Agar can do a lot of gourmet food, but how much harm to the human body?

Parent, agar, also known as the foreign vegetable, rich in dietary fiber (content of 80.9%), high protein content, low calorie, with detoxification, laxative, laxative, lowering blood pressure, lowering blood glucose and cancer prevention, was recognized by the Food and Agriculture Organization of the United Nations for the 21st century health food Oh, will not be harmful to young and old people ∩_∩ ~, the general public can be eaten, especially suitable for obesity, high blood pressure and high blood pressure crowd to eat Oh

, High blood pressure, high blood fat and constipation crowd to eat Oh

The radiation dose of the station security machine is not very large, generally as long as the attention of the following points will not constitute a health impact

(1) only after training or by the relevant management department approved personnel to operate the X-ray security checker.

(2) X-ray security checker factory strictly in accordance with national standards after the test, in the correct installation and the use of trained and qualified operators under the conditions, to ensure that the operator, travelers, personal and baggage parcels within the security of the goods.

(3) The device must be manned during execution, otherwise it may cause mechanical or radiological injuries to the personnel who contact the device at will, or cause damage to the device.

(4) X-ray safety checker will emit micro-dose X-rays only when the inspected item passes through the detection area, or when it is forced to give time by human beings, at this time, the red signal light of "ray emission" is on, and the device does not emit X-rays at any other time.

(5) The X-ray generator can be turned off immediately when the "Emergency Stop Switch" button is pressed on the upper part of the inspection channel or when the large guards on both sides of the system are opened.

(6) During the normal execution of the device, the operator and travelers should not enter any part of the body inside the lead rubber curtains of the detection channel, otherwise it may cause radiation damage.

(7) During the normal execution of the device, when delivering and picking up baggage parcels, operators and travelers should not touch any part of their bodies on the conveyor belt and rollers, otherwise they may be pinched or squeezed.

(8) In the event of (5), (6) described in the case, you can immediately press the "emergency stop switch" button, the device to stop the implementation of the treatment.

(9) only with mechanical, electrical, electronic, computer-related professional skills, and after special training, personnel can be X-ray safety inspection of the relevant parts of the disassembly, maintenance and repair.

(10) Connecting any mechanical, electrical or electronic parts that do not belong to the X-ray safety checker to the power supply unit or system of the X-ray safety checker may affect the normal operation of the device or even damage the device.

(11) Without the manufacturer's permission, any hardware or software changes or upgrades to the computer system may cause the system to fail to work properly or crash. The use of various removable storage devices, various optical disks, and audio-visual devices in the system computer is not allowed to prevent the system from being infected with viruses or damaged.

(12) If the detection channel is found to be damaged by lead rubber curtains, emergency stop switches, ray signal lamps and other safety devices, manufacturers should be contacted in a timely manner to replace them, to avoid radiation leakage leading to radiation damage.

How much damage to the human body detector, how far away from the safety

Generally about 50 meters, in short, the farther away the better, the protection of ionizing radiation there are three kinds of distance protection is only one of them. X-rays occurring in the detector machine will kill red blood cells to make people suffer from leukemia, but also make people suffer from cancer!

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How much harm does a wireless walkie-talkie do to the human body?

