cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
FACTORS ASSOCIATED WITH OBSTRUCTED LABOUR AND  IMMEDIATE OUTCOMES AMONG MOTHERS WHO GAVE BIRTH AT  ARBA MINCH GENERAL HOSPITAL, SNNPR, ETHIOPIA
Creators: name: EYERUS SOLOMON
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2010

description: Background: Obstructed  labor  is  one  of  the  most  preventable  causes  of  maternal&  prenatal
morbidity and mortality. Worldwide obstructed labor occurs in an estimated 5 % of pregnancies
and accounts for an estimated 8% of maternal deaths and 13% in Ethiopia. It is an indicator of
inadequacy  &  poor  quality  of  obstetric  care  and  associated  with  high  prenatal  morbidity  &
mortality.  However,  there  is  scarcity  of  information  on  magnitudes  and  associated factors  of
obstructed labor in Ethiopia in general and Gamo Gofa Zone in particular. Therefore, the current
study was aimed at filling these gaps.
Objective: The main objective of the study was to determine factors associated with obstructed
labor and immediate outcomes among mothers who gave birth at Arba Minch General Hospital,
SNNPR, Ethiopia from September 1/2016 to August 30/2017
Methods:   Institutionbased  cross-sectional  study  was  conducted  from  September  01/  2016  to
August 30/2017 at Arba Minch Hospital. Systematic random sampling technique was used to get
the sample size of 345. A pre- test structured questionnaire and checklist will be used to collect
the  data.  Descriptive  statistic  was  used  to  summarize  socio-demographic  factors  and  delivery
characteristics. Epi Info version 7 and SPSS version 21 software package was used for data entry
and analysis respectively. Using multiple logistic regression analysis, Odds ratio and confidence
interval were used to determine statistically associated risk factors with obstructed labor.
Results: Of  345  mothers  during  the  study  period  the  proportion  of  obstructed  labor  among
laboring  mothers  was  6.1%.The  independent  predictors  of  obstructed  labor   using  logistic
regression were rural residency ( p-value = 0.002 , AOR = 12.83, 95% CI: 2.54 - 64.711), being
self-referral  (P-value=0.003, AOR=0.11, 95% CI: 0.026 -0.466),Age group of 20-29 ((P-value =
0.014,  AOR  =  0.102,  95%  CI:  0.016 – 0.634), labor  duration  more  than  24  hour  (  p-value  =
0.001 , AOR = 13.234, 95% CI: 3.825 -45.786) and fetal weight greater than 4kg ( p-value =
0.005 , AOR = 8.681, 95% CI: 1.903 – 39.589).The study shows the immediate out comes of
obstructed labor identified were Uterine rupture (52.3%) and PPH (33.3%).It has also showed
that,  61.8%  of  the  babies  born to  mothers  with obstructed  labor  were  either  stillbirths  or  died
immediately after delivery.
Conclusion and Recommendation: The  socio -demographic factor;  rural  residency and  obstetric
factors  increase  the  risk  of  obstructed  labor  and  resulted  poor  maternal  and  fetal
outcome.Comprehensive obstetric care in nearby health institutions are recommended to prevent
obstructed labor and its complications.
Additional file 1 of The burden of household out-of-pocket healthcare expenditures in Ethiopia: a systematic review and meta-analysis
Creators: name: Borde, Moges Tadesse
name: Kabthymer, Robel Hussen
name: Shaka, Mohammed Feyisso
name: Abate, Semagn Mekonnen
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 1. Completed PRISMA 2020 checklist. The checklist was used to highlight the important components addressed while preparing this manuscript of systematic review and meta-analysis.
The making of a “peaceable kingdom” : land, peopling and progress in an expanding Canada
Creators: name: Choquette, Éléna
Publisher: name: University of British Columbia
Year: 2019

description: My dissertation mobilises the tools of critical political theory to study the processes of land appropriation and cultural homogenisation over lands claimed by Canada in the development of the Canadian state and identity. I examine the justifications for Canadian attempts at incorporating non-Canadian lands and peoples by using the case of the “North-West” (now the Prairie provinces). Adopting James Tully’s critical approach to political philosophy, I scrutinise hundreds of parliamentary and governmental archival documents. These documents reveal that the Canadian state mobilised liberal concepts of peace and progress to justify Canadian territorial and political expansion. I argue that Canada authorised its appropriation of Indigenous lands by claiming that it alone could improve the lands it looked to incorporate. To the extent that Canadian colonial liberalism regarded the Indigenous Peoples of the North-West as requiring the protection and assistance of the Dominion in achieving higher forms of humanity, colonial liberalism also authorised the epistemic violence of their assimilation to emerging settle communities. In short, I show that the Canadian state used colonial liberalism to effect the dispossession and assimilation of Indigenous Peoples necessitated by that its territorial and political development. By bringing into view the violence implicated in Canadian development, this dissertation first challenges the hegemony of the Canadian state and nation as those of a “Peaceable Kingdom”. Secondly, this dissertation uses Canadian political thinking to illuminate the larger liberal tradition. By examining the roots of liberalism in the process of territorial expansion and settlement in Canadian political development, I expose the intimate connection between liberalism and settler colonisation and surface the intrinsically violent potential of liberalism. Finally, this research identifies the potential for exclusion that is built into the liberal tradition and has to be addressed if Canada is to reconcile with the needs and aspirations of Indigenous Peoples. In particular, I argue that the contemporary Canadian liberal regime should redress its exclusionary legacy by supporting land-based practices of Indigenous self-government.
PREVALENCE  AND FACTORS  ASSOCIATED  WITH  LOW  BIRTH  WEIGHT IN ARBAMINCH GENERAL HOSPITAL, GAMO GOFA ZONE,  SNNPR, ETHIOPIA
Creators: name: YOHANNES AMSALU
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2017

