您要查找的是不是:
- Determining trace impurity element of the standard europium oxide by the standard addition method.So the errors owing to neglecting the impurity in the standard are eliminated. 用标准加入法测出氧化铕基准中的微量杂质元素,消除了由于忽略基准中的杂质元素的含量给分析测定带来的误差。
- Keywords high purity silver;trace impurity element;inductively coupled plasma atomic emission spectrometry; 高纯银;微量元素;电感耦合等离子体原子发射光谱法;
- Spectral Determination of Trace Impurity Elements in Ti and Its Alloys 光谱法测定钛及钛合金中的微量杂质元素
- trace impurity element 微量元素
- THE STUDY DETERMINATION OF 18 TRACE IMPURITY ELEMENTS IN NUCLEAR-PURITY GRAPHITE BY USN-ICP/AES 核纯石墨中微量杂质元素ICP/AES法测定的研究
- A method was developed for the determination of trace impurity affecting ultraviolet transmittance in ethylene glycol. 建立了测定乙二醇中影响紫外透光率的痕量杂质的方法。
- In this work,an on -line sweeping technique for the determination of trace impurity in nateglinide by using SDS buffer solu tion was developed. 利用在线推扫富集技术建立了毛细管电色谱测定新药那格列奈中痕量杂质的方法。
- The results indicated that the dejects was caused by pitting corrosion of impurity element iron in silver coin by environmental chloride compound. 结果表明,在银币缺陷部位的腐蚀坑内存在以铁元素为主的物质,基材中的铁元素与外界的氯引起银币的腐蚀,造成了表面缺陷。
- The effect of impurity element Fe on the mechanical property,corrosion and aging ofsand-cast ZA27 alloy has been investigated. 本文考察了杂质元素铁对ZA27合金的机械性能和腐蚀老化性能的影响;
- Determination of Trace Impure elements in Redlead by ICP-AES after Separated from Tri-phase Extraction 三相萃取分离法测定铅丹中痕量杂质元素
- Abstract: 19 impurity elements in yttrium metal were determined by ICP-AES. 摘 要: 本文介绍了用ICP-AES法测定金属钇中19个杂质元素的方法。
- Trace Impuring Elements 锆合金
- Detection of the Trace Impurity in Ethylmaltol by ESI TOF MS 电喷雾飞行时间质谱分析乙基麦芽酚中的痕量“杂质”
- A method has been studied for simultaneous determination of eight impurity elements Cr,Cu,Mg,Mn,Mo,Ni,Ti and V in pure iron by ICP AES. 本文研究了用ICP-AES法同时测定纯铁中8种杂质元素:Cr、Cu、Mg、Mn、Mo、Ni、Ti、V的分析方法。
- Impurity elements of typical crystal are detected by glow discharge spectroscopy(GDMS)and the source of which are discussed. 进行了杂质定量分析和光谱分析,对晶体中杂质的来源进行了讨论。
- The quantity of each impure element is at ppt level, which offers the most superior reagent in purity on the market. 每一不纯元素的量均在ppt之等级,为市面上最高纯度之试剂。
- Copper concentrate with rich impurity element 高杂铜精矿
- A method in which the matrix was matched to calibration curve has been proposed for the direct determination of 13 trace impurities in high-purity tantalum pentoxide by ICP-AES. 摘要本文提出了基体匹配校准曲线,ICP-AES法直接测定高纯氧化钽中13种杂质元素的分析方法,并考察了光谱干扰以及基体效应的影响,确定了仪器最佳工作条件。
- L owering the contents of Fe and Si impurity elements and adjusting Cu content can reduce the coarse hard phases and the excess phases which are difficult to diss olve. 降低Fe和Si杂质元素及调整合金主要成分Cu含量 ,可以减少难溶粗大硬相质点和过剩相 ;
- Objective: To establish a micellar electrokinetic chromatography (MEKC) method with the online sweeping technique to determine trace impurities in nateglinide. 目的:利用胶束电动毛细管色谱在线推扫富集技术建立测定那格列奈原料中痕量杂质的方法。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries