bluuebunny/crossref_metadata_2025_split huggingface dataset:
Compatibility Study of Condensate and Heavy Oil for Storage in an Iranian Reservoir
Authors: Zobeidi K. , Ganjeh-Ghazvini M. , Hematfar V. 
Published: September 2021

Summary
During the years 2017–2020, when Iran faced restrictions on the sale of oil and gas condensate and due to the need for domestic consumption and gas sales commitments, it was inevitable to produce gas at full capacity. This coercion has led to significant production of gas condensates. Some of these condensates were sold, some were converted into products such as gasoline in domestic refineries, and some of these condensates needed to be stored, but the storage capacity was limited. For the purpose of underground condensate storage, a heavy oil reservoir was selected based on some technical and operational criteria. A feasibility study was conducted to evaluate the potential risks of condensate injection into the reservoir. The results of tests on asphaltene precipitation, as the most important risk, indicated no severe precipitation would occur even if high concentration of condensate mixed with the reservoir heavy oil. The recovery of condensate and the production performance of the reservoir were simulated in three different injection-production scenarios. The results showed a positive effect of condensate injection on production rate of the reservoir. Moreover, satisfactory volume of condensate could be recovered in a reasonable period of time.
Effects of Gravity on Foam Behavior in Roughened Model Fractures
Authors: Li K. , Wolf K. A. A. , Rossen W. R. 
Published: September 2021

Summary
In this study, to investigate how gravity affects foam in open vertical fractures, we report foam experiments in three 1-m-long, 15-cm-wide glass-model fractures. Each fracture has a smooth wall and a roughened wall. Between the two walls is a slit-like channel representing a single geological fracture. Three model fractures (Models A, B, and C) share the same roughness and have different hydraulic apertures of 78, 98, and 128 µm, respectively. We conduct foam experiments by horizontal injection in the three model fractures placed horizontally and sideways (i.e., with the model fractures turned on their long side), and in Model A placed vertically with injection upward or downward. Direct imaging of the foam inside the model fracture is facilitated using a high-speed camera. We find that foam reaches local equilibrium (LE; where the rate of bubble generation equals that of bubble destruction) in horizontal-flow experiments in all three model fractures and in vertical-flow experiments in Model A. In fractures with a larger hydraulic aperture, foam is coarser because of less in-situ foam generation. In the vertical-flow experiments in Model A, we find that the properties of the foam are different in upward and downward flow. Compared with downward flooding, upward flooding creates a finer-texture foam, as sections near the inlet of this experiment are in a wetter state, which benefits in-situ foam generation. Moreover, less gas is trapped during upward flooding, as gravitational potential helps overcome the capillarity and moves bubbles upward. In the sideways-flow experiments, gravity segregation takes place. As a result, drier foam propagates along the top of the fractures and wetter foam along the bottom. The segregation is more significant in fractures with a larger hydraulic aperture. At foam quality 0.8, gas saturation is 27.7% greater at the top than the bottom for Model C, and 19.3% and 10.8% for Models B and A, respectively. Despite the gravity segregation in all three model fractures, water and gas are not completely segregated. All three model fractures thus represent a capillary transition zone, with greater segregation with increasing aperture. Our results suggest that the propagation of foam in vertical natural fractures meters tall and tens of meters long, with an aperture of hundreds of microns or greater, is problematic. Gravity segregation in foam would weaken its capacity in the field to maintain uniform flow and divert gas in a tall fracture over large distances.
Application of Multilateral Wells for Production and Enhanced Oil Recovery: Case Studies from Canada
Authors: Delamaide Eric 
Published: September 2021

