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Journal articles on the topic 'Nose part'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 May 2022

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1

Asatrian, Garnik. "‘Nose’ in Armenian." IRAN and the CAUCASUS 18, no. 2 (June 18, 2014): 147–52. http://dx.doi.org/10.1163/1573384x-20140205.

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Armenian has two main signifiers for ‘nose’, k‘it‘ and pinc‘, both remaining obscure. Presumably, they have no Indo-European origin. Body-part names usually are not borrowed. They present predominantly genuine (or substrate) forms, including ideophones, based on internal resources of the language, or terms, shaped through semantic shift of metaphors. Incidentally, the essential part of the Armenian body-part names includes lexemes of the clear IE provenance.The paper attempts to summarise the relevant material on and trace the possible background of the above terms.

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2

Watanabe, Yasumasa, Kojiro Suzuki, and Ethirajan Rathakrishnan. "Aerodynamic characteristics of breathing blunt nose configuration at hypersonic speeds." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 231, no. 5 (April 19, 2016): 840–58. http://dx.doi.org/10.1177/0954410016643979.

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Breathing blunt nose technique is one of the promising methods for reducing the drag of blunt-nosed body at hypersonic speeds. The air, traversed by the bow shock positioned ahead of the nose, at the stagnation region is allowed to enter through a hole at the blunt-nose and ejected at the rear part (base region) of the body. This manipulation reduces the positive pressure over the stagnation regions of the nose and increases the pressure at the base, resulting in reduced suction at the base. The simultaneous manifestation of reducing the compression at the nose and suction at the base regions results in reduction of the total drag. The drag reduction caused by the breathing blunt nose technique has been measured in a Mach 7 tunnel. Also, the drag and flow field around the blunt-nosed body, with and without breathing hole, has been computed. The aerodynamic characteristics of the breathing blunt nose model obtained experimentally are compared with the CFD results. It is found that the breathing results in 5% reduction in drag. The lift coefficient also comes down for the model with breathing nose. But the lift-to-drag ratio is found to be the same for both the cases; the blunt-nosed body with and without nose-hole.

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3

Vardy, A. E. "Aerodynamic Drag on Trains in Tunnels Part 2: Prediction and Validation." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 210, no. 1 (January 1996): 39–49. http://dx.doi.org/10.1243/pime_proc_1996_210_325_02.

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The principal sources of aerodynamic drag on simple trains in tunnels are (a) surface skin friction and (b) stagnation pressure losses at the nose and tail. On sufficiently long trains, the first of these is dominant. On shorter trains, local losses can be more important. This paper seeks to provide a theoretical basis for predictions of the dependence of drag on the train/tunnel blockage ratio, attention being given to tunnel resistance as well as to train resistance. Hitherto, most predictions have relied on empirical formulae. It is shown that the train skin friction coefficient varies approximately linearly with the blockage ratio, βz. The dependence increases with increasing train roughness. The nose loss coefficient kN is shown to be smaller than 0.1 for reasonably streamlined noses. An approximate relationship between kN and βz is hypothesized. The tail loss coefficient kT is shown to be approximately equal to β2z for poorly streamlined tails. A tail shape coefficient is introduced for use with more streamlined tails.

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4

Pahor, Ahmes L. "Ear, Nose and Throat in Ancient Egypt Part III." Journal of Laryngology & Otology 106, no. 10 (October 1992): 863–73. http://dx.doi.org/10.1017/s0022215100121152.

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5

Turkin, I. K., D. A. Rogov, and V. A. Grachev. "Reaction of the preloaded rotation shell with the rigid nose part of the apparatus to a shock wave in the liquid." Civil Aviation High Technologies 24, no. 4 (August 27, 2021): 61–74. http://dx.doi.org/10.26467/2079-0619-2021-24-4-61-74.

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The article investigates the problem of hydro-elastic interaction of a weak shock wave with a rigid nosed rotation shell preloaded with axial forces. The shell is enclosed in a rigid parabolic screen, i.e. the impact of the end face and the shock wave diffraction are not considered. Liquid is regarded to be perfectly compressible. Its applied summing hydrodynamic pressure during complex interaction with the shell surface can be classified into the incident, reflected and radiated waves. The problem of hydro-elastic interaction of these shock fronts with a preloaded parabolic rigid nosed shell in a related setting is reduced to the solution of the wave equations of nonlinear system of equations for shell motion under particular initial and boundary conditions, in which the dimensionless displacement of this nose section under the impact of hydrodynamic forces is determined by integrating its motion equation. The equations, describing the dependences of nose section displacements on shock wave interaction time, take into account generalized hydrodynamic forces, including the second category directly related to the mass of the attached fluid. Determination of stress-strain state in case of interaction with the shock wave in the liquid of elastic rotation paraboloid in the form of the shell containing a rigid insertion in the nose section is reduced to the solution of a nonlinear equations system of shell motion considering the boundary conditions along fastenings at the end face of the shell and interface conditions of the shell and insertion. Dimensionless displacements of the nose section caused by hydrodynamic forces are defined by integrating the equations of motion under the initial conditions along insertion offsets in the axial directions.

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6

Alzahrani, Bandar, Gracious Ngaile, and Chen Yang. "Part 1: Analytical modeling of symmetric multi-nose tube hydroforming." Journal of Manufacturing Processes 15, no. 2 (April 2013): 273–86. http://dx.doi.org/10.1016/j.jmapro.2013.01.004.

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7

Sanjana, AS, AS Nandini, Sharath Kumar, and MG Gopal. "Alveolar soft part sarcoma presenting as metastatic nodule on the nose." Indian Journal of Dermatology, Venereology, and Leprology 78, no. 5 (2012): 666. http://dx.doi.org/10.4103/0378-6323.100559.