description: Low birth weight is defined as birth weight less than 2500g. More than 20 million infants
are born worldwide each year weighing less than 2500 g and according to Ethiopian Demographic and
Health Survey,it accounts for 11%. Birth weight plays an important role in infant mortality and morbidity,
development,  and  future  health  of  the  child.  Weight  at  birth  is  directly  influenced  by  general  level  of
health status of the mother. Magnitude of low birth weight in Ethiopia remained higher despite different
efforts to reduce it and this might have resulted from the fact that factors identified to be associated with
low birth weight in some studies arenot modifiable, rendering difficulty of designing strategy to address
it. This study was aimed at assessing factors associated with low birth weight so that earlier prevention is
possible.
Objectives: The objective of the study was to assess the prevalence and factors associated with low birth
weight in Arbaminch general hospital in 2009 E.C.
Methods and materials: A facility based cross-sectional study design was used from August to
December, 2017 G.C.A total of 379 mothers who delivered in Arbaminch general hospital in 2009 E.C
wereincluded in the study using systematic random sampling technique. Semi-structured and pretested
checklist was used to collect the data from the mother’s folder. Data entry was performed using Epinfo7
and analyzedby SPSS version 21. Bivariate and multivariate statistical methods were utilized.
Result:  The  overall  prevalence  of  low  birth  weight  in  the  study  is  8.2%  with mean  birth  weight of
3258.42 ± 658.52 g.Out of 379 mothers, 52.8% delivered male and 50.9% of the mothers from the study
were from urban area. In the LBW group, female neonates were higher (64.5%) and majority (71.0%) of
the mothers were rural residents. The mean mothers’ age was 24.8 ± 4.5 years with a range of 16 to
41.The following factors were shown to have significant association with LBW: Being preterm (AOR =
4.4; (95 % CI = 0.008–0.227; p< 0.001), having only one ANC contact (AOR = 8.6; (95 % CI =
1.77–4.17;  p=0.008)  and  vaginal  bleeding  before  labor  (AOR  =  4.2;  (95  %  CI  = 6.05–8.64;
p<0.001).
Conclusion: According to the findings of this study factors associated with LBW are: being delivered at
preterm  gestational  age, having  only  one  ANC  contactand  vaginal  bleeding  prior  to  labor  onset.
Therefore interventions to increase awareness on benefits of ANC, providing quality ANC service which
would in turn result in prevention of preterm delivery and vaginal bleeding are important to decrease LBW
magnitude.
title: ÐÐ½Ð°Ð»Ð¸Ð· ÑÑÑÐ°Ð½Ð¾Ð²Ð¸Ð²ÑÐ¸Ñ ÑÑ Ð¸ Ð¿ÐµÑÐµÑ Ð¾Ð´Ð½ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð¾Ð² Ð² ÑÐ¸ÑÑÐµÐ¼Ðµ ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ 330/220 ÐºÐ
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Analysis of steady and transient modes in the power supply system 330/220 kV
Creators: name: ÐÐµÐ½Ð¸ÑÐ¾Ð², ÐÐ°Ð²ÐµÐ»
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2022
Subjects: ÑÑÑÐ°Ð½Ð¾Ð²Ð¸Ð²ÑÐ¸Ð¹ÑÑ ÑÐµÐ¶Ð¸Ð¼
Ð½ÐµÑÐ¸Ð¼Ð¼ÐµÑÑÐ¸ÑÐ½Ð¾Ðµ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ðµ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ðµ
Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ°Ñ ÑÑÑÐ¾Ð¹ÑÐ¸Ð²Ð¾ÑÑÑ
ÐºÐ¾Ð¼Ð¿ÐµÐ½ÑÐ¸ÑÑÑÑÐ¸Ðµ ÑÑÑÑÐ¾Ð¹ÑÑÐ²Ð°
ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½ÐµÑÐ³ÐµÑÐ¸ÑÐµÑÐºÐ°Ñ ÑÐ¸ÑÑÐµÐ¼Ð°
steady state
asymmetric short circuit
dynamic stability
compensating devices
electric power system

