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Статті в журналах з теми "UNCCD"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 17 лютого 2022

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1

Conliffe, Alexandra. "Combating Ineffectiveness: Climate Change Bandwagoning and the UN Convention to Combat Desertification." Global Environmental Politics 11, no. 3 (2011): 44–63. http://dx.doi.org/10.1162/glep_a_00068.

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This article examines the role of linkage politics in revitalizing the largely ineffective UN Convention to Combat Desertification (UNCCD). I argue that the UNCCD Secretariat has taken a leadership role in driving a regime linkage agenda that has focused disproportionately on linkages to the UN Framework Convention on Climate Change (UNFCCC). By comparing the UNCCD Secretariat's attempts to build desertification-mitigation and desertification-adaptation linkages, I propose three criteria for predicting whether regime linkages are likely to benefit source regimes (here the UNCCD): the linkage's

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2

Stringer, Lindsay C., Mark S. Reed, Andrew J. Dougill, Mary K. Seely, and Martin Rokitzki. "Implementing the UNCCD: Participatory challenges." Natural Resources Forum 31, no. 3 (2007): 198–211. http://dx.doi.org/10.1111/j.1477-8947.2007.00154.x.

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3

Bassett, Charles, and Joana Talafré. "Implementing the UNCCD: Towards a Recipe for Success." Review of European Community & International Environmental Law 12, no. 2 (2003): 133–39. http://dx.doi.org/10.1111/1467-9388.00354.

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4

Sarabhai, Kartikeya V. "UNCED to UNCSD." Journal of Education for Sustainable Development 5, no. 1 (2011): 1–2. http://dx.doi.org/10.1177/097340821000500101.

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5

Chasek, Pamela, Mariam Akhtar-Schuster, Barron Joseph Orr, Anna Luise, Harifidy Rakoto Ratsimba, and Uriel Safriel. "Land degradation neutrality: The science-policy interface from the UNCCD to national implementation." Environmental Science & Policy 92 (February 2019): 182–90. http://dx.doi.org/10.1016/j.envsci.2018.11.017.

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6

Kong, Zheng-Hong, Lindsay Stringer, Jouni Paavola, and Qi Lu. "Situating China in the Global Effort to Combat Desertification." Land 10, no. 7 (2021): 702. http://dx.doi.org/10.3390/land10070702.

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Анотація:

International efforts to tackle desertification led by the United Nations Convention to Combat Desertification (UNCCD) support participatory approaches. The emphasis has been on dialogue between different perspectives, which are often grounded in individualism rather than prioritizing society as a whole, and as a result progress in implementation has been slow. China has made substantial progress in tackling desertification, but its approaches have been controversial, and the sustainability of its achievements has been questioned. While China has been active in UNCCD processes, its approach to

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7

Maltitz, G. von. "Institutions for sustainable land management: reflections on institutional aspects of implementing the UNCCD in South Africa." African Journal of Range & Forage Science 26, no. 3 (2009): 159–68. http://dx.doi.org/10.2989/ajrf.2009.26.3.7.952.

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8

Hendrickson, Ole, and Stephen Aitken. "Statement of Concern regarding the Government of Canada’s withdrawal from the United Nations Convention to Combat Desertification (UNCCD)." Biodiversity 14, no. 3 (2013): 131–32. http://dx.doi.org/10.1080/14888386.2013.826448.

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9

Bruyninckx, Hans. "The Convention to Combat Desertification and the Role of Innovative Policy-Making Discourses: The Case of Burkina Faso." Global Environmental Politics 4, no. 3 (2004): 107–27. http://dx.doi.org/10.1162/1526380041748010.

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Анотація:

The UN Convention to Combat Desertification is a mix of traditional regime elements with a set of innovations. These innovative elements can be interpreted as emanations of policy discourses that have been gaining in importance since the introduction and the fairly broad acceptance of sustainable development and Agenda 21 as guiding conceptual frameworks. In this article I first elaborate on three of those discourses: the participatory, the decentralization and the local knowledge discourses. In a second part, I will look at Burkina Faso as an example of UNCCD policy implementation at the nati

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10

Oettlé, N., A. Arendse, B. Koelle, and A. van der Poll. "Community Exchange and Training in the Suid Bokkeveld: A UNCCD Pilot Project to Enhance Livelihoods and Natural Resource Management." Environmental Monitoring and Assessment 99, no. 1-3 (2004): 115–25. http://dx.doi.org/10.1007/s10661-004-4011-9.