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8

Roussel, Sylvie, Gustaf Forsberg, Pierre Grenier, and Véronique Bellon-Maurel. "Optimisation of electronic nose measurements. Part II: Influence of experimental parameters." Journal of Food Engineering 39, no. 1 (January 1999): 9–15. http://dx.doi.org/10.1016/s0260-8774(98)00137-x.

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9

Ewell, Peter T. "From the States: Part II: The shape of the “camel's nose”." Assessment Update 6, no. 1 (January 1994): 12. http://dx.doi.org/10.1002/au.3650060108.

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10

Ma, Lian. "Head and neck surgery. Volume 1 part 1 and part II: Face nose and facial skull." British Journal of Oral and Maxillofacial Surgery 35, no. 3 (June 1997): 225. http://dx.doi.org/10.1016/s0266-4356(97)90675-6.

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11

Ozlu, Emre, and Erhan Budak. "Analytical Modeling of Chatter Stability in Turning and Boring Operations—Part I: Model Development." Journal of Manufacturing Science and Engineering 129, no. 4 (March 14, 2007): 726–32. http://dx.doi.org/10.1115/1.2738118.

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In this paper an analytical model for stability limit predictions in turning and boring operations is proposed. The multidimensional model includes the three-dimensional geometry of the processes resulting in an eigenvalue problem. In addition, a model for the chip thickness at the insert nose is proposed to observe the effect of the insert nose radius on the chatter stability limit. The model represents a development over existing ones due to accurate treatment of the multidimensional process dynamics and geometry, and resulting practical formulas for stability limit predictions. Chatter experiments are conducted for both turning and boring in order to verify the model predictions, and overall, an acceptable agreement is observed.

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12

Долгих, Вячеслав Сергеевич. "ОПТИМІЗАЦІЯ НОСОВОЇ ЧАСТИНИ ФЮЗЕЛЯЖУ З ТОЧКИ ЗОРУ АЕРОДИНАМІКИ ЛІТАКА." Open Information and Computer Integrated Technologies, no. 86 (February 14, 2020): 127–38. http://dx.doi.org/10.32620/oikit.2019.86.09.

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The paper represents the analysis intended to optimize the fuselage nose section with regard to aircraft aerodynamics in the process of development of an unmanned transport aircraft (UTA). The article deals with provisions of high aerodynamic efficiency that cannot be achieved without proper selection of the shape and optimal fuselage parameters that determine mutual interference of aircraft components and units. When analyzing the flow improvement around the fuselage nose in flight, three fuselage versions were considered listed further: 1) a prototype for testing automatic flight control systems with participation of pilots; 2) a nose symmetrical relative to the fuselage rocket type cylinder axis; 3) a supposedly optimal variant based on the results of previous calculations. The aerodynamic characteristics of 3D fuselage models for positive integer Reynolds numbers (full-scale model) were calculated using the ANSYS software package. Three computational grids were built for these models in ANSYS ICEM CFD. The given version of the fuselage nose section intended for testing automatic flight control systems with participation of pilots initially has the greatest resistance among the considered variants. That is, first variant of the fuselage nose gives substantial braking zone as well as significant flow acceleration zone exists in place where fuselage is transformed into cylindrical part. The variant with the nose section symmetrical relative to the rocket type cylinder axis has smaller braking zone and less dispersed flow in place where fuselage is transformed into cylindrical part and, therefore, it has lower resistance in comparison with the first version. The fuselage execution developed on the basis of the results of previous calculations, despite the extensive acceleration zone at the junction of the nose to the cylindrical part, has shown the least resistance, respectively, and is the best of the considered variants. This is also confirmed by a comparison of streamlines over the nose surface. The streamlines are given for calculations at angle of attack of 8°; at this angle of attack, the difference in the coefficient Cx is clearly visible.

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13

Roussel, Sylvie, Gustaf Forsberg, Vincent Steinmetz, Pierre Grenier, and Véronique Bellon-Maurel. "Optimisation of electronic nose measurements. Part I: Methodology of output feature selection." Journal of Food Engineering 37, no. 2 (August 1998): 207–22. http://dx.doi.org/10.1016/s0260-8774(98)00081-8.

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14

Jang, Jeong-hwan, Won-hee Kwon, Se-hwan Chun, and Young-hoon Moon. "Reliability analysis of process-induced cracks in rotary swaged shell nose part." Journal of Mechanical Science and Technology 26, no. 7 (July 2012): 2155–58. http://dx.doi.org/10.1007/s12206-012-0535-z.

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15

Choi, Ju Young, Takashi Fukuda, and Tomoyuki Kakeshita. "Isothermal Martensitic Transformation in a Sensitized SUS304 Stainless Steel under Magnetic Field." Materials Science Forum 654-656 (June 2010): 130–33. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.130.

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We have investigated effect of magnetic field at cryogenic temperature on the stability of austenitic phase in a sensitized SUS304 stainless steel. The sensitization of the steel was made by heat-treatment in vacuum at 973 K for 100h after the solution treatment at 1323 K for 0.5 h. Isothermal holding of the sensitized specimens was made under a static magnetic field of 5 T in the temperature range between 60 and 260 K for various holding times. As a result, the TTT diagram under the magnetic field corresponding to the formation of 0.5 vol. % of -martensite shows a double-C curve with two noses. We found that by the application of magnetic field, the nose temperature and the incubation time of upper part of the C-curve, that is due to the    transformation, become lower and shorter, respectively. On the other hand, the nose temperature of lower part of the C-curve, that is due to the      transformation, does not change under the magnetic field although the incubation time shortens by the application of magnetic field.

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16

Grutzenmacher, S., D. M. Robinson, J. Sevecke, G. Mlynski, and A. G. Beule. "Comparative investigations of anatomy and physiology in mammalian noses (Homo sapiens--Artiodactyla)." Rhinology journal 49, no. 1 (March 1, 2011): 18–23. http://dx.doi.org/10.4193/rhino09.005.

