Liquid Hydrogen Flexible Hose Series
- Irọrun ati Agbara: Liquid Hydrogen Flexible Hose Series ṣafikun imọ-ẹrọ gige-eti lati pese irọrun alailẹgbẹ, gbigba fun irọrun ati fifi sori ẹrọ. Awọn okun ti a ṣe apẹrẹ lati koju awọn iwọn otutu kekere ati awọn agbegbe ti o lewu laisi ibajẹ iṣẹ tabi igbẹkẹle.
- Awọn isopọ Alailẹgbẹ: Awọn okun ti o rọ wa ṣe idaniloju asopọ ti ko ni iyasọtọ laarin awọn ẹya oriṣiriṣi ti eto hydrogen olomi. Eyi dinku edekoyede ati dinku titẹ titẹ silẹ, imudara ṣiṣe gbogbogbo ti eto naa.
- Apẹrẹ Leakproof: Aabo jẹ pataki julọ wa. Liquid Hydrogen Flexible Hose Series ṣe ẹya apẹrẹ ti o leakproof ti o yọkuro eewu jijo hydrogen, ni idaniloju iṣẹ ṣiṣe to ni aabo ati igbẹkẹle.
- Awọn Solusan ti a ṣe Adani: Lati ṣe abojuto awọn aini alabara ti o yatọ, a nfunni ni ọpọlọpọ awọn aṣayan, pẹlu awọn titobi oriṣiriṣi ati awọn atunto, fun Ẹrọ Imudara Liquid Hydrogen Flexible Hose. Eyi ngbanilaaye fun awọn solusan ti a ṣe adani ti o ṣepọ lainidi sinu awọn ọna ṣiṣe hydrogen olomi kan pato, ṣiṣe ti o pọ si ati iṣẹ ṣiṣe.
Fidio
Igbale idabobo Pipe
Vacuum Insulated Hose (osiọmu igbale), eyun Vacuum Jacketed Hose, gẹgẹbi aropo pipe fun idabobo pipii aṣa. Ti a ṣe afiwe pẹlu idabobo fifi ọpa mora, iye jijo ooru ti VIP jẹ awọn akoko 0.05 ~ 0.035 nikan ti idabobo fifi ọpa mora. Ni pataki fi agbara pamọ ati idiyele fun awọn alabara.
Ọja jara ti Vacuum Insulated Hose, Vacuum Insulated Pipe, Vacuum Insulated Valve, and Phase Separator in HL Cryogenic Equipment Company, eyiti o kọja nipasẹ lẹsẹsẹ awọn itọju imọ-ẹrọ ti o muna pupọ, ni a lo fun gbigbe ti atẹgun omi, nitrogen olomi, argon omi, omi hydrogen, helium olomi, LEG ati LNG, ati awọn ọja wọnyi jẹ iṣẹ fun ohun elo cryogenic (fun apẹẹrẹ ojò cryogenic, dewar ati apoti tutu ati bẹbẹ lọ) ni awọn ile-iṣẹ ti iyapa afẹfẹ, awọn gaasi, ọkọ ofurufu, ẹrọ itanna, superconductor, awọn eerun, ile elegbogi, ile-iwosan, banki biobank , ounje & ohun mimu, adaṣiṣẹ adaṣiṣẹ, roba, titun ohun elo ẹrọ kemikali ina-, irin & irin, ati ijinle sayensi iwadi ati be be lo.
Mẹrin Asopọ Orisi
Lati le mu awọn iwulo oriṣiriṣi ti awọn alabara pọ si, awọn oriṣi asopọ mẹrin nigbagbogbo wa fun VI Flexible Hose. Awọn oriṣi asopọ mẹta akọkọ lo nikan si awọn ipo asopọ laarin VI Flexible Hoses. Ẹkẹrin, iru asopọ asapo ni gbogbo igba lo fun awọn asopọ VI Hose si ohun elo ati ojò ipamọ.
Nigbati VI Flexible Hose sopọ pẹlu ohun elo, ojò ipamọ ati bẹbẹ lọ, asopọ asopọ le jẹ adani ni ibamu si awọn ibeere alabara.