description: Ð Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ°Ð±Ð¾ÑÐµ Ð±ÑÐ» Ð¿ÑÐ¾Ð¸Ð·Ð²ÐµÐ´ÐµÐ½ Ð°Ð½Ð°Ð»Ð¸Ð· ÑÐ¸ÑÑÐµÐ¼Ñ ÑÐ»ÐµÐºÑÑÐ¾ÑÐ½Ð°Ð±Ð¶ÐµÐ½Ð¸Ñ 330/220 ÐºÐ, ÐºÐ¾ÑÐ¾ÑÑÐ¹ ÑÐ¾ÑÑÐ¾Ð¸Ñ Ð¸Ð· 6 Ð³Ð»Ð°Ð². ÐÑÐ±Ð¾Ñ Ð¸ Ð¿ÑÐ¾Ð²ÐµÑÐºÐ° ÑÐ¸Ð»Ð¾Ð²Ð¾Ð³Ð¾ Ð¾Ð±Ð¾ÑÑÐ´Ð¾Ð²Ð°Ð½Ð¸Ñ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¸ ÑÐµÑÐµÐ½Ð¸Ñ Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¾Ð² Ð²Ð¾Ð·Ð´ÑÑÐ½ÑÑ Ð»Ð¸Ð½Ð¸Ð¹; Ð°Ð½Ð°Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ°ÑÑÐµÑ ÑÑÑÐ°Ð½Ð¾Ð²Ð¸Ð²ÑÐµÐ³Ð¾ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð°; ÑÐ°ÑÑÐµÑ ÑÑÑÐ°Ð½Ð¾Ð²Ð¸Ð²ÑÐµÐ³Ð¾ÑÑ ÑÐµÐ¶Ð¸Ð¼Ð° Ð² Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð¼ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐµ RastrWin3 Ð² ÑÐµÐ¶Ð¸Ð¼Ð°Ñ Ð¼Ð°ÐºÑÐ¸Ð¼Ð°Ð»ÑÐ½ÑÑ Ð¸ Ð¼Ð¸Ð½Ð¸Ð¼Ð°Ð»ÑÐ½ÑÑ Ð½Ð°Ð³ÑÑÐ·Ð¾Ðº; Ð°Ð½Ð°Ð»Ð¸ÑÐ¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ°ÑÑÐµÑ Ð½ÐµÑÐ¸Ð¼Ð¼ÐµÑÑÐ¸ÑÐ½Ð¾Ð³Ð¾ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ Ð² Ð·Ð°Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¾ÑÐºÐµ ÑÐ¸ÑÑÐµÐ¼Ñ; ÑÐ°ÑÑÐµÑ Ð½ÐµÑÐ¸Ð¼Ð¼ÐµÑÑÐ¸ÑÐ½Ð¾Ð³Ð¾ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð³Ð¾ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ñ Ð² Ð·Ð°Ð´Ð°Ð½Ð½Ð¾Ð¹ ÑÐ¾ÑÐºÐµ ÑÐ¸ÑÑÐµÐ¼Ñ Ð² Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð¼ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐµ EMTP; ÑÐ°ÑÑÐµÑ Ð´Ð¸Ð½Ð°Ð¼Ð¸ÑÐµÑÐºÐ¾Ð¹ ÑÑÑÐ¾Ð¹ÑÐ¸Ð²Ð¾ÑÑÐ¸ ÑÐ¸ÑÑÐµÐ¼Ñ Ð¸ Ð¼ÐµÑÐ¾Ð´Ñ Ð¿Ð¾Ð²ÑÑÐµÐ½Ð¸Ñ ÑÑÑÐ¾Ð¹ÑÐ¸Ð²Ð¾ÑÑÐ¸ Ð¿ÑÐ¸ ÐºÐ¾Ð½ÐµÑÐ½Ð¾Ð¼ Ð²Ð¾Ð·Ð¼ÑÑÐµÐ½Ð¸Ð¸ (Ð´Ð²ÑÑÑÐ°Ð·Ð½Ð¾Ð¼ ÐºÐ¾ÑÐ¾ÑÐºÐ¾Ð¼ Ð·Ð°Ð¼ÑÐºÐ°Ð½Ð¸Ð¸) Ð² Ð¿ÑÐ¾Ð³ÑÐ°Ð¼Ð¼Ð½Ð¾Ð¼ ÐºÐ¾Ð¼Ð¿Ð»ÐµÐºÑÐµ Dymola.
description: In this work, an analysis of the 330/220 kV power supply system was made, which consists of 6 chapters. Selection and verification of the power equipment of the system and the cross-section of wires of overhead lines; analytical calculation of the steady state; calculation of the steady state in the RastrWin3 software package in the modes of maximum and minimum loads; analytical calculation of an asymmetric short circuit at a given point in the system; calculation of an asymmetric short circuit at a given point of the system in the EMTP software package; calculation of the dynamic stability of the system and methods for improving stability in the event of a finite disturbance (two-phase short circuit) in the Dymola software package.
title: Механохимический синтез этоксилированных производных гуминовых и ароматических кислот
Creators: name: Макарова, Раиса
name: Семенова, Римма
name: Хилько, Светлана
name: Рогатко, Марина
name: Невечеря, Оксана
name: Хилько, Алексей
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2020

description: Получены этоксилированные производные природных полимеров — гуминовых кислот — методом механохимического синтеза в вибрационном аппарате. Строение и физико-химические свойства полученных макромолекул изучены методами ИК, УФ спектроскопии и потенциометрического титрования. Определена их средняя молекулярная масса. На основании приведенных данных было показано, что в результате механохимической реакции происходит введение в структуру макромолекулы ГК оксиэтиленовых групп (-СН2-СН2-О-СН2-СН2-). Процесс механохимического этоксилирования гуминовых кислот был смоделирован на примере механохимического взаимодействия бензойной и гидрокоричной кислот с полиэтиленгликолем. Результаты исследования показали, что реакции этоксилирования бензойной, гидрокоричной и гуминовой кислот могут протекать по карбоксильным группам.
Sorption of per- and poly-fluoroalkyl substances and their precursors on activated carbon under realistic drinking water conditions: Insights into sorbent variability and PFAS structural effects
Creators: name: Sadia, Mohammad
name: Berut, Lola
name: Pranic, Marko
name: van Wezel, Annemarie
name: ter Laak, Thomas
Publisher: name: Zenodo
Year: 2024

description: Abstract:

Recent stringent drinking water quality standards create challenges for water utilities to meet these standards. Advanced treatment techniques will have to be applied on many drinking water production locations to meet these quality standards. This study investigated the sorption of per- and polyfluorinated-alkyl substances (PFAS) onto granular activated carbon (GAC). The study was performed at environmentally relevant PFAS concentrations and a realistic water-to-GAC ratio, providing a realism often overlooked in existing studies. Three different forms of GAC were evaluated, differing in micropore and mesopore structures. Tap water spiked with 5 ng/L of each of 31 PFAS was used in the sorption experiments, i.e. perfluorocarboxylic acids (C4-C12), perfluorosulfonic acids (PFSA, C5-C10) including linear and branched isomers, and three groups of PFAS precursors (per-/polyfluoroalkyl ether acids, sulfonamides, and sulfonamide acetic acids).

The three studied GAC did not exhibit distinct differences in PFAS sorption. The removal of PFAS was below 50% for most studied PFAS, except for the short-chain PFAS precursors. Sorption was affected by both the carbon chain length and functional groups for PFAS, while this was not observed for PFAS precursors. The presence of ether linkages and sulfonamide groups notably enhanced sorption. Linear and branched PFSA demonstrated similar sorption behavior, whereas branched isomers of the sulfonamide acetic acid precursors exhibited significantly higher sorption. This indicates that sorption was determined by both hydrophobic and electrostatic interactions.

Given the relatively low PFAS removal by GAC under environmentally relevant test conditions, further improvements in sorbents are required to ensure that PFAS concentrations in produced drinking water comply with drinking water standards.

 

Keywords

PFAS and PFAS precursor sorption

GAC

Reactivated GAC

Sorption mechanisms

Drinking water production
description: This submission contains the following materials:

Main Manuscript.