Summary
The use of multilateral wells started in the mid-1990s in particular in Canada, and they have since been used in many countries. However, few papers on multilateral wells focus on their production performance. Thus, what can be expected from such wells in terms of production is not clear, and this paper will attempt to address that gap.
Taking advantage of public data, the production performance of multilateral wells in various Western Canadian fields has been studied. In the cases reviewed in this paper, these wells always target a single formation; they have been used in a variety of fields and reservoirs, mostly for primary production but also for polymer flooding in some cases. Multiple examples will be provided, mostly in heavy oil reservoirs, and production performance will be compared with nearby horizontal wells whenever possible.
From the more classical dual and trilateral, to more complex architectures with seven or eight laterals, and the more exotic with laterals drilled from laterals, the paper will present the architecture and performance of these complex wells and of some fields that have been developed almost exclusively with multilateral wells. Interestingly, multilateral wells have not been used much for secondary or tertiary recovery, probably because of the difficulty of controlling water production after breakthrough. However, field results suggest that this may not be such a difficult proposition. One of the most remarkable wells producing a 1,250-cp oil under polymer flood has achieved a cumulative production of more than 3 million bbl, which puts it among the top producers in Canada.
Although multilateral wells have been in use for more than 25 years, very few papers have been devoted to the description of their production performance. This paper will bring some clarity to these aspects. It will also attempt to address when multilateral wells can be used and to compare their performance to that of horizontal wells in the same fields. It is hoped that this paper will encourage operators to reconsider the use of multilateral wells in their fields.
Electromagnetic-Based Wireless Sensor Networks for Natural Gas Pipeline and Reservoir Monitoring
Authors: Akkaş Mustafa Alper 
Published: September 2021

Abstract
In this paper, we electromagnetically analyzed the wireless sensor nodes for natural gas transport system from the recovery process to our apartments. In light of the problems of poor localization accuracy, low recognition efficiency and high false rates in traditional pipeline security and detection technology, this paper suggests a type of new electromagnetic modeling for the natural gas pipeline and tank system. This paper describes the effect of natural gas at different temperature and pressure levels on the propagation characteristics of electromagnetic waves at Terahertz Band frequencies. Based on the calculated absorption and path losses, the channel capacity and SNR are studied to give an insight of future Terahertz communication networks. Results show that characteristics of electromagnetic waves propagation affected by both the temperature and pressure. As a result, in the paper we come to the conclusion that frequency bands for optimum performance should be determined by reviewing the absorption coefficient.
Microbial biogeography of the wombat gastrointestinal tract
Authors: Eisenhofer Raphael , D’Agnese Erin , Taggart David , Carver Scott , Penrose Beth 
Published: September 2021

Abstract
Most herbivorous mammals have symbiotic microbes living in their gastrointestinal tracts that help with harvesting energy from recalcitrant plant fibre. The bulk of research into these microorganisms has focused on samples collected from faeces, representing the distal region of the gastrointestinal (GI) tract. However, the GI tract in herbivorous mammals is typically long and complex, containing different regions with distinct physico-chemical properties that can structure resident microbial communities. In this study, we characterised the microbial biogeography of the GI tracts in individuals of two species of wombats.Using 16S rRNA gene sequencing, our results show that GI microbial communities of wombats are structured by GI region. For both the bare-nosed wombat (Vombatus ursinus) and the southern hairy-nosed wombat (Lasiorhinus latifrons), we observed a trend of increasing microbial diversity from stomach to distal colon. The microbial composition in the first proximal colon region was more similar between wombat species than the corresponding distal colon region in the same species. We found several microbial genera that were differentially abundant between the first proximal colon and distal colon regions. Surprisingly, only 99 (10.6%) and 204 (18.7%) amplicon sequence variants (ASVs) were shared between the first proximal colon region and the distal colon region for the bare-nosed and southern hairy-nosed wombat, respectively.These results suggest that microbial communities in the first proximal colon region—the putative site of primary plant fermentation in wombats—are distinct from the distal colon, and that faecal samples may have limitations in capturing the diversity of these communities. While faeces are still a valuable and effective means of characterising the distal colon microbiota, future work seeking to better understand how GI microbiota impact the energy economy of wombats (and potentially other hindgut-fermenting mammals) may need to take gut biogeography into account.
Changing Trends of Obesity and Lipid Profiles Among Bangkok School Children After Comprehensive Management of the Bright and Healthy Thai Kid Project.
Authors: Sirikulchayanonta Chutima , Sirikulchayanonta Vorachai , Suriyaprom Kanjana , Namjuntra Rachanee 
Published: September 2021

