hf

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 ).

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.

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

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

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 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.

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.

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

最后在49%HF中腐蚀形成这些结构.

Remove victim from source of HF fumes.

把受害人从HF烟雾源转移走.

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.

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

HF 是最强的酸,它有最弱的共轭碱.

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 ).

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.

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

HF最终扩散到大气中,在大气中它通过湿沉积被除去.

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.

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.