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11

Sharma, Laxmi Kant, Alok Raj, and Kritika Somawat. "Spatio-temporal assessment of Environmentally Sensitive Areas (ESA) in The Thar Desert India, to combat desertification under UNCCD framework." Journal of Arid Environments 194 (November 2021): 104609. http://dx.doi.org/10.1016/j.jaridenv.2021.104609.

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12

Dunn, S. D., and H. G. Dallmann. "An upstream uncD sequence modulates translation of Escherichia coli uncC." Journal of Bacteriology 172, no. 5 (1990): 2782–84. http://dx.doi.org/10.1128/jb.172.5.2782-2784.1990.

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13

Gichenje, Muñoz-Rojas, and Pinto-Correia. "Opportunities and Limitations for Achieving Land Degradation-Neutrality through the Current Land-Use Policy Framework in Kenya." Land 8, no. 8 (2019): 115. http://dx.doi.org/10.3390/land8080115.

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Анотація:

The United Nations Convention to Combat Desertification (UNCCD) land degradation neutrality (LDN) scientific conceptual framework underscores that LDN planning and implementation should be integrated into existing planning processes and supported by an enabling policy environment. Land-use planning, which requires the integration of different policy goals across various sectors concerned with land-use, can be an effective mechanism through which decisions with respect to LDN can be coordinated. Using Kenya as a case study, we examined current policy instruments that directly or indirectly impa

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14

Barros, André Paulo de, and Marx Preste Barbosa. "Governance and Institutional sustainability of policies to combat desertification in Brazil: a comparative analysis with global institutions and processes of the UNCCD." Revista Brasileira de Geografia Física 8, no. 5 (2015): 1470–81. http://dx.doi.org/10.5935/1984-2295.20150081.

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15

King-Okumu, Caroline, Daniel Tsegai, Rajendra Prasad Pandey, and Gwyn Rees. "Less to Lose? Drought Impact and Vulnerability Assessment in Disadvantaged Regions." Water 12, no. 4 (2020): 1136. http://dx.doi.org/10.3390/w12041136.

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Droughts hit the most vulnerable people the hardest. When this happens, everybody in the economy loses over the medium- to long-term. Proactive policies and planning based on vulnerability and risk assessments can reduce drought risk before the worst impacts occur. The aim of this article is to inform a global initiative, led by the United Nations Convention to Combat Desertification (UNCCD), to mitigate the effects of drought on vulnerable ecosystems and communities. This is approached through a rapid review of experiences from selected nations and of the available literature documenting meth

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16

Gichenje, Helene, and Sérgio Godinho. "A Climate-Smart Approach to the Implementation of Land Degradation Neutrality within a Water Catchment Area in Kenya." Climate 7, no. 12 (2019): 136. http://dx.doi.org/10.3390/cli7120136.

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Анотація:

At the sub-national level, the United Nations Convention to Combat Desertification (UNCCD) proposes the analysis and contextualization of land degradation-neutrality (LDN) at a water catchment scale to provide decision support for the formulation of policies and programmes towards transformative LDN interventions. Building on a number of national LDN studies in Kenya, an approach for the implementation of LDN that is based on the spatial and temporal characterization of key land degradation and climate change variables was defined. For a selected water catchment area, the LDN baseline was comp

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17

Martínez-Valderrama, Jaime, Javier Ibáñez, Francisco J. Alcalá, and Silvio Martínez. "SAT: A Software for Assessing the Risk of Desertification in Spain." Scientific Programming 2020 (June 29, 2020): 1–12. http://dx.doi.org/10.1155/2020/7563928.