China's electromagnetic radiation has a strict technical limit value standard. In order to prevent electromagnetic radiation pollution, to protect public health, the state environmental protection, health and other departments since the 1990s, has developed and issued the "environmental electromagnetic health standards" and other seven regulations and national standards on electromagnetic radiation provides for grading standards: First-class standards (safety standards, the human body does not have any impact) high-frequency radiation less than 10 μW/cm2 low-frequency radiation less than 10 V/m Second-class standards (intermediate zone, the human body can bring about a significant difference). (intermediate zone, can have harmful effects on humans) High-frequency radiation Less than 40 μW/cm2 Low-frequency radiation Less than 25 V/m Because many electronic devices emit both high-frequency and low-frequency electromagnetic radiation, we tested each device at both the high-frequency and low-frequency levels! The various profiles we tested only indicate that the test samples had such radiation profiles. As a communication tool, does a walkie-talkie actually emit radiation? And how much radiation would it be? The results of the measurements may surprise you! Low-frequency radiation: not talking to the size of the radiation of the walkie-talkie: 0.275V / m, this information in our safety range it, no harm to the human body, the unit (electric field strength V / m) Low-frequency radiation: talking to the size of the radiation value of the walkie-talkie in the state: 159.5V / m. We have measured the computer components, the electric field strength of the largest is also the router, up to 2.2V / m, and a small Radiation value of a small walkie-talkie, even reached 159.5V / m, look carefully at the figure Oh, before the measured value of other components is also a few hundred, but pay attention to the unit, before the mv / m, mv / m with the v / m difference of 1,000 times, and then on the unit of the figure is mv / m, because that is in the state of the call is not a phone call, and the start of the call, the radiation value of the increase in almost 1000 times. 1000 times, here to remind the frequent use of walkie-talkie friends, we must pay attention to the harm of walkie-talkie radiation on the human body, do a good job of coping with the method Unit (electric field strength V/m) High-frequency radiation: not talk to the size of the walkie-talkie's radiation: 0.018 μW/cm2, this information is in our safety range, there is no danger to the human body High-frequency radiation: talk to the state of the walkie-talkie radiation values 5866μW/cm2, far more than the human body can withstand the safety range, long time in this intensity of radiation, the body will cause damage. We have measured the computer components, high-frequency radiation is also the largest wireless router, up to 1.049μw/cm2, and the radiation value of the walkie-talkie, surprisingly, reached 5866μW/cm2, the value of the figure is 5.866mw/cm2, pay attention to the unit, before the μw/cm2, mw/cm2 and vμw/cm2, a difference of 1,000 times, and also to remind here! often use the walkie-talkie friends, must pay attention to the walkie-talkie radiation on the human body harm, do a good job of coping with the method I hope to help everyone

This on your electricity where, that location, and the point of the time of the length of time.

If the limbs, the general time 1-2 seconds. The main thing is a pain, numbness.

Points to the head, neck, heart and other parts of the shaker is very dangerous.

These positions generally do not exceed 5 seconds.

How much damage does a DC24V 2.5A circuit do to the human body?

24V DC is harmless because the panel has a very high resistance (hundreds of K ohms to several M ohms). The current is very low.

How harmful is radiation from computers?

The brain is an epoch-making invention, which has brought people to work, study, life on all kinds of convenience, but also brought the worry, people are more or less worried about long-term computer work on the health of the body, such as computer radiation will not produce damage to the human body. The first thing you need to do is to get a good deal on a computer, and you can do that by using a computer that you can use for your own purposes.

In fact, computers do form weak electromagnetic fields when they work, but whether long-term exposure is carcinogenic or harmful to the human body has not yet been determined.

There are some scholars who believe that this electromagnetic field may be carcinogenic. The electromagnetic field caused by computers is scattering, and a computer operator is affected by other computers around him besides his own.

According to a study in the United States, pregnant women who work more than 20 hours a week in front of a computer are twice as likely to miscarry in the first trimester as others. Therefore, pregnant women should avoid approaching computers during pregnancy. In addition, the electromagnetic field of a color computer is 3-4 times higher than that of a black and white computer. So how much harm can computers possibly cause to the human body?

Domestic and foreign news media have repeatedly reported that computer fluorescent screens lead to staff miscarriages, teratology, facial rashes, cataracts and photosensitive epilepsy and other diseases, but after the epidemiological analysis of statistical data can not confirm this conclusion, the World Health Organization panel of experts also held this opinion.

At the same time, the relevant monitoring results also show that the computer or television fluorescent screen generated by the X-ray, ultraviolet, infrared, ultra-low frequency, electrostatic fields and acoustic radiation are within the permissible range. However, the computer display caused visual fatigue is a noteworthy thing, the computer fluorescent screen constantly changing and rolling up and down the various characters will *** eyes, eyes have a certain amount of damage. In addition, due to the placement of the computer indoor environment positive and negative ion imbalance can also cause users to autonomic nervous disorders, depression and so on. Experts pointed out that a reasonable diet to help prevent computer operators from suffering from "computer disease". The main breakfast should be eaten to ensure that there is sufficient nutrition and calories to maintain high energy; Chinese food should be eaten more protein high food; dinner is light, eat more high fiber food, but also consciously choose to protect the eyes of the food, to prevent myopia or other eye diseases.

Ammonium bicarbonate and methanol are harmful to the human body

Ammonium bicarbonate is a kind of fertilizer, right, this kind of fertilizer will volatile ammonia, the mucous membrane of the human eye and the nasal mucous membrane has a very strong *** sex, long-term exposure to such an environment will make people tear body discomfort.

Methanol is often called formalin (for storing corpses). It can destroy various proteases in the human body. It is 100% doomed if you don't eat a lot of raw eggs and fresh milk immediately after ingesting it by mistake!