The Applied Evaluation of Depth of Anaesthesia with Brainstem Auditory Evoked Potential in Three Different Decibels Level in Patients Undergoing Craniocerebral Surgery

3种声强下脑干听觉诱发电位在颅脑手术麻醉深度评估中的应用

Measured in decibels , noise intensity can range from zero, the quietest sound the human ear can detect, to over 160 decibels

按分贝计算，噪音强度可以从零(人耳所能感到的最低声音)到160分贝以上。

Logarithmic quantities and units-Part 2: Logarithmic ratios, levels in nepers and decibels

对数值和单位.第2部分:对数关系.质量.奈培级和分贝级

A unit of apparent loudness,equal in number to the intensity in decibels of a1,000-hertz tone judged to be as loud as the sound being measured.

方(响度级的单位)一种表现声音的单位，在数量的上等于把1000赫兹声音作测星音时的分贝强度

This is a logarithmic scale which means that increasing the number of decibels corresponds to a multiplication of intensity. as a generalization. loss of hearing will result with prolonged exppsure to noise in excess of 90dB.

分贝单位是对数比例，是音量的度以倍数选进。长期处于分贝以上的音量中，通常用导致失聪。

It is necessary to protect the ear to reduce sound pressure on it if the ear is to be subject to noise at a sound pressure level more than 85 decibels continuously.

如果耳朵要连续承受压级为85分贝以上的噪音，则必须保护耳朵以减低它所承受的声压。

The protection of the ear to reduce sound pressure on it is necessary if the ear is to be subjected to noise at a sound pressure level more than 85 decibels continuously.

如果耳朵要连续承受压级为85分贝以上的噪音，则必须保护耳朵以减低它所承受的声压。

In the Canadian study volunteers carried out tasks while listening to levels of noise varying from 53 decibels (equivalent to an office environment)to 95 decibels (equivalent to an oil rig)

在加拿大的研究中，志愿者们边开车边听不同分贝的音乐，从53分贝(相当于办公室的声音环境)到95分贝(相当于石油钻探时的声音环境)不等。

At 95 decibels reaction times to tasks that involve decision making plummeted by 20%

噪音达到95分贝时，作出判断的反应次数锐减了20%。

The ordinate scale is linear in decibels

纵坐标比例尺以分贝为单位是线性的。

||1:If a person takes a subway to go from one place to the other for half an hour in the morning and a half an hour in the evening, and every day has to turn up the volume on his device because there is so much of noise of the train and everything around.||2:And is listening to - let us say 100 db (decibels ) for one hour every day, his hearing is going to get irreversibly damaged in a few years, in a couple of years time, for sure.

||1:如果某人每天早晚各乘坐半个小时的地铁出行，而且因为地铁和周边环境很吵每天必须把音量调高。||2:如果我们假设每天他听100分贝声音的时间是1个小时，他的听力将会在数年内遭受不可逆转的损害。这肯定只需要几年时间。

Dr. Chadha says there are simple measures to protect people from unsafe sound levels. She says young people who wear earplugs during concerts can enjoy music at 90 decibels as much as they can at 110 decibels. But she admits that earplugs may not look very cool.

查达博士表示，有几种简单的措施可以让人们远离不安全的声音水平。她说，年轻人在演唱会上戴上耳塞就能聆听90分贝甚至高达110分贝的音乐。但是她承认，耳塞可能看不上不是很酷。

Dr. Chadha told VOA when the intensity of sound increases by only three decibels , safe listening time goes down by half.

查达博士对美国之音表示，声音强度只要增加3个分贝，安全聆听时间就会下降一半。

The WHO says there can be many kinds of unsafe levels of sound. It depends on how loud the sound is and how long you listen to it. Unsafe can mean noise levels of 85 decibels for eight hours a day or 100 decibels for just 15 minutes.

世界卫生组织表示，不安全声音等级有很多种。它取决于声音的响度以及听的时间。不安全意味着每天8小时接受85分贝的噪音水平，或者接受15分钟100分贝的噪音水平。

"When subjected to 100 decibels or more, hearing damage can occur in just 15 minutes. "

“100分贝或100分贝以上的声音在15分钟内就会对听力造成损害。”

Keep personal music players at or below 85 decibels (dB).

