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Search Results: 1 - 10 of 144569 matches for " Sushil B. Bajracharya "
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The Thermal Performance of Traditional Residential Buildings in Kathmandu Valley
Sushil B. Bajracharya
Journal of the Institute of Engineering , 2014, DOI: 10.3126/jie.v10i1.10898
Abstract: This paper seeks to investigate into the aspects of thermal performance of traditional residential buildings in traditional settlements of Kathmandu valley. This study proceeds to analyze the detailed field data collected, with a view to identify the indoor thermal environment with respect to outdoor thermal environment in different seasons. This paper also compares the thermal performance of traditional buildings with modern residential buildings of traditional settlements of the valley. There is a regression analysis to obtain information about the thermal environment of different traditional and modern residential buildings with different conditions. The paper concludes that, thermal performance of traditional residential building, adapted in various ways to the changing thermal regime for thermal comfort is better than that of contemporary buildings. DOI: http://dx.doi.org/10.3126/jie.v10i1.10898 Journal of the Institute of Engineering , Vol. 10, No. 1, 2014, ?pp. 172–183
Design and Synthesis of Chiral Spiro Ligands
Gan B. Bajracharya
Journal of Nepal Chemical Society , 2011, DOI: 10.3126/jncs.v28i0.8036
Abstract: Tremendous progress has been made in design and synthesis of chiral spiro ligands and researches in finding their utility have led development of several asymmetric- and organo-catalysis. This review describes recent advances in synthesis of chiral spiro ligands. DOI: http://dx.doi.org/10.3126/jncs.v28i0.8036 Journal of Nepal Chemical Society Vol.28, 2011 1-23 Uploaded date: May 6, 2013 ?
Cytotoxicity, Total Phenolic Content and Antioxidant Activity of Bergenia purpurascens Rhizome
Gan B Bajracharya,Rokesh Maharjan
Nepal Journal of Science and Technology , 2013, DOI: 10.3126/njst.v14i1.8927
Abstract: This study was aimed to evaluate the cytotoxicity of methanolic extract (ME) and aqueous extract (AE) of the rhizomes of Bergenia purpurascens through the Brine-shrimp bioassay, which revealed that ME possessed cytotoxicity with LC 50 = 181.97 ìg/ml value. The plant extracts were also evaluated in vitro for antioxidant activity using different redox [Folin-Ciocalteu (FC) and Ferric Reducing Antioxidant Power (FRAP)] and radical scavenging [(2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2’-azinobis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS)] assays. Both ME and AE possessed antioxidant activity and ME displayed comparatively a greater potential. The total phenolic contents in ME and AE was 1.27 and 0.06 g gallic acid equivalent (GAE)/100 g dry mass (DM), respectively. The FRAP values determined for ME and AE were 15.82 and 2.58 ìmol Fe(II)/100 g DM, respectively. The DPPH radical scavenging effect (IC 50 ) was for ME 19.86 ìg/ml and 295.91 ìg/ml for AE. At 100 ìg/ml concentration, up to 94% inhibition of ABTS + was observed in 6 min incubation. Nepal Journal of Science and Technology Vol. 14, No. 1 (2013) 87-94 DOI: http://dx.doi.org/10.3126/njst.v14i1.8927
Parietal Epidural Dermoid Mimicking a Scalp Abscess in an Infant: Case Report
Yam B Roka,A Bajracharya,K Shrestha,S Khaniya
Journal of Nepal Paediatric Society , 2009, DOI: 10.3126/jnps.v29i2.2048
Abstract: Scalp masses that involve the scalp or the cranium especially over the parietal bone are uncommon presentation in infants. We report a case of an 8-week old female child who presented with a left parietal scalp mass which had been progressively increasing since birth. CT scan revealed the mass extending into the cranium with underlying bone defect over the parietal area, with medial extension till the sagittal suture. Intraoperatively there was presence of thick white infected flaky material with small tufts of hair which was removed completely till the bone edges and from the epidural space. There was no recurrence postoperatively and the baby was discharged after a week of antibiotics. This case provides an example that simple looking scalp masses in infants and children should be managed with caution to prevent further morbidity. Key words: Dermoid, Scalp abscess ? doi: 10.3126/jnps.v29i2.2048 J. Nepal Paediatr. Soc. Vol 29, No. 2, pp.98-100
Prevalence of Dry Eye and Its Association with Various Risk Factors in Rural Setup of Western Uttar Pradesh in a Tertiary Care Hospital  [PDF]
Ravi Ranjan, Sushil Kumar Shukla, Chandra Veer Singh, B. N. Mishra, Sriti Sinha, B. D. Sharma
Open Journal of Preventive Medicine (OJPM) , 2016, DOI: 10.4236/ojpm.2016.61005
Abstract: Purpose: To study the prevalence of dry eye in a hospital based population of rural setup and to evaluate its association with various risk factors. Material and Methods: In this cross sectional study, patients above 20 years of age were screened randomly for dry eye. An 8 points questionnaires, slit lamp examination of meibomian glands, tear film breakup time, fluorescein staining of cornea, schirmer test were used to diagnose dry eye. The diagnosis was made when three of the five parameters were positive. The role of various occupations as well as role of different exposure factors like sunlight, excessive wind, smoking, drugs, and air pollution as dry eye risk factors was accessed. Result: Out of 445, 45.39% patients had dry eye. Dry eye prevalence was higher in those above 70 years of age (74%). It was higher in male population (51.82%) compare to female population (37.37%), nearly equal in rural (46.04%) and urban population (44.31%) and highest among factory workers (90%). Correlation of dry eye with drugs (P = 0.0002), sunlight/high temperature (P = 0.0003) and smoking (P = 0.03) were significant. Conclusion: This is a hospital based study which provides prevalence of dry eye in rural region of western Uttar Pradesh. It is more common in old age male population and significantly higher in factory workers. Out of different modifiable risk factors most important are drugs, sunlight/high temperature and smoking.
