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1. Semi automatic operation on HF radiotelephone circuits.

2. Purpose: transceiver final amplifier application , HF transceiver application.

3. Hf What's my heat of formation? Delta Hf.

4. The HF ground wave radar receiver system based on USB2.0 technique is introduced.

5. The HF harmonics of fault voltage are more serious than those of fault current under the same fault condition.

6. In order to improve the performance of HF ground wave radar for anti-jamming, the system band is synthesized of several discontinuous clear frequency bands.

7. In this paper, physiological reactions to HF exposure by Polygonum chinensis L. , Fagopyrum cymosum Meisn and Metasequoia glyptostroboides were studied with top opened field chamber.

8. AIM: To study the atrophy and apoptosis effect of flutamide (Flu) and 2 hydroxyflutamide (HF) on the benign prostatic hypertrophy (BPH) of rats.

9. The stainless steel annealing and pickling process can product large quantity of waste mixed acid(HF/HNO3) that must be treated through acid purification system.

10. The core of the system is the HF automatic link establishment, for short, ALE.

11. The improvement field emission by Hf coating on CNTs surface is attributed to the low work function, chemical inertness and good conductivity of HfC.

12. I mean come on guys, HF is a completely different game and i think Marti also clearly stated that.

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

14. It is now clear that continued stimulation of the neurohormonal system in heart failure (HF) has serious deleterious effects on the heart.

15. Objective:To observe the clinical curative effect of hemofiltration(HF) on patients with neuropsychic symptoms in telophase of uraemia.

16. There are no especial advantage and distinctness by using the modern spectrum analysis method or FFT to study balance the specific value VLF/HF between the healthy individuals and hyperthyroid.

17. Due to poor carbon source for denitrification in the horizontal part of VF/HF constructed wetlands, the influence of adding cattail litter on nitrate removal and the effluent quality was investigated.

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

19. So, it is very important to increase the research of automatic Link Establishment in the third-generation HF communication systems and to promoting the development of China's 3G-ALE system.

20. This paper presents an improved arithmetic for extracting and compensating the phase-path variations caused by the ionospheric disturbance in a HF sky-wave OTH radar with FMCW waveform.

21. A general LXI bus module based on ARM is presented in this paper and can be employed for multi-frequency HF ground wave radar(HF GWR).

22. Design and performance of a closed cycle, repetitive frequency non-chain HF laser is described. Homogeneous glow discharge is formed with UV pre-ionization and transverse discharge structure.

23. This is a relatively arbitrary cut-off level and there is limited evidence in the large population with symptomatic HF and an EF between 40 and 50%.

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

24. Sentencedict.com try its best to gather and build good sentences.

25. Of note:Two-way loudspeaker loaded with a12-inch woofer and a1-inch HF compression driver.

26. Conclusions: The addition of spironolactone to candesartan has significant beneficial effects on LV reverse remodeling in patients with mild-to-moderate chronic systolic HF.

27. Linear frequency modulated continuous wave(LFMCW) signal is usually used by HF radar such as skywave Over-The-Horizon radar(OTHR), surface wave OTHR, and so on.

28. Beta-blocker can suppress neurohumoral over activation in patients with HF.

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

30. This article discuss the principle of the fluorination about vinylidene chloride and HF, and the technology require of fluorination reactor, optimize process data and waste water treatment technology.