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Articoli di riviste sul tema "PH"

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Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 27 luglio 2024

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1

Machihara, Fumiaki. "FIRST PASSAGE TIMES OF PH/PH/1/K AND PH/PH/1 QUEUES". Journal of the Operations Research Society of Japan 30, n. 1 (1987): 1–26. http://dx.doi.org/10.15807/jorsj.30.1.

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2

Jaques, D., J. R. Clark, D. E. Chebi, P. E. Fanwick e I. P. Rothwell. "[Mo{P(Ph)2OC6H3(Ph)(η6-Ph)}(CO)2]". Acta Crystallographica Section C Crystal Structure Communications 50, n. 6 (15 giugno 1994): 898–99. http://dx.doi.org/10.1107/s0108270193011746.

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3

Sharma, Brahama D. "Myths about pH and pH meters". Journal of Chemical Education 73, n. 6 (giugno 1996): 598. http://dx.doi.org/10.1021/ed073p598.3.

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4

Alper, Seth L., Marina N. Chernova e Andrew K. Stewart. "How pH Regulates a pH Regulator". Cell Biochemistry and Biophysics 36, n. 2-3 (2002): 123–36. http://dx.doi.org/10.1385/cbb:36:2-3:123.

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5

Gustafsson, T. K., e K. V. Waller. "Myths about pH and pH control". AIChE Journal 32, n. 2 (febbraio 1986): 335–37. http://dx.doi.org/10.1002/aic.690320226.

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6

Reddy, R. R., Y. Nazeer Ahammed, A. Srinivasa Rao e T. V. R. Rao. "Dissociation energies of PH and PH+". Journal of Quantitative Spectroscopy and Radiative Transfer 54, n. 6 (dicembre 1995): 1035–38. http://dx.doi.org/10.1016/0022-4073(95)00121-z.

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7

SHIN, YANG WOO, e DUG HEE MOON. "APPROXIMATION OF PH/PH/c RETRIAL QUEUE WITH PH-RETRIAL TIME". Asia-Pacific Journal of Operational Research 31, n. 02 (aprile 2014): 1440010. http://dx.doi.org/10.1142/s0217595914400107.

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Abstract (sommario):

We consider the PH/PH/c retrial queues with PH-retrial time. Approximation formulae for the distribution of the number of customers in service facility, sojourn time distribution and the mean number of customers in orbit are presented. We provide an approximation for GI/G/c retrial queue with general retrial time by approximating the general distribution with phase type distribution. Some numerical results are presented.

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8

Oelßner, W., H. Kaden e H. Bellée. "ISFET-pH-Meßsonde zur Kontrolle des vaginalen pH-Wertes - ISFET pH Measuring Probe for Vaginal pH Monitoring". Biomedizinische Technik/Biomedical Engineering 38, n. 3 (1993): 38–41. http://dx.doi.org/10.1515/bmte.1993.38.3.38.

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9

KATO, AKIHIKO, YUKO KONNO, YOSHIKI YANAGIDA, MASAHARU YANASATO, TOMIO TAGUCHI, RYOICHI MOTOHASHI e TERUAKI KATSUBE. "“ETOX pH SENSOR” AS pH MEASURING ELECTRODE". Analytical Sciences 7, Supple (1991): 1577–80. http://dx.doi.org/10.2116/analsci.7.supple_1577.

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10

DOBKIN, ERIC D., ANDRE VALCOUR, CAROL ROHER McCLOSKEY, LISA ALLEN, JOSEPH C. KAMBE, ELLEN GLEASON, ROCCO ORLANDO III, ROBERT BERGER e NEIL S. YESTON. "Does pH paper accurately reflect gastric pH?" Critical Care Medicine 18, n. 9 (settembre 1990): 985–88. http://dx.doi.org/10.1097/00003246-199009000-00016.

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11

Sharma, Arjun, J. D. Smith, Keisha B. Walters e Steven W. Rick. "Constant pH simulations of pH responsive polymers". Journal of Chemical Physics 145, n. 23 (21 dicembre 2016): 234906. http://dx.doi.org/10.1063/1.4972062.

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12

Kristensen, Hans Bjarne, Arne Salomon e Gert Kokholm. "International pH Scales and Certification of pH". Analytical Chemistry 63, n. 18 (15 settembre 1991): 885A—891A. http://dx.doi.org/10.1021/ac00018a722.

