The front of the clothes is wet, but the back is not. This is the evidence of running in the rain.
There is an oblique mark on the surgeon's finger. As a surgeon, he usually ties a knot while fixing the thin thread with the index finger of both hands during the operation.
, so in front of the index finger will leave a trace of tilt.
There is a thin scar on the left hand, which is located between the thumb and forefinger of the palm. People who practice Japanese kendo often get injured in this part when they collect their knives.
As long as sodium hydroxide is taken out and put in the air, it will quickly absorb water molecules and become liquid. The toxic molecular formula is sodium +H2O = sodium hydroxide.
6. When shooting, the bullet will be ejected from the muzzle together with a high-temperature hot gas. If the gun is pointed at the head, there will be burns on the head.
7. Long-haired cats are most afraid of overheating, so provide an air-conditioned environment.
8. Take off the head of the flashlight, take off the reflector inside, put the match in the reflector, and then point this at the sun to concentrate his light, so that even wet matches can be lit.
9. When the short hand points to the sun, the half direction between the short hand and twelve o'clock is the south, and the so-called east is the 90-degree angle to his left.
10, foam can be seen in the mouth and nose of the drowning person, and there is a small amount of bleeding in the ear, which is the relationship between water entering from the mouth and nose and causing oppression.
1 1, people begin to be stiff within 30 minutes to two hours after death. Within 30 hours after death, the body will show the hardest state, and then it will gradually soften and return to its original state in about 70 hours. The temperature around the body is about 35 degrees, and the speed of body stiffness and softening will accelerate. As long as it takes 24 to 30 hours, the stiffness will begin to soften after death.
12, organophosphorus chemicals, if slightly poisoned, will only make people sick or drool, if taken in large quantities, it will cause dyspnea and dehydration.
13, use the echo of the stone to judge the road ahead. If the echo is loud, it means that there is a dead end ahead. If it is small, it means there is still a road ahead.
14, sodium sulfide, a bleaching agent that can remove the color of disinfectant, not only that, but also an antidote that can remove the toxicity of methyl hydroxide, which can react with a special component at room temperature.
15, the mixture of hydrochloric acid and acidic detergent will produce toxic hydrochloric acid gas.
16, if you are exposed to those dyes every day, not only a person's fingers but also his nails will be stained with pigments, which is difficult to wash off.
17, usually some codewords are mostly written in the text before or after. If the normal clock is 6: 30, the clock and minutes should be separated. If it overlaps, it means someone moved it on purpose.
18, in Japan, the statute of limitations for homicide is 15 years, but the civil law stipulates that 20 years is still the statutory time limit for prosecution.
19, thermal stiffness phenomenon, when the corpse encounters fire, skeletal muscle will shrink under the action of heat, thus causing thermal stiffness phenomenon. The muscles of the hands and feet after bending are much stronger than those after stretching, so the joints will be in a bent state.
20, selenium gum resin, referred to as selenium gum, is often used in rhinoplasty surgery.
2 1, red rose represents enthusiasm, marigold represents despair, lobelia represents malice, and Dali flower represents betrayal.
22. Clooney, colorless or white crystal, is usually used to disinfect the skin and sterilize something. Clooney is very toxic and is usually used to kill moles and make mole pills.
23, Chinese name potassium cyanate
English name potassium cyanate
Structure or molecular formula KCNO
Density 2.056
Character white quadrilateral crystal
Soluble in water, rarely soluble in ethanol.
Used for organic synthesis and preparation of sleeping pills and anesthetics. It can also be used as a herbicide.
The preparation or source is obtained by grinding and heating * * * together with lead oxide, and then crystallizing in water or dilute ethanol.
Decomposition at 700 ~ 900℃
Potassium cyanate poisoning
When he died, he didn't lose his color, and his lips and nails didn't turn purple, but showed a pink T-color T5.
After taking it, the electron transfer system in the cell will start to operate.
Can circulate along the blood without consuming oxygen in the blood.
This will make the whole body look better, and the mouth smells of almonds.
24. Sequela of shock, that is to say, some people will get sick easily as long as they stay with some green plants for a long time, because green plants contain a lot of formaldehyde.
25. There is a red spot on the back that resembles a mosquito bite. It's like being stabbed in the back by an ice pick and leaving this spot. If the wound is really caused by an ice cone, it doesn't look serious, but generally speaking, it often hurts the lungs or internal organs. If you are stabbed, your chest hurts and you can't breathe. If there is a hole in the lung, even if you want to breathe, it will be difficult to breathe because the lung cannot expand.
26. Tannic acid contained in black tea will clean the wound and neutralize the toxin. This is the best emergency measure when bitten by a sea snake, but there is another point. If someone sucks the poisonous blood out, that person will be in danger if he doesn't clean his mouth with tea.