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Desertification is a major global environmental issue exacerbated by climate change. Strategies to combat desertification include prevention which seeks to reverse the process before the system reaches the stable desertified state. One of these initiatives is to implement early warning tools. This paper presents SAT (the Spanish acronym for Early Warning System), a decision support system (DSS), for assessing the risk of desertification in Spain, where 20% of the land has already been desertified and 1% is in active degradation. SAT relies on three versions of a Generic Desertification Model (

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18

Plaiklang, S., I. Sutthivanich, T. Sritarapipat, et al. "DESERTIFICATION ASSESSMENT USING MEDALUS MODEL IN UPPER LAMCHIENGKRAI WATERSHED, THAILAND." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLIII-B3-2020 (August 21, 2020): 1257–62. http://dx.doi.org/10.5194/isprs-archives-xliii-b3-2020-1257-2020.

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Abstract. Desertification is a global environmental problem. It affects harmful on economic, social and environmental that ultimately effects on quality of human life. Thailand is the 174th member of the UNCCD, according to the Thailand report of desertification by LDD (2004). It was found that the area of degraded land or desertification land in Thailand was 33.57 million hectares which were agricultural soil problem. Soil erosion and soil salinity are major problems for agricultural soil in Thailand. Thus, to prevent and fix such problems, assessment and evaluation of soil properties are ess

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19

Wang, Tuo, Gregory Giuliani, Anthony Lehmann, et al. "Supporting SDG 15, Life on Land: Identifying the Main Drivers of Land Degradation in Honghe Prefecture, China, between 2005 and 2015." ISPRS International Journal of Geo-Information 9, no. 12 (2020): 710. http://dx.doi.org/10.3390/ijgi9120710.

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Анотація:

The essence of the 2030 Agenda for Sustainable Development adopted by the United Nations is described in 17 Sustainable Development Goals (SDGs). SDG 15 focuses on Life on Land, in other words, terrestrial biodiversity and ecosystems, as well as their services. Land degradation is a severe anthropic and natural phenomenon that is affecting land use/cover globally; therefore, a dedicated target of the SDG 15 (the indicator 15.3.1) was proposed. The identification of the areas where land degradation has occurred and the analysis of its drivers allow for the design of solutions to prevent further

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20

Briassoulis, Helen. "Combating Land Degradation and Desertification: The Land-Use Planning Quandary." Land 8, no. 2 (2019): 27. http://dx.doi.org/10.3390/land8020027.

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Land-use planning (LUP), an instrument of land governance, is often employed to protect land and humans against natural and human-induced hazards, strengthen the resilience of land systems, and secure their sustainability. The United Nations Convention to Combat Desertification (UNCCD) underlines the critical role of appropriate local action to address the global threat of land degradation and desertification (LDD) and calls for the use of local and regional LUP to combat LDD and achieve land degradation neutrality. The paper explores the challenges of putting this call into practice. After pr

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21

Sterk, Geert, and Jetse J. Stoorvogel. "Desertification–Scientific Versus Political Realities." Land 9, no. 5 (2020): 156. http://dx.doi.org/10.3390/land9050156.

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Desertification is defined as land degradation occurring in the global drylands. It is one of the global problems targeted under the Sustainable Development Goals (SDG 15). The aim of this article is to review the history of desertification and to evaluate the scientific evidence for desertification spread and severity. First quantitative estimates of the global extent and severity of desertification were dramatic and resulted in the establishment of the UN Convention to Combat Desertification (UNCCD) in 1994. UNCCD’s task is to mitigate the negative impacts of desertification in drylands. Sin

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22

Dallmann, H. G., and S. D. Dunn. "Translation through an uncDC mRNA secondary structure governs the level of uncC expression in Escherichia coli." Journal of Bacteriology 176, no. 5 (1994): 1242–50. http://dx.doi.org/10.1128/jb.176.5.1242-1250.1994.

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23

Gouldson, Andy. "Unced round-up." European Environment 2, no. 3 (2007): 1. http://dx.doi.org/10.1002/eet.3320020302.

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24

Bourne, Richard. "Commonwealth at UNCED." Round Table 81, no. 324 (1992): 457–63. http://dx.doi.org/10.1080/00358539208454125.

