目的：探讨铅接触者尿绒毛膜酶活性的变化及其意义。
Objective: To investigate the changes of the activities of urine brush border enzymes in lead exposed workers and their significances.
结论：环境性铅接触与美国居民龋齿发生率增多相关。
Conclusions Environmental lead exposure is associated with an increased prevalence of dental caries in the us population.
结果：不同病例铅峰的高低与铅接触的时间长短、量的多少有关。
Result: it was suggested that the amplitude of Pb correlated with the time and quantity of Pb which patients contacted in such an environment.
文章还进一步探讨了发铅作为铅接触者活体生物检测材料的应用前景。
In addition, the prospect of using the hair lead as a biological monitoring specimen in vivo was also discussed.
目的：观察高浓度铅接触对红细胞形态的影响，并了解其对铅中毒的临床提示价值。
Objective: to observe the change of red blood cell when poisoned by high concentration lead, and determine the value of abnormal erythrocyte to point out clinical significance.
目的了解铅接触对家兔体感诱发电位及感觉神经传导速度、运动神经传导速度的影响。
Objective To explore the effects of lead exposure on somatosensory evoked potential(SEP), motor nervous conduction velocity (MCV) and sense nervous conduction velocity(SCV) in rabbits.
血铅可以真实、合理地反映职业性铅接触引起神经行为、肾功能和血液卟啉代谢改变。
The surveying results by occupational epidemiology indicated that occupational lead exposure led to adverse variations of neurobehavior, renal function and haemal tissue.
就铅接触而言—甚至较低量—持续接触可产生严重影响，如贫血、不舒服和损伤神经系统。
In the case of lead exposure - even at relatively low levels - continuous exposure may have severe effects, such as anaemia, malaise, and damage to the nervous system.
铅可引起一系列广泛的疾病，包括贫血和肝病以及神经紊乱，而食品可能是一个重要的接触途径。
Lead can cause a wide range of disorders, including anaemia and hepatic and neurological disorders and food can be a major route of exposure.
一项研究表明，自来水占人体所接触到的铅的20%。
In one study, tap water accounted for up to 20 percent of human exposure to lead.
在20世纪六、七十年代，每年都有数百名美国儿童因严重的铅中毒入院治疗，都与接触含铅涂料和汽油有关。
During the 1960s and early 1970s, hundreds of American children were hospitalized each year with severe lead poisoning linked to exposure from lead in paint and gasoline.
当美国和欧洲的消费者担心他们的孩子接触中国制造涂铅玩具时，中国的工人，有些只有16岁，面对着更多的有害物质。
And so while American and European consumers worry about exposing their children to Chinese-made toys coated in lead, Chinese workers, often as young as 16, face far more serious hazards.
传统的接触式测量方法很难实现由多个非连续铅垂面形成大平面的平面度的检测。
Its very difficult to achieve the flatness detection of the large flat surface formed with several non-continuous vertical planes with traditional contact measurement.
这样的白镴，也叫做黑金属，因为铅和酸性食物接触容易流失，白镴随着年月会变得很暗。
Such pewter, also called black metal, darkened greatly with AGE, and the lead readily leached out in contact with acidic foods.
目的：建立食品接触材料用胶粘剂样品制备方法和可溶性重金属钡、镉、铬、铅检测方法。
Objective:Graphite furnace atomic absorption spectrometry was established to determine soluble Ba, Cd, Cr and Pb in adhesive for food contact materials.
以KDF为滤料，研究了接触反应时间、滤层高度和滤速对铅和汞去除效果的影响。
In the KDF filter, effect of contact reaction time, filter bed height, and filtering velocity on lead and mercury removal was studied.
结果表明，选择合理的接触反应时间、滤层高度和滤速能有效去除微污染原水中的铅和汞。
The result shows that selection of suitable contact reaction time, filter bed height, and filtering velocity may result in efficient removal of lead and mercury.
该仪器是专为简单的测量开关接触电阻，继电器，插头，连接器，或腿之间的电解铅和电极。
The instrument is specially designed for simplicity in measuring the contact resistance of switch, relay, plug, connector, or between electrolytic lead leg and electrode.
目的研究接触四乙基铅汽油作业人员健康状况，探讨四乙基铅汽油接触者的监护指标。
Objective To study the health state of workers exposed to tetraethyl lead petrol, and to find a surveillant index for them.
方法对某蓄电池厂135名铅作业工人及52名非接触者进行了尿铅含量及尿nag活性测定。
Methods The urinary lead content and urinary NAG activity of 135 lead-exposed workers in one storage battery plant and 52 normal controls were detected.
一些历史学家认为，长期接触铅极大地威胁着罗马人的健康。
Some historians believe that the long- term exposure to lead was a major health risk for the Romans.
根据奥勒冈州卫生科学大学心理学家JoelNigg的结论，这种普遍的的低含量接触使铅成为触发行为异常的理想的候选因素。
According to psychological scientist Joel Nigg of the Oregon Health & Science University, this universal low-level exposure makes lead an ideal candidate for the disorder's trigger.
铅可对神经系统产生显著的毒性作用，尤其是作用于中枢神经系统，引起接触者学习、记忆的缺陷。
Lead can cause an prominent toxic effect on the nervous system and result in the damage of learning and memory among the exposed persons.
如果这些盘子是用作餐具而不是装饰的话，消费者则可能接触到铅。
If these plates are used as dinner plates, and not as decorative plates, then consumers would be exposed to lead.
第三部分，采用彗星试验、微核试验和染色体畸变试验检测和评估职业接触铅人群的遗传损伤效应。
Finally, comet assay, micronucleus and chromosomal aberration test were used to study and estimate the genetic damage effect of lead on occupational exposure workers.
较早前，美国洛杉矶市高等法院也批准了一项类似的关于用户使用或接触含铅及铅化合物化妆品的和解裁决。
A similar consent judgment pertaining to the exposure of lead and lead compounds to users who use or handle cosmetic products was also approved by Los Angeles superior court earlier.
硫磺从溶液中分离电解质和接触铅板，最终会转化为硫酸铅晶体。
Sulphur in the solution separates from the electrolyte and attaches to the lead plates and eventually gets converted into lead sulphuric crystals.
硫磺从溶液中分离电解质和接触铅板，最终会转化为硫酸铅晶体。
Sulphur in the solution separates from the electrolyte and attaches to the lead plates and eventually gets converted into lead sulphuric crystals.
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