混凝土
同一义项的词语:混凝土
building material consisting of bricks laid with mortar between them
义项编号 14785065-n共 41,499 条,第398页完整浏览。按义项组织词语;同义词集及概念关系不表示这些词在任意句子中都能替换。英文义项说明保留来源原文。
同一义项的词语:混凝土
building material consisting of bricks laid with mortar between them
义项编号 14785065-nthe wood from bushes or small branches; "they built a fire of brushwood"
义项编号 14785197-nan old name for sulfur
义项编号 14785325-nan alloy similar to pewter
义项编号 14785436-n同一义项的词语:溴酸
an unstable acid used as an oxidizing agent
义项编号 14785524-nany of the salts of hydrobromic acid; formerly used as a sedative but now generally replaced by safer drugs
义项编号 14785625-na reddish brown sandstone; used in buildings
义项编号 14785840-n(chemistry) an ionic compound that resists changes in its pH
义项编号 14785941-n同一义项的词语:缓冲溶液
a solution containing a buffer
义项编号 14786110-n同一义项的词语:磷酸盐缓冲液
a solution containing a phosphate buffer
义项编号 14786361-nmaterial used for constructing buildings
义项编号 14786479-nused to wrap around pipes or boilers or laid in attics to prevent loss of heat
义项编号 14786943-n同一义项的词语:丁烯
any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers
义项编号 14787093-n同一义项的词语:异丁烯
used also in making gasoline components
义项编号 14787270-n同一义项的词语:聚丁烯
a polymer of butylene; used in lubricants and synthetic rubber
义项编号 14787386-nany fat obtained from animals; "animal fat is high in saturated fatty acids"
义项编号 14787520-nthe fatty substance of milk from which butter is made
义项编号 14787707-n同一义项的词语:丁酮
colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid
义项编号 14787954-n同一义项的词语:丁醇
a flammable alcohol derived from butanes and used for solvents
义项编号 14788200-n同一义项的词语:丁酸
an unpleasant smelling fatty acid found especially in butter
义项编号 14788332-n同一义项的词语:酪脂
any of three glycerides of butyric acid
义项编号 14788485-na bitter oily triglyceride of butyric acid; a form of butyrin
义项编号 14788596-nthe univalent group derived from arsine
义项编号 14788714-n同一义项的词语:四甲二胂
a poisonous oily liquid with a garlicky odor composed of 2 cacodyl groups; undergoes spontaneous combustion in dry air
义项编号 14788875-n同一义项的词语:碳化钙
a grey salt of calcium (CaC) used in making acetylene
义项编号 14789087-n同一义项的词语:次氯酸钙
any hypochlorite of calcium; used as a bleaching agent
义项编号 14789365-n同一义项的词语:乳酸钙
a white crystalline salt made by the action of lactic acid on calcium carbonate; used in foods (as a baking powder) and given medically as a source of calcium
义项编号 14789504-n同一义项的词语:硝酸钙
a deliquescent salt that is soluble in water; sometimes used as a source of nitrogen in fertilizers
义项编号 14789724-na white crystalline oxide used in the production of calcium hydroxide
义项编号 14789885-n同一义项的词语:磷酸钙
a phosphate of calcium; a main constituent of animal bones
义项编号 14790137-n同一义项的词语:硬脂酸钙
an insoluble calcium salt of stearic acid and palmitic acid; it is formed when soap is mixed with water that contains calcium ions and is the scum produced in regions of hard water
义项编号 14790259-na compound containing metal combined with carbon monoxide
义项编号 14790526-n同一义项的词语:羰基
the bivalent radical CO
义项编号 14790693-n同一义项的词语:羧基
the univalent radical -COOH; present in and characteristic of organic acids
义项编号 14790796-na resin obtained from the camphor tree; used in making celluloid and liniment
义项编号 14790979-n同一义项的词语:樟脑油
oil distilled from camphor resin
义项编号 14791202-na hard brown wax that occurs as a coating on candelilla shrubs
义项编号 14791292-n同一义项的词语:蔗糖
sucrose obtained from sugar cane
义项编号 14791453-na resin obtained from the hemp plant; thought to be the active narcotic agent in marijuana
义项编号 14791560-n同一义项的词语:烛煤
a bituminous coal that burns with a luminous flame
义项编号 14791722-n同一义项的词语:癸酸
a fatty acid found in animal oils and fats; has an unpleasant smell resembling goats
义项编号 14791830-n同一义项的词语:己酸
a fatty acid found in animal oils and fats or made synthetically; smells like goats
义项编号 14791988-n同一义项的词语:辛酸
a fatty acid having a rancid taste; found in butter and other fats and oils
义项编号 14792146-n同一义项的词语:氨基甲酸盐
a salt (or ester) of carbamic acid
义项编号 14792281-n同一义项的词语:氨基甲酸
an acid that is known only by virtue of its salts (as ammonium carbamate) or its esters (as urethane)
义项编号 14792389-na binary compound of carbon with a more electropositive element
义项编号 14792550-nan essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain
义项编号 14792703-n同一义项的词语:碳化钨硬质合金
an alloy based on tungsten with cobalt or nickel as a binder; used in making metal-cutting tools
义项编号 14793223-n同一义项的词语:黑金刚石
an inferior dark diamond used in industry for drilling and polishing