27. Wear a helmet when rushing into the fire to save people, so as to protect your face and hair from being burned.
28, quicklime dipped in water will produce high temperature heat.
27. Before confessing the crime, the suspect always has a thirsty throat and reaches for water. If they are given water at this time, they will swallow the previous words and water.
28. Some pine trees will turn yellow-green, and Tricholoma matsutake generally likes to cling to the roots of Pinus densiflora to absorb nutrients, so it seems that the roots of Pinus densiflora with that color of pine leaves are very likely. In addition, these red pine trees must grow well in sunshine, drainage and ventilation during their growth.
29. Cut endless gaps on the towel every once in a while, and it becomes a long bandage.
30. An expert who pretends to be someone else may remember something that ordinary people don't even remember. Successful people usually don't miss any opportunity, because if you think the opportunity will appear again and let it slip away, you can't wait.
3 1, luminol reagent, as long as it is sprayed on blood, will be oxidized by active oxygen in blood, thus releasing blue-purple fluorescence.
32. Tetrodotoxin: Tetrodotoxin, commonly known as TTX, can be fatal at 0.5 to 1 mg. It is a highly toxic poison that can kill people as long as the dosage of potassium hydroxide is 1/500. Usually in puffer fish, the poisoning reaction from the mouth is relatively slow, and timely treatment can generally be rescued, and the nerves will be paralyzed and die immediately.
Yawning and joint pain are symptoms of drug addicts' drug addiction. Drug addicts can't get rid of drugs, which is the pleasure brought by drug abuse and the unbearable pain of muscles and joints when drug addiction attacks. Taking drugs to kill people is definitely an incompetent violation.
There is no excuse for drugs and drugs. ....
This can only get you a shameful red card.
Losers deserve a red card. ...
34. It is a very serious matter that the escorted police officer committed suicide halfway. Now, there is no need to apply for a warning, and the salary reduction is suspended. More than that, if you don't do well, you will be fired.
35, heparin (chemical substances to prevent blood coagulation), generally blood will coagulate after a period of time, and it is inconvenient to carry. Mixing blood and heparin in sealed plastic bags can easily keep the original appearance of plasma on Shinkansen.
36, the body temperature is very high, the skin is dry, the sweat can't be discharged, the pupil is a little narrowed, the face is a little red, but the pulse is beating fast. This is a standard heatstroke phenomenon.
37, hypoglycemic drugs, drugs taken by diabetic patients, if healthy people drink, blood sugar will suddenly drop, which may lead to death.
38. In the colorless liquid mixed with phenolphthalein and alcohol, adding the same colorless slightly alkaline liquid ammonia water will turn red like magic.
39, acute subdural hematoma, right cerebral hemorrhage, left foot paralysis.
40, mercury rod, as long as the slight vibration, the internal mercury beads will roll.
4 1, bamboo shoots will grow quickly after absorbing water and heating.
The surface temperature of 42 100 watt bulb is 2 18 degrees.
43. Don't eat irritating food for a period of time after tooth extraction.
44. Isoproterenol is a drug used to induce unconsciousness in experiments, and it is used by patients who are unconscious to induce their symptoms in order to find out the reasons.
45, lacquer tree, it will be poisoned and inflamed when touched.
46. It is quite uncomfortable for people who wear contact lenses to ride motorcycles without goggles. The wind hurt their eyes and tears. Even if they are equipped with a windshield, they will be quite uncomfortable to ride.
47. Every athlete has taboos, one of which is to protect the most important parts.
48. Where the water is not so deep, the sunlight will make the sea water clear and the fish will be more alert. In fact, cloudy or light rain weather is more suitable for fishing. After catching a fish, it is best to put it in a bucket and then put it into the sea, because the human body temperature is too high for the fish, and the fish will be scalded. It is more suitable for fishing in the morning and after evening.
49. Your lips turn purple and you begin to suffer from hypoxia, which is proof that you can't breathe normally. Even so, your pulse is still beating and your heart is still beating normally, indicating that the possible cause is interference or neurotoxicity.
50, pitchers are used to picking things up with their left hand.
5 1, spiders with red spots on the back are called red-backed spiders or red-backed spiders, which mainly live in Australia, Central and South America and other places.
If the weather is cold, the sky is clearer and the stars can be seen more clearly.
53. After death, the muscles of the human body will become stiff, usually starting about two hours after death.
But if it is outdoors in summer, or in a warm place with indoor heating, it will start faster.
54. Cats have no body structure to break down lactose. Cattle that eat grass and cats that eat meat have different nutrients in breast milk. If you give them milk directly, sometimes their stomachs will get drunk, so they won't drink it. Therefore, if you give baby milk powder, mix it with boiling water with a body temperature of about 38 degrees, dilute it with twice as much water, and then give it to them.
I am a porter of nature!