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Journal articles on the topic 'Neel point'

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Author: Grafiati

Published: 4 June 2021

Last updated: 28 January 2023

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1

Amitin, Evgeny B., Kamil R. Zhdanov, and Yulia A. Kovalevskaya. "Features of the phase transition near the Neel point in dysprosium." Siberian Journal of Physics 1, no. 2 (2006): 122–24. http://dx.doi.org/10.54238/1818-7994-2006-1-2-122-124.

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2

Bolvin, Hélène. "The Neel point for spin-transition systems: toward a two-step transition." Chemical Physics 211, no. 1-3 (November 1996): 101–14. http://dx.doi.org/10.1016/0301-0104(96)00241-8.

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3

Jibson, Jonathan. "Formant detail needed for identifying, rating, and discriminating vowels in Wisconsin English." Journal of the Acoustical Society of America 151, no. 6 (June 2022): 4004–15. http://dx.doi.org/10.1121/10.0011539.

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Neel [(2004). Acoust. Res. Lett. Online 5, 125–131] asked how much time-varying formant detail is needed for vowel identification. In that study, multiple stimuli were synthesized for each vowel: 1-point (monophthongal with midpoint frequencies), 2-point (linear from onset to offset), 3-point, 5-point, and 11-point. Results suggested that a 3-point model was optimal. This conflicted with the dual-target hypothesis of vowel inherent spectral change research, which has found that two targets are sufficient to model vowel identification. The present study replicates and expands upon the work of Neel. Ten English monophthongs were chosen for synthesis. One-, two-, three-, and five-point vowels were created as described above, and another 1-point stimulus was created with onset frequencies rather than midpoint frequencies. Three experiments were administered ( n = 18 for each): vowel identification, goodness rating, and discrimination. The results ultimately align with the dual-target hypothesis, consistent with most vowel inherent spectral change studies.

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4

Nikiforov, V. N., V. V. Moshchalkov, M. G. Mikheev, V. V. Rzhevskii, and L. I. Leonyuk. "Ultrasonic anomaly at neel point at T=2.23 K in GdBa2Cu3O6.4 single crystal." Physica C: Superconductivity 185-189 (December 1991): 1161–62. http://dx.doi.org/10.1016/0921-4534(91)91804-d.

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5

Osuch, K. "Symmetry changes at the Neel point in an antiferromagnet on a triangular lattice in an external magnetic field." Journal of Physics: Condensed Matter 3, no. 50 (December 16, 1991): 10021–36. http://dx.doi.org/10.1088/0953-8984/3/50/007.

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6

BOAKYE, F., and A. D. C. GRASSIE. "The Effect of Deposition Rate on the Low Temperature Resistivity and the Neel Point of \alpha-Mn Thin Films." Turkish Journal of Physics 21, no. 8 (January 1, 1997): 915–22. http://dx.doi.org/10.55730/1300-0101.2311.

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7

Kassan-Ogly, Felix A., Elena E. Kokorina, and M. V. Medvedev. "Peculiarities of the Magnetocaloric Effect in an Isotropic Antiferromagnet." Solid State Phenomena 215 (April 2014): 66–70. http://dx.doi.org/10.4028/www.scientific.net/ssp.215.66.

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It is shown that the magnetocaloric effects are absent in the spin-flop phase of an isotropic antiferromagnet at the T<TN (TN the Neel temperature) and appear only when an applied magnetic field exceeds the critical field of the spin-flip transition. It is displayed as well that the direct magnetocaloric effects in an antiferromagnet above TN are much less that the analogous effects in a ferromagnet above the Curie point TC.

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8

Gor'kov, Lev P., and Vladimir Z. Kresin. "Band and Percolation Approaches to Low Temperature Properties of Manganites." International Journal of Modern Physics B 12, no. 29n31 (December 20, 1998): 3349–54. http://dx.doi.org/10.1142/s0217979298002623.