Dopin ti Ohun elo
Vacuum Bayoneti Asopọ Iru pẹlu clamps | Vacuum Bayoneti Asopọ Iru pẹlu Flanges ati boluti | Welded Asopọ Iru | Opo Joint Asopọ Iru | |
Asopọmọra Iru | Awọn dimole | Flanges ati boluti | Weld | O tẹle |
Idabobo Iru ni awọn isẹpo | Igbale | Igbale | Perlite tabi igbale | Wíwọ Awọn ohun elo ti a fi sọtọ |
Lori-ojula ya sọtọ itọju | No | No | Bẹẹni, perlite ti o kun sinu tabi fifa fifa jade lati Awọn apa idalẹnu ni awọn isẹpo. | Bẹẹni |
Iforukọ Dimeter ti Inner Pipe | DN10(3/8")~DN25(1") | DN10(3/8")~DN80(3") | DN10(3/8")~DN150(6") | DN10(3/8")~DN25(1") |
Design Ipa | ≤8 igi | ≤16 igi | ≤40 igi | ≤16 igi |
Fifi sori ẹrọ | Rọrun | Rọrun | Weld | Rọrun |
Design otutu | -196℃~ 90℃ (LH2 & LHe:-270℃ ~ 90℃) | |||
Gigun | ≥ 1 mita/pcs | |||
Ohun elo | 300 Series Irin alagbara | |||
Alabọde | LN2, LOX, LAr, LHe, LH2, LNG |
Ideri Idaabobo
Ọja Dopin ti Ipese
Ọja | Sipesifikesonu | Vacuum Bayonet Asopọ pẹlu awọn clamps | Vacuum Bayonet Asopọ pẹlu Flanges ati Bolts | Weld idabobo Asopọ | Opo Asopọ |
Igbale idabobo rọ okun | DN8 | BẸẸNI | BẸẸNI | BẸẸNI | BẸẸNI |
DN15 | BẸẸNI | BẸẸNI | BẸẸNI | BẸẸNI | |
DN20 | BẸẸNI | BẸẸNI | BẸẸNI | BẸẸNI | |
DN25 | BẸẸNI | BẸẸNI | BẸẸNI | BẸẸNI | |
DN32 | / | BẸẸNI | BẸẸNI | / | |
DN40 | / | BẸẸNI | BẸẸNI | / | |
DN50 | / | BẸẸNI | BẸẸNI | / | |
DN65 | / | BẸẸNI | BẸẸNI | / | |
DN80 | / | BẸẸNI | BẸẸNI | / | |
DN100 | / | / | BẸẸNI | / | |
DN125 | / | / | BẸẸNI | / | |
DN150 | / | / | BẸẸNI | / |
Imọ Abuda
Design otutu | -196~90℃ (LHe:-270~90℃)) |
Ibaramu otutu | -50 ~ 90 ℃ |
Igbale Leakage Rate | ≤1*10-10Pa*m3/S |
Ipele igbale lẹhin Ẹri | ≤0.1 Paa |
Ya sọtọ Ọna | Ga Vacuum Olona-Layer idabobo. |
Adsorbent ati Getter | Bẹẹni |
Idanwo Ipa | 1.15 Times Design Ipa |
Alabọde | LO2, LN2, LAr, LH2, LHe, ese, LNG |
Ìmúdàgba ati Aimi Vacuum Insulated Flexible Hose
Vacuum Insulated (VI) rọ okun le ti wa ni pin si Yiyi ati Static VI Flexible Hose.
lStatic VI Hose ti pari ni kikun ni ile-iṣẹ iṣelọpọ.
lEto VI Yiyi ni a funni ni ipo igbale iduroṣinṣin diẹ sii nipasẹ fifa lemọlemọfún ti eto fifa igbale lori aaye, ati pe itọju igbale kii yoo waye ni ile-iṣẹ mọ. Iyoku ti apejọ ati itọju ilana tun wa ni ile-iṣẹ iṣelọpọ. Nitorinaa, Pipe VJ Yiyi nilo lati ni ipese pẹlu Eto fifa Igbale.
