Zoo High Labor Lw Hlau Cov Tshuaj Ntsuam Zoo

Kev Siv: Kuaj Xyuas
Logo: customized txais
Cov cim lag luam: AIJIREN
Keeb kwm: Suav
OEM: muaj
Qauv: Muab Dawb

"Hom: 5.0 Hom Purge thiab Capture Lub raj mis
Muaj peev xwm: 40ml
Yav tas los toc-40-100
Qhov loj me: ø24mm × qhov siab 95 hli
Cov khoom siv: Borosilicate iav (pob tshab \ / amber) + pp cap
Qauv:
· V4015: Lub raj mis muaj pob zeb
· V4025: Lub raj mis muaj pob tshab nrog thaj chaw sau ntawv
Cov ntaub ntawv pov tseg: kev pov tseg
· V4045: Amber lub raj mis nrog thaj chaw sau ntawv "

Aijiren cia vials muaj cov khoom siv frealability zoo heev, thiab yog cov cuab yeej zoo tagnrho rau kev kuaj thiab ntau yam piv txwv cia. Tsis tas li ntawd, chemically inert hau yog qhov zoo rau feem ntau cov chromatography thiab cov ntawv thov cia. Siv PTFE lossis Silicone sterma los xyuas kom meej thiab ruaj khov zoo ntawm cov qauv piv txwv.

2ml Amber Ntsia Hlau HPLC vials, lub kaus mom, sawb, thiab nkag mus ua haujlwm tsis raws cai thiab ploj ntawm cov qauv tshwm sim los ntawm evaporation. Ntsia hlau xov kaw N9 (9mm) 2ml vials thiab kaw yog cov kev xaiv ntau dua thiab muaj nyob rau hauv ib qho kev xaiv sib txawv ntawm cov xim sib txawv thiab cov khoom siv septum.

2ml Amber Ntsia Hlau HPLC vials, lub kaus mom, sawb, thiab nkag mus ua haujlwm tsis raws cai thiab ploj ntawm cov qauv tshwm sim los ntawm evaporation. Ntsia hlau xov kaw N9 (9mm) 2ml vials thiab kaw yog cov kev xaiv ntau dua thiab muaj nyob rau hauv ib qho kev xaiv sib txawv ntawm cov xim sib txawv thiab cov khoom siv septum.

Snap vitals foob nrog Snap Caps yog ib qho yooj yim thov thiab tshem tawm yam tsis muaj kev ua txhaum lossis cov qauv ntawm cov qauv hlau, los tiv thaiv koj cov qauv ntawm cov qauv hlau, los tiv thaiv koj cov qauv ntawm cov qauv hlau los yog leaching.

Aijiren yog cov khoom lag luam chromatography consumaphables, tuaj yeem muab HPROMALOGRY, HPLC koob txhaj tshuaj lim, EPA Vials, thiab lwm yam kev sim leeg.
Txhua qhov yuav tsum tau rau chromatography consumables, thov hu rau peb.

Ntau yam xwm txheej yuav tsum tau txiav txim siab thaum xaiv cov qauv kev sib txuas lus vials- vials tau, cov qauv ntim, khoom siv iav vial lossis khov kho kom sov. Aijiren yog cov khoom lag luam ntawm amber cia qauv vials txij li xyoo 20007.

ToC vials yog pre-huv cov thawv ntim ua los ntawm cov iav zoo borosilicate iav lossis lwm cov khoom siv inert. Lawv tshwj xeeb yog tsim kom muaj kev phom sij me me uas cuam tshuam nrog cov kev pheej hmoo, kom muaj cov organic impurities tsis sket cov organic impurities tsis skeet cov organic impurities tsis sken cov toc nyeem.

2ML Scrc ntsia hlau vials yog qhov nyiam siv rau cov cuab yeej ntawm cov tuam tsev hauv qab no: JASCO, SIMADZU, cov dej, thiab lwm yam, lossis dav dav. Hoobkas ncaj qha rau 2ml ntshiab HPLC ntsia hlau vials tshaj 15 xyoo xa tawm kev paub.