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Properties of the parent compound, LaMnO3 are greatly affected by strong Hund's coupling. Assuming the antiferromagnetic ordering (with a low Neel temperture) along one of the cubic axes, this coupling would result in formation of disconnected ferromagnetic layers. Furthermore, in the presence of the cooperative Jahn–Teller effect the compound becomes a band insulator. At small doping ( La 1-x Ca x MnO 3, x ≪ 1) the band insulator phase coexists with the presence of localized holes. An insulator-ferromagnetic metal transition occurs at the percolation point x c =0.16.

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9

Joyia, Wajid, and Khalid Khan. "Dzyaloshinskii–Moriya interaction and anisotropy effects on the tripartite quantum discord of Heisenberg XY model." International Journal of Quantum Information 15, no. 03 (April 2017): 1750021. http://dx.doi.org/10.1142/s0219749917500216.

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In this paper, we address the tripartite quantum discord for the Heisenberg XY chain with the Dzyaloshinskii–Moriya (DM) interaction using the quantum renormalization-group (QRG) method. In thermodynamic limit, like the entanglement, the tripartite discord exhibits the quantum phase transition (QPT) between the spin-fluid and the Neel phases. The effect of the DM interaction and the anisotropy on the features of the tripartite quantum discord has been probed. It is noted that the DM interaction brings the critical point earlier and affects heavily with the size of the system. Moreover, the system requires a larger number of the iterations to achieve the QPT for the tripartite quantum discord as compared to the entanglement.

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10

Shevchenko, P. V., and O. P. Sushkov. "Spin-wave Gap Critical Index for the Quantum Two-layer Heisenberg Antiferromagnet at T = 0." Australian Journal of Physics 52, no. 5 (1999): 837. http://dx.doi.org/10.1071/ph98099.

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The two-layer Heisenberg antiferromagnet exhibits a zero temperature quantum phase transition from a disordered dimer phase to a collinear Neel phase, with long range order in the ground state. The spin-wave gap vanishes as Δ ∝ (J ⊥ – J ⊥ c) ν approaching the transition point. To account for strong correlations, the S = 1 elementary excitations triplets are described as a dilute Bose gas with infinite on-site repulsion. We apply the Brueckner diagram approach which gives the critical index ν ≈ 0 . 5. We demonstrate also that the linearised in density Brueckner equations give the mean field result ν = 1. Finally, an expansion of the Brueckner equations in powers of the density, combined with the scaling hypothesis, gives ν ≈ 0 . 67. This value agrees reasonably with that of the nonlinear O(3) σ model. Our approach demonstrates that for other quantum spin models the critical index can be different from that in the nonlinear σ model. We discuss the conditions for this to occur.

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11

Tsiberkin, Kirill. "Low-temperature antiferromagnetism of Ising model with competing interactions." ВЕСТНИК ПЕРМСКОГО УНИВЕРСИТЕТА. ФИЗИКА, no. 2 (2021): 64–71. http://dx.doi.org/10.17072/1994-3598-2021-2-64-71.

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The paper presents a numerical analysis of equilibrium state and spin configuration of square lattice Ising model with competing interaction. The most detailed description is given for case of ferromagnetic interaction of the first-order neighbours and antiferromagnetic coupling of the second-order neighbours. The numerical method is based on Metropolis algorithm. It uses 128×128 lattice with periodic boundary conditions. At first, the simulation results show that the system is in saturation state at low temperatures, and it turns into paramagnetic state at the Curie point. The competing second-order interaction makes possible the domain structure realization. This state is metastable, because its energy is higher than saturation energy. The domains are small at low temperature, and their size increases when temperature is growing until the single domain occupies the whole simulation area. In addition, the antiferromagnetic coupling of the second-order neighbours reduces the Curie temperature of the system. If it is large enough, the lattice has no saturation state. It turns directly from the domain state into paramagnetic phase. There are no extra phases when the system is antiferromagnetic in main order, and only the Neel temperature shift realizes here.

