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

1条概念或词汇关系

杂木林、灌木丛、矮树丛、草丛

同一义项的词语:杂木林、灌木丛、矮树丛、草丛

the wood from bushes or small branches; "they built a fire of brushwood"

义项编号 14785197-n

1条概念或词汇关系

硫磺、自然硫

同一义项的词语:硫磺、自然硫

an old name for sulfur

义项编号 14785325-n

1条概念或词汇关系

不列颠合金、锡锑铜合金

同一义项的词语:不列颠合金、锡锑铜合金

an alloy similar to pewter

义项编号 14785436-n

1条概念或词汇关系

溴酸

同一义项的词语:溴酸

an unstable acid used as an oxidizing agent

义项编号 14785524-n

1条概念或词汇关系

氢溴酸盐、溴化物

同一义项的词语:氢溴酸盐、溴化物

any of the salts of hydrobromic acid; formerly used as a sedative but now generally replaced by safer drugs

义项编号 14785625-n

1条概念或词汇关系

褐石、褐砂石

同一义项的词语:褐石、褐砂石

a reddish brown sandstone; used in buildings

义项编号 14785840-n

1条概念或词汇关系

缓冲剂、缓冲液

同一义项的词语:缓冲剂、缓冲液

(chemistry) an ionic compound that resists changes in its pH

义项编号 14785941-n

3条概念或词汇关系

缓冲溶液

同一义项的词语:缓冲溶液

a solution containing a buffer

义项编号 14786110-n

3条概念或词汇关系

磷酸盐缓冲液

同一义项的词语:磷酸盐缓冲液

a solution containing a phosphate buffer

义项编号 14786361-n

1条概念或词汇关系

建材、建筑材料、建筑物料

同一义项的词语:建材、建筑材料、建筑物料

material used for constructing buildings

义项编号 14786479-n

14条概念或词汇关系

绝热材料、绝缘层材料、防护套

同一义项的词语:绝热材料、绝缘层材料、防护套

used to wrap around pipes or boilers or laid in attics to prevent loss of heat

义项编号 14786943-n

丁烯

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

3条概念或词汇关系

异丁烯

同一义项的词语:异丁烯

used also in making gasoline components

义项编号 14787270-n

2条概念或词汇关系

聚丁烯

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-n

1条概念或词汇关系

动物油脂、动物脂

同一义项的词语:动物油脂、动物脂

any fat obtained from animals; "animal fat is high in saturated fatty acids"