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25

Shen, Lu Ming, and Zhen Chen. "A Numerical Study of Combined Rate, Size and Thermal Effects on the Responses of Ultrananocrystalline Diamond." Key Engineering Materials 334-335 (March 2007): 621–24. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.621.

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To better understand the responses of ultrananocrystalline diamond (UNCD) under extreme working conditions, a numerical study is performed to investigate the size, loading rate and thermal effects on the material properties of UNCD films. A combined kinetic Monte Carlo (KMC) and molecular dynamics (MD) method is first applied to simulate the growth of polycrystalline UNCD films. The responses of the resulting UNCD films with various grain sizes are then investigated by applying displacement–controlled tensile loading with different rates and temperatures in the MD simulations. The preliminary

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26

Halle, Mark. "UNCED: A Personal Record." NEW SOLUTIONS: A Journal of Environmental and Occupational Health Policy 3, no. 3 (1993): 24–28. http://dx.doi.org/10.2190/ns3.3.e.

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27

Högger, Rudolf, Bruno Messerli, and Peter Stone. "Mountain Agenda – UNCED 1992." Schweizerisches Jahrbuch für Entwicklungspolitik, no. 11 (January 1, 1992): 235–42. http://dx.doi.org/10.4000/sjep.1385.

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28

Thomas, Caroline. "Beyond UNCED: An introduction." Environmental Politics 2, no. 4 (1993): 1–27. http://dx.doi.org/10.1080/09644019308414099.

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29

Mundell, Ian. "Researchers look beyond UNCED." Nature 357, no. 6376 (1992): 269. http://dx.doi.org/10.1038/357269b0.

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30

Högger, Rudolf, Bruno Messerli, and Peter Stone. "Mountain Agenda – UNCED 1992." Annuaire suisse de politique de développement, no. 11 (January 1, 1992): 235–42. http://dx.doi.org/10.4000/aspd.1569.

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31

Bárcena, Alicia. "Marine agenda of UNCED." Marine Policy 18, no. 2 (1994): 99–103. http://dx.doi.org/10.1016/0308-597x(94)90012-4.

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32

Birnie, Patricia. "UNCED and marine mammals." Marine Policy 17, no. 6 (1993): 501–14. http://dx.doi.org/10.1016/0308-597x(93)90013-s.

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33

Burke, William T. "UNCED and the oceans." Marine Policy 17, no. 6 (1993): 519–33. http://dx.doi.org/10.1016/0308-597x(93)90015-u.

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34

Tolba, Mostafa K. "Ten years after UNCOD." Land Use Policy 4, no. 4 (1987): 363–70. http://dx.doi.org/10.1016/0264-8377(87)90059-7.

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35

Antrim, Lance N., and Pamela Chasek. "The UNCED negotiating process." Ocean & Coastal Management 18, no. 1 (1992): 79–99. http://dx.doi.org/10.1016/0964-5691(92)90052-m.

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36

Teng, Chien-Chung, Shin-Min Song, Chien-Min Sung, and Chhiu-Tsu Lin. "Structural Transformation upon Nitrogen Doping of Ultrananocrystalline Diamond Films by Microwave Plasma CVD." Journal of Nanomaterials 2009 (2009): 1–7. http://dx.doi.org/10.1155/2009/621208.

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Анотація:

The molecular properties and surface morphology of undoped and N-doped ultra-nanocrystalline diamond (UNCD) films deposited by microwave plasma CVD with addition of nitrogen are investigated with various spectroscopic techniques. The results of spatially resolved Raman scattering, ATR/FT-IR and XPS spectra show more amorphous andsp2/sp3ratio characteristics in N-doped UNCD films. The surface morphology in AFM scans shows larger nanocrystalline diamond clusters in N-doped UNCD films. Incorporation of nitrogen into UNCD films has promoted an increase of amorphoussp2-bonded carbons in the grain b

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37

Yang, Kai-Hung, Alexander K. Nguyen, Peter L. Goering, Anirudha V. Sumant, and Roger J. Narayan. "Ultrananocrystalline diamond-coated nanoporous membranes support SK-N-SH neuroblastoma endothelial cell attachment." Interface Focus 8, no. 3 (2018): 20170063. http://dx.doi.org/10.1098/rsfs.2017.0063.

