I’m basically an explorer. Even if exploration doesn’t come naturally to you, I believe scientists of every temperament can learn to explore. I'd like to help everyone here become more creative, more open to oppo...
I’m basically an explorer. Even if exploration doesn’t come naturally to you, I believe scientists of every temperament can learn to explore. I'd like to help everyone here become more creative, more open to opportunity, and, perhaps, be able to experience the thrill of making a discover...
in 1931.The stars are there,you cannot change them,you can learn about them only by measuring<测量> their positions and analysing the light that comes from them.But they taught me a lesson in science when I learned about the solar system <太阳系>and was able on a clear night to ...
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What is Organic Chemistry? In Chemistry, organic chemistry is considered as a sub discipline involving the study of properties, structure, reactions, preparation (by synthesis and the structure compounds containing carbon atoms, hydrocarbons and ... ...
I’m basically an explorer. Even if exploration doesn’t come naturally to you, I believe scientists of every temperament can learn to explore. I'd like to help everyone here become more creative, more open to opportunity, and, perhaps, be able to experience the thrill of making a discover...
In particular, students must learn to explain familiar macroscopic phenomena in terms of underlying chemical changes. One way to think about the nature of this accomplishment is by thinking about how students must change their thinking about how the processes are alike and different. Table 1 (from...
In this article a cross-sectional study on the students’ rating with regard to the contents in organic chemistry will be discussed. Pre-service teachers rated the contents with a questionnaire during their bachelor or master studies. It was shown that t
Once the template DNA has been amplified by PCR, clean-up is required to remove unincorporated primers; any leftover primers can interfere with the strand-specific cycle sequencing reactions that will follow. There are several methods for removing unincor...
6.8 Mechanisms and Arrow Pushing We use arrows to show how electrons move when bonds break and form It will be a huge benefit in this course to master the skill of arrow pushing There are four main ways that electrons move in ionic reactions 1.Nucleophilic Attack 2.Loss of a Leaving Group...