Relevant bibliographies by topics / NHG

Contents

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

Academic literature on the topic 'NHG'

Author: Grafiati
Published: 26 July 2024
Last updated: 29 July 2024

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Journal articles on the topic "NHG"

1

 . "NHG-Standaard Diagnstiek van mammacarcinoommammacarcinoom NHG-Standaard." Huisarts en Wetenschap 45, no. 9 (September 2002): 313. http://dx.doi.org/10.1007/bf03082889.

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Wan Johari, Wan Lutfi, Norhusna Ghazali, and Mohd Yunus Abd Shukor. "Biodecolorization of Azo Dyes by Microorganisms Isolated From Serdang and Merambong Soils." Bioremediation Science and Technology Research 2, no. 1 (July 20, 2014): 5–8. http://dx.doi.org/10.54987/bstr.v2i1.62.

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Several local microorganisms were isolated and screened for their capabilities to decolorize selected azo dyes. Two isolates, NHG and NH2 have shown their capabilities to decolorize azo dyes i.e. Reactive Black 5 (RB5, diazo) and Metanil Yellow (monoazo), respectively, under agitated condition at room temperature. Isolate NHG was capable to decolorize RB5 99.2% under shaking condition and only 43.88% under static condition in 24 hours. The use of glucose and yeast extract as carbon and nitrogen sources, respectively, has provided optimal decolorization of RB5 by isolate NHG. Isolate NH2, which was isolated from Merambong shoal soil sample, can decolorize 93.3% of Metanil Yellow in 24 hours. Crocein Orange G and Orange II, both have exactly the same molecular weights, were 25.9% and 47.8% decolorized, respectively by the same isolate under agitated conditions. No correlation between degradation rate and molecular weight, number of azo bonds or presence of aromatic molecules has been observed.
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 . "NHG-ledencongres." Huisarts en Wetenschap 44, no. 12 (December 2001): 152. http://dx.doi.org/10.1007/bf03082378.

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 . "NHG-Wetenschapsdag." Huisarts en Wetenschap 51, no. 4 (April 2008): 173. http://dx.doi.org/10.1007/bf03086720.

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 . "NHG-Wetenschapsdag." Huisarts en Wetenschap 51, no. 5 (May 2008): 241–46. http://dx.doi.org/10.1007/bf03086754.

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Beumer, Rob. "NHG-indicatoren." SynthesHis 11, no. 1 (March 2012): 28–29. http://dx.doi.org/10.1007/s12494-012-0016-x.

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 . "NHG Wetenschapsdag." Huisarts en Wetenschap 44, no. 3 (March 2001): 701. http://dx.doi.org/10.1007/bf03082647.

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 . "NHG-ledencongres." Huisarts en Wetenschap 45, no. 11 (November 2002): 196. http://dx.doi.org/10.1007/bf03082836.

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 . "NHG-wetenschapsdag." Huisarts en Wetenschap 45, no. 3 (March 2002): 684. http://dx.doi.org/10.1007/bf03083072.

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 . "NHG-Wetenschapsdag." Huisarts en Wetenschap 46, no. 6 (June 2003): 583. http://dx.doi.org/10.1007/bf03083428.

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Dissertations / Theses on the topic "NHG"

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Sobral, Louis Gustavo da Costa. "Propriedades t?rmicas e mec?nicas do NHG sob tra??o." PROGRAMA DE P?S-GRADUA??O EM F?SICA, 2017. https://repositorio.ufrn.br/jspui/handle/123456789/24043.

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Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq)
Materiais em 1 e 2 dimenso ?es, tais como nanofios, nanotubos, grafeno e nitreto de boro, atraem enorme interesse devido a seu potencial de aplica ?co ?es em novos dispositi- vos eletro?nicos e no gerenciamento do calor. Em contraste aos materiais tridimensionais, o transporte de calor em baixas dimenso ?es pode ser bem diferente. Grafeno exibe extraor- dina ?rias propriedades f ??sicas, incluindo uma extrema alta condutividade t ?ermica. Um novo material cristalino bidimensional como o grafeno com uma estequiometria C2N, com bura- cos uniformemente distribu ??dos e ?atomos de nitrog?enio em seu plano basal, o grafeno com buracos nitrogenado [ou nitrogenated holey graphene (NHG)], foi recentemente sintetizado. Aqui apresentamos uma investigac ? ?ao da condutividade t ?ermica do NHG via simula ?c ?oes com dina?mica molecular fora do equil ??brio baseado no potencial interato?mico de Tersoff. N ?os re- alizamos uma ana ?lise dos efeitos de tamanho finito e extrapolamos os nossos resultados para estimar as propriedades de longas folhas do NHG. Foi computada uma condutividade t ?ermica intr ??nseca 67,23 W/mK do NHG a temperatura ambiente, com um livre caminho m ?edio efe- tivo de 16,84 nm. Ambas as quantidades s ?ao muito menores do que as correspondentes para o grafeno. Sob tra ?ca ?o uniaxial e biaxial foi observado o aumento da condutividade t ?ermica e do correspondente livre caminho m ?edio efetivo, embora n ?ao seja t ?ao acentuada como no grafeno.
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Sedin, Engla Maria Helena. "Semi-automated immunohistochemical staining of the VEGF-A-protein for clinical use and the identification in NHG-graded breast carcinoma." Thesis, Uppsala universitet, Institutionen för kvinnors och barns hälsa, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-237106.

