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chemical phenomenon


  • WordNet 3.6
    • n chemical phenomenon any natural phenomenon involving chemistry (as changes to atoms or molecules)
    • ***


In literature:

We notice also the reverse phenomenon, namely, that chemical changes produced in the animal destroy its heliotropism.
"Darwin and Modern Science" by A.C. Seward and Others
Turning again to flames, another interesting physical phenomenon is seen on placing solutions of different chemical salts in the flame.
"Artificial Light" by M. Luckiesh
This gelatinous precipitation is a physico-chemical phenomenon of the same nature as coagulation.
"The Mechanism of Life" by Stéphane Leduc
Now, that is a chemical phenomenon.
"In Search of a Son" by William Shepard Walsh
Local chemical decomposition is supposed to account for the phenomenon.
"Highways and Byways in Cambridge and Ely" by Edward Conybeare
In a chemical laboratory the essential factors of any phenomenon can be determined by the process of elimination.
"The Greatest English Classic" by Cleland Boyd McAfee

In science:

It was pointed out in a previous note that the ATC AGL tiles have been processed and conditionned with chemically active products like solvants and wave length shifter, and that a chemical contamination was more likely than an (unoticed so far) ageing phenomenon of Silica.
Experimental study of a proximity focusing Cherenkov counter prototype for the AMS experiment
This suggests that the reentrant phenomenon can be ascribed to a mechanisms by which low degree nodes are “turned off ” at low temperature because they are frozen in the si = 0 state by the effect of the chemical potential ∆.
Phase transitions on heterogeneous random graphs: some case studies
In many intrusion detection applications, for example, radiation, chemical, and biology threats, due to the probabilistic nature of the phenomenon and the sensing mechanisms, an intruder will not be immediately detected once it enters the sensing range of a sensor.
Dynamic Coverage of Mobile Sensor Networks
As suggested by Baronchelli et al., this late-time process is analogous to coarsening, a well-known phenomenon from the theory of domain and phase ordering in physical and chemical systems .
Naming Games in Two-Dimensional and Small-World-Connected Random Geometric Networks
DTd clearly presents chemical equilibrium as a system phenomenon. DTd intent is to extend horizons of our understanding and to solve previously insoluble problems in real systems.
New Thermodynamic Paradigm of Chemical Equilibria
While most of the work has concentrated on the phenomenon and mechanism of the SHE itself, Uchida et al. have used the SHE as a detector of a spin dependent chemical potential arising from the spin Seebeck effect8,9 .
The spin Hall effect as a probe of nonlinear spin fluctuations
Spontaneous symmetry breaking is a general phenomenon in various fields of physics, such as superconductivity, and it is known that increase of temperature or chemical potential (density) may cause phase transitions so that the system changes from the ordered phase to a disorder phase by symmetry restoration.
Summary of the YITP-RCNP Workshop on Chiral Restoration in Nuclear Medium
The short time scale of the hot core phenomenon (∼104 yr) makes it a possible ‘chemical clock’, but this application requires understanding which species are formed on the grain surface and/or in the gas phase.
The chemistry of high-mass star formation
The predictions of yields, chemical enrichment and surface abundances as well as stellar parameters, like luminosity, are sensitively dependent on the overshoot phenomenon.
Overshoot in Giant Stars
The right hand side of Fig. 3 shows a very interesting second example of this phenomenon: a sharp sensitivity of electrical resistivity to changes in chemical composition (in this case, doping Al into the electrically active M n site) observed by Sawaki and co-workers23.
Towards a Classification of the Effects of Disorder on Materials Properties
Carefully understanding how systems ionize and how electronic structure methods reproduce this critical phenomenon are useful for many chemical problems.
Density functional theory in one-dimension for contact-interacting fermions