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Simulation of a gas-condensate mixture passing through a porous medium in depletion mode 以耗尽模式通过多孔介质的凝析气混合物的模拟
Russian Family Doctor Pub Date : 2019-12-15 DOI: 10.22363/2658-4670-2019-27-3-205-216
A. Volokhova, E. Zemlyanaya, V. V. Kachalov, V. Rikhvitsky, V. N. Sokotushchenko
{"title":"Simulation of a gas-condensate mixture passing through a porous medium in depletion mode","authors":"A. Volokhova, E. Zemlyanaya, V. V. Kachalov, V. Rikhvitsky, V. N. Sokotushchenko","doi":"10.22363/2658-4670-2019-27-3-205-216","DOIUrl":"https://doi.org/10.22363/2658-4670-2019-27-3-205-216","url":null,"abstract":"One of important tasks in a development of gas-condensate fields is to minimize hydrocarbons loss arising from the gas condensation in pores of the gas-bearing layer. The search for the optimal gas production regime is carried out both on the basis of laboratory experiments and on the base of computer simulation. In this regard, the relevant is the verification of the constructed mathematical models by means of comparison of numerical results with experimental data obtained on the laboratory models of a hydrocarbon reservoirs. Within the classical approach on the basis of the Darcy law and the law continuity for flows, the model is formulated that describes the passing a multicomponent gas-condensate mixture through a porous medium in the depletion mode. The numerical solution of the corresponding system of nonlinear partial differential equations is implemented on the basis of the combined use of the C++ programming language and the Maple software. Shown that the approach used provides an agreement of results of numerical simulations with experimental data on the dynamics of hydrocarbon recoverability depending on the pressure obtained at VNIIGAZ, Ukhta.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125432192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geodesic motion near self-gravitating scalar field configurations 自引力标量场结构附近的测地线运动
Russian Family Doctor Pub Date : 2019-12-15 DOI: 10.22363/2658-4670-2019-27-3-231-241
I. Potashov, Ju. V. Tchemarina, A. Tsirulev
{"title":"Geodesic motion near self-gravitating scalar field configurations","authors":"I. Potashov, Ju. V. Tchemarina, A. Tsirulev","doi":"10.22363/2658-4670-2019-27-3-231-241","DOIUrl":"https://doi.org/10.22363/2658-4670-2019-27-3-231-241","url":null,"abstract":"We study the geodesics motion of neutral test particles in the static spherically symmetric spacetimes of black holes and naked singularities supported by a selfgravitating real scalar field. The scalar field is supposed to model dark matter surrounding some strongly gravitating object such as the centre of our Galaxy. The behaviour of timelike and null geodesics very close to the centre of such a configuration crucially depends on the type of spacetime. It turns out that a scalar field black hole, analogously to a Schwarzschild black hole, has the innermost stable circular orbit and the (unstable) photon sphere, but their radii are always less than the corresponding ones for the Schwarzschild black hole of the same mass; moreover, these radii can be arbitrarily small. In contrast, a scalar field naked singularity has neither the innermost stable circular orbit nor the photon sphere. Instead, such a configuration has a spherical shell of test particles surrounding its origin and remaining in quasistatic equilibrium all the time. We also show that the characteristic properties of null geodesics near the centres of a scalar field naked singularity and a scalar field black hole of the same mass are qualitatively different.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117153757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Computational experiment in era of HPC 高性能计算时代的计算实验
Russian Family Doctor Pub Date : 2019-12-15 DOI: 10.22363/2658-4670-2019-27-3-263-267
A. Ayriyan
{"title":"Computational experiment in era of HPC","authors":"A. Ayriyan","doi":"10.22363/2658-4670-2019-27-3-263-267","DOIUrl":"https://doi.org/10.22363/2658-4670-2019-27-3-263-267","url":null,"abstract":"In this note we discuss the impact of development of architecture and technology of parallel computing on the typical life-cycle of the computational experiment. In particular, it is argued that development and installation of high-performance computing systems is indeed important itself regardless of specific scientific tasks, since the presence of cutting-age HPC systems within an academic infrastructure gives wide possibilities and stimulates new researches.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127662281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acute respiratory viral infections in children 儿童急性呼吸道病毒感染
