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Tytuł:
Implications of humanistic management for the employer and the employed
Autorzy:
Gupta, D.
Powiązania:
https://bibliotekanauki.pl/articles/392662.pdf
Data publikacji:
2018
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
attrition
buzzword
humanistic management
zarządzanie humanistyczne
Opis:
Humanistic management may be among the latest buzzwords, but the older generation maintains that it knew all about it all along. Some of them had practised it at the workplace. It is all about workplace dignity. By giving it a fancy name, Generation Z is only reinventing the wheel. Upon interaction with the respondents selected for the study, the researcher concludes that humanistic management can help reduce attrition and raise employee productivity. As a result, the employer can become more price-competitive and quality-competitive at the workplace. Thus, the outcome is a virtuous cycle of enhanced productivity, enhanced competitiveness and reduced training costs. But what piqued the curiosity of the researcher was why, to this day, humanistic management remains an exception and not the rule, across the employer community. This is because employers placed more faith in authoritative managers than in individual workers and group dynamics. They ignored interpersonal relationships. They failed to acknowledge the value of dignity in the economics and management space! This amounts to being wise to the penny and foolish to the pound. At best, it may lead the employee to churn out products at the same dreary pace for the rest of his/her work life. For all one knows, the employee concerned may be capable of delivering more but no thanks to absence of humanistic management, the employee concerned is seldom motivated to excel himself/herself at the workplace. Humanistic management dispels the notion that productivity level is the same across employees.
Źródło:
Organizacja i Zarządzanie : kwartalnik naukowy; 2018, 4; 83-92
1899-6116
Pojawia się w:
Organizacja i Zarządzanie : kwartalnik naukowy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Free vibration of clamped visco-elastic rectangular plate having bi-direction exponentially thickness variations
Autorzy:
Gupta, A. K.
Khanna, A.
Gupta, D. V.
Powiązania:
https://bibliotekanauki.pl/articles/281741.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
viscoelasticity
clamped rectangular plate
variable thickness
Opis:
Free vibration of a clamped visco-elastic rectangular plate having bi-direction exponentially varying thickness has been analysed on the basis of classical plate theory. For visco-elastic materials, basic elastic and viscous elements are combined. We have assumed the Kelvin model for visco-elasticity, which is a combination of elastic and viscous elements connected in parallel. Here, the elastic element is constituted by a spring and the viscous one is a dashpot. An approximate but quite convenient frequency equation is derived by using the Rayleigh-Ritz technique. Logarithmic decrement, time period and deflection (at two different instant of time) for the first two modes of vibration and for various values of the taper constants and aspect ratio are calculated. Comparison studies have been carried out with bi-linearly thickness variation to establish the accuracy and versatility of the method.
W pracy rozważono problem swobodnych drgań utwierdzonej lepkosprężystej prostokątnej płyty o dwukierunkowo wykładniczo zmiennej grubości na podstawie klasycznej teorii płyt. Uwzględniono lepkosprężyste właściwości materiału płyty, bazując na podstawowych elementach reologicznych. Przyjęto model Kelvina, tj. równoległą kombinację elementu sprężystego i wiskotycznego. Równanie ruchu płyty rozwiązano metodą Rayleigha-Ritza, otrzymując przybliżoną, ale wygodną do analizy postać wyrażenia w dziedzinie częstości. Następnie wyznaczono wartość logarytmicznego dekrementu tłumienia, okresu drgań i ugięcia płyty dla dwóch pierwszych funkcji własnych dla różnych parametrów opisujących zmienną grubość i wymiary zewnętrzne płyty. Wyniki obliczeń przy uwzględnieniu zmiany grubości płyty porównano z dotychczasowymi rezultatami badań w celu potwierdzenia dokładności i uniwersalności metody.
Źródło:
Journal of Theoretical and Applied Mechanics; 2009, 47, 2; 457-471
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Surface waves in fibre-reinforced anisotropic solid elastic media under the influence of gravity
Autorzy:
Sethi, M.
Gupta, K. C.
Gupta, D.
Manisha, -
Powiązania:
https://bibliotekanauki.pl/articles/955330.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
fale powierzchniowe
lepkość
fala Rayleigha
siła ciężkości
fibre-reinforced medium
surface waves
viscosity
Rayleigh waves
gravity
Opis:
The aim of the present paper is to investigate surface waves in an anisotropic, elastic solid medium under the influence of gravity. First, a theory of generalised surface waves was developed and then it was employed to investigate particular cases of waves, viz., Stoneley and Rayleigh, Love type. The wave velocity equations were obtained for different cases and they are in well agreement with the corresponding classical result, when the effect of gravity, viscosity as well as parameters for fibre-reinforcement of the material medium are ignored.
