您要查找的是不是：
- THIS PRODUCT TESTED BY ULTRA TRACE INDUSTRIAL SAFETY HYGIENE OF SGS TAIWAN LTD. 本产品经过台湾检验超微量工业安全实验室测试合格，请安心使用！
- The adsorption behaviors of the different activated carbon fibers to ultra trace xenon in air are studied using the method of 133 Xe as tracer. 用133Xe作示踪剂研究了市售活性碳纤维对大气本底水平氙的吸附性能 ,并与粒状活性炭的吸附性能作了比较 ;
- A novel method was described for the determination of ultra trace amount of zirconium based on the anodic adsorptive voltammetry of zirconium-alizarin red S complex at a carbon black microelectrode. 通过研究锆-茜素红络合物在碳黑微电极上的阳极吸附伏安行为,提出了一种测定痕量锆的新方法。
- High-Selectivity-Catalytic Determination of Ultra Trace Amounts of Copper 高选择性催化法测定超痕量铜
- Application of chlorophosphonazo-pA in the determination of trace platinum metals 偶氮氯膦-pA在痕量铂系元素测定中的应用
- Laser Thermal Lens Spectrometric Determination of Trace Platinum with 2-(3,5-Dichlor-pyridylazo)-5-dimethylaminoaniline 微量铂的2-(3,5-二氯-2-吡啶偶氮)-5-二甲氨基苯胺激光热透镜光谱法测定
- Platinum is used to make jewelry. 白金常常用来做珠宝饰物。
- Flow-injection on-line extraction chromatography for determination of trace platinum by flame atomic absorption spectrometry 流动注射在线萃取色谱分离原子吸收光谱法测定痕量铂
- Separation and Preconcentration of Trace Platinum and Palladium with p-Sulfophenylaxochomotropic Acid Chelate Forming Resin 对磺基苯偶氮变色酸螯合形成树脂分离富集微量铂和钯
- Progress on Speciation Analysis Techniques of Trace and Ultra Trace Mercury in Aquatic Environment 水环境中痕量、超痕量元素汞的形态分析技术进展
- Keywords Micro drop solvent extraction;Low temperature electrothermal vaporization;ICP-AES;Ultra trace analysis; 关键词微滴溶剂萃取;低温电热蒸发;ICP-AES;超痕量分析;
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- The post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- May I show you gold rings or platinum ones? 您要看黄金戒指还是白金戒指？
- The kids are learning to trace the letter. 孩子们学描字母。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
