Nyob hauv lim lim b.o.d. raug txo kom?

Cov txheej txheem:

Nyob hauv lim lim b.o.d. raug txo kom?
Nyob hauv lim lim b.o.d. raug txo kom?
Anonim

E. 95%

Vim li cas kev rov ua kom rov ua tiav hauv lub lim dej?

Recirculation yog siv los txo cov organic loading, txhim kho sloughing, txo cov ntxhiab thiab txo lossis tshem tawm cov lim ya los yog cov teeb meem hauv pas dej. Tus nqi ntawm recirculation yog nyob ntawm tus qauv tsim ntawm cov nroj tsuag kho thiab kev ua haujlwm ntawm cov txheej txheem.

Dab tsi yog lim lim tshem tawm?

Trickling filters (TFs) yog siv los tshem tawm cov organic teeb meem ntawm cov dej khib nyiab. TF yog ib qho kev kho mob aerobic uas siv cov kab mob uas txuas nrog rau nruab nrab kom tshem tawm cov organic teeb meem ntawm cov dej khib nyiab.

Dab tsi yog qhov txo qis siab tshaj plaws ntawm BOD tau txais ntawm qhov hluav taws xob ntawm cov lim lim?

Kev piav qhia: Qhov siab ntawm BOD tau txais ntawm qhov hluav taws xob ntawm lub tshuab lim dej yog 20 mg / L. Qhov concentration ntawm TSS tau txais ntawm lub qhov hluav taws xob ntawm lub tshuab lim dej yog nyob ib ncig ntawm 20 mg / L. Qhov no yog tus nqi siab tshaj ntawm BOD lossis TSS uas tuaj yeem tau txais ntawm qhov tso zis ntawm lub lim lim.

Tus txheej txheem ntawm kev lim dej yog dab tsi?

Trickling lim yog tus txheej txheem kev loj hlob txuas nrog xws li txheej txheem uas cov kab mob ua lub luag haujlwm rau kev kho mob txuas nrog cov khoom ntim tsis zoo. Cov khoom ntim khoom siv hauv cov txheej txheem kev loj hlob muaj xws li pob zeb, pob zeb, slag, xuab zeb, redwood, thiab ntau yam yas thiab lwm yam khoom siv hluavtaws.

Pom zoo:

Nthuav cov khoom
Pob splanchnic paj hlwb synapse?
Nyeem ntxiv

Pob splanchnic paj hlwb synapse?

Cov hlab ntsha loj dua splanchnic taug kev los ntawm diaphragm thiab nkag mus rau hauv plab kab noj hniav. Nws fibers synapse ntawm celiac ganglia. Cov hlab ntsha txhawb nqa rau lub celiac plexus, lub network ntawm cov hlab ntsha nyob rau thaj tsam ntawm qhov chaw ntawm lub cev celiac ceg ntawm lub plab aorta.

Yuav coreopsis puas tawg rau lub caij ntuj sov?
Nyeem ntxiv

Yuav coreopsis puas tawg rau lub caij ntuj sov?

yog qhov kev xaiv zoo meej. Nrog ntau tshaj 80 hom coreopsis, muaj ntau yam kom haum txhua lub vaj tsim. Haiv neeg rau North America, coreopsis nroj tsuag loj hlob nyob rau hauv upright clumps thiab feature masses ntawm kaj, showy, daisy-zoo li paj thoob plaws lub caij ntuj sov.

Lub ntsiab lus ntawm kev hush up yog dab tsi?
Nyeem ntxiv

Lub ntsiab lus ntawm kev hush up yog dab tsi?

: tsi ntsiag to kuv hais rau nws kom txhob maj. slang txhais li cas? Koj hais 'Hush! ' rau ib tug thaum koj nug lossis qhia kom lawv nyob ntsiag to. Nkauj ruam ruam? "Tseem" yog lus Southern uas hais tias " shut up .