farms over three years (1982–1984). Chlorpyrifos, PCNB, and PCNB + chlorpyrifos significantly reduced loci counts all three years. PCNB + chlorpyrifos generally gave the best stem rot suppression and yield response, but there was little difference in disease loci counts between chlorpyrifos and PCNB. PCNB significantly increased yield over the
APA, Harvard, Vancouver, ISO, and other styles
4

Hagan, A. K., J. R. Weeks, and K. Bowen. "Effect of Placement and Rate of PCNB and PCNB + Ethoprop On The Control Of Southern Stem Rot Of Peanut1." Peanut Science 18, no. 2 (1991): 94–97. http://dx.doi.org/10.3146/i0095-3679-18-2-8.

Full text
Abstract:
Abstract Pentachloronitrobenzene (PCNB) 10G and PCNB + ethoprop 10–3G applied on 10-cm (narrow) and 25-cm (wide) band widths, respectively, were evaluated for the control of southern stem rot (Sclerotium rolfsii) and impact on yield of peanut. On-farm evaluations with PCNB were done in 1988 to 1990, while PCNB + ethoprop and diniconazole 25W were tested in 1989 and 1990. Narrow band width (10-cm) applications of the 5.6 kg a.i./ha rate of PCNB significantly reduced disease and increased yield all three years compared to the control; the 11.2 kg a.i./ha rate applied on the wide band width (25-c
APA, Harvard, Vancouver, ISO, and other styles
5

Kuai, Yanrong, Xiaobo Gao, Huixia Yang, et al. "Pentachloronitrobenzene alters progesterone production and primordial follicle recruitment in cultured granulosa cells and rat ovary†." Biology of Reproduction 102, no. 2 (2019): 511–20. http://dx.doi.org/10.1093/biolre/ioz195.

Full text
Abstract:
Abstract Pentachloronitrobenzene (PCNB) is an organochlorine fungicide widely used for crop production and has become an environmental concern. Little is known about the effect of PCNB on ovarian steroidogenesis and follicular development. We found that PCNB stimulated Star expression and progesterone production in cultured rat granulosa cells in a dose-dependent manner. PCNB activated mitogen-activated protein kinase (MAPK3/1) extracellulat regulated kinase (ERK1/2), thus inhibition of either protein kinase A (PKA) or MAPK3/1 signaling pathway significantly attenuated progesterone biosynthesi
APA, Harvard, Vancouver, ISO, and other styles
6

Yuan, Lei, Zhong Lin Chen, Yue Liu, and Yu Liu. "Catalytic Ozonation for the Degradation of p-Chloronitrobenzene in Aqueous Solution by Pumice." Advanced Materials Research 239-242 (May 2011): 1123–28. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.1123.

Full text
Abstract:
Catalytic ozonation of p-Chloronitrobenzene (pCNB) in aqueous solution has been carried out where pumice have been used as the catalysts. The presences of the catalysts significantly improve the degradation efficiency of pCNB and the utilization efficiency of ozone. The adsorption of pCNB is too small to make a significant contribution to the degradation of pCNB in either of the processes of catalytic ozonation by pumice. Addition of t-BuOH causes the obvious decrease of degradation efficiency, suggesting that degradation of pCNB follows the mechanism of hydroxyl radical (OH) oxidation. Some o
APA, Harvard, Vancouver, ISO, and other styles
7

Hagan, A. K., J. R. Weeks, and J. A. McGuire. "Comparison of Soil Insecticides Alone and In Combination With PCNB for Suppression of Southern Stem Rot of Peanut1." Peanut Science 15, no. 1 (1988): 35–38. http://dx.doi.org/10.3146/i0095-3679-15-1-10.