Abstract
Background: Cardiovascular diseases are the world’s leading cause of death. Children in Thailand are currently facing obesity, hyperlipidemia, and high atherogenic indices. This study aimed to assess the success of the Bright and Healthy Thai Kid project in reducing obesity and high lipid profiles among Bangkok school children.Methods: A cross-sectional study in five randomly selected Bangkok primary schools was conducted. A participatory action involving teachers, students, and parents was initiated. Data collection on anthropometric measurements, dietary intake, physical activity, and fasting blood samples of three generations of students was carried out during July-August (midterm months in Thailand) in the years 2004, 2017, and 2019. SPSS for Windows, version 16 was used for data analysis.Results: Comparing the data from 2004, 2017, and 2019, obesity rates of 19.3 in 2004 gradually declined to 16.9 and 15.6 in 2017 and 2019 (P< 0.001). High serum total cholesterol, triglyceride, LDL-C, and atherogenic indices decreased significantly (p < 0.001).Conclusions: We believe that the great time and effort expended for a campaign to reduce rates of obesity and hyperlipidemia in school children does work to prevent future cardiovascular diseases. Long-term investment in national programs is required to achieve whole societal involvement in improving knowledge and skills related to health, nutrition, and healthy food choices.
Utilization of Agricultural Waste for the Production of Xylooligosaccharides Using Response Surface Methodology and Their In Vitro Prebiotic Efficacy
Authors: Kathiresan Nagamani , Gopal Lingesh , Karuppiah Vijay , Naveenethan Renuka , Abraham David Ravindran , Thangavel Kavitha 
Published: September 2021

Abstract
Air pollution is a prominent problem recently faced in various parts of India due to the burning of stubbles (coconut husk, corn cob, paddy stubbles, sugarcane bagasse, etc.) which are rich in a lignocellulosic component that can be converted into a prebiotic known as Xylooliogsaccaride (XOS). They can be produced by autohydrolysis, acid hydrolysis and enzymatic hydrolysis of xylan. In the present study, Xylan was extracted from sugarcane bagasse using two alkalis (NaOH and KOH) and the yield was compared. Xylooligosaccharide produced by enzymatic hydrolysis and their factors influencing the yield were optimized using Response Surface Methodology. Xylan and Xylooligosaccharide was characterized by FTIR, NMR, XRD, TGA and ESI-MS. Xylooligosaccharides was investigated for their prebiotic potential by in vitro study. The maximum (Relative yield of 86%) yield of xylan was observed in 20% of NaOH. Xylan peaks at 3762cm− 1, 3347 cm− 1, 2917cm− 1 represents the OH and CH stretching of xylan. The main signals at 4.26 (H-1), 3.19 (H-2), 3.59 (H-3), 3.63 (H-4) and 3.98 (H-5) ppm determines the existence of xylan. The higher amount of XOS is pH 4.75, temperature 45°C, enzyme 4U/ml and for time of 16h. The spectrum of 5.0-5.40ppm and 4.30-4.60ppm represents the α anomeric and β anomeric protons in XOS. They are resistant digested and the reaching percentage to the intestine is 95% unhydrolyzed. The maximum prebiotic index was noted in L.plantarum (1.92) and L.fermentum (1.61). The highest prebiotic index and score was observed in L.plantarum (1.9) and L.fermentum (17). The maximum bacteriocin production of Enterococcus faecium against E.fecalis (13mm) and Streptococcus pyogenes (11mm). Therefore, utilization of agricultural residues for a value-added product not only shows a great impact on environmental issues but also could double the farmer’s income
Long Term Spatio-Temporal Trends In Aerosol Optical Depth And Its Relationship With Enhanced Vegetation Index And Meteorological Parameters Over South Asia
Authors: Tariq Salman , Qayyum Fazzal , Ul-Haq Zia , Mehmood Usman 
Published: September 2021

