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Intelligent Vocabulary: relevant text and phrases Chemistry - standard words and phrases acceptor aerobic digester aerobic digestion aerosol aerosolize well balanced equation chemical equation conformation cyclic electrolytic endocrine disruptor endothermic ionic bond latent warmth non-lessening non-saline nonchemical nonelectrolyte nonreactive titration See more results »
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alterations throughout the carbon cycle to biotic evolution. 来自 Cambridge English Corpus It absolutely was demonstrated that by fixing the chemical
Aromatics includes benzene, toluene and xylenes, as a whole known as BTX and primarily attained from petroleum refineries by extraction from your reformate made in catalytic reformers utilizing naphtha received from petroleum refineries.
In June, students and teachers in the rural Amazon city of Belterra were rushed to a wellness clinic with signs or symptoms of poisoning after their faculty grounds were being sprayed with chemicals on a minimum of three instances.
Colors of an individual chemical (Nile pink) in numerous solvents, less than noticeable and UV mild, exhibiting how the chemical interacts dynamically with its solvent environment In combination with the generic definition presented above, there are several market fields where by the time period "chemical substance" may possibly take alternate usages which might be greatly accepted, a Buy RESEARCH CHEMICALS number of which can be outlined from the sections below.
A chemical incorporates any pure material; any combination. Mainly because this definition of a chemical is so broad, a lot of people take into account a pure substance (ingredient or compound) to get a chemical, specifically if it is ready inside of a laboratory.
metallic things inside the periodic tableMetals, nonmetals, and metalloids are represented in various areas of your periodic table.
modifications within the carbon cycle to biotic evolution. From your Cambridge English Corpus See all examples of chemical These examples are from corpora and from resources on the internet.
As governments attempt to advance their fight in opposition to deforestation, criminals are getting new strategies to consider down trees for income. In South The united states, chemical deforestation is among the most recent battlefronts.
People programs normally seek out the abrupt disappearance of forest, which is usually evidence of clear-chopping, or burning. Herbicides induce trees to slowly but surely reduce their leaves, then dry out and die, which makes it tough to differentiate the process from a natural tree Dying.
更多的中文(简体)翻译 全部 chemical bond chemical park chemical peel chemical go well with chemical component chemical components chemical warfare 查看全部意思» “每日一词”
For these substances, it could be tricky to attract the road between a combination and a compound, as in the situation of palladium hydride. Broader definitions of chemicals or chemical substances can be found, by way of example: "the expression 'chemical material' suggests any organic and natural or inorganic material of a certain molecular identification, like – (i) any mixture of these kinds of substances taking place in complete or in part as a result of a chemical response or transpiring in character".[six]