义项编号 14793393-na black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
义项编号 14793533-n同一义项的词语:致癌物质
any substance that produces cancer
义项编号 14793812-n同一义项的词语:纤维素
a polysaccharide that is the chief constituent of all plant tissues and fibers
义项编号 14793921-n同一义项的词语:羧甲基纤维素
an acid derivative of cellulose
义项编号 14794203-na mixture of cellulose fibers
义项编号 14794418-n同一义项的词语:弹壳黄铜
an alloy of copper and zinc (containing about 30% zinc) that is wrought into cartridges or tubing
义项编号 14794534-n同一义项的词语:表面渗碳硬化钢
steel with a surface that is much harder than the interior metal
义项编号 14794693-n同一义项的词语:纤维素酯
any ester of cellulose with an acid
义项编号 14794823-n同一义项的词语:硝化纤维素
a nitric acid ester; used in lacquers and explosives
义项编号 14794993-na colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films
义项编号 14795263-nnitrocellulose containing less nitrogen than guncotton; used in making smokeless powder
义项编号 14795432-n同一义项的词语:低氮硝化纤维素、火棉、焦木素、硝酸纤维素、绵火药
highly flammable nitrocellulose used in making collodion and plastics and lacquers
义项编号 14795598-none form in which body fuel is stored; stored primarily in the liver and broken down into glucose when needed by the body
义项编号 14795749-nused to manufacture fructose and in assessing kidney function
义项编号 14795959-na toxic white soluble crystalline acidic derivative of benzene; used in manufacturing and as a disinfectant and antiseptic; poisonous if taken internally
义项编号 14796073-n同一义项的词语:活性炭
powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons
义项编号 14796359-nused as a lubricant and as a moderator in nuclear reactors
义项编号 14796575-n同一义项的词语:石墨芯
graphite (or a similar substance) used in such a way as to be a medium of communication; "the words were scribbled in pencil"; "this artist's favorite medium is pencil"
义项编号 14796748-na heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
义项编号 14796969-nthe atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life
义项编号 14797264-n同一义项的词语:二硫化碳
a toxic colorless flammable liquid (CS2); used in the manufacture of rayon and cellophane and carbon tetrachloride and as a solvent for rubber
义项编号 14797436-n同一义项的词语:一氧化碳
an odorless very poisonous gas that is a product of incomplete combustion of carbon
义项编号 14797641-n同一义项的词语:复写纸
a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper
义项编号 14797813-n同一义项的词语:四氯化碳
a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined
义项编号 14798039-n同一义项的词语:四卤化碳
compounds composed of 1 carbon and 4 halogen molecules
义项编号 14798331-na salt or ester of carbonic acid (containing the anion CO3)
义项编号 14798450-n同一义项的词语:雷酸盐
a salt or ester of fulminic acid
义项编号 14798709-na fulminate that when dry explodes violently if struck or heated; used in detonators and blasting caps and percussion caps
义项编号 14798815-n同一义项的词语:碳酸
a weak acid known only in solution; formed when carbon dioxide combines with water
义项编号 14799084-na substance that abrades or wears down
义项编号 14799244-nan abrasive composed of silicon carbide crystals
义项编号 14799476-na stiff moderately thick paper
义项编号 14799601-n同一义项的词语:弹药纸
paper for making cartridge cases
义项编号 14799833-n同一义项的词语:画图纸
thick white paper for pencil and ink drawings
义项编号 14799927-n同一义项的词语:薄纸板
thin cardboard, usually rectangular
义项编号 14800034-na coenzyme important in respiration in the Krebs cycle
义项编号 14800138-n同一义项的词语:辅酶
a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
义项编号 14800277-n同一义项的词语:辅酶 A
a coenzyme present in all living cells; essential to metabolism of carbohydrates and fats and some amino acids
义项编号 14800539-n同一义项的词语:辅助酶
a substance (as a coenzyme) that must join with another to produce a given result
义项编号 14800706-n同一义项的词语:瓦楞纸板
cardboard with corrugations (can be glued to flat cardboard on one or both sides)
义项编号 14800979-na cardboard suitable for making posters
义项编号 14801146-nstiff cardboard made by pasting together layers of paper
义项编号 14801271-nstout pasteboard used to bind books
义项编号 14801402-na coarse yellow cardboard made of straw pulp
义项编号 14801493-na translucent red or orange variety of chalcedony
义项编号 14801594-n同一义项的词语:角叉菜胶
a colloidal extract from carrageen seaweed and other red algae
义项编号 14801711-n同一义项的词语:锭铁
iron of high purity
义项编号 14801845-nan alloy of iron containing so much carbon that it is brittle and so cannot be wrought but must be shaped by casting
义项编号 14801921-n同一义项的词语:铜铅合金
cast iron used for making cooking wares
义项编号 14802167-niron having a low carbon content that is tough and malleable and so can be forged and welded
义项编号 14802262-nan alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range
义项编号 14802450-n