169 research outputs found
Petrophysical evaluation and fluid substitution modeling for reservoir depiction of Jurassic Datta Formation in the Chanda oil field, Khyber Pakhtunkhwa, northwest Pakistan
No full textAbstract Petrophysics coupled with rock physics studies are significant in the evaluation of well and field potential, and to construct subsurface models based on rock properties. This case study combines petrophysics and fluid substitution modeling for reservoir characterization of the producing Datta Formation in the Chanda oil field of Kohat Basin. The Datta Formation interval of two wells, Chanda-1, and Chanda Deep-1, is analyzed to calculate petrophysical parameters including gross thickness, net thickness, net to gross ratio (NGR), porosity (PHA), permeability (K), and water saturation (S W). The Datta Formation represents fair to good porosity in the range of 7–13%. Water saturation shows low values lying in the range of 31–36%. The formation is interpreted from gamma ray (GR) log trends, where sand packages dominantly represent a left box-car and irregular trend. Cross-plots, such as density porosity (RHOB-NPHI), gamma ray-density (GR-RHOB), gamma ray-porosity (GR-NPHI), and thorium–potassium (Th–K), were used for lithological identification in the studied wells, and indicated arkosic and micaceous sandstone as the dominant lithology with shale. Evaluation of petrophysical parameters shows that the Datta sands have high hydrocarbon saturation in the area. The fluid substitution modeling was applied to clastics of the Datta Formation for field development. One hydrocarbon-bearing zone (zone 1) was identified in Chanda-1, while four hydrocarbon-bearing zones (zones 1, 2, 3, and 4) were identified in Chanda Deep-1. Fluid substitution results at the Datta level showed that the P-wave velocity and density varied when the hydrocarbon phase was substituted completely with water. With the substitution of brine with oil, there was a change in compressional wave velocity (V p) and a decrease in density (RHOB), while the shear wave velocity (V s) was stable and unaffected by the change of fluid density and saturation. The results of this research could be used to predict saturation types of reservoir using seismic data and to identify pay-zones, and map reservoir saturation to drill for oil and gas
Racializing white residues: seditious Anglo-Indians and others
No full textMy dissertation interrogates the discursive residues of the Anglo-Indian question in decolonized India. To problematize these residues, I structure my dissertation as a fragmented genealogy of colonial and post-colonial perceptions of Anglo-Indians. I open my dissertation by showing how, since the late-nineteenth century, Anglo-Indians were claimed to be only of part-European racial provenance, and tautologically had their bodies deemed sexually deviant. Their bodies being, like those of their non-Anglo-Indian counterparts, in fact of uncertain racial intermixture, I argue that Anglo-Indians inhabit mongrel bodies—bodies in a state of continual flux of class and race, inhabiting a multiplicity of pluralized communities. The ethical end of the decolonized Indian nation-state, I accordingly suggest, is to facilitate the recognition of mongrelism as an inevitable phenomenon across groups—one that fractures monolithic conceptions of race and community. To flesh out this argument, I conduct readings from an archive of novels, historiographic treatises, short stories, memoirs, films, and cartoons. The figures whose texts I examine include, among others, colonial Anglo-Indian ‘prostitute’ Amelia Horne, Anglo-Indian anti-racism activist Cedric Dover, Bengali novelist Sharadindu Bandyopadhyay, diasporic English writer Aubrey Menen, Indian cartoonist Mario Miranda, Bengali film director Satyajit Ray, Anglo-Indian politician and historiographer Frank Anthony, and British-Indian writer Ruskin Bond.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2020-08-01The student, Debojoy Chanda, accepted the attached license on 2018-07-04 at 01:48.The student, Debojoy Chanda, submitted this Dissertation for approval on 2018-07-04 at 02:33.This Dissertation was approved for publication on 2018-07-06 at 10:04.DSpace SAF Submission Ingestion Package generated from Vireo submission #12728 on 2018-09-27 at 11:16:29Made available in DSpace on 2018-09-27T16:30:17Z (GMT). No. of bitstreams: 2
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Previous issue date: 2018-07-06Embargo set by: Seth Robbins for item 107771
Lift date: 2020-09-27T16:30:34Z
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemEmbargo set by: Seth Robbins for item 107771
Lift date: 2020-09-27T16:31:43Z
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemEmbargo set by: Seth Robbins for item 107771
Lift date: 2020-09-27T16:34:29Z
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD systemU of I Only Restriction Lifted for Item 107771 on 2020-09-28T09:15:16Z
Content delivery in software defined networks