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13

Seelen, L. P. "An algorithm for Ph/Ph/c queues". European Journal of Operational Research 23, n. 1 (gennaio 1986): 118–27. http://dx.doi.org/10.1016/0377-2217(86)90222-5.

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14

Gelfi, Cecilia, Antonio Morelli, Ermanna Rovida e Pier Giorgio Reghetti. "pH measurements in ultranarrow immobilized pH gradients". Journal of Biochemical and Biophysical Methods 13, n. 2 (settembre 1986): 113–24. http://dx.doi.org/10.1016/0165-022x(86)90023-0.

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15

Wang, Liping, Jie Ren, Xiaoyan Zhang, Xiaoci Yang e Wu Yang. "Synthesis and Characterization of pH-sensitive and Self-oscillating IPN Hydrogel in a pH Oscillator". Polymer Korea 39, n. 3 (25 maggio 2015): 359–64. http://dx.doi.org/10.7317/pk.2015.39.3.359.

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16

MWAKYOMA, HENRY A., e ERICK P. MAGOROSA. "SEMEN pH;". Professional Medical Journal 19, n. 02 (22 febbraio 2012): 234–41. http://dx.doi.org/10.29309/tpmj/2012.19.02.2019.

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Abstract (sommario):

Background: Male infertility is a frequent reproductive health problem in the world. It is usually related to abnormal spermproduction or function and these abnormalities can occur anywhere in the production of sperm including hormonal regulation, storage andtransport of sperm. Various factors are known to be responsible for seminal fluid abnormalities. Usually the first step in evaluating for maleinfertility is semen analysis. Setting: The study was conducted at Muhimbili National Hospital mainly in the department of Pathology laboratory,cytology unit. Study design: The study was a hospital based cross-sectional type. Objective: To determine semen pH in patients presenting withinfertility complains and relate how pH of seminal fluid and other semen parameters influence each other. Material and methods: Beforesemen collection, patients were instructed to abstain from sexual intercourse for a minimum of 48 hours to 7 days and collect semen bymasturbation and transport it to the laboratory through shirt pocket. Semen was to reach the laboratory for examination in not more than onehour from time of collection. Semen was examined macroscopically for volume, colour, viscosity and pH by using a pH meter (Consort C830)followed by microscopic examination which included motility of spermatozoa and sperm count by using Neuber counting chamber. The smearwas made on glass slides, fixed in 95% ethyl alcohol for 30 minutes then stained by using Papanicolaou’s staining technique and then analyzedmicroscopically for morphological examination. Results: In the analysis of the influence of semen parameters on semen pH, there wasdecrease in seminal fluid pH with age whereby as age increased the pH of seminal fluid decreased.. The general trend observed was that thepH of seminal fluid tended to decrease with an increase in the days of abstinence. pH tended to decrease with an increase of seminal fluidvolume. The pH of seminal fluid also increased with an increase in viscosity (Hyperviscosity >Hypoviscosity). The pH of seminal fluid in patientswith less than 50% forward progressive movement of spermatozoa was higher when compared to those with more than 50% forwardprogressive movement. pH had an influence on the motility of spermatozoa. Conclusions and recommendation: pH and other parameterstended to have an influence each other during seminal analysis in our study. There is a variation of pH in different parts of the World according tothe studies done. It is recommended that pH should be included during seminal analysis because our study has shown that it affects most of theseminal fluid parameters in and contribute to the problem of infertility.

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17

Pluta, Kacper, Michal Edelstein, Amir Vaxman e Mirela Ben-Chen. "PH-CPF". ACM Transactions on Graphics 40, n. 4 (agosto 2021): 1–19. http://dx.doi.org/10.1145/3476576.3476738.

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18

Pluta, Kacper, Michal Edelstein, Amir Vaxman e Mirela Ben-Chen. "PH-CPF". ACM Transactions on Graphics 40, n. 4 (agosto 2021): 1–19. http://dx.doi.org/10.1145/3450626.3459770.

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19

Fossmark, Reidar, Eiliv Brenna e Helge L. Waldum. "pH 4.0". Scandinavian Journal of Gastroenterology 42, n. 3 (gennaio 2007): 297–98. http://dx.doi.org/10.1080/00365520600887828.

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20

Smout, André J. P. M. "pH Testing". Journal of Clinical Gastroenterology 42, n. 5 (maggio 2008): 564–70. http://dx.doi.org/10.1097/mcg.0b013e31816244b5.

