1,361,489 research outputs found
A study of flame-vortex interactions in the presence of residual gases
No full textIn this work the effects of residual combustion products from a prior injection on flame extinction characteristics in a Diesel fuel pulse are investigated through a fundamental study. A numerical code with sixth-order accurate spatial discretization and multiple-step chemical kinetics is used to simulate flame-vortex interactions under Diesel conditions in the presence of residual combustion product mixtures. The results indicate that there is a balance between the heating effect of the high-temperature combustion products that enhance flame stability and the dilution effect of the reduced oxygen concentration, which promotes extinction. These counteracting aspects of the entrained combustion products can lead to an ideal dwell time between multiple injection events for optimum benefits in flame stability.Jonathan W. Anders, Rishikesh Venugopal, Vinicio Magi, and John Abraha
Spatial pattern of nerve differentiation in Hydra is due to a pattern of nerve commitment
No full textThe pattern of nerve differentiation along the body column of Hydra was investigated. Nerve precursors in late S phase were labeled with [3H]thymidine and their distribution compared with that of newly differentiated nerves. The two distributions were found to be the same. Based on independent evidence that nerve commitment occurs in mid-to late S phase (G. Venugopal and C. David, 1981, Develop. Biol.83, 361–365) it was concluded that the pattern of nerve differentiation along the body column of Hydra is due to differences in nerve commitment in different body regions. Furthermore, the level of nerve commitment in head and foot tissue is sufficiently high to deplete stem cells in these regions as is observed
Use of vacuum-formed retainer for extrusion of a grossly decayed tooth using auxiliaries
No full textIntroduction: Vacuum-formed retainers are one of the most used retainers because of their esthetic advantage, ease of fabrication as well as the low fabrication cost. While aligners are usually associated with improved esthetics the extended period required to obtain these is one of the reasons the present modification was introduced to achieve the desired tooth movement with patient cooperation. Patient Diagnosis: The patient aged 35 years old came with a missing clinical crown and pain in relation to tooth 11 and was advised to receive re-endodontic treatment. The main finding on intra-oral examination was that the patient’s incisor root was submerged below the gingiva. Clinical innovation: The present innovation describes the use of a vacuum-formed retainer for carrying out movement of a grossly decayed tooth with no clinical crown. While clear retainers are meant for retention their durability can be used as an added advantage for carrying out specific movements with the aid of auxiliary attachments. The main benefits of this innovation were in terms of the time to initiate treatment and cost reduction. Discussion: This appliance is extremely easy to fabricate and does not require extensive scans and treatment planning especially in case of a patient that does not desire a lengthy treatment. Aligners are cost-effective but only when produced in-house which is why clear retainers with auxiliary attachments can be used as a low-cost option when only minor tooth movements are required
Dataset supporting journal article "Continuous space-time crystal state driven by nonreciprocal optical forces"
No full textThis dataset supports the publication: Continuous Space-Time Crystal State Driven by Nonreciprocal Optical Forces by Venugopal Raskatla, Tongjun Liu, Jinxiang Li, Kevin F. MacDonald, and Nikolay I. Zheludev
in JOURNAL: Physical Review Letters
This file contains a representative set of oscillator positional time-series data, from which spectral density and order parameters (Figs. 3 and 4) are derived.
The project was sponsored by:
Next Generation Metrology Driven by Nanophotonics
EPSRC EP/T02643X/1
Dataset available under a CC BY 4.0 licence</span
Dataset supporting journal article "Time translation symmetry, ergodicity, and entropy dynamics in a time crystal driven by optical interaction forces"
No full textThis dataset supports the publication: Time Translation Symmetry, Ergodicity, and Entropy Dynamics in a Time Crystal Driven by Optical Interaction Forces by Tongjun Liu, Venugopal Raskatla, Jinxiang Li, Kevin F. MacDonald, and Nikolay I. Zheludev in JOURNAL: Newton
The file contains time series transmissivity data from which Figures 2 and 3 are derived.
The project was sponsored by:
The Future Advanced Metrology Hub for Sustainable Manufacturing
EPSRC EP/Z53285X/1
Next Generation Metrology Driven by Nanophotonics
EP/T02643X/1
Dataset available under a CC BY 4.0 licence</span
Delamination suppression in graphite/epoxy composites via efficient use of film adhesive layers
No full textThesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1990.Includes bibliographical references (leaves 183-188).by Narendra Venugopal Bhat.M.S
Delamination growth in graphite/epoxy composite laminates under tensile loading
No full textThesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1994.Includes bibliographical references (leaves 285-294).by Narendra Venugopal Bhat.Ph.D
Entrepreneurial marketing in subsistence marketplaces
No full textThere are more than a billion poverty-stricken entrepreneurs in the world who run micro-enterprises to meet basic consumption needs. This pervasive phenomenon presents an interesting theoretical conundrum - that of consumer-entrepreneur duality. This duality blurs the boundaries between consumption and entrepreneurship, which have traditionally been distinct domains of scholarly inquiry. The research reported in this dissertation aims to a) provide a theoretical foundation for the notion of consumer-entrepreneur duality and b) test the implications of the aforementioned duality empirically. A key insight flowing from the investigations is that factors in the consumption domain impact important outcomes in the entrepreneurial domain and vice versa.Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2018-05-01The student, Srinivas Venugopal, accepted the attached license on 2016-04-18 at 08:47.The student, Srinivas Venugopal, submitted this Dissertation for approval on 2016-04-18 at 09:04.This Dissertation was approved for publication on 2016-04-19 at 08:14.DSpace SAF Submission Ingestion Package generated from Vireo submission #9286 on 2016-07-07 at 14:17:05Made available in DSpace on 2016-07-07T21:17:37Z (GMT). No. of bitstreams: 4
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Previous issue date: 2016-04-19Embargo set by: Seth Robbins for item 93274
Lift date: 2018-07-07T21:18:16Z
Reason: Author requested closed access (OA after 2yrs) in Vireo ETD systemLimited Restriction Lifted for Item 93274 on 2018-07-08T09:15:20Z
Pheropsophus indicus Venugopal & Thomas 2019, sp. nov.