Źródło:
International Journal of Applied Mechanics and Engineering; 2013, 18, 1; 177-188
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acoustic and laser bathymetry systems
Autorzy:
Gupta, S. D.
Zielinski, A.
Powiązania:
https://bibliotekanauki.pl/articles/332055.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Akustyczne
Opis:
This paper discusses acoustic and lasers based bathymetric systems in terms of their applicability in diverse circumstances. The advantages and disadvantages of each method are compared in terms of capabilities, cost and accuracy. None of these systems can provide full bottom coverage in all circumstances but could be supplementary to each other. Information has been presented in support of this conclusion. Acoustic bathymetry is suitable at deeper waters whereas laser bathymetry may be used in shallow clear coastal waters. A hybrid option has been suggested with the mix of these systems for higher survey efficiency and lesser costs. This paper is of interest to persons involved in ocean acoustics study and survey projects planners as well as to the developers of laser instruments for study ocean water and bottom properties and object detection such as wracks, boulders and other objects.
Źródło:
Hydroacoustics; 2013, 16; 77-88
1642-1817
Pojawia się w:
Hydroacoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
NADPH oxidase C is not the main source of ROS under arsenic toxicity but regulates antioxidants and metal transporters
Autorzy:
Gupta, D.
Inouhe, M.
Rodriguez-Serrano, M.
Romero-Puertas, M.
Sandalio, L.
Powiązania:
https://bibliotekanauki.pl/articles/81189.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
NADPH oxidase
arsenic
toxicity
oxidative metabolism
Arabidopsis thaliana
malondialdehyde
glutathione reductase activity
oxidative stress
reactive oxygen species
antioxidant
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
QUERCETIN AMELIORATES INSULIN RESISTANCE CONCOMITANT EARLY CARDIOVASCULAR CHANGES IN EXPERIMENTAL RATS
Autorzy:
KUSHWAH, AJAY S.
GUPTA, GHANSHYAM D.
Powiązania:
https://bibliotekanauki.pl/articles/895413.pdf
Data publikacji:
2018-08-31
Wydawca:
Polskie Towarzystwo Farmaceutyczne
Tematy:
insulin resistance
oxidative stress
myocardium
quercetin
high-fructose diet
5' Adenosine Monophosphate-activated Protein Kinase
Opis:
Quercetin is a dietary flavonoid found in a wide range of fruits and vegetables; it has diverse biological activities, possesses beneficial effects in ameliorating diabetic complications, apart from the effect of quercetin on fructose feed induced insulin resistance (IR) linked cardiac dysfunction have not been entirely revealed. This study aspires to explore the effect of quercetin on metabolism, oxidative stress, cardiomyocytes damage and cardiac function in IR state. Wistar rats either sex weighing 220-250 g (n ꞊8), were divided into four groups, kept on either control diet and high fructose diet and supplement with a quercetin as a test drug and metformin as a standard, at the dose of 50 and 200 mg/ kg; p.o., respectively. Daily measured body weight, feed, and water intake for 35 days, Oral glucose tolerance test (OGTT) performed in animals on the 32nd day. At end of the study (36th day), measured hemodynamic parameters after that estimation of various biochemical parameters. Finally, the animals were sacrificed for isolation of tissues and measured heart weight, the oxidative stress level of heart and histopathological changes. Treatment of quercetin with fructose-fed ameliorated all the parameters revile by the contrast of IR rats. The outcome of quercetin associated improves insulin sensitivity, normalized lipid profile, abolish hemodynamic changes, oxidative stress and cardiac injury markers within fructose-fed, and lesser histopathological changes were observed contrast with IR rats. These beneficial effects of quercetin mediated by improving insulin sensitivity and metabolism; reduced oxidative stress could potentially be used to ameliorate the myocardial damage.
Źródło:
Acta Poloniae Pharmaceutica - Drug Research; 2018, 75, 4; 977-987
0001-6837
2353-5288
Pojawia się w:
Acta Poloniae Pharmaceutica - Drug Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Chitosan biopolymer improves the fruit quality of litchi (Litchi chinensis Sonn.)
Biopolimer chitozan poprawia jakość owoców liczi (Litchi chinensis Sonn.)
Autorzy:
Mehebub, Md.S.
