This paper narrates the importance of pronunciation teaching and analyzes the relations among pronunciation, grammarand vocabulary, and states the influence of pronunciation on the English abilities of the learners. P...This paper narrates the importance of pronunciation teaching and analyzes the relations among pronunciation, grammarand vocabulary, and states the influence of pronunciation on the English abilities of the learners. Pronunciation teaching is the important English teaching step in the school, as well as for the English self-learners. Therefore, pronunciation teaching is essentialand indispensable.展开更多
The determination of carbon by means of microwave plasma torch atomic emission spectrometry(MPT-AES) was studied. Aqueous samples were introduced with a pneumatic nebulization system. The detection limit for carbon wa...The determination of carbon by means of microwave plasma torch atomic emission spectrometry(MPT-AES) was studied. Aqueous samples were introduced with a pneumatic nebulization system. The detection limit for carbon was 0. 047μg/mL.The method was applied to the analysis for tap water and results were satisfactory.展开更多
文摘This paper narrates the importance of pronunciation teaching and analyzes the relations among pronunciation, grammarand vocabulary, and states the influence of pronunciation on the English abilities of the learners. Pronunciation teaching is the important English teaching step in the school, as well as for the English self-learners. Therefore, pronunciation teaching is essentialand indispensable.
文摘The determination of carbon by means of microwave plasma torch atomic emission spectrometry(MPT-AES) was studied. Aqueous samples were introduced with a pneumatic nebulization system. The detection limit for carbon was 0. 047μg/mL.The method was applied to the analysis for tap water and results were satisfactory.