spontaneous

A series of fire prevention and extinguishing measures should be taken in mines that are prone to spontaneous combustion and spontaneous combustion coal seams. These measures include setting up observation stations or observation points for spontaneous combustion, arranging them in rock formations or coal seams that are not easy to spontaneously combust, adopting retreating mining, leaving no roof protection coal, etc. In addition, it was necessary to prepare a special design for mine fire prevention and extinguishing, and adopt technical means such as injecting mortar, injecting noble gas, spraying chemical inhibition agent, etc. to implement active prevention. The mine should also establish a natural combustion monitoring system to detect and discover changes in gas concentration and temperature in a timely manner, and carry out early warning and measures to improve and improve. Comprehensively consider the management of the goaf after mining, the fire prevention and extinguishing needs of the adjacent working faces and adjacent coal seams to ensure safe mining.

A best spontaneous story could be a family picnic. The family wakes up one sunny morning and just decides to pack some food and head to the park. There, they start playing games, and then some stray dogs come over. Instead of being scared, they befriend the dogs and have a great time together. It was all unplanned but filled with so much joy and laughter.

For a chemical reaction, one could judge the spontaneous nature of the reaction by the Gibbs free energy (? G=? H-T? S). When AG>0, the reaction proceeded spontaneously in reverse. 1. ** Analysis from the perspective of the change in the change in the temperature (? H) and the change in the temperature (? S)** - When a reaction that absorbs heat (Delta H>0) and reduces the entropies (Delta S<0), it must be a non-spontaneous reaction (forward), which is a reverse spontaneous reaction, because according to Delta G= Delta H-T Delta S, in this case, Delta G must be greater than 0. - For the reaction of decreasing entropies (? S<0) with an exothermic reaction (? H<0), increasing the temperature will make the reaction reverse spontaneously, because it is necessary to ensure that? G>0 (from? G=? H-T? S, when? H<0,? S<0, increasing T will increase? G and make it greater than 0). - For a reaction with an increase in entropies (? S>0) that is an encircling heat (? H>0), lowering the temperature will make the reaction reverse spontaneously, because it is necessary to ensure that? G>0 (from? G=? H-T? S, when? H>0,? S>0, a decrease in T will increase? G and make it greater than 0). 2. ** Analysis from the perspective of equilibrium constant (for a irreversible reaction)** - If the equilibrium constant of a reaction is K, when the reaction quotient J>K, the reaction will proceed spontaneously in the opposite direction. The equilibrium constant K is related to the standard mole Gibbs free energy change of the reaction, which can be calculated by the formula, where R is the gas constant and T is the temperature. The expression of the reaction quotient J is similar to the equilibrium constant K, except that the concentration or partial pressure is the actual value of the reaction at a certain time. When J>K, the reaction proceeded spontaneously in the opposite direction according to the equation: <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

According to the Gibbs free energy criterion, the reaction can proceed spontaneously if G<0, but not if G<0. Therefore, the reaction is not spontaneous when G>0. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>

Self-motivation refers to a situation that occurs naturally without being affected by external forces. As opposed to " self-awareness," it is an activity that people do not know or master objective laws. For example, in the absence of external coercion or guidance, the family committee decided to buy paint to renovate the classroom and let the parents share the cost, the villagers decided to collect fees from the people who went into the mountains to dig wild vegetables, and the animals interacted with the staff without any external special guidance.

First, come up with a central idea. It could be something like a Christmas miracle for a poor family. Then, create characters with distinct personalities. Next, add some drama, like a family feud that gets resolved by Christmas. Don't overthink it, just let the story flow.

Spontaneity in a love story can come from a chance encounter. For instance, if they meet in a hurry at an airport and then end up spending time together because of a flight delay. The explosive nature might be caused by a feeling of being understood deeply. When they start sharing their dreams and fears and find that the other person truly gets them, the love can explode into existence. It's like all the emotions have been bottled up and suddenly burst out when they meet the right person.

One key element is surprise. For example, in a mystery story, the culprit turns out to be the least suspected character, which makes the ending spontaneous. Another element could be simplicity. Sometimes, a story just ends without a big fuss, like a character finally making a simple choice that resolves all the internal conflicts.

No. Such topics are very private and not suitable for public discussion as they go against public moral and ethical norms.

Well, there was a story where a girl was traveling alone in a foreign country. She got lost in a small town. A local guy helped her find her way. Their encounter was so sudden. But as they spent that day together exploring the town, they found themselves falling head over heels for each other. It was spontaneous because they didn't expect to meet someone special like that. And explosive in the sense that their feelings grew so rapidly and intensely. Before she left the town, they promised to keep in touch and see where this new - found love would lead.