有毒元素

ICP发射光谱分析食品和药物中的有毒元素

Analysis of Toxic Elements in Foodstuffs and Pharmaceuticals by ICP Emission Spectroscopy

而ZnO量子点具有优良的荧光性能，原料廉价易得，并且不含有毒元素。

However , the ZnO quantum dots have excellent fluorescent properties , cheap materials and not contain toxic elements .

合金主要特点如下：（1）合金不含Ni、cd、Be等有毒元素，生物安全性良好。

The properties of the alloy are as follows : ( 1 ) The alloy has nontoxic metallic elements which satisfy the required biological conditions .

Cd属于积蓄性有毒元素，引起慢性中毒的潜伏期可达10~30年之久。

Cadmium is an cumulative toxic element , which could result in chronic poisoning with an incubation period of as long as 10 ~ 30 years .

加之有毒元素Al在冷杉体内富集，抑制了冷杉对营养元素Ca、Mg等的吸收，导致冷杉秃顶及衰亡。

In addition , aluminum became rich in fir root , it inhibited fir root to absorb nutrients , such as Ca , Mg etc , therefore caused dieback or death of fir .

但Pb是一种有毒元素，对人类健康造成严重威胁，于是世界各国纷纷立法限制含铅材料的使用。

However , lead is a toxic element , which is harmful to human health . Laws and legislations in many countries have been established to restrict the use of lead-containing materials .

锑（Sb）是自然界存在的一种有毒元素，作为重要的战略资源，锑被广泛应用于刹车片、阻燃剂、医药等行业。

The security situation of water quality becomes worse . Antimony ( Sb ) is a naturally occurring toxic elements , as an important strategic resource , antimony is widely used in brake pads , flame retardants , pharmaceutical and other industries .

结果显示，脉通中含有丰富的宏量元素K，Ca，Mg和有益的微量元素Cu，Zn，Fe等元素，有毒元素Cd和Pb的含量较低。

The results showed that there are rich grand element such as K , Ca and Mg , and the profitable element such as trace element Cu , Zn and Fe etc in Maitong . The contents of poisonous elements ( Cd and Pb ) is low comparatively .

电炉炉尘中富含Fe、Zn、Pb等元素，简单地将这些粉尘倾倒野外或填埋处理，由于粉尘中Pb、Cr等有毒元素会被雨水浸出，严重污染水土资源。

The dusts generated from electric arc furnace ( EAF ) offgas contain abundant metallic elements such as Fe , Zn and Pb , etc. Simply disposing or land-filling the EAF dusts could result in serious environment pollution because of leaching of the toxic elements such as Pb , Cr.

本文介绍了北京远郊区县怀柔、平谷、顺义、密云等几个规划绿色食品〔1〕开发基地土壤中pb、Cd、Hg、Hg、F等有毒元素的测定结果及其评价。

The paper presents the contents of several toxic elements , such as Ph , Cd , Hg , As and F in soil of development regions of green food in Huairou , Pinggu , Shunyi and Miyun counties in Beijing suburbs and make a analysis of thes results .

利用AAS分析技术，对试样分解方法、共存元素干扰、仪器分析参数等因素的研究，确定最佳分析条件，建立了连续测定瓦楞纸板中铅、镉、铬有害、有毒元素的分析方法。

A method for the determination of Cd , Cr and Pb in Corrugated boards was proposed . the analytical lines of determined elements , The operation parameters by AAS , the digestion of samples , the influence of coexisting elements were studied in detail .

本文首次利用氢化物发生原子荧光光谱法（HG-AFS）测定了四川安岳恐龙骨骼化石及其围岩中的微量有毒元素砷、锑、铋、汞、硒、碲和铅。

Hydride generation atomic fluorescence spectrometry was for the first time utilized to determine trace toxic elements , arsenic , antimony , bismuth , mercury , selenium , tellurium and lead , in the skeleton fossil of a dinosaur and its adjoining rock unearthed in Sichuan Province .

铁基超导中的FeSe超导材料由于结构简单、制备容易，且不含有毒元素，成为研究铁基超导机理的最佳体系，同时也为研究超导机制提供了新的思路。

The FeSe superconductor , one of the iron-based superconductors , is the best candidate to study the mechanism of iron-based superconductor due to its simple structure , easy preparation and non-toxic , providing a new way of studying the mechanism of superconductivity as well .

光谱分析在痕量有毒元素分析中的应用

Application of Spectroscopic Techniques to the Determination of Trace Toxic Elements

土壤有毒元素镉污染修复方法探讨

Discussions on restoring method of cadmium pollution in soil poisonous elements

越流含水层系统地下水有毒元素污染数值模拟&以太原盆地地下水汞污染为例

Numerical Simulation for Poisonous Elements Pollution of Groundwater in Leaky Aquifer System

砷是一种有毒元素，天然存在于一些土壤和水中。

Arsenic is a toxic element found naturally in some soils and water .

微库仑法分析痕量氯影响因素的探索光谱分析在痕量有毒元素分析中的应用

The Research on the Main Factors Influencing the Analysis of Trace Chlorine Using Micro-coulometry

全血中4种有毒元素微波消解电感耦合等离子体质谱测定

Determination of 4 poisonous elements in whole blood by microwave digestion-coupled plasma mass spectrometry

两种土壤中五种有毒元素的研究

The Variable Regularity of Five Toxic Elements

锑是环境中微量但普遍存在的有毒元素。

Antimony ( Sb ) is a toxic trace element , and ubiquitous in the nature .

元素微量快速分析原子光谱法测定恐龙化石中的微量有毒元素

Rapid Method for Organic Microanalysis Determination of Trace Toxic Elements in Dinosaur Skeleton Fossils by Atomic Spectrometry

中草药中痕量有毒元素和食品中营养元素的氢化物原子荧光光谱分析研究

Determination of Trace Toxic Elements in Chinese Herbal Medicine and Nutrient Elements in Food by Hydride Generation Atomic Fluorescence Spectrometry

有毒元素或化合物，如汞或焚烧过程中释放的二恶英所导致的中毒和污染。

Poisoning and pollution by toxic elements or compounds , such as mercury or dioxins that are released during incineration .

硒是营养元素还是有毒元素与其浓度和进入生物体的化学形式有关。

Se is a nutritional or toxic element depending on the concentration and chemical form in which it enters the organism .

通过定点观测、实地试验等方法，得出植被恢复对矸石山土壤改良效益显著，特别是对土壤中的有毒元素具有净化作用。

The result is that soil improved effects of re-vegetation in coal waste piles are obvious , especially purifying poisonous elements .

本文综述了近些年来提出的五种中毒说，诸如植物生物碱中毒说、有毒元素中毒说、有毒气体中毒说、放射性铱元素中毒说以及缺乏解毒功能说。

Such as plant alkaloids poisoning , toxic element poisoning , poison gas poisoning , Iridium poisoning and detoxify is deficient in body .

通过现代仪器分析方法，检测了红须麦雌花原料及其浸提液中微量无机元素及痕量有毒元素的含量。

The elements contents of Maize Tassel and its maceration extract were determined through using methods of modern instrument analysis in this paper .

饮用水中有机物与有毒元素含量是单向限值，在小于限值的前提下越低越好；

The organic chemical and toxic element content in drinking water should be the mono-limited value . The better the lower of its content .

本文首次报道福建境域湖泊沉积物中有毒元素含量的变化。

For the first time , this paper reports the variations of contents of noxious elements from sediments in the lakes of Fujian Province .