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Journal articles on the topic 'Male strippers'
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1
Tewksbury, Richard. "A Dramaturgical Analysis of Male Strippers." Journal of Men's Studies 2, no. 4 (May 1, 1994): 325–42. http://dx.doi.org/10.3149/jms.0204.325.
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T. Scull, Maren. "Male Strippers and the Toll of Exotic Dance." Humanity & Society 44, no. 3 (June 19, 2020): 268–97. http://dx.doi.org/10.1177/0160597620930928.
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While researchers have looked at the impact stripping has for female exotic dancers, very little attention has been given to the consequences the profession has for male strippers. In this research, I draw from 22 in-depth interviews with male exotic dancers and 18 months of fieldwork at a strip club to examine the extent to which male strippers experience “the toll” of exotic dance. Specifically, I focus on dancers’ interactions with customers, their experiences with stigmas, the impact stripping has on their romantic relationships, how they negotiate boundaries with patrons, and the consequences stripping has for their self-esteem. Overall, I found that patriarchal privilege and the sexual double standard significantly mitigated the toll of the profession.
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Clark, Rebecca. "Male Strippers: Ladies' Night at the Meat Market." Journal of Popular Culture 19, no. 1 (June 1985): 51–56. http://dx.doi.org/10.1111/j.0022-3840.1985.00051.x.
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Laguna Maqueda, Oscar E. "The male body politic: Straight strippers, gay spaces, and queer masculinities." Sexuality, Gender & Policy 3, no. 1 (April 28, 2020): 23–35. http://dx.doi.org/10.1002/sgp2.12015.
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Scull, Maren T. "Managing Identity in a Dirty Occupation: Male Strippers Experiences with Social Stigmas." Sociological Spectrum 37, no. 6 (November 2, 2017): 390–411. http://dx.doi.org/10.1080/02732173.2017.1365030.
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Bhanage, Girishkumar Balasaheb, P. U. Shahare, V. V. Aware, K. G. Dhandeand, and P. S. Deshmukh. "Development of stripper harvester for paddy." Journal of Applied and Natural Science 9, no. 4 (December 1, 2017): 1943–48. http://dx.doi.org/10.31018/jans.v9i4.1469.
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Konkan is the coastal part of Maharashtra between Western Ghat and Arabian seacoast. Rice is a major crop grown over 3.86 lakh hectares. Stripper harvesting technology, which strips only seeds and keeps straw erect-ed in the field present bright prospect for the development of small, light, efficient mechanism by reducing number of operation with increased capacity and lesser power compared to conventional cutter bar combine harvester. The big machines like combine harvester and high capacity threshers for harvesting and threshing have limitations. A proto-type of paddy stripper harvester was developed considering the limitation of Konkan like small, fragmented land, hilly, terrace farming and high rainfall. It consisted of stripping mechanism, grain tank, hydraulic system, steering system, gear box, engine, cage wheel and chassis. The arrangement of V-belt and set of pulleys were made to transmit power from gear box to stripper rotor. The effect of forward speed and peripheral speed on shattered and un-stripped grain loss was studied. The shattered grain loss was decreased with increase in forward speed whereas decreased initially and then increased with increase in peripheral speed. The un-stripped grain loss was decreased with increase in forward and peripheral speed. The performance of the developed prototype was found better at forward speed of 2.25 km/h and peripheral speed of 19.78 m/s. During final testing of prototype, shattered and un-stripped grain loss was found 5.95 and 1.89 %, respectively. The average field capacity and field efficiency of paddy stripper harvester machine was found 0.14 ha/h and 69.38 per cent respectively.
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Alqodri, Fathir, Ruzita Sumiati, Rakiman Rakiman, Yuli Yetri, and Desmarita Leni. "Modifikasi Mesin Pengupas Kulit Pinang Kering." Jurnal Teknik Mesin 14, no. 2 (December 24, 2021): 59–63. http://dx.doi.org/10.30630/jtm.14.2.559.
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Due to the weaknesses of some existing areca peelers, some modifications were made. Modifications were made to the gear stripper, the addition of the inlet funnel, the gear stripper cover, and the exit funnel. The purpose of this modification of the design of the areca nut peeling machine is to make it easier for areca-producing farmers to peel their skin. Engine design specifications, using a 1/2 HP motor with a speed of 1500 rpm, 2-inch, and 10-inch pulleys, and a capacity of 5.16 kg/hour. The result of this modification is stated to be able to perform stripping with a large capacity. This machine is expected to be able to meet the needs of manual areca nut peelers to increase productivity.
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Herman, J., M. Lovecek, M. Duda, and I. Svach. "A Rare Complication of Varicose Vein Surgery." Phlebology: The Journal of Venous Disease 15, no. 1 (March 2000): 43–45. http://dx.doi.org/10.1177/026835550001500108.
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Design: Case report. Setting: University Hospital in the Czech Republic. Patients: Patient undergoing surgery for primary varicose veins. Interventions: The patient underwent attempted long saphenous vein stripping by passing a flexible stripper from ankle to groin. The stripper fractured at its upper end and a fragment of stripper became lodged in the internal iliac vein in the pelvis. This was removed at laparotomy. The patient made an uncomplicated recovery. Conclusion: Major complications of varicose vein surgery are rare. This unusual problem was probably caused by material fatigue in the stripper, leading to fracture near the upper end of the stripper.
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Lee, Sang Hoon. "Fatigue Analysis of Stripper Bolt Under Combined Loading for Improvement of Stamping Die Design." Journal of Vibration and Acoustics 108, no. 2 (April 1, 1986): 222–29. http://dx.doi.org/10.1115/1.3269328.
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A common problem of fatigue failure of stamping dies was experienced during the stamping operation with socket-head screws. In order to establish a design standard for the stripper bolt, a methodology for determination of the loads and the fatigue strength of the stripper bolt was developed. Stresses due to an impulsive load and a rectangular pulse were calculated based on a simplified spring mass system and the appropriate corrections were made to elaborate the solution. This approximate solution was validated by a finite element analysis. The stripper bolt should have an infinite fatigue life to survive a half million stamping operations. The fatigue problem involves a stress concentration with combined mean and alternating stresses. The Gerber parabola and the residual stress method were employed to treat the combined loading and the stress concentration. In order to enhance the fatigue life of the stripper bolt, a cushion is introduced at the surface where an impact load is applied. The cushion is found very effective in improving the fatigue life of the stripper bolt. An interactive computer program was developed as a tool for designing stamping dies.
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He, Ming, Yijun Pang, Yiwen Bao, Kangning Li, Shan Jiang, Qubo You, Shengyong Su, Yueming Hu, Qingzhang Zhao, and Xiaoming Wang. "Performance of Home-Made Single-Stage 14C AMS System at CIAE." Radiocarbon 61, no. 5 (April 12, 2019): 1511–16. http://dx.doi.org/10.1017/rdc.2019.17.
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ABSTRACTThe second home-made single stage accelerator mass spectrometer (SSAMS) system dedicated to radiocarbon (14C) measurements was built after the first SSAMS system was moved to Guangxi Normal University. With some improvements to the second SSAMS system, the performance has been improved. With the conditions of total ion energy of 200KeV, ions charge states of 1+ and helium as stripper gas, 14C measurements with precision of 0.5% and a background level of 0.5 pMC were achieved. Details of the system and the experimental performance are given here.
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Haberstock, Günther, Johann Heinzl, Gunther Korschinek, Haruhiko Morinaga, Eckehart Nolte, Ulrich Ratzinger, Kazuo Kato, and Manfred Wolf. "Accelerator Mass Spectrometry with Fully Stripped 36Cl Ions." Radiocarbon 28, no. 2A (1986): 204–10. http://dx.doi.org/10.1017/s0033822200007281.