Ntim qhov ntev: 16.89 x 7.52 x 7.01 nti
Puab: puag ncig
Khoom siv: iav
Qhov loj me: Od: 2.56 ", caj dab ID: 1.18", qhov siab: 5.5 "
Muaj: tas mus li dawb enamel Cov kawm tiav los ntawm 50 ml rau 1000 ML;
Cov nplai muaj tseeb, daim paib yooj yim

2ml Ntshiab Zoo Ntsia HPLC Vials thiab kaw yog cov kev xaiv ntau thoob ntiaj teb, thiab muaj nyob rau hauv ib qho kev xaiv sib txawv ntawm cov xim sib txawv thiab septum cov ntaub ntawv.

PTFE \ / Silicone Cap Septa
Kom muaj nuj nqis 100 rau ib chav
Caj dab: 24-400 Xov
1.Nta ntswj ntsia hlau caj dab vials (ntshiab \ / amber).
2. Muaj nrog cov ntsia hlau dub lossis dawb ntsia hlau nrog 24 hli xov.
3. Muaj raws li kaw ntsia hlau ntsaws ruaj ruaj lossis nrog lub qhov nruab nrab.
(24-414 Ua tiav muaj los ntawm kev txiav txim tshwj xeeb).
5. Ib puag ncig tsom xam
· V4035: Lub raj mis

EPA vials yog cov uas tau raws li qhov yuav tsum tau ua ntawm USA Envanumment Proionalt Center (EPA) rau kev sim cov kab mob uas muaj teeb meem rau cov dej lossis cov av.

15-425 HLI TSHOOJ CUAB Txuas ntxiv rau cov qauv ua qauv, yog siv rau hauv pob ntawm cov neeg sawv cev roj ntsha, cov tshuaj pleev ib ce, muaj txiaj ntsig zoo chemistry thiab lwm yam. Kev khaws cov vials yog qhov tsim nyog rau kev ntim khoom ntawm ntau yam tshuaj lom neeg, tshuaj tua hluav taws xob, tshuaj ntsuab, thiab lwm yam rau cov khoom lag luam zoo nkauj. Qhov "15-425" yog hais txog qhov loj me thiab xov ntawm lub vial. Nws muaj 15mm sab nraud ntawm lub taub. Cov vials no feem ntau yog tsim los ntawm cov ntaub ntawv zoo xws li borosilicate iav. 

Cia vials tseem hu ua qauv siv vials, siv hauv pob ntawm cov neeg sawv cev phom, cov tshuaj pleev ib ce, muaj txiaj ntsig zoo chemistry thiab lwm yam.

Kev khaws cov vials tsim nyog rau kev ntim khoom ntawm ntau yam tshuaj lom neeg, tshuaj tua hluav taws xob, tshuaj ntsuab, thiab lwm yam rau cov khoom lag luam, thiab muaj cov khoom lag luam ntev.
Aijiren muaj ntau tus qauv vials thiab cov khoom siv vials rau volatiles kuaj, tso cai cia thiab lwm yam kev siv chromatography.

Zhejiang aucojiren thev naus laus zis, Inc. yog kev tshawb fawb txog cov chromatography, Chemical cov khoom siv ua kua nrog cov tshuaj tua hluav taws xob, thiab cov tshuaj schiver thiab cov tshuaj pleev pob zeb, thiab lwm yam; Dej kev tsom xam cov khoom xws li cov raj ntsuas cod ntsuas.

2ml Ntshiab Ci Ntsia Hlau HPLC vials yog ntiaj teb. Screwing lub cap siv lub tshuab kho tshuab uas squeezes lub septum ntawm lub khob ntug dej thiab lub hau. 2ml Ntshiab Zoo Ntsia HPLC Vial'caps ua ib qho zoo tshaj plaws foob thiab mechanically tuav lub septum nyob rau hauv qhov chaw thaum tho. Tsis muaj cov cuab yeej xav tau rau kev sib dhos.

Qauv Cia Vials, tseem hu ua cov iav tshuaj fwj, yog qhov tsim nyog rau cov roj ntsha, cov tshuaj pleev ib ce, tshuaj pleev ib ce ntawm cov khoom lag luam, muaj cov khoom lag luam ntev.

Kev khaws cov vials tsim nyog rau kev ntim khoom ntawm ntau yam tshuaj lom neeg, tshuaj tua hluav taws xob, tshuaj ntsuab, thiab lwm yam rau cov khoom lag luam, thiab muaj cov khoom lag luam ntev.

