Results 61 to 70 of about 17,385 (315)
, 2014 Libration-point orbit (LPO) missions are often selected for study the Sun and our Universe. The effect of perturbations such as the gravitational effect of other planets and Solar Radiation Pressure (SRP) makes the LPO's environment highly unstable. Thus,
Colombo, Camilla +7 more
core +1 more source
Novel mission concepts for polar coverage : An overview of recent developments and possible future applications [PDF]
, 2012 The paper provides a survey of novel mission concepts for continuous, hemispheric polar observation and direct-link polar telecommunications. It is well known that these services cannot be provided by traditional platforms: geostationary satellites do ...
Diedrich, Benjamin +5 more
core +1 more source
Periodic solutions with long period for the Mackey–Glass equation
Electronic Journal of Qualitative Theory of Differential Equations, 2020 The limiting version of the Mackey–Glass delay differential equation $x'(t)=-ax(t)+bf(x(t-1))$ is considered where $a,b$ are positive reals, and $f(\xi)=\xi$ for $\xi\in[0,1)$, $f(1)=1/2$, and $f(\xi)=0$ for $\xi> 1$.
Tibor Krisztin
doaj +1 more source
Hijacking emergency granulopoiesis: Neutrophil ontogeny and reprogramming in cancer
Molecular Oncology, EarlyView.Neutrophils are highly plastic innate immune cells; their functions in cancer extend beyond the tumour microenvironment. This Review summarises current understanding of neutrophil maturation and heterogeneity and highlights tumour‐induced granulopoiesis as a systemic programme that expands immature, immunosuppressive neutrophils via tumour‐derived ...
Gabriela Marinescu, Yi Feng
wiley +1 more source
Bifurcation from relative periodic solutions [PDF]
, 2001 Published ...
Lamb, JSW +8 more
core +1 more source
Orbit Determination Error Analysis for the KOMPSAT [PDF]
Journal of Astronomy and Space Sciences, 1998 Orbit error analysis was performed for the GPS navigation solutions and ground station tracking data of the KOMPSAT (Korea Multi-Purpose SATellite), which will be launched in 1999 for cartography of Korean peninsula as main mission. A least square method
Jeong-Sook Lee, Byoung-Sun Lee
doaj
四川大学学报. 自然科学版, 2021 We investigate the crossing periodic orbits of a piecewise linear Lienard-like system with symmetric admissible foci. By reducing the system to a normal form with less parameters and constructing the Poincare maps for the left and right subsystems, we ...
LUO Yan-Hong, CHEN Xing-Wu
doaj
Molecular Oncology, EarlyView.CIN85 is highly expressed in osteosarcoma, particularly in metastatic lesions. Its overexpression increases cell migration and Matrigel invasion, while silencing CIN85 suppresses these behaviors. Transcriptome analysis shows that CIN85 regulates MMP2, COL3A1, and Akt/mTOR signaling. Targeting these pathways reverses CIN85‐induced motility, highlighting
Iryna Horak +10 more
wiley +1 more source
Orbit structure and (reversing) symmetries of toral endomorphisms on rational lattices
, 2012 Baake M, Neumärker N. Orbit structure and (reversing) symmetries of toral endomorphisms on rational lattices. Discrete and continuous dynamical systems A.
Neumärker, Natascha, Baake, Michael
core +1 more source