Cov txheej txheem:
- Puas yog lub raj mis dej fluoridated hauv UK?
- dej fluoridated nyob qhov twg?
- Puas muaj fluoride hauv North West dej?
- Pob Northumbrian dej ntxiv fluoride?
Video: Qhov twg hauv UK muaj cov dej fluoridated?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Ib feem ntawm lub tebchaws nrog cov txheej txheem fluoridation suav nrog Cumbria, Cheshire, Tyneside, Northumbria, Durham, Humberside, Lincolnshire, Nottinghamshire, Derbyshire, West Midlands thiab Bedfordshire.
Puas yog lub raj mis dej fluoridated hauv UK?
Cov Lus Qhia Cov dej ntim ntim, los ntawm cov qauv, yog tsis zoo li ua kom muaj txiaj ntsig tseem ceeb rau tag nrho cov tshuaj fluoride hauv cov zaub mov Askiv. Kev haus dej hauv lub raj mis uas muaj cov tshuaj fluoride tsis txaus ntseeg hauv qhov nyiam rau cov kais dej uas muaj fluoridated yuav ua rau tsawg dua li kev noj tshuaj fluoride hauv cov tub ntxhais hluas.
dej fluoridated nyob qhov twg?
Cov ntxhia fluoride tshwm sim naturally on earth thiab tawm ntawm pob zeb mus rau hauv av, dej, thiab huab cua. Tag nrho cov dej muaj ib co fluoride. Feem ntau, cov tshuaj fluoride hauv dej tsis txaus los tiv thaiv cov hniav; Txawm li cas los xij, qee qhov dej hauv av thiab cov dej ntws ntuj tuaj yeem muaj cov tshuaj fluoride siab heev.
Puas muaj fluoride hauv North West dej?
Cov khoom siv dej hauv North West yog ib txwm muaj fluoride tsawg- thiab ib txwm muaj tsawg dua 0.2mg fluoride ib liter. Qee cov khoom siv dej muaj cov tshuaj fluoride ntxiv kom nce qhov concentration mus rau 1.0mg ib liter.
Pob Northumbrian dej ntxiv fluoride?
teb yog yes, peb ua. Peb ntxiv fluoride rau ib ncig ntawm 40% ntawm cov dej hauv North East. Qhov kev txiav txim siab yog tias, thaum twg thiab qhov twg ntxiv yog ua los ntawm Public He alth England thiab Cov Tub Ceev Xwm Hauv Zos hauv peb cheeb tsam thiab peb ua raws li kev qhia los ntawm lawv.
Pom zoo:
Vim li cas cov dej phwj hauv lub Hoobkas ua rau muaj kev phom sij rau cov kab mob hauv dej?
Cov kab mob paug paug los ntawm cov dej phwj tuaj feem ntau ua rau nyob rau hauv cov kab mob sib kisuas kis tau cov dej hauv dej thiab cov neeg hauv av los ntawm dej haus. Organic teeb meem thiab cov as-ham ua rau muaj kev nce hauv aerobic algae thiab depletes oxygen los ntawm cov dej.
Nyob hauv dej hiav txwv atlantic qhov twg yog qhov dej hiav txwv yau tshaj nyob?
tus tub hluas tshaj plaws nyob rau hauv dej hiav txwv nyob qhov twg? Lub nkoj yau tshaj plaws yog yuav luag nyob nruab nrab ntawm Dej Hiav Txwv Atlantic. Cov hnub nyoog yau tshaj txuas ntxiv tag nrho qhov ntev ntawm qhov nruab nrab ntawm lub pas dej hiav txwv.
Dej fluoridated nyob qhov twg?
Ib feem ntawm lub tebchaws nrog cov txheej txheem fluoridation suav nrog Cumbria, Cheshire, Tyneside, Northumbria, Durham, Humberside, Lincolnshire, Nottinghamshire, Derbyshire, West Midlands thiab Bedfordshire Tag nrho cov ntsiab lus ntawm qhov twg ntawm cov pejxeem nyob rau hauv cov cheeb tsam no tau muab tom qab nyob rau hauv nqe lus no ntawm Ib tug nyob rau hauv ib lab .
Qhov dej ntws tshwm sim nyob qhov twg hauv lub voj voog dej?
Runoff yog ib feem ntawm lub voj voog dej uas cov dej ntws los ntawm thaj av raws li cov dej saum npoo av tsis yog nqus mus rau hauv av lossis evaporating. Cov dej ntws tawm hauv tsis muaj kev tswj hwm qhov dej ntws, dej ntws, cov dej ntws thiab cov kav dej .
Cov txheej txheem twg ntawm cov kwj dej kais dej nqus cov khoom noj?
Mucosa. Lub mucosa, tsim los ntawm cov kab mob yooj yim epithelium, yog txheej sab hauv ntawm txoj hnyuv (GI) ib puag ncig. Nws yog qhov nqus thiab secretory txheej ntawm GI ib puag ncig . txheej dab tsi absorbs as-ham? Lub luag haujlwm tseem ceeb ntawm txoj hnyuv meyog qhov nqus ntawm cov as-ham thiab cov zaub mov muaj nyob hauv cov zaub mov.