Supplementary Information.

Excel File: data presented in the Table S4. Percentage sorbed of individual PFAS on the three studied GAC for individual exposure times (1, 5, 24, 96, 240 h) and the time-averaged sorption of 1h to 240h (Av). Data represents triplicate samples, with standard deviation indicated in parentheses
Context Awarw Mobile Initiated Handoff for Performance Improvement in IEEE 802.11 Networks
Creators: name: Sarma, Abhijit
name: Joshi, Shantanu
name: Nandi, Sukumar
Publisher: name: arXiv
Year: 2011
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: IEEE 802.11 is a widely used wireless LAN standard which offers a good bandwidth at low cost In an ESS, multiple APs can co-exist with overlapping coverage area. A mobile node connects to the AP from which it receives the best signal. Changes in traffic to and from different MNs occur over time. Load imbalance may develop on different APs. Throughput and delay of the different flows passing through the APs, where the load has increased beyond certain limit, may degrade. Different MNs associated to the overloaded APs will experience performance degradation. Overall performance of the ESS will also drop. In this paper we propose a scheme where MNs experiencing degraded performance will initiate action and with assistance from the associate AP perform handoff to less loaded AP within its range to improve performance.
description: 19 pages, 14 figures
Least squares deconvolution of the stellar intensity and polarization spectra
Creators: name: Kochukhov, O.
name: Makaganiuk, V.
name: Piskunov, N.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Least squares deconvolution (LSD) is a powerful method of extracting high-precision average line profiles from the stellar intensity and polarization spectra. Despite its common usage, the LSD method is poorly documented and has never been tested using realistic synthetic spectra. In this study we revisit the key assumptions of the LSD technique, clarify its numerical implementation, discuss possible improvements and give recommendations how to make LSD results understandable and reproducible. We also address the problem of interpretation of the moments and shapes of the LSD profiles in terms of physical parameters. We have developed an improved, multiprofile version of LSD and have extended the deconvolution procedure to linear polarization analysis taking into account anomalous Zeeman splitting of spectral lines. This code is applied to the theoretical Stokes parameter spectra. We test various methods of interpreting the mean profiles, investigating how coarse approximations of the multiline technique translate into errors of the derived parameters. We find that, generally, the Stokes parameter LSD profiles do not behave as a real spectral line with respect to the variation of magnetic field and elemental abundance. This problem is especially prominent for the Stokes I variation with abundance and Stokes Q variation with magnetic field. At the same time, the Stokes V LSD spectra closely resemble profile of a properly chosen synthetic line for the magnetic field strength up to 1 kG. We conclude that the usual method of interpreting the LSD profiles by assuming that they are equivalent to a real spectral line gives satisfactory results only in a limited parameter range and thus should be applied with caution. A more trustworthy approach is to abandon the single-line approximation of the average profiles and apply LSD consistently to observations and synthetic spectra.
description: Accepted for publication in Astronomy & Astrophysics; 15 pages, 12 figures; second version includes minor language corrections
Additional file 3 of The burden of household out-of-pocket healthcare expenditures in Ethiopia: a systematic review and meta-analysis
Creators: name: Borde, Moges Tadesse
name: Kabthymer, Robel Hussen
name: Shaka, Mohammed Feyisso
name: Abate, Semagn Mekonnen
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 3. The Joanna Briggs Institute’s (JBI) standardized critical appraisal tools or checklist used to assess the trustworthiness, relevance, and results of published papers_2017.
A Survey on Open Radio Access Networks: Challenges, Research Directions, and Open Source Approaches
Creators: name: Azariah, Wilfrid
name: Bimo, Fransiscus Asisi
name: Lin, Chih-Wei
name: Cheng, Ray-Guang
name: Nikaein, Navid
name: Jana, Rittwik
Publisher: name: arXiv
Year: 2022
Subjects: subject: Networking and Internet Architecture (cs.NI)
subject: FOS: Computer and information sciences

description: The open radio access network (RAN) aims to bring openness and intelligence to the traditional closed and proprietary RAN technology and offer flexibility, performance improvement, and cost-efficiency in the RAN deployment and operation. This paper provides a comprehensive survey of the open RAN development. We briefly summarized the RAN evolution history and the state-of-the-art technologies applied in open RAN. The open RAN-related projects, activities, and standardization is then discussed. We then summarize the challenges and future research directions required to support the open RAN. Finally, we discuss some solutions to tackle these issues from the open source's perspective.
description: This paper is accepted and to be published by MPDI Sensors, 2024
title: Обеспечение экологической безопасности полигонов ТКО с применением волоконно-оптических датчиков на основе оксифторидных стекол, полученных методом ионного обмена
Creators: name: Плешанов, Илья
name: Кошевой, Вениамин
name: Тимченко, Антон
name: Шеримов, Данияр
name: Васильченко, Артемий
name: Белорус, Антон
name: Агафонова, Дарина
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2020

description: Эффективным и перспективным средством обеспечения безопасности полигонов ТКО являются оптические датчики, применяемые для контроля температуры и детектирования электрической искры. В данной работе были исследованы оксифторидные стёкла следующего состава: SiO2 (40) –AlF3 (5) –PbF2 (18) - CdF2 (29) –ZnF2 (5) с добавкой AgNO3 (4). Стекла были синтезированы методом ионного обмена. Интенсивность люминесценции при нагреве от 30—200°С изменяется в 8 раз. Определена чувствительность оксифторидного стекла с молекулярными кластерами серебра, которая составляет 0,051 дБ/°С. Использование оптических датчиков искры и оптических датчиков температуры в совокупности дает полноценную информационную картину происходящего в местах их установки на полигонах ТКО.
Models for Pairing Phenomena
Creators: name: Sun, Xiang-Xiang
name: Zhou, Shan-Gui
Publisher: name: arXiv
Year: 2022
Subjects: subject: Nuclear Theory (nucl-th)
subject: FOS: Physical sciences