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12

Ponomarev, B. K., and A. Zhukov. "Magnetic and Magnetoelectric Properties of Rare Earth Molybdates." Physics Research International 2012 (May 9, 2012): 1–22. http://dx.doi.org/10.1155/2012/276348.

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We present results on ferroelectric, magnetic, magneto-optical properties and magnetoelectric effect of rare earth molybdates (gadolinium molybdate, GMO, and terbium molybdate, TMO, and samarium molybdate, SMO), belonging to a new type of ferroelectrics predicted by Levanyuk and Sannikov. While cooling the tetragonal β-phase becomes unstable with respect to two degenerate modes of lattice vibrations. The β-β′ transition is induced by this instability. The spontaneous polarization appears as a by-product of the lattice transformation. The electric order in TMO is of antiferroelectric type. Ferroelectric and ferroelastic GMO and TMO at room temperature are paramagnets. At low temperatures GMO and TMO are antiferromagnetic with the Neel temperatures TN=0.3 K (GMO) and TN=0.45 K (TMO). TMO shows the spontaneous destruction at 40 kOe magnetic field. Temperature and field dependences of the magnetization in TMO are well described by the magnetism theory of singlets at 4.2 K ≤ T ≤ 30 K. The magnetoelectric effect in SMO, GMO and TMO, the anisotropy of magnetoelectric effect in TMO at T = (1.8–4.2) K, the Zeeman effect in TMO, the inversion of the electric polarization induced by the laser beam are discussed. The correlation between the magnetic moment of rare earth ion and the magnetoelectric effect value is predicted. The giant fluctuations of the acoustic resonance peak intensity near the Curie point are observed.

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13

Neplenbroek, Tara. "Hardnekkig erfgoed : Een analyse van 30 mei 1969 als emerging memory in de Nederlandse postkoloniale literatuur." Internationale Neerlandistiek 58, no. 2 (June 1, 2020): 105–21. http://dx.doi.org/10.5117/in2020.2.002.nepl.

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Abstract In the history of Curaçao, the 30th of May 1969 plays an important role. On this day, black workers of the Dutch company Shell decided to strike against unfair wages and racial inequalities that dominated the company. The day ended in a tragedy: two people got killed by police bullets, parts of the capital Willemstad burned down in flames and the Dutch military was called into action. Since then, this day has functioned as a starting point for political debates on Dutch colonialism and as a catalysator for movements of black awareness on Curaçao. This article shows that the Dutch cultural memory of the 30th of May 1969 has been ‘compartmentalized’ and is therefore an ‘emerging memory’. It argues that the date seems forgotten in Dutch cultural memory, but has in fact reappeared in fragmented form through literature. An analysis of Dutch literary remembrances of the 30th of May 1969 shows that the Dutch cultural memory of Curaçao conflicts with a national self-image. Therefore, the colonial past of Curaçao is still not considered as a part of national history.

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14

Kasenov, Bulat К., Shuga B. Kasenova, Zhenisgul I. Sagintaeva, Yerbolat Y. Kuanyshbekov, and Meruert O. Turtubaeva. "SYNTHESIS AND STUDY OF THERMODYNAMIC PROPERTIES OF NEW ZINCATE-MANGANITES NdM2IIZnMnO6 (MII − Mg, Ca)." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 3 (February 27, 2018): 16. http://dx.doi.org/10.6060/tcct.20186103.5628.