Full text
Abstract:
Abstract The soil insecticides, chlorpyrifos 15G (2.2 kg a.i./ha), ethoprop 15G (3.3 kg a.i./ha), and fonofos (2.2 kg a.i./ha) were compared with pentachloronitrobenzene (PCNB) 10G (11.2 kg a.i./ha) and PCNB (11.2 kg a.i./ha) + insecticide combinations for suppression of southern stem rot caused by Sclerotium rolfsii on peanut in a series of field trials in 1985, 1986, and 1987 in southeastern Alabama. Stem rot loci counts were reduced each year by chlorpyrifos and two of three years of ethoprop, and fonofos compared to the non-treated control. Disease suppression with chlorpyrifos and ethopro
APA, Harvard, Vancouver, ISO, and other styles
8

Liu, Yue, Lei Liu, and Wei Jin Gong. "Degradation of p-Chloronitrobenzene in Aqueous Solution by Iron Silicate Catalytic Ozonation." Advanced Materials Research 955-959 (June 2014): 2162–68. http://dx.doi.org/10.4028/www.scientific.net/amr.955-959.2162.

Full text
Abstract:
Iron silicate, a stable and efficient catalyst prepared in the laboratory has been successfully used as a catalyst combined with ozonation in the degradation of p-Chloronitrobenzene (pCNB). The catalytic ozonation removal effectiveness of pCNB was investigated under various physicochemical conditions. Both the adsorption and the single ozonation were not effective for the degradation of pCNB, but the presence of iron silicate in ozonation process could substantially enhance the pCNB removal efficiency. The hydroxyl radical scavenger experiment confirmed that iron silicate catalytic ozonation f
APA, Harvard, Vancouver, ISO, and other styles
9

Neng, Jing, Caiping Liao, Yazhi Wang, Yan Wang, and Kai Yang. "Rapid and Sensitive Detection of Pentachloronitrobenzene by Surface-Enhanced Raman Spectroscopy Combined with Molecularly Imprinted Polymers." Biosensors 12, no. 2 (2022): 52. http://dx.doi.org/10.3390/bios12020052.

Full text
Abstract:
Molecularly imprinted polymers (MIPs) specifically targeting pentachloronitrobenzene (PCNB) and containing silver nanoparticles have been prepared by free radical polymerization reaction using methyl methacrylate (MMA) as a functional monomer, PCNB as a template molecule, 1,4-butanedioldimethacrylate as a cross linker, lauroyl peroxide (LPO) as an initiator, and the silver nanoparticles with the best surface-enhanced Raman scattering (SERS) effect as SERS enhancement materials. Our results indicated that MIPs specifically recognize PCNB from complex matrices. The intensity of the PCNB characte
APA, Harvard, Vancouver, ISO, and other styles
10

Fan, Guoqiang, Tianzhu Shen, Kun Jia, et al. "Pentachloronitrobenzene Reduces the Proliferative Capacity of Zebrafish Embryonic Cardiomyocytes via Oxidative Stress." Toxics 10, no. 6 (2022): 299. http://dx.doi.org/10.3390/toxics10060299.

Full text
Abstract:
Pentachloronitrobenzene (PCNB) is an organochlorine protective fungicide mainly used as a soil and seed fungicide. Currently, there are few reports on the toxicity of PCNB to zebrafish embryo. Here, we evaluated the toxicity of PCNB in aquatic vertebrates using a zebrafish model. Exposure of zebrafish embryos to PCNB at concentrations of 0.25 mg/L, 0.5 mg/L, and 0.75 mg/L from 6 hpf to 72 hpf resulted in abnormal embryonic development, including cardiac malformation, pericardial edema, decreased heart rate, decreased blood flow velocity, deposition at yolk sac, shortened body length, and incre
APA, Harvard, Vancouver, ISO, and other styles
More sources

Dissertations / Theses on the topic "PCNB"

1

Binns, Nigel P. "Aspects of the regulation of expression of pcnB, which encodes poly (A) polymerase I of Escherichia coli." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/10816.