description: Pairing effects manifests themselves in many aspects in nuclear systems ranging from finite nuclei to nuclear matter and compact stars. Although with some specific features for nuclear systems, the mechanism of pairing between nucleons in these systems resembles that of electrons in superconductors. The Bardeen-Cooper-Schrieffer (BCS) theory, the first successful and microscopic theory for superconductivity, and the Bogoliubov transformation, the generalization of the BCS theory, have been widely used to describe pairing correlations in nuclear systems. To deal with the problem of particle number non-conservation in the BCS method and generalized Bogoliubov transformation, particle number projection techniques as well as several approaches which keep the particle number conserved, have been proposed. In the study of exotic nuclei, which are quantum open systems, the continuum contributions have to be taken into account. In this chapter, a thorough but brief discussion of pairing effects in nuclear systems will be introduced. Then nuclear models dealing with pairing correlations in nuclear structure properties will be presented to different extent of details. Although formulas are given, the emphasis is mainly put on the basic ideas concerning these models.
description: Contribution to the "Handbook of Nuclear Physics", Springer, 2022, edited by I. Tanihata, H. Toki, and T. Kajino. 32 pages, 5 figures, and 1 table
Additional file 4 of The burden of household out-of-pocket healthcare expenditures in Ethiopia: a systematic review and meta-analysis
Creators: name: Borde, Moges Tadesse
name: Kabthymer, Robel Hussen
name: Shaka, Mohammed Feyisso
name: Abate, Semagn Mekonnen
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: FOS: Biological sciences
subject: Science Policy

description: Additional file 4. A modified version of ‘The Newcastle-Ottawa Scale (NOS)’ quality assessment scale.
Developing pyrometric and chemiluminescence optical diagnostics for investigation of modern alternative CI engine combustion strategies
Creators: name: Khosravi, Mahdiar
Publisher: name: University of British Columbia
Year: 2019

description: Its inherent economic and environmental advantages as a compression ignition (CI) engine fuel make natural gas (NG) an attractive alternative to diesel fuel. Limited optical studies of the NG combustion strategies have been reported in literature. The current work focused on developing optical characterization techniques to study in-cylinder processes in cleaner combustion strategies, such as those involving natural gas. An experimental facility supporting optical diagnostics via a Bowditch piston arrangement in a 2-litre, single-cylinder research engine was used in this study. In order to facilitate quantitative soot analysis for low soot combustion strategies, the performance of the pyrometric method was improved by nearly 40% increase in the resolved signal fraction through modifications in numerical algorithm, calibration and implementation of the method, and image processing. The enhanced pyrometry method was implemented simultaneously with high-speed OH* chemiluminescence imaging to pilot-ignited direct-injected natural gas (PIDING) combustion for the first time. The results revealed that a standard PIDING operation can be characterized by low-sooting non-premixed combustion of the NG along the jet axes and of a partially-premixed charge at the wall region, followed by onset of detectable soot at the points of NG jet impingement on the bowl wall. This results in formation of a soot cloud adjacent to the wall, which then grows towards the center with continued soot formation and reflected momentum of the NG jets impinging on the bowl wall. The relative timing between NG injection pulse and peak HRR, and the P_inj, showed strong influence in the rate and extent of soot formation and peak concentration levels. Rugged probe designs afford optical measurements from all-metal engines. Comparisons between 2D and probe based 0D pyrometry measurements were made under optical engine configuration, for the first time, to better characterize the 0D probe signal. The 2D and 0D results showed reasonable agreements, especially when field-of-view geometry differences were taken into account. 0D two-color pyrometry measurements in an all-metal engine led to similar conclusions on soot in-cylinder processes, albeit with signs of enhanced late-cycle soot oxidation, attributed to the conventional omega shaped piston bowl geometry.
Additional file 1 of Pleasant touch perception in borderline personality disorder and its relationship with disturbed body representation
Creators: name: Löffler, Annette
name: Kleindienst, Nikolaus
name: Neukel, Corinne
name: Bekrater-Bodmann, Robin
name: Flor, Herta
Publisher: name: figshare
Year: 2022
Subjects: subject: Neuroscience
subject: Physiology
subject: FOS: Biological sciences
subject: Sociology
subject: FOS: Sociology
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. Development of a German set of qualitative descriptors for pleasant touch perception.
title: Исследование отложений при стенозе сосудов и синтез их аналогов
Creators: name: Правильникова, Татьяна
name: Голованова, Ольга
name: Бережной, Константин
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2020

description: Эффективным и перспективным средством обеспечения безопасности полигонов ТКО являются оптические датчики, применяемые для контроля температуры и детектирования электрической искры. В данной работе были исследованы оксифторидные стёкла следующего состава: SiO2 (40) –AlF3 (5) –PbF2 (18) - CdF2 (29) –ZnF2 (5) с добавкой AgNO3 (4). Стекла были синтезированы методом ионного обмена. Интенсивность люминесценции при нагреве от 30—200°С изменяется в 8 раз. Определена чувствительность оксифторидного стекла с молекулярными кластерами серебра, которая составляет 0,051 дБ/°С. Использование оптических датчиков искры и оптических датчиков температуры в совокупности дает полноценную информационную картину происходящего в местах их установки на полигонах ТКО.
Sign-changing solutions of competition-diffusion elliptic systems and optimal partition problems
Creators: name: Tavares, Hugo
name: Terracini, Susanna
Publisher: name: arXiv
Year: 2011
Subjects: subject: Analysis of PDEs (math.AP)
subject: FOS: Mathematics
subject: 35A15, 35B40, 35J47, 49J35

