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- Toxic heavy element 有毒有害元素
- Cadmium(Cd)is one of toxic heavy metals,which represents as potential threat to human health. 镉是毒性最强的重金属之一,对人体健康具有潜在危害。
- It's a heavy element produced in thermonuclear explosions of supernovae. 这是一个重元素,产生于超新星的热核爆炸。
- The essential micronutrients to plants and phytotoxicity of toxic heavy metals are not related merely to the total concentrations but depend on their availability in soils. 摘要土壤中植物必需的微量营养元素的供给以及有害元素的毒性大小并不仅仅与元素的总量有关,而取决于元素的有效性。
- Importers must submit documents showing absence of western drugs, and test results of toxic heavy metals and microbial contents for every consignment of CPM imported. 中成药进口商必须在每批中成药产品进口时,呈交书面证明保证产品不含有西药,以及有毒重金属和卫生学检验报告。
- For example, in a triphenylphosphine complex of a heavy element, the light atoms will be less well determined from the X-ray data than the heavy atoms. 例如在含有重元素的三苯基膦的配合物中,轻原子可能不能被很好的确定出来。
- If the fluid inside our nerves thickens due to dehydration‚ or is contaminated with synthetic chemicals or toxic heavy metals like lead‚ the vital signals can get distorted. 如果我们的神经内流体变厚由于脱水,或有污染的合成化学品或有毒重金属如铅,至关重要的信号可以扭曲。
- It’s a very heavy element, which makes it difficult for many people to wear.It has to be forced into the pores (hence the buffing technique) otherwise it is capable of sliding off the wearer’s face. 铋是一种重金属元素,这让很多人都不太愿意接受,因为它会进入毛孔(加强抛光技术)要不然它很容易从脸上脱落。
- To prevent the heavy element blowoff from the cavity wall into the cavity, an approach making use of getting low Z material filled in the cavity is investigated by analytical method. 简化模型给出的物理图象清楚显示,该方法是一种好的设计思想。
- Conditions are then suitable for the formation of heavier elements. 这样的情况适于形成较重的元素。
- Petitjean and Scannapieco are working together on the clustering of heavy elements observed in quasar spectra. 佩提特金与史坎纳皮科正合作探讨类星体光谱中观测到的重元素群集现象。
- Scannapieco and Petitjean are working together on the clustering of heavy elements observed in quasar spectra. 史坎纳皮科与佩提特金正合作探讨类星体光谱中观测到的重元素群集现象。
- The large number of radioactive isotopes among the heavy elements fit into three series. 重元素中的大量放射性同位素分属于三个系列。
- The factory had been sending out toxic fumes. 这家工厂一直在排放有毒的废气。
- These heavy elements then get spread out over a large area and recollapse, forming new stars and planets. 校友中有4位诺贝尔奖得主、多位奥斯卡金像奖得主,以及许多艺术名家、成功企业家和杰出的作家。
- The team's measurement of thorium revealed the overall abundance pattern of heavy elements for this object. 该队的测量发现钍的总体格局丰富的重元素;为这个目的.
- Another goal is to investigate the chemistry of heavy elements, says Nancy Stoyer of the US team. 他说:“主动权现在被牢牢掌握在理论家的手中。
- Figure 1: This chart shows the heaviest elements and their atomic makeup. 图1:这个图表显示的重元素和碳原子构成.
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- Moreover, heat energy generated during decay of heavy elements like uranium at the centre of the Earth triggers tectonic movement. 还有,地球核心内如铀等的重元素在衰变时产生热能,驱动地壳板块运动。