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21

Ramos-Morales, Francisco. "Acidic pH". Virulence 3, n. 2 (marzo 2012): 103–6. http://dx.doi.org/10.4161/viru.19382.

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22

Kulkarni, Mukti. "PH 3.0". Journal of Public Health Management and Practice 23, n. 3 (2017): 331–33. http://dx.doi.org/10.1097/phh.0000000000000569.

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23

TAMMAR, A. R. "pH/Titrations". Biochemical Society Transactions 13, n. 6 (1 dicembre 1985): 1253. http://dx.doi.org/10.1042/bst0131253a.

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24

Bottom, A. E. "Whither pH?" Measurement and Control 24, n. 8 (ottobre 1991): 229–30. http://dx.doi.org/10.1177/002029409102400802.

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25

Axon, Anthony, e Peter Malfertheiner. "pH-Hp". European Journal of Gastroenterology & Hepatology 11, Supplement 2 (agosto 1999): S3. http://dx.doi.org/10.1097/00042737-199908002-00001.

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26

Gillies, R. J., N. Raghunand, M. L. Garcia-Martin e R. A. Gatenby. "pH imaging". IEEE Engineering in Medicine and Biology Magazine 23, n. 5 (settembre 2004): 57–64. http://dx.doi.org/10.1109/memb.2004.1360409.

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27

RAVEN, J. A. "Sensing pH?" Plant, Cell and Environment 13, n. 7 (settembre 1990): 721–29. http://dx.doi.org/10.1111/j.1365-3040.1990.tb01086.x.

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28

Scagnolari, Francesco, e Bruno Lunelli. "pH Basics". Journal of Chemical Education 86, n. 2 (febbraio 2009): 246. http://dx.doi.org/10.1021/ed086p246.

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29

Davison, W. "pH Measurements". TrAC Trends in Analytical Chemistry 11, n. 5 (maggio 1992): xi—xii. http://dx.doi.org/10.1016/0165-9936(92)87014-b.

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30

Norn, Mogens. "Tear-pH". Acta Ophthalmologica 68, S195 (28 maggio 2009): 62. http://dx.doi.org/10.1111/j.1755-3768.1990.tb01960.x.

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31

Schulz, Eberhard, e Thomas Münzel. "Intracellular pH". Circulation 124, n. 17 (25 ottobre 2011): 1806–7. http://dx.doi.org/10.1161/circulationaha.111.061226.

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32

Campbell, Sheelagh A., e Frank C. Walsh. "pH Measurements". Transactions of the IMF 70, n. 3 (gennaio 1992): 148–51. http://dx.doi.org/10.1080/00202967.1992.11870963.

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33

Haglund, U. "Intramucosal pH". Intensive Care Medicine 20, n. 2 (febbraio 1994): 90–91. http://dx.doi.org/10.1007/bf01707659.

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34

Godin, David A., Philip C. Fitzpatrick, Aline B. Scandurro, Peter C. Belafsky, Brad A. Woodworth, Ronald G. Amedee, Derrick J. Beech e Barbara S. Beckman. "PH-20". Archives of Otolaryngology–Head & Neck Surgery 126, n. 3 (1 marzo 2000): 402. http://dx.doi.org/10.1001/archotol.126.3.402.

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35

Senagore, Anthony, Jeffrey W. Milsom, Richard K. Walshaw, Robert Dunstan, Patrick W. Mazier e Irshad H. Chaudry. "Intramural pH". Diseases of the Colon & Rectum 33, n. 3 (marzo 1990): 175–79. http://dx.doi.org/10.1007/bf02134174.

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36

McLean, Andrew J. "pH Meter". Academic Psychiatry 41, n. 6 (20 luglio 2017): 769. http://dx.doi.org/10.1007/s40596-017-0761-x.

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37

Scorrano, Gianfranco, e Rory More O'Ferrall. "Beyond pH". Journal of Physical Organic Chemistry 26, n. 12 (16 luglio 2013): 1009–15. http://dx.doi.org/10.1002/poc.3171.

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38

Lin, Xinli, e Tomomi Umetsu. "The High pH and pH-Shift Refolding Technology". Current Pharmaceutical Biotechnology 11, n. 3 (1 aprile 2010): 293–99. http://dx.doi.org/10.2174/138920110791111906.

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39

DePinto, Jeffrey T., Wendy A. deProphetis, Jessica L. Menke e Robert J. McMahon. "Triplet 1,3-Diphenylpropynylidene (Ph−C−C−C−Ph)". Journal of the American Chemical Society 129, n. 8 (febbraio 2007): 2308–15. http://dx.doi.org/10.1021/ja066300j.