description: In this paper we prove the existence of infinitely many sign-changing solutions for the system of $m$ Schrödinger equations with competition interactions $$ -Δu_i+a_i u_i^3+βu_i \sum_{j\neq i} u_j^2 =λ_{i,β} u_i \quad u_i\in H^1_0(Ω), \quad i=1,...,m $$ where $Ω$ is a bounded domain, $β>0$ and $a_i\geq 0\ \forall i.$ Moreover, for $a_i=0$, we show a relation between critical energies associated with this system and the optimal partition problem $$ \mathop{\inf_{ω_i\subset Ω\text{open}}}_{ω_i\cap ω_j=\emptyset\forall i\neq j} \sum_{i=1}^{m} λ_{k_i}(ω_i), $$ where $λ_{k_i}(ω)$ denotes the $k_i$--th eigenvalue of $-Δ$ in $H^1_0(ω)$. In the case $k_i\leq 2$ we show that the optimal partition problem appears as a limiting critical value, as the competition parameter $β$ diverges to $+\infty$.
description: 25 pages
The Dirac Sea
Creators: name: Dimock, J.
Publisher: name: arXiv
Year: 2010
Subjects: subject: Mathematical Physics (math-ph)
subject: FOS: Physical sciences
subject: 81T99

description: We give an alternate definition of the free Dirac field featuring an explicit construction of the Dirac sea. The treatment employs a semi-infinite wedge product of Hilbert spaces. We also show that the construction is equivalent to the standard Fock space construction.
description: 7 pages
Additional file 1 of Differences between Staphylococcus aureus nasal carriage and IgE-sensitization to Staphylococcus aureus enterotoxin on risk factors and effects in adult population
Creators: name: Park, Han-Ki
name: Yoo, Seok-Ju
name: Kim, Taek Soo
name: Kim, Byung-Keun
name: Jang, Sekyung
name: Kim, Sung Yeon
name: Lee, Kwan
Publisher: name: figshare
Year: 2022
Subjects: subject: Medicine
subject: Microbiology
subject: FOS: Biological sciences
subject: Cell Biology
subject: Genetics
subject: Biotechnology
subject: 59999 Environmental Sciences not elsewhere classified
subject: FOS: Earth and related environmental sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: 69999 Biological Sciences not elsewhere classified
subject: Science Policy

description: Additional file 1. Table S1. Risk factors of SA carriage and SE IgE-sensitization by univariate analysis. Table S2. Details environmental, social and lifestyle risk factors of SA carriage and SE IgE-sensitization by multivariate analysis. Table S3. Respiratory symptoms, underlying disease, and laboratory findings according to SA carriage and SE IgE-sensitization. Table S4. Environment, social and lifestyle, and comorbidity association factors of persistent cough and sputum production by multivariate analysis. Table S5. Association with persistent cough and Staphylococcus aureus 4 groups by multivariate analysis. Figure S1. Three population groups according to environmental exposure. Figure S2. Correlation between Staphylococcus aureus enterotoxin (SE) IgE and IgG according to Staphylococcus aureus nasal carriage.
title: Механохимический синтез аминопроизводных гуминовых кислот и реологические характеристики их адсорбционных слоев на границе раздела жидкость—газ
Creators: name: Хилько, Светлана
name: Рогатко, Марина
name: Макарова, Раиса
name: Семенова, Римма
name: Невечеря, Оксана
name: Хилько, Алексей
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2020

description: Методом твердофазного механохимического синтеза в реакции гуминовых кислот с гуанидином получены аминогуминовые производные. Физико-химические свойства синтезированных продуктов изучены методами ИК-, УФ-спектроскопии и потенциометрии. Вискозиметрическим методом определены величины средней молекулярной массы фракций гуминовых кислот. На основании приведенных данных было показано, что в результате механохимической реакции возможно введение в структуру макромолекулы гуминовых кислот аминогрупп. Полученные методом твердофазного синтеза аминогуминовые кислоты сочетают свойства анионных и катионных поверхностно-активных веществ. Исследованы дилатационные реологические характеристики поверхностных слоев растворов продуктов реакции на границе раздела жидкость-газ. Показано, что реакция аминирования может протекать по гидроксильным группам макромолекулы гуминовой кислоты. Дилатационные реологические свойства солей гуминовых кислот подобны свойствам гибкоцепных белковых молекул.
On the Progenitor and Supernova of the SN 2002cx-like Supernova 2008ge
Creators: name: Foley, Ryan J.
name: Rest, Armin
name: Stritzinger, Maximilian
name: Pignata, Giuliano
name: Anderson, Joseph P.
name: Hamuy, Mario
name: Morrell, Nidia I.
name: Phillips, Mark M.
name: Salgado, Francisco
Publisher: name: arXiv
Year: 2010
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: We present observations of supernova (SN) 2008ge, which is spectroscopically similar to the peculiar SN 2002cx, and its pre-explosion site that indicate that its progenitor was probably a white dwarf. NGC 1527, the host galaxy of SN 2008ge, is an S0 galaxy with no evidence of star formation or massive stars. Astrometrically matching late-time imaging of SN 2008ge to pre-explosion HST imaging, we constrain the luminosity of the progenitor star. Since SN 2008ge has no indication of hydrogen or helium in its spectrum, its progenitor must have lost its outer layers before exploding, requiring that it be a white dwarf, a Wolf-Rayet star, or a lower-mass star in a binary system. Observations of the host galaxy show no signs of individual massive stars, star clusters, or H II regions at the SN position or anywhere else, making a Wolf-Rayet progenitor unlikely. Late-time spectroscopy of SN 2008ge show strong [Fe II] lines with large velocity widths compared to other members of this class at similar epochs. These previously unseen features indicate that a significant amount of the SN ejecta is Fe (presumably the result of radioactive decay of 56Ni generated in the SN), further supporting a thermonuclear explosion. Placing the observations of SN 2008ge in the context of observations of other objects in the class of SN, we suggest that the progenitor was most likely a white dwarf.
description: 9 pages, 6 figures, accepted by AJ
Formation of white-eye pattern with microdischarge in an air dielectric barrier discharge system
Creators: name: He, Yafeng
name: Dong, Lifang
name: Liu, Weili
name: Wang, Hongfang
name: Zhao, Zengchao
name: Fan, Weili
Publisher: name: arXiv
Year: 2011
Subjects: subject: Plasma Physics (physics.plasm-ph)
subject: Pattern Formation and Solitons (nlin.PS)
subject: FOS: Physical sciences

