dependence on chemical pesticides. Many countries lose vast amounts of grain because of insect infestation and moulds. For roots and tubers, sprouting is the major cause of losses. Several countries, including Bangladesh, Chile, China, Hungary, Japan, Republic of Korea and Thailand are irradiating one or more food products (grains, potatoes, spices, dried fish, onions, garlic, etc.) to control fo
Ⅰ. 서론
어떤 통증이라도 이상적인 치료는 원인을 제거하는데 있다. 원인제거는 때로는 가능하지만, 진단 후 원인에 대한 적절한 치료가 시작된 다음에도 통증완화(pain subsides)전에 지연기간(lag period)이 있는 경우가 더 많다. 더욱이 너무 통증이 심해서 급히 효과적인 진통제가 필요한 경우도 있다(
reduced to a second endoperoxide PGH2 at the peroxidase site. Subsequent formation of prostaglandin end products from PGH2 depends on the presence of specific synthases that produce the functionally important prostanoids PGD2, PGE2, PGF2, PGI2 (prostacyclin) and TXA2 (thromboxane). These prostaglandins may undergo facilitated transport out of the cell by prostaglandin transporters (PGT) and ot
I. What is drug
When an individual persists in use of alcohol or other drugs despite problems related to use of the substance, substance dependence may be diagnosed. Compulsive and repetitive use may result in tolerance to the effect of the drug and withdrawal symptoms when use is reduced or stopped. This, along with Substance Abuse is considered Substance Use Disorders.
II. Varieties of
dose level of 10,000 Gy (10 kGy).
1895 Discovery of X-rays
1986 Discovery of natural radioctivity
1904 Describing the bactericide effects (MIT)
1918 US-Patent to use X-rays for the preservation of food
1921 Describing the elimination of Trichinella spiralis in pork using X-rays
1930 French patent on food irradiiation
1943 Become active in the field of food preservation for t