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Zincate-manganites with the composition NdM2IIZnMnO6 (MII− Mg, Ca) were synthesized using ceramic technology from oxides of Nd (III), Zn (II), Mn (III) and carbonates of alkaline-earth metals - magnesium and calcium. X-ray patterns of the prepared substancies were measured on a DRON-2.0 diffractometer. We established that they crystallize in the cubic system with the following unit cell parameters: NdMg2ZnMnO6 – а=13.927±0.035 Å, Z = 4, V0 = 2701.36±0.11 Å3, V0el.cell. = 675.34±0.03 Å3, ρX-ray = 4.20, ρpycn. = 4.19±0.01 g/cm3; NdCa2ZnMnO6 – а=13.910±0.030 Å, Z = 4, V0 = 2691.45±0.10 Å3, V0el.cell. = 672.86±0.03 Å3, ρX-ray = 4.04, ρpycn. = 4.01±0.08 g/сm3. The temperature dependence of the heat capacity of NdMg2ZnMnO6 and NdCa2ZnMnO6 was studied by dynamic calorimetry in the range of 298.15-673 K on the IT-S-400 calorimeter. Five parallel experiments were performed at each temperature point with 25 K step. The results were averaged and analyzed using mathematical statistics. As a result of calorimetric studies of the heat capacity, within the temperature range of 298.15-673 K, we discovered on the curves of the temperature dependence of heat capacity the phase transitions of the II kind at the following temperatures: 373, 548 К- NdMg2ZnMnO6, 448, 573 К – NdCa2ZnMnO6. These phase transitions were probably due to Schottky effects -the transition from semiconductivity to metallic conductivity, and variations in capacity, dielectric permittivity, the occurrence of Curie or Neel points. The equations of the temperature dependence of the heat capacity were derived on the basis of the experimental values with account the temperatures of the phase transitions. By the ion increment method, we calculated the standard entropies of the compounds investigated. We calculated the temperature dependences of С°р(Т) and thermodynamic functions Н°(Т)-Н°(298.15), S°(T) and Фхх(Т).Forcitation:Kasenov B.K., Kasenova Sh.B., Sagintaeva Zh.I., Kuanyshbekov Е.Е., Turtubaeva М.О. Synthesis and study of thermodynamic properties of new zincate-manganites NdM2IIZnMnO6 (MII − Mg, Ca). Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol. 2018. V. 61. N 3. P. 16-20

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15

Qing, Yu-Lin, Xiao-Li Peng, and Ai-Yuan Hu. "Phase transition of spin-1 frustrated model on square-lattice bilayer." Acta Physica Sinica 71, no. 4 (2022): 047501. http://dx.doi.org/10.7498/aps.71.20211685.

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In this paper, we investigate the phase transition of the spin-1 frustrated model on a square-lattice bilayer by the double-time Green’s function method. The effects of the interlayer coupling parameter <inline-formula><tex-math id="M9">\begin{document}$ {J_c} $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M9.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M9.png"/></alternatives></inline-formula> and single-ion anisotropy <i>D</i> on phase transformation between the Nèel state (AF1) and collinear state (AF2) are explored. Our results show that if only the parameters <inline-formula><tex-math id="M11">\begin{document}$ {J_c} $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M11.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M11.png"/></alternatives></inline-formula> and <i>D</i> are not equal to zero at the same time, the two states can exist and have the same critical temperature at <inline-formula><tex-math id="M13">\begin{document}$ {J_2} = {J_1}/2 $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M13.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M13.png"/></alternatives></inline-formula>, which represents the nearest neighbor exchange. Under such parameters, a first-order phase transformation between these two states below the critical point can occur. For <inline-formula><tex-math id="M14">\begin{document}$ {J_2} \ne {J_1}/2 $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M14.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M14.png"/></alternatives></inline-formula>, although both states may exist, their Neel temperatures differ from each other. If the Nèel point of the AF1 (AF2) state is larger, then at very low temperature, the AF1 (AF2) state is more stable. Thus, in an intermediate temperature, a first-order phase transition between these two states may also occur.

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16

Qing, Yu-Lin, Xiao-Li Peng, and Ai-Yuan Hu. "Phase transition of spin-1 frustrated model on square-lattice bilayer." Acta Physica Sinica 71, no. 4 (2022): 047501. http://dx.doi.org/10.7498/aps.70.20211685.

