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Journal articles on the topic 'Sliding flat roof'

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1

Krabac, Lubomir, Vladimir Pejaković, Vladislav Drinek, Nicole Dörr, and Ewald Badisch. "Tribology of Ge thin films on stainless steel." Industrial Lubrication and Tribology 69, no. 2 (2017): 182–89. http://dx.doi.org/10.1108/ilt-06-2016-0128.

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Purpose The purpose of this paper is to study the friction and wear behavior of germanium (Ge) thin films deposited by low-pressure chemical vapor deposition method on a chromium (Cr)-nickel (Ni) stainless steel substrate after being exposed to relatively mild sliding conditions (low loads and sliding distances). Design/methodology/approach Wear and friction experiments were conducted with a 100Cr6 steel ball sliding against flat Ge thin-film-coated stainless steel sheets (ball-on-flat microtribometer, no lubricant, normal loads of 50-100 mN, initial Hertzian contact pressures of 385-485 MPa,
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2

Ribeiro, Fernando Salimon, Juliana Aparecida Najarro Dearo de Morais-Camillo, José Marcos Alves Fernandes, Juliana Rico Pires, Elizangela Partata Zuza, and Ana Emília Farias Pontes. "Multiple Marginal Tissue Recession Treated with a Simplified Lateral Sliding Flap Technique." Case Reports in Dentistry 2014 (2014): 1–5. http://dx.doi.org/10.1155/2014/432960.

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Marginal tissue recession is a common esthetic problem that is usually accompanied by dentin sensitivity, and patients frequently report a fear of dental loss. Lateral sliding flaps have been used for localized recession, but they are rarely used for multiple recessions. The aim of this paper was to report a case of coverage of multiple marginal tissue recessions by means of a lateral sliding flap associated with a connective tissue graft. This was a modification of Nelson’s technique, which was originally described as the combination of the double papilla technique, lateral sliding flap, and
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3

Zanoria, Elmer, and Steven Danyluk. "Ball-on-flat reciprocating sliding wear of single-crystal, semiconductor silicon at room temperature." Wear 162-164 (April 1993): 332–38. http://dx.doi.org/10.1016/0043-1648(93)90516-o.

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4

Iliuţă, Virgil, Minodora Rîpă, Adriana Preda, and Gabriel Andrei. "Friction and Wear Behavior of Moglice Polymer Composite through Dry Sliding Ball-on-Flat Reciprocating Test." Applied Mechanics and Materials 808 (November 2015): 137–42. http://dx.doi.org/10.4028/www.scientific.net/amm.808.137.

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This paper presents an experimental evaluation of friction and wear properties of a composite material-moglice - made by Diamant Metallplastic GmbH company, from Germany. This material is a polymeric matrix reinforced with particles of cristobalite (αSiO2) and molybdenum disulphide (MoS2). The material is recommended by the manufacturer for repairing metal parts. This material was tribologically tested in dry friction conditions, on a ball on flat configuration, using the reciprocating method, on a CETR UMT-2 tribometer (Bruker Corporation). The counterpart was a steel ball. The tests were per
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5

Ko, P. L., M. C. Taponat, and M. Zbinden. "Wear Studies of Materials for Tubes and Antivibration Bars in Nuclear Steam Generators." Journal of Pressure Vessel Technology 118, no. 3 (1996): 287–300. http://dx.doi.org/10.1115/1.2842191.

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Wear occurs as a result of relative motion at the interface of two contacting bodies. In nuclear power steam generators, high flow rates can induce vibration of the tubes resulting in wear damage due to impact and sliding contacts between the tubes and their supports. A research project aiming to gain better understanding of the mechanisms and mechanics involved in vibratory wear and to develop a more versatile predictive wear model was carried out. Combinations of Inconel tubes against flat antivibration bars of 403 SS and electrolytic-chrome plated Inconel 600 were tested under conditions of
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6

Gardos, M. N., and B. L. Soriano. "The effect of environment on the tribological properties of polycrystalline diamond films." Journal of Materials Research 5, no. 11 (1990): 2599–609. http://dx.doi.org/10.1557/jmr.1990.2599.

