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lead pb

  • 铅笔芯:铅笔的内部填充物,通常由石墨和粘土混合制成,用于书写和绘画。

网络释义专业释义

 

(pb)

基于8个网页-相关网页

短语

Lead-pb 重金属铅

Lead Pb Maximum 铅最大值

lead pb isotope pb同位素

pb lead-free 无铅化

 更多收起网络短语
  • - 引用次数:16

    参考来源 - 瑞典能源柳对铅胁迫的响应与园林利用特性研究
  • - 引用次数:16

    参考来源 - 水稻品种对土壤重金属镉铅吸收分配的差异及其机理

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句权威例句

  • Let's choose Latin, the language of scholarship, and so iron became Fe for ferrum and lead became Pb for plumbum and gold is Au for aurum and so on.

    拉丁文吧,用于学术语言所以iron变成Fe,表示元素,变成了,Pb,表示铅元素,变成了Au,表示金元素,等等

    youdao

  • The principle, process and conditions of producing lead series products from Pb - contained waste slag, which is from TV tube plant, are introduced.

    介绍了利用显像管玻壳厂含废渣生产产品原理操作工艺条件

    youdao

  • The lead concentration in Pb-Sn alloy plating bath was determined by standard additional atomic ab-sorption spectrometry, and the optimal determination conditions were obtained.

    采用标准加入原子吸收分光光度法测定合金锭液铅的浓度,试验确定最佳的测定条件。

    youdao

更多双语例句
  • Yes that's right, the base metal element lead, Pb, or more exactly the lead-based chemical compound Pb(CH2CH3)4 added to petrol to make car engines run more smoothly.

    BBC: Does lead poisoning make you violent?

  • Simeon Williamson, coached by Cowan and fresh from a spell training with Asafa Powell, cruised to victory with a PB of 6.53 seconds and the 23-year-old could be the one to lead Britain's sprinting charge to 2012.

    BBC: Banishing the Beijing demons

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