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chem =chemical; chemist; chemistry chemical 释义 1. 化学的 化学上的 化学用的 He devoted his life to chemical research. 他一生从事化学研究。 n. 1. 化学制品;化学药品[C][P1] He is experimenting with a new chemical. 他正在实验一种新的化学制品。 chemical 反义参见: physical mechani...
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Look at http://81.207.88.128/science/chem/compounds/cupric_chloride.html for a nice picture of a sample of pure reagent grade CuCl2.2H2O (do not bookmark this URL, because the IP-address in it is not fixed and may be invalid after some time). The compound is cyan blue. it is not r...
In addition, the amount of energy needed to start a reaction is the activation energy. This energy is required to form the transition state, which occurs when reactant molecules collide, and the rate constant, k, is related to temperature by the Arrhenius equation. Process Analytical ...
2. What do the qualifications for___in the contest___? (include)3. Are our chemistry experiments the___of the report, or is it___on something else?(basic)4. I find it very___that the painter draws___for her work from her culture.(inspire)5. I do not have the___to carry...
The term 'chemical distributor' or 'ingredient or raw materials distributor' has many different interpretations within the global chemical community. In the context of the World Chemical Distributor Directory the term is defined by those companies meeting the following criteria:...
DHA is also known to be a ligand for the RXR receptor and influence protein expression. It can be made into potent bioactive eicosanoid-like compounds termed neuropro- tectins that may play a role in Alzheimer's disease (5). A wealth of animal work has indicated that when the nervous ...
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