义项编号 14787520-n

4条概念或词汇关系

乳脂、牛奶中的脂肪

同一义项的词语:乳脂、牛奶中的脂肪

the fatty substance of milk from which butter is made

义项编号 14787707-n

1条概念或词汇关系

丁酮

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

丁醇

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

1条概念或词汇关系

  • 上位概念:醇

丁酸

同一义项的词语:丁酸

an unpleasant smelling fatty acid found especially in butter

义项编号 14788332-n

1条概念或词汇关系

酪脂

同一义项的词语:酪脂

any of three glycerides of butyric acid

义项编号 14788485-n

2条概念或词汇关系

三丁精、三丁酸甘油酯

同一义项的词语:三丁精、三丁酸甘油酯

a bitter oily triglyceride of butyric acid; a form of butyrin

义项编号 14788596-n

1条概念或词汇关系

二甲胂、二甲胂基

同一义项的词语:二甲胂、二甲胂基

the univalent group derived from arsine

义项编号 14788714-n

2条概念或词汇关系

四甲二胂

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

2条概念或词汇关系

碳化钙

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

2条概念或词汇关系

次氯酸钙

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

2条概念或词汇关系

乳酸钙

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

1条概念或词汇关系

  • 上位概念:盐

硝酸钙

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-n

1条概念或词汇关系

氧化钙、生石灰、石灰

同一义项的词语:氧化钙、生石灰、石灰

a white crystalline oxide used in the production of calcium hydroxide

义项编号 14789885-n

1条概念或词汇关系

  • 物质组成:钙

磷酸钙

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

1条概念或词汇关系

硬脂酸钙

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-n

1条概念或词汇关系

  • 上位概念:盐

碳酰、羰

同一义项的词语:碳酰、羰

a compound containing metal combined with carbon monoxide

义项编号 14790526-n

4条概念或词汇关系

羰基

同一义项的词语:羰基

the bivalent radical CO

义项编号 14790693-n

2条概念或词汇关系

羧基

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-n

3条概念或词汇关系

樟脑、莰酮

同一义项的词语:樟脑、莰酮

a resin obtained from the camphor tree; used in making celluloid and liniment

义项编号 14790979-n

4条概念或词汇关系

樟脑油

同一义项的词语:樟脑油

oil distilled from camphor resin

义项编号 14791202-n

1条概念或词汇关系

小烛树蜡、小烛石

同一义项的词语:小烛树蜡、小烛石

a hard brown wax that occurs as a coating on candelilla shrubs

义项编号 14791292-n

2条概念或词汇关系

蔗糖

同一义项的词语:蔗糖

sucrose obtained from sugar cane

义项编号 14791453-n

2条概念或词汇关系

大麻甙、大麻脂

同一义项的词语:大麻甙、大麻脂

a resin obtained from the hemp plant; thought to be the active narcotic agent in marijuana

义项编号 14791560-n

1条概念或词汇关系

烛煤

同一义项的词语:烛煤

a bituminous coal that burns with a luminous flame

义项编号 14791722-n

1条概念或词汇关系

癸酸

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

1条概念或词汇关系

己酸

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

1条概念或词汇关系

辛酸

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

1条概念或词汇关系

氨基甲酸盐

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

2条概念或词汇关系

氨基甲酸

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-n

1条概念或词汇关系

碳化物、碳化钙

同一义项的词语:碳化物、碳化钙

a binary compound of carbon with a more electropositive element

义项编号 14792550-n

2条概念或词汇关系

碳水化合物、糖类

同一义项的词语:碳水化合物、糖类

an 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

6条概念或词汇关系

碳化钨硬质合金

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

1条概念或词汇关系

黑金刚石

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-n

1条概念或词汇关系

煤烟、碳黑

同一义项的词语:煤烟、碳黑

a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink

义项编号 14793533-n

2条概念或词汇关系

致癌物质

同一义项的词语:致癌物质

any substance that produces cancer

义项编号 14793812-n

1条概念或词汇关系

  • 派生关联:致癌+的(词汇级关系 0101)

纤维素

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

7条概念或词汇关系

羧甲基纤维素

同一义项的词语:羧甲基纤维素

an acid derivative of cellulose

义项编号 14794203-n

1条概念或词汇关系

矿浆、矿粉

同一义项的词语:矿浆、矿粉

a mixture of cellulose fibers

义项编号 14794418-n

2条概念或词汇关系

弹壳黄铜

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

1条概念或词汇关系

表面渗碳硬化钢

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

1条概念或词汇关系

纤维素酯

同一义项的词语:纤维素酯

any ester of cellulose with an acid

义项编号 14794823-n

3条概念或词汇关系

硝化纤维素

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-n

6条概念或词汇关系

柯罗定、火棉胶、胶棉

同一义项的词语:柯罗定、火棉胶、胶棉

a colorless syrupy solution of pyroxylin in ether and alcohol; used as a coating for wounds or photographic films

义项编号 14795263-n

1条概念或词汇关系

焦纤维素、高氮硝化纤维素

同一义项的词语:焦纤维素、高氮硝化纤维素

nitrocellulose containing less nitrogen than guncotton; used in making smokeless powder

