The present invention provides a low-temp. solvent evaporation induced crystallization method for preparing nano crystal titanium dioxide. Said invention method includes the following steps: hydrolyzing alcohol salt of titanium in water, then ageing, finally progressively evaporating solvent at 80-180 deg.
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Nevertheless, a restricted life span, ageing, and then death are basic characteristics of life.
然而，有限的寿命、衰老和死亡是生命的基本特征。
If we can use her DNA to find that mutant gene then we can test it in laboratory animals to see if we can switch if off and slow down the ageing process at will.
如果我们能够在她的DNA当中发现变异的基因，我们可以在其他动物身上试验这些基因，看我们能否任意减缓老化的过程。
Ageing involves the process of metabolism, and then deterioration, and then pathology - is that right?
老化涉及代谢，然后衰退，然后发病的过程——对吗？
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