Amber 9mm HPLC Vials nrog ntxig yog cov thoob ntiaj teb, yooj yim hauv kev xaiv ntau yam ntawm cov xim sib txawv thiab cov khoom siv septum.

Cia iav iav tsim hauv hom 1, chav kawm A, 33 qhov nthuav borosilicate iav lossis 51A amber iav. Muaj peev xwm los ntawm 20 rau 40ml. Muab cov pH tas mus li rau lub sijhawm ntsuas ntawm lub neej. Cov khoom hauv paus inert haum rau feem ntau cov chromatography thiab cov ntawv thov cia. Sab saum toj Qib PTFE \ / Silicone Septa Siv Rau Kev Ua Haujlwm

Qauv Cia Vials, tseem hu ua cov iav iav, lossis kev npaj roj, cov tshuaj pleev ib ce, tshuaj pleev ib ce, cov tshuaj lom neeg ntawm cov khoom lag luam, muaj cov khoom lag luam ntev. Cov txheej txheem ntau lawm ntawm kev ua tau zoo tag nrho cov organic carbon (TOC) coj kom huv si kom ntseeg tau tias lawv tsis pab txhawb nqa txhua cov organic carbonation rau cov qauv. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv ToC Kev Tshawb Xyuas, qhov chaw uas qee qhov chaw theem ntawm kev sib kis tau tuaj yeem cuam tshuam.

Kuaj kab Ntsia, 9mm Center Qhov, kaw-saum toj nrog PTFE Silic Silica Kev Siv Khoom Siv thiab khaws cov qauv ntawm cov qauv.

Tsim los rau precision Labs, 24-400 ntsia hlau caj dab vials ntsib EPA thiab TEC cov qauv tshuaj xyuas thiab ntev ntev.

Txhua yam chromatography vials produced los ntawm Aijiren yog ua los ntawm cov roj acid iav. Aijiren cov chromatography vials yog ib txwm cov khoom tseem ceeb. Yog tias koj txaus siab, thov hu rau cov neeg siv khoom hauv online.

"Hom: 5.0 Hom Purge thiab Capture Lub raj mis
Muaj peev xwm: 40ml
Yav tas los toc-40-100
Qhov loj me: ø24mm × qhov siab 95 hli
Cov khoom siv: Borosilicate iav (pob tshab \ / amber) + pp cap
Qauv:
· V4015: Lub raj mis muaj pob zeb
· V4025: Lub raj mis muaj pob tshab nrog thaj chaw sau ntawv
Cov ntaub ntawv pov tseg: kev pov tseg
· V4045: Amber lub raj mis nrog thaj chaw sau ntawv "

Aijiren yog cov khoom lag luam chromatography consumaphables, tuaj yeem muab HPROMALOGRY, HPLC koob txhaj tshuaj lim, EPA Vials, thiab lwm yam kev sim leeg.
Txhua qhov yuav tsum tau rau chromatography consumables, thov hu rau peb.

Aijiren 15-425 Ntsia Hlau Coj vial yog ib tug zoo ntsia hlau-ntim cov raj vuag rau kev kuaj cov qauv thiab kev tiv thaiv. Nws muaj 15mm lub raj mis lub qhov ncauj lub qhov ncauj thiab 425 txuj ci xov sib cuam tshuam. Nws yog nruab nrog polypropylene ntsia hlau hau thiab PTFE \ / Silicone Septum los muab tshuaj lom neeg sab nrauv thiab kev ua yeeb yam. Nws yog qhov tsim nyog rau kev ntsuas ntev ntev ntawm ntau qhov ua kua thiab cov qauv khoom thaum ua kom muaj kev ncaj ncees thiab kev nyab xeeb ntawm cov qauv.

Ntau yam xwm txheej yuav tsum tau txiav txim siab thaum xaiv cov qauv kev sib txuas lus vials- vials tau, cov qauv ntim, khoom siv iav vial lossis khov kho kom sov. Aijiren yog cov khoom lag luam ntawm amber cia qauv vials txij li xyoo 20007.