On Quotient modules of $H^2(\mathbb{D}^n)$: Essential Normality and Boundary Representations
B. Krishna Das,Sushil Gorai,Jaydeb Sarkar
Mathematics , 2014,
Abstract: Let $\mathbb{D}^n$ be the open unit polydisc in $\mathbb{C}^n$, $n \geq 1$, and let $H^2(\mathbb{D}^n)$ be the Hardy space over $\mathbb{D}^n$. For $n\ge 3$, we show that if $\theta \in H^\infty(\mathbb{D}^n)$ is an inner function, then the $n$-tuple of commuting operators $(C_{z_1}, \ldots, C_{z_n})$ on the Beurling type quotient module $\mathcal{Q}_{\theta}$ is not essentially normal, where \[\mathcal{Q}_{\theta} = H^2(\mathbb{D}^n)/ \theta H^2(\mathbb{D}^n) \quad \mbox{and} \quad C_{z_j} = P_{\mathcal{Q}_{\theta}} M_{z_j}|_{\mathcal{Q}_{\theta}}\quad (j = 1, \ldots, n).\] Rudin's quotient modules of $H^2(\mathbb{D}^2)$ are also shown to be not essentially normal. We obtain a complete characterization for essential normality of doubly commuting quotient modules of an analytic Hilbert module over $\mathbb{C}[z_1, \ldots, z_n]$. Finally, we prove several results concerning boundary representations of $C^*$-algebras corresponding to different classes of quotient modules including doubly commuting quotient modules, and homogenous quotient modules.
Minimum angle of rotation required for Jordan product to be indefinite
N. Bajracharya
International Journal of Algebra , 2012,
Abstract:
Simulation of Temperature Stratification in Atriums: Validation of Basic Model Features
Susan Bajracharya
Journal of the Institute of Engineering , 2014, DOI: 10.3126/jie.v10i1.10897
Abstract: Data on climate conditions, internal temperature conditions and building features were used to deter mine the relative effect of building features on heat gains and losses in a naturally ventilated atrium located at Groningen, Netherlands. Temperature estimates obtained by simulation were compared with measured data. It was found that food estimates of thermal stratification could be obtained by dividing the atrium into horizontal subzones. Mass flow modeling and time steps of less than one hour were found to be important features. DOI: http://dx.doi.org/10.3126/jie.v10i1.10897 Journal of the Institute of Engineering , Vol. 10, No. 1, 2014, pp. 157–171
Challenges and Opportunities in Atrium Buildings: A Review
Susan Bajracharya
Journal of the Institute of Engineering , 2013, DOI: 10.3126/jie.v9i1.10671
Abstract: One of the most significant problems regarding the space conditioning of atriums is their relatively large volumes compared with traditional commercial and institutional spaces. This may lead to high energy consumption, if atriums are fully conditioned unless effective design strategies are implemented. Most people perceive atriums as indoor environments, not as outdoor or intermediate environments and therefore demand high comfort levels. It is often very difficult to achieve high thermal comfort and low energy consumption at same time. A 1 °C decrease in indoor temperature in winter will decrease energy consumption by 5 %. If people are aware of such relationships, it might lead them to accept atriums with lower temperatures in winter and higher temperature in summer and wear appropriate clothing while in atrium spaces, thus achieving considerable savings in energy use. DOI: http://dx.doi.org/10.3126/jie.v9i1.10671 Journal of the Institute of Engineering , Vol. 9, No. 1, pp. 65–68
Comparison of Maxillary and Mandibular Incisor Inclination in Class II Division 1 Malocclusion among Chinese Children
Manju Bajracharya
Orthodontic Journal of Nepal , 2013, DOI: 10.3126/ojn.v3i2.10074
Abstract: Objective: To determine maxillary and mandibular incisor inclination in Class II Division 1 malocclusion among different vertical skeletal type Chinese children.
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