Filters








129 Hits in 11.5 sec

C2H [chapter]

2015 Encyclopedia of Astrobiology  
The cation C 3 H + is thought to play an important role in gas phase reactions in the ▶ interstellar medium that lead to the formation of small hydrocarbons.  ...  The neutral radical, C 3 H (▶ propynylidyne) can exist in both a linear (l-C 3 H) and a cyclic (c-C 3 H) form, and both these neutral species have been detected in interstellar molecular clouds.  ...  pathway of synthesis of organic compounds.  ... 
doi:10.1007/978-3-662-44185-5_100142 fatcat:bkzmrhdghvhbdh7s3u4aem7aaa

Themenheft zu Heft 5

(:Unkn) Unknown, Mediarep.Org, Jörg Schirra
2021 Image  
for applications, stimulated discussions and helped to improve certain aspects of the above-mentioned tools.  ...  We also thank Sheelagh Carpendale, Pauline Jepp, Petra Neumann, and Martin Schwarz for fruitful discussions on the topic.  ...  When it reaches age 5, it is transformed in a red segment (B (10, 4) ) and stops growing (there is no A on the right-hand side of the rule in line 5).  ... 
doi:10.25969/mediarep/16743 fatcat:uh3wpotdmjgpjciazcj4cmbjie

Vocabulary of Definitions of Life Suggests a Definition

Edward N. Trifonov
2011 Journal of Biomolecular Structure and Dynamics  
Analysis of the vocabulary of 123 tabulated definitions of life reveals nine groups of defining terms (definientia) of which the groups (self-)reproduction and evolution (variation) appear as the minimal  ...  set for a concise and inclusive definition: Life is self-reproduction with variations.  ...  Acknowledgements Author is grateful to anonymous reviewers for thoughtful comments, criticism and suggestions towards improvement of the paper.  ... 
doi:10.1080/073911011010524992 pmid:21875147 fatcat:tvd23tk7cvaitlbiknjv23ba6e

Long range interactions in nanoscale science

Roger H. French, V. Adrian Parsegian, Rudolf Podgornik, Rick F. Rajter, Anand Jagota, Jian Luo, Dilip Asthagiri, Manoj K. Chaudhury, Yet-ming Chiang, Steve Granick, Sergei Kalinin, Mehran Kardar (+12 others)
2010 Reviews of Modern Physics  
From this basic-forces perspective, a large number of systems are described from which one can learn about these organizing forces and how to modulate them.  ...  Our understanding of the "long range" electrodynamic, electrostatic, and polar interactions that dominate the organization of small objects at separations beyond an interatomic bond length is reviewed.  ...  ACKNOWLEDGMENTS We thank Harriet Kung, Director of Science, Office of Basic Energy Sciences ͑OBES͒ of the U.S. Department  ... 
doi:10.1103/revmodphys.82.1887 fatcat:qe3ys55ixnhstezvqopolrzldu

Electric Double Layer Capacitor [chapter]

2016 Encyclopedia of Nanotechnology  
LC 50 The lethal concentration 50 % is the dose required to kill half the members of a tested population for a test duration. It is a general indicator of a substance's acute toxicity.  ...  IC 25 estimates of the concentration causing 25 % reduction in growth or reproduction of test organisms.  ...  Due to the limitation of the number of references, we favored the citation of reviews and the most recent articles.  ... 
doi:10.1007/978-94-017-9780-1_100279 fatcat:bwewyikjfjckhfucz5ta2fhg7a

Electronic Properties [chapter]

2016 Encyclopedia of Nanotechnology  
LC 50 The lethal concentration 50 % is the dose required to kill half the members of a tested population for a test duration. It is a general indicator of a substance's acute toxicity.  ...  IC 25 estimates of the concentration causing 25 % reduction in growth or reproduction of test organisms.  ...  Due to the limitation of the number of references, we favored the citation of reviews and the most recent articles.  ... 
doi:10.1007/978-94-017-9780-1_100299 fatcat:uafi4jywlrhfxdtcrlnvzgboti

Near Death Experiences: Falling Down a Very Deep Well

Claudio Messori
2018 OALib  
organism, which occurs as a progressive breakdown of metabolic processes, resulting in irreversible deterioration of the affected systems and organs of the body) [13] [14], that is: severe hypothermia  ...  NDS or an NDLS [7], nor to validate a NDE by completing an alternative, or integrative, scale to the existing ones, such as the Greyson's This work is based on the assumption that consciousness and mind-body  ...  In general case phase relates to possible descriptions of physical system at changing of its parameters on which this system depends (e.g. temperature, type of space, time, string tie constant in string  ... 
doi:10.4236/oalib.1104985 fatcat:zgf2hugoejholgwewj54wguxwq