Mahmud, N.U.
Rahman, M.
Surovy, M.Z.
Gupta, D.R.
Hasanuzzaman, M.
Islam, M.T.
Powiązania:
https://bibliotekanauki.pl/articles/26717.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Botaniczne
Opis:
Chitosan (CHT) is a natural compound that has been used to control postharvest pathogenic diseases due to its capability of eliciting natural defense responses in plants. The aim of this study was to investigate the effect of foliar CHT application on yield and quality of the litchi fruit. Chitosan was applied by spraying on to fruit and foliage just after fruit set four times at 7-day intervals with four varying doses viz. 100, 250, 500, and 1,000 µg L−1 and a control (0 µg L−1). Although the application of CHT had no significant effect on the size of the fruits (length and width), the total contents of phenolics, flavonoids, and ascorbic acid and the antioxidant activity of litchi fruit arils were significantly increased in CHT-treated fruit compared with the untreated control. The highest phenolic, flavonoid, and ascorbic acid contents were 334 µg gallic acid g−1, 881 μg quercetin g−1, and 178 µg g−1, respectively, in fruits treated with 500 µg L−1 CHT. However, the highest antioxidant activity (622 μg butylated hydroxytoluene g−1) was recorded in 250 µg L−1 CHT-treated fruits. Our findings revealed that the application of low doses of CHT in a litchi orchard might improve fruit quality by increasing the content of antioxidants and antioxidant activities.
Chitozan (CHT) jest naturalnym związkiem wykorzystywanym do zwalczania chorób roślin, ponieważ wykazuje potencjał do wywoływania naturalnej odpowiedzi obronnej w roślinach. Celem niniejszych badań było określenie wpływu dolistnego aplikowania CHT na plonowanie i jakość owoców liczi. Chitozan w stężeniu: 0 (kontrola), 100, 250, 500 lub 1000 μg L−1 rozpylano na owoce i liście bezpośrednio po pojawieniu się owoców czterokrotnie w odstępach 7-dnio-wych. Mimo, że aplikacja CHT nie miała istotnego wpływu na wielkość owoców (długość i szerokość), całkowita zawartość związków fenolowych, flawonoidów i kwasu askorbiowego, jak również aktywność antyoksydacyjna owoców liczi wyraźnie wzrosła po zastosowaniu CHT w porównaniu do owoców nie poddanych działaniu tego związku. Najwyższe stężenia związków fenolowych, flawonoidów i kwasu askorbinowego, wynoszące odpowiednio: ekwiwalent 334 μg kwasu galusowego g−1 , ekwiwalent 881 μg kwercytyny g−1 i 178 μg g−1, stwierdzono w owocach traktowanych 500 μg L−1 CHT. Jednak najwyższą aktywność antyrodnikową (622 μg butylohy-droksytoluenu g−1) stwierdzono w owocach traktowanych 250 μg L−1 CHT. Uzyskane wyniki wskazują, że zastosowanie niskich stężeń CHT w sadach liczi może poprawić jakość owoców poprzez zwiększenie w nich zawartości antyoksydantów oraz aktywności antyrodnikowej.
Źródło:
Acta Agrobotanica; 2019, 72, 2
0065-0951
2300-357X
Pojawia się w:
Acta Agrobotanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lactoferrin gene promoter variants and their association with clinical and subclinical mastitis in indigenous and crossbred cattle
Autorzy:
Chopra, A.
Gupta, I.D.
Verma, A.
Chakravarty, A.K.
Vohra, V.
Powiązania:
https://bibliotekanauki.pl/articles/31066.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Lactoferrin (Lf) gene promoter was screened for the presence of single nucleotide polymphism in indigenous and crossbred cattle from North India and to evaluate its association with Mastitis. Study revealed the presence of genetic variation in regulatory region of bovine Lactoferrin gene using PCR-RFLP technique. Three genotypes namely GG, GH and HH were identified. A single nucleotide change, from guanine to adenine at 25th position was found to be significantly associated (p<0.05) with clinical mastitis in indigenous Sahiwal and crossbred Karan Fries cattle maintained at organised herd of National Dairy Research Institute, Karnal. A non-significant association was observed between subclinical mastitis, somatic cell score (SCS), and GG genotype in Karan Fries cattle, however, a lower SCS was observed in animals having GG genotype. Overall a lower incidence of clinical mastitis was recorded in those animals having GG genotype of Lf in Sahiwal and Karan Fries (KF) cattle. The SNP identified in the promoter region may effect expression lactoferrin protein, which may lead to different levels of antibacterial and anti- nflammatory activity of Lf gene. Results from this study indicated the probable role played by Lactoferrin promoter to serve as candidate gene for mastitis susceptibility among indigenous and crossbred milch cattle.