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A description of accelerator mass spectrometry (AMS) measurements with the long-lived radioisotope 36Cl is given. All measurements were made at the Munich tandem accelerator laboratory. Results are presented for 36Cl measurements in ground waters, in the meteorite Bjurböle, in ice-core samples of the Vernagtferner, Austria, and in granite samples from Hiroshima, Japan, irradiated by the atomic bomb explosion in 1945.
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Krasznai, A. G., E. C. M. Bollen, J. C. van der Kley, R. J. Th J. Welten, and G. M. J. M. Welten. "Short stripping of the incompetent great saphenous vein by InvisiGrip® vein stripper." Phlebologie 39, no. 02 (2010): 77–81. http://dx.doi.org/10.1055/s-0037-1622295.
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SummaryOur aim is to describe the results of a new short stripping technique for the treatment of the incompetent great saphenous vein (GSV) using a new developed surgical device. Patients, methods: 397 patients (498 legs) were treated with the InvisiGrip® Vein Stripper, which removes the GSV through a single groin incision, endovascular cutting and antegrade stripping by inversion. We reported the surgical success rate and postprocedural complications. Results: The mean age was 51 years, 74% were women. The success rate for removal of the GSV was 95%. The 23 failures were half patient related, half device related. In 82% of the strippings, one or two attempts were needed to successfully remove the GSV, which was done by invagination in 80%. Age, gender, BMI ≥30 kg/m2 and male GSV diameter were not associated with the number of attempts. Superficial wound infection, haematoma and temporary saphenous and femoral nerve injury occurred in 6 (1.6%), 0, 3 (0.8%) and 7 (1.9%) patients, respectively. Conclusion: The InvisiGrip® is highly successful for the removal of the GSV using short inverting stripping. Furthermore, it is simple, safe, associated with good cosmetic results and no preoperative selection of patients is necessary.
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Dudek, Agata, Katarzyna Strzelczak, and Barbara Lisiecka. "Surface properties in S500MC steel with zinc coating." MATEC Web of Conferences 183 (2018): 02006. http://dx.doi.org/10.1051/matecconf/201818302006.
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Zinc metal has a number of characteristics that make it a wellsuited corrosion protective coating for iron and steel products. Due to the zinc’s corrosion resistance on most environments, it provides an effective protective coating on many products and in many exposure conditions. Zinc, like all metals, corrodes when exposed to the atmosphere. However, because of its ability to form dense, adherent corrosion byproducts, the rate of corrosion is considerably lower than ferrous materials (10 to 100 times slower depending on the environment). In this study, a comparison of two series of specimens of alkaline electrochemical galvanizing steel S500MC (HSLA) was made. One series of samples was not stripped of the oxide layer from the substrate. The analysis was made using optical microscopy, electron scanning microscopy and X-ray diffraction.
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Byrne, Sakura. "Stripped: Experiences of women working in the exotic dancing industry." Psychology of Sexualities Review 1, no. 1 (2010): 43–58. http://dx.doi.org/10.53841/bpssex.2010.1.1.43.
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The current discourse-analytic study sought to explore the experiences of women working in the exotic dancing industry from a non-pathological, non-deviant perspective, focusing on venues with a predominantly heterosexual/bi male clientele. Three main interpretative repertoires emerged from the data: dominant discourses/resistance, empowerment/disempowerment and embodiment/disembodiment. These repertoires highlighted three key tensions found within the women’s narratives which demonstrated that dancers oscillated between subject and object positions throughout their experiences. This study proposes that dancers’ experiences can be seen as a magnified version of the positions and tensions that women in patriarchal society experience, meaning that the study of exotic dancers’ experiences may enable us to see how the subjugation of women and female sexuality continues to operate in today’s society and, by highlighting this continued subjugation, may open a space for resistance.
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Qiu, Li Jun, and Su Ying Xu. "Research on the Tire Rope Lift-Off Process." Applied Mechanics and Materials 713-715 (January 2015): 122–25. http://dx.doi.org/10.4028/www.scientific.net/amm.713-715.122.
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Tire crushing body is divided for the purpose of separating the wire. Wheels of Steel Shares will be made by a single, Stripping the wire and colloidal by roll extrusion. The tread belt layer composed of steel wire rope is made. Peel method using a roll extrusion method can not. It is after stripping tread peeling rope belt layer to peel. Tread was cut into strips at first, then stripped from steel tread belt layer surface,.With a layered approach to rope belt layer stripped from the carcass . You can use sliced or milling method to release the rope. Sliced on the rope can form a sheet body peeling. Milling peeling green tape layer is formed on the wire cutting and tearing. Dividing the body on the fixed milling peeling easier.
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Schneider, F. R. N., Ph Podsiadlowski, and B. Müller. "Pre-supernova evolution, compact-object masses, and explosion properties of stripped binary stars." Astronomy & Astrophysics 645 (December 21, 2020): A5. http://dx.doi.org/10.1051/0004-6361/202039219.
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The era of large transient surveys, gravitational-wave observatories, and multi-messenger astronomy has opened up new possibilities for our understanding of the evolution and final fate of massive stars. Most massive stars are born in binary or higher-order multiple systems and exchange mass with a companion star during their lives. In particular, the progenitors of a large fraction of compact-object mergers, and Galactic neutron stars (NSs) and black holes (BHs) have been stripped of their envelopes by a binary companion. Here, we study the evolution of single and stripped binary stars up to core collapse with the stellar evolution code MESA and their final fates with a parametric supernova (SN) model. We find that stripped binary stars can have systematically different pre-SN structures compared to genuine single stars and thus also different SN outcomes. These differences are already established by the end of core helium burning and are preserved up to core collapse. Consequently, we find that Case A and B stripped stars and single and Case C stripped stars develop qualitatively similar pre-SN core structures. We find a non-monotonic pattern of NS and BH formation as a function of CO core mass that is different in single and stripped binary stars. In terms of initial mass, single stars of ≳35 M⊙ all form BHs, while this transition is only at about 70 M⊙ in stripped stars. On average, stripped stars give rise to lower NS and BH masses, higher explosion energies, higher kick velocities, and higher nickel yields. Within a simplified population-synthesis model, we show that our results lead to a significant reduction in the rates of BH–NS and BH–BH mergers with respect to typical assumptions made on NS and BH formation. Therefore, our models predict lower detection rates of such merger events with for example the advanced Laser Interferometer Gravitational-Wave Observatory (LIGO) than is often considered. Further, we show how certain features in the NS–BH mass distribution of single and stripped stars relate to the chirp-mass distribution of compact object mergers. Further implications of our findings are discussed with respect to the missing red-supergiant problem, a possible mass gap between NSs and BHs, X-ray binaries, and observationally inferred nickel masses from Type Ib/c and IIP SNe.
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Götberg, Y., S. E. de Mink, J. H. Groh, T. Kupfer, P. A. Crowther, E. Zapartas, and M. Renzo. "Spectral models for binary products: Unifying subdwarfs and Wolf-Rayet stars as a sequence of stripped-envelope stars." Astronomy & Astrophysics 615 (July 2018): A78. http://dx.doi.org/10.1051/0004-6361/201732274.