把随身听的音量调到85分贝以下。

When the background noise was increased by six decibels , volunteers understood 400 per cent more speech.

当背景噪音提高6分贝时，志愿者多听懂了400%的言语。

The noise went up several decibels when the police department’s marching band played "Here Comes the Bride" .

当警察局的游行乐队奏响“新娘来了”时，欢呼声升高了好几分贝。

The noise went up several decibels when New York’s police department’s marching band played "Here Comes the Bride" .

当纽约州警局的乐队奏响“新娘到来”，喧哗声顿时上升好几个分贝。

The sound of a snore (up to 69 decibels ) can be almost as loud as the noise of a pneumatic drill.

鼾声（最高达69分贝）的响度可能相当于风钻的噪音。

Even the simplest earplugs, she says, can lower noise exposure by 20 decibels and protect hearing cells from permanent damage.

亨德逊说，即使一个最简单的耳塞，都能够降低20分贝的噪音，保护我们的耳朵原理永久性的伤害。

These little guys are the world’s loudest animals relative to their body size and can attain volumes up to 99. 2 decibels when they sing.

就体型而言，它们算是世界上叫的最响的动物了，一旦唱起歌来，可达到99.2分贝。

The decibels of din at every break wasn’t social networking; it was an exchange of ideas.

每次茶歇期间会场内的喧嚣声并不是来自社交活动，而是代表们在交换意见。

Business was being done, but it was quiet both in terms of decibels and visitors.

虽然有商业交易，但是就声音分贝与参观者来说，9.0展厅还是相当安静的。

One trick: when you FEEL like screaming, is precisely the time to take a deep breath and lower the decibels .

小窍门：当你想大喊大叫的时候，正是你需要深呼吸和降低分贝的时候。

It said tests had shown the sound emitted by a vuvuzela was the equivalent to 127 decibels .

研究称，有试验显示“呜呜祖拉”发出的响声高达127分贝。

The researchers blasted that sandwich with sound waves, which at 100 decibels were not quite as loud as a rock concert.

研究人员用100分贝的声波去冲击夹着纳米线的两个电极，这种音量还没有摇滚音乐会的声音那么大。

A heavy truck, some seven metres away, would amount to about 95-100 decibels , and a nightclub bar to about 95-105 decibels.

一辆在7米以外驶过的重型卡车，可能发出约为95至100分贝的噪音，而夜总会酒吧的噪音约在95至105分贝之间。

The outcome demonstrated that the average of machinery noise was 64. 04 decibels , and the average artificial noise was 67. 9 decibels.

在方案实行后，结果显示新生儿加护病房内机械性噪音平均为64.04分贝，人为噪音平均为67.9分贝。

A normal conversation is about 60-70 decibels , but the technology currently only operates at 100 decibels. Getty Images

正常通话声音的音量大约在60到70分贝之间，但是这项技术目前仅能将100分贝的声音转化成电能。

decibels above one volt

伏特分贝(以1伏特为零电平的分贝)

decibels above one watt

瓦分贝(以1瓦为零电平的分贝)

perceived nose decibels

n.可闻噪声分贝

perceived noise decibels

可闻噪声分贝

Perceived Noise Decibels

能感应的噪音分贝

deciBels relative to 1 watt

瓦特分贝(相对于1瓦的分贝;= Design BandWidth,设计带宽)

decibels relative to one volt

伏特分贝

decibels relative to one watt

瓦分贝瓦特分贝

decibels above reference noise

超过基准噪声的分贝数

decibels above one square meter

超过1平方米的分贝数

linear approximation to decibels

n.分贝的线性近似

perceived noise level in decibels

n.感觉到的噪声分贝

decibels referred to one-kilowatt

千瓦分贝(以1千瓦为零电平的分贝)

decibels above reference coupling

基准耦合分贝

Effective Perceived Noise Decibels

有效感觉噪音(分贝)

decibels referenced to one milliwatt

毫瓦分贝(以一毫瓦为零电平)

decibels with reference to milliwatt

n.毫瓦分贝

decibels with reference to one kilowatt

千瓦分贝

decibels with reference to one pecowatt

微微瓦分贝

decibels with reference to one kilo watt

千瓦分贝