description: We report on the first observation of white-eye pattern in an air dielectric barrier discharge. The patterned discharges undergo a development as following: random spots - quasihexagonal pattern - hexagonal pattern (type I) - hexagonal pattern (type II) - white-eye pattern - chaos as the voltage is increased. The spatiotemporal characteristics of patterned discharges are investigated by using an optical method. Results show that the two discharge modes, uniform mode and filamentary mode, are actually two different spatial presentations of the same origin: the microdischarge. From the viewpoint of pattern dynamics, the white-eye pattern results from a 3-wave resonance interaction.
description: 8 pages, 4 figures
title: Сравнительная характеристика композиционных материалов на основе смеси фосфатов кальция и полисахаридов
Creators: name: Цыганова, Анна
name: Голованова, Ольга
name: Еловский, Александр
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2020

description: Получены композиционные материалы на основе смеси фосфатов кальция и полимерной матрицы (альгинат натрия, хитозан). Изучен состав, морфология полученных образцов и их динамическое растворение. Проведен сравнительный анализ свойств композитов в зависимости от природы матрицы, соотношения наполнитель/матрица и температуры сушки. Установлено, что внедрение порошкового материала в матрицу биополимера не изменяет его состав вне зависимости от природы полимера. При этом удельная поверхность композиционного материала, матрицей в котором выступает альгинат натрия, возрастает по сравнению с порошковым материалом, а для материала на основе хитозана — уменьшается. Установлено, что резорбируемость композитов снижается при увеличении температуры сушки. При этом при увеличении соотношения наполнитель/матрица резорбируемость композита, матрицей в котором выступает альгинат натрия, снижается, а хитозан — увеличивается.
Additional file 1 of Experiences of weight stigmatization in the Israeli healthcare system among overweight and obese individuals
Creators: name: Sagi-Dain, Lena
name: Echar, Moran
name: Paska-Davis, Naama
Publisher: name: figshare
Year: 2022
Subjects: subject: Pharmacology
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 1. The questionnaire.
ANTIBACTERIA ACTIVITIES OF SELECTED MEDICINAL PLANTS TRADITIONALLY USED IN TREATMENT OF  STOMACH COMPLICATIONS
Creators: name: DEMISSE DAKONE
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2015

description: An  emerging  of  antibiotic  resistance  strains  of  bacteria  brings  most  serious  public  health
problems.  It  is  therefore,  important  to  look  for  more  effective,  safer  and  less  toxic  alternative
options of treatment. The aim of the present study was to investigate antibacterial activities  of
Harrisonia  abyssinica,  Leucas spp.,  Solanum incanum,  Hydnora johanis,  Croton macrostachyus
and  Ocimum lamiifolium  against  Escherichia coli,  Salmonella  typhi,  Staphylococcus aureus  and
Enterococcus  feacalis.  Disc  diffusion  method  for  antimicrobial  activity  test  and  broth  dilution
method  for  minimum  inhibitory  concentration  (MIC)  determination  have  been  followed.  The
result  revealed  that  ethanol  and  ethyl  acetate  extracts  of  the  plants  had  showed  better
antibacterial activity than  aqueous, acetone and  chloroform extracts  against  E. coli,  S.  typhi,  S.
aureus  and  E. feacalis. Relatively,  the ethanol extract of  H. johanis and H.  abyssinica;  the ethyl
acetate  extract  of  H.  abyssinica  and  S.  incanum;  and  the  acetone  extract  of  S.  incanum  had
showed good antimicrobial activity on  all tested bacteria.  The  ethyl acetate and acetone extract
of  O.  lamiifolium  and  the  ethyl  acetate  extract  of  C.  macrostachyus  also  demonstrated  good
antimicrobial  activity  on  S.  aureus.  Compared  with  standard  antibiotics;  most  active  crude
extracts  were  showed  comparative  antimicrobial  effect  as  do  standard  antibiotics  (penicillin,
ampicillin  and  tetracycline).  The  extract  demonstrated  least  MIC  value  of  1.56  mg/ml  with
ethanol extract of  S. incanum  and  Leucas spp.  against  S. aureus,  with ethyl acetate extract of  S.
incanum  against  S.  typhi  and  with  acetone  extract  of  H.  johanis  against  E.  coli  and  S.  typhi.
Phytochemicals  such  as  steroids,  tannins,  saponin,  flavonoids,  alkaloids  and  terpenoids  were
identified compounds in most tested plants. Over all, this study proves the scientific basis  for the
traditional use of the plants  as antimicrobial  agent  for the treatment of infections caused by  E.
coli, S. typhi, S. aureus and E. feacalis.
In which it is proven that, for each parabolic quasi-Coxeter element in a finite real reflection group, the orbits of the Hurwitz action on its reflection factorizations are distinguished by the two obvious invariants
Creators: name: Douvropoulos, Theo
name: Lewis, Joel Brewster
Publisher: name: arXiv
Year: 2022
Subjects: subject: Combinatorics (math.CO)
subject: Group Theory (math.GR)
subject: FOS: Mathematics
subject: 05E18, 20F55, 20F36

description: We prove that two reflection factorizations of a parabolic quasi-Coxeter element in a finite Coxeter group belong to the same Hurwitz orbit if and only if they generate the same subgroup and have the same multiset of conjugacy classes. As a lemma, we classify the finite Coxeter groups for which every reflection generating set that is minimal under inclusion is also of minimum size.
description: 10 pages, 1 figure, comments very much welcome! v2: minor corrections; simplification of one argument in Section 2 (and consequent renumbering)
Tinkertoys for Gaiotto Duality
Creators: name: Chacaltana, Oscar
name: Distler, Jacques
Publisher: name: arXiv
Year: 2010
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We describe a procedure for classifying N=2 superconformal theories of the type introduced by Davide Gaiotto. Any curve, C, on which the 6D A_{N-1} SCFT is compactified, can be decomposed into 3-punctured spheres, connected by cylinders. We classify the spheres, and the cylinders that connect them. The classification is carried out explicitly, up through N=5, and for several families of SCFTs for arbitrary N. These lead to a wealth of new S-dualities between Lagrangian and non-Lagrangian N=2 SCFTs.
description: 61 pages, 136 figures (a veritable comic book). V2: Grotty bitmapped figures replaced with PDF versions; a couple of references fixed
PREVALENCE OF INTESTINAL PARASITIC INFECTIONS AND ASSOCIATED RISK FACTORS  AMONG THREE  PRIMARY  SCHOOLS  CHILDREN  IN MERHABITE DISTRICT, NORTH SHOA,  ETHIOPIA
Creators: name: GETENESH JARSA
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2015

