dripping water penetrates the stone (idiom) / constant perseverance yields success / You can achieve your aim if you try hard without giving up. / Persistent effort overcomes any difficulty.
dripping water penetrates the stone (idiom) / constant perseverance yields success / You can achieve your aim if you try hard without giving up. / Persistent effort overcomes any difficulty.
Conference of States Parties to the 1925 Geneva Protocol and Other Interested States on the Prohibition of Chemical Weapons / Conference on the Prohibition of Chemical Weapons / Paris Conference
Conference of States Parties to the 1925 Geneva Protocol and Other Interested States on the Prohibition of Chemical Weapons / Conference on the Prohibition of Chemical Weapons / Paris Conference
dripping water penetrates the stone (idiom) / constant perseverance yields success / You can achieve your aim if you try hard without giving up. / Persistent effort overcomes any difficulty.
potency / titer (measure of effective concentration in virology or chemical pathology, defined in terms of potency after dilution by titration) / valence (perceived value in psychology) / valency
dissociation / to break up a chemical compound into its elements
The four tones
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