No full textInformation Centric Architectures view content as the narrow waist of the networking stack. This abstraction allows routing based on the content name, rather than the network locator of the content consumer and producer. We present ContentFlow, an Information Centric network architecture which supports content routing by mapping the content name to a OpenFlow de ned ow based on TCP and IP semantics. And, thus enables the use of OpenFlow switches to achieve content routing over a legacy IP architecture. ContentFlow is viewed as an evolutionary step between the current IP networking architecture, and a full edged ICN architecture. It supports content man- agement, content caching and content routing at the network layer, while using a legacy OpenFlow infrastructure and a modi ed controller. By e ciently using the content in- formation available in the network, ContentFlow supports e cient tra c engineering. Also, ContentFlow is transparent from the point of view of the client and the server, and can be inserted in between without modi cation at either end. The architecture and implementation of ContentFlow on top of the existing OpenFlow software de ned networking framework is described. Performance of ContentFlow is evaluated using a prototype implementation of an enterprise SDN network with Floodlight controller and multiple virtualized OpenFlow switches. The results show that ContentFlow does result in reduced content access delay in comparison to a legacy architectures.M.S.Includes bibliographical referencesby Abhishek Chand
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Linking classroom learning and research to advance ideas about social-ecological resilience
No full textThere is an increasing demand in higher education institutions for training in complex environmental problems. Such training requires a careful mix of conventional methods and innovative solutions, a task not always easy to accomplish. In this paper we review literature on this theme, highlight relevant advances in the pedagogical literature, and report on some examples resulting from our recent efforts to teach complex environmental issues. The examples range from full credit courses in sustainable development and research methods to project-based and in-class activity units. A consensus from the literature is that lectures are not sufficient to fully engage students in these issues. A conclusion from the review of examples is that problem-based and project-based, e.g., through case studies, experiential learning opportunities, or real-world applications, learning offers much promise. This could greatly be facilitated by online hubs through which teachers, students, and other members of the practitioner and academic community share experiences in teaching and research, the way that we have done here
Identifying Misaligned Inter-Group Links and Communities
No full textMany social media systems explicitly connect individuals (e.g., Facebook or Twitter); as a result, they are the targets of most research on social networks. However, many systems do not emphasize or support explicit linking between people (e.g., Wikipedia or Reddit), and even fewer explicitly link communities. Instead, network analysis is performed through inference on implicit connections, such as co-authorship or text similarity. Depending on how inference is done and what data drove it, different networks may emerge. While correlated structures often indicate stability, in this work we demonstrate that differences, or misalignment, between inferred networks also capture interesting behavioral patterns. For example, high-text but low-author similarity often reveals communities "at war" with each other over an issue or high-author but low-text similarity can suggest community fragmentation. Because we are able to model edge direction, we also find that asymmetry in degree (in-versus-out) co-occurs with marginalized identities (subreddits related to women, people of color, LGBTQ, etc.). In this work, we provide algorithms that can identify misaligned links, network structures and communities. We then apply these techniques to Reddit to demonstrate how these algorithms can be used to decipher inter-group dynamics in social media.</jats:p
Prevalence and determinants of exclusive breastfeeding among lactating mothers in an urban slum, West Tripura: a cross sectional study
No full textBackground: Exclusive breastfeeding is the optimal way to feed children during their first months of life, having important benefits for them and their mothers. Despite of all benefits, the practice of exclusive breastfeeding is quite low and information on influencing factors is limited especially from slum settlements. Objectives was to estimate the prevalence of exclusive breastfeeding and to find out the factors affecting exclusive breastfeeding among lactating mothers in an urban slum, West Tripura.Methods: A cross sectional study was conducted among 200 lactating mothers for a period of six months in an urban slum using structured interview schedule. Eligible mothers were selected by sample random sampling technique. Data has been analyzed by SPSS statistical software version 17.Results: Majority (43%) of the mothers was aged between 21-25 years and 89% were non working mothers. Among the participants, 55.5% were Hindu by religion, 60% belonged to nuclear family and 43.5% had studied up to primary level. The prevalence of exclusive breastfeeding rate among the study mothers were 60.5%. Only parity, place of delivery and number of antenatal check up were significantly associated with exclusive breastfeeding.Conclusions: Exclusive breast feeding (EBF) rate still needs to improve. Community level interventions like awareness programmes on exclusive breastfeeding, health education and behavior change communication among the target group is essential to improve the exclusive breastfeeding rate especially in slum settlements
