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The article proposes a measurement procedure for the calibration of the gasometric bells models LJQ-20 and LJQ-100 manufactured by Hangzhou TNMA MEasure Technology Co., Ltd. These bells are used in Cuba for gas meter verification and currently this service is imported. Different calibration methods are presented, but the taping method is recommended as the most suitable due to its low cost and high quality. A mathematical model is provided to calculate the volume of the bell and periodic calibration of pressure, humidity, and temperature sensors is recommended. Uncertainty components are mentioned and the need for the bell to have a cross section close to a true circle is highlighted. It is proposed to implement this procedure in Cuba to achieve economic savings. [Extracted from the article]

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Copyright of Archivos de Zootecnia is the property of Archivos de Zootecnia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Archivos de Zootecnia is the property of Archivos de Zootecnia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Archivos de Zootecnia is the property of Archivos de Zootecnia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The article presents the results of a survey conducted with Spanish and Italian university professors regarding the use of web 2.0 teaching tools during the COVID-19 pandemic. The results show that the perception of change is high and mainly depends on the professor's psychographic characteristics. The similarities and differences between the samples of university professors from both countries are discussed. Additionally, the importance of universities designing short, medium, and long-term strategies for university faculty to adapt their teaching to future lockdowns resulting from disease outbreaks is highlighted. [Extracted from the article]

Copyright of Archivos de Zootecnia is the property of Archivos de Zootecnia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Ortopédica Mexicana is the property of Sociedad Mexicana de Ortopedia, AC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Ortopédica Mexicana is the property of Sociedad Mexicana de Ortopedia, AC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Knee dislocations are rare but in a high percentage may cause severe and devastating neurovascular complications. Damage of the common peroneal nerve is the most frequent injury. The popliteal artery is more prone to be affected in posterior knee dislocation and whithin multiligament traumatic injury. We present a case of anterior tibio-femoral dislocation associated with acute ischemia due to popliteal artery occlusion that needed emergent surgical intervention for revascularisation of the left lower limb through bypass. Postoperative outcome was satisfactory with pedal and posterior tibial pulses recovery. A high grade of clinical suspicion is needed for early detection of vascular complications. Delay in vascular intervention increases dramatically the risk of irreversible injury and the need of amputation. [ABSTRACT FROM AUTHOR]

Copyright of Revista Daena: International Journal of Good Conscience is the property of Spenta University Mexico and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Informacion Tecnica Economica Agraria is the property of Asociacion Interprofesional para el Desarrollo Agrario (AIDA) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Archivos de Zootecnia reached its 264 issue during 2019. In the present editorial report, we address the facts and figures derived from the editorial process during the past yearly editorial cycle. Archivos de Zootecnia would like to express its sincere gratitude to the Section Editors involved in the editorial process as well as the Reviewers without whose work our labour, otherwise would not be possible. 646 new members have registered in the website. A total of 544 manuscripts have been submitted. Brazil was the most contributing country, however the percentage of submissions remarkably decreased (52.56%) in favour of an increase of the submissions by authors from other countries. Therefore, the most frequently used language in the manuscripts was Portuguese, followed by English. 79 works were published in 2019: 66 articles, 10 short notes and 3 reviews. Published papers came from 15 countries. The two main topics the articles published were about were "Nutrition and Feeding" (30.77%) and "Breeding and genetics" (14.10%); while the most frequent species the works dealt with was cattle (14.10%). Editorial times between the reception and publication of the manuscripts have cotinued reducing from the previous years' reports. CiteScore reached a value of 0.44, placing the journal at a Q3 position in Scopus. [ABSTRACT FROM AUTHOR]