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Background: Knowledge of airflow in animal noses is sparse. Such knowledge could be important for selection of animal models used in environmental studies. From the phylogenetic and ontogenetic point of view, a comparison between the animal and human nose is interesting. Method: Nose models of 5 even-toed ungulate species (he-goat, sheep, cow, roebuck, wild boar) and two humans (new born infant and adult) were examined. Anatomical and physiological features of the nasal cavities of all species were compared. All models were rinsed with water and the flow was visualized for observation. Geometric and rhinoresistometric measurements were then performed. Results and conclusions: Even-toed ungulates have two turbinates directly in the main part of the nasal airflow (respiratory turbinates) and a different number of turbinates in a so-called dead space of the nasal airflow above the nasopharyngeal duct (ethmoidal turbinates). The latter correspond with the upper and middle turbinate in analogy to the human nose. Respiratory turbinates of even-toed ungulates insert immediately behind the external nasal ostium. Thus, the whole nasal cavity acts as a functional area with the exception of a small area acting as dead space only detectable in ruminants, possibly indicating a small evolutionary progress from suinae to bovidae. The shape of the animal nasal cavity is stretched and flat. The airflow runs nearly completely turbulent through the nose. The nasal cavity in the adult human is relatively short and high. The area between the external nasal ostium and the head of the inferior turbinate is called inflow area. It distributes the airflow over the whole nasal cross section and generates a turbulent flow. So the airflow is prepared to contact the mucosa in the functional area (turbinate area). The morphology of the inflow area is approximately formed by the shape of the external nose. The nasal cavity of a newborn child is also stretched and flat and more similar to the nasal shape of the investigated animals. The inflow area in the newborn nose is not yet developed and corresponds with the growing external newborn nose. One can hypothesize that the inflow area in human noses is a morphological adaptation in the changed length-height-ratio of the nasal cavity.

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17

Kravchenko, Elena I., and Victor V. Petrov. "Air Monitoring by Means of Electronic Nose." Advanced Materials Research 864-867 (December 2013): 908–12. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.908.

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The problem of air quality control is relevant at the present time. There are a lot of different devices and methods of air monitoring. The promising devices for air monitoring are automated air monitoring systems functioning in real time regime. The basic part of such system is a chemical gas sensor. Gas sensors can be combined into the arrays or so called multisensor systems to increase their effectiveness. Sensor arrays using semiconductor sensors based on SnOxZrOy thin films have been investigated in this work. The recognition of ammonia, nitrogen dioxide has been made.

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18

LNU, Jayakumar, and Sonia LNU. "LEAST PROTECTIVE PART OF THE BODY DURING DENTAL CARE -- YOUR EYES." CODS Journal of Dentistry 2, no. 2 (2010): 17–20. http://dx.doi.org/10.5005/cods-2-2-17.

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Abstract Protective eyewear is integral component of Personnel protective equipments (PPE) and helps contribute to a safer work environment. Protective eyewear protocol is important in reducing contamination of the mucous membranes and skin surrounding the eyes, nose as well as injury and infections. The topic of occupational eye injuries in dentistry is one that clearly requires further study, thus, this article reviews the various eye injuries and their prevention in dentistry.

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19

Harding, Samuel, Levi Kilcher, and Jim Thomson. "Turbulence Measurements from Compliant Moorings. Part I: Motion Characterization." Journal of Atmospheric and Oceanic Technology 34, no. 6 (June 2017): 1235–47. http://dx.doi.org/10.1175/jtech-d-16-0189.1.

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AbstractHigh-fidelity measurements of turbulence in the ocean have long been challenging to collect, in particular in the middle of the water column. In response, a measurement technique has been developed to deploy an acoustic Doppler velocimeter (ADV) to midwater locations on a compliant mooring. A variety of instrumentation platforms have been deployed as part of this work with a range of dynamic motion characteristics. The platforms discussed herein include the streamlined StableMoor buoy (SMB), the Tidal Turbulence Mooring (TTM) system based on a conventional 0.9-m spherical buoy, and a 100-lb sounding weight suspended from the stern of a research vessel. The ADV head motion is computed from inertial motion sensors integrated into an ADV, and the spectra of these signals are investigated to quantify the motion of each platform. The SMB with a single ADV head mounted on the nose provided the most stable platform for the measurement of tidal turbulence in the inertial subrange for flow speeds exceeding 1.0 m s−1. The modification of the SMB with a transverse wing configuration for multiple ADVs showed a similar frequency response to the nose configuration in the horizontal plane but with large contamination in the vertical direction as a result of platform roll. While the ADV motion on the TTM was significant in the horizontal directions, the vertical motion of this configuration was the most stable of all configurations tested. The sounding weight measurements showed the greatest motion at the ADV head but are likely to be influenced by both prop-wash and vessel motion.

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20

Baser, Brajendra. "RHINOPLASTY DIARIES PART #2: DON'T TAKE THE ARAB OUT FROM MY SON'S NOSE." UP STATE JOURNAL OF OTOLARYNGOLOGY AND HEAD AND NECK SURGERY VOLUME 8, ISSUE 1 (July 7, 2020): 35–38. http://dx.doi.org/10.36611/upjohns/2020/issue1/6.