15-425 HLI TSHOOJ CUAB Txuas ntxiv rau cov qauv ua qauv, yog siv rau hauv pob ntawm cov neeg sawv cev roj ntsha, cov tshuaj pleev ib ce, muaj txiaj ntsig zoo chemistry thiab lwm yam. Kev khaws cov vials yog qhov tsim nyog rau kev ntim khoom ntawm ntau yam tshuaj lom neeg, tshuaj tua hluav taws xob, tshuaj ntsuab, thiab lwm yam rau cov khoom lag luam zoo nkauj. Qhov "15-425" yog hais txog qhov loj me thiab xov ntawm lub vial. Nws muaj 15mm sab nraud ntawm lub taub. Cov vials no feem ntau yog tsim los ntawm cov ntaub ntawv zoo xws li borosilicate iav. 

EPA vials sib ntsib U.S. Envageence tiv thaiv lub koomhaum (EPA) kom ua rau cov tshuaj tsis huv rau cov muaj kev phom sij.
Yog tias siv rau kev tsom xam ib puag ncig, EPA vials yuav tsum tau huv thiab tsis muaj cov tshuaj uas yuav cuam tshuam rau kev tsom xam. Iav vials uas ua tau raws li cov kev xav tau no yog hu ua EPA vials, qee zaum tseem hu ua Voa (volatile tsom xam) vials. EPA vials yog ua los ntawm cov qauv inert kuv borosilicate iav nyob rau hauv ntshiab lossis amber xim.

Cia vials tseem hu ua qauv siv vials, siv hauv pob ntawm cov neeg sawv cev phom, cov tshuaj pleev ib ce, muaj txiaj ntsig zoo chemistry thiab lwm yam.

Kev khaws cov vials tsim nyog rau kev ntim khoom ntawm ntau yam tshuaj lom neeg, tshuaj tua hluav taws xob, tshuaj ntsuab, thiab lwm yam rau cov khoom lag luam, thiab muaj cov khoom lag luam ntev.
Aijiren muaj ntau tus qauv vials thiab cov khoom siv vials rau volatiles kuaj, tso cai cia thiab lwm yam kev siv chromatography.

Iav Autosampler Vial, 4mL, 15 hli X 45 hli, siv nrog 13-425 ntsia hlau lub kaus mom.
1.Txoj kev kuaj dav dav thiab cov qauv cia.
Ntshiab. Hom 1, borosilicate, 33 expansion. Kuj muaj nyob rau hauv Amber, 51 nthuav.
3.TOp Qib PTFE \ / Silicone Septa Siv Rau Kev Ua Haujlwm

2ml Amber Ntsia Hlau HPLC vials, lub kaus mom, sawb, thiab nkag mus ua haujlwm tsis raws cai thiab ploj ntawm cov qauv tshwm sim los ntawm evaporation. Ntsia hlau xov kaw N9 (9mm) 2ml vials thiab kaw yog cov kev xaiv ntau dua thiab muaj nyob rau hauv ib qho kev xaiv sib txawv ntawm cov xim sib txawv thiab cov khoom siv septum.

Cov iav no yog siv rau hauv kev lag luam ib puag ncig. Muaj nyob rau hauv qab.
2.20Emically inert caps tsim nyog rau feem ntau cov chromatography thiab cov ntawv thov cia
Ntau qhov ntau thiab tsawg thiab muaj peev xwm muaj. Lub kaus mom yog muag nyias.
4. Xwm PTFE \ / Xwm Silicone Septa 22 * ​​3 hli

ToC vials yog pre-huv cov thawv ntim ua los ntawm cov iav zoo borosilicate iav lossis lwm cov khoom siv inert. Lawv tshwj xeeb yog tsim kom muaj kev phom sij me me uas cuam tshuam nrog cov kev pheej hmoo, kom muaj cov organic impurities tsis sket cov organic impurities tsis skeet cov organic impurities tsis sken cov toc nyeem.

2ml Amber Ntsia Hlau HPLC vials, lub kaus mom, sawb, thiab nkag mus ua haujlwm tsis raws cai thiab ploj ntawm cov qauv tshwm sim los ntawm evaporation. Ntsia hlau xov kaw N9 (9mm) 2ml vials thiab kaw yog cov kev xaiv ntau dua thiab muaj nyob rau hauv ib qho kev xaiv sib txawv ntawm cov xim sib txawv thiab cov khoom siv septum.

