Yuav Ua Li Cas Thiaj Txiav Txim Siab Chav Kawm Ntawm Qhov Phom Sij Phom Sij

Cov txheej txheem:

Yuav Ua Li Cas Thiaj Txiav Txim Siab Chav Kawm Ntawm Qhov Phom Sij Phom Sij
Yuav Ua Li Cas Thiaj Txiav Txim Siab Chav Kawm Ntawm Qhov Phom Sij Phom Sij

Video: Yuav Ua Li Cas Thiaj Txiav Txim Siab Chav Kawm Ntawm Qhov Phom Sij Phom Sij

Video: Yuav Ua Li Cas Thiaj Txiav Txim Siab Chav Kawm Ntawm Qhov Phom Sij Phom Sij
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Hlis ntuj nqeg
Anonim

Lub tswvyim ntawm "chav kawm txog kev kub ntxhov hluav taws" sib txawv ntawm "qeb kev phom sij ntawm hluav taws", uas ua ke nrog cov yam ntxwv ntawm kev tsim khoom. Thawj lub tswv yim ua kom tiav lub ntsiab lus ntawm tom kawg, thiab yog li nws cov kev faib tawm yog nqa tawm nyias rau txhua qhov ntawm cov txheej txheem ntau lawm, rau tag nrho nws cov khoom siv uas tuaj yeem ua rau thiab txhawb cov chav kawm ntawm qhov hluav taws kub.

Yuav ua li cas thiaj txiav txim siab chav kawm ntawm qhov phom sij phom sij
Yuav ua li cas thiaj txiav txim siab chav kawm ntawm qhov phom sij phom sij

Cov Lus Qhia

Kauj ruam 1

Qhia qhov sib txawv ntawm cov chav kawm phom sij, qhia kom meej los ntawm cov tshuaj, khoom siv, khoom siv, xaim hluav taws xob, cov txheej txheem ntawm lub tsev.

Kauj ruam 2

Nco ntsoov tias txhua yam tshuaj raug faib ua 4 chav kawm.

Hauv cov npe ntawm chav kawm 1 cov hluav taws tsim kev puas tsuaj, suav nrog cov khoom tawg uas muaj suab nrov qis qis qis sib haum ua rau muaj kev kub ntxhov tiag tiag ntawm hluav taws lossis tawg (hauv qab 15 g ib cubic meter). Cov tshuaj zoo li no yog sawv cev los ntawm leej faj, rosin, naphthalene, peat hmoov av, zeb hmoov av, ebonite hmoov av.

Kauj ruam 3

Hauv cov npe ntawm chav kawm 2 cov tshuaj tua hluav taws tsim kev kub ntxhov, suav nrog cov tshuaj tawg ua hluav taws xob nrog qhov qis qis uas sib haum nrog qhov kev hem thawj tiag tiag ntawm hluav taws lossis tawg, ntau npaum li ntawm 15 txog 65 g ib cubic meter. Cov tshuaj zoo li no tau sawv cev los ntawm lignin, hmoov txhuas, quav nyab, hmoov nplej thiab plua plav.

Kauj ruam 4

Hauv cov npe ntawm cov tshuaj ntawm chav kawm phom sij thib 3, suav nrog cov tshuaj ntau tshaj nplaim taws. Cov no yog cov aerogels uas muaj qis dua qhov xav tau coj los ua qhov kev hem thawj tiag tiag ntawm hluav taws lossis tawg, uas siab dua 65 g ib cubic meter. Qhov ntsuas kub ntawm aerogels tsis ntau tshaj 250 ° C. Cov khoom zoo li no sawv cev, piv txwv li, ntawm lub elevator, luam yeeb hmoov av.

Kauj ruam 5

Hauv cov npe ntawm chav kawm 4 cov tshuaj phom sij, suav nrog aerogels nrog qhov qis qis tshaj qhov siab tshaj 65 g ib cubic meter, nrog qhov kub nws tus kheej lub siab kub txog 250 txog C. Cov no yog, tshwj xeeb, hmoov av zinc thiab sawdust.

Kauj Ruam 6

Txuas tshwj xeeb qhov tseem ceeb hauv cov ntsiab lus ntawm "chav kawm phom sij txaus ntshai" rau kev faib tawm cov cheeb tsam ntawm cov chaw ua haujlwm.

Txheeb xyuas qhov chaw muaj qhov phom sij raws li thaj chaw sab nraum zoov, sab hauv tsev, qhov muaj ib qho tas mus li los yog cuam tshuam kev hloov ntawm cov nplaim taws thiab cov tshuaj.

Pom zoo: