Flow-induced noise generation related to flow field in centrifugal pumps is especially important.
离心泵中,由流场产生的流动噪声尤其重要。
Relay contacts should be shielded from the coil to minimize induced noise from the relay power supply.
继电器触点和线圈之间应该屏蔽,以使继电器电源引起的感应噪声最小。
A detailed principle and a rigorous analysis of a new noise, the gate-induced noise, in pixel MOSFET of CMOS imagers are provided.
采用系统研究方法来分析包括MOS器件的沟道噪声和感应栅噪声在内的CMOS低噪声放大器中的噪声,并提出了一个新的噪声系数解析式。
In centrifugal pumps, noise includes two parts, one is mechanical noise which is generated by mechanical vibration, and the other is flow-induced noise which is generated by flow field.
在离心泵中,噪声包含两部分,一部分是由机械振动产生的机械噪声,另一部分是由流场产生的流动噪声。
The most common sources of noise-induced hearing loss include explosions, power tools, music and common machinery.
诱发听力损伤的最常见的噪音源包括爆炸、电动工具、音乐以及常用机械。
Working with loud machinery can cause tinnitus or noise induced hearing loss.
使用噪声大的机器工作会导致耳鸣或噪音性失聪。
When the results of multiple hearing tests were averaged, more than half of the apparent noise induced hearing losses disappeared, a finding consistent with measurement error.
当多组听力测试结果平均下来,超过一半的明显噪音性听力损失(现象)消失了,这一发现验证了(前述的)测量误差的存在。
Electromagnetic absorbing materials with high frequency and high loss are required to absorb the noise energy, aiming at restraining the electromagnetic leak induced by high-frequency emission noise.
为了抑制高频发射噪声引起的电磁波泄漏,就需要开发频率高损耗大的电磁波吸收材料,有效地吸收噪声能量。
Protective equipment or earplugs aren't always appropriate, and right now no drug on the market can prevent or treat noise-induced hearing loss.
保护设备或耳塞不总是有用的,而到目前为止还没有一种上市药物可以预防或治疗噪声所致的失聪。
The phenomenon of noise induced directed transport has attracted much interest in recent years.
近年来噪声诱导定向输运的现象已经引起人们的广泛兴趣。
The interaction noise induced by propeller has constituted the main part of the noise radiated from the medium-speed or high-speed marines.
由螺旋桨引起的互作用噪声构成了船舶中高速航行时整个辐射噪声的重要部分。
Objective To observe the protective effect of low intensity noise (conditioning noise ) on high intensity noise induced hearing loss in guinea pigs.
目的观察低强度实际工作环境噪声对相应的高强度噪声所致听力损伤是否有防护作用。
Conclusion The low intensity noise had some protective effect on high intensity noise induced hearing loss in guinea pigs.
结论低强度实际工作环境噪声对相应的高强度噪声所致豚鼠听力损伤具有一定防护作用。
The shot noise and thermal noise with homodyne demodulation technique is given in this article. And phase noise induced with different time delay is also analyzed.
给出了采用零差解调技术时干涉系统的散粒噪声和热噪声,并且分析了在不同时间延迟情况下的相位噪声。
The model of NCS with multiple-packet transmission is presented considering system noise and network-induced delay longer than one sampling period.
在考虑系统噪声和网络诱导延时大于一个采样周期的情况下,给出了多包传输的网络控制系统模型。
Objective To study the dose response relationship between noise exposure and prevalence of noise induced hearing loss(NIHL)in man aircraft maintenance workers.
目的探讨男性飞机维修人员噪声暴露与噪声性听力损失(NIHL)患病率之间的剂量反应关系。
Occupational health conservationists'main concerns still are chronic or acute poisoning and hearing loss induced by noise.
急慢性职业中毒、噪声性耳聋和尘肺仍是职业卫生工作关注的热点。
Objective To evaluate the effect of tetramethyl pyrazine(TMP)on noise induced hearing loss (NIHL) in hypobaric environment.
目的探讨川芎嗪对低气压及噪声环境下听阈阈移的影响。
Objective:To understand the value of using distortion product of otoacoustic emissions(DPOAE)in monitoring noise induced hearing loss.
目的:了解畸变产物耳声发射(DPOAE)在监测噪声性聋方面的应用价值。
Aimed at the jet noise which is induced by the expand structure and tail tube in the resistant muffler, a finite element model at low Mach number was developed.
针对抗性消声器中扩张结构和尾管引起的射流噪声问题,建立了低马赫数射流噪声有限元分析模型。
Objective To study the effects of fortified iron nutrition on hearing loss induced by steady state white noise.
目的探讨应用强化铁营养对抗稳态噪声致聋作用的可能性。
After color noise as wind load is generated from white noise filter, wind-induced vibration of guyed masts is described as random vibration under white noise excitations.
经过对风荷载这种有色噪声进行白噪声滤波,桅杆结构的风致振动描述为白噪声激励下的随机振动。
Objective To study the protective effect of Buflomedil on noise-induced hearing loss in guinea pigs.
目的观察丁咯地尔对豚鼠噪声性听力损伤的影响。
In some instances full hearing was restored in rats with noise induced hearing loss.
在某些情况下噪音性听力损失的大鼠恢复了全部听力。
Secondly, the model of NCS with single-packet and multiple-packet transmission under considering system noise and network-induced delay longer than one sampling are proposed.
其次,在考虑系统噪声和延时可以大于一个采样周期的情况下,提出了单包传输和多包传输的网络控制系统的模型。
Objective: To study the effect of no in noise-induced deafness.
目的:探讨一氧化氮在噪声性聋发病中的作用。
Results The acoumeter can reduce the proportion and degree of noise-induced hearing loss via test and calibration. and the quick screening part has been inspected for measurement.
结果经过试验与标定,该仪器能降低强噪声引起听力损伤的比例和程度,听力损伤的快速筛查部分通过计量检定。
Objective To investigate the association of cadherin 23 gene (CDH23) polymorphisms with the development of noise induced hearing loss (NIHL).
目的探讨钙粘蛋白23基因(CDH23)多态性与噪声性听力损失之间的关系。
Time of exposure was the main reason for hearing loss induced by noise.
暴露于噪音的时间是引起听力受损的主要原因。
Time of exposure was the main reason for hearing loss induced by noise.
暴露于噪音的时间是引起听力受损的主要原因。
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