Children Cancer and Environmental Factors Viewed from the 7th Anniversary of Japan's "3/11" Earthquake

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Japan's "3.11" earthquake anniversary 7

Yesterday (March 11) Japan ushered in the "3.11" earthquake 7 anniversary. In the morning, residents of Miyako-city, Iwate Prefecture conducted an evacuation drill to simulate a tsunami, informing them that the quake was a signal. The citizens evacuated to a nearby middle school, where they cooked and set up temporary facilities.

A woman was killed by the " 3 · 11 " earthquake on the seashore

Review of events

At 14:46 on March 11 2011 in northeastern Japan, the Pacific Ocean, where a strong earthquake of magnitude 9.0, the quake triggered huge tsunami caused devastating damage to northeastern Japan, Iwate, Miyagi, Fukushima Prefecture and other places , and triggered the nuclear leakage at the Fukushima Daiichi nuclear power plant. This is the worst nuclear power plant accident after the Chernobyl nuclear accident in 1986 (the highest level of the 7th largest accident in the international nuclear event scale), resulting in a total land area of ​​Japan. 3% of the region was trapped in nuclear pollution, with about 16,000 dead and 2539 missing.

3.11 Japan Earthquake

After the accident, the Japanese government announced that 18 water purification plants in Tokyo and five other prefectures have detected that iodine -131 exceeds the safety limit for infants. At the same time, within the range of 320 kilometers around Fukushima , there are spinach, tea, milk, and fish. Shrimp and other radioactive contamination were detected.

In order to monitor the specific impact of the nuclear accident, the Fukushima prefectural government established a county public health management investigation committee. From October 2011 , the Fukushima prefectural government began regular inspections on the health status of children and adolescents in Fukushima under the age of 18 . Although the results of many investigations were very poor, the chairman of the committee, Star Beidou, declared that “thyroid cancer has not been significantly affected by the nuclear accident” and stated that “ 26 people who have been diagnosed have undergone surgery and are now In good condition."

Japan's cancer-bearing children and "lonely dead" old people have become disaster social problems

The whole process of diagnosis and treatment for cancer children requires family members, especially parents' participation and escort. However, due to Japan's "3.11" earthquake caused part of the loss of a loved orphaned children with cancer, this part of the orphan cancer showed higher levels of hope and more fear, helplessness and loneliness in coping with social networking, which became Japan disaster After the "lonely death" old man juxtaposed two major social issues.

Japanese lonely dead elderly residential house

Childhood Cancer and Environmental Factors

Cancer is a major health problem facing the world, each year about 130 people suffering from cancer at the age of 14 children in one million years old. Most of these are leukemia and central nervous system (CNS) tumors, both accounting for about 50% of all cancers in children . The cancer of children in Fukushima is not unrelated to the nuclear leakage caused by the 311 earthquake.

Children pray after the Great Earthquake in Japan

The most commonly cited causes of childhood cancer are the same as in adults: genetic abnormalities, ultraviolet and ionizing radiation, electromagnetic fields (EMF) , viral infections, certain drugs, food additives, smoking, drinking, and industrial chemicals and agrochemicals. The interaction between genetic and environmental factors is considered to be a key factor.

The current main point is that children's cancer may be related to exposure to environmental chemicals. Children may be exposed to carcinogenic compounds at the time of the fetus, and may be exposed to carcinogenic compounds by drinking contaminated water and pesticide residues on fruits and vegetables after birth. On a weight scale, children inhale more air, drink water, and eat more food than adults. In this sense, children are also exposed to more toxic substances than adults.

Conclusion

As the future of human beings and nations, children deserve more attention for their physical and mental health. After the seventh anniversary of Japan, Fukushima will soon become a “ghost”. From various reports, the Japanese government has not resolved well. The physical and psychological harm caused to the children by the earthquake and nuclear leaks did not heal because of time. Instead, it caused more social "complications" because of the time.

How will Japan resolve this? It is worth our continued attention and reference.

This article was originally created by China Rescue Equipment Network. Please indicate the link.

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Turning is machining that is generally conducted on a lathe. To make it easier to comprehend turning, imagine the machining of a car shaft for example. The workpiece is held by both ends and rotated. Then a tool on a tool post or, if manual, held by hand is moved into the workpiece to carry out the machining.

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Milling is opposite to that of turning.(major product:  pcd inserts   PCD Cutting Inserts PCD Milling Inserts  PCD Grooving Inserts) When milling the workpiece is stationary and the tool is rotated. As the tool rotates one or more of the cutting edges engages with the workpiece and removes material. Therefore due to the action of the cutting edges coming into and out of contact with the workpiece the machining is interrupted machining. As the cutting edges engage and disengage with the workpiece the cutting edges are subjected to severe thermal shock. This is due to the rapid temperatures increase due to friction during the cut and rapid cooling as this cutting edge disengages from the workpiece. Therefore, to enable and achieve highefficiency machining, cutting tool manufacturers strive to improve and develop tool materials and cutting edge geometries. For milling, it is important to select a tool grade material that can withstand severe working conditions and a cutting edge geometry that can maximize the performance of the cutter.

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