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40

Chao, Jianbin, Yuhong Liu, Jinyu Sun, Li Fan, Yongbin Zhang, Hongbo Tong e Zhiqing Li. "A ratiometric pH probe for intracellular pH imaging". Sensors and Actuators B: Chemical 221 (dicembre 2015): 427–33. http://dx.doi.org/10.1016/j.snb.2015.06.087.

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41

Dobkin, Eric D., e Neil S. Yeston. "Use of pH Paper to Reflect Gastric pH". Chest 101, n. 3 (marzo 1992): 885–86. http://dx.doi.org/10.1378/chest.101.3.885.

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42

Florete, Orlando G., e A. Joseph Layon. "Use of pH Paper to Reflect Gastric pH". Chest 101, n. 3 (marzo 1992): 886. http://dx.doi.org/10.1378/chest.101.3.886-a.

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43

Kim, J. Y., e Y. H. Lee. "Pd—PdO pH microprobe for local pH measurement". Biotechnology and Bioengineering 34, n. 1 (5 giugno 1989): 131–36. http://dx.doi.org/10.1002/bit.260340118.

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44

Gianazza, Elisabetta, Patrizia Giacon, Bengt Sahlin e Pier Giorgio Righetti. "Non-linear pH courses with immobilized pH gradients". Electrophoresis 6, n. 1 (1985): 53–56. http://dx.doi.org/10.1002/elps.1150060113.

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45

Gianazza, Elisabetta, Fabrizio Celentano, Stefania Magenes, Claudia Ettori e Pier Giorgio Righetti. "Formulations for immobilized pH gradients including pH extremes". Electrophoresis 10, n. 11 (1989): 806–8. http://dx.doi.org/10.1002/elps.1150101115.

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46

Pehl, Christian, Ilona Boccali, Michael Hennig e Wolfgang Schepp. "pH probe positioning for 24-hour pH-metry by manometry or pH step-up". European Journal of Gastroenterology & Hepatology 16, n. 4 (aprile 2004): 375–82. http://dx.doi.org/10.1097/00042737-200404000-00002.

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47

Avais, Mohd, e Subrata Chattopadhyay. "Waterborne pH responsive hydrogels: Synthesis, characterization and selective pH responsive behavior around physiological pH". Polymer 180 (ottobre 2019): 121701. http://dx.doi.org/10.1016/j.polymer.2019.121701.

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48

Crocker, Mark, Michael Green, Katherine R. Nagle, A. Guy Orpen, Hans Peter Neumann, Carolyn E. Morton e Colin J. Schaverien. "Reactions of coordinated ligands. Part 47. Synthesis, structure, and reactivity of [.eta.4(5e)-butadienyl]ruthenium complexes: crystal structures of CpRu:C(Ph)-.eta.3-[C(Ph)C(Ph)CH(Ph)], CpRuC(Ph):C(Ph)-.eta.2-[C(Ph):CH(Ph)]P(OMe)3, and CpRu2[.mu.-(Z)-C(Ph):CH(Ph)](CO)2(.eta.4-C4Ph4)". Organometallics 9, n. 5 (maggio 1990): 1422–34. http://dx.doi.org/10.1021/om00119a012.

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49

ZHANG Wei-wei, 张巍巍, 赵小兵 ZHAO Xiao-bing e 徐如辉 XU Ru-hui. "Fluorescence pH Sensing Characteristics and Applications of Universal pH-indicator Paper". Chinese Journal of Luminescence 39, n. 6 (2018): 877–83. http://dx.doi.org/10.3788/fgxb20183906.0877.

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50

Brammer, Lee, Mark Crocker, Barry J. Dunne, Michael Green, Carolyn E. Morton, Katharine R. Nagle e A. Guy Orpen. "The reactions of σ,η3-butadienylruthenium complexes with donor ligands and protons: structures of [RuC(Ph)C(Ph)-η2-{(Z)-C(Ph)CH(Ph)}{P(OMe)3}(η-C5H5)] and [RuC(O)C(Ph)C(Ph)-η2-{(Z)-C(Ph)CH(Ph)}{P(OMe)3}(η-C5H5)]". J. Chem. Soc., Chem. Commun., n. 15 (1986): 1226–28. http://dx.doi.org/10.1039/c39860001226.

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