The stratospheric satellite is regarded as an ideal stratosphere flight platform and is able to accomplish various missions such as surveillance, earth observation, and remote sensing, which requires a robust and effective trajectory tracking control method to support these tasks.A natio celebrate eyeshadow palette novel observer-based robust finit

To study the effect of Arctic low temperatures on the behavior of HG785 high strength steel butt joints, the microstructure observation, hardness distribution tests, and uniaxial tensile tests were performed on the butt joints fabricated by using two types of weld metals with exposure to five ambient and low temperatures.The results show that the b

In agriculture, new and sustainable strategies are increasingly demanded to integrate the traditional management of viral diseases luau thank you cards based on the use of virus-free propagation materials and resistant or tolerant cultivars and on the control of insect vectors.Among the possible Integrated Pest Management (IPM) approaches, organic