Russian Family Doctor Pub Date : 2019-11-19 DOI: 10.17816/rfd2019319-22
I. Moiseeva
{"title":"Acute respiratory viral infections in children","authors":"I. Moiseeva","doi":"10.17816/rfd2019319-22","DOIUrl":"https://doi.org/10.17816/rfd2019319-22","url":null,"abstract":"Acute respiratory viral infections in children lead in the structure of child morbidity. The defeat of the upper respiratory tract accompanied by fever and impaired general condition, the main symptoms of acute respiratory viral infections. Diagnosis of most acute respiratory viral infections is based on the assessment of clinical manifestations and does not require the use of specific laboratory and instrumental methods. Modern approaches to treatment are timely and adequate symptomatic therapy.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"59 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114893990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
The role of Astana primary health care declaration for development of primary health care at postsoviet countryes 阿斯塔纳初级卫生保健宣言对后苏联国家初级卫生保健发展的作用
Russian Family Doctor Pub Date : 2019-11-19 DOI: 10.17816/rfd2019313-18
N. Brimkulov, Бримкулов Нурлан Нургазиевич, D. Nugmanova, Нугманова Дамиля Сакеновна
{"title":"The role of Astana primary health care declaration for development of primary health care at postsoviet countryes","authors":"N. Brimkulov, Бримкулов Нурлан Нургазиевич, D. Nugmanova, Нугманова Дамиля Сакеновна","doi":"10.17816/rfd2019313-18","DOIUrl":"https://doi.org/10.17816/rfd2019313-18","url":null,"abstract":"The article presents the goals, principles and results of the implementation of the Almaty Declaration of the World Health Organization (WHO) on primary health care (PHC) of 1978; the background and main provisions of the Astana Declaration of WHO on PHC 2018. The article presents the stages of PHC development in the USSR, which was characterized by the widespread introduction of narrow specialists at the primary level of health care, which subsequently had certain negative consequences. In a number of post-Soviet countries, the principles of General medical practice (family medicine) were implemented in health care reform, but some provisions of the Alma-Ata Declaration were introduced with distortions. This has led to a lack of effective functioning of the PHC system, a shortage of General practitioners, especially in rural areas. The implementation of the main principles of the new Astana Declaration will be important for the effective implementation of health care reforms in all post-Soviet countries.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"137 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124283715","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Breast examination 乳房检查
Russian Family Doctor Pub Date : 2019-11-19 DOI: 10.17816/rfd201935-11
A. Lebedev
{"title":"Breast examination","authors":"A. Lebedev","doi":"10.17816/rfd201935-11","DOIUrl":"https://doi.org/10.17816/rfd201935-11","url":null,"abstract":"Breast cancer is the most common malignant neoplasm in women. With a life expectancy of 74 years, this disease occurs in every twentieth woman. Early detection of breast cancer allows for providing radical treatment, significantly improving the prognosis of the disease. The main tasks of general practitioners are to diagnose breast cancer in a timely manner, taking into account risk factors, medical history data, various methods for breast examining, convincing women of the importance of regular examination and passing a preventive medical examination.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117257115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Diary of self-monitoring of the patient as a way to increase adherence to the treatment of patients with chronic heart failure 将患者日记自我监测作为增加慢性心力衰竭患者治疗依从性的一种方式
Russian Family Doctor Pub Date : 2019-08-08 DOI: 10.17816/RFD2019221-26
E. Frolova, Alena I. Ogorelysheva, Ekaterina S. Spasenova, Tamara R. Khalilova
