urea

音標發(fā)音

• 英式音標 [j?'ri??; 'j??r??]
• 美式音標 [j??ri?.?]
• 國際音標 ['ju?ri?]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n. [肥料] 尿素
• n. (Urea)人名；(西、羅)烏雷亞

同根派生

• urea相關(guān)詞

英漢例句

• Urea is commonly used as the source of nitrogen in foliage sprays.
  尿素作為氮素給源普遍地應(yīng)用于葉面噴布.
• It must be broken down to urea, which consumes energy.
  它必須被分解成為尿素, 這時也要消耗能量.
• A kidney also takes urea and mineral salts out of the blood.
  腎還排出血液中的尿素和無機鹽.
• Urea is commonly used as the source of nitrogen in foliage sprays.
  尿素作為氮素給源普遍地應(yīng)用于葉面噴布.
• Decanediamide was synthesized using sebacic acid and urea as starting materials.
  以癸二酸和尿素為原料合成癸二酰胺.

• urea更多例句

詞組短語

短語

• Urea Phosphate 磷酸脲;[肥料]尿素磷酸鹽;磷酸尿素;供應(yīng)磷酸脲
• Thio Urea 硫脲;硫尿素
• urea chloride 氨基甲酰氯
• urea anhydride 氨基氰;翻譯
• urea - 脲;尿素;翻譯

• urea更多詞組

英英字典

劍橋英英字典

• a substance found in urine and also made from ammonia, used in fertilizers, animal feed, and in the plastics industry

柯林斯英英字典

• a white water-soluble crystalline compound with a saline taste and often an odour of ammonia, produced by protein metabolism and excreted in urine. A synthetic form is used as a fertilizer, animal feed, and in the manufacture of synthetic resins. Formula: CO(NH2)2 (Also called carbamide)

• urea劍橋字典
• urea柯林斯字典

專業(yè)釋義

農(nóng)業(yè)科學(xué)

• 尿素

化學(xué)

• 尿素

  Methyl N-phenylcarbamate can be synthesized from aniline,urea and methanol.
  用苯胺、尿素和甲醇一步法合成了苯氨基甲酸甲酯(MPC)。

• 脲

  As for ureas, it was rather complicated. Urea and N-methyl urea gave complex mixutures.
  對脲的反應(yīng)情況比較特別,脲素、甲基脲都生成復(fù)雜的混合物,只對苯基脲反應(yīng)較好。

  醫(yī)藥科學(xué)

• 尿素

  目的：探討14C尿素呼氣試驗(14C-UBT)的臨床應(yīng)用價值。

• 脲

  Carbamide peroxide decomposition, not only produce hydrogen peroxide, also produced urea, ammonia, carbon dioxide and other harmful substances.
  過氧化脲分解后，不但產(chǎn)生過氧化氫，還產(chǎn)生脲、氨、二氧化碳等一些有害物質(zhì)。

  生物學(xué)

• 尿素
• 脲