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Essentially pure, ∼1.5 μm thick, polycrystalline diamond films DC–PACVD deposited on polycrystalline α-SiC flats were friction and wear tested against similarly coated α-SiC pins. The oscillatory sliding tests were performed with a Knudsen cell-type, wide temperature range tribometer built into a scanning electron microscope. Experiments were completed in 1.33 × 10−3 Pa (1 × 10−5 Torr) and 13.3 Pa (1 × 10−1 Torr) Pair, at test flat temperatures cycled to 850°C and back to room temperature. The results are compared with similar tests previously completed with diamond versus bare α–SiC and diamo
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7

Choi, Hyung Jip, and Glaucio H. Paulino. "Interfacial cracking in a graded coating/substrate system loaded by a frictional sliding flat punch." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 466, no. 2115 (2009): 853–80. http://dx.doi.org/10.1098/rspa.2009.0437.

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An analysis of a coupled plane elasticity problem of crack/contact mechanics for a coating/substrate system with functionally graded properties is performed, where the rigid flat punch slides over the surface of the coated system that contains a crack. The graded material is treated as a non-homogeneous interlayer between dissimilar, homogeneous phases of the coated medium and the crack is assumed to exist along the interface between the interlayer and the substrate. Based on the Fourier integral transform method and the transfer matrix approach, formulation of the current coupled mixed bounda
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8

Cai, Zhen Bing, Min Hao Zhu, Xiu Zhou Lin, Ji Liang Mo, and Zhong Rong Zhou. "Tribological Behavior of Laser-Cladding Ni60 and Co-Cr-W Coatings at Elevated Temperature." Key Engineering Materials 353-358 (September 2007): 878–81. http://dx.doi.org/10.4028/www.scientific.net/kem.353-358.878.

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Nickel base Ni60 and cobalt base Co-Cr-W coatings were prepared on substrate of refractory alloy steel 4Cr14NiW2Mo by laser-cladding technology. A 2 kW transverse-flowing CO2 laser device was used for cladding alloy powder. Another Co-Cr-W coating was formed by bead welding. Under room temperature, 250 oC.and 420 oC, reciprocate sliding wear tests with a ball-on-flat contact for three coatings have been carried out. For the laser cladding coating, a good metallurgical bonding with the substrate was obtained. Different tribological behaviors of three coatings were observed. For the two Co-Cr-W
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9

César Neto, João B., Marília C. Cavalcanti, Ricardo T. Sekiguchi, Claudio M. Pannuti, Giuseppe A. Romito, and Dimitris N. Tatakis. "Root Coverage for Single Deep Gingival Recessions: Outcomes Based on a Decision-Making Algorithm." International Journal of Dentistry 2019 (January 22, 2019): 1–9. http://dx.doi.org/10.1155/2019/1830765.

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Aim. The aim of this study is to report root coverage outcomes in single deep gingival recessions (GR) following a proposed decision-making algorithm. Materials and Methods. A retrospective, practice-based study included single deep (≥5 mm) Miller Class II and III defects. The step-by-step decision-making algorithm led to a choice among three different flap designs (coronally advanced flap (CAF), double papilla envelope flap (DPE) or modified lateral sliding flap (LSF)) used with a connective tissue graft. Recession depth (RD) at 6 months follow-up and the corresponding root coverage (RC) were
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10

Richter, Peter H., Florian Gebhard, Alexander Eickhoff, and Konrad Schütze. "New advances in intra-operative imaging in trauma." EFORT Open Reviews 3, no. 5 (2018): 168–72. http://dx.doi.org/10.1302/2058-5241.3.170055.

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The invention of flat-panel detectors led to a revolution in medical imaging. The major benefits of this technology are a higher image quality and dose reduction. Flat-panel detectors have proved to be superior to standard C-arms (= C-arm with radiograph source and image intensifier). Cone-beam computed tomography (cone-beam CT) is a 3D data set, which can be acquired with a flat-panel detector. The cone-shaped beam is used for 3D data generation. For cone-beam CT acquisition, the flat-panel detector rotates around the patient lying on the operating table. Intra-operative cone-beam CT can be a
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11

Obadele, Babatunde Abiodun, Peter Apata Olubambi, and Sisa Pityana. "Microstructure and Dry Sliding Wear Property of Laser Clad Ti-6Al-4V under Different Counterface Materials." Advanced Materials Research 1019 (October 2014): 259–65. http://dx.doi.org/10.4028/www.scientific.net/amr.1019.259.

