Retracted: Significance and Possibility of VR Technology Embedded in the Teaching of Ideological and Political Theory Course in Colleges and Universities by Ningbin Zhang, Xiuqin Chen, Han Yin

“…The experimental results show that: after VR classroom learning, the proportion of A1 and B2 groups who like to think about political theory class increased by 8.2% and 8.14%. …”
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How interventions to maintain services during the COVID-19 pandemic strengthened systems for delivery of maternal and child health services: a case-study of Wakiso District, Uganda by Steven Ndugwa Kabwama, Rhoda K. Wanyenze, Neda Razaz, John M. Ssenkusu, Tobias Alfvén, Helena Lindgren

“…Although absorptive and adaptive capacities have been demonstrated during the COVID-19 response, little has been documented about their transformability and strengthened service delivery systems. …”
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An Analysis of Lexical Coherence in Fereydoun Tavallali’s Al-Tafasil from the perspective of functional Linguistics by Gholamreza Salimi, Zahra Rafie, Alireza Biaban Navard Sarvestani

“…Instead of using -congeries in one sentence, they are used separately in short sentences, which brings about the higher frequency of verbs and conjunctions in the text. …”
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Enhancing mechanical and biological properties of 3D-printed polylactic acid scaffolds by graphitic carbon nitride addition for bone tissue engineering by Alborz Bakhtiari, Hamid Reza Madaah Hosseini, Reza Alizadeh, Mohsen Mohammadi, Masoud Zarei

“…Weight loss measurements after 35 days of immersion in the phosphate-buffered saline solution demonstrated that the degradation rate of PLA scaffolds was increased from about 1% to 3.5% after g-C3N4 incorporation. Moreover, cell adhesion and viability were significantly improved in the composite scaffolds. …”
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Helioseismic inference of the solar radiative opacity by Gaël Buldgen, Jean-Christophe Pain, Philippe Cossé, Christophe Blancard, Franck Gilleron, Anil K. Pradhan, Christopher J. Fontes, James Colgan, Arlette Noels, Jørgen Christensen-Dalsgaard, Morgan Deal, Sergey V. Ayukov, Vladimir A. Baturin, Anna V. Oreshina, Richard Scuflaire, Charly Pinçon, Yveline Lebreton, Thierry Corbard, Patrick Eggenberger, Peter Hakel, David P. Kilcrease

“…We find that our seismic opacity is about 10% higher than theoretical values used in current solar models around 2 million degrees, but lower by 35% than some recent available theoretical values. …”
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Investigation into the Pore Structure and Multifractal Characteristics of Shale Reservoirs through N2 Adsorption: An Application in the Triassic Yanchang Formation, Ordos Basin, Ch... by Zhikai Liang, Zhenxue Jiang, Zhuo Li, Fenglin Gao, Xiaoqing Liu

“…The multifractal characteristic parameters, including the width of singularity spectra (Δα), Hurst exponent (H), D1/D0, and nitrogen gas adsorption, were used to find out about the characteristics of pore development and to quantify the complexity and heterogeneity of pore structure. …”
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Long-term Effects of COVID-19 on Sleep Patterns by Salma Batool-Anwar, Olabimpe S. Fashanu, Stuart F. Quan

“…MATERIAL AND METHODS: Using the Massachusetts General Brigham Research Patient Data Registry, Severe acute respiratory syndrome-Coronavirus-2 (SARS-CoV-2) positive patients were surveyed about their sleep patterns before and after the viral infection. …”
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Levels of Biochar and NPS Fertilizer Rates on Growth, Yield Component, and Yield of Maize (Zea mays L.) at Guto Gida, Western Ethiopia by Abdela Tufa, Adugna Hunduma, Mohammad Najmus Saquib Hasan, Fayera Asefa, B. C. Nandeshwar

“…In conclusion, integrated application of maize cob biochar at 8 t·ha−1 with NPS fertilizer at 50 kg·ha−1 improved the yield of maize by about 16.85% with net benefit of 61700.50 ETB ha−1 and marginal rate of return 733.68%, and therefore, the application of biochar at this rate with mineral NPS fertilizer at 50 kg·ha−1 is considered as suitable for the study area.…”
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Seasonal and Gender Differences in Presence of Rickettsia felis and Blood meals Provide Additional Evidence of a Vector Role for Mosquitoes by Jilei Zhang, Guangwu Lu, Patrick John Kelly, Chengming Wang

“…While recent evidence has suggested mosquitoes are infected with R. felis, there is little information about the role of mosquitoes in the organism’s transmission. …”
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Endovascular Treatment of Intracranial Artery Dissection: Clinical and Angiographic Follow-Up by Reza Mohammadian, Ali Akbar Taheraghdam, Ehsan Sharifipour, Reza Mansourizadeh, Ali Pashapour, Mohammad Shimia, Ghaffar Shokouhi, Moslem shakeri, Ali Hashemzadeh

