Kev cai lij choj, Health thiab kev nyab xeeb
Lub ntsiab yam tseem ceeb uas cuam tshuam qhov hluav taws kub. Thawj thiab theem nrab yam rau hluav taws kub
Nyob rau hauv hnub no lub ntiaj teb no, cov kev ruaj ntseg ntawm txhua tus tib neeg yog ib yam ntawm qhov muaj feem thib tej yam kev mob ntawm cov hav zoov. Cuaj kaum, nws yog tam sim no sib txawv thiab tej yam ntuj tso qeeg nqa ib tug xov tooj tseem ceeb ntawm tib neeg lub neej. Ib qho ntawm feem txaus ntshai xwm txheej yog hluav taws kub. Cov khoom hais hauv qab no yuav pom tau tias nyob rau hauv kom meej yuav ua li cas lawv ua thiab muaj teeb meem rau tag nrho cov nyob yam rau yam.
Yuav ua li cas yog hluav taws kub?
Yuav pib, cia nrog lub heev txhais. Tej lub sij hawm no implies ib uncontrolled combustion txheej txheem, ua nyob rau hauv kev puas tsuaj rau ob lub cov ntaub ntawv uas muaj ntaub ntawv rau cov tib neeg, thiab kev txaus siab ntawm tag nrho cov xeev. Nyob rau hauv cov ntaub ntawv no, nws yog tseem tau kev puas tsuaj rau kev noj qab nyob thiab txawm ib tug kev hem thawj rau lub neej ntawm cov pej xeem.
Cov kev faib rau ntawm qhov chaw ntawm hluav taws
Niaj hnub nimno xyaum sij nram no:
1. Underground hluav taws kub.
2. tom hav zoov.
3. Teb.
4. Tus txiv neej-ua.
5. hluav taws kub nyob rau hauv lub tsheb.
6. hluav taws kub hauv vaj tse.
Nws yuav tsum tau muab sau tseg hais tias lub yav tas, nyob rau hauv lem, muab faib mus rau hauv sab nraud, sab hauv thiab domestic. Txhua yam ntawm cov pawg qhia ib co peculiarities thiab pom qhov txawv nta.
Lub division rau hauv cov chav kawm
Tej systematization yog raws li nyob rau hauv qhov qee ntawm cov pab pawg zoo li no thaj chaw ntawm cov ntaub ntawv nws hlawv. Cov ntaub ntawv nyob rau hauv chav kawm ntawv thiab subclasses rau ib qho yooj yim assimilation muaj qhia nyob rau hauv lub rooj hauv qab no.
| Cim hluav taws hauv chav kawm ntawv | Tshuaj yuav raug combustion | Cim hluav taws subclass | Cov yam ntxwv ntawm cov ntaub ntawv |
| A | khoom cov ntaub ntawv | A1 | Khoom cov ntaub ntawv. Hlawv yog nrog los ntawm kev ntawm lwj piv txwv ntawm cov ntaub ntawv: ntoo, ntawv, textiles |
| A2 | Khoom cov ntaub ntawv. Tsis muaj hniav lwj txheej txheem. Piv txwv ntawm tshuaj: yas | ||
| Cov | kua | B1 | Kua dej-insoluble substance. Piv txwv li, roj roj zauv feem ntawm txawv Liquefies khib nyiab (paraffin) |
| B2 | Dej-soluble kua tshuaj. Piv txwv li, methanol, glycerol thiab lwm yam | ||
| C | Gaseous tshuaj. Piv txwv li, tej yam ntuj tso roj, hluav taws roj zeb, hydrogen, thiab lwm yam | ||
| D | co | D1 | Lub teeb hlau. Piv txwv li, magnesium, txhuas, thiab alloys zoo li. Qhov no subclass tsis thov combustion alkali hlau |
| D2 | Alkali hlau, thiab cov zoo li. Piv txwv: sodium, lithium thiab lwm yam | ||
| D3 | Hlau-muaj tebchaw. Qhov no subclass muaj xws li hybrids thiab hlau organometallics |
ua rau
Tom qab kev kawm hluav taws faib nyob rau hauv Ntxiv nrog rau qhov yuav tsum tau mus xav txog nyias cov yam tseem ceeb uas ua rau tej zaum yuav yog qhov hluav taws kub. Ib qho ntawm feem ntau yog vim li cas rau cov uas muaj ib tug tua hluav taws, ib tug lwj liam tuav ntawm hluav taws. Nezatushennaya luam yeeb, ib tug childish prank los yog hlawv khib nyiab - txhua tus ntawm cov kev ua yuav ua rau uncontrolled combustion, namely hluav taws. Qhov thib ob qhov zoo tshaj yog lub rov tshwm sim ntawm lub qhov hluav taws yog pom tias yuav tau coob leej ntau tus nyob rau hauv ntau cov chaw ntau lawm. Qhov no tsis raws kev cai nrog kev cai thiab cov kev tswj ntawm lub ntau yam khoom thiab hluav taws xob sib. Raws li ib tug tshwm sim, luv luv circuits thiab lwm yam tshwm sim uas ua rau kom cov tsos ntawm lub txim tawm. Thiab nws, nyob rau hauv lem, yog feem ntau yuav loj hlob mus rau hluav taws. Los ntawm txoj kev, txij thaum kuv tau kov raws li qhov muaj paug, nws yog tsim nyog los hais cov nram qab no nyob rau hauv qhov ua rau ntawm qhov hluav taws kub hearth. Ntawm cov hoob kawm, qhov no atmospheric phenomena, xws li nag xob nag. Ib tug xob strike nyob rau hauv lub tsev, uas muaj combustible tshuaj nrog ib tug txaus siab tshwm sim tej zaum yuav ua rau muaj hluav taws kub. Txawm li cas los, xob laim - lub phenomenon tsawg txaus los npaj rau lawv cov tsos.