Ìmúdàgba Vacuum idabobo Rọ okun | Aimi Vacuum Ya sọtọ okun Rọ | |
Ọrọ Iṣaaju | Iwọn igbale ti interlayer igbale ti wa ni abojuto nigbagbogbo, ati fifa fifa jẹ iṣakoso laifọwọyi lati ṣii ati sunmọ, lati rii daju iduroṣinṣin ati imunadoko alefa igbale | VJRọ okuns pari iṣẹ idabobo igbale ni ile-iṣẹ iṣelọpọ. |
Awọn anfani | Idaduro igbale jẹ iduroṣinṣin diẹ sii, ipilẹ imukuro itọju igbale ni iṣẹ iwaju. | Idoko-ọrọ ti ọrọ-aje diẹ sii ati fifi sori ẹrọ ti o rọrun lori aaye |
Vacuum Bayoneti Asopọ Iru pẹlu clamps | Ohun elo | Ohun elo |
Vacuum Bayoneti Asopọ Iru pẹlu Flanges ati boluti | Ohun elo | Ohun elo |
Welded Asopọ Iru | Ohun elo | Ohun elo |
Opo Joint Asopọ Iru | Ohun elo | Ohun elo |
Igbale Ìmúdàgba Insulated Rọ HoseEto: Ni ninu Vacuum Flexible Hoses, Jumper Hoses ati Vacuum Pump System (pẹlu awọn ifasoke igbale, awọn falifu solenoid ati awọn wiwọn igbale). Ni irọrun fi sori ẹrọ ni yara kekere. Awọn ipari ti nikan Vacuum Insulated Flexible Hose le jẹ adani gẹgẹbi awọn ibeere alabara.
2.Specification ATI Awoṣe
HL-HX-X-000-00-X
Brand
HL Cryogenic Equipment
Apejuwe
HD: Yiyi VI Hose
HS: Aimi VI Hose
Asopọmọra Iru
W: Welded Asopọ Iru
B: Vacuum Bayoneti Asopọ Iru pẹlu clamps
F: Vacuum Bayoneti Asopọ Iru pẹlu Flanges ati boluti
T: Opo Asopọmọra Iru
Iforukọ Dimeter ti Inner Pipe
010: DN10
…
080: DN80
…
150: DN150
Design Ipa
08: 8ọgba
16:16bar
25:25ogba
32:32bar
40:40bar
Ohun elo ti Inner Pipe
A: SS304
B: SS304L
C: SS316
D: SS316L
E: Omiiran
3.1 Aimi Vacuum idabobo Cryogenic Rọ okun
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHSB01008X | Asopọmọra Vacuum Bayonet Iru pẹlu Awọn dimole fun Imudani Vacuum Static Vacuum Insulated Flexible Hose | DN10, 3/8" | 8 igi
| 300 Series Irin alagbara | ASME B31.3 | X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHSB01508X | DN15, 1/2" | |||||
HLHSB02008X | DN20, 3/4" | |||||
HLHSB02508X | DN25, 1" |
Opin Opin ti Paipu Inu:Ti ṣe iṣeduro ≤ DN25 tabi 1 ". Tabi yan Iru Asopọ Bayonet Vacuum pẹlu Flanges ati Bolts (lati DN10, 3/8 "si DN80, 3"), Iru Asopọ Welded (lati DN10, 3/8" si DN150, 6")
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ipa Apẹrẹ: Iṣeduro ≤ 8 igi. Tabi yan Iru Asopọ Bayonet Vacuum pẹlu Flanges ati Bolts (≤16 bar), Iru Asopọ Welded (≤40 bar)
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHSF01000X | Vacuum Bayoneti Asopọ Iru pẹlu Flanges ati Bolts fun Static Vacuum Insulated Flexible Hose | DN10, 3/8" | 8 ~ 16 igi | 300 Series Irin alagbara | ASME B31.3 | 00: Design Ipa. 08 jẹ 8bar, 16 jẹ 16bar.
X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHSF01500X | DN15, 1/2" | |||||
HLHSF02000X | DN20, 3/4" | |||||
HLHSF02500X | DN25, 1" | |||||
HLHSF03200X | DN32, 1-1/4" | |||||
HLHSF04000X | DN40, 1-1/2" | |||||
HLHSF05000X | DN50, 2" | |||||
HLHSF06500X | DN65, 2-1/2" | |||||
HLHSF08000X | DN80, 3" |
Opin Opin ti Paipu Inu:Ti ṣe iṣeduro ≤ DN80 tabi 3 ". Tabi yan Iru Asopọ Welded (lati DN10, 3/8 "si DN150, 6"), Vacuum Bayoneti Asopọmọra Iru pẹlu Clamps (lati DN10, 3/8 "si DN25, 1").