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Angiogenesis has a crucial influence on tumour development and identification of microvessels in malignant breast cancer tissue is an indicator for worse prognosis. Angiogenesis is partially governed by the family of vascular endothelial growth factors (VEGF) and their receptors, by which the VEGF-A-protein seems to be the most important factor.     The aims of this work were to first establish a method for immunohistological (IH)-staining of the VEGF-A-protein for clinical use and then to label and evaluate the expression of this protein in 31 Nottingham Histology Graded (NHG I-III) breast carcinoma.      Formaldehyde-fixated tissues from invasive breast neoplasms and control tissues were labelled with monoclonal antibodies against VEGF-A and CD31-proteins using a semi-automated IH-system from Ventana BenchMark. Positively stained vessels were counted from digital copies of microscopic pictures related to mm2 tissue.     A method of IH-labelling with VEGF-A protein was successfully established before staining of the breast tissue and in 19 of the 31 breast cancers. Vessels were counted for both antibodies. The VEGF-A-antibody stained 2.7 ± 2.3 (mean ± SD) vessels/mm2 and the CD31-antibody stained 27.3 ± 19.3 in the breast carcinoma tissue. The percent of VEGF-A-stained vessels in relation to CD31-stained were 7.6% in the NHG-I- (n=3), 7.8% in the NHG-II- (n=10) and 15.0% in the NHG-III-group (n=6).     The results demonstrate that increased NHG-grade and lower differentiation can be associated with higher percent of vessels expressing VEGF-A-protein. The result was not statistically certified because of the small number of stained breast cancers and additional investigations are recommended before clinical use.
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Massad, Raia Silvia. "Le point de compensation stomatique de l'ammoniac : comprendre et modéliser la relation au métabolisme azote de la plante." Paris 6, 2008. https://tel.archives-ouvertes.fr/tel-00364485.

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L’ammoniac atmosphérique (NH3) est principalement émis par l’agriculture. C’est le principal composé alcalin de l’atmosphère et il joue un rôle essentiel dans la chimie de l’atmosphère. La plante peut être un puits ou une source d’NH3 pour l’atmosphère. Le sens et l’intensité des échanges dépendant du gradient de concentration entre la cavité sous stomatique et l’air. La concentration en NH3 dans la cavité sous stomatique appelée aussi point de compensation stomatique pour l’ammoniac (Cs) est déterminée entre autre par le métabolisme azoté de la feuille et des diverses entrées et sorties à travers le xylème et le phloème. Jusqu’à présent, seuls des modèles empiriques ont été conçus pour modéliser Cs. Pour analyser le determinisme de Cs, nous avons conçue une expérimentation pour mesurer sa variabilité pour de jeunes plantes de colza en fonction de la nutrition azotée et des conditions jour et nuit. Deux méthodes de mesures ont été utilisées : l’extraction d’apoplaste et la chambre à flux. Les deux méthodes montrent une corrélation positive entre la concentration en NH4+ dans la solution nutritive et Cs. Par contre la concentration en NO3- a peu d’influence sur Cs de même qu’une alimentation mixte NH4+ et NO3- réduit Cs par rapport a une alimentation a même concentration en NH4+. Cs mesuré de jour n’est pas significativement différent du Cs mesuré de nuit même si il a tendance à être plus fort. Le modèle construit est un modèle a compartiment ; il est couplé à un modèle de continuum donnant des flux d’eau et en particulier la conductance stomatique. Le modèle montre une forte dépendance de Cs du flux d’eau, de la température et de la concentration en NH4+ dans le xylème.
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Khan, Zenith, and Sara Salim. "Identification and determination of NH4+ ions in D-Ala-NH2∙HCl drug substance by Ion Chromatography (IC)." Thesis, Malmö högskola, Fakulteten för teknik och samhälle (TS), 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:mau:diva-20896.

