Immediately after, the honest middle-aged man solemnly explained: "Mr. Song Ming, let me introduce you to the short knife I just built." ”

"I first preheat the blade material with an extreme temperature heater at 800-850°C to avoid thermal stress. ”

"Then, I quickly heated the material to a quenching temperature of 1190~1290 °C, and then cooled it with gas-filled gas. ”

"Last ......"

"After heavy processing, the blade material is absolutely of secondary quality, containing tungsten, molybdenum, chromium, vanadium, cobalt and other carbide forming elements, and the total amount of alloying elements is about 10-25%. ”

"Even in the case of high heat generated by high-speed cutting, it retains its extremely high hardness. ”

"As long as the knife comes into contact with the skin, body or blood, the electric shock device will be turned on immediately, and a high-voltage current of more than 2000V will be released in a short period of time, directly impacting the opponent's body......"

............

After finishing speaking, the honest middle-aged man looked at the examiner Song Ming with a sincere face, waiting for Song Ming's evaluation.

"Wait a minute. ”

Holding the short knife, the white-bearded Song Ming said lightly.

Then, under the scorching gaze of everyone, Song Ming held this short knife in his hand and slowly walked into the appraisal room.

There is no doubt that the next Song Ming will use various instruments to test the hardness of the blade, the effect of electric shock, etc., and other major scientific and technological elements to determine whether this short knife is eligible to be classified as a second-level quality.

"I heard that Mr. Song Ming's appraisal has always been extremely strict!"

"Yes! Mr. Song Ming is a third-level martial arts equipment master, and his general second-level quality can't get into his eyes at all. ”

"Ah? In that case, wouldn't I be out of action again? In the first few assessments, I couldn't even handle those ordinary appraisers, but this time it was Mr. Song Ming......"

............

With Song Ming's departure, many of the assessors present turned their heads one after another, and they all showed some nervousness.

Especially the honest middle-aged man who was the first to be identified, he was even more restless, his brows were tightly locked, and his palms were sweating.

Only Chen Xuan, with a calm expression, has always been extremely confident and calm.

Even, he took advantage of this gap to enter the virtual universe and conduct a matching battle at the same level.

Of course, with Chen Xuan's current strength, in the matching battle of the same level, it is definitely difficult to lose!

Six Extremes of Divine Power, Shadowless Dagger Method, Void Step...... Together, these gave him an incomparably huge advantage in martial artist-level physical fitness and life level!

Even among the supreme civilizations, there are not many people who can match him!

In Chen Xuan's opinion, unless he encounters a life with special talents like the pterodactyl last time, otherwise, if he matches the same level, he will not lose at all!

............

In this way, 8 minutes passed in a flash, and Song Ming returned to everyone's sight.

"Your knife is very good in terms of materials, and it has indeed reached the second level quality. ”

After some bland compliments, Song Ming handed the short knife back to the honest middle-aged man, shook his head, and said, "However, your electric shock equipment is too poorly designed, and it is easy to hurt the user itself, which really does not meet the standard of second-level quality." ”

"So, on the whole, this short knife of yours can't reach the second-level quality for the time being!"

"You, you can leave!"

............

After listening to Song Ming's evaluation, the honest middle-aged man suddenly felt a chill in his heart, and then left the laboratory with a lonely expression without arguing, and disappeared from everyone's sight......

There is no doubt that the honest middle-aged man himself knows that the use of his electric shock equipment is very "simple", and there is not much technology at all.

After getting such a verdict, he was convinced!

"Next, Liu Ming. ”

"Hello Mr. Song Ming, this is the Taiyun heavy axe ...... I built"

............

In this way, one after another, the chief examiner, Mr. Song Ming, continued to identify the weapons built by everyone, and all of them gave very fair judgments.

However, since Mr. Song Ming is a third-level martial arts equipment master, his evaluation standard will undoubtedly be slightly higher than those appraisers in the past.

Because of this, more than 20 people in a row passed, and only one person's "work" barely entered Song Ming's eyes and gave a second-level quality judgment.

Others, without exception, were all eliminated!

At this moment, in the entire experiment, only Chen Xuan, the last assessor, was left.

"Alright, you're all left. ”

His eyes fell on Chen Xuan, and Song Ming said especially casually: "Young man, take out your works." ”

"Hmm. ”

Chen Xuan nodded immediately, and immediately handed the pair of gloves he made to Song Ming, and explained seriously: "Mr. Song, my pair of gloves is divided into two completely different materials, inside and outside. ”

"Inside, the polymerized mulberry silk material is used, which is soft and smooth, waterproof and light-proof......"

"Externally, I use a special material made of polymer polyethylene and carbon fiber, which has low density, high specific properties, no creep, can withstand ultra-high temperature in a non-oxidizing environment, and has excellent corrosion resistance, X-ray transmittance, and electromagnetic shielding......

"At the same time, I also built a ...... into the external material that can temporarily paralyze the nerves."

............

After listening to Chen Xuan's words, Song Ming immediately frowned, and was very surprised, and then asked repeatedly: "How did you get this carbon fiber material you said?"

Undoubtedly, Song Ming, a third-level martial arts equipment master in the human world, did not understand the material that Chen Xuan was talking about......

In other words, what Chen Xuan said just now stunned Song Ming!

Of course, this is also a very normal phenomenon!

After all, Chen Xuan was trained by Ruth!

Who is Ruth? That's a seventh-level martial arts equipment master in the supreme civilization!

In the process of training Chen Xuan, what she told was bound to be the research results of the supreme civilization!

Under such circumstances, Chen Xuan came up with some "new things" that Song Ming had never heard of at all, which was completely reasonable......

"Uh......"

Seeing Song Ming's reaction, Chen Xuan had no choice but to explain to him helplessly: "That's right, this carbon fiber material is the microcrystalline graphite material that I just used a fiber processing machine to pile up organic fibers such as flake graphite crystallites along the axial direction of the fiber, and was carbonized and graphitized to obtain it. ”

"The material is of very low quality, but it is stronger than steel and has corrosion resistance and high modulus. ”

"It can be said that it not only has the intrinsic properties of carbon materials, but also has the soft processability of textile fibers...... Using such materials to make second-grade fist gloves is definitely the best!"