{"title":"Diary of self-monitoring of the patient as a way to increase adherence to the treatment of patients with chronic heart failure","authors":"E. Frolova, Alena I. Ogorelysheva, Ekaterina S. Spasenova, Tamara R. Khalilova","doi":"10.17816/RFD2019221-26","DOIUrl":"https://doi.org/10.17816/RFD2019221-26","url":null,"abstract":"Chronic heart failure (CHF) is the most frequent and severe complication of cardiovascular disease (CVD). One of the most important aspects of management of patients with CHF remains to ensure adherence to treatment. The purpose of the study was to assess the effectiveness of therapy of patients with CHF with the use of a diary of self-control as a way of enhancing adherence to therapy. Materials and methods. A continuous sequential sample was used to select 40 patients with diagnosed Heart Failure II-IV FC (NYHA), who were then randomized into two groups: the follow-up group (n = 20) and the control group (n = 20). The study duration was 8 weeks. Patients of the observation group received materials on self-control (“Diary of a patient with heart failure”). For them, 3 control visits and 8 phone calls were organized once a week. The participants of the control group were observed in the usual conditions of practical health care; 3 control visits to the doctor were provided for them. The results obtained at week 8 of the study showed that the number of complaints of foot and Shin edema decreased by 2 times compared to the initial data; in the control group, the frequency of complaints did not have a positive dynamic. Conclusion. Use of a diary of self-control is the easiest method of improving adherence of patients with CHF to treatment.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129015617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Basics of care for a patient with a stroke 中风病人的基本护理
Russian Family Doctor Pub Date : 2019-08-08 DOI: 10.17816/RFD2019205-14
D. Kandyba, Кандыба Дмитрий Викторович
{"title":"Basics of care for a patient with a stroke","authors":"D. Kandyba, Кандыба Дмитрий Викторович","doi":"10.17816/RFD2019205-14","DOIUrl":"https://doi.org/10.17816/RFD2019205-14","url":null,"abstract":"The lecture devoted to general practitioners presents modern ideas about the provision of qualified outpatient care for a patient who has had a stroke. The basic principles of detection and prevention of complications, developing mainly in elderly and senile patients, in the early recovery period after a stroke.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123066931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Innovative teaching methods. Problem-based learning and distance-learning technologies 创新教学方法。基于问题的学习和远程学习技术
Russian Family Doctor Pub Date : 2019-08-08 DOI: 10.17816/RFD2019227-34
O. Kuznetsova, Кузнецова Ольга Юрьевна, L. Degtyareva, Дегтярева Людмила Николаевна, I. Moiseeva, Моисеева Ирина Евгеньевна
{"title":"Innovative teaching methods. Problem-based learning and distance-learning technologies","authors":"O. Kuznetsova, Кузнецова Ольга Юрьевна, L. Degtyareva, Дегтярева Людмила Николаевна, I. Moiseeva, Моисеева Ирина Евгеньевна","doi":"10.17816/RFD2019227-34","DOIUrl":"https://doi.org/10.17816/RFD2019227-34","url":null,"abstract":"The article describes modern methods of education, the most effective in teaching of clinical disciplines. Outlines the basic principles of problem-oriented learning compared with traditional methods of teaching. The characteristic of distance learning technologies is given. The role of the student in the process of mastering knowledge and practical skills is emphasized. It justifies the need to use innovative technologies in medical education, especially when development of new competencies by doctors who have their own clinical experience, particularly, in geriatrics training.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127674213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hypertension in pregnancy in general practice 妊娠高血压的一般做法
Russian Family Doctor Pub Date : 2019-08-08 DOI: 10.17816/RFD2019215-20
I. Moiseeva
{"title":"Hypertension in pregnancy in general practice","authors":"I. Moiseeva","doi":"10.17816/RFD2019215-20","DOIUrl":"https://doi.org/10.17816/RFD2019215-20","url":null,"abstract":"Hypertension occurs in 5–30% of pregnant women. Its medical and social significance is associated with the risk of a negative impact on the course of pregnancy and on the condition of the fetus and newborn.This requires from the general practitioner to have enough knowledge and skills in this area.Clinical variants of hypertension in pregnancy include pre-existing hypertension (chronic hypertension), gestational hypertension, chronic hypertension complicated by preeclampsia, and preeclampsia/eclampsia.The main tasks of general practitioners — early diagnosis, proper treatment and prevention of complications of hypertension in pregnant women.","PeriodicalId":432054,"journal":{"name":"Russian Family Doctor","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128394518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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