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As promised I am writing the second part of my series of articles covering interactions I have had during my 30 years in Rhinoplasty. This focuses on my journey as a Rhinoplasty at a time when the specialty was developing in India. Nowadays with all the audio-visual aids and experienced surgeon learning Rhinoplasty is much simpler in India. But when I started, there was no authority on Rhinoplasty, at least in Mumbai. At the time there were some famous genral plastic surgeons treating 􀃶lm stars( but not particularly known for Rhinoplasty) but they were so secretive that they never allowed juniors to watch or learn their surgery , Especially if you weren't a plastic surgeon – I would go so far as to say it was considered a sin for an ENT surgeon to even think of Rhinoplasty, all that was expected from us was to divert cases like traffic policemen. As with all careers luck played a part, I joined as a Lecturer at theT.N.Medical college & B.Y.L Nair Hospital Mumbai,, the professor was very friendly with a German plastic surgeon and ordered a full Karl storz Rhinoplasty instrument set. KEY WORDS: RHINOPLASTY, NOSE DEFORMITY, CORRECTION OF NOSE DEFORMITY

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21

Hemdan, Hamdi T. "Similarity solutions for oscillating pointed-nose slender axisymmetric bodies—part ii: curved bodies." Acta Astronautica 49, no. 11 (December 2001): 611–26. http://dx.doi.org/10.1016/s0094-5765(01)00084-4.

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22

Hemdan, Hamdi T. "Similarity solutions for oscillating pointed-nose slender axisymmetric bodies — part I: circular cones." Acta Astronautica 45, no. 2 (July 1999): 75–83. http://dx.doi.org/10.1016/s0094-5765(99)00112-5.

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23

Peel, Elizabeth, Odette Parry, Margaret Douglas, and Julia Lawton. "“It’s No Skin off My Nose”: Why People Take Part in Qualitative Research." Qualitative Health Research 16, no. 10 (December 2006): 1335–49. http://dx.doi.org/10.1177/1049732306294511.

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24

Batista, Marcelo Ferreira, Alessandro Roger Rodrigues, and Reginaldo Teixeira Coelho. "Modelling and characterisation of roughness of moulds produced by high-speed machining with ball-nose end mill." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 231, no. 6 (August 8, 2016): 933–44. http://dx.doi.org/10.1177/0954405415584898.

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Cusps and scallops of hardened steel moulds produced by high-speed milling using a ball-nose end mill were mathematically modelled, characterised by microscopy and experimentally validated. The experimental results show that the part material is crushed or ploughed near the cutter centre, where the cutting speed is very low. This kinematic singularity, associated with tool feed, compresses and bends the ball-nose end mill axially. Because of this double effect, the end mill marks on the part at the end of the milling path cause surface damage and dimensional errors to the hardened mould. A mathematical model may predict the formation of the cusps and scallops and be of use in computer numerical control or computer-aided manufacturing programming to obtain the desired part topography.

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25

Tang, Yanlong, Yun Zhang, Xiaoguang Han, Fang-Lue Zhang, Yu-Kun Lai, and Ruofeng Tong. "3D corrective nose reconstruction from a single image." Computational Visual Media 8, no. 2 (December 6, 2021): 225–37. http://dx.doi.org/10.1007/s41095-021-0237-5.

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AbstractThere is a steadily growing range of applications that can benefit from facial reconstruction techniques, leading to an increasing demand for reconstruction of high-quality 3D face models. While it is an important expressive part of the human face, the nose has received less attention than other expressive regions in the face reconstruction literature. When applying existing reconstruction methods to facial images, the reconstructed nose models are often inconsistent with the desired shape and expression. In this paper, we propose a coarse-to-fine 3D nose reconstruction and correction pipeline to build a nose model from a single image, where 3D and 2D nose curve correspondences are adaptively updated and refined. We first correct the reconstruction result coarsely using constraints of 3D-2D sparse landmark correspondences, and then heuristically update a dense 3D-2D curve correspondence based on the coarsely corrected result. A final refinement step is performed to correct the shape based on the updated 3D-2D dense curve constraints. Experimental results show the advantages of our method for 3D nose reconstruction over existing methods.

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26

Kurnikova, Anastasia, Martin Deschênes, and David Kleinfeld. "Functional brain stem circuits for control of nose motion." Journal of Neurophysiology 121, no. 1 (January 1, 2019): 205–17. http://dx.doi.org/10.1152/jn.00608.2018.

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Rodents shift their nose from side to side when they actively explore and lateralize odors in the space. This motor action is driven by a pair of muscles, the deflector nasi. We studied the premotor control of this motion. We used replication-competent rabies virus to transsynaptically label inputs to the deflector nasi muscle and find putative premotor labeling throughout the parvocellular, intermediate, and gigantocellular reticular formations, as well as the trigeminal nuclei, pontine reticular formation, midbrain reticular formation, red nucleus, and superior colliculus. Two areas with extensive labeling were analyzed for their impact on nose movement. One area is in the reticular formation caudal to the facial motor nucleus and is denoted the nose retrofacial area. The second is in the caudal part of the intermediate reticular region near the oscillator for whisking (the nose IRt). Functionally, we find that optogenetic activation of glutamatergic cells in both areas drives deflection of the nose. Ablation of cells in the nose retrofacial area, but not the nose IRt, impairs movement of the nose in response to the presentation of odorants but otherwise leaves movement unaffected. These data suggest that the nose retrofacial area is a conduit for a sensory-driven orofacial motor action. Furthermore, we find labeling of neurons that are immediately upstream of premotor neurons in the preBötzinger complex that presumably synchronizes a small, rhythmic component of nose motion to breathing. NEW & NOTEWORTHY We identify two previously undescribed premotor areas in the medulla that control deflection of the nose. This includes a pathway for directed motion of the nose in response to an odorant.

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27

Witczak, Krzysztof. "Ciało i jego fragmenty w prozie Mikołaja Gogola." Kultury Wschodniosłowiańskie - Oblicza i Dialog, no. 7 (July 31, 2018): 211–24. http://dx.doi.org/10.14746/kw.2017.7.17.

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The article presents a perspective of somatic present in the prose of Nikolai Gogol. The body is treated here as a project — a collection of body fragments. Particular attention is paid to the figure of nose, which occurs in two selected short stories entitledNose and Diary of a Madman. Therefore, any attempt to emancipate the body part is a threat to the need to preserve the face. Nose is a sense of belonging. This part of the body is thus a limit to what we used to be referred to as belonging to us. Its location creates the last bastion of perception, the selfness.

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28

Odinaev, I., Andrew V. Pazderin, Pavel V. Murzin, Valeriy A. Tashchilin, Vladislav O. Samoylenko, and B. Ghociev. "Detection of the initial region of the current transformer core saturation." Renewable Energy and Power Quality Journal 19 (September 2021): 477–82. http://dx.doi.org/10.24084/repqj19.322.

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In the first part of the paper the detailed analysis of the existing current transformer (CT) saturation detection methods with their classification is presented. A new saturation detection method has been proposed in second part of the paper. Mathematical description of the method is given. In the next section of the paper a CT model with test scheme is presented. To identify the reliability of proposed method against nose and remanent flux density experiments have been produced in the fourth section. Comparative analysis between proposed and existing methods is also given. Finally, in conclusion a detailed description of the method is given regarding its behavior with respect to remanent flux and noise

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29

Taj, Farhana Tahseen, Divya Vupperla, and Prarthana B. Desai. "Granulosis Rubra Nasi Response to Topical Tacrolimus." Case Reports in Dermatological Medicine 2017 (2017): 1–3. http://dx.doi.org/10.1155/2017/2519814.

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Granulosis Rubra Nasi (GRN) is a rare disorder of the eccrine glands. It is clinically characterized by hyperhidrosis of the central part of the face, most commonly on the tip of the nose, followed by appearance of diffuse erythema over the nose, cheeks, chin, and upper lip. It is commonly seen in childhood but it can present in adults. Here we report a case of GRN in an adult patient with very unusual histopathological presentation.

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30

Wu, D. W., and C. R. Liu. "An Analytical Model of Cutting Dynamics. Part 2: Verification." Journal of Engineering for Industry 107, no. 2 (May 1, 1985): 112–18. http://dx.doi.org/10.1115/1.3185973.

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The dynamic force model developed in the preceding paper [1] is further examined. The analysis shows a successful prediction of the forms of stability boundary over a wide range of cutting speed. It reveals that the cutting force acting on tool rake face controls the high-speed stability, while the ploughing force acting on tool nose region dominates the low-speed stability. A series of cutting tests were carried out to examine the validity of the model. The result shows a fairly good agreement between the theoretical prediction of stability limit and the experimental determination of critical width of cut when the cutting conditions are properly chosen to avoid the presence of built-up-edge on tool tip.

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31

R Mohamed, Rajina, Razali Yaacob, Mohamad A Mohamed, Tengku Azahar Tengku Dir, and F. A Rahim. "Food Freshness Using Electronic Nose and Its Classification Method: A Review." International Journal of Engineering & Technology 7, no. 3.28 (August 17, 2018): 49. http://dx.doi.org/10.14419/ijet.v7i3.28.20964.

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Generally, E-nose mimics human olfactory sense to detect and distinguish an odor or gasses or volatile organic compound from a few objects such as food, chemicals, explosive etc. Thus, E-nose can be used to measure gas emitted from food due to its ability to measure gas and odor. Principally, the E-nose operates by using a number of sensors to response to the odorant molecules (aroma). Each sensor will respond to their specific gas respectively. These sensors are a major part of the electronic nose to detect gas or odor contained in a volatile component. Information about the gas detected by sensors will be recorded and transmitted to the signal processing unit to perform the analysis of volatile organic compound (VOC) pattern and stored in the database classification, in order to determine the type of odor. Classification is a way to distinguish a mixture odor/aroma obtained from gas sensors in an electric signal form. In this paper, we discussed briefly about electronic nose, it’s principle of work and classification method and in order to classify food freshness.

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32

Clarke, R. W., and A. S. Jones. "The distribution of nasal airflow sensitivity in normal subjects." Journal of Laryngology & Otology 108, no. 12 (December 1994): 1045–47. http://dx.doi.org/10.1017/s0022215100128853.

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AbstractNasal airflow modifies the pattern of ventilation presumably due in part to nervous signals arising in the nose and transmitted along the trigeminal nerve to the respiratory centre. Nasal receptor tissue must also be important in determining the sensation of airflow at a conscious level but little attention has been paid to the distribution and function of these receptors.An experimental model to deliver a pulse of air at different velocities to various nasal test sites is described. In this way nasal sensitivity to an air jet can be mapped out. Sensitivity of the nose to an air jet is greatest at the entrance to the nose – the region of the nasal vestibule.

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Yousefi, Jaleh, A. Mobasher Jannat, and R. Ajudani. "Penetrating nose and maxillary sinus injury with a metal part of a military gun." Journal of the Royal Army Medical Corps 162, no. 2 (January 14, 2016): 137–38. http://dx.doi.org/10.1136/jramc-2015-000604.

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Pauluhn, Jürgen, and Ulrich Mohr. "Mosquito coil smoke inhalation toxicity. Part II: Subchronic nose-only inhalation study in rats." Journal of Applied Toxicology 26, no. 3 (May 2006): 279–92. http://dx.doi.org/10.1002/jat.1139.

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Denisov, V. A., N. Yu Kozhukhova, G. V. Orekhova, and M. A. Mikhal'chenkova. "Influence of ploughshare design and welding reinforcement on the hardness of its nose part." Traktory i sel hozmashiny 83, no. 7 (July 15, 2016): 36–40. http://dx.doi.org/10.17816/0321-4443-66209.

