3,443 research outputs found
Does screening or surveillance for primary hepatocellular carcinoma with ultrasonography improve the prognosis of patients?
No full textLight-time effect in two eclipsing binaries: NO Vul and EW Lyr
Full text link32nd International Physics Congress of Turkish-Physical-Society (TPS) -- SEP 06-09, 2016 -- Bodrum, TURKEYIn this study, orbital period variations of two eclipsing binary systems (NO Vul and EW Lyr) were discussed. Possible light time effects due to third bodies in these systems were re-examined. The mass function and orbital period of hypothetical third bodies were calculated to be 0.000627 +/- 1.000003 M-circle dot, 26.17 +/- 0.05 years and 0.12682 +/- 0.00003 M-circle dot, 77.23 +/- 0.72 years for NO Vul and EW Lyr, respectively.Turkish Phys So
Exact analytical solutions of the fractional biological population model, fractional EW and modified EW equations
No full textIn this paper, exact analytical solutions of the biological population model, the EW and the modified EW equations with a conformable derivative operator have been examined by means of the trial solution algorithm and the complete discrimination system. Dark, bright and singular traveling wave solutions of the equations have been obtained by algorithm. Also, revealed singular periodic solutions have been listed. All solutions were verified by substituting them into their corresponding equation via Mathematica package program. © 2021 Balikesir University. All rights reserved.The author would like to thank to Ege University, Scientific Research Project (BAP) for the support on the Project 17-TKMYO-002
Decision-Making of Electronic Commerce Supply Chain considering EW Service
No full textWith the rapid development of the network economy, it is a marketing strategy to provide an extended warranty (EW) service. Considering the differences in the EW service providers and dominant enterprises, this paper proposes four kinds of decision-making models and aims to study decisions of the electronic commerce supply chain, including EW price, sales price, and service level of e-platform. Through comparative analysis and numerical analysis, this research shows that, among four decision-making models, the highest system profit can be achieved when the seller provides the EW service and the e-platform dominates the system. For electronic commerce supply chain enterprises, whether to dominate the system or to provide EW service, it is conducive to the increase of profits. When the e-platform provides the EW service, the conclusion is that who dominates the system is the one who gets more profit. However, when the seller provides the EW service, the conclusion is that who dominates the system is the one who gets less profit. When the EW service is offered by the dominating enterprise, service levels of the e-platform are lower
Dataset references for EW-MFA study on Jura canton
No full textSources for datasets used for EW-MFA project on Jura canton. If a data source is confidential or doesn't have a link, please contact the author
The tumble mode - where test pilots fear to tread
Full text linkFollowing a fatal accident in 1997 and identification of common patterns in several (usually fatal) previous accidents the AAIB (United Kingdom Air Accidents Investigation Branch) asked the BMAA (British Microlight Aircraft Association) to pursue a course of investigation into the tumble mode, which had been attributed as the primary cause of that fatal accident.
The tumble mode is a peculiarity of weightshift controlled aircraft - that is flexwing microlights and hang-gliders. It is a departure from controlled flight leading to a nose-down pitch autorotation: pitch rates of 400°/s are known. When a tumble occurs in a microlight aeroplane, it is rare for the crew to survive and loss of the aircraft is universal
Tanami EW 5N - ground elevation geoid grid (radar)
No full textMaintenance and Update Frequency: notPlannedStatement: This Tanami EW 5N - ground elevation geoid grid (radar) is elevation data for the NTGS Tanami EW 5N Region Detailed Airborne Magnetic Radiometric and Digital Elevation Survey, NT, 2018 acquired under the project No. 1312 for the geological survey of NT. The grid has a cell size of 0.00018 degrees (approximately 20m). This grid contains the ground elevation values relative to the geoid for the NTGS Tanami EW 5N Region Detailed Airborne Magnetic Radiometric and Digital Elevation Survey, NT, 2018. It represents the vertical distance from a location on the Earth's surface to the geoid. The data are given in units of meters. The processed data are checked by GA geophysicists using standard methods for assessing quality to ensure that the final data are fit-for-purpose.Digital Elevation data record the terrain height variations from the processed point- or line-located data recorded during a geophysical survey. This Tanami EW 5N - ground elevation geoid grid (radar) is elevation data for the NTGS Tanami EW 5N Region Detailed Airborne Magnetic Radiometric and Digital Elevation Survey, NT, 2018. This survey was acquired under the project No. 1312 for the geological survey of NT. The grid has a cell size of 0.00018 degrees (approximately 20m). This grid contains the ground elevation relative to the geoid for the NTGS Tanami EW 5N Region Detailed Airborne Magnetic Radiometric and Digital Elevation Survey, NT, 2018. It represents the vertical distance from a location on the Earth's surface to the geoid. The data are given in units of meters. The processed data is checked for quality by GA geophysicists to ensure that the final data released by GA are fit-for-purpose
Scymnus (Parapullus) tsugae Yu and Yao
