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hf    
n. high frequency(高频)的简写

high frequency(高频)的简写

Hf
n 1: a grey tetravalent metallic element that resembles
zirconium chemically and is found in zirconium minerals;
used in filaments for its ready emission of electrons [synonym:
{hafnium}, {Hf}, {atomic number 72}]
2: 3 to 30 megahertz [synonym: {high frequency}, {HF}]

Hydrofluoric \Hy`dro*flu*or"ic\, a. [Hydro-, 2 fluoric.]
(Chem.)
Pertaining to, or containing, hydrogen and fluorine;
fluohydric; as, hydrofluoric acid.
[1913 Webster]

{Hydrofluoric acid} (Chem.), a colorless, mobile, volatile
liquid, {HF}, very corrosive in its action, and having a
strong, pungent, suffocating odor. It is produced by the
action of sulphuric acid on fluorite, and is usually
collected as a solution in water. It attacks all
silicates, as glass or porcelain, is the agent employed in
etching glass, and is preserved only in vessels of
platinum, lead, caoutchouc, or gutta-percha.
[1913 Webster]


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英文字典中文字典相关资料:


  • Welcome - Hugging Face
    Explorer App Builder Engineer Researcher HF Spaces The community AI apps directory Open source libraries The ultimate open source toolbox for AI
  • huggingface (Hugging Face)
    Recent Activity Papers What's new in the hf CLI and huggingface_hub library A curriculum for post-training agents Tokenmaxxing BERT: 50x faster tokenization Introducing Llama Windows: llama cpp in your Windows tray
  • 氟化氢_百度百科
    氟化氢(hydrogen fluoride,CAS 7664-39-3),分子式为HF,相对分子质量20 01,常温下为无色气体,有强刺激性气味,易溶于水,沸点19 5℃,熔点-83 36℃,密度0 818kg m3。
  • Hydrogen fluoride - Wikipedia
    HF is diatomic in the gas phase, consisting of separate molecules As a liquid, HF forms relatively strong hydrogen bonds, hence its relatively high boiling point
  • HF-Mirror
    如何使用HF-Mirror🌟 本站域名 hf-mirror com,用于镜像 huggingface co 域名。 作为一个公益项目,致力于帮助国内AI开发者快速、稳定的下载模型、数据集。 捐赠支持请看网页左下角,感谢支持! 更多详细用法请看 《这篇教程》。 方法一:网页下载
  • 铪(化学元素)_百度百科
    铪,元素周期表第六周期第4族过渡金属元素,符号Hf,原子序数72,相对原子质量178 6。 铪是有韧性、有光泽的银灰色金属,相对密度为13 31g cm3(20℃),熔点2227℃,沸点4602℃,电阻率35 1×10-8Ω·m(20℃)。 性质和锆相似,因在空气中产生氧化膜而抗腐蚀。
  • 氢氟酸 CAS#: 7664-39-3 - ChemicalBook
    氢氟酸 (简称HF)是氟化氢气体的水溶液,又称为氟酸、白骨酸、化骨水、洗钻水、除锈剂、酸洗,常温下为无色透明至淡黄色冒烟液体,有刺激性气味,比重0 98,比水略轻,沸点19 4℃,极易挥发,置空气中,即发白烟。
  • HIKARI FIELD STORE | 现已推出游戏套装
    HIKARI FIELD 官方游戏商城,专注美少女游戏 | 视觉小说 | galgame官方中文版制作与发行。 近月少女的礼仪、爱上火车、千恋万花、游魂2、苍之彼方的四重奏、RIDDLE JOKER、月影魅像、魔卡魅恋!、 樱之杜净梦者、茂伸奇谈、淑女同萌!、爱丽娅的明日盛典!、TrymenT—献给渴望改变的你—、在世界与世界
  • Hydrofluoric Acid | HF | CID 14917 - PubChem
    - For small fires involving UN 1790, hydrofluoric acid (HF), use carbon dioxide, dry chemical, dry sand, or alcohol-resistant foam - For large fires involving UN 1790, use water spray, fog, or alcohol-resistant foam





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