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The hardness of working surface of ploughshares is very significant for their abrasive wear resistance. Knowing this mechanical property is especially important for manufacturing and hardening of ploughshares, since their wear is not uniform. In this regard, the research problems include studying of hardness distribution in the most loaded nose part of ploughshare, depending on its design and on welding reinforcement as a hardening method. Ploughshares after reinforcement and ploughshares in as-delivered condition after their taking out of service are submitted as objects of the research. Reinforcement included bead welding in the area of share point perpendicularly to the leading edge with the pitch of 30-40 mm. The validity of results was provided by measurement of four parts on each object of research. The total number of tested ploughshares was eight. Hardness was measured with a mobile hardness gage. Measurement results were recorded on Rockwell hardness scale (HRC) with subsequent conversion to Brinell hardness (HB). It is shown that for ploughshares without hardening, the hardness distribution in considered part has the non-uniform character, that is caused by the non-uniformity of processes of recrystallization because of unequal thickness of walls in separate volumes of a product. The hardness values of ploughshares in as-delivered condition are not high (230 HB maximum) and cannot provide the proper abrasive wear resistance. The lowered value of hardness (175 HB) is noted on the deepening part of a ploughshare. Application of welding reinforcement increases hardness (by 200 HB on the deepening part), that is connected with manifestation of heat hardening due to the formation of hardening structures. Traces of reinforcing beads make positive impact on the increase in hardness, which contributes to the growth of abrasive wear resistance.

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Tang, Gui-Ji, Hong-Chun Jiang, Yu-Ling He, and Qing-Fa Meng. "Electromagnetic Forces and Mechanical Responses of Stator Windings before and after Rotor Interturn Short Circuit in Synchronous Generators." Mathematical Problems in Engineering 2020 (December 30, 2020): 1–19. http://dx.doi.org/10.1155/2020/5892312.

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This paper studies the stator winding electromagnetic force behaviors before and after rotor inter-turn short circuit (RISC) in synchronous generator. Different from other studies, this paper not only studies the electromagnetic force characteristics, but also investigates the mechanical responses, the damage regularity, and the countermeasure of the stator winding. Firstly, formulas of electromagnetic force online and end part are obtained. Then, a 3D finite element model of a 3-pair-pole simulation generator is applied to get the electromagnetic force, and the dangerous stator slot is found. Finally, the mechanical response of each end winding is acquired, and especially the directional deformations of nose part are calculated. It shows that the occurrence of RISC will bring in times of rotor rotating frequency components to electromagnetic force, but the DC component and 2p times of rotor rotating frequency components are still the main that will be decreased. Additionally, the winding insulation wear in the same layer is more serious than that in a different layer, nose fatigue fracture begins with the center, and nose insulation wear starts from the top.

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Su, Zhuang. "Mixing character in the head part of a gravity current." International Journal of Modern Physics B 34, no. 14n16 (May 30, 2020): 2040097. http://dx.doi.org/10.1142/s0217979220400974.

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The mixing within a full depth lock-exchange gravity current was investigated experimentally with planar laser-induced fluorescence PLIF. The scalar edge of the gravity current was identified via an edge detection algorithm. A strong mixing region located along this edge was extracted from the flow field and analyzed. A dimensionless background potential energy was defined to characterize the local mixing rate in this region, which showed a two-stage behavior. In the section near the nose, mixing rate oscillates strongly under the influence of the lobe and cleft shifting, while in the upper part, the mixing rate grows gradually under the mechanism of billows rolling up.

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Zhang, Bo, Shushan Wang, Mengyu Cao, and Yuxin Xu. "Impacts of Deflection Nose on Ballistic Trajectory Control Law." Mathematical Problems in Engineering 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/984840.

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The deflection of projectile nose is aimed at changing the motion of the projectile in flight with the theory of motion control and changing the exterior ballistics so as to change its range and increase its accuracy. The law of external ballistics with the deflectable nose is considered as the basis of the design of a flight control system and an important part in the process of projectile development. Based on the existing rigid external ballistic model, this paper establishes an external ballistic calculation model for deflectable nose projectile and further establishes the solving programs accordingly. Different angle of attack, velocity, coefficients of lift, resistance, and moment under the deflection can be obtained in this paper based on the previous experiments and emulation researches. In the end, the author pointed out the laws on the impaction of external ballistic trajectory by the deflection of nose of the missile.

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Craven, Brent A., Eric G. Paterson, and Gary S. Settles. "The fluid dynamics of canine olfaction: unique nasal airflow patterns as an explanation of macrosmia." Journal of The Royal Society Interface 7, no. 47 (December 9, 2009): 933–43. http://dx.doi.org/10.1098/rsif.2009.0490.

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The canine nasal cavity contains hundreds of millions of sensory neurons, located in the olfactory epithelium that lines convoluted nasal turbinates recessed in the rear of the nose. Traditional explanations for canine olfactory acuity, which include large sensory organ size and receptor gene repertoire, overlook the fluid dynamics of odorant transport during sniffing. But odorant transport to the sensory part of the nose is the first critical step in olfaction. Here we report new experimental data on canine sniffing and demonstrate allometric scaling of sniff frequency, inspiratory airflow rate and tidal volume with body mass. Next, a computational fluid dynamics simulation of airflow in an anatomically accurate three-dimensional model of the canine nasal cavity, reconstructed from high-resolution magnetic resonance imaging scans, reveals that, during sniffing, spatially separate odour samples are acquired by each nostril that may be used for bilateral stimulus intensity comparison and odour source localization. Inside the nose, the computation shows that a unique nasal airflow pattern develops during sniffing, which is optimized for odorant transport to the olfactory part of the nose. These results contrast sharply with nasal airflow in the human. We propose that mammalian olfactory function and acuity may largely depend on odorant transport by nasal airflow patterns resulting from either the presence of a highly developed olfactory recess (in macrosmats such as the canine) or the lack of one (in microsmats including humans).

