In March 1998, at the first meeting of the Ninth National Committee of the CPPCC, 15 members of the Social Welfare Unit proposed the “About Proposal to Establish Love†in response to the fact that the incidence of deafness in China is high, the number is large, the harm is great, and the prevention is weak. Proposal No. 2330 of the Ear-day Promotion Campaign. This proposal has aroused the attention of the relevant departments. It has been agreed upon by the China Disabled Persons Federation, the Ministry of Health and other 10 departments that the March 3rd of each year will be the national day.
There are 20.57 million disabled people with deafness in China. The number of congenitally disabled children born each year accounts for about 4% to 6% of the total number of births. The number of newly born deaf people due to drugs, genetics, infections, diseases, etc., increases by approximately 30,000 a year; that is, for people with hearing impairments, up to 20.57 million! It accounts for 1.679% of the population. Among them, there are up to 800,000 deaf children under the age of 7 and 9.49 million for the elderly. To this end, the Ministry of Health and the China Disabled Persons’ Federation require “to spread scientific knowledge on prevention and disability in the whole society, and to strengthen comprehensive prevention and treatment measures, such as premarital health care, maternal health care, infant health care, and early intervention, to prevent and reduce birth defects and disabilities. ("China's Action Plan for Improving the Quality of Birth Health, Reducing Birth Defects and Disability (2002-2010)")
In order to reduce the incidence of deafness and to control the growth of the number of newborn children, prevention is particularly important. In 1999, the Ministry of Health promulgated the “Standard for the Clinical Use of Commonly Used Ototoxic Drugs†and increased the use of ear poisons.
Standardized management of clinical use of sexual drugs. In response to the fact that the incidence of deafness in China is high, the number is large, the harm is great, and the prevention work is weak, the Ministry of Health, the Ministry of Education, the Ministry of Civil Affairs, the National Family Planning Commission, the State Bureau of Quality and Technical Supervision, the State Drug Administration, the State Administration of Radio Film and Television The 10 National Committees, the All-China Women’s Federation, the China Association for the Aging, and the China Disabled Persons’ Federation have jointly determined that the 3rd of March each year is the country’s ear day.
The 18th "National Day of the Ear" theme on March 3, 2017: "Fighting against verbal abuse, precise service"
Human hearing is extremely fragile. It is very similar to the brain. Both hair cells in the ear and neurons in the brain cannot be regenerated, so the deafness is not far from us. To prevent deafness, we must guard against the “listening thief†in our daily life.
Thief one:
Working pressure
With the acceleration of the pace of life, people's working pressure is increasing day by day. Sudden deafness caused by mental factors is not uncommon.
Experts advise: Sudden deafness patients must seek medical treatment in time, to strengthen the exercise on weekdays, enhance physical fitness, pay attention to work and rest, stay up late, drink less, smoke less, do not overwork.
Thief 2: In-ear headphones
The subway and buses have a background noise of 70 decibels. People in this environment will unconsciously increase the volume of the headphones, and the human ear will receive high-decibel volume for a long time, which may cause permanent and irreversible hearing loss.
Experts remind: the international often use "60 ~ 60 principles" to protect hearing, that is, headphone volume decibel must be less than 60 decibels, earphone volume must be less than 60% of the maximum volume, continuous use of the headset time must be less than 60 minutes. At the same time, it is best not to wear headphones in buses, subways, and other noisy environments.
Thief III:
Bad habits
1. When many people blow their noses, they like to hold both sides of their noses at the same time. This will cause the nose to “surf into†the middle ear and make the organs in the middle ear “drowningâ€, resulting in hearing damage. 2. Some inaccuracies The ear-pick-up posture, such as using sharp objects such as toothpick, needle, and hairpin, can easily cause tympanic membrane perforation; 3. Unsterile earpick or other unclean items can cause inflammation of the external auditory canal.
The expert reminds: Once hearing is damaged, ask the patient to seek medical treatment immediately, so as not to miss the best treatment time.
Thief IV: "Three Highs"
Unhealthy eating habits can easily lead to hyperglycemia, hypertension, and high blood lipids. It has been reported in the literature that the incidence of deafness in diabetics is higher than that of normal people. This is because "three highs" damage the cells and nerves in the ear, and the process of deafness is slow and difficult to detect.
Experts reminded: For "three high" patients, life should pay attention to active treatment, control the "three high" condition; regularly go to the hospital to check blood sugar, blood pressure and blood lipids to maintain a healthy diet and rest.
When installing security Outdoor Camera, you should first choose the monitoring host. Do you want to add a monitoring card to your computer, or do you want to use an embedded hard disk recorder as your monitoring host. The computer monitoring card is more suitable for places that are familiar with computer installation, have professional personnel on duty, and have more functional requirements. Its overall investment is relatively low. Since the monitoring card is installed in the computer, the computer needs to be started 24 hours a day; As for the latter, it does not require professional knowledge, nor does it need to be on duty, and it is relatively simple to operate.
To install security monitoring equipment, it is necessary to determine how many cameras are installed, and the quality and monitoring range of the cameras are affected. It is preferred to determine how many cameras are used for monitoring, and then determine the camera lens monitoring range according to how many cameras are available. Therefore, the distance from the camera to the monitoring point and the monitoring area must be clear. The infrared supply network recommends using the camera of 480 TV line, because it is more in line with that definition.
When installing security monitoring equipment, the third consideration is whether the camera has night vision function. If the monitoring is installed in a dark place, it is necessary to consider using a camera with infrared night vision function.
The security monitoring equipment can be installed via wired or wireless transmission. Although the cost of wireless network is relatively high, it can save a lot of installation trouble and make the monitoring site more beautiful. However, the installation of wireless network monitoring equipment should take into account the environmental problems of security sites. Cement building materials will shorten the wireless transmission distance, and metal building materials may complete the shielding of wireless signals. The infrared transmitter and infrared receiver should be far away from other appliances to avoid interference. Because the price of wireless network is almost twice that of wired transmission monitoring equipment, I suggest using wired transmission installation.
On site monitoring and network monitoring When determining the installation of the monitoring system, you should consider whether you need network functions. That is, if you need to monitor and control the monitoring site on the Internet at any time, you need to select a monitoring host with network functions. Avoid no network transmission function after installation.
A complete security monitoring equipment should at least have three parts: surveillance camera, PTZ and decoder. The following are their installation methods:
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