Abstract
Satellite-based Aerosol optical depth (AOD) is columnar light extinction by aerosol absorption and scattering and has become the most important variable for the assessment of the spatiotemporal distribution of aerosols at a regional and global level. In this paper, we have used AOD observations from multi-angle imaging spectroradiometer (MISR), moderate resolution imaging spectroradiometer (MODIS) and sea viewing wide field-of-view Sensor (SeaWiFS). We have observed the association of AOD with enhanced vegetation index (EVI) and meteorological variables (temperature (TEMP), WS and relative humidity (RH)). The findings show that AOD in eastern Pakistan is higher than in the western Pakistan due to increase in population density and biomass burning. Mean annual peak AOD (˃0.7) has been observed over the IGB region because of the significant increase in economical, industrial and agricultural activities. The highest seasonal mean AOD (0.8) has been seen over Bihar, India during the winter season. However, the mean AOD over eastern Pakistan is maximum in both monsoon and post-monsoon season but relatively low in pre-monsoon and winter. The higher mean AOD anomaly value is found to be 0.2 over eastern Pakistan and western India. In northeastern Pakistan and central India, AOD and RH are positively correlated (R ˃0.54) while negatively correlated over southwestern Pakistan. AOD is negatively correlated (R= ~-0.3) with EVI over northeastern and southeastern Pakistan. The correlation coefficient (R) obtained among Aqua and Terra AOD is 0.97 over south Asia. The satellite observations of Aqua-AOD was also compared with SeaWiFS and MISR AOD.
Association Between Maternal High-risk Fertility Behavior and Pregnancy Intention Among Women Aged 15 to 49 in Rwanda: Analysis of the 2014-15 Rwanda Demographic and Health Survey
Authors: Nishimwe Aurore , Uwimana Philomene , Rumagihwa Liberee , Rutagengwa Alfred , Nyirazinyoye Laetitia , Jansen Stefan , Gillian Ice H , Lesli Johnson , Haile Zelalem T 
Published: September 2021

Abstract
Background: Maternal high-risk fertility behaviors have been linked to negative maternal and child health outcomes that include anaemia, undernutrition, and child mortality. In this context, we examined the association between maternal high-risk fertility behavior and pregnancy intention among women of reproductive age in Rwanda.Methods: This cross-sectional study is based on secondary data from the 2014–15 Rwanda Demographic and Health Survey (n=5661). The outcome of interest was pregnancy intention of the last child defined as intended or unintended. Maternal high-risk fertility behaviors were measured using maternal age at delivery, birth order, and birth interval. Chi-square test and multivariable regression models were performed. Results: The prevalence of unintended pregnancy was 46.8% (n=2652). Overall, 35.8% (n=2017) of women experienced single high-risk fertility behavior, while 23.1% (n=1282) of women experienced multiple high-risk fertility behaviors. Compared to women who have not experienced high-risk fertility behavior, the multivariable odds ratio (95% CI) of unintended pregnancy among women in single-risk and multiple-risk fertility behaviors were 2.00 (1.75, 2.28; p <0.001) and 2.49 (2.09, 2.95; p <0. 001.), respectively.Conclusion: Exposure to high-risk fertility behaviors is positively associated with unintended pregnancy among women in Rwanda. Therefore, reproductive and sexual health services should pay special attention to women who are <18 years or >34 years old; who have more than three children already; or have children with less than 24 months’ interval between giving birth.
Effect of Kinesio Taping on Low Back Pain During Pregnancy: A Systematic Review and Meta-Analysis
Authors: Xue Xiali , Chen Yan , Mao Xiaorong , Tu Huan , Yang Xinwei , Deng Zhongyi , Li Ning 
Published: September 2021

