Abstract: This paper presents the development of a simple, low cost, the new type of urea sensor, and suitable for water quality monitoring. Here, urease is immobilized on the electrodes using ...

Hi. I'm Tim and this is my pronunciation workshop. Here, I'm going to show you how English is really spoken. Come on, let's go inside. You see this? This is my lunch - well, either that, or it's some ...

Hi. I'm Tim and this is my Pronunciation Workshop. Here, I'm going to show you how English is really spoken. Come on, let's go inside. Hey, look at this: a present. All wrapped up in paper. Now, do ...