Doctors believe that heredity and chronic exposure to loud noises are the main factors that contribute to hearing loss.
医生们认为遗传因素和长期处于高分贝的嘈杂环境是导致失聪的主要因素。
That is the difference between acute and chronic exposure, and it is a difference most people understand.
这就是急性暴露和慢性暴露的区别，大多数人都能理解这两者的不同之处。
Experiments have shown there to be no harmful effects from chronic exposure to acetylene at high concentrations.
实验显示慢性接触高浓度乙炔没有有害影响。
Many of these researchers already have documented the link between chronic exposure to polluted air and high blood pressure, diabetes and obesity.
许多研究者已经记录了长期曝露于污染空气与高血压、糖尿病和肥胖的关系。
It suggests chronic exposure to mercury vapor may cause adverse effects on Sertoli's cells of spermatogenic epithelium and seminal vesicle function.
提示长期接触汞蒸气可能对男工生精上皮的支持细胞及精囊功能产生不良影响。
It has been reported that chronic exposure to benzene leaded to the reduction of blood cells, bone marrow suppression, even aplastic anemia and leukemia.
长期接触苯可引起骨髓细胞毒性，引起外周血细胞减少、再生障碍性贫血甚至白血病等多种造血系统功能紊乱。
The neurasthenia and lower serum albumin in workers were due to the bad ventilation in the laundries and the chronic exposure of workers to tetrachloroethylene.
部分干洗房容积偏小，通风不良，作业工人长期接触四氯乙烯可能引起神经衰弱及肝功能损害。
Acetylene is a simple asphyxiant and anesthetic. Experiments have shown there to be no harmful effects from chronic exposure to acetylene at high concentrations.
乙炔是简单的窒息物和麻醉剂。实验显示慢性接触高浓度乙炔没有有害影响。
"But it's not yet clear if there is a cause-and-effect relationship between chronic exposure to low-grade inflammation and the onset of insulin resistance," he explained.
他解释说，“但是此前还不清楚长期暴露在低水平炎症之下与胰岛素抵抗之间的因果关系。”
Unborn children are also at risk. Studies show chronic exposure to high levels of particulate matter is associated with high rates of fetal loss, premature births and lower birthrates.
未出生的胎儿也受到空气污染的威胁。多项研究表明，长期处于颗粒物浓度较高的环境中会提高流产、早产和生育率下降的几率。
OBJECTIVE: To investigate the alterative rules of PKC activity in the brain tissue of rat in development stage under chronic exposure of Pb and its effects on the memory development of the mice.
目的：研究慢性铅暴露下发育期小鼠大脑组织PK C活性变化规律及其对小鼠记忆发育的影响。
Chronic exposure of animals to dioxins has resulted in several types of cancer.
动物慢性接触二恶英已导致几种类型的癌症。
Chronic exposure to benzene mixture, the pathogenesis of aplastic anemia rate is higher, and can cause leukemia.
长期接触苯系混合物的人，再生障碍性贫血发病率较高，并能引起白血病。
Chronic exposure to more than 65 micrograms per cubic meter of any type of particle in this size range may increase risk for health problems.
长期暴露在含有超过65微克每立方米的任何颗粒的空气中，都会增加健康隐患。
Chronic exposure to carbon monoxide and volatile organic compounds has been linked to an increased risk of heart disease, stroke, liver and brain damage, and even cancer.
长期接触一氧化碳和挥发性有机化合物可能会增加心脏病、中风、肝脑损伤和癌症的风险。
Chronic exposure to Cd mainly causes the renal proximal tubule damage, which represents that the excretion of proteinuria, glucosuria, aminoaciduria, enzymaticuria and urinary cadmium increase.
慢性接触镉主要引起肾小管损伤，表现为蛋白尿、糖尿、氨基酸尿、酶尿及尿镉排出量明显增加等。
Chronic exposure to Cd mainly causes the renal proximal tubule damage, which represents that the excretion of proteinuria, glucosuria, aminoaciduria, enzymaticuria and urinary cadmium increase.
慢性接触镉主要引起肾小管损伤，表现为蛋白尿、糖尿、氨基酸尿、酶尿及尿镉排出量明显增加等。
应用推荐