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Stars stripped of their hydrogen-rich envelope through interaction with a binary companion are generally not considered when accounting for ionizing radiation from stellar populations, despite the expectation that stripped stars emit hard ionizing radiation, form frequently, and live 10–100 times longer than single massive stars. We compute the first grid of evolutionary and spectral models specially made for stars stripped in binaries for a range of progenitor masses (2–20 M⊙) and metallicities ranging from solar to values representative for pop II stars. For stripped stars with masses in the range 0.3–7 M⊙, we find consistently high effective temperatures (20 000–100 000 K, increasing with mass), small radii (0.2–1 R⊙), and high bolometric luminosities, comparable to that of their progenitor before stripping. The spectra show a continuous sequence that naturally bridges subdwarf-type stars at the low-mass end and Wolf-Rayet-like spectra at the high-mass end. For intermediate masses we find hybrid spectral classes showing a mixture of absorption and emission lines. These appear for stars with mass-loss rates of 10−8−10−6 M⊙ yr−1, which have semi-transparent atmospheres. At low metallicity, substantial hydrogen-rich layers are left at the surface and we predict spectra that resemble O-type stars instead. We obtain spectra undistinguishable from subdwarfs for stripped stars with masses up to 1.7 M⊙, which questions whether the widely adopted canonical value of 0.47 M⊙ is uniformly valid. Only a handful of stripped stars of intermediate mass have currently been identified observationally. Increasing this sample will provide necessary tests for the physics of interaction, internal mixing, and stellar winds. We use our model spectra to investigate the feasibility to detect stripped stars next to an optically bright companion and recommend systematic searches for their UV excess and possible emission lines, most notably HeII λ4686 in the optical and HeII λ1640 in the UV. Our models are publicly available for further investigations or inclusion in spectral synthesis simulations.
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Sugai, I., Y. Takeda, M. Oyaizu, H. Kawakami, Y. Hattori, K. Kawasaki, and N. Hayashizaki. "Test preparation and lifetime measurement of very thin carbon stripper foils made by a controlled DC arc-discharge method." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 480, no. 1 (March 2002): 191–93. http://dx.doi.org/10.1016/s0168-9002(01)02090-3.
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Cawood, Marion L., Helen P. Field, Clive G. Ford, Scott Gillingwater, Andrew Kicman, David Cowan, and Julian H. Barth. "Testosterone Measurement by Isotope-Dilution Liquid Chromatography–Tandem Mass Spectrometry: Validation of a Method for Routine Clinical Practice." Clinical Chemistry 51, no. 8 (August 1, 2005): 1472–79. http://dx.doi.org/10.1373/clinchem.2004.044503.
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Abstract Background: Immunoassay is unsatisfactory for measuring the testosterone concentrations typically found in women. Bench-top tandem mass spectrometers are a viable alternative technology for measurements in the clinical laboratory. Methods: We used stable-isotope dilution liquid chromatography–tandem mass spectrometry (ID/LC-MS/MS) to measure testosterone in plasma and serum. The sample volume was 50 μL in duplicate; preparation and analysis were carried out in a single tube, and a batch of 192 tubes was analyzed in 17.5 h. Results: Intra- and interassay imprecision was <15% in the range 0.3–49 nmol/L. Recovery of testosterone added to samples at concentrations of 0.625–20 nmol/L was 96% (CV = 12%; n = 26). Six samples were serially diluted with double charcoal-stripped serum to demonstrate linearity. Correlation (r2) with isotope-dilution gas chromatography–mass spectrometry for 20 pools of clinical samples (range, 0.5–38.5 nmol/L) was 0.99. Correlations with our extraction RIA were 0.97 for clinical samples from men (range, 8–46.3 nmol/L) and 0.66 for samples from women (range, 0.7–3.0 nmol/L), but were 0.35 for male samples containing <3 nmol/L testosterone and 0.77 for female samples containing >8 nmol/L. Various steroids added to double charcoal-stripped serum showed no interference at the retention time of the testosterone peak. Conclusions: The ID/LC-MS/MS method has improved accuracy compared with immunoassay. The low sample volume and simplicity, rapidity, and robustness of the method make it suitable for use as a high-throughput assay in routine clinical biochemistry laboratories.
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Sollerman, J., C. Fransson, C. Barbarino, C. Fremling, A. Horesh, E. Kool, S. Schulze, et al. "Two stripped envelope supernovae with circumstellar interaction." Astronomy & Astrophysics 643 (November 2020): A79. http://dx.doi.org/10.1051/0004-6361/202038960.
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Context. We present observations of SN 2019tsf (ZTF19ackjszs) and SN 2019oys (ZTF19abucwzt). These two stripped envelope (SE) Type Ib supernovae (SNe) suddenly showed a (re-)brightening in their late light curves. We investigate this in the context of circumstellar material (CSM) interaction with previously ejected material, a phenomenon that is unusual among SE SNe. Aims. We use our follow-up photometry and spectroscopy for these supernovae to demonstrate the presence of CSM interaction, estimate the properties of the CSM, and discuss why the signals are so different for the two objects. Methods. We present and analyze observational data, consisting of optical light curves and spectra. For SN 2019oys, we also have detections in radio as well as limits from UV and X-rays. Results. Both light curves show spectacular re-brightening after about 100 days. In the case of SN 2019tsf, the re-brightening is followed by a new period of decline, and the spectra never show signs of narrow emission lines that would indicate CSM interaction. On the contrary, SN 2019oys made a spectral makeover from a Type Ib to a spectrum clearly dominated by CSM interaction at the light curve brightening phase. Deep Keck spectra reveal a plethora of narrow high-ionization lines, including coronal lines, and the radio observations show strong emission. Conclusions. The rather similar light curve behavior – with a late linear re-brightening – of these two Type Ib SE SNe indicate CSM interaction as the powering source. For SN 2019oys the evidence for a phase where the ejecta hit H-rich material, likely ejected from the progenitor star, is conspicuous. We observe strong narrow lines of H and He, but also a plethora of high-ionization lines, including coronal lines, revealing shock interaction. Spectral simulations of SN 2019oys show two distinct density components, one with density ≳109 cm−3, dominated by somewhat broader, low-ionization lines of H I, He I, Na I, and Ca II, and one with narrow, high-ionization lines at a density ∼106 cm−3. The former is strongly affected by electron scattering, while the latter is unaffected. The evidence for CSM interaction in SN 2019oys is corroborated by detections in radio. On the contrary, for SN 2019tsf, we find little evidence in the spectra for any CSM interaction.
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Ozherel'ev, V. N., and V. V. Nikitin. "Strategy for design improvement of a combine harvester." Traktory i sel hozmashiny 83, no. 8 (August 15, 2016): 39–43. http://dx.doi.org/10.17816/0321-4443-66226.
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Promising directions of design improvement of combine harvester by means of the maximal adaptation of algorithm of its impact on plants with different physical and mechanical properties are presented. The technological algorithm of work with grain heap is optimized. It is proposed to separate previously the light impurities directly in the stripper header, the rear wall of which should be equipped with inertial tilted-plate separator. The light impurities are removed along with excessive airflow from the stripper header, but heavier free grain and tailings remain inside. In the terms of design, such technical effect is achieved due to the fact that the separator is formed by a set of longitudinal plates mounted with overlapping and imbedding of greater part of the cross section of each of them into the body of stripper header. The cross section of the plate has a curved surface, and its concavity is oriented towards the rear wall of the body. Remaining grain heap (tailings and free grain) is subjected to the secondary separation on perforated bottom of grain conveyor. Elongated holes are made in bottom; they have a particular cross-sectional shape and are inclined from the motion direction of conveyor flights on acute angle. As a result, the awns of spikes do not catch hold of the rear edge of the hole, and climb up the angled surface to the level of bottom of grain conveyor. Implementation of set of these technical solutions in the design of modern combine harvester will increase its performance when stripping of standing plants with eliminating the possibility of free grain crushing by working organs of the threshing device.
