In the next two days, Qin Nuo went back and forth between the world in the painting, the survivor camp, and the explosives manufacturing site. On the one hand, he urged and guided the newbies to pack and box fulminate of mercury, on the other hand, he exchanged daily necessities for some of the natives who returned with full loads, and tied up the captured zombies and threw them all into the world in the painting. As the saying goes, once a person has a goal, he will have unlimited motivation. After the natives found that Qin Nuo did keep his promise and exchanged them at the previous price, they were more motivated and wanted to become the liver emperor. As soon as they came back, they didn't even care about eating and immediately took the newly exchanged gasoline and drove to the next place. Although the number of zombies they could catch ranged from five or six to seven or eight. It was completely incomparable to Qin Nuo's efficiency of clearing the entire town at one time, but it was more frequent. After two days, the iron gate was raised more times than the total of the previous three years. Gradually, the natives, who had been dazzled by the high returns, were afraid that if they missed this opportunity, they would miss it, and began to think about whether to unite to capture zombies on a large scale and at a low frequency. Under Chris's organization, everyone merged into two large convoys with four trailer transport vehicles as the center. With enough dry food, weapons, ammunition and gas masks, they slowly headed towards the surrounding towns. With more vehicles, the fuel consumption was naturally high. In order to avoid the embarrassment of running out of fuel in the middle of the journey, the natives continued to use the twil-light extract they had just exchanged as collateral, and exchanged it all for barrels of gasoline. Qin Nuo welcomed this very much and wished everyone success and a great harvest. After the convoy left, only Chris and a few old, weak and sick people were left in the camp. He hummed a little song happily and started the next step. First, guide the newbies to make explosives. Originally, he was considering preparing black powder, which is commonly known as one saltpeter, two sulfur and three charcoal.

In the era of extreme material scarcity,

the vast majority of working people could easily make such explosives using daily necessities that can be found everywhere.

Saltpeter, also known as potassium nitrate,

can be made from bat droppings or horse urine.

The specific method is to fill a bucket with fertilizer first, attach a drain, valve and ground filter.

Then urinate into the bucket, add clean water, wait for about 10 months, take it out and dry it.

Charcoal, ordinary charcoal for barbecue is fine.

Fill an iron bucket with 8 cm long willow or other wood,

then put the iron bucket on the campfire, and open the lid to ensure normal airflow.

After the fire is burned for 4 to 6 hours, open the iron bucket and you will find that the wood has been charred into exquisite homemade charcoal.

Sulfur is a bit troublesome,

either purchase natural minerals or oxidize, separate and granulate it from sulfur-containing wastewater for secondary recycling.

Gather the three raw materials, mix and grind according to 75% saltpeter, 15% carbon, and 10% sulfur.

During this period, a small amount of water can be added until the gunpowder presents a clay texture, which is considered a success.

Although the process is simple, the power of black gunpowder is really average.

A hundred years ago, after the defeat of the pigtail army,

the 10,000 kilograms of black gunpowder seized by the British army was so inferior that it was beyond imagination,

and all poured into the sea to fertilize the fields.

Qin Nuo now has the support of Yan Shuihan, a wealthy woman,

so naturally he has to look at higher formulations, such as ammonium nitrate, which is known as the small TNT.

As a chemical substance with strong hygroscopicity and agglomeration,

it is extremely insensitive to impact, vibration, and friction,

and can be crushed with iron tools when produced in a dry environment.

If you want to increase the sensitivity, you can add mechanical impurities and organic matter.

In addition, woven fabrics such as paper and cloth bags soaked in ammonium nitrate solution will cause spontaneous combustion when encountering an environment of 100℃.

Therefore, waste paper and cloth produced during manufacturing should not be thrown away randomly.

It is best to collect them,

and smear them on the enemy during a fight,

and throw a lighter over to watch the human torch performance up close.

As for the detonation principle of ammonium nitrate, it can be roughly divided into the following steps:

When the temperature is 110℃,

NH₄NO₃→HNO₃+NH₃+41300 calories.

When the temperature is 185℃,

NH₄NO₃→N₂O+2H₂O+30300 calories.

When the temperature is above 230℃,

2NH₄NO₃→2N₂+O₂+4H₂O+30700 calories, accompanied by a weak flash.

Qin Nuo briefly explained a few precautions and the principle of explosion,

and pulled the confused newbies to the experimental equipment to start manufacturing.

After they put on protective masks and rubber gloves, they first used a stone mill to grind the ammonium nitrate to a fineness that could pass through a sieve with 15 holes per square centimeter.Nuo used his extraordinary ability to

shorten the drying process by 24 hours and quickly remove water from the powdered ammonium nitrate.

During this process, he did not let the newbies idle, and sent them all to prepare the combustion agent.

This thing is very easy to make,

Wood, peat, grain husks, and bark can all be used as raw materials.

After filtering out large particles of debris with a coarse-mesh screen, grind them into fine powder.

It is required to pass through a screen with 16 holes per square centimeter, and the water content should not exceed 2%.

After the ammonium nitrate and the combustion agent are ready, the next step is to configure the explosives without sensitive agents.

The specific process is:

Wood powder or rice bran→screening→drying→crushing→sieving→weighing,

Ammonium nitrate crushing→crushing→drying→fine crushing→screening→weighing,

Mix the two powders→weighing→stuffing into oil paper bags→packing.

When the five newbies were pushing the millstone to grind the powder like mules,

Yan Shuihan, the number one investor, was the most relaxed one.

She was assigned the job of rolling paper tubes.

The general operation process is to fix the cut kraft paper on the tube rolling tool and glue it with woodworking glue.

It's not difficult, just have hands.

After arranging all matters,

Qin Nuo waved his hand and left the scene on the pretext of returning to the cave he dug last night.

Rebury the simple mines and make sure no one is around.

Just now, he took out the five-inch oil painting frame and entered the world of the painting.

——————

"Master, Master!"

As soon as Qin Nuo appeared, Ah Qi rushed over with a shout.

Two metal arms like dung forks waved back and forth,

Looking quite excited.

"What a mess."

Qin Nuo stretched out his hand and pressed Ah Qi's head to prevent it from jumping on him.

Don't look at this guy's small size, he has a lot of tonnage.

It's no joke if he hits you with hundreds of pounds.

"Master, the experiment has made a breakthrough! A zombie has evolved a new organ."

Aqi's four rollers did not stop, and they were still running at full speed.

There was a creaking sound of intense friction, and even sparks came out.

"Oh? I'll go take a look."

Qin Nuo loosened his hand and jumped straight up,

avoiding the enthusiastic pounce of the wastebasket, and came to the large culture chamber with a few vertical jumps.

The clothes of the zombie lying inside had been stripped clean,

The head that was originally rotten had grown canine teeth.

This was not the point,

The key bone was still growing horizontally.

It was like twisting a dog's mouth 90 degrees,

It looked quite curious.

"Aqi, what on earth did you inject into it?"

Qin Nuo's eyes twitched slightly, and he looked at the wastebasket robot with great suspicion.

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