Full text
Abstract:
The <i>pcnB </i>gene encodes poly(A) polymerase I (PAP I), the major <i>Escherichia coli</i> poly(A) polymerase involved in mRNA processing, and the decay of small plasmid copy number controls RNAs. Prior to the study presented here, the transcriptional and translational organisation of the <i>pcnB</i> region was ill-defined. In this work, the <i>pcnB</i> promoter, identified by sub-cloning and primer extension analysis, was found to resemble closely a consensus s<sup>70</sup> promoter in both sequence and activity. Operon fusions of <i>pcnB </i>with <i>lacZ</i> are only slightly derepressed i
APA, Harvard, Vancouver, ISO, and other styles
2

Kotze, WP. "Electronic in-circuit PCB testers & identifier PCB tester." Thesis, Cape Technikon, 1989. http://hdl.handle.net/20.500.11838/1166.

Full text
Abstract:
Thesis (Masters Diploma(Electrical Engineering)) -- Cape Technikon, Cape Town,1989<br>various types of electronic card test equipment are freely available today for different types of electronic printed circuit boards. A company certainly wants to pick the most suitable tester to suit their needs, and more importantly a tester that will fit into their bUdget. Today a company can easily import in-circuit testers that will cost well in the reglon of six figures. The cheaper the equipment go, the less features one can expect from the equipment. Like all other big decisions in life, this
APA, Harvard, Vancouver, ISO, and other styles
3

Behrens, Leif [Verfasser]. "Schleifen von PCBN / Leif Behrens." Hannover : Technische Informationsbibliothek (TIB), 2016. http://d-nb.info/1122489099/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Paulsrud, Lars Evensen. "PCB i betong." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for kjemi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-13334.

Full text
Abstract:
Et større riveprosjekt ble igangsatt ved St. Olavs hospital høsten 2010. Riveprosjektet ble også kalt for Norges største riveprosjekt, og tidlige estimater anslo at opp til 50 000 tonn betongbygg skulle rives. I forbindelse med dette ble det gjennomført en miljøkartlegging av NGU shortciteN{andersson2009} som konkluderte med at mange av byggene var lavkontaminert med PCB. Entrepenørfelleskapet DOKKEN AS og PeWe sto for rivingen av sykeshuset.Dokken AS hadde samlet inn data som antydet at PCB vil oppkonsentreres i en finfraksjon (mhp kornstørrelse) ved knusing og påfølgende sikting. Dette ble
APA, Harvard, Vancouver, ISO, and other styles
5

Kubik, Jan. "PCB fluxgate sensors." Aachen Shaker, 2006. http://d-nb.info/994628080/04.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Madhuri, V. "Design, synthesis and biophysical evaluation of polycarbamate and methyl-polycarbamate nucleic acids (PCNA and Me-PCNA)." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 2010. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/3722.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

QI, SHUANG. "PCB VOLATILIZATION FROM SEDIMENTS." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1046964839.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Krödel-Worbes, Alexander [Verfasser]. "Lasermikrobearbeitung von PcBN-Zerspanwerkzeugen / Alexander Krödel-Worbes." Garbsen : TEWISS - Technik und Wissen GmbH, 2019. http://d-nb.info/1205496920/34.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Hioki, Daniel. "Usinagem dura do aço 100Cr6 com PCBN." Florianópolis, SC, 1998. http://repositorio.ufsc.br/xmlui/handle/123456789/77497.

Full text
Abstract:
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico.<br>Made available in DSpace on 2012-10-17T04:46:34Z (GMT). No. of bitstreams: 0Bitstream added on 2016-01-09T00:18:51Z : No. of bitstreams: 1 171047.pdf: 8505083 bytes, checksum: 271466b85e9e844aa926708090201540 (MD5)<br>A necessidade contínua de reduzir os custos de produção tem sido um dos fatores mais importantes para a sobrevivência de uma empresa em um mercado cada vez mais competitivo. A utilização do PCBN como ferramenta de corte permite otimizar o processo de fabricação que envolve peças temperadas, su
APA, Harvard, Vancouver, ISO, and other styles
10

Persson, N. Johan. "Models of the Distribution of Persistent Organic Pollutants in the Marine Environment." Doctoral thesis, Stockholm : Univ, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-11.

