学习如何在英语句子中使用chemical。超过100个精心挑选的例子。
Immediately after it caught fire, the chemical factory blew up.
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Chemical products account for approximately two-thirds of our exports.
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Chemical companies are waiting until everything dies down before reinvesting.
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Our company is planning to build a new chemical plant in Russia.
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DNA is a complex chemical that makes up a gene.
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It is cheaper than chemical fertilizers.
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Don't expose this chemical to direct sunlight.
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Everyone knows that this chemical is harmful to man.
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This chemical agent is used to make paper white.
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This chemical will prevent germs from breeding.
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The chemical symbol H expresses hydrogen.
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The plants manufacture complex chemical compounds.
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To my knowledge, this chemical will prevent germs from breeding.
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The treaty bans the use of chemical weapons.
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The chemical formula for water is H-O-H.
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The chemical formula for water is H₂O.
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Professor Morita presided at a meeting of the Chemical Society.
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Heat will break this chemical down into harmless gases.
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When matter is changed chemically, chemical energy is given off.
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It is only recently that crude oil has come to be used to make chemical products.
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Magnesium is a chemical element.
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To the best of my knowledge, this chemical will prevent germs from breeding.
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'Radioactivity' is a chemical term.
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The scientist found that rats treated with the chemical lost on average 30% of their weight.
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As a result of some factories using fossil fuels, chemical emissions have already caused serious environmental problems.
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Pungent fumes arose from the chemical mixture.
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The chemical ingredients cause the mouth to dry up.
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Such observations showed him obvious examples of chemical perturbations of health.
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Don't swallow these chemical products.
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Petrochemicals are chemical products derived from petroleum.
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Of how many chemical elements is water composed?
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All life is based on chemistry and all living things are composed of chemical compounds.
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Heating water does not change its chemical composition.
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Chemical symbols are used to identify chemical elements.
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Chemical symbols are used to identify chemical elements.
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A chemical reaction takes place in one or more steps.
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The laboratory is experimenting with a new chemical.
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Francium is a chemical element of the symbol Fr.
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He doesn't know the name of the chemical element Yb.
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Barium is a chemical element with the symbol Ba.
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Sulphur is a chemical element with the symbol S.
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Tantalum is a chemical element of the symbol Ta.
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This chemical is extremely dangerous.
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Titanium is a chemical element with the symbol Ti.
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Niobium is a chemical element with the symbol Nb.
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Responding to the question as to whether there was an explosion at the chemical factory, he said: "Yes, there was. But it wasn't the explosion we imagined it to be. It was an explosion of discontent."
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Does the chemical compound phosgene contain phosphorus atoms?
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The periodic table is a presentation of the chemical elements in order of increasing atomic number.
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NASA has launched a probe called Dawn, whose mission is to travel to the asteroid belt. It will first travel to observe the asteroid Vesta. After collecting data from Vesta, Dawn will intercept with Ceres where it will observe its surface features and collect data about its chemical composition.
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The Pathfinder Lander carried onboard a robotic rover named Sojourner. The 10 kilogram solar-powered rover was equipped with a spectrometer used to analyze the chemical composition of Martian rock and a camera which relayed images of the landscape back to Earth.
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Mae Jemison enrolled at Stanford University at the age of 16 and in 1977 graduated with degrees in both chemical engineering and Afro-American studies.
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Scientists of the 19th century believed that the Sun was powered by chemical reactions.
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Glands secrete chemical substances into the body.
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This development is casting a larger and larger shadow over the chemical industry as well.
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Chemical vapors can make you really sick.
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The chemical symbol of scandium is Sc.
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Do you know the chemical formula of phenol?
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Can you draw the chemical structure of phenol?
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Lead is a chemical element symbolised by Pb.
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Apparently, it was his jealous mistress who prepared that nasty chemical concoction. I hear the wife took one sip of her morning coffee and collapsed without so much as a word.
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What's the chemical symbol for hydrobromic acid?
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The chemical symbol "H" stands for hydrogen.
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When acid touches metal, a chemical reaction happens.
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When acid comes in contact with metal, it causes a chemical reaction.
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Are you familiar with the periodic table of chemical elements?
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A spectrometer uses light to identify the chemical composition of matter.
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What's the chemical formula for hydrogen peroxide?
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The boy was asked to solve a chemical equation on the board.
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Batteries are devices that convert chemical energy to electricity.
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These batteries use electroinsertion reactions to transfer charge and convert chemical energy to electrical energy.
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The use of chemical weapons is a war crime.
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Carbonic acid is a product of many chemical reactions.
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Tom is a chemical engineer.
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The James Webb telescope will study the chemical makeup of extrasolar planets' atmospheres.
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"Let us have some fresh blood," he said, digging a long bodkin into his finger, and drawing off the resulting drop of blood in a chemical pipette.
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Sometimes he spent his day at the chemical laboratory, sometimes in the dissecting rooms, and occasionally in long walks, which appeared to take him into the lowest portions of the city.
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Bleach is a strong chemical used for cleaning.
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The oxygen in Earth's atmosphere comes from living things, but oxygen can also be produced by inorganic chemical reactions.
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Hu pioneered a method to detect surface minerals on bare-rock exoplanets and defined the atmospheric chemical signature of volcanic activity, which wouldn't occur on a gas planet.
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The chemical engineers made a substance that smells like a wet dog chewing bubble gum.
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Catalysts can speed up a chemical reaction without being consumed in the catalyzed reaction.
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When CO₂ is absorbed by seawater, a series of chemical reactions occur resulting in the increased concentration of hydrogen ions. This increase causes the seawater to become more acidic and causes carbonate ions to be relatively less abundant.
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Forchhammer put the samples through a detailed series of chemical analyses.
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Israel has the right to "defend" itself including by killing children in their homes with chemical weapons.
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We live in a test tube. Never before have humans been exposed to so many chemical and toxins.
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Dopamine is a chemical in the brain. It is responsible for sending signals between nerve cells, or neurons.
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For example, in English, the word preservative is a chemical added to food to keep it fresh. But in French, a préservatif is a condom.
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Holmes was seated at his side-table clad in his dressing-gown, and working hard over a chemical investigation.
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Many chemical reactions can be artificially induced.
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The chemical symbol for aluminum is Al.
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Europium is a chemical element with the symbol Eu.
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Platinum is a chemical element with the symbol Pt.
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Sami and Layla had a chemical romance.
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Calcium is a chemical element with the symbol Ca.
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I'm a chemical engineer.
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The discovery that nucleic acids are the chemical basis of heredity almost single-handedly launched the modern discipline of molecular biology.
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Scientists expect that as long as sunlight reaches them, solar sails will keep accelerating to much higher speeds than what is provided by traditional propulsion methods using chemical or nuclear fuel.
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They discovered a new chemical that can make sweets more flavorful.
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Chlorine in the air needs cold temperatures in the stratosphere and clouds to convert into a form of the chemical that eats ozone, Newman said. The clouds go away when it warms up.
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Ununbium is the chemical element with symbol Uub and atomic number 112.
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Samarium is a chemical element with the symbol Sm.
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