Abstract. A 26-year, long-term record of atmospheric methane (CH4) measured in situ at the Mount Waliguan (WLG) station, only World Meteorological Organization (WMO) and Global Atmosphere Watch (GAW) global station inland Eurasia, is presented. Overall, a nearly continuous increase CH4 was observed WLG, with yearly growth rate 5.1±0.1 parts per billion (ppb) year during 1994–2019, except for so...

Background. The incidence of COVID-19 novel coronavirus infection has a wave-like pattern with surges in new cases followed by declines. Viral mutations, changes viral properties, and strains continue to emerge are regularly reported.The aim the study is present comparative analysis clinical epidemiological characteristics hospitalized patients during different periods pandemic Moscow.Materials...

BACKGROUND Mathematical models can help aid public health responses to Chagas disease. Models are typically developed to fulfill a particular need, and comparing outputs from different models addressing the same question can help identify the strengths and weaknesses of the models in answering particular questions, such as those for achieving the 2020 goals for Chagas disease. METHODS Using t...

Problems of research the territorial development old-developed regions are due to duration and extraordinary saturation historical processes that flowed continue in them. The study changes territories states various entities is important not only for understanding past: local regional conflicts whose roots often go deep into centuries, remain a long time these days, claims relevant now. This es...

Relevance. Anatomical and functional disorders in congenital clefts may be various. Their severity depends on the cleft size combination of a lip with an alveolar cleft. Alveolar bone grafting (ACBG) is one most important surgeries for patients palate rehabilitation. The study aimed to analyze results various age groups, summarizing available data supplementing them our own experience. Material...