Using Ti(OC4H9)4 as precursor, CO(NH2)2 as nitrogen source, tourmaline as support, the nitrogen-doped nano TiO2/tourmaline composites were synthesized by sol-gel method with ultrasound assisted.The structure and performance of theplayfulcollectivees.shop composites were characterized by XRD, FT-IR, UV-Vis DRS, SEM, EDS.The effects of calcining temp
Global Positioning System (GPS)-based positioning has become an indispensable part of our daily lives.A GPS receiver calculates its distance from a satellite by measuring the signal reception delay.Then, after determining its position relative to at least four satellites, the receiver obtains its precise location in three dimensions.There is a fund
The article analyzes the results of measuring the parameters of the engagement of students and research and teaching staff of the university.Based on the experience of the leading Lighters consulting companies, MEPhI has developed a technology for assessing the engagement parameters used to measure the level of emotional state of personnel.A specia
Abstract Following a request from the Commission, the Panel on Dietetic Products, Nutrition and Allergies was asked to deliver a Wooden Train Set scientific opinion on the appropriate age for the introduction of complementary food for infants in the EU.Many European countries have adopted the WHO recommendation for the duration of exclusive breast�
Abstract Background Congenital coronary fistulas (CAFs) are uncommon abnormalities communicating the coronary arteries with the cardiac chambers or portion of the systemic or pulmonary circulation.Over 90% of the cases drain into the right side of the heart with only 3% terminating in the left ventricle.Infants with a large CAFs may develop congest