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Macnae, James, Xiuyan Ren, and Tim Munday. "Stripping induced polarization effects from airborne electromagnetics to improve 3D conductivity inversion of a narrow palaeovalley." GEOPHYSICS 85, no. 5 (July 7, 2020): B161—B167. http://dx.doi.org/10.1190/geo2019-0396.1.
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The electrical conductivity distribution within wide palaeochannels is usually well-mapped from airborne electromagnetic data using stitched 1D algorithms. Such stitched 1D solutions are, however, inappropriate for narrow valleys. An alternative option is to consider 2D or 3D models to allow for finite lateral extent of conductors. In airborne electromagnetic data within the Musgrave block near the well-studied Valen conductor, strong induced polarization (IP) and superparamagnetic (SPM) effects make physical property and structure estimation even more uncertain for deep channel clays, particularly those whose channel widths are comparable to their depth of burial. We developed a recursive data fitting algorithm based on dispersive thin sheet responses. The separate IP and SPM components of the fit provide near-surface chargeability and SPM distributions, and the associated electromagnetic (EM) fit provides stripped data with monotonic decays compatible with a simple nondispersive conductivity model. The validity of this stripped data prediction was tested through a comparison of 1D conductivity-depth imaging and 3D inversion applied to the original data and the stripped data. Due to the forked geometry of the deep conductivity structure in the region we investigated, we successfully used 3D rather than 2D inversion to predict the conductivity distribution related to the EM data. We recovered from the stripped data a continuous conductivity structure consistent with a branching, clay-filled palaeovalley under cover.
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Rouger, Y., and N. R. Liley. "Effect of social environment on plasma hormones and availability of milt in spawning male rainbow trout (Oncorhynchus mykiss Walbaum)." Canadian Journal of Zoology 71, no. 2 (February 1, 1993): 280–85. http://dx.doi.org/10.1139/z93-040.
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In this study we investigate the social stimuli responsible for the increases in plasma hormones and in the availability of milt in male rainbow trout allowed to interact with sexually active females. Males were placed in five experimental groups receiving different levels of sensory contact with females: no sensory cues, chemical cues, chemical and visual cues, full sensory and behavioural interaction with a nesting ovulated female, full sensory and behavioural interaction with an inactive postspawning female. Plasma levels of 11-ketotestosterone, 17α,20β-dihydroxy-4-pregnen-3-one and gonadotrophin increased only in males allowed full sensory contact with nesting females. Levels of 11-ketotestosterone did not change in males receiving visual and chemical cues, and decreased in the three other groups of males. The amount of milt that could be stripped from males increased only in those males placed with active females. Spermatocrit did not differ among the groups.
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Ma, Xianwei, and Zhenyu Wang. "Effect of Ground Waste Concrete Powder on Cement Properties." Advances in Materials Science and Engineering 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/918294.
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The paste/mortar attached to the recycled aggregate decreases the quality of the aggregate and needs to be stripped. The stripped paste/mortar is roughly 20% to 50% in waste concrete, but relevant research is very limited. In this paper, the effects of ground waste concrete (GWC) powder, coming from the attached paste/mortar, on water demand for normal consistency, setting time, fluidity, and compressive strength of cement were analyzed. The results show that the 20% of GWC powder (by the mass of binder) has little effect on the above properties and can prepare C20 concrete; when the sand made by waste red clay brick (WRB) replaces 20% of river sand, the strength of the concrete is increased by 17% compared with that without WRB sand.
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Chou, Yi-Pin, and Hsing-Lin Lin. "PS01.037: APPLYING THORACIC ENDOVASCULAR AORTIC REPAIR (TEVAR) AND SURGICAL RESECTION WITH RECONSTRUCTION OF ESOPHAGUS IN MANAGING OF AORTA-ESOPHAGEAL FISTULA." Diseases of the Esophagus 31, Supplement_1 (September 1, 2018): 60. http://dx.doi.org/10.1093/dote/doy089.ps01.037.
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Abstract Background Aorta-esophageal fistula (AEF) is very dangerous with high mortality. Treatment is difficult because of hemorrhagic shock in acute stage and infection in sub-acute stage. We develop a method to manage both perforations from aorta and esophagus successfully. Methods A 56 male patient had fish bone incarcerated in thoracic esophagus. Two months after this accident, intermittent massive hematemesis occurred. The esophagoscopy displayed active bleeding and AEF was diagnosed by computed tomography angiography (CTA). TEVAR is applied immediately and stopped bleeding successfully. Fever with sepsis and mediastinitis was happened after oral intake. The perforated esophagus was removed by wire-stripper through neck and abdomen incisions and reconstructed with gastric tube via retro-sternal route. Results After subtotal esophagectomy with gastric tube reconstruction, the ventilator is weaned and endotracheal tube was removed. No leakage from anastomosis between cervical esophagus and gastric tube. Patient could swallow regular diet smoothly. No further post-operative complication was happened after follow up two years. Conclusion TEVAR is the first step in managing AEF in acute stage to prevent hemorrhagic shock. Although esophageal perforation could be managed with esophageal stent, the marginal ulcer with pain and bleeding may cause other side effects. Esophageal stent is also another contra-indication applied in benign disease. Subtotal esophagectomy with wire-stripper and reconstruction with gastric tube could provide definite treatment for this esophageal perforation. Disclosure All authors have declared no conflicts of interest.
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Vanetti, Claudia, Francesco Bifari, Lucia M. Vicentini, and Maria Grazia Cattaneo. "Fatty acids rather than hormones restore in vitro angiogenesis in human male and female endothelial cells cultured in charcoal-stripped serum." PLOS ONE 12, no. 12 (December 12, 2017): e0189528. http://dx.doi.org/10.1371/journal.pone.0189528.
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Zhu, Wenchang, Guangzhong Hu, Qiuyue Bin, Junjie Liao, and Haoming Xu. "Statics and Modal Analysis of Main Frame of Composite Board Detaching Sleeve Equipment." MATEC Web of Conferences 358 (2022): 01038. http://dx.doi.org/10.1051/matecconf/202235801038.
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A new type of special machine tool for stripper sleeve was developed according to the stripper sleeve process of composite board. In order to ensure the reliability of the mainframe structure and the performance of the linear guide mechanism, the static structural analysis and modal analysis of the mainframe are carried out. The results show that the maximum stress of the supporting beam under the main frame is about 48.18 MPa, the maximum strain is 0.00023, and the maximum stress of the four-legged column is about 5.35 MPa, which is full of strength and stiffness design requirements. The end-cutting mechanism is installed on the beam through the installation plate. The deformation of the beam has a great influence on the operation accuracy of the linear guide mechanism and the cutting accuracy of the end-cutting mechanism. The maximum displacement in the X and Y directions of the installation plate is 0.014 mm, 0.030 mm and 0.197 mm, respectively, which meets the normal use requirements and cutting accuracy requirements of the linear guide mechanism. The first six natural frequencies of the mainframe are 2.963 – 47.137 Hz. In order to make the mainframe have good dynamic characteristics, avoid resonance and meet the end-cutting requirements of the composite board, the motor speed should be controlled between 300 – 493 r / min.
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Hirst, Judy, Edmund R. S. Kunji, and John E. Walker. "Comment on “Protein assemblies ejected directly from native membranes yield complexes for mass spectrometry”." Science 366, no. 6466 (November 7, 2019): eaaw9830. http://dx.doi.org/10.1126/science.aaw9830.