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The quality control laboratory at PolyPeptide has been performing analysis based on ion chromatography (IC) of peptides. A method for separation of negative ions (acetate, chloride etc) is already in use. Lately there has been a need for developing a method to separate positive ions, like ammonium ions, in peptides. The task of this project was to develop a method for ion chromatography, suitable for determination of ammonium ions in the substance D-alanine amide, hydrochloride (D-Ala-NH2∙HCl). The D-alanine amide, hydrochloride is an amino acid derivative used as starting material for chemical synthesis of peptides. These peptides are used as active pharmaceutical substances. It is most possible to find ammonium chloride in amino acids substances which content amid group, as D-Ala-NH2∙HCl. The ammonium chloride is formed during the synthesis of these amino acid derivatives. The reason for analysing ammonium ions is that there is some risk to find undesired impurities in the product. These impurities are difficult to remove.
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Twigg, Matthew. "Becoming Paul, becoming Christ : the Nag Hammadi 'Apocalypse of Paul' (NHC v,2) in its Valentinian context." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:1df4c390-28fa-4861-9a7d-a96779c1364c.

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This thesis seeks to demonstrate the Apocalypse of Paul's position within the broader Valentinian literary corpus from the Nag Hammadi codices. Previous scholars, notably William Murdock and Michael Kaler, have gestured in this direction, but no attempt has been made to systematically situate the Apocalypse of Paul in relation to other Valentinian sources. Quite possibly this desideratum exists because although the Apocalypse of Paul's debt to Jewish apocalypticism is self-evident, scholars of Valentinianism have generally neglected those ideas in Valentinian literature which are derived ultimately from Judaism, often received via Paul or other New Testament writers. These would include the notion of the Name of God as a saving power, even a soteriological agent, and the image of a surrogate heavenly temple through which favoured adepts may ascend in the present. These come to be combined in Valentinian thought through a high-priestly Christology in which it is by virtue of bearing the Divine Name that one may enter this ideal temple in the fashion of the old Jewish high priest, and now Christ. On the other hand, Valentinians downgrade the biblical creator-God to the level of an imperfect demiurge, placing him in an inferior heavenly temple while supplanting the Pleroma atop him as the true spiritual temple housing the Father of Christ. The development of this constellation of ideas is traced principally from Valentinus himself, through the Gospel of Truth and the Excerpts from Theodotus, to the Gospel of Philip, where it receives its most extensive explication. It is argued that the Apocalypse of Paul consciously builds on this intellectual current using the apostle's image in order to construct an ideal authoritative account of how such ascent ought to appear among Valentinian initiates and thereby contribute to the rhetorical and psychological construction of future experiences among the elect community.
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Нікітіна, В. М. "Сіль Рейнеке (NH4[Cr(NCS)4(NH3)2]-H2O) у прямому синтезі комплексів мідь (2) / хром (3) з n-донорними лігандами." Diss. of Candidate of Chemical Sciences, КНУТШ, 2009.

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Agrizzi, Dila Arlette. "Steering the NHS : costing information in a NHS Trust." Thesis, Royal Holloway, University of London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404419.

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Learmonth, Mark. "Rereading NHS management." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400167.

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Greenwell, June. "NHS hospital restructuring." Thesis, University of Bristol, 2000. http://hdl.handle.net/1983/3018fcc4-1251-4a19-9c44-cac50388eb17.

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Ezahri, Mohamed. "Etude de la solubilité dans l'eau et de la décomposition thermique des oxalates complexes : (NH4)3Al(C2O4)3, (NH4)3Fe(C2O4)3, (NH4)3Cr(C2O4)3, (NH4)2TiO(C2O4)2 et (NH4)2VO(C2O4)2." Lyon 1, 1994. http://www.theses.fr/1994LYO10164.

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L'objectif de ce travail est la mise au point de techniques douces en vue de l'elaboration de materiaux d'oxydes a matrice alumine. Dans ce but, ont ete etablis les diagrammes de solubilite dans l'eau d'oxalates complexes et sont presentes: les systemes binaires h#2o(nh#4)#3al(c#2o#4)#3 et h#2o-(nh#4)#3ad(c#2o#4)#2 (m=ti, v) les isothermes 25c des ternaires h#2o-(nh#4)#3al(c#2o#4)#3-(nh#4)#3n(c#2o#4)#3 (n=fe, cr) et h#2o-(nh#4)#3al(c#2o#4)#3-(nh#4)#2mo(c#2o#4)#2 la coupe 25c du quaternaire h#2o-(nh#4)#3al(c#2o#4)#3-1/2(nh#4)#3fe(c#2o#4)#3-1/2(nh#4)#ocr(c#2o#4)#3. Toutes les phases solides rencontrees ont ete analysees par radiocristallographie. Ces resultats sont mis a profit pour preparer des precurseurs de composition definie et etudier leur decomposition. Les produits obtenus ont ete identifies par diffraction de rayons x. Ainsi, ont ete prepares des oxydes mixtes (al#1#-#xcr#x)#2o#3 et le titanate al#2tio#5 dans des conditions moins severes que celles proposees anterieurement
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Books on the topic "NHG"

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Blijham, Joost. NHG clinical practice guidelines. Houten: Bohn Stafleu van Loghum, 2011. http://dx.doi.org/10.1007/978-90-313-8872-1.

