Video: Dab tsi yog pob zeb uas muaj qhov sib xyaw ntawm hydrocarbons hu ua?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Pob zeb puv nrog sib tov ntawm hydrocarbons yog hu ua . Roj Shale.
Raws li txoj cai, cov tshuaj sib xyaw ua ke tau los ntawm cov roj hu ua dab tsi?
Total petroleum hydrocarbons , los yog TPH, yog cov tshuaj sib xyaw ua ke los ntawm cov roj av. TPH compounds yog ib feem ntawm ib pawg loj ntawm cov kab mob hu ua roj thiab roj uas muaj roj thiab roj yam tsis tau muab los ntawm cov roj crude, xws li tsiaj rog thiab roj ua noj.
Tsis tas li ntawd, lub teb chaws twg yog thee nplua nuj thiab roj tsis zoo? Is Nrias teb: nplua nuj hauv thee tab sis pluag hauv zog.
Ua raws li qhov no hauv kev xav, thaum koj noj zaub mov koj lub cev siv lub zog tshuaj?
Thaum koj noj mov , koj lub cev siv tau lub zog tshuaj hauv cov zaub mov ua koj cov leeg mus li ntawd koj tuaj yeem ua pa, taug kev, khiav, dhia, nqa khoom, thiab ua txhua yam tus lwm yam koj yuav tsum ua kom nyob. Lub zog tshuaj hauv cov zaub mov tau hloov mus rau hauv tus txhua yam zog of txav cov leeg. Cov txheej txheem: 1.
Kev tsim cov roj sib txawv li cas ntawm kev tsim cov thee quizlet?
Roj yog kua hydrocarbon uas yog tsim thaum lub pob zeb siab nyob rau hauv cov organic carbon yog raug tshav kub thiab siab. Coal yog pob zeb uas muaj cov organic carbon ntau, tsim nyob rau hauv cov av qis qis.
Pom zoo:
Yuav ua li cas yog qhov tsawg kawg nkaus pob zeb npog nyob rau hauv mm ntawm ib tug cam khwb cia nyob rau hauv qhov chaw pob zeb tso tawm tsam thiab mus tas li raug rau lub ntiaj teb?
Table-1: Yam Tsawg Npog Thickness rau Cast-in-Place Qhob Hom kev tsim ua vaj tse hla, hli Qhob nrum tiv thaiv thiab txuas mus tas li nrog hauv av 75 Pob zeb sib chwv nrog av lossis dej No. 19 txog No. 57 tuav 50 No. 16 bar thiab me dua 40
Dab tsi txaus ntshai zoo kawg li nws yog qhov peb yuav tsum tau khawb trenches thiab sim cov roj npog qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob hauv lub tebchaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi?
Qhov txaus ntshai npaum li cas, zoo heev, zoo kawg yog tias peb yuav tsum tau khawb trenches thiab sim roj-qhov ncauj qhov ntswg ntawm no vim muaj kev sib cav nyob rau hauv ib lub teb chaws nyob deb ntawm cov neeg uas peb tsis paub dab tsi. Nws zoo nkaus li tseem tsis yooj yim dua tias kev sib cav uas twb tau hais tseg hauv txoj cai yuav tsum yog kev ua tsov rog
Dab tsi yog qhov txawv ntawm pob zeb pob zeb thiab cov cement slab?
Qhov sib txawv ntawm cov cement thiab pob zeb Txawm hais tias cov ntsiab lus cement thiab pob zeb feem ntau siv sib hloov, cov cement yog cov khoom xyaw ntawm cov pob zeb. Lub pob zeb yog qhov sib xyaw ntawm cov khoom sib xyaw thiab muab tshuaj txhuam. Cov aggregates yog xuab zeb thiab gravel los yog crushed pob zeb; cov tshuaj nplaum yog dej thiab portland cement
Dab tsi yog qhov sib xyaw zoo tshaj plaws rau cov pob zeb pob zeb?
Kev sib xyaw ua ke ntawm 1 feem ntawm cov cement: 2 qhov chaw xuab zeb: 4 qhov sib xyaw ua ke (los ntawm ntim) yuav tsum tau siv rau kev taw qhia. Cov pob zeb yuav tsum tau muab tso rau hauv ib nrab ib teev ntawm kev sib tov.Brickwork - Muab koj cov pob zeb tso rau hauv koj lub trench
Dab tsi yog qhov taw qhia ntawm pob zeb pob zeb?
Ib tug footing yog muab tso rau hauv qab ntawm Frost kab thiab ces cov phab ntsa ntxiv rau saum. Qhov taw qhia yog dav dua phab ntsa, muab kev txhawb nqa ntxiv ntawm lub hauv paus ntawm lub hauv paus. Lub hauv paus T-shaped yog muab tso rau thiab tso cai rau kho; thib ob, cov phab ntsa yog tsim; thiab thaum kawg, lub slab yog nchuav ntawm phab ntsa