phon-如何读|是什么意思|英英释义|_医学行业词汇|词源英文解释|医学词典英英释义|-万象西游

phon如何读

英：[fɒn]

美：[fɒn]

phon是什么意思

n.方（响度级的单位）
pref.表示“声；音调”(=phono-)
abbr.语音的（=phonetic）
abbr.音系学（=phonology）

phon英英释义

noun

a unit of loudness of sound, relative to a pure tone of one kilohertz, the difference being measured either objectively with acoustical equipment, or subjectively.

phon_医学行业词汇

声音的主观响度单位

phon词源英文解释

1930s: from Greek phōnē 'sound'

phon医学词典英英释义

noun

the unit of loudness on a scale beginning at zero for the faintest audible sound and corresponding to the decibel scale of sound intensity with the number of phons of a given sound being equal to the decibels of a pure 1000-hertz tone judged by the average listener to be equal in loudness to the given sound

phon 例句

1 Bacteria such as Citrobacter sp. harboring phoN, a gene encoding a nonspecific acid phosphatase, have been reported to precipitate heavy metals efficiently.

含编码非特异性酸性磷酸酶基因（phoN）的细菌如柠檬酸杆菌（Citrobacter freudii）等能有效地吸附去除废水中的重金属，但这类微生物对辐射敏感。

2 Increasing the thick-ness of porous layer suitably was of benefit to boiling heat transfer. The coefficient of boiling heat transfer decreased as the height of thermal si-phon...

适当增大多孔层厚度将有利于沸腾传热系数的提高，而热虹吸高度的降低将不利于沸腾传热系数的增大。

3 A unit called a phon is used to express loudness numerically.

4 Each curve is labeled with its loudness in phons.

5 At a frequency of 1000 Hz, phons are taken to be numerically equal to decibels.

6 Sounds above 120 phons are painful as well as damaging.

7 The curved lines indicate what effect hearing losses of 40 and 60 phons will have.

8 Phons differ from decibels because the phon is a unit of loudness perception, whereas the decibel is a unit of physical intensity.

9 What is the approximate sound intensity level in decibels of a 600-Hz tone if it has a loudness of 20 phons?

10 Il a t é l é phon é pour faire venir le m é decin.

他打电话请来了医生.

phon 同义词

1 方

foursquare side hand

phon