Full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Books on the topic "PCNB"

1

Illinois. Office of Chemical Safety. PCB free. Illinois Environmental Protection Agency, Office of Chemical Safety, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
2

Woodyard, John P. PCB management handbook. 2nd ed. Executive Enterprises Publications Co., 1992.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
3

Canadian Council of Resource and Environment Ministers., ed. The PCB story. Canadian Council of Resource and Environment Ministers, 1986.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
4

Kuntz, Glenn. PCB regulation manual. Executive Enterprises Publications Co., 1990.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
5

Lee, Hoyun. Proliferating cell nuclear antigen (PCNA). Research Signpost, 2006.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
6

D, Erickson Mitchell, ed. Remediation of PCB spills. Lewis Publishers, 1993.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
7

Wabeke, Roger L. Polychlorinated biphenyl (PCB) toxicity. Edited by Weinstein Richard MD, Letz Gideon, United States. Agency for Toxic Substances and Disease Registry, and DeLima Associates. U.S. Dept. of Health & Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry, 1990.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
8

Woodyard, John P. PCB management under TSCA. Executive Enterprises Publications Co., 1989.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
9

Superfund Innovative Technology Evaluation Program (U.S.), ed. Clor-N-Soil PCB test kit L2000 PCB/chloride analyzer: Dexsil Corp. U.S. Environmental Protection Agency, Superfund Innovative Technology Evaluation, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
10

Superfund Innovative Technology Evaluation Program (U.S.), ed. Clor-N-Soil PCB test kit L2000 PCB/chloride analyzer: Dexsil Corp. U.S. Environmental Protection Agency, Superfund Innovative Technology Evaluation, 1995.

Find full text
APA, Harvard, Vancouver, ISO, and other styles
More sources

Book chapters on the topic "PCNB"

1

Tschiggfrei, Karin, Alexander Schächtele, Alwyn R. Fernandes, et al. "WHO- and UNEP-Coordinated Exposure Studies 2000–2019: Findings of Polychlorinated Naphthalenes." In Persistent Organic Pollutants in Human Milk. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-34087-1_11.

Full text
Abstract:
AbstractThe concentrations of polychlorinated naphthalenes (PCN) were determined in 40 pooled human milk samples from 39 countries covering all five of the United Nations regional groups. The samples were collected in the 2016–2019 exposure studies on persistent organic pollutants coordinated by the United Nations Environment Programme (UNEP).The median concentration of the sum of 26 PCN was 55 pg/g lipid (range 27 pg/g to 170 pg/g). Human milk from European countries showed considerably higher levels than those found in milk from countries in the African, Asia-Pacific, and Latin America/Carib
APA, Harvard, Vancouver, ISO, and other styles
2

Muro, Yoshinao, and Eng M. Tan. "PCNA." In Manual of Biological Markers of Disease. Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1670-1_23.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Migliozzi, Matthew T., Mark G. Biebel, and Michael P. Kurtz. "PCNL." In Minimally Invasive and Robotic-Assisted Surgery in Pediatric Urology. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57219-8_18.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Braun-Falco, Markus, Henry J. Mankin, Sharon L. Wenger, et al. "PCNV." In Encyclopedia of Molecular Mechanisms of Disease. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-29676-8_5110.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Lahme, Sven. "Minimal-Invasive PCNL (Mini-PCNL)." In Percutaneous Nephrolithotomy. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0575-1_16.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Veser, Julian, and Christian Seitz. "Tubeless PCNL." In Percutaneous Nephrolithotomy. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0575-1_11.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Lindblad, Thomas, and Jason M. Kinser. "PCNN Theory." In Image Processing using Pulse-Coupled Neural Networks. Springer London, 1998. http://dx.doi.org/10.1007/978-1-4471-3617-0_2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Piechota, Hansjürgen, Michael Waldner, and Stephan Roth. "Stichkanalblutung, PCNL." In Tips und Tricks für den Urologen. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-00540-8_101.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Piechota, Hansjürgen, Michael Waldner, and Stephan Roth. "Steinextraktion, PCNL." In Tips und Tricks für den Urologen. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-662-00540-8_99.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Webb, David R. "Routine PCNL." In Percutaneous Renal Surgery. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-22828-0_5.

