血铅值约200同智商下降8点相联系。
Blood levels of about 200 are associated with an eight-point drop in IQ.
她的血铅值在261，比安全标准值的两倍还多。
Her blood has lead levels of 261 — more than double the standards for safety.
工厂对工人验血，辞掉那些血铅含量超标的人。
The factory conducted blood tests and dismissed those whose lead levels were elevated.
不同的血铅水准对儿童健康的风险有别，以下数值单位为微克每升。
Health risks in children at various blood lead levels, in micrograms per liter.
相比之下，美国只有不足1%的儿童，其血铅含量超过WHO限制值。
By comparison, fewer than 1% of children in the U.S. have levels above the WHO limit.
目的：探讨儿童行为异常与血铅的关系。
Objective: To learn the relationship between the abnormal behavior and blood lead level in children.
新生儿；血铅；影响因素。
目的探讨儿科门诊常见症状与血铅的关系。
Objective to explore the relationship between blood lead and general symptoms in pediatric clinic.
调查内容主要包括人群健康问卷和血铅检测。
The investigation included questionnaire and the detection of blood lead.
结论：本实验中对血铅检测条件的优化合理。
Conclusion: The improved measuring conditions for detection of blood pb are reasonable.
目的：了解乌鲁木齐市不同民族儿童血铅、镉水平。
Objective: To study the blood lead and blood cadmium level of Urumqi different ethnic children.
目的了解铅通过母体对生长发育期仔代血铅的影响。
Objective To study the effect of maternal lead exposure on the concentration of blood lead in offspring during growth and development periods.
目的探讨生长迟缓儿血铅水平现状及其相关的影响因素。
Objective To investigate the current status and affected ingredients of the blood lead level in delayed growth infants.
目的探讨慢性铅中毒幼鼠血铅、锌、铜、铁、钙水平变化。
Objective To investigate the changes of lead, zinc, copper, iron and calcium in blood of chronic poisoned infantal mice.
癌症死亡的危险性在我们的研究观察的血铅水平上没有增加。
The risk of death from cancer did not increase at the blood lead levels that our study investigated.
结论深圳市儿童血铅水平处于低水平，但仍需加强血铅控制。
Conclusion the lead levels in venous blood of children in Shenzhen were lower, but control of blood lead should still be strengthened.
母亲年龄、孕期健康状况是新生儿血铅水平的主要影响因素。
Both age and health conditions of pregnant women were the important factors affecting Lls level in newborn's blood.
目的观察血铅和尿铅含量与急性四乙基铅中毒程度之间的关系。
To observe the relationship between lead content in blood and urine and acute tetraethyl lead poisoning.
研究者称该研究对当前信奉的人群血铅水平的安全值产生质疑。
Researchers said the study questions the current belief about what lead levels are safe in the population.
前言：目的：探讨遗传易感性及家庭因素对儿童血铅浓度的影响。
Objective: to discuss the influence of the hereditary and family factor on children blood lead concentration.
随着唾液铅排出量的增加，血铅、尿铅的阳性检出率有增高趋势。
There was a tendency that as the levels of saliva lead increased, the positive rates of detection in blood lead and urine lead increased.
目的：检测学习困难儿童的血铅水平，以分析儿童智力与血铅的关系。
Objective: to test lead level in blood of children with learning difficulty to investigate the relationship of children's intelligence and lead level in blood.
研究表明，血铅含量略高于这一水准都会导致永久性的神经损伤与智商下降。
Studies show even slightly elevated lead levels can lead to permanent neurological damage and reduced IQ.
方法：用石墨炉原子吸收光谱法对1148名儿童进行静脉血血铅检测。
Methods: 1148 children's venous blood lead was detected by the method of graphite furnace atom absorbance spectrum.
只因为人的血铅含量下降并不意味着他们真正安全或者远离了铅的困扰。
Just because someone's blood lead level has dropped down doesn't mean they are necessarily safe or free from these concerns.
结论：张家口地区儿童血铅整体水平不高，但应注意纠正儿童的不良习惯。
Conclusion: the average blood lead level in Zhangjiakou District isn't high, but the bad habits must be corrected.
母亲血铅、文化程度、职业以及某些环境因素与新生儿血铅水平有相关性。
Mother 's blood lead, cultural degree, occupation and some environmental factors had relativity with newborn blood lead level.
血铅超标对消化、神经、生殖系统都有严重影响，同时可引发胃痛、贫血和痉挛。
Excessive amounts of lead in the blood can cause damage to the digestive, nervous and reproductive systems, and also stomach aches, anaemia and convulsions.
结果：新生儿脐血铅含量与神经行为总分及行为能力评分间存在负相关关系。
Results revealed that there was a negative relationship between neonatal umbilical blood lead level and their neurobehavioral score and behavioral ability.
目的：研究9 ~11岁儿童血铅含量和营养状况对儿童生长发育的影响。
Objective: To study the effects of lead content in blood and nutrition status on 9 ~ 11 years old children for their growth and development.
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