Address: Beijing's xizhimen south street, xicheng district
The British garden 1 floor. Room 824
Zip code: 100035
Telephone: 010-58562339
Fax: 010-58562339
Email address: cngjzj@163.com
Web site (click on the url link directly left) :
http://www.cngjzj.com/
Blog (click on the url link directly left) :
http://blog.sina.com.Cn/CNGJZJ
To xizhimen south street, xicheng district building to the British garden route
L airport line 1
Take the airport shuttle from the airport, the dongzhimen station transfer to metro line 2 to xizhimen direction and get off at xizhimen station, from C outbound, go straight to the east 100 meters on the right side to xizhimen south street, north to walk to the t-junction namely to the British garden 1 floor downstairs.
L airport line 2
From the capital airport take airport bus to xidan, get off at no.22, take a taxi to xizhimen south street English garden 1 floor.
L bus subway near:
106 bus GuanYuan: 107 road, express way
Bus: xizhimen south road 387, 44 road, inner ring 800, 816 road, inner ring 820, 845 road
Che zhuang: subway line two
Xizhimen subway: metro line 2
Buses and attempts: 107 road, 118 road, 701 road
Buses and north zhuang: 209 road, 375 road, 392 road
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Chinese health 中医保健 >>
Family health medicine 家庭
2012年12月25日
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大 中 小
As temperatures continue to fall, the mask began to sell like hot cakes. But, in the face of colorful and multifarious mask, you know how to choose? Experts tell us --
Based on the use of the selected respirator
China antibacterial association secretary general ZhangYingZeng
Sources: health
Mask as a kind of protective equipment, more and more get people's attention. Especially when the air pollution is serious, a lot of people go out to the mask. At this point, the mask in addition to warm outside, its main function is to protective bacteria, viruses, stop to PM2.5 as a representative of fine particles. At present, China's market is a lot of more phyletic, mask has the chemical preparation, heat preservation, sports and so on the different types of mask, can generally be divided into 5 kinds, people can choose according to their own use different types of mask.
Surgical mask material itself to bacteria, viruses no protective effect, the main purpose is isolation between patient and physician droplet transmission, no protection PM2.5 role.
N95 respirator materials mainly is upset non-woven fabrics, mainly for industrial dust, no antimicrobial effect. Because of the air isolation effect is good, also have blocking bacteria and fine particulate effect, but with poor permeability.
Fashion mask main material for non-woven fabrics and heat preservation cotton, but the heat preservation effect, can't stop bacteria, virus and particulates.
Activated carbon mask can effectively block the air benzene, formaldehyde, peculiar smell, the stench and other harmful gases, but for fine particles don't get effective barrier effect, can't stop of PM2.5 particles. Due to the activated charcoal itself is also a kind of grain, is likely to be the wearer suction, to suffer from chronic respiratory disease or for more, but this is a kind of harm. Usually activated carbon mask is mainly used for living room room decoration, peculiar smell deodorant, etc.
Full text links: http://www.jkb.com.cn/document/341029.htm?docid=341029&cat=09L&sKeyWord=null