No full text<i>Pheropsophus indicus</i> sp. nov. <p>(Fig. 4 B, 5 B)</p> <p> <b>Specimens examined (n=2)</b>: Holotype, labelled “ Male, India: Kerala: Palakkad (10.806420°N, 76.690174°E), Hand Picking (Wet Paddy field), 26.XI.2017, coll. M. Divya ”; Paratype, male, India: Karnataka, 2013, coll. A. Anichtchenko.</p> <p> <b>Description.</b> TLA: 15.8 mm; TW: 6.6 mm</p> <p> <b>Colour:</b> Black head, pronotum and elytra. Black spot on head wide, widest towards pronotum, broad ‘M’ shaped black spot on vertex of head with a narrow extension up to the clypeus; clypeus and labrum black; epistome, margin around the eyes, reddish yellow; maxillary and labial palpi, reddish brown; eyes grey; first four antennal segments light reddish yellow, segments 2–4 with reddish brown ring on the apical portion, segments 5–11 reddish brown; scutellum black; humeral spot pale reddish yellow; legs with coxa, trochanter, femur, tibiae and 1 st segment of tarsi, reddish yellow; rest of the tarsal segments reddish brown; claws dark brown; apex of femur with wide black spot; underside of head reddish yellow, gula well-marked with reddish brown gular suture; prothorax including the prosternum black; mesosternum black; metasternum anterior half reddish yellow and posterior half black; metepisternum black.</p> <p> <b>Head:</b> Stout, smooth, glabrous, shiny, neck wrinkled; eyes protruding, with one supraorbital setae in the mid region above eye; antennae long, reaching the middle of elytra.</p> <p> <b>Pronotum:</b> Wider than long, smooth, glabrous except for a group of minute seta lining the apical margin; basal and apical margins straight, corners of apical and basal margin rounded, anterior 3/4 th of the lateral margin convex, posterior 1/4 th straight; deep median furrow; lateral bead narrow.</p> <p> <b>Elytra:</b> Subparallel, widest in the middle; humerus pronounced, rounded, humeral spot large; narrow median transverse band extending between 3 rd and 8 th stria, with strongly serrated edges, rounded and pointed towards suture; apical band narrow, reddish yellow, extending along the apical portion of stria; striations narrow, intervals wide, flat, glabrous.</p> <p> <b>Male Genitalia</b>: Median lobe slender compared to <i>P.devagiriensis</i> <b>sp. nov.</b>; highly arcuate, apex pointed.</p> <p> <b>Measurements</b>: <b>Holotype Male</b>, TLA= 16.16 mm; TLB= 15.84 mm; TW= 6.64 mm; PL = 3.28 mm; PW = 3.44 mm; EL = 9.52 mm.</p> <p> <b>Type Material</b>: 1 ex. Holotype, male, India: Kerala: Palakkad (10.806420°N, 76.690174°E), Hand Picking (wet paddy field), 26.XI.2017, coll. M. Divya, deposited at ZSIC.</p> <p>Paratype, male, India: Karnataka, 2013, coll. A. Anichtchenko.</p> <p> <b>Geographical distribution.</b> INDIA: Kerala: Palakkad; Karnataka</p> <p> <b>Collecting Circumstances</b>: Handpicked from a paddy field of Palakkad (India: Kerala), a region belonging to the Palakkad gap.</p> <p> <b>Etymology</b>: Named after ‘India’.</p> <p> <b>Remarks.</b> <i>Pheropsophus indicus</i> <b>sp. nov.</b> is similar to <i>P. occipitalis</i>, but differs in having broad ‘M’ shaped black spot on head, entirely black pronotum with straight apical and basal margins, broad elytra and narrow elytral median transverse band.</p>Published as part of <i>Venugopal, Akhil S. & Thomas, Sabu K., 2019, Bombardier beetles of the genus Pheropsophus Solier 1833 (Carabidae: Brachininae: Brachinini) from Indian subcontinent, pp. 65-89 in Zootaxa 4608 (1)</i> on page 86, DOI: 10.11646/zootaxa.4608.1.3, <a href="http://zenodo.org/record/3993611">http://zenodo.org/record/3993611</a>
Where do Patients go After Discharge? A Look into Rehabilitation and Function
No full textWhere do Patients go After Discharge? A Look into Rehabilitation and Function. Dr. Maneesh Bisen; Dr. Venugopal Mudgundi
Objectives: Identify rehabilitation settings in post-acute care continuum Discuss the importance of early discharge planning Practice obtaining a thorough functional history Contribute more effectively to the multi-disciplinary discharge planning process for patients going to facilitie
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