Objective:To understand the fundamental state of noise exposure and hearing loss of rolling steel workers,analyze and appraise them,investigate the important contribution of knowledge,attiude and practice of workers for their hearing protection, provide theory instructions for the prevention and cure of occupational noise and noise-induced deafness.
目的了解轧钢工人噪声暴露与听力损失的基本情况,对其进行分析与评价,并探讨工人的知识、态度、行为对听力保护的重要作用,为职业性噪声以及噪声性耳聋的防治提供理论指导。
Based on the distribution of H2S in the cochlea and its effect on angiotasis regulation, plus the pivotal role that microcirculation played in noise-induced hearing loss, we observed the expression and distribution of cystathionine-γ-lyase (CSE), a H2S synthetase in mammalian, in adult rat cochlea before and after noise exposure.
噪声暴露采用32只SD大鼠,随机分成4组:正常对照组、1天组、1周组、3周组,后3组分别暴露于110 dB SPL宽带白噪声中。
According to statistic for quantity of domestic textile industry workers,length of service and survey for noise of local company,the situation of noise exposure and employees\' hearing loss were predictied base on ISO1999-1975 (E) and other related methods of prediction.
通过对国内纺织业从业人员数量、工龄的统计和企业实地噪声情况的调查,借鉴ISO1999-1975(E)和其它相关方法预测我国纺织行业噪声暴露情况和从业人员的听力损失情况。
At the same time,the support of design theory and data for estimating warship s acoustical performance and developing low noise propeller can be obtained from the noise prediction The predicting method of radial noise of propeller including the trial study and theory method was introduced in this paper.
本文通过对螺旋桨噪声预报文献的归纳整理,把螺旋桨噪声的预报方法分成试验研究和理论预报两种方式分别进行介绍,并对今后螺旋桨噪声预报方法的研究方向提出了一定的看法。
The noise prediction mechanism using Lighthill’s Acoustic Analogy was deduced in detail.
构造了声模拟理论和CFD方法相结合的算法;详细推导了Lighthill声模拟理论噪声预报的原理;用Reynold平均法采用k-ε模型对水下自由射流场进行数值模拟,并以此作为近场声源;随后,运用Lighthill声模拟理论对远场噪声进行预估,并分析自由射流场声辐射机理。
Cumulative noise exposure (CNE) were used to represent the actual exposure level of the workers.
方法 用横断面流行病学方法 ,选取 43 8名噪声作业工人进行调查 ;用Westernblot免疫印迹法测定其血浆HSP70抗体滴度 ;用累积噪声暴露量 (CNE)评价工人实际噪声暴露。
Cumulative noise exposure(CNE)was used to represent the actual exposure level of the workers.
方法选取706例作业工人进行调查,用累积噪声暴露量(CNE)评价噪声暴露;测定血清中甘油三酯和总胆固醇。
Cumulative noise exposure (CNE) was used to indicate the actual exposure level of the workers.
方法选取706名汽车制造工人进行调查,用累积噪声暴露量(CNE)来评价工人的噪声暴露。
[Results]The result showed that the textile workers exposed to continuous noise,and the mechanical manufacture workers exposed to non-continuous noise.
[目的]观察和比较接触稳态噪声和非稳态噪声工人个体之间、工作日之间个体噪声暴露的特点和规律。
Acoustics - Determination of occupational noise exposure and estimation of noise-induced hearing impairment???
声学－－职业性噪声暴露测定和噪声听力损伤估算
The Relationship between the Short-time Noise Exposure and Elements of Performance;
短期噪声暴露与工作能力要素的关系
Effects of white-noise on heart function of guinea pig
白噪声暴露致豚鼠心脏功能损伤作用
Hearing Survey on The Group with Occupational Noise Exposure in Miyun Area
密云地区职业噪声暴露人群听力调查
Analysis on the personal noise exposure in an outdoor iron mine factory
某露天开采铁矿厂个体噪声暴露测量结果分析
Effects of exposure to intense noise on acute and chronic injury of gastric mucosa in rats
强噪声暴露对大鼠急慢性胃粘膜损伤的影响
Analysis of Noise Endangers Level in Three Types Platforms of Urban Rail Transit
城市轨道交通3类站台的噪声暴露水平分析
The pathological change of cochlear hair cell after exposure to intensive noise
强噪声暴露后耳蜗毛细胞的病理形态变化
Prediction on exposure status and hearing loss of spinning noise in China
我国纺织噪声暴露现状及听力损失情况预测
Signal pathway associated with hair cell death in cochlea following exposure to intense impulse noise
强脉冲噪声暴露后耳蜗毛细胞死亡的信号通路
A study on the spontaneous EEG power spectrum versus occupational noise exposure epiieptic and eoncussion of the brain
自发脑电功率谱与噪声暴露、癫痫和脑震荡关系的研究
Experimental Study of Apoptosis and the Related Mechanisms in Cochlea of Rats after Noise Exposure;
噪声暴露致大鼠耳蜗细胞凋亡及相关机制的实验研究
Study of Interaction between Smoking and Occupational Noise Exposure on Hearing Loss;
吸烟与职业噪声暴露对听力损失交互作用的分析
Combined Effect of Smoking and Occupational Exposure to Noise on Hearing Loss;
职业噪声暴露与吸烟联合作用对听力影响的研究进展
Dose-response relationship between noise and hypertension in airport ground crew;
机场地勤人员噪声暴露与高血压患病率的剂量-反应关系
Investigigations on Noise Exposure and Hearing Loss of Rolling Steel Workers in Iron and Steel Company
某钢铁公司轧钢工人噪声暴露与听力损失的调查
EFFECTS OF NOISE EXPOSURE ON EVENT-RELATED POTENTIAL P300 AND MECHANISM IN HIPPOCAMPUS OF RATS
噪声暴露对大鼠事件相关电位P300的影响及其海马水平的机制
Consecative 3 Years Investigation on Hearing Loss Among Workers in Noise Exposure Workshop of An Electrolytic Aluminum Enterprise
某电解铝企业综合车间噪声暴露作业人员连续3年听力损伤调查