SNAP cap vials yog kev txuas ntxiv ntawm Crimp CAP system ntawm kev sib khi. Lub hau yas nthuav dav ntawm lub npoo ntawm lub vial los ua ib lub cim los ua ke los ntawm nyem los ntawm nyem los ntawm cov septuming septum ntawm lub khob thiab ncab yas lub vov. YAS MUAJ SIAB thiab xav rov qab mus rau qhov tseem ceeb. Qhov nro no nyob rau hauv lub cap rov qab mus rau nws thawj qhov loj yog lub zog ua kev sib foob ntawm lub khob ntawm iav, cap thiab septum. Qhov zoo dua ntawm cov yas snap yog tsis muaj cov cuab yeej yuav tsum tau sib sau ua ke. Lub vijtsam snap-sab saum toj yog qhov system sib zog.

Qhov qauv cell no muaj 25 × 95mm hauv qab, uas muab cov khoom ruaj khov rau ntawm kev kuaj thiab cov khoom kuaj. Tus qauv tsim tso cai rau kev sib luag hauv kev nthuav dav hauv spectrophotometers thiab lwm cov twj paj nruag, kom muaj kev ntsuas dua thiab muaj tseeb.

Snap vitals foob nrog Snap Caps yog ib qho yooj yim thov thiab tshem tawm yam tsis muaj kev ua txhaum lossis cov qauv ntawm cov qauv hlau, los tiv thaiv koj cov qauv ntawm cov qauv hlau, los tiv thaiv koj cov qauv ntawm cov qauv hlau los yog leaching.

Kev khaws cov vials tsim nyog rau kev ntim khoom ntawm ntau yam tshuaj lom neeg, tshuaj tua hluav taws xob, tshuaj ntsuab, thiab lwm yam rau cov khoom lag luam, thiab muaj cov khoom lag luam ntev.

Aijiren muaj ua ntej ntxuav 40 ml iav vials tau pov thawj rau tag nrho cov organic carbon (toc vials).  Peb muab cov ntawv pov thawj tonc muaj pov thawj kom muaj tsawg dua 10 ntu rau ib lab (PPB) thiab tsawg dua 20 ntu (PPB) siv rau hauv cov ntawv thov biotechnology. Qauv Cia Vials, tseem hu ua cov iav iav, lossis kev npaj roj, cov tshuaj pleev ib ce, tshuaj pleev ib ce, cov tshuaj lom neeg ntawm cov khoom lag luam, muaj cov khoom lag luam ntev. 

Ntshiab 2ml HPLC vials thiab kaw yog cov thoob ntiaj teb tsim nyog ntawm feem ntau automampers. Vim yog lawv cov tshuaj tua hluav taws xob isticially cap-siab ntsia hlau lub kaus mom, n9 tsis muaj cov qauv xov uas tsim qauv qauv.

2ml chromatography vials rau HPLC. Aijiren 2mL chromatography vials muaj customized cov kev pabcuam xws li cov xim ntawm PP cim thiab cov chaw sau npe, thiab cov neeg siv khoom lag luam npe lag luam.

PTFE \ / Silicone Cap Septa
Kom muaj nuj nqis 100 rau ib chav
Caj dab: 24-400 Xov
1.Nta ntswj ntsia hlau caj dab vials (ntshiab \ / amber).
2. Muaj nrog cov ntsia hlau dub lossis dawb ntsia hlau nrog 24 hli xov.
3. Muaj raws li kaw ntsia hlau ntsaws ruaj ruaj lossis nrog lub qhov nruab nrab.
(24-414 Ua tiav muaj los ntawm kev txiav txim tshwj xeeb).
5. Ib puag ncig tsom xam
· V4035: Lub raj mis

Dawb PTFE \ / Dawb Silicone Septa 1 lub cap dawb tsis muaj qhov, rau 4ml ntsia hlau sab saum toj vial muaj 24ml ntawm cov qauv. Siv 24mm nrog septa rau siv ua qauv vials thiab nrog diffusion caps rau ntxuav vials. Nrog kaw cov yeeb yaj kiab sab saum toj, cov vials no tseem tuaj yeem siv los ua cov vials cia.

Amber 9mm HPLC Vials nrog ntxig yog cov thoob ntiaj teb, yooj yim hauv kev xaiv ntau yam ntawm cov xim sib txawv thiab cov khoom siv septum.

