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- Light olefins for industrial use. Determination of impurities by gas chromatography. General considerations. 工业用轻烯烃。用气相色谱法测定杂质的含量。一般考虑。
- Anion-chromatographic procedure is described for the determination of impurities in tripolyphosphate. 研究了离子色谱法检测食品添加剂三聚磷酸盐中杂质含量的分析方法。
- The method of inductively coupled plasma-mass spectrometry for the determination of impurities of 16 traceelements in highly pure palladium was studied. 建立了高纯钯中16种痕量杂质的电感耦合等离子体质谱测定方法。
- The method for determination of impurities Co,Mn,Mg,Cr,Si,Cu, Al and Ni in Be by ICP-AES is studied. The Be sample is dissolved by HCl,and is extracted by DBPA-benzoyl from HNO3 medium. 研究用HCl溶解金属铍,在HNO_3介质中用磷酸二丁酯(DBPA)-苯萃取,将铍与待测杂质元素分离。 用LCP-AES法测定Co、Mn、Mg、Cr、Si、Cu、Al、Ni8种杂质元素的含量。
- The quantitation limit is a parameter of quantitative assays for low levels of compounds in sample matrices, and is used particularly for the determination of impurities and/or degradation products. 检测量是低含量组分样品定量分析的一个参数，特别是用于杂质和/或降解物的测定。
- Determination of impurities in EMD 电池用电解二氧化锰中杂质的测定
- Beer works of impurities in fermenting. 啤酒在发酵过程中，排除掉杂质。
- This rice has a lot of impurities in it. 这种米杂质很多。
- The buildup of impurities often results in defective plating. 杂质的积累经常导致不良的电镀。
- The determination of impurity Oxygen and Nitrogen in the metals of Neodymium and Dysprosium is studied. 研究了稀土金属钕和镝中杂质氧和氮的测定方法。
- Iron ore, as mined, contains varying quantities of impurities. 铁矿石从地下开采出来时具有不同含量的杂质。
- The determination of impurity oxygen and nitrogen in copper-chromium,coppermolybdenum and copper-wolfram alloys is studied. 研究了铜铬、铜钨、铜钼合金中杂质氧和氮的测定方法。
- An ICP-AES method for the determination of impurity composition Ni, Fe, Na, Ca in electrode material of lithium ion battery was established. 研究建立了电感耦合等离子发射光谱(ICP-AES)法测定锂离子电池电极材料中杂质成份镍、铁、钠、钙的分析方法。
- Determination of Impurities in Diborane by Low Temperature Gas Chromatography 高纯硼烷中杂质的低温气相色谱分析
- Ion Chromatographic Method for Determination of Impurities in Tripolyphosphate 离子色谱法测定食品添加剂三聚磷酸盐中的杂质含量
- STUDY ON THE DETERMINATION OF IMPURITIES IN ANTIMONY INGOT BY ICP-OES 锑锭中杂质元素的ICP-OES法测定方法研究
- Determination of Impurities in Osmium Powder by ICP AES Using Matrix Separation 基体分离ICP-AES法测定金属锇粉中的杂质元素
- The determination of the cubic contents of a solid. 求体积法对某一固体体积的测定
- Judicial determination of paternity. 父子关系法律上父子关系的确定
- He took a shot of impure heroin. 他注射不纯的海洛因。