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In this paper, we investigate the phase transition of the spin-1 frustrated model on a square-lattice bilayer by the double-time Green’s function method. The effects of the interlayer coupling parameter <inline-formula><tex-math id="M9">\begin{document}$ {J_c} $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M9.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M9.png"/></alternatives></inline-formula> and single-ion anisotropy <i>D</i> on phase transformation between the Nèel state (AF1) and collinear state (AF2) are explored. Our results show that if only the parameters <inline-formula><tex-math id="M11">\begin{document}$ {J_c} $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M11.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M11.png"/></alternatives></inline-formula> and <i>D</i> are not equal to zero at the same time, the two states can exist and have the same critical temperature at <inline-formula><tex-math id="M13">\begin{document}$ {J_2} = {J_1}/2 $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M13.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M13.png"/></alternatives></inline-formula>, which represents the nearest neighbor exchange. Under such parameters, a first-order phase transformation between these two states below the critical point can occur. For <inline-formula><tex-math id="M14">\begin{document}$ {J_2} \ne {J_1}/2 $\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M14.jpg"/><graphic xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="4-20211685_M14.png"/></alternatives></inline-formula>, although both states may exist, their Neel temperatures differ from each other. If the Nèel point of the AF1 (AF2) state is larger, then at very low temperature, the AF1 (AF2) state is more stable. Thus, in an intermediate temperature, a first-order phase transition between these two states may also occur.

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17

McCabe, Kealin M., and Willow E. Fuchs. "Point of Need Reference Service." Evidence Based Library and Information Practice 6, no. 2 (June 24, 2011): 81. http://dx.doi.org/10.18438/b83c9w.

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18

Rothstein, Samuel. "Point of Need/Maximum Service:." Reference Librarian 11, no. 25-26 (January 5, 1990): 253–84. http://dx.doi.org/10.1300/j120v11n25_11.

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19

Rachel, Mrs D. Anita, Ms K. Banupriya, and Dr B. SenthilKumar. "A Progress of Herbal Finish Aloe Vera and Neem in Infant Tank Tops in Mother’s View Point." International Journal of Trend in Scientific Research and Development Volume-2, Issue-2 (February 28, 2018): 711–16. http://dx.doi.org/10.31142/ijtsrd9486.

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20

Harvey, Trevor. "Free at the point of need." British Journal of Healthcare Management 8, no. 3 (March 2002): 110. http://dx.doi.org/10.12968/bjhc.2002.8.3.18928.

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21

Malenfant, Chuck, and Nora Egan Demers. "Collaboration for point‐of‐need library instruction." Reference Services Review 32, no. 3 (September 2004): 264–73. http://dx.doi.org/10.1108/00907320410553678.

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22

Sammis, Charles G. "No need to stick to the point." Nature 362, no. 6421 (April 1993): 588–89. http://dx.doi.org/10.1038/362588a0.

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23

Liu, D. T. Y. "Amenorrhoea need not be an end point." BMJ 310, no. 6982 (March 25, 1995): 802. http://dx.doi.org/10.1136/bmj.310.6982.802c.

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24

D’Arrigo, Terri. "Studies point to need for greater pharmacovigilance." Pharmacy Today 23, no. 7 (July 2017): 4. http://dx.doi.org/10.1016/j.ptdy.2017.06.004.

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25

Mulcahy, Kimberly, Janice Montalvo, Loan Tran, and Carina Oltjenbruns. "The Alpha Dx POINT-OF-NEED System." Point of Care: The Journal of Near-Patient Testing & Technology 1, no. 1 (March 2002): 58–61. http://dx.doi.org/10.1097/00134384-200203000-00015.

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26

Bruce, Kim B., and Fred G. Martin. "Point-CounterpointCritical reflection need not mean accreditation." ACM Inroads 10, no. 1 (February 8, 2019): 21–23. http://dx.doi.org/10.1145/3302245.

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27

Becker, Bernd. "Embedded Librarianship: A Point-of-Need Service." Behavioral & Social Sciences Librarian 29, no. 3 (July 2010): 237–40. http://dx.doi.org/10.1080/01639269.2010.498763.

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28

Thomas, C. J. "Does Medicine Need Liaison Psychiatry?" Bulletin of the Royal College of Psychiatrists 9, no. 8 (August 1985): 157–58. http://dx.doi.org/10.1192/pb.9.8.157.