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Datta, Anindita, Nasima Akhtar, and Abirvab Naha. "Columellar sinus: A rare congenital isolated sinus." Bangabandhu Sheikh Mujib Medical University Journal 9, no. 1 (July 28, 2016): 48. http://dx.doi.org/10.3329/bsmmuj.v9i1.28944.

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Midline congenital malformation of the nose is a very rare presentation and it's midline situation seems curious and is very difficult to explain on the basis of the present day conception of the embryology of the nose. The prevalence of lower lip sinuses has been estimated to be about 0.001 % of the general population. Upper lip sinuses are even more uncommon. We herein report a case of a 13 years old girl having congenital sinus affecting the upper part of the columella.

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Imam, Syed A., and M. R. Khan. "TGS Sensors in Electronic Nose for Multimedia Applications: A Practical Approach." Asia Pacific Business Review 3, no. 2 (July 2007): 102–12. http://dx.doi.org/10.1177/097324700700300211.

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Multimedia systems are widely used in consumer electronics environments today, where humans can work and communicate through multi-sensory interfaces. Unfortunately smell detection and generation systems are not part of today's multimedia systems. In this paper, we propose an Electronic Nose based on TGS-822 sensors that can be used in a multimedia environment. TGS-822 sensor based electronic nose can detect a large number of Volatile Organic Compounds (VOCs) that have some smell and will have a significantly lower cost compared to the other detection systems. The results and the calibration graph obtained for three VOCs (i.e. ethanol, acetone and benzene) with varying concentration shows that TGS 822 sensor has the potential to become a reliable instrument and can be used in an electronic nose. Therefore, the accuracy and linearity of the obtained characteristics with higher sensitivity of the proposed electronic nose based on TGS-822 sensor for the detection and determination of volatile organic compounds defines its effectiveness in a multimedia environment.

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Hamilton, Grant S. "Rhinoplasty as an Adjunct to Facial Rejuvenation." Facial Plastic Surgery 37, no. 02 (March 5, 2021): 211–17. http://dx.doi.org/10.1055/s-0041-1725108.

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AbstractRhinoplasty typically is not considered a part of the repertoire facial rejuvenation surgery but the same involutional changes that affect the other structures of the face also impact the nose and midface. Comparatively little has been written about nasal rejuvenation. Rhinoplasty may be an under-recognized but a useful adjunct to the rejuvenation of the aging face. The aging nose presents unique pathology due to the involutional changes that affect the cartilage and supporting structures. A comprehensive facial rejuvenation plan should address these progressive effects.

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Peterka, Jozef, Ladislav Morovič, Peter Pokorný, Martin Kováč, and František Hornák. "Optical 3D Scanning of Cutting Tools." Applied Mechanics and Materials 421 (September 2013): 663–67. http://dx.doi.org/10.4028/www.scientific.net/amm.421.663.

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The paper shortly illustrates the general concept of Reverse Engineering, which includesalso the 3D scanning. In the main part of the paper the concrete 3D scanning process of chosen individual objects are described. The problems that occurred during 3D digitizing of individual parts are step by step discussed and solved. The paper deals with 3D scanning of ball nose end mills and screw drill. The article gives a procedure for digitizing and comparing the results of the scanned digital models of the two ball nose end mills and screw drill.

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Dang, Brian N., Allison C. Hu, Anthony A. Bertrand, Candace H. Chan, Nirbhay S. Jain, Miles J. Pfaff, James C. Lee, and Justine C. Lee. "Evaluation and treatment of facial feminization surgery: part I. forehead, orbits, eyebrows, eyes, and nose." Archives of Plastic Surgery 48, no. 5 (September 15, 2021): 503–10. http://dx.doi.org/10.5999/aps.2021.00199.

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Facial feminization surgery (FFS) incorporates aesthetic and craniofacial surgical principles and techniques to feminize masculine facial features and facilitate gender transitioning. A detailed understanding of the defining male and female facial characteristics is essential for success. In this first part of a two-part series, we discuss key aspects of the general preoperative consultation that should be considered when evaluating the prospective facial feminization patient. Assessment of the forehead, orbits, hairline, eyebrows, eyes, and nose and the associated procedures, including scalp advancement, supraorbital rim reduction, setback of the anterior table of the frontal sinus, rhinoplasty, and soft tissue modifications of the upper and midface are discussed. In the second part of this series, bony manipulation of the midface, mandible, and chin, as well as soft tissue modification of the nasolabial complex and chondrolaryngoplasty are discussed. Finally, a review of the literature on patient-reported outcomes in this population following FFS is provided.

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Makaju, Sarbada, Shradha Adhikari, and Chandra Kala Rai. "MEASUREMENT OF NASAL INDEX IN BHAKTAPUR REGION: A DESCRIPTIVE CROSS-SECTIONAL STUDY." Journal of Chitwan Medical College 12, no. 1 (March 15, 2022): 53–56. http://dx.doi.org/10.54530/jcmc.606.

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Background: The nose is most projection part of the face. Anatomically, the shape of the nose is pyramidal with its apex faces upward and the base faces downwards. It plays an important role in respiration, phonation and aesthetic. The shape of the nose varies according to the different geographical region owing to climate and ethnicity. The aim of this study was to assess the nasal index among the citizens of Bhaktapur. Methods: The study was conducted on 385 population of Bhaktapur between 1 Aug 2020-Aug 2021. The frequency of the nasal index was analysed. The vernier calliper was used to measure the height and width of nose. The data was analysed by using Statistical Package for the Social Sciences 20 version. Results: In this study, the highest prevalence of nasal index in Bhaktapur region was mesorrhine 235 (61.0%). In the gender, the highest prevalence of the Nasal Index was mesorrhine. In the ethnicity also mesorrhine types of the Nasal Index was found. Conclusions: This study concludes that commonest nasal index of the population of Bhaktapur fall under mesorrhine type of nose. The sexual dimorphism was not significant in both the gender as it showed mesorrhine types in both gender. Whereas among the ethnicity, the Brahmin and Newar sharing the almost the same result.