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Ultrananocrystalline diamond (UNCD) has been demonstrated to have attractive features for biomedical applications and can be combined with nanoporous membranes for applications in drug delivery systems, biosensing, immunoisolation and single molecule analysis. In this study, free-standing nanoporous UNCD membranes with pore sizes of 100 or 400 nm were fabricated by directly depositing ultrathin UNCD films on nanoporous silicon nitride membranes and then etching away silicon nitride using reactive ion etching. Successful deposition of UNCD on the substrate with a novel process was confirmed wit

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38

Uhan, Sara, Nina Zidar, Aleš Tomažič, and Nina Hauptman. "Hypermethylated promoters of genes UNC5D and KCNA1 as potential novel diagnostic biomarkers in colorectal cancer." Epigenomics 12, no. 19 (2020): 1677–88. http://dx.doi.org/10.2217/epi-2020-0118.

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Aim: Identification of aberrant hypermethylation in promoter regions of candidate genes to discover potential biomarkers for colorectal cancer. Materials & Methods: Genes BMP2, IRF4, KCNA1, LRRC7, NRG3, SLC27A6 and UNC5D were pre-selected in a bioinformatics study for their hypermethylation status in colorectal cancer. Methylation analysis was performed on 202 cancer tissue specimens to validate candidate genes. Results: Genes KCNA1 and UNC5D displayed methylation in 95.3 and 99.7% of The Cancer Genome Atlas dataset samples and in 96 and 98% of our experimentally tested samples, respective

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39

Salgado-Meza, Michelle, Guillermo Martínez-Rodríguez, Pablo Tirado-Cantú, Eliel Eduardo Montijo-Valenzuela, and Rafael García-Gutiérrez. "Synthesis and Properties of Electrically Conductive/Nitrogen Grain Boundaries Incorporated Ultrananocrystalline Diamond (N-UNCD) Thin Films Grown by Microwave Plasma Chemical Vapor Deposition (MPCVD)." Applied Sciences 11, no. 18 (2021): 8443. http://dx.doi.org/10.3390/app11188443.

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Research and development have been performed to investigate the effect of total pressure and microwave power on the electrical conductivity of nitrogen (N) atoms’ grain boundaries incorporated ultrananocrystalline diamond (N-UNCD) films grown by microwave plasma chemical vapor deposition (MPCVD). Insertion of N atoms into the UNCD film’s grain boundaries induces N atoms chemical reaction with C-atoms dangling bonds, resulting in release of electrons, which induce electrical conductivity. Four-point probe electrical measurements show that the highest electrically conductive N-UNCD films, produc

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40

De Obaldia, Elida, Pablo Tirado, Jesús Alcantar, Jorge Montes, and Orlando Auciello. "Photoluminescence in Raman Scattering: Effects of HfO2 Template Layer on Ultrananocrystalline Diamond (UNCD) Films Grown on Stainless Steel Substrates." KnE Engineering 3, no. 1 (2018): 263. http://dx.doi.org/10.18502/keg.v3i1.1441.

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Анотація:

The growth of polycrystalline diamond films can play an important role in industry if they can be grown on industrially used materials like aluminum (Al) or stainless steel (SS). A critical issue related to the growth of ultrananocrystalline diamond (UNCD) thin films on metals like SS, in a Hydrogen rich environment like the one present during growth of UNCD films, is the diffusion of Hydrogen (H) into the SS substrate, as it has been observed in prior research, which results in hydride formation in the SS that induce brittleness in the SS substrate. Several interface layers have been proposed

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41

Zou, Mengnan, Mengjia Gaowei, Tianyi Zhou, et al. "An all-diamond X-ray position and flux monitor using nitrogen-incorporated ultra-nanocrystalline diamond contacts." Journal of Synchrotron Radiation 25, no. 4 (2018): 1060–67. http://dx.doi.org/10.1107/s1600577518006318.