Full textAbstract:
Chorev et al. (Reports, 16 November 2018, p. 829) describe mass spectrometry on mitochondrial membrane proteins ionized directly from their native environment. However, the assignments made to measured masses are incorrect or inconclusive and lack experimental validation. The proteins are not in their “native” condition: They have been stripped of tightly bound lipids, and the complexes are fragmented or in physiologically irrelevant oligomeric states.
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Luhamaa, Liis. "Nõges Vormsi moodi: ülevaade 2012. aasta juulis Vormsil toimunud nõgesekiu töötlemise töötoast." Studia Vernacula 4 (November 5, 2013): 151–56. http://dx.doi.org/10.12697/sv.2013.4.151-156.
Full textAbstract:
An experimental workshop on obtaining and processing nettle fibre was held on the island of Vormsi (on the western coast of Estonia) in July 2012. Fibre was separated by raw processing during the workshop. The author describes how nettle stems are stripped, peeled and boiled in a lye solution, as well as carding and spinning methods (spinning instructor: Monika Plaser). The workshop also included making a nettle bark rope and dyeing wool with nettle leaves. Sample patches were made of yarn the participants had made themselves, using the wquipment provided.
Keyeords: nettle fibre processing
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Luhamaa, Liis. "Nõges Vormsi moodi: ülevaade 2012. aasta juulis Vormsil toimunud nõgesekiu töötlemise töötoast." Studia Vernacula 4 (November 5, 2013): 151–56. http://dx.doi.org/10.12697/sv.2013.4.151-156.
Full textAbstract:
An experimental workshop on obtaining and processing nettle fibre was held on the island of Vormsi (on the western coast of Estonia) in July 2012. Fibre was separated by raw processing during the workshop. The author describes how nettle stems are stripped, peeled and boiled in a lye solution, as well as carding and spinning methods (spinning instructor: Monika Plaser). The workshop also included making a nettle bark rope and dyeing wool with nettle leaves. Sample patches were made of yarn the participants had made themselves, using the wquipment provided.
Keyeords: nettle fibre processing
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Haddock, Luis J., Sander R. Dubovy, and Victor L. Perez. "Histopathological Findings after Descemet's Stripping Automated Endothelial Keratoplasty for the Management of Descemet's Membrane Breaks Secondary to Obstetrical Forceps Injury." Case Reports in Ophthalmological Medicine 2012 (2012): 1–3. http://dx.doi.org/10.1155/2012/474795.
Full textAbstract:
Case of a 39 y/o male patient that presented due to decreased vision and pain in the left eye secondary to corneal edema related to vertical Descemet's membrane breaks. The patient's past medical history was remarkable for a complicated vaginal delivery with the use of obstetrical forceps and presumed obstetrical forceps corneal injury. Herein, we demonstrate for the first time the use of descemet's stripping automated endothelial keratoplasty (DSAEK) in the management of this complication and for the first time show histologically the area of prior descemet's membrane break in the submitted stripped descemet's membrane.
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Freeman, Laura. "Guest Editorial: Hundreds of Thousands of Stripper Wells - Massive Liability or Golden Opportunity?" Journal of Petroleum Technology 73, no. 02 (February 1, 2021): 11–15. http://dx.doi.org/10.2118/0221-0011-jpt.
Full textAbstract:
Working with clients who are looking to buy upstream oil and gas wells, I almost always hear, “We don’t want stripper wells.” Now that the recent heyday of US unconventional wells is also waning, this often goes along with, “We want conventional production.” With gas prices having been relatively low the past couple of years, it is often, “We want oil-weighted production.” I am used to unicorn hunts and impossible asks, so I thought this was something reasonably doable. After a long year in a terribly gridlocked acquisitions-and-divestitures (A&D) market, I started thinking about it a little more. Most of the conventional packages that were coming to market had low-rate wells with many inactive wells tagging along. We were evaluating a lot of deals but were seeing several fail due to plugging and abandonment (P&A) liability and the inability of low-rate wells to handle the General and Administrative (G&A) structure of clients. One client group was competent and ready to deploy capital, and we had gone on the hunt for off-market deals adjacent to their current production. Our team initially found 19 interesting assets, based on size and proximity, and was pleased to find that nine of the 19 had operators who engaged as seriously interested in selling. Our client turned down all nine assets. Every one of the nine assets was cash flow positive (surprisingly in 2020), in the right region, conventional, and the right size. Every one of the nine was turned down because of the large number of inactive and low-rate wells. In a depressed A&D market with the lowest deal counts in over a decade, having nine assets rejected immediately was frustrating. We decided to screen out assets with low-rate wells and high inactive well counts before making calls and engaging sellers. I downloaded data from all the wells in a Rockies state, screened for current production to get a flowing barrel comp range representing the right deal size, looked for oil-weighted properties, took out unconventional wells, added a rate cutoff around 20 BOED per well, and applied a cutoff where reported inactive wells made up less than 50% of the total well count. Out of about 400 to start with, there were three assets left - only three. At first, I thought that had to be wrong. I knew that US onshore conventional production probably had a large number of low-rate wells, but it seemed reasonable that there would be several assets that had wells doing 20–30 BOED. Thinking about it more, I sent a text to a colleague: “I bet US onshore conventional production is actually dominated by low-rate wells.” I then pulled data for the Texas Gulf Coast because I had another group looking there. The results were shocking: 97% of the wells were 15 BOPD or below. All these clients want conventional assets without stripper wells - but they are all stripper wells.
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Markowitsch, Hans J. "Gestalt view of the limbic system and the Papez circuit – another approach to unity and diversity of brain structures and functions." Behavioral and Brain Sciences 22, no. 3 (June 1999): 459–60. http://dx.doi.org/10.1017/s0140525x99362038.
Full textAbstract:
The idea of distinct brain systems for the processing of episodic and other forms of memory is welcome. The two brain systems actually proposed however, appear to be stripped of further existing connections and could be integrated with one another. If integrating them, it seems more logical to propose one enlarged system of limbic structures whose individual components make partly different contributions to the forms of memory under discussion.
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Holovlov, Viktor, and Oleksandr Lezenkin. "Experimental Research of the Working Process of the Pneumatic Conveyor of the Combed Heap." National Interagency Scientific and Technical Collection of Works. Design, Production and Exploitation of Agricultural Machines, no. 51 (2021): 46–53. http://dx.doi.org/10.32515/2414-3820.2021.51.46-53.
Full textAbstract:
The article presents the advantages of harvesting grain ears by the method of combing at the root use stripper harvesting module technology with subsequent processing in comparison with combining. Harvesting with this technology is performed by a trailed harvesting machine with stripper working bodies. The implementation of this technology is constrained by namely the lack of scientific substantiation of the operating modes of the pneumatic conveyor of the combed heap. In this regard, there is a problem of researching the pneumatic conveyor, for its solution a method of experimental research was developed, which will determine the optimal parameters and performance of the pneumatic conveyor combed heap.The results of experimental researches of technological process of the pneumotransporter for transportation of the combed heap of grain in the trailer - the cart, namely range of flight of the combed heap depending on frequency of rotation dampers. The parameters of the factors and the geometric dimensions of the experimental setup were determined by computer simulation in SolidWorks. During the simulation, a full-fledged computer model was developed in real size, where the parameters were obtained by changing the speed of the impeller and changing the geometry of the loading window and the pneumatic line. Using the results of theoretical research, modeling and analysis of literature sources, the limits of the values of the factors were determined, which are given in the table. To conduct experimental research, an experimental setup was made, which allowed to vary the values of variable factors, and thus obtain a variety of data on the range of the combed pile of wheat depending on the values of variable factors. It is established that it is most expedient to use a noncomposite three - level Box - Benkin plan for three factors, which makes it possible to obtain a mathematical model according to the conducted experiments. The mathematical model is obtained, which in the future will make it possible to establish rational parameters and modes of operation of the compressed heap pneumatic conveyor. Checking the significance of the coefficients. The significance of the regression coefficients indicated that all the coefficients are significant. Checking the adequacy of the model showed that the model is adequate.