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In February 1984 at the Quarterly Meeting of the Royal College of Psychiatrists, Professor A. Guz from the Department of Medicine, Charing Cross Hospital, presented a paper with the above title. In this paper he raised a number of points regarding the role of liaison psychiatry and of the psychiatrists involved in practising it. The paper collated the views of himself and other professors of medicine, and obviously it is important that we as psychiatrists take note of the opinions expressed by people with such an extensive knowledge of medicine. Many of the points which Professor Guz raised I found myself to be in total agreement with; however, there were one or two issues which I think perhaps deserve a reply and I would like to attempt to do this through the Bulletin. As many of the Bulletin readers will know, there is an increasing interest in liaison psychiatry and this has been recognized by the College in the recent establishment of a special interest group. I should perhaps point out, however, that the views expressed in this article are mine alone and do not necessarily represent those of any other liaison psychiatrist, or of the special interest group.

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29

Green, J., and K. O'Brien. "The Influence of the Setting of ‘Cut-off’ Points for Orthodontic Treatment Need upon the Reliability of the Index of Orthodontic Treatment Need." British Journal of Orthodontics 21, no. 3 (August 1994): 287–89. http://dx.doi.org/10.1179/bjo.21.3.287.

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This investigation evaluated the effect of setting cut-off points for treatment allocation upon the reliability of the Index of Orthodontic Treatment Need (IOTN). Cut-off points were placed between the grades signifying ‘need’ and ‘moderate need’ and between ‘need’ and ‘no need’ for treatment. The reliability of each of these dichotomous decisions was evaluated with (i) the Kappa statistic and (ii) the false positive and false negative rates. We found that the reliability was decreased and the false positive rate was increased when the cut-off point was placed between the ‘need’ and ‘moderate need’ for treatment levels. The effect of this variation in reliability is discussed.

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30

Nelson, Diane, and Virve-Anneli Vihman. "Bringing the toys to life." From Culture to Language and Back: The Animacy Hierarchy in language and discourse 5, no. 2 (June 28, 2018): 203–23. http://dx.doi.org/10.1075/ijolc.00007.nel.

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Abstract In the children’s film Toy Story, toys spring to life when their human owners are away, creating an alternative world of transferred animacy relations signalled by visual and linguistic cues. The storylines and characters explore the nature of animacy and relationships between conspecifics and ‘others’. Our analysis focuses on the use of referring expressions over the course of the narrative, as they reflect the animacy of their referents. We relate these findings to well-established scales of animacy which link our perception of the world to the categories imposed by language. We find that, as predicted by models of animacy proposed by Dahl (2008) and Yamamoto (1999), among others, shifts in reference – specifically from common noun to proper noun to pronoun, and from collective to individuated referents – reflect characters’ shifting conceptualisation of, and empathy with, each other. We argue that referring expressions are used at key points in the film script to subtly mediate accessible cues to animacy like eyes, speech and motion, and to guide viewers’ empathies and allegiances, extending our understanding of animacy beyond ordinary anthropocentrism.

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31

Scheutzow, Michael. "Minimal forward random point attractors need not exist." Discrete & Continuous Dynamical Systems - B 22, no. 11 (2017): 1–4. http://dx.doi.org/10.3934/dcdsb.2019073.

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32

O'Brien, Thomas C. "One Point of View: We Need Fundamental Reform." Arithmetic Teacher 34, no. 8 (April 1987): 3. http://dx.doi.org/10.5951/at.34.8.0003.

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Yes! American education is in need of improvement. But to say that the remedy is more of what has already failed—more hours, more days, more homework, and more tests—is like saying that more aspirin, with more careful monitoring of patients' blood chemistry, will cure cancer. It won't! What is needed is fundamental qualitative reform, not quantitative extensions of what has clearly failed. We need reform in the curriculum, in our view of knowledge, in the role of the learner, and in the role of the teacher. This reform has several dimensions.

