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- Investigation and analysis on lead pollution caused by a township lead smeltery. 中国工业。某乡镇铅冶炼厂铅污染调查分析。
- The main source of lead pollution and the preventive method of child lead poisoning were discussed. 讨论了铅污染的主要来源,并进行了儿童铅中毒的预防对策研究。
- This product have remarkable results on preventing the lead pollution and improving the environment of patenting treatment. 该产品在防治污染,改善铅淬火的生产环境方面具有明显效果。
- Using potted trial, the soil heavy metal lead pollution influences on maize plant growth were studied under lime ameliorant condition. 摘要采用盆栽试验,研究了在施用石灰改良的条件下,土壤重金属铅污染对玉米生长的影响。
- The lime control effects are represent on plant high, leaves area, root cubage and others for maize plant growth influenced by heavy metal lead, and the differences are prominent between meliorative treatment and single lead pollution treatment. 石灰对重金属铅影响玉米生长的抑制效应表现在株高、叶面积、根容积等,改良处理与单一铅污染的处理差异显著。
- Results showed that,lead exposure in environment was wildly distributed,lead pollution in environment and its impact on children health and kid intelligence quotient was serious in city. 结果表明,我国城市环境中铅暴露普遍,污染严重,已经严重影响儿童的身体健康和智力发育。
- A review on research of lead pollution in tea 茶叶中铅含量现状及研究动态
- Objective To explore the effect of antenatal and postnatal lead exposure on infants physical development in lead polluting area. 摘要目的了解环境铅污染区婴幼儿出生前后铅暴露对其体格发育的影响。
- The Problem of Lead Pollution in Tea Leaves 茶叶中的铅污染问题
- health effects of lead pollution 铅污染对健康的影响
- the characteristics of lead pollution Pb污染特征
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- Excessive patriotism can lead to xenophobia. 爱国主义过了头即可导致仇视一切外国人。
- Lead aprons shield people from radiation. 铅做的工作裙可使人免进辐射。
- Graphite is used in making lead pencils. 石墨常被用来做成铅笔。
- Lead will fuse at quite a low temperature. 铅会在相当低的温度下熔化。
- The team recovered its lead in the second half. 该队在下半场重新领先。
- In order to assess indicating function of Ischnura elegans in lead polluted water, we collected samples (each sample contains 9 individuals male & female adults) three times from the East Lake of Qingxu county and a fish-pond in Taiyuan in May? 为确定长叶异痣对水体铅污染的指示作用,于2000年5月、7月和8月3次在太原市清徐县东湖及鱼塘采集长叶异痣(成虫)样品(每个样品含9个个体)及水样,进行分析研究。