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Drakos, Nicole E., James E. Taylor, and Andrew J. Benson. "Mass-loss in tidally stripped systems: the energy-based truncation method." Monthly Notices of the Royal Astronomical Society 494, no. 1 (March 18, 2020): 378–95. http://dx.doi.org/10.1093/mnras/staa760.
Full textAbstract:
ABSTRACT The ability to accurately predict the evolution of tidally stripped haloes is important for understanding galaxy formation and testing the properties of dark matter. Most studies of substructure evolution make predictions based on empirical models of tidal mass-loss that are calibrated using numerical simulations. This approach can be accurate in the cases considered, but lacks generality and does not provide a physical understanding of the processes involved. Recently, we demonstrated that truncating NFW distribution functions sharply in energy results in density profiles that resemble those of tidally stripped systems, offering a path to constructing physically motivated models of tidal mass-loss. In this work, we review calculations of mass-loss based on energy truncation alone, and then consider what secondary effects may modulate mass-loss beyond this. We find that a combination of dependence on additional orbital parameters and variations in individual particle energies over an orbit results in a less abrupt truncation in energy space as a subhalo loses mass. Combining the energy truncation approach with a simple prediction for the mass-loss rate, we construct a full model of mass-loss that can accurately predict the evolution of a subhalo in terms of a single parameter ηeff. This parameter can be fully determined from the initial orbital and halo properties, and does not require calibration with numerical simulations.
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Günther, C., A. Kecskes, T. Staks, and U. Täuber. "Percutaneous Absorption of Methylprednisolone Aceponate following Topical Application of Advantan® Lotion on Intact, Inflamed and Stripped Skin of Male Volunteers." Skin Pharmacology and Physiology 11, no. 1 (1998): 35–42. http://dx.doi.org/10.1159/000029806.
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Kade, Richard. "De Profundus: Adumbrative Reflections?" Leonardo 33, no. 3 (June 2000): 237–38. http://dx.doi.org/10.1162/002409400552432.
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Leonardo was a man who designed war engines. He also anatomized, stripped The flesh from the body And saw the soul; made perspective From a flat sheet flex Round as a moving limb. Transmuted the past to the future In a credible flying device. He inspired a journal's creation over four centuries later; A journal of fine art that grips The same universe as Leonardo And fills it with vigor. That covers the whole field of inquiry made possible with Modern scientific techniques. The art is new. The journal is Leonardo. Subscription is a solid chunk of man's future.
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Burd, Gary. "Plastic fantastic!: Body Worlds." Biochemist 24, no. 3 (June 1, 2002): 18–19. http://dx.doi.org/10.1042/bio02403018.
Full textAbstract:
Love him or loathe him, Professor Günther von Hagens has set the scientific and art worlds alight with his controversial exhibition of plastinated humans stripped of their skins. The exhibition has made it to the unglamourous Old Truman Brewery in London's East End, and was sending shockwaves through the media, and even Parliament, before it even opened. Set in thought-provoking positions, are the pieces there for education or are they an abomination?
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MEYERHOF, W. E. "CHARGE DISTRIBUTIONS OF FAST PROJECTILES IN LOW-Z MATERIALS." International Journal of PIXE 02, no. 03 (January 1992): 223–32. http://dx.doi.org/10.1142/s012908359200021x.
Full textAbstract:
For an accurate calculation of target x-ray production or of projectile energy loss in low-Z materials, it is necessary to know the projectile charge state at each point in the material. If the projectile is fast enough so that charge transfer can be neglected with respect to electron stripping, it is possible to deduce a simple expression for the charge fractions as a function of the penetration distance into the target. The expression depends essentially only on the stripping cross section per electron of the particular shell being stripped, on the initial number of electrons on the projectile, and on the charge state. A small correction has to be applied for the effect of shells lying inside of the shell being stripped. The expression has been tested with Xe45+ projectiles between 82 and 300 MeV/u and with U83+ projectiles between 105 and 960 MeV/u with targets of Be, C, mylar, and Al. Model calculations are made of the effect of charge distributions on PIXE x-ray production and on projectile energy loss.
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KABINEJADIAN, FOAD, LEOK POH CHUA, DHANJOO N. GHISTA, and YONG SENG TAN. "CABG MODELS FLOW SIMULATION STUDY ON THE EFFECTS OF VALVE REMNANTS IN THE VENOUS GRAFT." Journal of Mechanics in Medicine and Biology 10, no. 04 (December 2010): 593–609. http://dx.doi.org/10.1142/s0219519410003587.
Full textAbstract:
Venous valves and sinuses are frequently observed in vein grafts in the coronary artery bypass grafts (CABG). However, from the biomedical engineering viewpoint, vein grafts are always assumed as smooth tubes in the existing simulations, and no effort has been made to investigate the effects of jaggedness of the graft inner wall due to the valve cusps remnants and valve sinus (in case of valve-stripped saphenous vein (SV) grafts) on the blood flow patterns and hemodynamic parameters (HPs). In this paper, the effects of the inner surface irregularities of a vein graft on the blood flow is investigated in the graft as well as in the distal anastomotic region, with a more realistic geometry of valve-stripped SV, by means of numerical simulation of pulsatile, Newtonian blood flow. The simulation results demonstrate that the valve remnants and sinuses cause disturbances in the flow field within the graft (due to vortices formation within the valve sinuses) and undesirable distribution of HPs, which can result in early atherosclerotic lesion development in the graft.
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Isah, Ahmed, John I. Sodiki, and Nkoi Barinyima. "Performance Assessment of Shell and Tube Heat Exchangers in an Ammonia Plant." European Journal of Engineering Research and Science 4, no. 3 (March 7, 2019): 37–44. http://dx.doi.org/10.24018/ejers.2019.4.3.1145.
Full textAbstract:
The main objective of this work is to assess the performance of two heat exchanger units (Stripper/Gas Overhead Condenser and Methanator Effluent Cooler) operating under steady state conditions in two stages. Two different methods are employed in monitoring the heat exchanger fouling, namely dirt factor trend method and a statistical control technique where a Cumulative Sum (CuSum) chart is used to check the stability of the process. Data were obtained through steady state monitoring and direct measurements from the plant. The data were analyzed using various energy equations and a computer program to determine the overall heat transfer coefficient, heat duty, capacity ratio, corrected log-mean-temperature difference, fouling factor, temperature range of both fluids and effectiveness. The result shows that for the Stripper/Gas Overhead Condenser, the overall heat transfer coefficient was 63.13% less than the design value in stage1 and 12.59% less in stage2. For the Methanator Effluent Cooler the value of heat duty and the overall heat transfer coefficient were 51.76% and 59.62% less respectively than the design value in stage1 and 30.72% and 30.16% less respectively in stage2. This was traceable to increase in heat transfer rate as a result of injecting the tubes of the exchangers with NALCO fluid. In order to detect small changes in the heat exchanger operation and to know the actual time fouling starts to build up, a Cusum chart is used. This work made use of QI Macros software to check the stability of the heat exchanger units and to know if processes are on-target.