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33

Lee, Seoho, Balaji Srinivasan, Sasank Vemulapati, Saurabh Mehta, and David Erickson. "Personalized nutrition diagnostics at the point-of-need." Lab on a Chip 16, no. 13 (2016): 2408–17. http://dx.doi.org/10.1039/c6lc00393a.

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34

LIDEN, MAGNUS, and BENGT OXELMAN. "Point of View Do we need "phylogenetic taxonomy"?" Zoologica Scripta 25, no. 2 (April 1996): 183–85. http://dx.doi.org/10.1111/j.1463-6409.1996.tb00158.x.

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35

Milton, Martin. "Talking Point: ‘Hang on, I need a think…’." Counselling Psychology Review 18, no. 2 (May 2003): 43–44. http://dx.doi.org/10.53841/bpscpr.2003.18.2.43.

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Reinartz, Werner, and Monika Imschloß. "From Point of Sale to Point of Need: How Digital Technology Is Transforming Retailing." GfK Marketing Intelligence Review 9, no. 1 (May 1, 2017): 42–47. http://dx.doi.org/10.1515/gfkmir-2017-0007.

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Abstract Digital transformation has a strong impact on the retail industry. Activities that were once retail sector are moving to online stores, and specialized third parties are taking over physical distribution and payment. Naturally, store-based retailers are not taking this sitting down and many are reacting by starting to “digitalize” their point of sale. But in order to understand the true impact of digitalization and to react adequately, one needs to think backwards from the consumer and enter the scene at a much earlier stage. In our digital age, need occurrence, shopping and consumption are moving much closer in time and space and are being naturally integrated into our daily routine. If retailers still want their share, they have to build an ecosystem of presence and organize themselves around consumption and lived reality of their consumers. They have to be present in the mind of the consumer at the very instance a need arises. Being recalled in time matters now more than ever.

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Johnson, Chris A. "Saturated Ideals Need Not bep-points." Zeitschrift für Mathematische Logik und Grundlagen der Mathematik 32, no. 31-34 (1986): 521–22. http://dx.doi.org/10.1002/malq.19860323105.

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Boerner, R., L. Hoegner, and U. Stilla. "VOXEL BASED SEGMENTATION OF LARGE AIRBORNE TOPOBATHYMETRIC LIDAR DATA." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-1/W1 (May 31, 2017): 107–14. http://dx.doi.org/10.5194/isprs-archives-xlii-1-w1-107-2017.

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Point cloud segmentation and classification is currently a research highlight. Methods in this field create labelled data, where each point has additional class information. Current approaches are to generate a graph on the basis of all points in the point cloud, calculate or learn descriptors and train a matcher for the descriptor to the corresponding classes. Since these approaches need to look on each point in the point cloud iteratively, they result in long calculation times for large point clouds. Therefore, large point clouds need a generalization, to save computation time. One kind of generalization is to cluster the raw points into a 3D grid structure, which is represented by small volume units ( i.e. voxels) used for further processing. This paper introduces a method to use such a voxel structure to cluster a large point cloud into ground and non-ground points. The proposed method for ground detection first marks ground voxels with a region growing approach. In a second step non ground voxels are searched and filtered in the ground segment to reduce effects of over-segmentations. This filter uses the probability that a voxel mostly consist of last pulses and a discrete gradient in a local neighbourhood . The result is the ground label as a first classification result and connected segments of non-ground points. The test area of the river Mangfall in Bavaria, Germany, is used for the first processing.

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Guo, Heng, Ze Yin, Myeong Namkoong, Yixuan Li, Tan Nguyen, Elizabeth Salcedo, Ivanna Arizpe, and Limei Tian. "Printed Ultrastable Bioplasmonic Microarrays for Point-of-Need Biosensing." ACS Applied Materials & Interfaces 14, no. 8 (February 16, 2022): 10729–37. http://dx.doi.org/10.1021/acsami.1c24458.

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Odlyzko, Andrew M. "One Point of View: We Still Need Unfettered Research." Research-Technology Management 39, no. 1 (January 1996): 9–11. http://dx.doi.org/10.1080/08956308.1996.11671029.

