听声词典

powder

P 开头单词

音标发音

  • 英式音标 [ˈpaʊdə(r)]
  • 美式音标 [ˈpaʊ.dɚ]
  • 国际音标 ['paudə]
  • 英式发音
  • 美式发音

基本解释

  • n. 粉；粉末；[化工][军] 火药；尘土
  • vt. 使成粉末；撒粉；搽粉于
  • vi. 搽粉；变成粉末

词源解说

  • 直接源自古法语的poudre，意为粉尘；最初源自拉丁语的pulverem，意为灰尘。

词根记忆

  • 和power(n.力量)一起记

同根派生

  • adj性质的同根词
    powdered：变成粉末的；涂粉的。
    powdery：粉的；粉状的；布满粉状物的。
  • v性质的同根词
    powdered：使成粉末（powder的过去分词）；撒粉；搽粉。

英汉例句

    用作名词 (n.)

  • Flour is a powder made from wheat.
    面粉是用小麦磨成的粉。

词组短语

    用作名词 (n.)

    动词+～

  • take powder 服用药粉

    • 名词+～

  • baking powder 发酵粉
  • face powder 面粉;散粉;扑面粉;香粉
  • soap powder 肥皂粉

    • 短语

  • powder metallurgy 粉末冶金
  • milk powder [食品]奶粉;乳粉;毒奶粉;配方奶粉
  • shading powder 修容饼;修容

英英字典

    剑桥英英字典

  • a loose, dry substance that consists of extremely small pieces, usually made by breaking something up and crushing it
  • to put powder on someone's skin

    • 柯林斯英英字典

  • Powder consists of many tiny particles of a solid substance.
  • If a woman powders her face or some other part of her body, she puts face powder or talcum powder on it.

专业释义

    机械工程

  • 粉体

    Rocking mixer is a new-style powder mixer.
    摇滚式混合机是一种新型的粉体混合机。

  • 粉末

    PPy powder was synthesized and its thermal aging characteristics were studied.
    合成了聚吡咯粉末并研究了其热老化情况。

  • 面粉

    MethodsMicrowave digestion and wet digestion were applied in the determination of milk powder, milk drink, white wine, flour, aquatic products, meat products, and soft drink and so on.
    方法将微波消解和湿式消解法用于实际样品包括奶粉、乳饮料、白酒、面粉、水产品、肉制品、饮料等的测定,并对这2种方法进行比较。

  • 粉尘

    Waste powder is used as bottom material of road brick to make product, which is a way of dealing waste powder.
    本课题利用细骨料废弃物粉尘作为路面砖底料来进行制品的生产是一种合理的处理废弃物粉尘的方法。

    化学

  • 粉末

    We found the oxalic acid has some effect on separate mullite powder.
    研究还发现草酸添加剂对减轻酸化莫来石颗粒的团聚，减小粉末粒径有一定作用。

  • 粉体

    Shaping process of K-OMS-2 powder was investigated.
    对OMS-2粉体材料的成型工艺进行了探索。

  • 粉料

    The results showed that beta-Al2O3 precursor powder with the average size of 42 nm was obtained at 1 150 ℃,150 ℃ lower than the solid state reaction.
    结果表明:该法合成beta-Al2O3前驱粉料的温度为1150℃,比固相反应法低了150℃,平均粒径约为42nm,具有较好的成型和烧结性能。

  • 微粉

    In the grader jet whirl can make the powder be dispersed repeatedly.
    射流形成的卷吸流可使微粉获得良好的二次分散。

  • 火药

    • 医药科学

  • 散剂

    CONCLUSION The Jianpizhixie powder is simple in preparation technology,stable in quality and suitable for clinical requirement.
    结论本散剂制备工艺简单,质量稳定,符合临床需要。

  • 粉雾剂

    OBJECTIVE To improve the deposition performance and to reduce the hygroscopicity of Interferonα-2b dry powder inhalations(IFNα-2b DPIs).
    目的提高干扰素α-2b粉雾剂的沉积性能并降低其引湿性。

    能源科学技术

  • 火药

    First, the dynamic models and relative solution methods of the three major subsystems, including deflagrating powder loading, liquid column movement above the powder gas and fracture dynamic extension are studied.
    论文首先对高能气体压裂过程中的火药爆燃加载、压挡液柱运动、裂缝动态延伸三个主要模块进行了动力学模型和相应求解方法的研究。

    环境科学技术

  • 火药

    The reason might be the powder product had some certain toxic to the bacteria.
    究其原因,可能是火药制品存在一定的毒性,而微生物无法将其分解。

    物理学

  • 粉尘

    Though it effect well when powder concentration is high, it cannot get a good measurement result when the concentration is low.
    光透射的方法在测量高浓度粉尘时效果较好，但是在粉尘浓度较低时，它便无法得到较好的测量结果。

    食品科学技术

  • 茶粉

    • 体育

  • 重击(投出的球等)

    • 材料科学

  • 粉末

    • 生物学

  • 粉

    • 计算机科学技术

  • 粉