您要查找的是不是:
- 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;
- 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。
- 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。
- 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。
- Copper concentrate with rich impurity element 高杂铜精矿
- 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。
- 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 ;
- An ICP AES method was established for the determination of Be and impurity elements in Au Be Alloy ,such as platinum,palladium,rhodium,iridium,silver etc. 研究了用ICP-AES法测定Au-Be合金中Be及萃取Au后测定微量Pt、Pd、Rh、Ir、Ag等25个杂质元素的方法。
- Purifying Gallium Only by this way , because of some major impurities separated out seriously, often forms individual impurity element to exceed mark , and causes product grade to reduce. 单一电解法提纯镓,由于一些主要杂质析出严重,常常形成个别杂质元素超标,造成产品品级降低。
- A method has been developed to determine15kinds of impurity elements,such as Al,B,Ca,Cd,Cr,Cu,Fe,K,Li,Mg,Mn,Na,Ti,Sr,Zn,in vinylcyanide by inductively coupled plasma atomic emission spectrometry(ICP_AES). 采用电感耦合等离子体发射光谱法同时测定了丙烯腈中的Al、B、Ca、Cd、Cr、Cu、Fe、K、Li、Mg、Mn、Na、Ti、Sr、Zn15种杂质元素;
- This paper is to describe the study on the determination method for 15 kinds of impurity elements in DL-18 aluminum alloy by introducing the OPTIMA-3000 inductive coupling plasma all-direct-reading spectrometer(ICP-AES). 采用引进的OPTIMA-3000型电感耦合等离子体全谱直读光谱仪(ICP-AES),对DL-18铝合金中15种杂质元素进行测定方法的研究。
- The method of simultaneous determination of main content elements (Si and Al) and impurity elements (Fe ,Na ,Ca and Mg)in zeolites and supports has been studied by using ICP AES technique. The samples were pretreated by microwave digestion. 本文研究了用微波消化试样,ICP-AES法同时测定分子筛及担体中的主含量元素Si、Al和杂质元素Fe、Na、Ca、Mg的方法。
- PREPARATION OF ZnO WHISKERS AND BEHAVIOR OF IMPURITY ELEMENT 氧化锌晶须的制备及杂质元素的行为
- 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。
- In a printer, the removable type element. 印刷机上可拆卸的打印部件。
- Establishment of measuring method on impurity element in copper catalyst 铜催化剂中杂质元素测定方法的建立
- Determination of Al, Zr and Impurity Element in Titanium Ally by ICP-AES ICP-AES法测定钛合金中次要成分和杂质元素
- He's in his element when playing badminton. 他打起羽毛球来真是得心应手。
- This heater needs a new element. 这个加热器需要一组新电阻丝。