Źródło:
Polish Journal of Veterinary Sciences; 2015, 18, 3
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Whey protein isolate-aragonite composites for bone tissue engineering
Autorzy:
Gupta, D.
Kocot, M.
Serafim, A.
Jaegermann, Z.
Talari, A.
Riedel, S.
Tryba, A. M.
Stancu, I. C.
Pietryga, K.
Reilly, G.
Pamuła, E.
Douglas, T. E. L.
Powiązania:
https://bibliotekanauki.pl/articles/285230.pdf
Data publikacji:
2018
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Polskie Towarzystwo Biominerałów
Tematy:
tissue engineering
composites
hydrogels
Źródło:
Engineering of Biomaterials; 2018, 21, 148; 97
1429-7248
Pojawia się w:
Engineering of Biomaterials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On strong proximinality in normed linear spaces
Autorzy:
Gupta, Sahil
Narang, T. D.
Powiązania:
https://bibliotekanauki.pl/articles/747002.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:
Strongly proximinal set
approximatively compact set
strongly Chebyshev set
compactly locally uniformly rotund space
Opis:
The paper deals with strong proximinality in normed linear spaces. It is proved that in  a compactly locally uniformly rotund Banach space, proximinality, strong proximinality, weak approximative compactness and  approximative compactness are all equivalent for closed convex sets. How strong proximinality can be transmitted to and from quotient spaces has also been discussed.
Źródło:
Annales Universitatis Mariae Curie-Skłodowska, sectio A – Mathematica; 2016, 70, 1
0365-1029
2083-7402
Pojawia się w:
Annales Universitatis Mariae Curie-Skłodowska, sectio A – Mathematica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Filarial glutathione S-transferase: its induction by xenobiotics and potential as drug target
Autorzy:
Gupta, Sarika
Rathaur, Sushma
Powiązania:
https://bibliotekanauki.pl/articles/1041437.pdf
Data publikacji:
2005
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
actinomycin D
lymphatic filariasis
diethylcarbamazine
glutathione-S-transferase
Setaria cervi
Opis:
Glutathione-S-transferase (GST) a Phase-II drug detoxification enzyme, was detected in Setaria cervi, a bovine filarial parasite. In vitro effect of diethylcarbamazine, butylated hydroxyanisole and phenobarbitone on the GST of adult female S. cervi was assayed by the addition of these compounds in the maintenance medium. The specific activity of GST towards 1-chloro-2,4-dinitrobenzene was increased progressively 1.2-1.97, 1.3-2.4 and 1.2-2.7 times at 10-100 µM of diethylcarbamazine, butylated hydroxyanisole and phenobarbitone, respectively, after 5 h at 37°C. Substrate specificity studies showed a higher increase in specific activity with ethacrynic acid and no change with cumene hydroperoxide. Although the intensity of GST activity band was more in extract from diethylcarbamazine or butylated hydroxyanisole treated worms extract, an extra band of activity appeared in those worm extracts compared to control worm extract. SDS/PAGE showed increased thickness of the band corresponding to purified GST in extracts from diethylcarbamazine/butylated hydroxyanisole/phenobarbitone treated worms. Purification and quantification of GST from diethylcarbamazine and butylated hydroxyanisole treated worms indicated an increase in enzyme specific activity. The increase in GST protein by these agents was blocked by prior treatment with actinomycin D, indicative of a transcription dependent response. The role of this enzyme in motility and viability of microfilariae and adult female was tested in vitro using a range of known GST inhibitors. Of those tested, ethacrynic acid, ellagic acid, 1-chloro-2,4-dinitrobenzene, cibacron blue and butylated hydroxyanisole reduced the viability and motility of microfilariae and adult female worms at micromolar concentrations. These results suggest that S. cervi GST is inducible in response to the antifilarial drug diethylcarbamazine and may play an important role in parasite's survival, thus could be a potential drug target.
Źródło:
Acta Biochimica Polonica; 2005, 52, 2; 493-500
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Studies on Aluminized, High Burning Rate, Butacene® Based, Composite Propellants
Autorzy:
Ghosh, K.
Behera, S.
Kumar, A.
Padale, B. G.
Deshpande, D. G.