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The titanium alloy (Ti-6Al-4V) coated with commercially pure (CP) Ti particles was fabricated by the laser cladding process. Coating quality was investigated by scanning electron microscopy and X-ray diffraction, while wear resistance of the alloys was evaluated on a ball-on-flat dry sliding wear tester at room temperature under a load of 25 N, frequency of 5 Hz and stroke length of 2 mm using three counterface materials (302 SS, Brass and WC). Mass loss of the laser cladded samples as well as the wear rate of each counterface material was calculated. SEM images revealed growth of acicular wid
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12

Agarwal, Kriti, Chetan Chandra, Kanika Agarwal, and Nishant Kumar. "Lateral sliding bridge flap technique along with platelet rich fibrin and guided tissue regeneration for root coverage." Journal of Indian Society of Periodontology 17, no. 6 (2013): 801. http://dx.doi.org/10.4103/0972-124x.124525.

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13

Kayaba, Yasuhisa, Yuzo Nakamura, Jun Kamada, and Kazuo Kohmura. "New Thin Adhesive for High Density 2.5D Heterogeneous Device Integration with Cu-Cu Hybrid Bonding." International Symposium on Microelectronics 2019, no. 1 (2019): 000280–83. http://dx.doi.org/10.4071/2380-4505-2019.1.000280.

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Abstract Heterogeneous integration of logic, memory, and sensor chips on interposers (2.5D) has attracted a lot of attention as a candidate for More-than-Moore technology. For the high performance 2.5D devices, high density integration of chips with narrow spacing and high density interconnections with small pitch bonding electrodes are a key technology. In the current bonding technology, solder micro-bumps (>20 μm in diameter) and non-conductive adhesives have been adopted. There may be some limitations for high density device integration with these technologies because of the protrusi
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14

Shen, Mingxue, Bo Li, Zhinan Zhang, Longzhi Zhao, and Guangyao Xiong. "Abrasive wear behavior of PTFE for seal applications under abrasive-atmosphere sliding condition." Friction 8, no. 4 (2019): 755–67. http://dx.doi.org/10.1007/s40544-019-0301-7.

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Abstract Abrasive wear is a common failure phenomenon that often limits the service life of sealing elements. Evaluation and comparison of the abrasion resistance of polytetrafluoroethylene (PTFE) were conducted using Al2O3 particles with sizes in the range 5 to 200 µm on a pin-on-flat tribo-tester under dry reciprocating sliding conditions at room temperature. Based on the examined worn surface characteristics of both PTFE and 316L stainless steel (as a counterpart) and the analyzed coefficient of friction (COF) evolutions, the wear mechanism and particle size effect have been explored in det
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15

Ivor, Michal, Dávid Medved, Tomasz Chmielewski, et al. "Microstructure Characteristics, Tribology and Nano-Hardness of HVOF Sprayed NiCrRe Coating." Defect and Diffusion Forum 405 (November 2020): 435–39. http://dx.doi.org/10.4028/www.scientific.net/ddf.405.435.

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The high-velocity oxy-fuel technique (HVOF) was used to produce dense NiCrRe coating on boiler steel substrate with a minimal amount of oxide impurities and low porosity. Microstructure analysis, tribology and nano-hardness measurement have been realized with the aim to characterize the systems. The microstructure was studied using scanning electron microscopy and Energy-dispersive X-ray spectroscopy. Tribological characteristics have been studied under the dry sliding condition at applied loads of 5, 10 and 20 N using the ball-on-flat technique with SiC ball at room temperature. Nano-hardness
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16

de Toledo Lourenço, Aneliese Holetz, Evandro de Toledo Lourenço, Marcelo Reis Fraga, and Robert Willer Farinazzo Vitral. "The Association of a Polydioxanone Tent Without a Guided Tissue Regeneration Membrane to a Coronal Sliding Flap for Root Coverage." Journal of Periodontology 80, no. 10 (2009): 1674–79. http://dx.doi.org/10.1902/jop.2009.090164.

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17

Iliuţă, Virgil, Minodora Rîpă, Gabriel Andrei, Adriana Preda, Cornel Suciu, and Juliana Javorova. "Profilometric Evaluation of the Worn Surfaces under Dry Reciprocating Wear Conditions of a Composite Material to Repair Brass Made Parts." Applied Mechanics and Materials 657 (October 2014): 437–41. http://dx.doi.org/10.4028/www.scientific.net/amm.657.437.