Full text
APA, Harvard, Vancouver, ISO, and other styles

Conference papers on the topic "PCNB"

1

Li, Meihui, Chunhe Song, Xia Yu, Mengmeng Chu, and Rui Li. "PCEB-YOLOV8: An Improved PCB Defect Detection Method Based on YOLOV8." In 2024 8th International Conference on Electrical, Mechanical and Computer Engineering (ICEMCE). IEEE, 2024. https://doi.org/10.1109/icemce64157.2024.10862850.

Full text
APA, Harvard, Vancouver, ISO, and other styles
2

Zhang, Dongmei, Zhonglin Chen, Zhenzhen Xu, and Jimin Shen. "Adsorptive Removal of p-chloronitrobenzene (pCNB) by Mesoporous Silica HMS from Aqueous Solution." In 2009 International Conference on Energy and Environment Technology. IEEE, 2009. http://dx.doi.org/10.1109/iceet.2009.336.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Shen, Ting-Yu, Chia-Cheng Pai, Tsai-Chieh Chen, James Chien-Mo Li, and Samuel Pan. "Test methodology for PCHB/PCFB Asynchronous Circuits." In 2018 IEEE International Test Conference (ITC). IEEE, 2018. http://dx.doi.org/10.1109/test.2018.8624757.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Rebello, Gabriel Antonio F., Maria Potop-Butucaru, Marcelo Dias de Amorim, and Otto Carlos M. B. Duarte. "Protegendo Redes de Canais de Pagamento Sem Fio com Janelas de Tempo de Bloqueio Mínimas." In Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais. Sociedade Brasileira de Computação - SBC, 2021. http://dx.doi.org/10.5753/sbseg.2021.17323.

Full text
Abstract:
Redes de canais de pagamento (Payment Channel Networks - PCN) aumentam o impacto das criptomoedas, fornecendo uma solução rápida e independente de consenso para mitigar os problemas de escalabilidade dos protocolos tradicionais de correntes de blocos (blockchain). No entanto, as PCNs atuais são baseadas em nós robustos com alta disponibilidade e capacidade computacional, dificultando sua adoção em ambientes móveis e sem fio. Este artigo propõe uma arquitetura PCN híbrida que estende as funcionalidades das PCNs tradicionais para cenários de dispositivos sem fio com recursos limitados. O artigo
APA, Harvard, Vancouver, ISO, and other styles
5

Rebello, Gabriel Antonio F., Maria Potop-Butucaru, Marcelo Dias de Amorim, and Otto Carlos M. B. Duarte. "Protegendo Redes de Canais de Pagamento Sem Fio com Janelas de Tempo de Bloqueio Mínimas." In Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais. Sociedade Brasileira de Computação - SBC, 2021. http://dx.doi.org/10.5753/sbseg.2021.17323.

Full text
Abstract:
Redes de canais de pagamento (Payment Channel Networks - PCN) aumentam o impacto das criptomoedas, fornecendo uma solução rápida e independente de consenso para mitigar os problemas de escalabilidade dos protocolos tradicionais de correntes de blocos (blockchain). No entanto, as PCNs atuais são baseadas em nós robustos com alta disponibilidade e capacidade computacional, dificultando sua adoção em ambientes móveis e sem fio. Este artigo propõe uma arquitetura PCN híbrida que estende as funcionalidades das PCNs tradicionais para cenários de dispositivos sem fio com recursos limitados. O artigo
APA, Harvard, Vancouver, ISO, and other styles
6

Rebello, Gabriel A. F., Luís Henrique M. K. Costa, Maria Potop-Butucaru, Marcelo Dias de Amorim, and Otto Carlos M. B. Duarte. "Payment Channel Networks with Resource-constrained Devices." In Anais Estendidos do Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais. Sociedade Brasileira de Computação - SBC, 2024. http://dx.doi.org/10.5753/sbseg_estendido.2024.242064.