Txawm li cas los, leej niam Xwm yuav muab pov, thiab lwm yam mischief. Nws yog zoo-paub cov kev cai ntawm rog xav txog ntawm lub teeb flux los ntawm tus nto, vim hais tias lawv yog koom nyob rau hauv txoj kev tshawb no tseem nyob rau hauv high school. Tab sis lub tswv yim daim ntawv thov ntawm cov kev cai lij choj yuav ua tau dejnum cuam tshuam rau tus txiv neej-ua ib puag ncig ntawm niaj hnub lub zos. Piv txwv li, vim hais tias ntawm cov yam ntxwv ntawm cov architecture ntawm vaj tse tej zaum yuav ib tug thiaj li hu ua kho qhov muag system uas sau lub tawg tshav ntuj mus rau hauv ib tug concentrated beam. Qhov kub rau ntawm qhov chaw uas ib tug duab tshav yuav poob maj pib mus rau sawv. Thiab nyob rau tej taw tes nce mus txog lub melting point los yog autoignition khoom. Qhov hluav taws kub tej zaum yuav tshwm sim raws li ib tug yuav tau txais. Nws yuav tsum tau muab sau tseg tias cov txawj tiv cav tseb cov ntaub ntawv thiab tshuaj muaj feem xyuam rau ib tug nyias muaj nyias ib pab pawg neeg ntawm ua rau tuag taus noj qab haus huv rau lub sijhawm thiab cov neeg.
riam phom
Nyob rau hauv tas li ntawd rau tag nrho cov saum toj no yog vim li cas, hluav taws kub muaj peev xwm tshwm sim raws li ib tug tshwm sim ntawm txhob txwm riam phom. Nyob rau hauv xws li mob, muaj yog ib txwm cov teg num ntawm ib tug los yog ntau tshaj cov neeg. Ntawm cov hoob kawm, txhua txhua niaj hnub muaj neeg nyob li metropolis paub tias tej yam ua muaj caum lub tam sim no txoj cai. Txawm li cas los, tej zaum ib txhia ntawm no fact tsis nres.
heev dab
Rau cov qeb tshwj xeeb uas yuav ua rau muaj hluav taws kub, yog tseem yog ib tug ntau yam ntawm muaj xwm ceev. Raws li ib tug tshwm sim, ib tug me me yuam kev tej zaum yuav tshwm sim tawg ntawm tej combustible khoom.
Lub ntsiab yam tseem ceeb uas cuam tshuam hluav taws
Nyob rau hauv cov ntaub ntawv ntawm thaum muaj xwm ceev, tej zaum yuav rau thaum tshav kub kub qhov twg los, uas nyob rau hauv lem muaj ib co cim nta. Lawv hu ua "yam rau qhov hluav taws kub." Cov no yog cov tej yam kev mob nyob rau hauv uas tau kev puas tsuaj rau vaj tse thiab raug mob rau ob leeg noj qab haus huv thiab lub neej ntawm cov pej xeem. Tam sim no muaj yam nram qab no rau hluav taws kub: thawj thiab. Raws li lub npe paub licas hais, nyob rau hauv thawj pab pawg neeg rank cov tej yam kev mob nyob rau hauv uas muaj yog active kev loj hlob ntawm lub combustion txheej txheem. Yog li, los ntawm ua yam xws li hluav taws kub taws, txim taws, siab ambient kub. Yuav kom theem nrab, nyob rau hauv lem, yuav mus rau dab thiab phenomena tshwm sim raws li ib tug tshwm sim ntawm lub lag luam tej yam kev mob ntawm thawj pab pawg neeg. Feem ntau, cov hluav taws rau yam xws li pa luam yeeb cov ntsiab lus, uas tsis muaj oxygen cov ntsiab lus, tus tsim ntawm tshuaj lom combustion khoom, thiab lwm yam tsis zoo txim. Xav txog txhua yam ntawm cov yam tseem ceeb yav tas los nyob rau hauv kom meej.
