Results 31 to 40 of about 7,103,529 (395)

Towards an integrated scientific and social case for human space exploration [PDF]

open access: yes, 2004
I will argue that an ambitious programme of human space exploration, involving a return to the Moon, and eventually human missions to Mars, will add greatly to human knowledge. Gathering such knowledge is the primary aim of science, but science's compart-
Crawford, Ian
core   +1 more source

InSituNet: Deep Image Synthesis for Parameter Space Exploration of Ensemble Simulations [PDF]

open access: yesIEEE Transactions on Visualization and Computer Graphics, 2019
We propose InSituNet, a deep learning based surrogate model to support parameter space exploration for ensemble simulations that are visualized in situ.
Wenbin He   +7 more
semanticscholar   +1 more source

PAHs, hydrocarbons, and dimethylsulfides in Asteroid Ryugu samples A0106 and C0107 and the Orgueil (CI1) meteorite

open access: yesEarth, Planets and Space, 2023
Evaluating the molecular distribution of organic compounds in pristine extraterrestrial materials is cornerstone to understanding the abiotic synthesis of organics and allows us to better understand the molecular diversity available during the formation ...
José C. Aponte   +34 more
doaj   +1 more source

Exploring the Intermembrane Space [PDF]

open access: yesACS Chemical Biology, 2007
Despite the importance that many components of the intermembrane space (IMS) of mitochondria play in cellular function, the targeting sequences that are responsible for transporting proteins to this subcellular compartment are not fully understood.
openaire   +2 more sources

Graph Subsumption in Abstract State Space Exploration [PDF]

open access: yes, 2012
In this paper we present the extension of an existing method for abstract graph-based state space exploration, called neighbourhood abstraction, with a reduction technique based on subsumption.
Rensink, Arend, Zambon, Eduardo
core   +3 more sources

Scarcity of scale-free topology is universal across biochemical networks

open access: yesScientific Reports, 2021
Biochemical reactions underlie the functioning of all life. Like many examples of biology or technology, the complex set of interactions among molecules within cells and ecosystems poses a challenge for quantification within simple mathematical objects ...
Harrison B. Smith   +2 more
doaj   +1 more source

Imaging in Space Exploration [PDF]

open access: yesAmerican Journal of Neuroradiology, 2011
I remember the amazement I felt when man walked on the moon. Today, I feel that monies spent on space exploration would be better used in green energy and ocean preservation programs. We already live on earth, the most perfect spaceship of all: Why go beyond it?
openaire   +2 more sources

Chemical Space Exploration of Oxetanes [PDF]

open access: yesInternational Journal of Molecular Sciences, 2020
This paper focuses on new derivatives bearing an oxetane group to extend accessible chemical space for further identification of kinase inhibitors. The ability to modulate kinase activity represents an important therapeutic strategy for the treatment of human illnesses. Known as a nonclassical isoster of the carbonyl group, due to its high polarity and
Fernando Rodrigues de Sá Alves   +2 more
openaire   +2 more sources

Spectral interpretation of late-stage mare basalt mineralogy unveiled by Chang’E-5 samples

open access: yesNature Communications, 2022
Laboratory spectroscopic and X-ray diffraction analyses on the Chang’E-5 lunar soil samples have demonstrated that the spectral features of lunar late-stage mare basalts are representative of iron-rich high-Ca pyroxene rather than olivine.
Dawei Liu   +12 more
doaj   +1 more source

Simulation Research and Analysis of Wavelength Modulation Off-Axis Integrated Cavity Output Spectrum Measurement System

open access: yesSensors
Wavelength modulation spectroscopy off-axis integrated cavity output spectroscopy (WMS-OA-ICOS) is an in situ detection technique suitable for analyzing trace gases in the atmospheres, characterized by its high sensitivity and ease of integration ...
Tao Wu   +10 more
doaj   +1 more source

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