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van Gunst, S. G., and V. G. Pigmans. NHG-Standaarden voor praktijkassistente 2010. Houten: Bohn Stafleu van Loghum, 2010. http://dx.doi.org/10.1007/978-90-313-7755-8.

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Boukes, F. S., R. M. M. Geijer, W. Opstelten, Tj Wiersma, and A. N. Goudswaard, eds. NHG- Standaarden voor de huisarts 2011. Houten: Bohn Stafleu van Loghum, 2011. http://dx.doi.org/10.1007/978-90-313-8279-8.

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van Gunst, S. G., and V. G. Pigmans. NHG-standaarden voor de praktijkassistente 2014. Houten: Bohn Stafleu van Loghum, 2014. http://dx.doi.org/10.1007/978-90-368-0485-1.

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Wiersma, Tj, F. S. Boukes, R. M. M. Geijer, and A. N. Goudswaard, eds. NHG-Standaarden voor de huisarts 2009. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9.

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van Gunst, S. G., and V. G. Pigmans. NHG-Standaarden voor de praktijkassistente 2013. Houten: Bohn Stafleu van Loghum, 2013. http://dx.doi.org/10.1007/978-90-313-9987-1.

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van Gunst, S. G., V. G. Pigmans, and C. J. in ’t Veld. NHG Standaarden voor praktijkassistente en -ondersteuner 2009. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6916-4.

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Keller, Peter M. Kommentar NHG: Kommentar zum Bundesgesetz über den Natur- und Heimatschutz. Zürich: Schulthess, 1997.

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Bernhard, Roberto. Etappen zur modernen Schweiz: Gedenkschrift der Neuen Helvetischen Gesellschaft (NHG) zum Jubiläumsjahr 1998. St.Gallen: Neue Helvetische Gesellschaft, 1998.

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Blijham, Joost. NHG Clinical Practice Guidelines: M09 Acute Otitis Media (AOM) M29 Feverish Illness in Childeren. Houten: Springer Uitgeverij, 2011.

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Book chapters on the topic "NHG"

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Rutten, FH, EP Walma, GI Kruizinga, HCA Bakx, and J. Van Lieshout. "NHG-Standaard Hartfalen." In NHG-Standaarden voor de huisarts 2009, 193–212. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_10.

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Smeele, I. J. M., C. Van Weel, C. P. Van Schayck, T. Van der Molen, B. Thoonen, T. Schermer, A. P. E. Sachs, et al. "NHG-Standaard COPD." In NHG-Standaarden voor de huisarts 2009, 301–29. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_15.

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Numans, M. E., N. J. De Wit, J. A. M. Dirven, G. J. B. Hurenkamp, Q. C. M. Meijer, J. W. M. Muris, J. R. Van der Laan, and J. A. M. Van Balen. "NHG-Standaard Maagklachten." In NHG-Standaarden voor de huisarts 2009, 351–69. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_17.

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Verhoeven, S., G. H. M. I. Beusmans, S. T. B. Van Bentum, J. J. Van Binsbergen, H. J. C. M. Pleumeekers, J. Schuling, and T. j. Wiersma. "NHG-Standaard CVA." In NHG-Standaarden voor de huisarts 2009, 383–401. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_19.

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Verheij, A. A. A., H. C. P. M. Van Weert, W. J. Lubbers, I. L. L. Van Sluisveld, G. A. F. Saes, W. H. Eizenga, F. S. Boukes, and J. Van Lieshout. "NHG-Standaard Duizeligheid." In NHG-Standaarden voor de huisarts 2009, 402–15. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_20.

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Knuistingh, A. Neven, M. E. L. Bartelink, T. O. H. De Jongh, J. E. P. Ongering, W. W. Oosterhuis, P. C. M. Van der Weerd, L. Pijnenborg, and M. H. Grol. "NHG-Standaard Hoofdpijn." In NHG-Standaarden voor de huisarts 2009, 416–35. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_21.