Alternative flood protections
No full textBASIC CONSIDERATIONS Living in the Fringe (Gilles Saussier) Bangladesh: Local Strategies to Cope with a Hazardous Environment (Susanne Zumstein) CASE STUDIES Alternative Flood Protection Measures: A Critical Outlook (Fazlul Huq Ripon, JCOP) Participatory Wetland Management in Chanda Beel (Saleemul Huq, BCAS) Fisheries Management and Habitat Restoration (Aminullslam, UNOP/CNRS) FURTHER AFIELD Appropriate Disaster Mitigation: Community Participation, Appropriate Technologies and Indigenous Knowledge (Nick Hall/ John Twigg, IT) RESULTSOF THE WORKING GROUPS Working Group 1: LocoI and Technical Strategies for Flood Protection Working Group 2:People's ParticipationKWP-collectio
Social Challenges and Learners' Academic Performance: A Case of Selected Primary Schools in Lusaka District, Zambia
No full textAbstract: Social issues, also called social problem, a state of affairs that negatively affects the personal or social lives of individuals or the well-being of communities or larger groups within a society and about which there is usually public disagreement as to its nature, causes, or solution. Social challenges are common problems in present-day society and one that many people strive to solve. Social challenges are those conditions or behaviors that have negative consequences at the personal and work level. In addition, social challenges are issues and problems facing human beings today. Hence, the study aimed at examining the effects of social challenges on learners’ academic performance in some selected primary schools of Lusaka district, Zambia. The study was guided by the following specific objectives: (a) To identify the common types of social challenges exhibited by learners in selected primary schools of Lusaka district, (b) To examine the effects of social challenges on learners’ academic performance in selected primary schools of Lusaka district and (c) To offer recommendations on how best social challenges can be dealt with in selected primary schools of Lusaka district. Purposive sampling of the site was preferred to select the research area from which respondents participated in this study with a sample size of 140. The study employed both the qualitative and quantitative methods that sampled head teachers, primary teachers, pupils and community members. Interview guides were used to obtain qualitative data which was analyzed using thematic analysis while quantitative data were collected using questionnaires which were analyzed using descriptive statistics. The study found out that, most exhibited social challenges in primary schools were; peer pressure, drug abuse, child abuse, economic background and media influence. The study therefore recommended that teachers should pay special attention and identify different types of social problems among their leaners. Also, the study suggested that leaners should be sensitized fully on how to protect themselves from social challenges, more specifically from issues of child abuse.
Keywords: Academic Performance, Child Abuse, Effect, Learners School and Social Challenges.
Title: Social Challenges and Learners’ Academic Performance: A Case of Selected Primary Schools in Lusaka District, Zambia
Author: Chanda Chansa Thelma
International Journal of Novel Research in Humanity and Social Sciences
ISSN 2394-9694
Vol. 10, Issue 5, September 2023 - October 2023
Page No: 38-49
Novelty Journals
Website: www.noveltyjournals.com
Published Date: 16-September-2023
DOI: https://doi.org/10.5281/zenodo.8351325
Paper Download Link (Source)
https://www.noveltyjournals.com/upload/paper/Social%20Challenges%20and%20Learners’%20Academic-16092023-4.pdfInternational Journal of Novel Research in Humanity and Social Sciences, ISSN 2394-9694, Novelty Journals, Website: www.noveltyjournals.co
INDUCTION OF C- AND G-TYPE BANDS ON IN VIVO METAPHASE CHROMOSOMES OF THREE SPECIES OF LARVIVOROUS FISHES
No full textInduction of C-or G-bands on in vivo metaphase chromosomes in fish is extremely difficult and needs a lot of variations in the pre-treatment schedule. In the present study, C- and G-type bands could be successfully induced in three species of larvivorous fishes, namely, Chanda nama (Fam : Centropomidae), Esomus dan rica and Puntius ticto (Fam : Cyprinidae) by deploying the BSG method with some minor modifications. While C nama showed localization of C-band heterochromatin mostly at or near the centromeric regions of the acrocentric chromosomes, E. danrica had mostly pericentric locations except for 2 to 3 pairs showings the entire chromosome length as C-band positive. On the other hand, P. ticto tended to show blocks of heterochromatin on the whole or one arm of several chromosome pairs (3 to 4 pairs), apart from a few pairs that either had centromeric or telocentric locations. Serial bands could be noted across the whole length of the metaphase chromosome of both C. nama and P. ticta, including several chromosomes showing Cbands as well. However, the G-type bands in E. danrica were not so well-defined, several pairs showing apparently lateral assymetry in band localization
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