No full text4. Scymnus (Parapullus) tsugae Yu and Yao (Figs. 13, 33– 37) Scymnus (Parapullus) tsugae Yu et Yao, 2000: 168; Pang et al., 2004: 82; Kovář, 2007: 584. Diagnosis. This species closely resembles S. (P.) alishanensis in general appearance, but can be distinguished from it by the penis. The tegmens are also diagnostic. Description. TL: 2.40–2.48 mm, TW: 1.35–1.43 mm, TH: 1.05–1.10 mm, TL/TW: 1.73–1.78, PL/PW: 0.48– 0.54, EL/EW: 1.22–1.43. Body oval, moderately convex, dorsum surface with fine, white pubescence (Fig. 13). Head, antennae and mouthparts yellowish brown. Pronotum, scutellum and elytra reddish brown. Underside fuscous except metaventrite reddish brown. Head small, 0.58 × of pronotal width (HW/PW= 0.70 / 1.20). Punctures on head densely and evenly, separated by 1–2 diameters, with white pubescence. Eyes small, the widest interocular distance 0.43 × of head width. Pronotum 0.88 × of elytral width (PW/EW= 1.20 / 1.35), pronotal punctures fine and larger than those on head, 1–2 diameters apart. Surface of elytra with densely punctures, separated by 1–2.5 diameters. Prosternal carinae extending to anterior margin, slightly convergent anteriorly. Prosternal process trapezoid, length 4.5 times of width at the base. Abdominal postcoxal lines incomplete, slightly recurved toward the base of ventrite (Fig. 33). Area surrounded by the line evenly punctured, relatively smooth along the line. Male genitalia: Penis slender, with a developed penis capsule (Fig. 34), apex of penis simple (Fig. 35). Tegmen stout, penis guide slightly constricted near middle and converging gradually to a pointed tip in ventral view (Fig. 37). Parameres broad, distinctly shorter than penis guide, apex with two groups long and uniform setae (Fig. 36). Female genitalia unknown. Types. Holotype male, (26.8 N, 100.2 E), Lijiang, Yunnan, IV. 1996, Guoyue Yu Leg / No. 970722 - 3 / Scymnus (Parapullus) tsugae Yu & Yao, sp. n. (red label). Paratype: 1 male with same data as holotype. / No. 10 / Scymnus (Parapullus) tsugae Yu & Yao, sp. n. (yellow label) Distribution. China (Yunnan).Published as part of Chen, Xiao-Sheng, Ren, Shun-Xiang & Wang, Xing-Min, 2012, Revision of the subgenus Scymnus (Parapullus) Yang from China (Coleoptera: Coccinellidae), pp. 22-34 in Zootaxa 3174 on page 29, DOI: 10.5281/zenodo.27989
Research on Combat Effectiveness Evaluation of Radar EW System Based on Bayesian Network
No full textRadar EW system combat effectiveness evaluation is a essential link to Radar system Demonstration, mainly give service to selection, optimization and key factors analysis of Weapon equipment scheme. In this paper, we introduce the Bayesian network model into the area of Radar EW system combat effectiveness evaluation and put forward the concept of combat effectiveness evaluation model based on Bayesian network. The ability to express complex relationship, the ability to express the uncertainty of probability, and the reasoning functions. By learning from Expertise and Simulation data, excavating the hidden knowledge included in both of them, we can build the combat efficiency Analysis model, and then carry out efficient analysis.</jats:p
Scymnus (Parapullus) alishanensis Pang and Yu
No full text3. Scymnus (Parapullus) alishanensis Pang and Yu (Figs. 12, 28– 32) Scymnus (Parapullus) alishanensis Pang et Yu, 1993: 230; Yu et al., 2000: 168; Pang et al., 2004: 82; Kovář, 2007: 584; Ren et al., 2009: 68. Diagnosis. This species is similar to S. (P.) tsugae in general appearance and male genitalia, but can be distinguished from it by the dilated of the pre-apex of penis. The shape of the parameres and penis guide is diagnostic. Description. TL: 2.40 mm, TW: 1.65 mm, TH: 1.10 mm, TL/TW: 1.45, PL/PW: 0.48, EL/EW: 1.12. Body oval, moderately convex, dorsum surface with fine, pale yellowish pubescence (Fig. 12). Head and antennae yellowish brown. Pronotum, scutellum and elytra reddish brown. Underside yellowish brown except metaventrite reddish brown. Head small, 0.65 × of pronotal width (HW/PW= 0.75 / 1.15). Punctures on head finer than eye facets, separated by 1–2 diameters, with white pubescence. Eyes small, the widest interocular distance 0.47 × of head width. Pronotum 0.70 × of elytral width (PW/EW= 1.15 / 1.65), pronotal punctures larger than those on head, 1–1.5 diameters apart. Surface of elytra with densely punctures, separated by 1–2.5 diameters. Prosternal carinae extending to anterior margin, slightly convergent anteriorly. Prosternal process trapezoid, length 5.0 times of width at the base. Abdominal postcoxal lines incomplete, slightly recurved toward the base of ventrite (Fig. 28). Area surrounded by the line evenly and sparsely punctured, relatively narrowly smooth along the line. Male genitalia: Penis stout, with a developed penis capsule (Fig. 29), apex of penis forming a large hook (Fig. 30). Tegmen stout, penis guide slightly constricted near middle and converging gradually to a pointed tip in ventral view (Fig. 32). Parameres relatively broad, oblong, distinctly shorter than penis guide, apex with two groups long and uniform setae (Fig. 31). Female not examined. Type. Paratype: 1 male, Alishan, Taiwan, 2400m, 10. VI. 1977, J. Klapperich Leg / Paratype (yellow label), 910520 - 1 (hand writing) / Scymnus (Parapullus) alishanensis Pang et Yu (hand writing). Distribution. China (Taiwan).Published as part of Chen, Xiao-Sheng, Ren, Shun-Xiang & Wang, Xing-Min, 2012, Revision of the subgenus Scymnus (Parapullus) Yang from China (Coleoptera: Coccinellidae), pp. 22-34 in Zootaxa 3174 on pages 26-29, DOI: 10.5281/zenodo.27989
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