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Ozlu, Emre, and Erhan Budak. "Analytical Modeling of Chatter Stability in Turning and Boring Operations—Part II: Experimental Verification." Journal of Manufacturing Science and Engineering 129, no. 4 (March 14, 2007): 733–39. http://dx.doi.org/10.1115/1.2738119.

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In this part of the paper series, chatter experiments are conducted in order to verify the proposed stability models presented in the first part (Ozlu, E., and Budak, E., 2007, ASME J. Manuf. Sci. Eng., 129(4), pp. 726–732). Turning and boring chatter experiments are conducted for the cases where the tool or the workpiece is the most flexible component of the cutting system. In addition, chatter experiments demonstrating the effect of the insert nose radius on the stability limit are presented. Satisfactory agreement is observed between the analytical predictions and the experimental results.

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Suchorab, Zbigniew, Łukasz Guz, Grzegorz Łagód, and Henryk Sobczuk. "The Possibility of Building Classification for Mould Threat Using Gas Sensors Array." Advanced Materials Research 1126 (October 2015): 161–68. http://dx.doi.org/10.4028/www.scientific.net/amr.1126.161.

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Mould risk is an increasing problem in current housing branch. Mould is considered to be one of the most important features of Sick Building Syndrome. In most cases it is caused by the increased moisture of building barriers and improper humidity of indoor air. In old buildings it is caused by improper raising techniques, lack of isolation against moisture and insufficient building materials applied for construction. Modern housing also suffers problem of mould risk which is connected to introducing of the new materials and technologies for external envelopes of the buildings. These often increase the tightness of the buildings and cause improper performance of natural ventilation systems, which makes suitable conditions for mould to grow.In the paper there is proposed an attempt to evaluate mould risk in the buildings using e-nose, being a gas sensors array which consists of eight metal oxide semiconductor (MOS) gas sensors. This device is commonly applied for air quality assessment in environmental research. First part of the article is a description of e-nose technology and its possible applications in constructions. The second part shows the exemplary e-nose readouts of indoor air sampled in clean reference rooms and threatened with mould development. Obtained multivariate data are processed and visualized using a Principal Component Analysis (PCA).

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Bonferoni, Maria, Silvia Rossi, Giuseppina Sandri, Franca Ferrari, Elisabetta Gavini, Giovanna Rassu, and Paolo Giunchedi. "Nanoemulsions for “Nose-to-Brain” Drug Delivery." Pharmaceutics 11, no. 2 (February 17, 2019): 84. http://dx.doi.org/10.3390/pharmaceutics11020084.

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The blood–brain barrier (BBB) plays a fundamental role in protecting the brain from toxic substances and therefore also controls and restricts the entry of therapeutic agents. The nasal administration of drugs using the nose-to-brain pathway allows direct drug targeting into the brain, avoiding the first-pass effect and bypassing the BBB. Through the nasal route, the drug can access the brain directly along the trigeminal and olfactory nerves, which are located in the upper part of the nasal cavity. Nanoemulsions are formulations belonging to the field of nanomedicine. They consist of emulsions (commonly oil in water) stabilized by one or more surfactants—and eventually co-surfactants—delivered in droplets of small dimensions (sizes of 100–300 nm or less) with a high surface area. A mucoadhesive polymer such as chitosan can be added to the formulation to impair rapid nasal clearance. Nanoemulsions represent promising formulations to deliver drugs directly into the brain through the intranasal route. Therefore, they can be used as a possible alternative to oral administration, avoiding problems such as low solubility in water, poor bioavailability, enzymatic degradation and slow onset of action. This review focuses the present situation in literature regarding the use of nanoemulsions for nose-to-brain targeting, with particular attention to recent publications. Nasal nanoemulsions appear to be effective, non-invasive and safe drug delivery systems to achieve brain targeting for the treatment of neurological diseases.

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Sharma, H., D. Dayal, and S. P. Agrawal. "Nasal myiasis: Review of 10 years experience." Journal of Laryngology & Otology 103, no. 5 (May 1989): 489–91. http://dx.doi.org/10.1017/s0022215100156695.

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AbstractNasal myiasis is a manifestation of the nasal cavities by larvae of the fly of genus Chrysomia. It is prevalent in tropical countries. Atrophic rhinitis is the most commonest predisposing factor for this condition. The maggots can cause extensive erosion of the nose, face and intra-cranial structures occasionally causing meningitis and death. Conservative management by packing the nose with a chloroform and turpentine (1:4) mixture followed by manual removal of the dead maggots is an effective method. Recurrence is known but partial closure of both nostrils to improve the condition of nasal mucosa is the important part of management.

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Sharma, A., C. Philpott, L. Pope, and D. McKiernan. "Methicillin resistant Staphylococcus aureus: is it a problem for nasal surgery?" Journal of Laryngology & Otology 121, no. 5 (October 11, 2006): 415–18. http://dx.doi.org/10.1017/s0022215106002763.

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Methicillin resistant Staphylococcus aureus (MRSA) is becoming ever more prevalent in the UK, and the proportion of MRSA to methicillin sensitive Staphylococcus aureus (MSSA) seems to be increasing. New strains of MRSA are ever developing resistance to antibiotic treatment, increasing morbidity and mortality of infection.Staphylococcus aureus is part of the normal flora of the nose, and MRSA colonizes the nose in infection. However, nasal surgery is rarely complicated by staphylococcal infections, and MRSA infection following nasal surgery is rare.The authors present a literature review of MRSA infection, its relation to the nasal cavity, and infection following nasal surgery.

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