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Van Binsbergen, J. J., S. Verhoeven, B. T. S. Van Bentum, J. Schuling, G. H. M. I. Beusmans, H. J. C. M. Pleumeekers, and Tj Wiersma. "NHG-Standaard TIA." In NHG-Standaarden voor de huisarts 2009, 449–64. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_23.

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Terluin, B., F. B. Van Heest, K. Van der Meer, G. J. H. Neomagus, J. Hekman, L. P. J. Aulbers, J. S. Starreveld, and M. H. Grol. "NHG-Standaard Angststoornissen." In NHG-Standaarden voor de huisarts 2009, 469–86. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_25.

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Wind, A. W., J. Gussekloo, M. J. F. J. Vernooij-Dassen, M. Bouma, L. J. Boomsma, and F. S. Boukes. "NHG-Standaard Dementie." In NHG-Standaarden voor de huisarts 2009, 497–520. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_27.

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Leusink, L. G., T. M. J. Oltheten, M. E. L. Brugemann, A. Belgraver, A. M. J. Geertman, and M. A. J. Van Balen. "NHG-Standaard Amenorroe." In NHG-Standaarden voor de huisarts 2009, 583–95. Houten: Bohn Stafleu van Loghum, 2009. http://dx.doi.org/10.1007/978-90-313-6614-9_31.

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Conference papers on the topic "NHG"

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Suarez, Manuel, Matthew K. Hay, Kristi Naude, and Waruna D. Kulatilaka. "NH2* Chemiluminescence in Premixed NH3/H2/N2-Air Flames." In AIAA SCITECH 2024 Forum. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2024. http://dx.doi.org/10.2514/6.2024-0391.

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Al-Dousari, Sara, Haifa Al-Bader, Ahmed Al-Otaibi, Sara Al-Shuaib, and Bahaskar Chakrabarti. "Significant Impact of Non H-C Gases (NHG) on Reservoir Fluid of a Jurassic, HPHT and Tight Carbonate Discovery in North of Kuwait: A Case Study of a Sour and Critical Fluid Characteristics and Fluid Compartmentalization." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213472-ms.

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Abstract The objective of this paper is to show the effect of non-HC gases NHG on critical fluid characterization of HPHT discovered deep Jurassic reservoir in north Kuwait in addition to Fluid characterization and compartmentalization with objective of assessing HC potential, well deliverability and reservoir fluid & rock characteristics. Jurassic reservoirs in the state of Kuwait are deep and tight with High-Pressure and High-Temperature (HPHT) environment. The discovery well was drilled targeting the Marrat formation to prove hydrocarbon in this area. The well was successfully completed & tested and then a complete set of surface & subsurface data was acquired including production measurements and downhole P/T gauge data. The produced fluid was found highly sour and of critical-nature Therefore, a detailed fluid characterization process plus a fully-integrated G&G and Engineering analyses were performed to distinguish the fluid nature whether it is Volatile Oil or Gas Condensate and to prove reservoir and fluid compartmentalization using multiple PVT experiments and different analog wells from North Kuwait. Moreover, historical reservoir pressure and well performance for all the wells in this field were tracked and analyzed as t the discovered well was followed with an intensive appraisal campaign with variance in reservoir/fluids characteristics with objective of assessing HC potential for further Development plan to support achieving the strategic production targets. The four wells connected to one of Jurassic Facilities and ready for further development. By integrating both reservoir and fluid analysis, The Northern part observed better reservoir quality and production performance, while reservoir layers are thinning toward the southern part of the structure with the appearance of organic content. The PVT depletion experiments along with compositional analysis and phase envelop all indicated reservoir fluid type is Volatile oil, where saturation pressure is sensitive to reservoir temperature and percentage of non-hydrocarbon gases H2S & CO2. As a result, the fluid found to be highly volatile oil with very high GOR. Fluid compartmentalization is also observed in this field between the three wells as the fluids were lighter towards the south, which will be confirmed after testing the fourth well that was initially drilled to prove the structure boundary/extension. Tremendous exploration efforts and activities resulted in remarkable Jurassic light oil discovery with substantial addition of proven reserves and commercial production potential, which will definitely support achieving the strategic production targets. The exploratory and appraisal wells are currently connected to one of Kuwait's Jurassic facilities handling high concentrations of H2S. After the completion of exploration campaign and completing the fully-Integrated Engineering analyses the reservoir is ready to be transferred to the Hosting Field development.
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Rozler, Haim, Daniel Aminov, Dina Pines, and Ehud Pines. "Revisiting Photoacidity using R*NH2 Photoacids." In International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/up.2022.th4a.4.