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This paper presents the results of the profilometric analysis of wear tracks from tribological tests of a composite material made by Diamond Metallplastic GmbH, Germany. This material has a polymer matrix reinforced with Cu, Zn, Sn particles, and various allotropic forms of SiO2. The material belongs to Multimetall Messing category and is recommended by the manufacturer for repairing brass made parts. This composite material was tribologically tested in dry friction reciprocating conditions, in ball-on-flat configuration, using the tribotester CETR-UMT-2 (Bruker Corporation). The counterpiece
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18

Rajamurugan, G., Agrawal Prajwal Sanjay, Prabu Krishnasamy, B. Muralidharan, and Sanyam Jain. "Drilling and mechanical performance analysis on flax-sisal hybrid composite embedded with perforated aluminum foil." Journal of Reinforced Plastics and Composites 39, no. 23-24 (2020): 902–17. http://dx.doi.org/10.1177/0731684420937070.

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This paper focused on the investigation of mechanical, twist drilling performance and microstructural analysis in aluminum foil reinforced sisal flax epoxy composite. Six combinations of composite (SF1–SF6) were fabricated by hand layup method with two different orientation of circular (φ = 5 mm) geometrical patterns in aluminum foil (thickness 0.024 mm) as structural reinforcement. The mechanical properties were determined by the tensile, flexural, impact, and hardness investigation with ASTM test specimens. The machinability of the composites was studied through twist drilling operation (8 m
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19

Druchinin, Denis, Maksim Gnusov, Nikolay Borodin, Andrey Milyaev, and Mihail Voskoboinik. "RESEARCH DEVELOPMENT OF FORCE CUTTING OF SEEDLING ROOTS BY THE BLADE OF THE WORKING BODY OF PLANT LIFTERS." Forestry Engineering Journal 11, no. 1 (2021): 111–22. http://dx.doi.org/10.34220/issn.2222-7962/2021.1/10.

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Large-sized woody plants are widely used in forestry and forest parks. This type of planting material, which has certain advantages over ordinary seedlings and seedlings in the form of better preservation and survival rate, prolonging the planting season and reducing the volume of preparatory work, is transplanted with a soil lump using special equipment. Research has being carried out to create equipment for digging out large-sized plants with a lump of soil. Previously, laboratory experiments were carried out to assess the effort of cutting the roots of tree species with blades of various co
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20

Coletta, Riccardo, Elisa Mussi, Francesca Uccheddu, Yary Volpe, and Antonino Morabito. "Preoperative Planning of Spiral Intestinal Lengthening and Tailoring: A Geometrical Approach." Bioengineering 8, no. 2 (2021): 20. http://dx.doi.org/10.3390/bioengineering8020020.

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Short bowel syndrome is a pathological condition resulting from extensive resection of the intestine, generally performed due to congenital abnormalities, Crohn’s disease, mesenteric ischemia, or neoplasms. The main consequence of this syndrome is a reduction of intestinal absorption, which causes malnutrition and dehydration. In the most severe cases, specific and complex surgical procedures are requested to manage the syndrome. Such procedures consist of the intestinal lengthening, with lead to an increase of absorptive mucosal surface and intestinal transit time and an overall enhancement o
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21

Kolhatkar, Shilpa, Shaziya A. Haque, James R. Winkler, and Monish Bhola. "Root Coverage in an HIV-Positive Individual: Combined Use of a Lateral Sliding Flap and Resin-Modified Glass Ionomer for the Management of an Isolated Severe Recession Defect." Journal of Periodontology 81, no. 4 (2010): 632–40. http://dx.doi.org/10.1902/jop.2009.090616.

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22

I., Srinivasula Reddy, and Vadivuchezhian Kaliveeran. "Coefficient of friction of dry sliding Al 6061-T6 alloy under different loading conditions." World Journal of Engineering ahead-of-print, ahead-of-print (2020). http://dx.doi.org/10.1108/wje-06-2020-0212.

