In Journal of Analytical Toxicology, Volume 27, Number 7, October 2003 , pp. 485-492(8). The time to reach 500ng/ml (the point when they can't tell if their testing equipment is giving type I/II errors, as best I understand) is ~47h:30m.
The Chinese finally realized that if you explode gunpowder near people they might die so they started using it in war as a kind of explosive. When Chinese alchemists invented gunpowder it was a mistake. The alchemists were trying to find a potion for immortality and instead they wound up making an explosion.So the opposite effect came out of the original Idea.ne big use that gunpowder evolved into that did not really relate to war was mining. You could mine a whole lot faster by blowing holes in the rock than chipping it with an ax. The invention of gunpowder, and the weapons it is used in, forced war to be in different locations.
â¢ Taiping Rebellion â¢ sphere of influence â¢ Open Door Policy â¢ Boxer Rebellion USING YOUR NOTES MAIN IDEAS CRITICAL THINKING & WRITING 2. Which created the most 3. Why did the Chinese have little 6. ANALYZING MOTIVES Why do you think European powers trouble for China, internal problems or external problems? Why? Internal External interest in trading with the West? 4. What internal problems did China face prior to the Taiping Rebellion? 5. Why did Emperor Guangxuâs efforts at reform and modernization fail? established spheres of influence in China rather than colonies, as they did in Africa and other parts of Asia? 7. MAKING INFERENCES What importance did spheres of influence have for China? 8. COMPARING AND CONTRASTING What were the similarities and differences between the Taiping Rebellion