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- There will always be a small amount of lead contamination from the refining process of tin. 在锡的精炼工艺中总是会导致少量的铅污染。
- Typically solder tears can be observed when using lead-free solder SAC alloy, particularly in wave soldering and with lead contamination present. 在使用无铅焊料SAC合金时,尤其是在进行波峰焊接并存在铅污染时,一般能够观察到焊料开裂。
- A review with 15 references is given on the factors result in lead contamination in tea leaves based on the related researches of recent years. 摘要根据近年来国内外对茶叶铅污染研究的相关报道，综述了茶叶中铅污染的主要来源。
- It also puts forward some ways to prevent or alleviate the lead contamination in tea leaves according to the factors resting in lead contamination. 还根据各种茶叶铅污染来源的特征，有针对性地提出了一些防治措施。
- From a funny taste to lead contamination from aging pipes, your tap water may have picked up some unsavory additions along the way. 自来水留至你家一路上可能带来一些讨厌的附加物，从喝起来很奇怪到带有老旧的水管中的污染物都有可能。
- A review with 20 references is given on the general status of lead contamination in tea leaves and points out that lead superscale is a severe problem in our country at present. 介绍了我国茶叶中铅污染的大致情况,指出我国茶叶中的铅超标问题是一个不争的事实。
- Nationally, temporary relocations for lead contamination and other environmental problems are not infrequent, although having to move so large a portion of a small town is rare, particularly when, as in Herculaneum, the danger was so long suspected. 在全国范围内，尽管搬迁一个小镇上如此多的人的例子比较罕见，但因为清除铅污染运动和其他环境原因暂时搬迁居民的情况却并不鲜见。 特别是在赫丘莱尼厄姆镇，铅污染的危险早已被认识到了。
- The results were as follows:1 Under the stress of cadmium and lead contamination, leaves appeared chlorosis system, Cd~2+ treatment was the most obvious, the system of Acer mandshurica Max. and Lonicera maackii Max. 1 镉铅污染胁迫下,叶片出现失绿症状,以含镉处理最为明显,苗木中以白牛槭和金银忍冬最为突出。
- Survey of lead contamination in some food in Puyang 濮阳市部分食品中铅含量调查
- The minor lead would be found in lead-free solder rods after using them, then it makes the lead contaminant for the electronic components. 在无铅焊锡棒材上使用后都会发现含有少量的铅，而后会对对其电子元件造成铅污染。
- The Problem of Lead Contamination and Its Source in Tea Leaves 茶叶的铅污染问题及铅污染的来源
- Environmental Lead Contamination and Refractory Rickets 环境铅污染与难治性佝偻病
- 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。
- Source of lead contamination and its harm to children 环境铅污染的来源及对儿童的危害
- Excessive patriotism can lead to xenophobia. 爱国主义过了头即可导致仇视一切外国人。
- Affects of Non-Edaphic Factors on Lead Contamination in Tea Leaf 非土壤因素对茶叶铅污染的影响
- 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。