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Purpose This paper aims to focus on the effect of normal load, sliding speed and temperature on the coefficient of friction of Al 6061-T6 alloy under dry sliding conditions. Design/methodology/approach Dry sliding experiments were conducted using rotary type pin on disk tribometer. Pins with 3 mm radius of contact and circular disks of 165 mm diameter were fabricated to simulate Hertzian contact configuration. Experiments were conducted by applying three different normal loads (1, 1.5 and 2 kg) and three different sliding speeds (1.25, 2 and 3 m/s) at different temperatures [room temperature (
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23

Bashar, Zubairu Usman, Aimrun Wayayok, Amin M. S. M, Mohammad Razif Mahadi, and Bande Y. M. "SRI-TRAY: BREAKTHROUGH IN NURSERY MANAGEMENT FOR THE SYSTEM OF RICE INTENSIFICATION." Jurnal Teknologi 78, no. 1-2 (2016). http://dx.doi.org/10.11113/jt.v78.7262.

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The major challenges envisaged by SRI practitioners to nursery management are high labour requirement and transplanting shock due to traumatic condition at the nursery. This study was aimed at creating innovative techniques for increasing the quality and transplanting potentials of seedlings vis- ă –vis to savings on water, seeds, nursery space as well as reducing the transplanting shock. It involved the use of the developed SRI-Tray having 924 square growing cavities with sliding base to facilitate seedling transfer. The parameters used were water requirement (WR), growing media (GM), nursery
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24

Du, Conghao, Xiuqin Bai, and Chengqing Yuan. "Fretting Tribocorrosion Behaviors of Marine Mooring Chain Steel 22MnCrNiMo in Artificial Seawater." Journal of Tribology 143, no. 7 (2020). http://dx.doi.org/10.1115/1.4048774.

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Abstract The fretting wear behaviors of mooring chain steel 22MnCrNiMo specimens were evaluated in pure water and artificial seawater using a pin-on-flat configuration with 500-μm amplitude at room temperature for 2 h. Open-circuit potential tests and potentiodynamic anodic polarization were used to measure the alloy’s corrosion behaviors. Worn specimen surfaces were observed using scanning electron microscopy and wear volume loss determined using laser-scanning confocal microscopy. Comparative analyses of friction coefficient, wear volume loss, and worn surface morphologies were conducted. Th
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25

Rustamov, Ibrohim, Gaolong Zhang, Margarita Skotnikova, Yuming Wang, and Zixi Wang. "Fretting Wear Behavior and Damage Mechanisms of Inconel X-750 Alloy in Dry Contact Condition." Journal of Tribology 141, no. 4 (2019). http://dx.doi.org/10.1115/1.4042038.

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Frictional and fretting wear behaviors of Inconel X-750 alloy against GCr15 steel ball were investigated in dry contact condition with ∼60% air humidity. Fretting tests were run at the high frequency tribosystem SRV 4 in room temperature and ball-on-flat contact configuration were adopted with the relative oscillatory motion of small displacement amplitude (40 μm). Sliding regimes, wear volumes, frictional properties, and material damage mechanisms were studied with regard to different normal loading and test durations. After the tests, the worn surface morphologies were analyzed by three-dime
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26

Maybury, Terry. "Home, Capital of the Region." M/C Journal 11, no. 5 (2008). http://dx.doi.org/10.5204/mcj.72.

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There is, in our sense of place, little cognisance of what lies underground. Yet our sense of place, instinctive, unconscious, primeval, has its own underground: the secret spaces which mirror our insides; the world beneath the skin. Our roots lie beneath the ground, with the minerals and the dead. (Hughes 83) The-Home-and-Away-Game Imagine the earth-grounded, “diagrammatological” trajectory of a footballer who as one member of a team is psyching himself up before the start of a game. The siren blasts its trumpet call. The footballer bursts out of the pavilion (where this psyching up has taken
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27

Loon, Julienne van. "An Excerpt from the Novella Moving." M/C Journal 6, no. 1 (2003). http://dx.doi.org/10.5204/mcj.2132.

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“Di? Di? Come on, Di. I know you’re in there.” It would have been better if she had just said nothing, just lay there. The voice would have gone away eventually. She did attempt a small silence, leaning back on her pillow and listened to the rattling of the door handle, then a sigh, and an ongoing tapping. “Di?” Finally, she couldn’t help herself. “Fuck off, Nic.” “Come on, Di. What’s up?” “Why don’t you go and find someone else to rip off?” “What do you mean?” “You know what I mean.” “What’s wrong? Come on, let me in, Di. Please?” The door to Diana’s King Street bed-sit was pink, the paint ch
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