2ML Scrc ntsia hlau vials yog qhov nyiam siv rau cov cuab yeej ntawm cov tuam tsev hauv qab no: JASCO, SIMADZU, cov dej, thiab lwm yam, lossis dav dav. Hoobkas ncaj qha rau 2ml ntshiab HPLC ntsia hlau vials tshaj 15 xyoo xa tawm kev paub.

Aijiren cia vials muaj cov khoom siv frealability zoo heev, thiab yog cov cuab yeej zoo tagnrho rau kev kuaj thiab ntau yam piv txwv cia. Tsis tas li ntawd, chemically inert hau yog qhov zoo rau feem ntau cov chromatography thiab cov ntawv thov cia. Siv PTFE lossis Silicone sterma los xyuas kom meej thiab ruaj khov zoo ntawm cov qauv piv txwv.

Zhejiang aucojiren thev naus laus zis, Inc. yog kev tshawb fawb txog cov chromatography, Chemical cov khoom siv ua kua nrog cov tshuaj tua hluav taws xob, thiab cov tshuaj schiver thiab cov tshuaj pleev pob zeb, thiab lwm yam; Dej kev tsom xam cov khoom xws li cov raj ntsuas cod ntsuas.

16 hli iav cod Xeem Tube \ / cd Kev Xauv Cov Khaub Ncaws
Khoom siv: High borosilicate iav
Hauv qab: puag ncig hauv qab \ / ca hauv qab
Qhov loj me: 16 * 100 hli \ / 16 * 90mm \ / 16 * 125mm \ / 16 * 150 hli
Cov kev ntsuas ntawm daim ntawv thov: Cod ntsuas rau kev kuaj tshuaj rau cov tshuaj, thiab lwm yam

Ntim qhov ntev: 16.89 x 7.52 x 7.01 nti
Puab: puag ncig
Khoom siv: iav
Qhov loj me: Od: 2.56 ", caj dab ID: 1.18", qhov siab: 5.5 "
Muaj: tas mus li dawb enamel Cov kawm tiav los ntawm 50 ml rau 1000 ML;
Cov nplai muaj tseeb, daim paib yooj yim

2ml Amber Ntsia Hlau HPLC vivs yog qhov kev xaiv zoo dua uas siv rau feem ntau HPLC thiab LC-M applications tuaj yeem tsim los ntawm cov khoom sib txawv ntawm cov iav nthuav; Feem ntau cov ntawv ceeb toom 33-nthuav dav thiab 51-expansion iav.

Qauv Cia Vials, tseem hu ua cov iav tshuaj fwj, yog qhov tsim nyog rau cov roj ntsha, cov tshuaj pleev ib ce, tshuaj pleev ib ce ntawm cov khoom lag luam, muaj cov khoom lag luam ntev.

Cia iav iav tsim hauv hom 1, chav kawm A, 33 qhov nthuav borosilicate iav lossis 51A amber iav. Muaj peev xwm los ntawm 20 rau 40ml. Muab cov pH tas mus li rau lub sijhawm ntsuas ntawm lub neej. Cov khoom hauv paus inert haum rau feem ntau cov chromatography thiab cov ntawv thov cia. Sab saum toj Qib PTFE \ / Silicone Septa Siv Rau Kev Ua Haujlwm

EPA vials yog cov uas tau raws li qhov yuav tsum tau ua ntawm USA Envanumment Proionalt Center (EPA) rau kev sim cov kab mob uas muaj teeb meem rau cov dej lossis cov av.

Kev Siv: Kuaj Xyuas
Logo: customized txais
Cov cim lag luam: AIJIREN
Keeb kwm: Suav
OEM: muaj
Qauv: Muab Dawb

2ml Ntshiab Zoo Ntsia HPLC Vials thiab kaw yog cov kev xaiv ntau thoob ntiaj teb, thiab muaj nyob rau hauv ib qho kev xaiv sib txawv ntawm cov xim sib txawv thiab septum cov ntaub ntawv.

2ml Ntshiab Ci Ntsia Hlau HPLC vials yog ntiaj teb. Screwing lub cap siv lub tshuab kho tshuab uas squeezes lub septum ntawm lub khob ntug dej thiab lub hau. 2ml Ntshiab Zoo Ntsia HPLC Vial'caps ua ib qho zoo tshaj plaws foob thiab mechanically tuav lub septum nyob rau hauv qhov chaw thaum tho. Tsis muaj cov cuab yeej xav tau rau kev sib dhos.