“…Intracranial artery dissections are rare and many controversies exist about treatment options. The aim of this study was to evaluate the efficacy and safety of the endovascular approach in patients with an intracranial dissection presenting with different symptoms. …”
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A Nonfunctioning Pituitary Macroadenoma Presenting as Cyclical Vomiting and Severe Hyponatremia in a Young Female by Dinuka S. Warapitiya, Dimuthu Muthukuda, W. A. H. P. Sanjeewa, Kushalee Poornima Jayawickreme, Shyama Subasinghe

“…Nonfunctioning pituitary macroadenomas generally present with visual disturbances, headache, and symptoms due to anterior pituitary hormone deficiencies. This case report is about an atypical presentation of a nonfunctioning pituitary macroadenoma in which the patient presented with cyclical vomiting with severe hyponatremia. …”
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Beyond the seizures: Ketogenic Diets in the battle against drug-resistant epilepsy by Natalia Domańska, Małgorzata Bojarska, Julia Bogucka, Anna Brzyska, Michalina Kosowska, Halina Piecewicz-Szczęsna

“… Introduction: Epilepsy is a chronic, non-infectious and one of the most common neurological disease. About 70 million people worldwide suffer from it and these are patients of all ages. …”
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Development of real-time RT-PCR for N2 subtype avian influenza RNA-virus detection by P. B. Akshalova, A. V. Andriyasov, L. O. Scherbakova, S. N. Kolosov, N. G. Zinyakov, I. A. Chvala, D. B. Andreychuk

“…Therefore, a method for rapid detection of the said infectious agent is urgently required. Data on oligonucleotide primer selection and reverse transcription real-time polymerase chain reaction condition optimization for N2 AI virus detection are presented in the paper. …”
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Textbook outcome in ovarian cancer and its impact on survival: comparative study by Silvia Carbonell-Morote, Alvaro Arjona-Sánchez, Pedro Antonio Cascales-Campos, Alida González-Gil, Gonzalo Gomez-Dueñas, Elena Gil-Gómez, Iban Caravaca-García, Veronica Aranaz, Francisco Javier Lacueva, José Manuel Ramia

“…Obtaining TO has also been related to better survival in oncological patients. Information about TO in patients with peritoneal carcinomatosis from ovarian cancer who undergo surgery is very scarce. …”
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Isolation, Characterization and Genetic Diversity of Aspergillus flavus in Animal Feed by Dina Al-Shinawy, Reda E.M. Moghaieb, Sara B. Awaly, Gihan El-Moghazy, Dalia S. Ahmed

“…To assess the genetic variability among A. flavus strains, twelve inter simple sequence repeats (ISSR) primers and seven Sequence Related Amplified Polymorphism (SRAP) primer combinations were utilized, producing scorable and reproducible banding patterns with about 52 % polymorphism. Various genetic diversity parameters, including polymorphic information content (PIC), effective multiplex ratio (EMR), marker index (MI), and resolving power (RP) were evaluated to determine effectiveness of the primers in distinguishing the genetic variations among the A. flavus strains. …”
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Ni12P5 and Ni12P5-rGO for multifunctional electrocatalyst and supercapacitor application by Anil M. Palve, Omkar V. Vani, Rishabh Srivastava, Wang Lin, Ram K. Gupta

“…Red phosphorus served as the phosphorus source, while ethylene glycol acted as a capping agent to promote the formation of nanomaterials within a nitrogen-rich atmosphere. …”
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Degradation of black tea theaflavin through C-ring cleavage by gut microbiota by Shuwei Zhang, Christina Ohland, Christian Jobin, Shengmin Sang

“…However, little is known about the metabolism of TF by gut microbiota in vivo. …”
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Early childhood caries and their association with serum iron, serum ferritin, serum albumin, and Vitamin D by Vasundhara Megha, Jeevendra Nath Shukla, Rajat Kumar Singh, Chitrita Gupta Mukherjee, Siddharth Anand, Aparna Singh

“…Oral health education campaigns should be conducted for public awareness about the importance of iron, ferritin, albumin, and Vitamin D.…”
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Dwarf shrub expansion and loss of lichens distinctly dominate multi-decadal changes in northern boreal understory plant communities by Tuija Maliniemi, Joonatan Lohi, Janne Alahuhta, Karoliina Huusko, Risto Virtanen

“…Importantly, our results raise concerns about the local disappearance of lichens if the declining trend continues. …”
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Comparison of three recent discrete stochastic inversion methods and influence of the prior choice by Juda, Przemysław, Straubhaar, Julien, Renard, Philippe

“…Groundwater flow depends on subsurface heterogeneity, which often calls for categorical fields to represent different geological facies. The knowledge about subsurface is however limited and often provided indirectly by state variables, such as hydraulic heads of contaminant concentrations. …”
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