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Анотація:

Diamond X-ray detectors with conducting nitrogen-incorporated ultra-nanocrystalline diamond (N-UNCD) films as electrodes were fabricated to measure X-ray beam flux and position. Structural characterization and functionality tests were performed for these devices. The N-UNCD films grown on unseeded diamond substrates were compared with N-UNCD films grown on a seeded silicon substrate. The feasibility of the N-UNCD films acting as electrodes for X-ray detectors was confirmed by the stable performance in a monochromatic X-ray beam. The fabrication process is able to change the surface status whic

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42

November, Andràs, Jacques Grinevald, Pierre Portas, and Christophe Dunand. "Themen und Fragen der UNCED." Schweizerisches Jahrbuch für Entwicklungspolitik, no. 11 (January 1, 1992): 159–75. http://dx.doi.org/10.4000/sjep.1388.

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43

Clerc, Alain. "UNCED – Fragen für die Schweiz." Schweizerisches Jahrbuch für Entwicklungspolitik, no. 11 (January 1, 1992): 205–12. http://dx.doi.org/10.4000/sjep.1392.

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44

Miles, Gerald. "UNCED: A Pacific Regional Perspective." Review of European Community and International Environmental Law 1, no. 3 (1992): 317–19. http://dx.doi.org/10.1111/j.1467-9388.1992.tb00052.x.

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45

McGowan, Alan. "Unced in the Public Eye." Environment: Science and Policy for Sustainable Development 33, no. 10 (1991): i. http://dx.doi.org/10.1080/00139157.1991.9932547.

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46

Collett, Stephen. "International:PrepCom 3: Preparing for UNCED." Environment: Science and Policy for Sustainable Development 34, no. 1 (1992): 3–45. http://dx.doi.org/10.1080/00139157.1992.9931416.

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47

Kimbal, Lee A. "UNCED and the oceans agenda." Marine Policy 17, no. 6 (1993): 491–500. http://dx.doi.org/10.1016/0308-597x(93)90012-r.

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48

Cicin-Sain, Biliana, and Robert W. Knecht. "Measuring progress on UNCED implementation." Ocean & Coastal Management 29, no. 1-3 (1995): 1–11. http://dx.doi.org/10.1016/0964-5691(96)00029-4.

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49

Mengui, Ursula A., N. G. Ferreira, M. R. Baldan, and Evaldo Jose Corat. "Morphological Characterization of UNCD on Etched <100> Silicon." Materials Science Forum 727-728 (August 2012): 1671–76. http://dx.doi.org/10.4028/www.scientific.net/msf.727-728.1671.

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We have proposed the growth of ultrananocrystalline diamond (UNCD) thin films on p-type (100) silicon etched with 27wt. % KOH in H2O. To get homogeneous distribution of micro pyramids on the silicon surface we have varied temperature (62 to 77 °C), etching time (1 to 35 min) and exposition diameter area (5 to 18 mm). For UNCD growth we have used hot filament chemical vapor deposition (HFCVD).The gas mixture have used 1 vol.% methane, 9 vol.% hydrogen and 90 vol.% argon, with the total flow rate of 200 sccm, at work pressure of 30 Torr. Images of Scanning Electron Microscopy (SEM) showed UNCD c

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50

Ohmagari, Shinya, Tsuyoshi Yoshitake, Akira Nagano, et al. "Near-Edge X-Ray Absorption Fine Structure of Ultrananocrystalline Diamond/Hydrogenated Amorphous Carbon Films Prepared by Pulsed Laser Deposition." Journal of Nanomaterials 2009 (2009): 1–5. http://dx.doi.org/10.1155/2009/876561.

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The atomic bonding configuration of ultrananocrystalline diamond (UNCD)/hydrogenated amorphous carbon (a-C:H) films prepared by pulsed laser ablation of graphite in a hydrogen atmosphere was examined by near-edge X-ray absorption fine structure spectroscopy. The measured spectra were decomposed with simple component spectra, and they were analyzed in detail. As compared to the a-C:H films deposited at room substrate-temperature, the UNCD/a-C:H and nonhydrogenated amorphous carbon (a-C) films deposited at a substrate-temperature of exhibited enhanced and peaks. At the elevated substrate-tempera

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