Mr. Lemes is now also a defendant, charged this thirty day period with committing among The only biggest functions of illegal deforestation in Brazil. The authorities are trying to find virtually $one billion in payment. Mr. Lemes has denied any wrongdoing.
的释义 浏览 chelate Chelsea tractor chem chem suit chemical chemical bond chemical castration chemical dependency chemical aspect #randomImageQuizHook.filename #randomImageQuizHook.isQuiz 用我们的趣味配图小测验考考你的词汇量
. The fundamental basic principle from the science of chemistry would be that the atoms of different factors can Blend with one another to type chemical compounds. Methane, as an example, that's formed from the elements carbon and hydrogen in the ratio four hydrogen atoms for every carbon atom, is known to have distinct CH4 molecules.
Chemical Abstracts Company (CAS) lists various alloys of uncertain composition in just their chemical substance index.[5] When an alloy may be extra closely outlined as a mixture, referencing them from the chemical substances index permits CAS to provide particular steering on normal naming of alloy compositions. Non-stoichiometric compounds are another Exclusive circumstance from inorganic chemistry, which violate the necessity for consistent composition.
/ɡɪfile/ a style of computer file that contains a nevertheless or transferring image. GIF may be the abbreviation for Graphic Interchange Structure
Chemical Definition (adjective) Being an adjective, the term "chemical" suggests a partnership to chemistry or to the interaction involving substances. Used in a sentence:
These examples are from corpora and from resources on the internet. Any thoughts in the examples don't stand for the view of the Cambridge Dictionary editors or of Cambridge University Push or its licensors.
accumulating and disseminating knowledge to higher illuminate the impression of chemicals on human well being;
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Listed here, one molecule of methane reacts with two molecules of oxygen gasoline to generate one particular molecule of carbon dioxide and two molecules of h2o. This distinct chemical equation is definitely an example of full combustion. Stoichiometry steps these quantitative interactions, and is also made use of to determine the quantity of products and solutions and reactants which are manufactured or necessary in the specified response.
disruptions. 来自 Cambridge English Corpus On the other hand, it really is tricky to raise a sign which can be unique to one person thanks to chemical
Chemical safety has many scientific Buy RESEARCH CHEMICALS and technological parts. Amongst they're toxicology, ecotoxicology and the process of chemical risk evaluation which requires a in-depth familiarity with exposure and of Organic results.
In observe, because of the existence of isotopes, molar masses are employed as a substitute in calculating the mass ratio.
For these substances, it may be hard to draw 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, as an example: "the phrase 'chemical substance' indicates any natural or inorganic compound of a selected molecular identification, which include – (i) any combination of such substances occurring in whole or partially due to a chemical reaction or happening in nature".[six]