description: Intestinal parasitic infections are the major public health problems in many developing countries
including  Ethiopia. The present study was conducted to assess the common intestinal parasitic
infections among school children, and associated risk factors in Gabbe, Zeita and Geren villages,
Merhabete  district,  North  Shoa,  Ethiopia.  Design  of  the  study  was  a  cross-sectional
epidemiological  investigation  involving  a  total  of  384  (192  male  and  192  female)  students  in
grades 1-4 school children of the three primary schools. The study was conducted from Jan-May,
2015. Fresh  stool samples  were  collected and  examined using direct wet mount and  formalinether concentration to detect the presence of intestinal parasitic infections. The results indicated
that the prevalence of intestinal parasitic infection was found to be 60.7% (58.3% males and 63%
females).The  prevalence  of  protozoan  parasites,  Entamoeba  histolytica  and  Giardia  lamblia  was
24.5%  and  10.9%,  respectively.  Similarly,  the  prevalence  of  helminth  infections,  Ascaris
lumbricoides, Ancylostoma duodenale and Necator americanus, Trichuris trichiura, Schistosoma
mansoni  and  Teania saginata  was 12.2, 5.2, 3.1, 3.1,  and 1.6%, respectively. The prevalence of
intestinal parasitic infections were significantly associated (p<0.05) with some of the risk factors
including  family size, wearing shoe, presence or absence of  latrine, source of drinking water at
home, water handling practice, habit of eating raw vegetable, contact with animals, knowledge to
personal hygiene and environmental sanitation. However, some other socio-demographic related
factors, such as sex, age, parents’ education level, washing of vegetable or fruits before eating
and latrine type were not significantly associated (P>0.05) with IPIs.  In general, the study has
revealed  that  IPIs  represent  a  major  public  health  problem  amongst  the  school  children  of
Merhabete district and that the situation calls for immediate control measures.
Additional file 2 of Experiences of weight stigmatization in the Israeli healthcare system among overweight and obese individuals
Creators: name: Sagi-Dain, Lena
name: Echar, Moran
name: Paska-Davis, Naama
Publisher: name: figshare
Year: 2022
Subjects: subject: Pharmacology
subject: Biotechnology
subject: Cancer
subject: Science Policy
subject: 111714 Mental Health
subject: FOS: Health sciences

description: Additional file 2. Univariate analysis of the correlation of weight categories to adverse feelings and experiences.
title: О свободе как педагогическом феномене (на основе взглядов Ж.-Ж.Руссо, Л.Н.Толстого и С.И.Гессена)
Creators: name: Иванов, Евгений
Publisher: name: Новгородский государственный университет имени Ярослава Мудрого (НовГУ)
Year: 2020

description: Взятый в постсоветское время курс на гуманизацию отечественного образования предполагает пристальное внимание к изучению сущности и способам реализации феномена свободы в педагогике. В статье рассмотрены различные взгляды на данную проблему трех видных мыслителей: Ж.-Ж. Руссо, Л.Н. Толстого и С.И. Гессена. Руссо понимал свободу в педагогике на неком идеалистическом уровне, недостижимом в реальной жизни, но дающем пищу для размышления и дальнейшего развития теории и практики гуманистического образования. Толстой пытался осмыслить и реализовать феномен свободы на максимально реально возможном уровне, заложив тем самым основы и дав толчок развитию «свободного воспитания» как самостоятельного педагогического направления. Гессен подходил к пониманию свободы с рационалистических позиций и при этом указывал на возможный тоталитарный уровень, при котором любая свобода воли, выбора и действий растущего человека подавляется, а сам процесс обучения и воспитания сводится к натаскиванию и муштре.
ISOLATION AND CHARACTERIZATION OF STARTER CULTURE BACTERIA FOR  ENSET (Ensete ventricosum) FERMENTATION
Creators: name: MESKEREM ELFU
Publisher: name: National Academic Digital Repository of Ethiopia
Year: 2015

description: In Ethiopia different kinds of traditionally fermented foods and beverages  are processed and
consumed.  Traditional fermentation takes place by microorganisms present in the substrate
without addition of functional starter culture.  This usually leads  to long  fermentation time,
extensive work load on workers and inconsistent product quality. Kocho is one of the widely
used Ethiopian fermented foods that suffer this problem. In developed countries production
of fermented foods is based on the use of starter cultures, for instance  lactic acid bacteria
that initiate rapid acidification of the raw material.  In Ethiopia the use of starter culture is
not a common practice.  In this study eight lactic acid producing bacteria were isolated as
potential starter culture organisms for enset  fermentation. They were characterized to genus
level  and  screened  by  their  desirable  characteristics  for  fermentation.  Isolates  k
15
(Lactobacillus spp.) and C (Streptococcus spp.) were found to be promising starter culture
organisms.  Both isolateswere  able  to grow best at pH4-8, 5-10
o
C, 2-6%NaCl  and  fermented
enset  in  12  days.  The  fermented  enset  (Kocho)  was  processed  for  nutritional  value  and
sensory  evaluations.  The  starter  culture  fermented  enset  had  superior  quality  than
traditionally  fermented  one  in  terms  of  nutritional  content,  color,  odor,  texture,  test  and
overall acceptability. These  isolates can be used for preparation of starter culture for enset
fermentation that would  reduce fermentation time,  enhance the quality and market value of
kocho there by contributing for ensuring food security in enset growing regions of Ethiopia.