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The 3 most common classes of photoacids, R*NH2, R*NH3+ and R*OH are compared. Clearly the molecular origins of photoacidity need to be considered not as a general phenomenon but separately for each class of photoacids.
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Pugh, Daniel, Philip Bowen, Burak Goktepe, Anthony Giles, Syed Mashruk, Agustin Valera Medina, and Steven Morris. "Influence of Steam and Elevated Ambient Conditions on N2O in a Premixed Swirling NH3/H2 Flame." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-102452.

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Abstract Renewably generated NH3 has the potential to support future energy demand, however combustor designs and strategies require considerable development to ensure reduced NOx emissions. Expanding on previous work, a turbulent swirl burner was used to appraise potential NOx reduction pathways, both experimentally and numerically, with a premixed NH3/H2/air flame. With a 100-year global warming potential ∼265 times that of CO2, particular emphasis was given to N2O. Maintaining a constant thermal power, reactants were supplied at elevated temperature, with parametric changes made to pressure and humidity. Favourable agreement was demonstrated between exhaust emission measurements and simulations performed using a chemical reactor network model. NO and N2O emissions were shown to be sensitive to operational equivalence ratio, increasing by several orders of magnitude across the experimental range. An increase in combustor pressure was experimentally shown to reduce exhaust N2O concentrations with this globally lean fuel mixture, alongside NO. Steam injection was also explored in detail for the first time and shown to provide contrasting trends, with a reduction in NO, and a rise in N2O, as water loading was increased. Both pressure increase and steam injection were combined to give optimal NOx performance for the evaluated dataset. Changes in chemical kinetic pathways were investigated in detail, and compared to high-speed OH*, NH2*, and NH* chemiluminescence.
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Song, Kaiwei, Jingjie Yuan, Peilun Shen, Shoukai Yan, Fei Li, and Dianwen Liu. "Leaching performance of low grade zinc oxide ore in the system of NH3- (NH4)2SO4-H2O." In 2015 4th International Conference on Sustainable Energy and Environmental Engineering. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icseee-15.2016.65.

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Roy, Samapika, Sukhada, and Anil Kr Singh. "An Analysis of Indian English News Headlines." In GLOCAL Conference on Asian Linguistic Anthropology 2020. The GLOCAL Unit, SOAS University of London, 2020. http://dx.doi.org/10.47298/cala2020.13-1.

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News Headlines (NHs) are of the most creative uses of natural languages in a media text. An NH is the frontline of a news article. Specific characteristics make NHs standout: for instance, article omission, use of active verbs, dropping the copula to save space and to attract the reader’s attention to the most significant words, etc. Some research has been done on linguistic analysis of British English NH, Hindi-Urdu NHs, but hardly any work has been conducted on IndENH. This paper attempts to analyze Indian English newspaper headlines (IndENH), and aims to contribute to the accuracy of News Headline parsing. This study determines the linguistic features of the IndENH, to improve the quality of the parsed output of NHs. This paper covers sentence construction, tense, punctuation marks, metaphors, etc. for linguistic analysis.
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Pichandi, Muruganandam, Pugalenthi Nandagopal, Matthias Duerr, and Surendra Singh. "Combined Cycle Power Plant Economic Evaluation With Hydrogen and Ammonia As Alternate Fuel." In ASME 2023 Gas Turbine India Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gtindia2023-117904.

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Abstract In Power Generation (PG) Industry, the global Original Equipment Manufacturers (OEMs) are focusing to lower their carbon emissions to reduce the impact of global warming to meet the famous Paris agreement goals and targets. At present approximately 25% of Green House Gases (GHG) are emitted during electricity generation, in that 62% contributed by coal & natural gas power plants [1]. Current Gas Turbines (GTs) burn Natural gas (NG) as primary fuel which contains Carbons, obviously emits CO2 as byproduct. The whole industry is investing time and money to research on reducing CO2 emission close to zero by 2040 and checking the feasibilities of using alternate fuels in power generation. The current study reported here does not consider any design or technology changes required to use H2 or NH3 as an alternate/blending fuel for GTs but attempts to provide some understandings and directions on cost perspective. The approach of this study is to blend the different types of H2 or NH3 with NG as fuel, evaluate the life cycle cost of combined cycle power plant and other benefits like decarbonization advantages, etc. As the H2 or NH3 fuel is classified in different color codes based on the source of production process, the study considered Black/Grey/Blue/Green Hydrogen and Grey/Blue/Green Ammonia types only. PG Industry will focus on availability of Green Hydrogen/Ammonia as the production process does not emit CO2. However, a recent market study points out that Green H2 and NH3 are costlier than NG fuel. The goal of H2 or NH3 industry is to reduce the production cost of Green H2 or NH3 to make cost competitive technologies. This study will provide insights to Gas Turbine OEMs to predict the feasible H2 or NH3 blend with NG on their engines with the existing technical capabilities by considering the cost benefits and savings based on geographical CO2 penalty rates. Additionally, OEMs will get understandings on H2 or NH3 fuel selection among different types and can focus to reduce the production cost of green H2 or NH3 to make as economically feasible alternate fuel in GTs.
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Saykally, Richard J. "Velocity modulation IR laser spectroscopy of simple anions and cations." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.tul3.