Gupta, M.
Powiązania:
https://bibliotekanauki.pl/articles/358702.pdf
Data publikacji:
2014
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
Butacene®
ferrocene
pressure exponent
Opis:
This paper reports on a Butacene® based composite propellant with high burning rate. The effect of replacing HTPB with Butacene® on the physical, mechanical and ballistic properties, and sensitivity towards impact and friction, has been studied. The ballistic properties were evaluated as burning rates at various pressures (7-11 MPa), pressure exponents, ignition temperatures etc. As expected, a remarkable enhancement in burning rate at low pressures was observed with increasing percentage of Butacene®. Comparatively lower n-values were observed for compositions containing Butacene® than for HTPB based propellants. The sensitivity of Butacene® based compositions, in terms of impact and friction, was found to be increased with an increasing percentage of Butacene®.
Źródło:
Central European Journal of Energetic Materials; 2014, 11, 3; 323-333
1733-7178
Pojawia się w:
Central European Journal of Energetic Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular Interaction Study of Binary Mixtures of THF with Methanol and o-Cresol - an Optical and Ultrasonic Study
Autorzy:
Parveen, S.
Singh, S.
Shukla, D.
Singh, K.
Gupta, M.
Shukla, J.
Powiązania:
https://bibliotekanauki.pl/articles/1585019.pdf
Data publikacji:
2009-12
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.35.+d
62.60.+v
82.60.Lf
Opis:
The refractive indices, densities and ultrasonic velocities of binary liquid mixtures of tetrahydrofuran (THF) with methanol and o-cresol over the entire composition range have been measured at 293, 303 and 313 K. Refractive index, density and ultrasonic velocity data have been used to evaluate the molar refraction deviation $ΔR_{m}$, deviation in ultrasonic velocity Δu, excess internal pressure $π_{i}^{E}$, excess molar enthalpy $H_{m}^{E}$ and excess free volume $V_{f}^{E}$. The computed results of $ΔR_{m}$, Δu, $π_{i}^{E}$, $H_{m}^{E}$ and $V_{f}^{E}$ were fitted to the Redlich-Kister polynomial equation. These results suggest that specific strong interactions are taking place in THF + o-cresol mixture while dispersive forces seem to be responsible for behaviour of THF + methanol mixture. Further, experimental refractive index and density data of these mixtures were also used to test the validity of the empirical/semi-empirical relations and models for refractive index and density, respectively.
Źródło:
Acta Physica Polonica A; 2009, 116, 6; 1011-1017
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Volumetric, Optical, Acoustical and Viscometric Study of Molecular Association in Binary Mixtures of Butylamine with 1-Butanol and Tert-Butanol
Autorzy:
Singh, S.
Parveen, S.
Shukla, D.
Gupta, M.
Shukla, J. P.
Powiązania:
https://bibliotekanauki.pl/articles/2047348.pdf
Data publikacji:
2007-06
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
43.35.+d
62.60.+v
82.60.Lf
Opis:
Density (ρ), refractive index (n), ultrasonic velocity (u), and viscosity (η) were measured for the binary mixtures formed by butylamine with 1-butanol and tert-butanol at temperatures 293, 303, and 313 K over the entire composition range. Excess molar volume V$\text{}_{m}^{E}$, molar refraction deviation ΔR$\text{}_{m}$, deviation in ultrasonic velocity Δu, viscosity deviation Δη, and excess Gibb's free energy of activation for viscous flow ΔG$\text{}^{*E}$ were derived from the experimental data and the computed results were fitted to the Redlich-Kister polynomial equation. The values of V$\text{}_{m}^{E}$, ΔR$\text{}_{m}$, Δu, Δη, and ΔG$\text{}^{*E}$ were plotted against the mole fraction of butylamine. The observed positive and negative values of excess parameters for both the mixtures were explained on the basis of intermolecular interactions present in these mixtures. The higher negative values of V$\text{}_{m}^{E}$ and ΔR$\text{}_{m}$ and positive values of Δu, Δη, and ΔG$\text{}^{*E}$ for butylamine + 1-butanol mixture suggest that specific interactions are taking place in butylamine + 1-butanol mixture, while weak dipole-dipole induced forces and dispersive forces seem to be responsible for butylamine + tert-butanol mixture. Furthermore, different empirical relations were used to correlate the binary refractive indices. An excellent agreement was found between experimental and theoretical values.
Źródło:
Acta Physica Polonica A; 2007, 111, 6; 847-858
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł

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