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Isah, Ahmed, John I. Sodiki, and Nkoi Barinyima. "Performance Assessment of Shell and Tube Heat Exchangers in an Ammonia Plant." European Journal of Engineering and Technology Research 4, no. 3 (March 7, 2019): 37–44. http://dx.doi.org/10.24018/ejeng.2019.4.3.1145.
Full textAbstract:
The main objective of this work is to assess the performance of two heat exchanger units (Stripper/Gas Overhead Condenser and Methanator Effluent Cooler) operating under steady state conditions in two stages. Two different methods are employed in monitoring the heat exchanger fouling, namely dirt factor trend method and a statistical control technique where a Cumulative Sum (CuSum) chart is used to check the stability of the process. Data were obtained through steady state monitoring and direct measurements from the plant. The data were analyzed using various energy equations and a computer program to determine the overall heat transfer coefficient, heat duty, capacity ratio, corrected log-mean-temperature difference, fouling factor, temperature range of both fluids and effectiveness. The result shows that for the Stripper/Gas Overhead Condenser, the overall heat transfer coefficient was 63.13% less than the design value in stage1 and 12.59% less in stage2. For the Methanator Effluent Cooler the value of heat duty and the overall heat transfer coefficient were 51.76% and 59.62% less respectively than the design value in stage1 and 30.72% and 30.16% less respectively in stage2. This was traceable to increase in heat transfer rate as a result of injecting the tubes of the exchangers with NALCO fluid. In order to detect small changes in the heat exchanger operation and to know the actual time fouling starts to build up, a Cusum chart is used. This work made use of QI Macros software to check the stability of the heat exchanger units and to know if processes are on-target.
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Scott, A. P., A. V. M. Canario, Nancy M. Sherwood, and Carol M. Warby. "Levels of steroids, including cortisol and 17α,20β-dihydroxy-4-pregnen-3-one, in plasma, seminal fluid, and urine of Pacific herring (Clupea hareng us pallasi) and North Sea plaice (Pleuronectes platessa L.)." Canadian Journal of Zoology 69, no. 1 (January 1, 1991): 111–16. http://dx.doi.org/10.1139/z91-016.
Full textAbstract:
In an accompanying paper we report that herring milt contains high concentrations of conjugated cortisol and 17α,20β-dihydroxy-4-pregnen-3-one. We suggest that one source of these steroids was the urine, which could have become mixed with the milt during the hand-stripping procedure. In the present study, samples of hand-stripped milt from several other species, plaice (Pleuronectes platessa), dab (Limanda limanda), flounder (Platichthys flesus), goldfish (Carassius auratus), and rainbow trout (Oncorhynchus mykiss, formerly Salmo gairdneri), were assayed for free and conjugated cortisol. Uncontaminated samples of plasma, seminal fluid, and urine of male herring and plaice were also assayed for free and conjugated cortisol (both species), 17α,20β-dihydroxy-4-pregnen-3-one (herring only), 17α,20α-dihydroxy-4-pregnen-3-one, and 3α,17α,21-trihydroxy-5β-pregnan-20-one (plaice only). The results showed that hand-stripped milt from these other species, excluding rainbow trout (from which it was possible to obtain urine-free milt), also had markedly high levels of conjugated cortisol (200–1000 ng∙mL−1). Urine of herring and plaice had particularly high levels of conjugated cortisol (ca. 5 μg∙mL−1). Uncontaminated seminal fluid from herring, but not from plaice, also had high levels of conjugated cortisol (ca. 2 μg∙mL−1). Urine and plasma, but not seminal fluid, of herring had elevated levels of conjugated 17α,20β-dihydroxy-4-pregnen-3-one. Urine, but not plasma or seminal fluid, of male plaice had elevated levels of 17α,20α -dihydroxy-4-pregnen-3-one and 3α,17α,21-trihydroxy-5β-pregnan-20-one. It would appear that fish urine is a rich source of conjugated steroids and that care must be taken, when collecting milt for pheromone studies, to avoid urine contamination.
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Bainham, Andrew. "ATTRIBUTING HARM: CHILD ABUSE AND THE UNKNOWN PERPETRATOR." Cambridge Law Journal 59, no. 3 (November 16, 2000): 421–71. http://dx.doi.org/10.1017/s0008197300330203.
Full textAbstract:
HOW far should we as a society concerned to protect children be prepared to run the risk of trampling on the rights of potentially innocent parents? Once the technicality is stripped away, this was essentially the issue which the House of Lords confronted in Lancashire County Council v. B [2000] 2 W.L.R. 590. The courts may only make a care or supervision order where the local authority can satisfy the “threshold conditions” in the Children Act 1989, s.31(2).
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dos Santos, Ana Cecilia Correia, Elias Andrade Braga, Igor L. S. Rodrigues, Ricardo de Araϊjo Kalid, and Asher Kiperstok. "Use of Simulator for Decision to Reuse of Industrial Effluents." International Journal of Energy 15 (March 23, 2021): 22–26. http://dx.doi.org/10.46300/91010.2021.15.4.
Full textAbstract:
The need to reduce operational inefficiency because no generation of effluent encourages industries to search improvements in the procedures and technologies. However, in case that is not technically or economically feasible, the water reuse is a good option. The removal of volatile organic compounds (VOC) in liquid streams at a nitrogen fertilizer industry is carried out in a stripper that generates treated condensate that can be reused. The present work aims at the reuse of the treated condensate to produce steam and it was conducted according to methodology: collection and reconciliation of data in the industrial plant; simulation operating conditions and changed conditions for the most contaminant removal; tests in loco and analysis of physicchemical parameters to assess the quality of the treated condensate. The simulation was performed in steady state for two scenarios: the first one using operating conditions with vapor pressure between 3.2 bar and 6.0 bar and a flow rate of saturated steam between 1.5 t/h 5.0 t/h; the second simulation scenery considered the removal of the D stream process of the stripper, that has a high concentration of ammonia and methanol. In the first scenario, it was observed by manipulating of the pressure to 6.0 bar and steam flow to 2.0 t/h make better the removal ammonia efficiency. For the second scenario has also greater efficiency in the removal of both ammonia and methanol. The tests in loco and physic-chemical analysis showed that removal of the D stream process can enable the of reuse to make up for water in boiler to produce steam of until 41 bar after additional treatment, reducing the conductivity and iron concentration. The reuse of this treated condensate provides an economic gain of approximately US$ 500 000 each year, reducing the cost with the use of demineralized water and wastewater treatment. The use of the simulator allowed studying different scenarios, to reduce the number of experimental tests in loco and establishing routes for reuse industrial wastewater.
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Bur'yanov, M. A., I. V. Chervyakov, and A. I. Bur'yanov. "The influence of the properties of materials used to make the working bodies of the stripper header on the quality of the performed process." Traktory i sel hozmashiny 85, no. 3 (June 15, 2018): 54–61. http://dx.doi.org/10.17816/0321-4443-66401.