Abstract
Background: Low back pain during pregnancy affects the normal daily activities of pregnant women to a certain extent. Current studies have shown that Kinesio Taping(KT) may be a treatment for low back pain during pregnancy, but there is still a lack of key evidence. The purpose of this study is to evaluate the efficacy and safety of KT in the treatment of low back pain during pregnancy.Methods: PubMed, Web of Science, The Cochrane Library, Wanfang Data, CNKI, and VIP databases were searched to collect randomized controlled trials (RCTs) of the efficacy of KT intervention on low back pain in women during pregnancy. The retrieval time limit is from the establishment of the database to April 2021. Two researchers independently screened the literature, extracted the data, and evaluated the risk of bias in the included studies. Meta-analysis was performed using RevMan5.3 software.Results:A total of 7 RCTs were included, including 444 patients. Meta-analysis results showed that: Compared with the control group, KT intervention could significantly improve low back pain and dysfunction, VAS score (-1.62, 95%CI -2.08 to -1.16, P<0.00001, I2=77%), RMDQ score (-1.00, 95%CI -1.54 to -0.46, P=0.0003, I2=80%); The results of the meta-analysis of the subgroup showed that compared with the control group, the KT intervention was less than or equal to one week, and the waist pain and dysfunction were improved, with statistically significant differences. The difference in the improvement of low back pain was statistically significant after KT intervention for more than one week, but there was no statistically significant difference in RMDQ score (-1.25, 95%CI -2.66 to 0.15, P=0.08, I2=77%). Compared with the control group,KT intervention improved low back pain in the second and third trimesters, and the difference was statistically significant.Conclusion:KT has a positive effect on the improvement of low back pain during pregnancy, KT intervention can significantly improve pregnant women's low back pain and dysfunction problems, improve the quality of life.It is suggested that future research should focus on the prevention and treatment of low back pain during pregnancy to provide more research data for improving women's health.
Construction of Multifunctional NH2-UiO-66 Metal Organic Framework: Sensing And Photocatalytic Degradation of Ketorolac Tromethamine And Tetracycline In Aqueous Medium
Authors: Kaur Manpreet , Mehta Surinder Kumar , Kansal Sushil Kumar 
Published: September 2021

Abstract
Existence of pharmaceutical residues in water has endangered environmental pollution worldwide, which makes it ineludible to develop prospective bifunctional materials which not only possess excellent fluorescence behaviour to monitor pharmaceuticals but also exhibits simultaneous photocatalytic removal efficiency. Strengthened by functionalized metal organic framework (MOF) materials, we present here an amine functionalized zirconium based MOF NH2-UiO-66 which has been successfully synthesized using solvothermal approach. The as prepared MOF was subjected to numerous structural, morphological and compositional characterizations. Interestingly, featured by the excellent fluorescent intensity of MOF modulated by LMCT effect, NH2-UiO-66 was screened to detect pharmaceutical compounds with KTC and TC in aqueous solution. The prepared functionalized MOF showcased excellent sensing platform with magnificent response range (0‒3 µM), lower limit of detection (160 nM; KTC and 140 nM; TC), excellent selectivity and influential anti-interference capability. More importantly, the practical utility of the proposed sensor was further explored for the determination of pharmaceutical drugs in real water samples with suitable recoveries. Simultaneously, the synthesized MOF also exhibited high photocatalytic efficiency towards the removal of KTC and TC under solar light irradiation. The degradation efficiency for KTC and TC was found to be 68.3 % and 71.8 % within 60 and 280 min of solar light, respectively. Moreover, excellent recyclability was demonstrated by the current synthesized system over five cycles. Overall, this study presents a feasible route for the utilization of functionalized MOFs as potential dual functional materials towards the simultaneous detection and degradation of specific pharmaceuticals from aqueous medium.
Potential Disruptive Effects of Copper-Based Antifouling Paints On The Biodiversity of Coastal Macrofouling Communities
Authors: Cima Francesca , Varello Roberta 
Published: September 2021

Abstract
In recent years, after the ban on tributyltin (TBT)-based antifouling paints, copper-based paints have become the main coatings for boat hulls due to their efficiency and endurance. Copper(I) compounds like Cu2O and CuSCN are used alone or in combination with booster biocides, i.e. Irgarol 1051, chlorothalonil and dichlofluanid. The expanded use of these paints has increased copper leaching into coastal environments, requiring attention and legislative restrictions for potential long-term effects on benthic populations. This study monitored the ecological succession of macrofouling communities on wooden and stainless steel panels immersed for 10 months in the southern basin of the Lagoon of Venice. The development of macrofouling communities on the panels coated with copper-containing antifouling paints was compared with those on the reference (uncoated) and TBT-coated panels. Series of biodiversity descriptors highlighted the preventing activity of the antifouling paints. The most active paints were those containing booster biocides and with self-polishing copolymers in the matrix. The macrofouling communities appeared dissimilar to those on the reference uncoated panels as regards the species richness, the coverage areas, and the biocoenosis structure. Generally, green algae, bryozoans and barnacles were the most tolerant taxa and a negative species selection occurred for sponges, serpulids and ascidians.