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chemical process


  • WordNet 3.6
    • n chemical process (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved
    • ***


In literature:

A process that is at once chemical, physical, and psychical goes on in the brain.
"The Problems of Psychical Research" by Hereward Carrington
All chemical processes, not conducted in a vacuum, are open to this disturbance.
"Fragments of science, V. 1-2" by John Tyndall
A great emergency acts upon different men as chemical processes act upon different metals.
"The Escape of Mr. Trimm" by Irvin S. Cobb
It appears, on the contrary, to be a purely mechanical, and not a chemical process.
"Elements of Agricultural Chemistry" by Thomas Anderson
It is said there is a chemical process that whitens it readily, but I am not acquainted with it.
"Mysteries of Bee-keeping Explained" by M. Quinby
The process of chemically testing inks for the purpose of ascertaining the points mentioned is quite simple, and is distinctly interesting.
"The Detection of Forgery" by Douglas Blackburn
No \doubt some chemical process: combination or dissociation, something atomic, occurred; but what made it occur just then and in that way?
"Life and Matter" by Oliver Lodge
This is the fierce and fermenting time, the entire world's chemicalizing process.
"Cupology" by Clara
Dying, then, is quite a chemical process?
"Conversations on Chemistry, V. 1-2" by Jane Marcet
Under ordinary conditions, however, processes of chemical decomposition are very apparent.
"The Economic Aspect of Geology" by C. K. Leith
This is glass upon which a thin film of silver has been deposited by a chemical process originally invented by Liebig.
"A Popular History of Astronomy During the Nineteenth Century" by Agnes M. (Agnes Mary) Clerke
These processes we find are chemical, and may be likened to the combustion of wood or coal in the furnace.
"What a Young Woman Ought to Know" by Mary Wood-Allen
Electro-chemical process of making pasted grid or other plate, types into storage battery plates.
"The Automobile Storage Battery" by O. A. Witte
Even when the surface is faded, it can be made to emit it again by chemical processes.
"Needlework As Art" by Marian Alford
It is by this chemical process that "ice-cream" is made.
"A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)" by Calvin Cutter
Fuel is produced by chemical and physical processes.
"Woman under socialism" by August Bebel
In chemical laboratories, this process is usually carried on in a matrass A, Pl.
"Elements of Chemistry," by Antoine Lavoisier
Neither will the chemical processes suitable for the one serve for the other.
"The Painter in Oil" by Daniel Burleigh Parkhurst
This question is of fundamental importance, since it leads directly to those laws which regulate the chemical process.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
Unlike the Dutch Process, no Alkalies or other Chemicals or Dyes are used in any of their preparations.
"Harper's Round Table, May 7, 1895" by Various

In news:

A piece of property along the Brooklyn/Queens border, formerly owned and operated by the Wolff-Alport Chemical Company, is currently undergoing a process to help reduce levels of elevated radiation in the area.
For chemical processors, the use of water in their processing can correlate to significant costs.
Andrew Sloley is a Chemical Processing contributing editor.
We also cover compression used in chemical and petrochemical process and refineries.
Siemens Water Technologies announced a new addition to its technology portfolio with the purchase of the patent-pending Clearlogx Process chemical feed system.
In June, the governor of California, Jerry Brown, directed the Bureau of Home Furnishings to begin the process of revising TB 117 so that chemical flame retardants are no longer mandated.
New laws in Ohio require disclosure of chemicals after hydraulic fracturing, as required in every other state, and the drilling process, to ensure the most accurate and useful information is provided to the public.
Ensuring the safety and integrity of container contents is an ongoing concern for chemical, pharmaceutical and other companies responsible for processing or handling liquid hazardous materials.
Chemical and pharmaceutical industries process thousands of dry bulk materials every hour of every day for a variety of applications.
America's industrial food and farming system — dominated by fast-food restaurants and processed, chemical-laden food — has precipitated a public health crisis.
Although no injuries were reported as a result of the incident, OSHA opened an investigation focused on the agency's standards for process safety management, known as PSM, at facilities that use highly hazardous chemicals.
Metalworking fluids are complex chemical formulations tasked to perform multiple functions in the machining process.
The Obama administration on Friday issued a proposed rule governing hydraulic fracturing for oil and gas on public lands that will for the first time require disclosure of the chemicals used in the process.
This two-day course will provide you with an introduction to the important geochemical processes that affect groundwater composition and chemical reaction modeling as a means to better site understanding and remediation design.
Solvay and SIBUR Form a Joint Venture to Produce Surfactants and Oilfield Process Chemicals.

In science:

At every step of the generation process a new chemical shell is added to the previous shell by the occupation with probability pc of its empty nearest neighbors.
II. Territory covered by N random walkers on stochastic fractals. The percolation aggregate
The chemical processes responsible for the formation of HCN involves reactions with cyanogen - an observation which was earlier found to be the case in O-rich IK Tau (DCW99).
HCN in the inner envelope of {chi} Cygni
When supplemented by chemical composition data, one can get a much deeper insight into the evolutionary processes that the star might have undergone before arriving at the present stage.
A revised calibration of the Mv-W(OI 7774) relationship using Hipparcos data: Its application to Cepheids and evolved stars
Not all of them turned out to be ob jects showing very significant chemical peculiarities caused by evolutionary processes.
A revised calibration of the Mv-W(OI 7774) relationship using Hipparcos data: Its application to Cepheids and evolved stars
Chemical etching of disordered solids is a process of great practical importance .
Percolation-dependent Reaction Rates in the Etching of Disordered Solids
This leads to a quasi-chemical description: within each period a number of elementary atomic processes (events) takes place.
Geometry of irreversibility: The film of nonequilibrium states
Numerous extensions to the presented models can be straightforwardly incorporated to more precisely model the chemical and microphysical processes.
Ribosome recycling, diffusion, and mRNA loop formation in translational regulation
The chemically active groups of these molecules may be screened by the inactive parts, giving rise to effective reactivities described by Poisson processes.
Some exact results for the trapping of subdiffusive particles in one dimension
The constraints derived here on the gas density profile are important for the study of physical and chemical processes in PDRs and provide new insight into the evolution of interstellar clouds.
Density structure of the Horsehead nebula photo-dissociation region
The constraints derived here on the gas density profile are important for the study of physical and chemical processes in PDRs and provide new insight into the evolution of interstellar clouds.
Density structure of the Horsehead nebula photo-dissociation region
Packing models of this type arise in diverse disciplines, including physical, chemical and biological processes.
Gaussian limits for random measures in geometric probability
From the space distribution of the sample stars, it is not difficult to conclude that, in the whole sample, the type E and other type stars are probably formed in different interstellar environment, hence their chemical composition and evolution process can be different.
On the difference between type E and A OH/IR stars
We describe our chemical network including radiative processes in Section 2, and the new merger tree method in Section 3.
On the population of primordial star clusters in the presence of UV background radiation
Hence, sharp separation between a system and environment is impossible which makes important to define the chemical potential so that to involve the functional relations created in process of the interaction.
Fluctuations and Long-Term Stability: from Coherence to Chaos
An obvious general requirement is that it should preserve the chemical identity. The only processes that meet this demand are adsorption and/or absorption. Hence they acquire enormous importance that goes beyond any concrete model.
Fluctuations and Long-Term Stability: from Coherence to Chaos