Chemical weathering also releases readily water-soluble cations such as calcium, sodium and magnesium, which give basaltic areas a strong buffer capacity against acidification.

" Chemical pesticides, herbicides and fertilizers have been abandoned, in an effort of produce a narrow buffer strip within the thirty meter " riparian zone " between the rivers and their surrounding parklands, including river paths.

In 2004 the Beckman pH meter was designated an ACS National Historic Chemical Landmark in recognition of its significance as the first commercially successful electronic pH meter.

* Development of the Beckman pH Meter – National Historic Chemical Landmark of the American Chemical Society

* Chemical injection line: A connection to add chemicals for controlling feedwater pH.

# Chemical composition including protein, lactate dehydrogenase ( LDH ), albumin, amylase, pH, and glucose

Chemical measures of water quality include dissolved oxygen ( DO ), chemical oxygen demand ( COD ), biochemical oxygen demand ( BOD ), total dissolved solids ( TDS ), pH, nutrients nitrates and phosphorus ), heavy metals ( including copper, zinc, cadmium, lead and mercury ), and pesticides.

Chemical analysis of soil fossils generally focuses on their lime content, which determines both their pH and how reactive they will be to dilute acids.

John Dalton in his Chemical Philosophy gave ten calculations of this value, and finally adopted − 3000 ° C as the natural zero of temperature.

As part of this effort to move up the value chain, the Institute of Chemical and Engineering Science ( an A * STAR research institute ) has been set up on Jurong Island.

Chemical engineers design reactors to maximize net present value for the given reaction.

Chemical deposition techniques include chemical vapor deposition (" CVD "), in which a stream of source gas reacts on the substrate to grow the material desired.

Chemical methods of foam control are not always desired with respect to the problems ( i. e., contamination, reduction of mass transfer ) they may cause especially in food and pharmaceutical industries, where the product quality is of great importance.

Of particular note, programs that were placed within the top 10 % of all size programs in that field based on an average of the R95 and S95 rank order include Aeronautics, Astrophysics, Biochemistry and Molecular Biophysics, Bioengineering, Biology, Chemical Engineering, Chemistry, Electrical Engineering, Environmental Science and Engineering, Geology, Geophysics, Materials Science, Mechanical Engineering, Physics, Planetary Science, and Social Science ( Economics ).

Chemical thermodynamics is the study of the interrelation of heat and work with chemical reactions or with physical changes of state within the confines of the laws of thermodynamics.

Chemical patents are different from other sources of technical information because of the generic, Markush structures contained within them, named after the inventor Eugene Markush who won a claim in the US in 1925 to allow such structures to be used in patent claims.

Chemical propulsion engines, with their limited rate of chemical reaction exhaust velocity ( which is in the range of 2-4. 5 km / s ), become exponentially ineffective ( see Tsiolkovsky equation ) to achieve high interplanetary speeds ( in the 20-70 km / s range, within the Solar System ).

In 1995, an Interagency Workgroup on Multiple Chemical Sensitivity was formed under the supervision of the Environmental Health Policy Committee within the United States Department of Health and Human Services to examine the body of research that had been conducted on MCS to that date.

Half of the Umatilla Chemical Depot, which includes the Umatilla Chemical Agent Disposal Facility, is located within the county.

In 1995 a railroad tank car imploded at Gaylord Chemical Corporation, releasing nitrogen tetroxide and forced the evacuation of about 3, 000 people within a one-mile ( 1. 6 km ) radius.

Additionally, venture capital units within Chemical Bank and Continental Illinois National Bank, among others, began shifting their focus from funding early stage companies toward investments in more mature companies.

Several failed projects such as the Rainbow Centre Factory Outlet, Niagara Falls Convention and Civic Center, the Native American Cultural Center, the Hooker Chemical ( later the Occidental Petroleum ) Headquarters building, the Wintergarden, the Fallsville Splash Park, Aquafalls, a multi-story parking ramp, an enclosed pedestrian walkway / bridge, the Falls Street Faire / Falls Street Station amusement complexes, parts of the Robert Moses State Parkway, and the Mayor E. Dent Lackey Plaza closed within twenty years of their construction.

Chemical oceanography is the study of ocean chemistry: the behavior of the chemical elements within the Earth's oceans.

For instance, they felt claims that Iraq " could " launch Chemical or Biological Weapons within 45 minutes of an order to do so should have had caveats attached.

Chemical reactions within this layer momentarily pump electric charges between the electrode and the electrolyte, resulting in a potential difference between the electrode and the electrolyte.

