lead content

基本解释

Lead-bismuth alloys with Bi content from 0 to 7.33% are prepared.
制备了铋含量为0~7.33%（质量百分数）的铅铋合金。
In the rocks of Huanhe formation, there are gypsum bed, thereby lead content of SO42- increased, and the water quality much poor than Luohe formation.
由于环河组岩层中含有石膏层，导致SO42-含量增高，水质较洛河组差；
This paper probes into the influences of the basin hot brines on organic matter in Shiling of Fankou lead-zinc deposit by analysis of TOC content, GC and GC-MS content from walk-rock and ores.
通过对狮岭矿段石炭纪和泥盆纪地层的围岩和矿体的样品进行TOC、GC和GC-MS等实验分析，探讨了盆地热卤水对该矿段有机质的影响。

The United States has restricted lead content in paint since nineteen seventy-eight.

Furthermore, we expect YouTube will continue to expand its index of content to include short-form premium, professionally-created, content that can lead to improved profitability for the site.
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Adding to the malaise, the price of piston-engine fuel with low lead content shot skyward stoked by environmental concerns.
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My experience with video through CollegeHumor had taught me that hosting user-generated content without a filter would lead to inevitable legal trouble with the big media companies.
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铅含量
Lead content and precipitation in the study of lead content is accumulated principle applied to the basis of practice.
铅含量与年降水量关系的研究是植物铅含量累积原理应用于实践的基础。
含铅量