Cov nplaim taws thiab tshav kub flux
Raws li hais ua ntej lawm, mus rau lub ua yam xws li hluav taws kub sparks thiab hluav taws, uas muaj peev xwm rightly yuav suav hais tias yog thawj ua ntawm ib tug tua hluav taws mas. Nplaim nyob rau hauv daim ntawv ntawm ib tug qhib uncontrolled hluav taws yuav ua rau ib tug tseem ceeb kev hem thawj rau lub noj qab haus huv thiab lub neej ntawm cov neeg nyob rau hauv lub tam sim ntawd cheeb tsam. Ntxiv mus, xws li ib tug tua hluav taws rau yam ua rau kom kis ntawm lub yav tas. Thermal tawg, raws li ib feem ntawm cov tej yam kev mob yav tas los piav, tso cai rau kom maj mam sov ib puag ncig, uas nyob rau hauv lem muab cov nplaim taws rau ho ua rau kom cov kab kev los ntawm cov kab mob tag cheeb tsam.
Cov tshuaj tiv thaiv cov khoom
Lub combustion txheej txheem, ib yam li lwm yam tshuaj tshua, ua tej yam tshuaj. Txawm li cas los, nws yuav tsum tau nco ntsoov hais tias hais tias raws li ib tug tshwm sim los ntawm ntau yam tebchaw tsim. Nyob rau hauv lub tswv yim ntawm cov kws txawj, tawm ib tug tua hluav taws thiab tej yam zoo heev tej yam tshuaj lom uas pom tias txaus ntshai rau lub qub neej ntawm cov neeg. Cov no tebchaw tau nyob rau hauv lub chav kawm ntawm tshuaj tshua feeb xws li carbon dioxide thiab cov pa roj carbon monoxide, thiab hydrogen chloride. Nws yog ib qho tseem ceeb kom paub hais tias txawv teb chaws ntawm cov saum toj no-hais combustion khoom kuj rank raws li ib tug tshuaj hu ua hydrogen cyanide. Nco ntsoov hais tias cov no yog cov yam rau hluav taws kub yog tsis tshua muaj neeg lom, li ntawd, txawm lub slightest ntawm kev sib cuag nrog tib neeg lub cev yuav ua rau puas tsuaj.
txo visibility
Raws li cov lus hais tias mus, "yog tsis muaj pa luam yeeb tsis muaj hluav taws." Yog hais tias cov nplaim taws yog heev npaum li cas? Nyob rau hauv xws li ib tug cov ntaub ntawv nws yog tsim nyog yuav tau nco qab qhov hluav taws kub rau yam tseem ceeb xws li pa luam yeeb "ntaub" muaj plav hais ntawm khoom thiab kua tshuaj. Koj yuav tsum paub hais tias qhov no qeb yuav los ua ib tug ua ntawm ob ib tug tseem ceeb deterioration nyob rau hauv visibility, thiab txo tau kom tsawg kawg nkaus tau feem pua ntawm cov pa nyob rau hauv nyob tus yeees ntawm cov ib puag ncig. Vim mus rau saum toj yam lub teeb penetrates heev npaum li cas tsim ib qho chaw khuam. Thiab cov neeg ntes tau nyob rau hauv cov nplaim taws tsev yuav tsis yog nrhiav tau ib txoj kev tawm. Yog li, peb yuav xaus uas cov pa luam yeeb thiab lub tom ntej deterioration ntawm visibility - nws yog tsis yog li ntawd yus yam rau qhov hluav taws kub thiab explosions, raws li ib tug puas siab puas ntsws barrier. Tom qab tag nrho, nws tiv thaiv cov ceev ceev thiab zoo khiav tawm ntawm lub tsev nruab nrab yog ib tug txaus ntshai. Feem ntau cov neeg uas nrhiav tau ib txoj kev tawm mus rau qhov hnyav pa luam yeeb chav tsev, nrog siab yuav qhov muaj tseeb, yuav tig rov qab thiab sim mus nkaum nyob rau hauv lub yav dhau los hauv chav tsev.
Ib tug tseem ceeb nce nyob rau hauv kub
Sawv daws yeej paub hais tias, nyob rau hauv tas li ntawd mus tshuaj tebchaw tsim thaum lub sij hawm lub chav kawm ntawm lub combustion cov tshuaj tiv thaiv tshav kub tso tawm. Ntxiv mus, nyob rau hauv tseem ceeb ntau. Yog hais tias thaum pib ntawm qhov hluav taws kub, huab cua kub yuav tsum nyob ib ncig ntawm 200-300 degrees, thaum nws feem ntau tug theem ntawm cov nplaim taws heats cov ib puag ncig mus txog 900 ° C! Qhov mob tshwm sim los mus rau ib tug neeg nyob rau hauv xws li ib tug cov ntaub ntawv, koj yuav xam los ntawm tshuaj ntsuam lub ntsiab yam tseem ceeb uas cuam tshuam qhov hluav taws kub nyob rau hauv no. Raws li ib tug txoj cai, nws yog ib lub humidity, cov tej yam kev mob ntawm cua, plav particulate teeb meem thiab tshaj.
Similar articles
Trending Now