Cov khib nyiab ib txwm tshwm nyob rau hauv kev ua haujlwm ntawm txhua qhov chaw tsim khoom lag luam. Lawv txawv nyob hauv lawv hom thiab qib kev phom sij. Nws yog ib qho tseem ceeb heev kom xaiv lawv, nrog rau kev coj raws li txhua pawg pov tseg. Cov kws tshaj lij faib cov khib nyiab raws li kev cuam tshuam dab tsi thiab dab tsi theem kev nyab xeeb lawv muaj feem cuam tshuam rau ib puag ncig ntuj.
Kev txiav txim siab ntawm chav kawm phom sij
Txhua yam pov tseg thiab cov chav kawm phom sij tau teev nyob rau hauv Tsoom Fwv Cov Txheej Txheem Nom Tswv Txheej Txheem. Chav kawm txaus ntshai yog txiav txim siab los ntawm cov hauv qab no:
- thaum qhov kev sim, qhov tshwm sim ntawm qee yam kev khib ntawm cov nroj tsuag lossis cov tsiaj raug tshawb xyuas;
- cov khoom siv tau nkag siab zoo, cov tshuaj lom toxicological soj ntsuam tau nqa tawm, thiab xaus lus tau npaj raws li cov txiaj ntsig suav los;
- kev qhia kom paub tias muaj xwm txheej yog siv computer cov qauv kev paub.
Nyob rau hauv tag nrho, muaj plaub pawg ntawm cov khib nyiab uas ua kev puas tsuaj rau cov xwm txheej, tab sis yog tias khaws tsis raug thiab pov tseg, txhua qhov pov tseg yuav ua teeb meem rau ib puag ncig.
1 chav kawm phom sij
Hauv chav kawm no suav nrog cov khoom txaus ntshai tshaj plaws uas ua rau muaj kev phom sij loj tshaj plaws rau tib neeg kev noj qab haus huv thiab cov ib puag ncig ntuj. Cov no suav nrog cov qauv hauv qab no:
- tshuaj lom neeg;
- cov roj teeb fluorescent;
- txhua yam khoom muaj mercury.
Thaum muab cov khib nyiab pov tseg 1 chav kawm phom sij, txhua txoj cai yuav tsum ua raws cai. Ib qho yuam kev tuaj yeem ua rau muaj kev puas tsuaj ib puag ncig thiab txo lub neej. Ua ntej siv cov khoom no, lawv yuav tsum tau ua kom tsis muaj mob, tom qab ntawd lawv faus. Hmoov tsis zoo, tam sim no cov khib nyiab raug pov tseg tsis tswj tsis tau, yog li ntawd, ntau cov khoom muaj mercury feem ntau xa mus rau cov khib nyiab, uas ua rau muaj kev phom sij heev rau ib puag ncig.
2 txaus ntshai chav kawm
Cov khoom muaj nqis hauv pawg no tseem ua rau muaj kev phom sij ntau rau cov xwm txheej thiab tib neeg kev noj qab haus huv. Tom qab tso tawm cov tshuaj no mus rau hauv ib puag ncig, eco-tshuav yog li qub tsuas yog tom qab 30 xyoo. Chav kawm no suav nrog cov khoom pov tseg hauv qab no:
- roj teeb rechargeable;
- ntau cov kua qaub;
- khib nyiab los ntawm kev lag luam roj.
3 chav kawm kev xwm txheej
Pab pawg no suav nrog kev khib uas muaj mob pesnrab. Tom qab kev puas tsuaj los ntawm kev pov tseg xws li, lub xeev ntawm ib puag ncig yuav rov qab nyob hauv 10 xyoo. Qhov no suav nrog cov hauv qab no:
- sleepers impregnated nrog tshuaj;
khib nyiab tshuab roj;
- cov seem ntawm xim tsev thiab varnishes.
4 chav kawm kev xwm txheej
Pab pawg no muaj cov khoom siv pov tseg uas muaj qhov tsis zoo. Lawv muaj qhov tsis zoo ntawm qhov xwm, thiab kev kho kom rov zoo li qub hauv peb xyoos. Cov npe ntawm cov khib nyiab no suav nrog cov ntaub ntawv hauv qab no:
- ntoo khib impregnated nrog tshuaj;
- tsheb tsheb thiab log tsheb;
- xuab zeb paug nrog cov khoom siv roj;
- khib nyiab tom qab kev tsim kho;
- cov ntawv seem thiab cov duab los qhia;
- micro hmoov av ntawm cov pob zeb crushed, limestone;
- moj thee.
Raws li rau chav kawm 5 pov tseg, lawv xyaum tsis ua teeb meem rau ib puag ncig.
Cov yam ntxwv ntawm chav kawm 4 pov tseg
Xav txog ntau yam khoom pov tseg ntawm chav kawm muaj kev pheej hmoo ntawm qib 4, nws yuav tsum raug sau tseg tias lawv qhov kev phom sij tau txiav txim siab los ntawm kev txiav txim siab ntawm cov tshuaj phem hauv thaj chaw khaws cia ntawm cov khib nyiab no. Qhov tsom xam pom zoo yog 10 mg rau ib lub 'meter'. meter. Qib uas ua kom neeg tuag taus yog 50,000 mg rau ib sq. Cov tshuaj zoo li no cuam tshuam rau lub voj voos nrog lub voos xwm fab ntawm 54 meters. Qhov phom sij ntau tshaj plaws rau ib puag ncig thiab tib neeg lub neej yog los ntawm cov ntaub ntawv uas tau paug nrog roj. Txhua lub tuam txhab tuav pov tseg yuav tsum xaiv lawv cov txheej txheem pov tseg raws li chav kev nyab xeeb ntawm pov tseg.
