Results 71 to 80 of about 8,209,485 (298)
四川大学学报. 自然科学版, 2021 In order to achieve infrared stealth under different background temperatures, it is necessary to study infrared stealth materials with adjustable emissivity.
LI Si-Rui +5 more
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Research Progress of High Temperature Microwave Absorption Materials
Journal of Aeronautical Materials, 2018 High temperature microwave absorption material is significantly important to improve the viability of advanced weapon and equipment. This paper summarizes the research progress of high temperature microwave absorption materials.
LIANG Caiyun, WANG Zhijiang
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Advanced Science, EarlyView.By altering surface chemical bonds to prolong relaxation time and shift absorption to lower frequencies, SiC/rare earth–sulfur (RE─S, RE = La, Ce, Pr, Sm, Gd, Er) materials achieve excellent low‐frequency electromagnetic wave absorption under extreme conditions, offering a new direction for designing high‐performance SiC‐based absorbers.
Zhanming Wu +5 more
wiley +1 more source
Active Cancellation Stealth Technology Analysis and Verification in Experiment
Procedia Computer Science, 2019 Abstract As a Radar Countermeasure technique, Active cancellation could further decrease the radar detection probability of a stealthy target in some interest directions accomplishing with some traditional stealth techniques. According to radar equation, the received power of radar from the scattering of the target is positively linearly relative to ...
Yang Bai, Wu Yang, Wei Xiao, Chao Gao
openaire +2 more sources
Active Cancellation Stealth Analysis Based on Cancellaty [PDF]
, 2015 Active cancellation stealth is a significant developing direction in modern stealth technology field. In this paper, according to characteristics of linear frequency modulated (LFM) signal and nonlinear frequency modulated (NLFM) signal, the cancellation
Lifeng Wang +3 more
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Advanced Science, EarlyView.Morphological anisotropy directs the in vivo transport under physiological flow and clearance of silica nanocarriers. Increasing anisotropy reduces cellular uptake, suppresses hepatic and splenic sequestration, and prolongs systemic circulation by steering particles toward the central flow core.
Xiaofei Li +11 more
wiley +1 more source
Preparation and infrared stealth properties of SiO2/Al2O3 nanocomposite powders with low emissivity
工程科学学报, 2016 Crystalline and amorphous SiO2/Al2O3 nanocomposite powders were prepared by a sol-gel method. The structure and morphology of the nanocomposite powders were characterized by X-ray diffraction and transmission electron microscopy, while the in-frared ...
CHEN Ke +4 more
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Advanced Science, EarlyView.Confined diffusion‐driven interfacial engineering enables the nanoscale construction of asymmetric SiC@C Janus hollow nanoshells, achieving synergistic impedance matching and electromagnetic energy dissipation for highly efficient broadband microwave absorption at ultralow filler loading.
Limeng Song +17 more
wiley +1 more source
Advanced Science, EarlyView.Self‑amplifying PCSK9–LOX‑1 feedback axis drives atherosclerotic progression by promoting oxLDL generation and endothelial uptake. A dual‑targeting nanoplatform (siPCSK9@PEAL NPs‑aL) is constructed to simultaneously silence hepatic PCSK9 for lipid lowering and block plaque LOX‑1 for anti‑inflammation.
Yi Duan +7 more
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Wendy Brown, Undoing the Demos: Neoliberalism’s Stealth Revolution
, 2017 Review of Wendy Brown, Undoing the Demos: Neoliberalism’s Stealth Revolution, Zone Books, New York 2015, in “Filosofia politica”, XXXI, Vol. 2, pp.
MORO V
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