Bài viết này trình bày kết quả nghiên cứu phân tán nano Fe3O4 trên xơ dừa để chế tạo vật liệu hấp phụ và khảo sát các yếu tố ảnh hưởng đến khả năng hấp phụ các ion kim loại nặng trong môi trường nước của vật liệu.

 6 p vaa 25/10/2020 97 0 Download

Vật liệu thủy tinh phát quang với tỉ lệ 32 BaO –23B2O3 – (45 - x) SiO2 – xDy2O3 (trong đó x = 1.0 và 1.5), được chế tạo bằng phương pháp phản ứng pha rắn. Phổ kích thích, phổ quang phát quang của vật liệu xác nhận ion Dy3+ giữ vai trò vừa là tâm hấp thụ vừa là tâm phát quang. Giá trị tọa độ màu của ánh sáng phát quang cho thấy khả năng ứng dụng...

 8 p vaa 25/10/2020 162 0 Download

This document is the EUROCONTROL Specification for Airspace Management (ASM) Support System Requirements supporting the ASM processes at local and FAB level - Part I - Baseline Requirements. It has been developed in collaboration with stakeholders from civil and military air navigation service providers and airspace users.

 56 p vaa 16/10/2020 272 0 Download

What is an airspace concept – Module 4: European airspace concept workshops for PBN implementation present the content the purpose of an airspace concept is and how it should drive any successful implementation.

 61 p vaa 16/10/2020 310 0 Download

Eurocontrol manual for airspace planning - Common guidelines present the following table records the complete history of the successive editions of the present document; presentation of the manual; specific remarks relevant to the second edition; general guidelines for the establishment of airspace structures; principles for the design of airspace structures...

 203 p vaa 16/10/2020 247 0 Download

Airspace volumes & sectorisation - Module 13: European airspace concept workshops for PBN implementation this module will provide an good understanding of Airspace volumes and Sectorisation supporting ATM...

 28 p vaa 16/10/2020 267 0 Download

Ebook "Airplane flying handbook: Part 2" present the content performance maneuvers; night operations; transition to complex airplanes; transition to multi engine airplanes; transition to tail wheel airplanes; transition to turbopropellerpowered airplanes; transition to jet-powered airplanes; transition to light sport airplanes (LSA).

 176 p vaa 09/10/2020 221 2 Download

Ebook "Airplane flying handbook: Part 1" present the content introduction to flight training, ground operations, basic flight maneuvers, maintaining aircraft control upset prevention and recovery training, take offs and departure climbs, ground reference maneuvers, airport traffic patterns, approaches and landings.

 172 p vaa 09/10/2020 272 2 Download

Ebook "Understanding Flight (Second Edition)" present the content: principles of flight, wings, stability and control, airplane propulsion, high-speed flight, airplane performance, aerodynamic testing, helicopters and auto gyro, structures, basic concepts, misapplication of Bernoulli’s principle.

 314 p vaa 09/10/2020 206 1 Download

Ebook "Getting to grips with aircraft performance" present the content: general, the international standard atmosphere (ISA), altimetry principles, operating speeds, aircraft limitations, takeoff, en route limitations, landing, cruise, descent / holding, fuel planning and management, appendix.

 216 p vaa 09/10/2020 213 0 Download

Ebook "Annex 3 to the convention international civil aviation civil aviation: Meteorological service for international air navigation" present the content general provisions, world area forecast system and meteorological offices, meteorological observations and reports, aircraft observations and reports, sigmet and airmet information, aerodrome warnings and wind shear warnings and alerts, aeronautical climatological information, information...

 208 p vaa 09/10/2020 353 0 Download

Ebook “Airport services manual” present the content: general considerations, level of protection to be provided, airport facilities affecting rescue and firefighting services, communication and alarm requirements, factors in the specification process for rescue and firefighting vehicles, protective clothing and respiratory equipment, ambulance and medical services, extinguishing agent characteristics, fire station, personnel, emergency...

 170 p vaa 09/10/2020 197 1 Download