Full text
Abstract:
Payment-channel networks (PCN) represent the leading solution to scale blockchain-based payments to the performance levels of centralized payment systems. However, current PCNs require nodes to stay permanently online and have enough resources to execute payment security mechanisms. Such assumptions are difficult to guarantee in battery-powered devices with intermittent connectivity patterns, such as mobile phones, smart objects, and sensors. In this thesis, we address the case of PCNs with resource-constrained devices on several fronts. First, we formalize a hybrid PCN model that considers li
APA, Harvard, Vancouver, ISO, and other styles
7

Camilo, Gustavo F., Gabriel Antonio F. Rebello, Lucas Airam C. de Souza, Miguel Elias M. Campista, and Luís Henrique M. K. Costa. "Posicionamento Lucrativo de Nós e Criação de Rotas de Baixo Custo na Rede Relâmpago." In Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos. Sociedade Brasileira de Computação - SBC, 2023. http://dx.doi.org/10.5753/sbrc.2023.532.

Full text
Abstract:
As redes de canais de pagamento (Payment Channel Networks - PCN) têm atingido sucesso ao substituir os lentos mecanismos de consenso global por acordos criptográficos locais entre nós participantes. Apesar do sucesso, as PCNs sofrem com os modelos atuais de posicionamento de novos nós participantes, que ignoram possíveis ganhos financeiros dos usuários e incentivam a centralização da rede. Este artigo apresenta um modelo de adição de novos nós à rede que cria conexões de alto retorno financeiro ao usuário e baixo custo de emissão de transações. O trabalho formula o problema da adição do nó à r
APA, Harvard, Vancouver, ISO, and other styles
8

Mineiro, Ricardo, J. Rodrigues, C. M. Fernandes, et al. "Development of Low PcBN Composites by SPS." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235765022.

Full text
Abstract:
Cubic boron nitride (cBN) is normally used as the hardest phase of composites, together with ceramic and/or metallic matrixes, to form PcBN (Polycrystalline cubic Boron Nitride) materials applied in machining and finishing operations. While high PcBN (70–90 vol% cBN) is only produced by HPHT (High Pressure High Temperature) techniques, low PcBN (40–70 vol% cBN) can also be consolidated by SPS (Spark Plasma Sintering) since higher volume of binders are present. In this work, a cBN micrometer powder is combined with TiCN and Ni to produce composites with hard matrix phases, predicted by the calc
APA, Harvard, Vancouver, ISO, and other styles
9

Werschmoeller, Dirk, and Xiaochun Li. "Embedding of Micro Thin Film Sensors Into Polycrystaline Cubic Boron Nitride (PCBN) for Potential Tooling Applications Via Diffusion Bonding." In ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASMEDC, 2008. http://dx.doi.org/10.1115/msec_icmp2008-72504.

Full text
Abstract:
Polycrystalline cubic boron nitride (PCBN) is increasingly being used in manufacturing processes to increase tool life and processing speed. Existing sensors in PCBN tools are unable to provide accurate time- and space-resolved measurements of the thermo-mechanical phenomena at and near the tool-work interface. Using microfabrication techniques along with diffusion bonding, thin film palladium-13wt% chromium (PdCr) alloy micro strain gage sensors were successfully embedded into PCBN structures for potential tooling applications. This article reports on the design, fabrication and characterizat
APA, Harvard, Vancouver, ISO, and other styles
10

Moon, Yang Ho. "Fatigue Analysis of Rigid-Flexible PCB for Cellular Phone and Design of Bending Endurance Reliability Tester." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79225.

