hf的例句大全

Objective To study the mechanism of Anxin granule on prevention and treatment of heart failure ( HF ).

目的探讨安心颗粒防治心力衰竭的作用机制.

In addition, monophosphate-activated protein kinase ( AMPK ) levels were high during fasting and low during HF diet.

此外, 磷酸腺苷活化蛋白激酶 ( AMPK ) 的水平很高,并在空腹时低高频的饮食.

Development of SF-501 Transceiver Specially Used for Bypath HF Protection

SF-501旁路高频保护专用收发信机的开发研制

Cardiac secretion of B-type natriuretic peptide ( BNP ) increases with the progression of heart failure ( HF ).

随着心力衰竭 ( 心衰 ) 的发展,心脏分泌物脑利钠肽 ( BNP ) 也随着增加.

Wanshicheng has exquisite craft, advanced plating line, stamping machine, HF welding machine and other relevant equipment.

万事成具备精雕细琢的工艺, 进步的电镀流水线, 压机冲床, 高频焊机等整套高水准工艺设施.

The result of HF communication based on 16 QAM-OFDM has been provided.

给出了基于OFDM-16QAM的 短波 信道通信仿真结果.

Ringtone played both to headset ( BT or wired ) and to internal HF speakers.

连接耳机时 ( 蓝牙耳机或者有线耳机 ) 铃声将从耳机中传出.

Semi automatic operation on HF radiotelephone circuits.

高频无线电话电路的半自动运行.

Right now, it is uncertain which type of tag , HF or UHF, will dominate the market.

目前还不能确定高频或超高频, 哪种类型的卷标最终将统治市场.

Purpose: transceiver final amplifier application , HF transceiver application.

用途: 用于无线收发机的末级放大和高频收发.

A type of switched HF pulse TIG welding power source is introduced in this paper.

本文介绍一种开关式高频脉冲TIG焊电源.

In this text, we have developed a HF E-mail system, and shown its viability.

论文提出了一种 短波 邮件系统, 实验表明该系统是可行的.

METHODS: Male adult rats were subjected to establish HF model by constricting the abdominal aorta.

方法：采用缩窄腹主动脉法制备心力衰竭大鼠模型；

According to the content of H2 CO2 HF and HC1 produced by these three fluoropolymers in variety ambiences, the yields of them have been calculated.

根据产生气体的量，按照辐射化学公式计算出了三种氟聚合物在不同气氛中产生的几种主要气体H2、CO2、HF和HCl的产额。

The fabrication method of ID photonic crystal includes anodization of p-and n-type silicon with various current densities under aquiferous HF solution of different concentration.

而一维光子晶体的制备方法包括p型和n型单晶硅在不同电流密度下阳极氧化以形成折射率交替变化的多孔硅层，并采用了不同氢氟酸浓度的腐蚀液，以获得最佳的浓度配比。

According to the experiment results and Arrhenius law, HF indicating the comprehensive combustion characteristic has been put forward.

根据实验数据及阿累尼乌斯定律，提出了表征样品综合燃烧特性的指数HF。

A new method for the measurement of the broadband HF antenna gain

短波宽带天线增益测量新方法