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Velocity modulation infrared laser spectroscopy is used to measure gas phase vibration spectra of simple cations (HCO+, HNN+, NH4+, H3O+, H2F+, CF+, CCI+, H3CO+, HCS+) and anions (OH−, NH2−) using color center and diode lasers. From these spectra, accurate structures and potential function data are obtained on these molecules.
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Tamura, Shinji, Tsukasa Nagai, and Nobuhito Imanaka. "5.5.5 Highly Water Durable NH3 Gas Sensor Based on Al3+ Ion Conducting Solid Electrolyte with NH4 +-gallate." In 14th International Meeting on Chemical Sensors - IMCS 2012. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2012. http://dx.doi.org/10.5162/imcs2012/5.5.5.

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Pierro, Michael, Justin Urso, Ramees K. Rahman, Christopher Dennis, Marley Albright, Jonathan McGaunn, Cory Kinney, and Subith S. Vasu. "Hydrogen and Ammonia Blending With Natural Gas: Ignition Delay Times and Chemical Kinetic Model Validation at Gas Turbine Relevant Conditions." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-100992.

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Abstract Ignition delay times from undiluted mixtures of natural gas (NG)/H2/Air and NG/NH3/Air were measured using a high-pressure shock tube at the University of Central Florida. The combustion temperatures were experimentally tested between 1000–1500 K near a constant pressure of 25 bar. As mentioned, mixtures were kept undiluted to replicate the same chemistry pathways seen in gas turbine combustion chambers. Recorded combustion pressures exceeded 200 bar due to the large energy release, hence why these were performed at the high-pressure shock tube facility. The data is compared to the predictions of the NUIGMech 1.1 mechanism for chemical kinetic model validation and refinement. An exceptional agreement was shown for stoichiometric conditions in all cases but strayed at lean and rich equivalence ratios, especially in the lower temperature regime of H2 addition and all temperature ranges of the baseline NG mixture. Hydrogen addition also decreased ignition delay times by nearly 90%, while NH3 fuel addition made no noticeable difference in ignition time. NG/NH3 exhibited similar chemistry to pure NG under the same conditions, which is shown in a sensitivity analysis. The reaction CH3 + O2 = CH3O + O is identified and suggested as a possible modification target to improve model performance. Increasing the robustness of chemical kinetic models via experimental validation will directly aid in designing next-generation combustion chambers for use in gas turbines, which in turn will greatly lower global emissions and reduce greenhouse effects.
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Reports on the topic "NHG"

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Leis, Sherry, Lloyd Morrison, and Tani Hubbard. Long-term trends in prairie vegetation at three national parks: 1998?2022. National Park Service, 2024. http://dx.doi.org/10.36967/2302359.