Full text
Abstract:
Flexible PCB of cellular phone constructed of flexible Copper Clad Laminate (FCCL) covered with cover-layer is opened electrically under repeated bending due to formation and propagation of fatigue crack in copper. The life of rigid-flexible PCB is estimated using the finite element method and fatigue analysis considering contact condition of assembly process of the rigid-flexible PCB, opening and closing the phone. And rigid-flexible PCB bending endurance tester is designed to test bending reliability without cellular phone. Using rigid-flexible PCB bending endurance tester, bending reliabili
APA, Harvard, Vancouver, ISO, and other styles

Reports on the topic "PCNB"

1

รังสีพิพัฒน์, อนุเทพ, та ชนินทร์ กัลล์ประวิทธ์. การศึกษาการพยากรณ์โรคมะเร็งชนิดเมลาโนมาในช่องปากสุนัข : รายงานผลการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2004. https://doi.org/10.58837/chula.res.2004.80.

Full text
Abstract:
วัตถุประสงค์ของงานวิจัยนี้เพื่อศึกษาหาความสัมพันธ์ของการจำแนกประเภทและปัจจัยทางคลินิกของมะเร็งเมลาโนมาในช่องปากสุนัข การแสดงออกของโปรตีน Melan A ค่าดัชนี Argyrophilic Nucleolar Organizer Regions (AgNORs) และค่าดัชนี Proliferative Cell Nuclear Antigen (PCNA) เพื่อการพยากรณ์โรค โดยทำการศึกษาข้อมูลย้อนหลังชิ้นเนื้อที่ส่งชันสูตรที่ภาควิชาพยาธิวิทยา คณะสัตวแพทยศาสตร์ จุฬาลงกรณ์มหาวิทยาลัย ในช่วงปี พ.ศ. 2543-2546 จำนวน 67 ตัวอย่าง การจำแนกลักษณะทางจุลพยาธิวิทยา พบชนิด benign melanocytoma ร้อยละ 2.98 (2/67) และชนิด malignant melanoma ร้อยละ 97.02 (65/67) ซึ่งแบ่งออกเป็น epithelioid cell type ร้อยละ 4
APA, Harvard, Vancouver, ISO, and other styles
2

Davisson, Vincent J., Anthony Pedley, Qingshou Chen, Matthew Bartolowits, and Raymond Fatig. Targeting PCNA Phosphorylation in Breast Cancer. Defense Technical Information Center, 2012. http://dx.doi.org/10.21236/ada586048.

Full text
APA, Harvard, Vancouver, ISO, and other styles
3

Davisson, Vincent J., Anthony Pedley, Qingshou Chen, Matthew Bartolowits, and Raymond Fatig. Targeting PCNA Phosphorylation in Breast Cancer. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada586063.

Full text
APA, Harvard, Vancouver, ISO, and other styles
4

Davisson, Vincent J., Anthony Pedley, Qingshou Chen, and Matthew Bartolowits. Targeting PCNA Phosphorylation in Breast Cancer. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada554228.

Full text
APA, Harvard, Vancouver, ISO, and other styles
5

Singh, Abhishek, and Ravindra Sabnis. Does tract size matter in PCNL? BJUI Knowledge, 2020. http://dx.doi.org/10.18591/bjuik.0719.

Full text
APA, Harvard, Vancouver, ISO, and other styles
6

Okeke, Zeph, Gregory Mullen, Arthur Smith, and David Hoenig. How to avoid complications in PCNL. BJUI knowledge, 2024. http://dx.doi.org/10.18591/bjuik.0443.v2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Foster, I., and S. Tuecke. Parallel programming with PCN. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/5955653.

Full text
APA, Harvard, Vancouver, ISO, and other styles
8

Foster, I., and S. Tuecke. Parallel programming with PCN. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/6681553.

Full text
APA, Harvard, Vancouver, ISO, and other styles
9

Marshall, David B. Reducing Fracture Tendencies in PCBN FSW Tools. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada504865.

Full text
APA, Harvard, Vancouver, ISO, and other styles
10

Marshall, David. Reducing Fracture Tendencies in PCBN FSW Tools. Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada524909.

Full text
APA, Harvard, Vancouver, ISO, and other styles
We offer discounts on all premium plans for authors whose works are included in thematic literature selections. Contact us to get a unique promo code!