hf

hf读音音标

英[]

美[]

基本意思释义

abbr.half 半; hard firm 坚硬（铅笔芯）; hard finish(ed) 缓硬的; hard-faced 表面硬化的

短语及实用例句

The biggest increase was on the cheapest model, the CRX-HF. That car had a 1990 base price of $9,145.

涨价*快的是*便宜的车型CRX-HF，那款车1990年的基价是9,145美元。

柯林斯例句

Reactions in liquid HF are known that illustrate also amphoteric behavior, solvolysis, or complex formation.

已知在液态HF中,也能说明两性行为溶剂分解或络合物形成作用的反应.

辞典例句

HF has a pungent odor. It is extremely corrosive.

HF有一种刺激性气味. 它是极强的腐蚀剂.

HF ( the strongest acid ) has the weakest conjugate base.

HF 是*强的酸,它有*弱的共轭碱.

Finally the structures were released in a 49 % HF etch.

*后在49%HF中腐蚀形成这些结构.

Frequency domain: total frequency components ( TF ), low frequency components ( LF ), high frequency components ( HF ).

频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).

Remove victim from source of HF fumes.

把受害人从HF烟雾源转移走.

HF inhaled in high concentrations may cause glottitis ( obstruction of the airway ) and acute pulmonary edema.

吸入高浓度 HF 会导致喉道阻塞和急性肺水肿.

We compared on - line hemofiltration to high - flux hemodialysis ( HF - HD ) in patients in a sequential manner.

我们在患者中以连续性方式比较了在线血液滤过和 高通量 血液透析 ( HF-HD ) 的疗效.

Fluorine and hydrogen fluoride in a mixed gas, HF -- F _ 2 -- Ar ahd F _ 2 -- HF -- N _ 2, have been determined.

该仪器已用于HF-F_ 2-Ar和HF-F_2-N_2等混合气体中氟和氟化氢的测定.

After returning to HF - HD for 4 months, all measured parameters returned to their respective baseline alles.

重新恢复到HF-HD四个月后, 所有指标恢复到各自的基线水平.

Frequency domain: total frequency components ( TF ), low frequency components ( LF ), frequency components ( HF ).

频域分析: 总频谱成分 ( TF ), 低频成分 ( LF ), 高频成分 ( HF ).

HF ultimately diffuses down to the troposphere where it is removed by wet deposition.

HF*终扩散到大气中,在大气中它通过湿沉积被除去.

Silicon, semiconductor material , can form different configurations at anodic bias etching system in the HF electrolyte.

半导体硅在含HF电解液阳极氧化体系中可以形成不同的腐蚀形态.

HF company is a high - tech enterprise specializing in researching, developing, manufacturing and selling relays.

HF公司是一家专业从事继电器研究 、 开发 、 生产和销售的 高新技术 企业.

英英释义

Noun

1. a gray tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons