neutralization 中和
neutralizer 中和器
neutralizing coil 中和線(xiàn)圈
new construction vs retrofit 新建與改型
New Jersey Metro Fire Photographers Association 新澤西州大都市消防攝影員協(xié)會(huì)
New Jersey State Firemen's Mutual Benevolent Association 新澤西州消防員共享福利會(huì)
New York City Building Code Classification 紐約市建筑規(guī)范分類(lèi)法
New York City Fire College 紐約市消防學(xué)院
newel 中柱
Newton unit 牛頓單位
Newton 牛頓<米千克秒制中力的單位
Newton's law of cooling 牛頓冷卻定律
Newton's laws of motion 牛頓運(yùn)動(dòng)定律
Newtonian fluid 牛頓流體
NF = Norme Francaise 法國(guó)標(biāo)準(zhǔn)
NFA = National Fire Academy 國(guó)家消防
NFC = National Fire Codes 美國(guó)消防規(guī)范
NFDS = National Fire Data System 全國(guó)火災(zāi)數(shù)據(jù)系統(tǒng)
NFEA = National Federated Electrical Association 全國(guó)聯(lián)合電氣協(xié)會(huì)
NFFN= National Fuel Funds network 國(guó)家燃料基金網(wǎng)絡(luò)
NFIRS = National Fire Incident Reporting System 全國(guó)火災(zāi)事件報(bào)告系統(tǒng)
NFLDS = National Fire Loss Data System 全國(guó)火災(zāi)損失數(shù)據(jù)系統(tǒng)
NFPA 80A 美國(guó)消防協(xié)會(huì)推薦的一套計(jì)算建筑火災(zāi)問(wèn)題安全的專(zhuān)家程序
NFPA = National Fire Protection Association 美國(guó)消防協(xié)會(huì)
NFPA Boating Standards 美國(guó)消防協(xié)會(huì)小艇駕駛標(biāo)準(zhǔn)
NFPA Fire Incident Data Organization System 美國(guó)消防協(xié)會(huì)數(shù)據(jù)組織系統(tǒng)
NFPA Marine Standards 美國(guó)消防協(xié)會(huì)商船標(biāo)準(zhǔn)
NFPA-Requirements of Recommendations 美國(guó)消防協(xié)會(huì)的規(guī)定或建議
NFPCA = National Fire Prevention and Control Administration 國(guó)家消防火管理署
NFRC = National Forest Reservation Commission 國(guó)家森林保護(hù)委員會(huì)
NFRS = National Fire References 全國(guó)火災(zāi)參考
NFSA = National Fire Services Association 全國(guó)消防組織聯(lián)合會(huì)
NHTSA = National Highway Traffic Safety Administration 國(guó)家公路交通安全管理局
night blindness 夜盲
night hitch 戰(zhàn)備式戰(zhàn)斗服
night shift 夜班
night vision goggles 夜視鏡
night vision 夜視力
night watch 值夜班
night watchman 夜間值班的警衛(wèi)人員
nightclub 夜總會(huì)
NIIMS = National Interagency Incident Management System 全國(guó)多機(jī)構(gòu)不測(cè)事件管理體系
nimbostratus 雨層云
nimbus 雨云
NIOSH = National Institute for Occupational Safety and Health 全國(guó)職業(yè)安全與保健學(xué)會(huì)
NIST = National Institute of Science and Technology 美國(guó)科學(xué)和技術(shù)研究院
niter 硝石
nitor-glycerine-ammonium-nitrate powder 硝甘硝銨炸藥
nitrate explosive 硝酸鹽炸藥
nitrate 硝酸鹽
nitric acid 硝酸
nitrite rubber 腈橡膠
nitrite 亞硝酸鹽
nitro carbo nitrate 硝基碳酸復(fù)合物
nitroaniline 硝酸苯胺
nitrocarbonitrate  硝基碳硝酸鹽炸藥
nitrocellulose coating 硝酸纖維涂層
nitrocellulose 硝化纖維素
nitrochlorobenzene 硝基氯苯
nitrocotton 硝化棉
nitrogen dioxide 二氧化氮
nitrogen extinguishing installation 氮滅火設(shè)施
nitrogen family explosive 氮族炸藥
nitrogen oxide 一氧化二氮
nitrogen 氮
nitrogenous atmosphere 氮保護(hù)氣氛
nitroglycerine dynamite 硝甘炸藥
nitroglycerine explosive 硝甘炸藥
nitroglycerine gelatin 硝甘炸藥
nitroglycerine high explosive 硝化甘油基炸藥
nitroglycerine low-density powder 硝化甘油低密度炸藥
nitroglycerine powder 硝甘炸藥 粉狀硝化甘油炸藥
nitroglycerine safety explosive 硝化安全炸藥
nitroglycerine semi-gelationous explosive 硝化甘油半膠質(zhì)炸藥
nitroglycerine 硝化甘油
nitroglycerine-based explosive 硝化甘油基炸藥
nitromethane 硝基甲烷
nitrous fume 亞硝煙
nitrous oxide 一氧化氮
NMAB = National Materials Advisory Board 國(guó)家材料咨詢(xún)局
NO = normally open 常開(kāi)的
no fire emergency 非火災(zāi)緊急情況
no flow 不出水
no open flames 禁止明火
no smoking 禁止抽煙
no-fines concrete 無(wú)細(xì)�；炷�土
NOAA = National Oceanic and Atmospheric Administration 國(guó)家海洋和大氣局
NOAA Weather Station 國(guó)家海洋和大氣局氣象站
noble gas 稀有氣體
noble metal 貴重金屬
nocuous 有害的
node  節(jié)
noded spheroid 多弧水滴形油罐
nogging 木架磚壁
noise cancelling circuit 噪聲消除電路
noise cancelling 抗噪
noise control 噪聲控制