The various Schools within the Faculty of Engineering were founded in the following order: School of Civil Engineering ( 1955 – 56 ), School of Architecture ( 1956 – 57 ), School of Rural and Surveying Engineering ( 1962 – 63 ), School of Mechanical and Electrical Engineering ( 1972 – 73 ), School of Chemical Engineering ( 1972 – 73 ), School of Mathematics, Physics and Computational Sciences ( 1982 – 83 ) and School of Urban-Regional Planning and Development Engineering ( 2004 ).

As the chemical is a blister agent, its use is strongly restricted within the Chemical Weapons Convention where it is classified as a Schedule 1 substance.

These compounds are mostly sold to other chemical companies based within the complexes, such as Innova, Elekeiroz and Dow Chemical.

It is notable that it was the first single released by The Chemical Brothers not to peak within the top 40 of the UK Charts.

The term gel permeation chromatography can be traced back to J. C. Moore of the Dow Chemical Company who investigated the technique in 1964 and the proprietary column technology was licensed to Waters, who subsequently commercialized this technology in 1964.

* Chemical burns from gel bleaching ( if a high-concentration oxidizing agent contacts unprotected tissues, which may bleach or discolor mucous membranes ), sensitive teeth

As an example, the company Panda Chemical Manufacturers, Inc. may use the more friendly name Panda Pharmaceuticals when it holds itself out to the public.

Howard Smith ( along with St. Lawrence Company ) was acquired by Dominion Tar & Chemical in 1961 which then rebranded itself as Domtar in 1965.

They can also be used for chemical warfare defense training, although their use in warfare itself is a violation of Article I. 5 of the Chemical Weapons Convention.

Pakistan is not known to have an offensive chemical weapons programme, and in 1993 Pakistan signed and ratified the Chemical Weapons Convention ( CWC ), and has committed itself to refrain from developing, manufacturing, stockpiling, or using chemical weapons.

First Avenue and 7th Street Entry also hosted all-ages shows for the young scene which quickly established itself on the map with local bands including Husker Du, The Replacements, Loud Fast Rules ( later Soul Asylum ), Otto's Chemical Lounge, Outcry, Skullfuck, Final Conflict, Idol Threat, Rifle Sport, Man Sized Action and Red Meat, among others.

A detachment of six men from the 701st Chemical Maintenance Company under First Lt. Howard D. Beckstrom went aboard, followed by Lt. Thomas H. Richardson, the Cargo Security Officer.

Fairchild Camera and Kawecki Chemical gained 2-1/2 each.

In 1935, the new film studio Photo Chemical Laboratories, known as P. C. L.

Seaborg leaked the synthesis of the elements 95 and 96 on the U. S. radio show for children, the Quiz Kids, five days before the official presentation at an American Chemical Society meeting on 11 November 1945, when one of the listeners asked whether any new transuranium element beside plutonium and neptunium had been discovered during the war.

Chemical bonds between atoms were now explained, by Gilbert Newton Lewis in 1916, as the interactions between their constituent electrons.

Among major industrial centers closed to curtail pollution were the Nairit Chemical Plant, the Alaverdy Metallurgical Plant, and the Vanadzor Chemical Combine.

Chemical analysis is an important element of national security among the major world powers with materials measurement and signature intelligence ( MASINT ) capabilities.

* 1997 – The Chemical Weapons Convention of 1993 enters into force, outlawing the production, stockpiling and use of chemical weapons by its signatories.

He was founder of the Chemical Society of London in 1841, being its first Treasurer and second President.

Chemical rockets are the most common type of rocket and they typically create their exhaust by the combustion of rocket propellant.

Chemical rockets store a large amount of energy in an easily released form, and can be very dangerous.

A 50: 50 mixture of 2, 4, 5-T and 2, 4-D, it was manufactured for the U. S. Department of Defense primarily by Monsanto Corporation and Dow Chemical.

by Sir Alan Walsh at the CSIRO ( Commonwealth Scientific and Industrial Research Organization ), Division of Chemical Physics, in Melbourne, Australia.

The Anatomical Therapeutic Chemical ( ATC ) Classification System is used for the classification of drugs.

The words, with some variations, are used in the track Jerusalem on Bruce Dickinson's album The Chemical Wedding, which also includes lines from book two of Milton.

* Chemical Biology seeks to develop new tools based on small molecules that allow minimal perturbation of biological systems while providing detailed information about their function.

Chemical warfare also emerged with the use of poisonous gas during World War I.