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Lev, Baruch. "One Point of View: Knowledge Management: Fad or Need?" Research-Technology Management 43, no. 5 (September 2000): 9–10. http://dx.doi.org/10.1080/08956308.2000.11671372.

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Moreau, Caroline, Mridula Shankar, Stephane Helleringer, and Stanley Becker. "Measuring unmet need for contraception as a point prevalence." BMJ Global Health 4, no. 4 (August 2019): e001581. http://dx.doi.org/10.1136/bmjgh-2019-001581.

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BackgroundThis study proposes a framework to address conceptual concerns with the standard indicator of unmet need for contraception. We define new point prevalence measures of current status (CS) unmet need and CS unmet demand, by linking contraceptive behaviours to pregnancy exposure and to women’s future contraceptive intentions. We explore the difference between standard and CS unmet need and estimate the proportion of women with CS unmet demand, who may be more likely to adopt contraception.MethodsWe use Demographic and Health Survey data from 46 low-income and middle-income countries released between 2010 and 2018. We assess differences in women’s classification between standard and CS unmet need indicators and estimate the percentage of women with CS unmet demand for contraception, defined as the percentage of women with CS unmet need who intend to use contraception in the future.FindingsWe find substantial country-level differences between standard and CS estimates of unmet need, ranging from −8.3% points in Niger to +11.1% points in Nepal. The average predictive value of the standard measure across the 46 countries for identifying prevalent cases of unmet need is 53%. Regardless of indicator (standard or CS), only half of women with unmet need intend to use contraception.InterpretationThe results of this study suggest that the standard measure of unmet need has low predictive value in identifying women with current unmet need. Thus, the standard indicator does not reflect a prevalence estimate of unmet need.

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Heinrich, Lothar. "Brillinger-mixing point processes need not to be ergodic." Statistics & Probability Letters 138 (July 2018): 31–35. http://dx.doi.org/10.1016/j.spl.2018.02.029.

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Ghali, Jalal K. "Do heart failure trials need an end point committee?" American Heart Journal 160, no. 4 (October 2010): 571–73. http://dx.doi.org/10.1016/j.ahj.2010.07.005.

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van Meerbeeck, Jan P., and Paul Baas. "Palliative chemotherapy: Do we need yet another end-point?" European Journal of Cancer 45, no. 13 (September 2009): 2234–35. http://dx.doi.org/10.1016/j.ejca.2009.05.020.

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Walker, Ray. "Vantage point - Do we need fewer, not more, nurses?" Nursing Management 21, no. 8 (November 27, 2014): 13. http://dx.doi.org/10.7748/nm.21.8.13.s17.

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Kost, Gerald J. "Point of Need, Global Outreach, and a Universal Companion." Point of Care: The Journal of Near-Patient Testing & Technology 7, no. 3 (September 2008): 103–5. http://dx.doi.org/10.1097/poc.0b013e318182f6e5.

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Ferguson, K. Stuart, and Alice Ferguson. "The Remote Library and Point-of-Need User Education." Journal of Interlibrary Loan,Document Delivery & Electronic Reserve 15, no. 3 (February 24, 2005): 43–60. http://dx.doi.org/10.1300/j474v15n03_06.

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Makarona, E., P. Petrou, S. Kakabakos, K. Misiakos, and I. Raptis. "Point-of-Need bioanalytics based on planar optical interferometry." Biotechnology Advances 34, no. 3 (May 2016): 209–33. http://dx.doi.org/10.1016/j.biotechadv.2016.02.005.

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Hansen, S., O. Faye, S. S. Sanabani, M. Faye, S. Böhlken-Fascher, A. Sall, M. Bekaert, M. Weidmann, C. P. Cherny, and A. Abd El Wahed. "Rapid outbreak identification using point of need nanopore sequencing." International Journal of Infectious Diseases 79 (February 2019): 37. http://dx.doi.org/10.1016/j.ijid.2018.11.103.

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