Proceedings of the 5th International Conference on Live Interfaces

Øyvind Brandtsegg, Daniel Formo
2020 Zenodo  
Collected proceedings from the 5th ICLI, edited by Brandtsegg and Formo.  ...  When the words reach the performer, the cell bars start to move, as if the solitary confinement structure becomes alive, transformed into a puppet.  ...  The artists/engineeers involved in the case studies are: Andi Otto, Frank Baldé (for the STEIM software and Michel A natural immediate prospect will be the exploration of a variety of input devices and  ... 
doi:10.5281/zenodo.3928018 fatcat:z2yfhor2pngmxawzlzgl22y2fq

Polymer Synthesis: Theory and Practice

Matthias Rehahn Harald Cherdron
2020 Zenodo  
As a result of these and preferably of his own studies Hermann Staudinger (1881–1965) concluded in the early 1920s that substances like natural rubber, cellulose, and proteins but also many synthetic resins  ...  The origin of polymer science as a part of organic chemistry goes back to the end of the nineteenth century when chemists detected that the properties of many substances with colloidal properties are connected  ...  Pyrolysis-GC/MS can be used to determine the chemical structure of polymers and to examine their thermal degradation pathways.  ... 
doi:10.5281/zenodo.4022325 fatcat:6cen2wnwvffodm3w3eo3gongbi

Advanced Characterization and Modelling of Charge Transfer in Perovskite Solar Cells

Ilario Gelmetti, Emilio Palomares
2019 Zenodo  
PhD thesis of Ilario Gelmetti, under the supervision of Prof. Dr. Emilio Palomares in Institute of Chemical Research of Catalonia.  ...  Figure 3 . 5 : 35 Simulated effect on the ionic profile of the application of a voltage equal to the built-in voltage.  ...  It can also happen that the material, or a part of it, is just charged, for example due to the application of an electric field or in a space charge layer as will be seen further. Quasi-Fermi level.  ... 
doi:10.5281/zenodo.5326749 fatcat:f2n6bwbqjzhl5b2xnh2fpmgnxi

Energy and wavelength scaling of shock-ignited inertial fusion targets

S Atzeni, A Marocchino, A Schiavi, G Schurtz
2013 New Journal of Physics  
From density functional calculations we find that the low-T magnetic phase is paraelectric and the intermediate magnetic phase ferroelectric, with a size and direction of polarization in good agreement  ...  We disucss how this kind of multiferrolectricity can be manipulated by imputrities and light pulses and show estimates of the effect in CuO.  ...  Finally, the implications of these results and their potential applications for graphene based devices will be discussed.  ... 
doi:10.1088/1367-2630/15/4/045004 fatcat:c4lh6z3uavbktgx4didzjqxoiy

Twenty-Fifth Annual Meeting February 23–25, 1981 Denver Hilton, Denver, Colorado

1981 Biophysical Journal  
This approach permits us to check on the accuracy of a proposed mechanism and to derive properties of the molecules involved. Fluctuation-Dissipation relation must be employed.  ...  It is important to realize that spectra can only be interpreted in terms of molecular model.  ...  The dnaA product is necessary for the initiation of DNA synthesis in E. coli and is thought to also regulate its own synthesis.  ... 
doi:10.1016/s0006-3495(81)84897-7 fatcat:t5vbddhfgrbytlpchpvzl2clly

Ray tracing in a turbulent, shallow‐water channel

Christian Bjerrum‐Niese, René Lützen, Leif Bjo/rno/
1998 Journal of the Acoustical Society of America  
; and the influence of experience on structure and function of central auditory pathways.  ...  We present a new modeling approach based on a subtractive mechanism as found in excitatory-inhibitory type neurons in the auditory pathway.  ...  The sensitivity of this measure as a function of waveform parameters, scatterer structure, and measurement platform motion will be defined and its robustness on a multiping basis assessed.  ... 
doi:10.1121/1.422455 fatcat:vqypn7trzberzap3bkznkoddcu

Scattering by two spheres: Theory and experiment

Irina Bjo/rno/, Leif Bjo/rno/
1998 Journal of the Acoustical Society of America  
; and the influence of experience on structure and function of central auditory pathways.  ...  We present a new modeling approach based on a subtractive mechanism as found in excitatory-inhibitory type neurons in the auditory pathway.  ...  The sensitivity of this measure as a function of waveform parameters, scatterer structure, and measurement platform motion will be defined and its robustness on a multiping basis assessed.  ... 
doi:10.1121/1.421626 fatcat:qf2u35fztjfgtgredwhbg53zwm

Theoretical and experimental investigation of the insertion loss of a dissipative muffler

Christian Pommer, Viggo Tarnow
1986 Journal of the Acoustical Society of America  
A new VQ codebook for thc new speaker is therefore generated, and it is a one-to-one projected image of the VQ codebook of the standard speaker onto the feature space of the new speaker.  ...  Based on this model, it appears that the transition zone wall pressure is less intense than that of a fully developed turbulent layer by a factor equal approximately to the intermittency factor.  ...  This physical description provides a powerful means to organize a complicated nearfield of a radiator or a scatterer.  ... 
doi:10.1121/1.2024087 fatcat:tcee6inawvhubc6ftuk2ffhyce
« Previous Showing results 1 — 15 out of 129 results