Introduction: Foreign body ingestion (FBI) is common in pediatrics and can lead to complications. The aim of the present study is to review the experience of our center in the management of these patients and to propose a treatment protocol. Material and Method: Retrospective, observational and descriptive cross-sectional study, in which the endoscopic reports and records of patients diagnosed with IFB managed by the Pediatric Endoscopy Unit of the Regional Clinical Hospital of Concepción between January 2013 and June 2017 (53 months) were reviewed, with a total of 40 cases. Data recording and analysis was performed with Microsoft® Excel 2016® for MacOS®. Results: The average age was 3,96 ± 3,24 years. The statistical fashion was 2 years. All patients underwent a upper gastrointestinal endoscopy. The most frequent FB was the coin (61,9%). In 6 opportunities (14,2%) was a button batery. FB retention was in the proximal third of the esophagus (30,9%), the gastric body (26,2%) and the distal third of the esophagus (14,2%), being extracted mainly with foreign body clamp (90,4%). The 57,5% showed some injury related to the location of the FB, being the most serious the produced by button batery. Conclusion: FBI in children is a potentially dangerous entity, so it becomes necessary to have a pediatric endoscopy unit and treatment protocols to avoid complications, especially with high-risk objects. [ABSTRACT FROM AUTHOR]

Copyright of Revista Cuarzo (REC) is the property of Fundacion Universitaria Juan N. Corpas and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Agro Productividad is the property of Colegio de Postgraduados and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Agro Productividad is the property of Colegio de Postgraduados and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Ecologia Austral is the property of Asociacion Argentina de Ecologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Agro Productividad is the property of Colegio de Postgraduados and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Journal de Ciencia e Ingeniería is the property of Corporacion Universitaria Autonoma del Cauca and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Agro Productividad is the property of Colegio de Postgraduados and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Ortopédica Mexicana is the property of Sociedad Mexicana de Ortopedia, AC and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

OBJECTIVES: 1) To develop and validate an instrument to measure mastery of critical reading of clinical research articles. 2)To investigate the degree of mastery of the ability of critical reading. 3) To explore the effect of years of experience in the specialty, critical reading of clinical research articles in student residence in Otolaryngology. MATERIAL AND METHOD: A cross-sectional and comparative study on medical residents from health sector of the four years. It was constructed and validated an instrument with summaries of published clinical articles, with 90 items to explore critical reading in three capacities: interpretation, judgment and proposals with a reliability index of 0.94. RESULTS: The global qualifications (medium) were low (maximum: 90), 67% of them (67 students out of a population of 100) did not exceed the level of qualification explainable by chance. In none hospital from health sector was found a significant effect of years of residence on the ability to critically read clinical articles. CONCLUSIONS: The domain of critical reading of clinical research articles is low in Otolaryngology residents of various hospitals in the health sector, no difference was found in the comparison between years of experience in the residence. [ABSTRACT FROM AUTHOR]

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Introduction: Suicide is a growing public health problem at global and national levels, with differences in its distribution according to sociodemographic characteristics. The objective of this study is to describe the epidemiological situation of hospital deaths in Chile due to consummated suicide in the period 2001-2019 according to sex, age, region of residence and mechanism used. Material y methods: Observational, descriptive, ecological and longitudinal study. It included hospital deaths in Chile 2001-2019 from the hospital discharge databases of the Department of Statistics and Health Information and the National Institute of Statistics. Considering those discharged as deceased due to self-inflicted injuries, without exclusion criteria. Collected and analyzed according to descriptive techniques in Microsoft Excel® to obtain relative importance. The variables studied were sex, age, region of residence, year and discharge diagnosis. Ethics committee approval was not required. Results: 640 suicides were observed with a male predominance throughout the period and concentrating 68.9% of the cases between 21-39 years. At the territorial level, the Metropolitan region stands out with 41.3% of deaths. The most used method was poisoning (56.3%), followed in frequency by hanging (15.4%) and smoke, fire or flames (9.5%), respectively. Discussion: Suicide cases in Chile are concentrated in the male and young population with a greater predilection for violent methods compared to their female counterparts, which is consistent with international evidence. It is necessary to focus on the preventive strategy on this group, as they present a lower rate of consultation in mental health. [ABSTRACT FROM AUTHOR]

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Copyright of Revista Española de Cirugía Oral y Maxilofacial is the property of Sociedad Espanola de Cirugia Oral y Maxilofacial (SECOM) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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