Full textAbstract:
The aim of the inveatigations is to develop the main provisions of the procedure for determining the influence of material properties on the example of steel and ultra-high molecular weight polyethylene (UHMW PE) when they are used to fabricate or cover the outer and inner surfaces of the fairing and the combing teeth of the header, on the quality of the process performed by it. The dependencies and regularities that are integral parts of the previously developed mathematical model of the process of combing grain crops with a single-barrel header are used in the article. As a result of solving the equations, data on the normal and tangential components of the speed of movement of the ear and grain after contact with the test surfaces were obtained. Upon contact with the external surface of the fairing that material would be preferred which the movement along is accompanied by a lower value of the frictional force. During a rebound from the combing tooth and the inner surface of the fairing, the best material is the speed of rebound of the grain from which is higher. The value of the normal forces pressing the ear of winter wheat to the contacting surface was determined in an experimental plant simulating the process of combing the reaper. The coefficient of static friction and motion and the coefficient of recovery upon contact with the surfaces of steel and UHMW PE ears and winter wheat’s grains were determined at its moisture content of 9 %. It has been established that at a header speed of 3 m/s, the frictional force pressing the ear to the outer surface of the fairing from UHMW PE is 1,75 times less than on the steel. After contact with the tooth, the rebound speed of the grain is higher, if it is made of steel. For the accepted characteristics of the harvested plants and the operating conditions of the header, when the grains come into contact with the inner surface of the fairing from the UHMW PE within the friction angle, the loss of grain velocity after the collision is less than on the steel, with the exception of contact with direct impact. Compensation for the reduction in speed within a direct impact on the inner surface of the fairing which is made of UHMW PE can be achieved by varying the angle of inclination of the combing teeth on the drum.
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Jahan, I., MS Islam, MM Shamsuzzaman, I. N. Suravi, M. Akter, and D. Sutradhar. "Growth performance and cost-benefit analysis of brackishwater fin fishes (Mugil cephalus and Rhinomugil corsula) with prawn (Macrobrachium rosenbergii) in polyculture at coastal ponds." Journal of the Asiatic Society of Bangladesh, Science 47, no. 1 (June 21, 2021): 67–78. http://dx.doi.org/10.3329/jasbs.v47i1.54187.
Full textAbstract:
The study was carried out to observe growth, production and profit of prawn, stripped mullet (Mugil cephalus) and corsula mullet (Rhinomugil corsula) at different stocking ratio under polyculture in the Bagerhat district for four months. The experiment was designed as a randomized block design and had three treatments based on stocking ratio with three replicates in each treatment. Juveniles of prawn (Macrobrachium rosenbergii) and fingerlings of fin fishes (stripped mullet and corsula mullet) were stocked at a stocking ratio of 3:1:1, 4:1:1 and 5:1:1/m2 in T1, T2 and T3, respectively. Prawn and fin fishes were fed with a commercial diet and farm made formulated feed on a daily basis. Recorded water quality parameters were within suitable ranges of prawn and fish culture. Higher growth (43.0 g) of the prawn was achieved in T1 followed by T2 (41.0 g) and T3 (38.0 g), but prawn growth was not significantly different between T1 and T2. The growth and survival rate of prawn, stripped mullet and corsula mullet were lower in T3, where the stocking ratio was higher. Higher production of the prawn was obtained in T2 (1148.0 kg/ha) than those of T1 (954.6 kg/ha) and T3 (1083.0 kg/ha). But significantly (p<0.05), higher production of stripped mullet was found in T1 (650.0 kg/ha) and T2 (579.5 kg/ha) than T3 (500.5 kg/ha). Similarly, higher production of corsula mullet was found in T1 (850.0 kg/ha) and T2 (834.9 kg/ha) than T3 (719.8 kg/ha). However, combined production and net profit of prawn and fin fish farming were significantly (p<0.05) higher in T2 (2562.4 kg/ha, BDT 277,384.51/ha) followed by T3 (2303.3 kg/ha, BDT 229,693.95/ha) and T1 (2454.6 kg/ha, BDT 179,393.31/ha). So from a production and economic point of view, polyculture of prawn and fin fish at a stocking ratio of 4:1:1/m2 is more profitable compared to other stocking ratios and this system may be suggested to disseminate at coastal farmers’ level.
J. Asiat. Soc. Bangladesh, Sci. 47(1): 67-78, June 2021
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Avery, Joshua. "Nomos and Platonism in More's Utopia." Moreana 58, no. 2 (December 2021): 177–87. http://dx.doi.org/10.3366/more.2021.0102.
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This essay, following an existing train of scholarship working to make sense of the Platonic connection to Utopia, argues for nomos as a useful angle in furthering this understanding. Raphael's approach to politics combines with the Utopian social system to suggest a highly Platonic vision of nomos, whereby social norms are absorbed into an essentialized nature, stripped of all arbitrariness and therefore, ostensibly, perfectly rational. The result is a sterile regime that fails to acknowledge the whimsical elements necessary to the human soul and therefore also necessary to actual human societies.
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Nevřelová, Marta, and Jana Ružičková. "Woody Plants Affected by Ungulates in Winter Period, Impacts and Bark Renewal." Ekológia (Bratislava) 34, no. 3 (September 1, 2015): 235–48. http://dx.doi.org/10.1515/eko-2015-0023.
Full textAbstract:
AbstractDue to biotope fragmentation and changes in landscape structure, opportunities for forest animals to migrate and obtain food are diminishing, especially during extreme winter conditions. The main objective of this research was an assessment of ungulates, impact on woody species, evaluation of damage forms and bark renewal phases of affected woody plants. The study area is located in western Slovakia in the southeast part of Male Karpaty Mts. After the very cold and long winter of 2012/2013, 34% of woody plants were damaged by bark stripping and biting on the forest locality and 53% of evaluated trees and shrubs were damaged by biting off shoots in the non-forest locality. Together, 262 woody plants belonging to 15 species were evaluated; the girth of tree trunks and stripped bark patches were measured. The most severely affected tree species, suffering from bark stripping and bitten-off sprouts, was Fraxinus excelsior; Acer campestre was also significantly affected. Results showed that woody plants provide a significant part of hoofed mammal nutrition (especially Capreolus capreolus and Cervus elaphus). The stripped bark dendromass per forested area of 625 m2 reached 3 m2. After the mild winter in 2014, the majority (93.7%) of previously affected Fraxinus excelsior trees in the forest locality had only old damages with renewed bark in different phases of regeneration. In the non-forest locality, 96% of young Fraxinus excelsior, damaged in the winter of 2013, shot up new sprouts. The mortality of affected trees was minimal (4−5%).
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Marnis, Huria, Bambang Iswanto, Rommy Suprapto, Imron Imron, and Raden Roro Sri Pudji Sinarni Dewi. "DETECTION, TRANSMISSION, AND EXPRESSION cDNA GROWTH HORMONE GENE (PhGH) OF STRIPPED CATFISH IN F-1 TRANSGENIC AFRICAN CATFISH." Indonesian Aquaculture Journal 9, no. 2 (December 31, 2014): 89. http://dx.doi.org/10.15578/iaj.9.2.2014.89-95.
Full textAbstract:
In previous study, the fast growth transgenic founder of African catfish was produced harboring a growth hormone (GH) gene construct containing a stripped catfish growth hormone (PhGH) cDNA. This study was conducted to investigate transgene (PhGH) transmission and expression in F-1 transgenic African catfish. The transgenic founders (female) were crossed with non-transgenic (male) to produce heterozygous F-1 progeny. PhGH gene was detected in the embryo, larvae, and seed of the transgenic F-1 using PCR method. Expression levels of transgene in embryo and larvae were analyzed using real-time quantitative PCR (qPCR) method. The transgene was detected in embryo, larvae and seed of F-1 transgenic African catfish. Founder could transmit PhGH gene to transgenic F-1 lines in ranged 36% to 48%. Expression level of Phgh gene in embryo was higher than that of the larvae; whereas in the embryo was 1.5 x 105 - 5.2 x 105 copies or 0.49-9.82 fold, while in the larvae was 1.1 x 105 - 2.5 x 105copies or 0.19-5.80 fold.