lead content的例句大全

Content of heavy metals lead ( Pb) and arsenic ( As) in cigarette flavors were determined by atomic absorption spectrometry ( AAS) with wet digestion.

运用湿法消解-石墨炉原子吸收光谱法，定量检测烟用香精中重金属铅和砷。

The content of the lead in cosmetic was determined by using the blazing atomy absorbed spectrum, and the samples'pretreatment and experimental conditions were studied.

用火焰原子吸收光谱测定化妆品中铅，并对样品前处理，试验条件等进行了研究。

Effects of Lead Contamination on the Growth and Content of Mineral Elements of Amaranthus tricolor

土壤铅污染对苋菜生长和矿质元素含量的影响

Useful minerals of fine particles, distribution of tightness, and lots detrimental impurities lead to high content of fine particles and argillization, which deteriorate the separation environment and disturb the floatation process.

胶磷矿中有用矿物颗粒细、矿物嵌布紧密、有害杂质较多，导致浮选入料微细粒含量高、泥化程度高，恶化了分选环境，使浮选过程受到干扰。

The high cellulose content and low lignin content of the substitute lead to the high digestion coefficient, especially ruminants, as there is no negative effect which corny amylum inhibits rumen to degrade cellulose.

大豆皮的纤维含量高，但木质素含量低，因而消化率较高，尤其是对于反刍动物，大豆皮不存在淀粉类谷物抑制瘤胃纤维降解的负互作效应。

The content of lead is high in the current low-melting sealing glass.

当前使用的 低熔 封接玻璃中氧化铅的含量高,对环境的污染严重.

The factors mainly include soil acidifying, higher organic matter content in the soil, lead of precipitum in the air and the processing of the tea leaves in the factory.

这些来源主要包括：茶园土壤酸化和较高的有机质含量，大气沉降物中的铅和茶叶的加工过程。

The uncertain purpose and sluggish teaching method and old content of Pedagogy lead to be tired of students.

教育学课堂教学面临培养目标的不确定性、教学内容和方法的滞后性，导致学生厌学。

The fluorine content of tea was significantly higher. So tea over-drinking will lead to fluorosis, but there was no close relation between the fluorosis and the taking of the rest three kinds.

上述四种嗜好物品除茶叶含氟量高，饮茶过量会引起氟中毒外，其余三种与氟中毒关系不大。

The content of lead in the tealeaf is one of important guild line scaling the status of the tealeaf's sanitation by it.

茶叶中铅的含量是衡量茶叶卫生状况的重要指标之一。

Determination of High Antimony Content in Lead Tin-Base Alloy by Differential Absorption Spectrophotometry

差示吸光光度法测定铅锡基合金中锑

Research on lead isotope geochemistry is an important content of research on lead-zinc de-posits.

铅同位素地球化学研究是铅锌矿床研究的重要内容之一。

( 4) will new technology and the new content in modern mathematics lead into mathematics course in.

将现代数学中新的内容和新的技术引入数学课程之中。

the moisture content and the temperature when unsealing are also the important factors that lead the quality change of rice after unsealing.

而大米的水分含量和启封时的温度是CO2气调储藏启封后品质变化的重要因素。

the moisture content and the temperature when unsealing are also the important factors that lead the quality change of rice after unsealing.

而大米的水分含量和启封时的温度是CO2气调储藏启封后品质变化的重要因素。

Effectes of carbon content on Microstructure and mechanical properties of spheroidal graphite cast iron containing arsenic, tin, lead and titanium

碳量对含砷锡铅钛球墨铸铁组织与力学性能的影响

The results showed that the components of two kinds powders were same, but the PbO content in 1# powders were greater than that in 2# powders. And there was difference in ordinary performance and micro performance between the two kinds of lead powders.

测试结果表明，两种铅粉组成成分都为PbO和Pb，1铅粉的PbO含量多于2铅粉，且其常规性能和微观性能方面也存在着一定的差异。

Investigation of the blood lead and blood cadmium content in normal crowd in Hefei

合肥地区282例居民血铅血镉含量调查

Content of Lead in Oil Paints by FAAS

火焰原子吸收法测定油画颜料中铅含量

The closer to the downtown, the higher content of Lead presented in tea leaf.

距居民区的距离越近，茶叶铅含量越高。