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The Heartland Inventory and Monitoring Network has monitored plant communities in National Parks since 1998. Three of those parks in the northern tier of the network?Herbert Hoover National Historic Site (NHS), Homestead National Historical Park (NHP), and Pipestone National Monument (NM)?have reconstructed tallgrass prairie communities and were sampled concurrently in 2022. In this combined report, we describe similarities and differences among the three parks related to current vegetation and trends. Climatically, Herbert Hoover NHS and Homestead NHP have similar temperature profiles, but Homestead NHP is drier. Pipestone NM differs from the other two parks in temperature and precipitation. Long-term climatic signals for major drought events varied by park, and moisture at Herbert Hoover NHS is likely to increase with climate change. Precipitation shifts could influence vegetation trends in the future requiring action such as flood mitigations, wildfire protections during prolonged drought, and consideration for species additions to adapt to new climate profiles. Plant composition was similar for Herbert Hoover NHS and Homestead NHP while the combination of plant species and abundances at Pipestone NM was different from the other two parks, especially within the Sioux Quartzite community type. There appeared to be some compositional shifts over time for Homestead NHP. That trend was supported by greater species turnover at Homestead NHP than the other two parks. The reconstruction at Homestead NHP is older than that of Herbert Hoover NHS and possibly Pipestone NM, but we are unable to determine the underlying causes of species changes. Quality assessment procedures provided a moderate level of confidence in our data with respect to botanist agreement on identifications. We met our goal of about 80% agreement in species composition. Cover class agreement was greater than?70%, with less than 4% of observations off by more than one class. Native species richness trends varied by park. Herbert Hoover NHS continues to gain native species while Pipestone NM is losing species. Species richness at Homestead NHP did not exhibit a directional trend. Pipestone NM tended to have less cover of forbs and grasses than the other two parks, reflecting the more complex geological landscape with surface rock. Grass abundance appears to be declining from baseline years for all three parks. Grass-like and fern guilds are much less abundant in all the parks than other plant guilds. Woody plants in 2022 were similar at Herbert Hoover NHS and Homestead NHP in terms of mean cover and heterogeneity across the prairies, but tree encroachment into the grasslands is a potential concern. Pipestone NM generally had fewer woody plants (including tree seedlings) in 2022, but the amount varied through time. Canopy closure, measured for the first time in 2022, was present in all three parks, but was greatest at Homestead NHP. Nonnative plant cover was the greatest at Pipestone NM, but current abundance at Herbert Hoover NHS was greater in 2022 than baseline years. Homestead NHP consistently had little nonnative plant cover since 2005. Abundance (% cover) of two nonnative grasses of concern?Kentucky bluegrass (Poa pratensis) and smooth brome (Bromus inermis)?differed by park and year. Recent increases in Kentucky bluegrass abundance at Herbert Hoover NHS might reflect changes in management. Although these parks have individual differences in climate as well as in timing and use of management actions, they share similar histories of cultivation and reconstruction. Efforts to restore or reconstruct portions of the prairie at Pipestone NM were unique among the three parks. Future analyses might continue to combine Herbert Hoover NHS and Homestead NHP but examine Pipestone NM separately; the unique geologic history and differences in vegetation communities at Pipestone NM may make individual assessment a better option. However, comparing trends in guilds of concern, such as woody and nonnative plants, across all three parks can be helpful for gauging success with management tools in light of regional changes in climate.
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Brodsky, N. S., M. Riggins, J. Connolly, and P. Ricci. Thermal expansion, thermal conductivity, and heat capacity measurements for boreholes UE25 NRG-4, UE25 NRG-5, USW NRG-6, and USW NRG-7/7A. Office of Scientific and Technical Information (OSTI), September 1997. http://dx.doi.org/10.2172/541812.

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Zhang S. Y., H. C. Hseuh, and T. Roser. NEG Coating at RHIC. Office of Scientific and Technical Information (OSTI), June 2003. http://dx.doi.org/10.2172/1061692.

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Shembavnekar, Nihar, James Buchan, Nuha Bazeer, Elaine Kelly, Jake Beech, Anita Charlesworth, Ruth McConkey, and Rebecca Fisher. NHS workforce projections 2022. The Health Foundation, July 2022. http://dx.doi.org/10.37829/hf-2022-rc01.

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Olsson, W. A., and S. R. Brown. Mechanical properties of fractures from drillholes, UE25-NRG-4; USW-NRG-6; USW-NRG-7; USW-SD-9, at Yucca Mountain, Nevada. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/444078.

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Angel, Share-Dawn. NVG Eyepiece Focus (Diopter) Study. Fort Belvoir, VA: Defense Technical Information Center, January 2001. http://dx.doi.org/10.21236/ada430225.

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Task, H. L. Cockpit/NVG Visual Integration Issues. Fort Belvoir, VA: Defense Technical Information Center, January 1992. http://dx.doi.org/10.21236/ada430715.

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Zhang S. Y., H. C. Hseuh, W. Fischer, H. Huang, and T. Roser. NEG Coating Application at RHIC. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/1061811.

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Stockton, Isabel, and Max Warner. Ethnic diversity of NHS doctors. The IFS, January 2024. http://dx.doi.org/10.1920/re.ifs.2024.0294.

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Magnoli, Alessandro. National Health Accounts in Latin America and Caribbean: Concept, Results and Policy Uses. Inter-American Development Bank, September 2001. http://dx.doi.org/10.18235/0012213.

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This paper presents the National Health Accounts (NHA) methodology and its relevance in policy making in the Latin American and Caribbean (LAC) region. After presenting the concept of NHA and highlighting recent results of LAC data collection activities, the paper will focus on policy applications of NHA and its usefulness in supporting the financial dimension of health reforms. Lastly, it will analyze problems and drawbacks in the use of this tool. In short, the paper attempts to answer the following questions: What is NHA? How is it used? Why is it not used? How can and should it be put to use in LAC? Despite the serious drawbacks that exist in the NHA practice (e.g., methodological problems, understanding by policy makers, and institutionalization), the main message of this paper is a normative one: NHA should become the Management Information System for health policies, in particular when the health reform process is in progress.
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