义项编号 14795432-n

2条概念或词汇关系

低氮硝化纤维素、火棉、焦木素、硝酸纤维素、绵火药

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-n

1条概念或词汇关系

动物淀粉、糖原质

同一义项的词语:动物淀粉、糖原质

one 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-n

2条概念或词汇关系

菊粉、菊糖

同一义项的词语:菊粉、菊糖

used to manufacture fructose and in assessing kidney function

义项编号 14795959-n

1条概念或词汇关系

石炭酸、苯酚

同一义项的词语:石炭酸、苯酚

a 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

2条概念或词汇关系

活性炭

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-n

1条概念或词汇关系

  • 上位概念:碳

石墨、黑铅

同一义项的词语:石墨、黑铅

used as a lubricant and as a moderator in nuclear reactors

义项编号 14796575-n

3条概念或词汇关系

石墨芯

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-n

1条概念或词汇关系

二氧化碳、碳酸气

同一义项的词语:二氧化碳、碳酸气

a 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-n

3条概念或词汇关系

窒息瓦斯、窒息空气

同一义项的词语:窒息瓦斯、窒息空气

the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life

义项编号 14797264-n

1条概念或词汇关系

二硫化碳

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

1条概念或词汇关系

一氧化碳

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

复写纸

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

1条概念或词汇关系

  • 上位概念:纸

四氯化碳

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

2条概念或词汇关系

四卤化碳

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-n

1条概念或词汇关系

碳酸盐、碳酸盐或酯、碳酸酯

同一义项的词语:碳酸盐、碳酸盐或酯、碳酸酯

a salt or ester of carbonic acid (containing the anion CO3)

义项编号 14798450-n

5条概念或词汇关系

雷酸盐

同一义项的词语:雷酸盐

a salt or ester of fulminic acid

义项编号 14798709-n

2条概念或词汇关系

雷汞、雷酸汞

同一义项的词语:雷汞、雷酸汞

a 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

2条概念或词汇关系

碳酸

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-n

2条概念或词汇关系

研磨料、磨料、磨蚀剂

同一义项的词语:研磨料、磨料、磨蚀剂

a substance that abrades or wears down

义项编号 14799244-n

7条概念或词汇关系

碳化硅、金刚砂

同一义项的词语:碳化硅、金刚砂

an abrasive composed of silicon carbide crystals

义项编号 14799476-n

1条概念或词汇关系

卡纸板、厚纸板、硬纸板

同一义项的词语:卡纸板、厚纸板、硬纸板

a stiff moderately thick paper

义项编号 14799601-n

7条概念或词汇关系

弹药纸

同一义项的词语:弹药纸

paper for making cartridge cases

义项编号 14799833-n

1条概念或词汇关系

  • 上位概念:纸

画图纸

同一义项的词语:画图纸

thick white paper for pencil and ink drawings

义项编号 14799927-n

1条概念或词汇关系

薄纸板

同一义项的词语:薄纸板

thin cardboard, usually rectangular

义项编号 14800034-n

1条概念或词汇关系

焦磷酸硫胺素、硫胺素焦磷酸酯

同一义项的词语:焦磷酸硫胺素、硫胺素焦磷酸酯

a coenzyme important in respiration in the Krebs cycle

义项编号 14800138-n

1条概念或词汇关系

辅酶

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

3条概念或词汇关系

辅酶 A

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

1条概念或词汇关系

辅助酶

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

1条概念或词汇关系

瓦楞纸板

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-n

1条概念或词汇关系

写布告用的硬纸板、广告纸板、海报用纸

同一义项的词语:写布告用的硬纸板、广告纸板、海报用纸

a cardboard suitable for making posters

义项编号 14801146-n

1条概念或词汇关系

厚纸、硬纸板

同一义项的词语:厚纸、硬纸板

stiff cardboard made by pasting together layers of paper

义项编号 14801271-n

2条概念或词汇关系

书皮纸板、书面厚纸、麻丝板

同一义项的词语:书皮纸板、书面厚纸、麻丝板

stout pasteboard used to bind books

义项编号 14801402-n

1条概念或词汇关系

硬纸板、马粪纸、黄纸板

同一义项的词语:硬纸板、马粪纸、黄纸板

a coarse yellow cardboard made of straw pulp

义项编号 14801493-n

1条概念或词汇关系

光玉髓、红玉髓

同一义项的词语:光玉髓、红玉髓

a translucent red or orange variety of chalcedony

义项编号 14801594-n

1条概念或词汇关系

角叉菜胶

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

锭铁

同一义项的词语:锭铁

iron of high purity

义项编号 14801845-n

1条概念或词汇关系

  • 上位概念:铁

生铁、铸铁、锻铁

同一义项的词语:生铁、铸铁、锻铁

an 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

4条概念或词汇关系

铜铅合金

同一义项的词语:铜铅合金

cast iron used for making cooking wares

义项编号 14802167-n

1条概念或词汇关系

生铁、铸铁

同一义项的词语:生铁、铸铁

iron having a low carbon content that is tough and malleable and so can be forged and welded

义项编号 14802262-n

3条概念或词汇关系

钢、钢铁

同一义项的词语:钢、钢铁

an 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

10条概念或词汇关系

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