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- The method of the determination of trace As, Se and Hg in the water by atomic fluorescence spectrometry( AFS) was set up. 建立了测定水中痕量砷、硒、汞三种元素的原子荧光光谱法。
- The method of trace detection of benzene, toluene, ethylbenzene, and xylene (BTEX) was studied in ambient air using laser two-photon ionization. 摘要利用激光双光子电离技术研究了在大气压力下探测痕量苯系物的方法。
- This paper suggests a determination method of trace thorium in ores according to DBS-arsenazo and colour-reaction of thorium. 本文根据DBS-偶氮胂与钍的显色反应,提出了矿石中微量钍的测定方法。
- In this paper, the method of determination of trace As、Se、Sb、Hg etc. in water was carried out with dual channel atomic fluorometry. 介绍了应用双道原子荧光光谱法测定水中的汞、砷、硒、锑等痕量元素的原理、过程,并讨论测定条件的优化、干扰的去除方法。
- A method of determination of trace level of butyltin species in water samples by preconcentration with sulfhydryl cotton and a combination technique (GC AAS) was established. 建立了巯基棉预富集、气相色谱－原子吸收联用技术测定水样中痕量丁基锡化合物的方法。
- A method of flow injection analysis (FIA) was introduced into the spectrophotometric system of Mo-SCN~--RhB ternary complex for the determination of trace Mo. 本文将流动注射分析(FIA)引入Mo-SCN~--RhB三元缔合体系测定痕量Mo。
- The determination method of trace manganese content in the water was investigated by formaldoxime spectrophotometry.The interfere factors,precision and accuracy were discussed. 提出应用甲醛肟分光光度法测定原水中微量金属锰含量的方法,并对可能的干扰进行了讨论,对方法的精密度和准确度进行实验。
- In this paper, using the property of trace of matrix and the method of generating function, we obtain all the eigenvalues of a matrix which appears iii stability analysis. 摘要利用矩阵的迹的性质和发生函数方法，给出了稳定性分析中一个矩阵的所有特征值。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- This paper reports the synthetic method of containing Resin-Bibenzoyl, methan,discusses the absorbing property of Resin on uranium and the corditions for enrichment and sepa-ration of trace uranium. 本文介绍了二苯甲酰甲烷萃淋树酯的合成方法，讨论了该树酯对铀的吸附性能和分离富集铀的条件。
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- His method of organizing the work is commendable. 他组织这项工作的办法是值得称赞的。
- You'll find little system in his method of work. 他的工作方法无甚条理。
- Catalytic kinetics determination methods of trace Mn in environmental sample were reviewed, and 16 reference literatures were cited. 对环境样品中痕量锰的催化动力学测定方法进行简要评述，引述文献16篇。
- It's not an economical method of heating. 这不是一种经济的取暖方式。
- The common analytical methods of trace Cd in farm products in recent years include spectrophotometry,AAS,ASV and ICP-MS. 农产品中痕量镉分析的常见方法有分光光度法、原子吸收光谱法、阳极溶出伏安法和电感耦合等离子体质谱法等。
- Taxpayer: what do you mean by the method of derivation? 纳税人：什么是以支出换算收入？
- The others gave some pointers on improving the method of operation. 其他同志则出了一些点子来改进操作方法。
- Blow-drying replace the old method of putt curler into wet hair. 边吹乾边吹发型的方法取代了湿发上卷子的老方法。
- A copy made by this method of duplication. 油印品通过这种方法印制的印刷品