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ipa Apẹrẹ: Iṣeduro ≤ 16 igi. Tabi yan Iru Asopọ Welded (≤40 bar).
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHSW01000X | Welded Asopọ Iru fun Aimi Vacuum Insulated Rọ okun | DN10, 3/8" | 8-40 igi | 300 Series Irin alagbara | ASME B31.3 | 00: Design Ipa 08 jẹ 8bar, 16 jẹ 16bar, ati 25, 32, 40.
X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHSW01500X | DN15, 1/2" | |||||
HLHSW02000X | DN20, 3/4" | |||||
HLHSW02500X | DN25, 1" | |||||
HLHSW03200X | DN32, 1-1/4" | |||||
HLHSW04000X | DN40, 1-1/2" | |||||
HLHSW05000X | DN50, 2" | |||||
HLHSW06500X | DN65, 2-1/2" | |||||
HLHSW08000X | DN80, 3" | |||||
HLHSW10000X | DN100, 4" | |||||
HLHSW12500X | DN125, 5" | |||||
HLHSW15000X | DN150, 6" |
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHST01000X | Asopọmọra Vacuum Bayonet Iru pẹlu Awọn dimole fun Imudani Vacuum Static Vacuum Insulated Flexible Hose | DN10, 3/8" | 8 ~ 16 igi | 300 Series Irin alagbara | ASME B31.3 | 00: Design Ipa. 08 jẹ 8bar, 16 jẹ 16bar.
X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHSB01500X | DN15, 1/2" | |||||
HLHSB02000X | DN20, 3/4" | |||||
HLHSB02500X | DN25, 1" |
Opin Opin ti Paipu Inu:Ti ṣe iṣeduro ≤ DN25 tabi 1 ". Tabi yan Iru Asopọ Bayonet Vacuum pẹlu Flanges ati Bolts (lati DN10, 3/8 "si DN80, 3"), Iru Asopọ Welded (lati DN10, 3/8" si DN150, 6")
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ipa Apẹrẹ: Iṣeduro ≤ 16 igi. Tabi yan Iru Asopọ Welded (≤40 bar)
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
3.2Yynamic Vacuum idabo Pip System
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHDB01008X | Asopọmọra Vacuum Bayonet Iru pẹlu Awọn dimole fun Igbasẹ Yiyi ti o ya sọtọ okun to rọ | DN10, 3/8" | 8 igi
| 300 Series Irin alagbara | ASME B31.3 | X:Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHDB01508X | DN15, 1/2" | |||||
HLHDB02008X | DN20, 3/4" | |||||
HLHDB02508X | DN25, 1" |
Opin Opin ti Paipu Inu:Ti ṣe iṣeduro ≤ DN25 tabi 1 ". Tabi yan Iru Asopọ Bayonet Vacuum pẹlu Flanges ati Bolts (lati DN10, 3/8 "si DN80, 3"), Iru Asopọ Welded (lati DN10, 3/8" si DN150, 6")
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ipa Apẹrẹ: Iṣeduro ≤ 8 igi. Tabi yan Iru Asopọ Bayonet Vacuum pẹlu Flanges ati Bolts (≤16 bar), Iru Asopọ Welded (≤40 bar)
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Ipò Agbara:Aaye naa nilo lati pese agbara si awọn ifasoke igbale ati sọfun HL Cryogenic Equipment alaye itanna agbegbe (Voltage ati Hertz).
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHDF01000X | Vacuum Bayonet Asopọ Iru pẹlu Flanges ati Bolts fun Yiyi Vacuum Insulated Flexible Hose | DN10, 3/8" | 8 ~ 16 igi | 300 Series Irin alagbara | ASME B31.3 | 00: Design Ipa. 08 jẹ 8bar, 16 jẹ 16bar.
X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHDF01500X | DN15, 1/2" | |||||
HLHDF02000X | DN20, 3/4" | |||||
HLHDF02500X | DN25, 1" | |||||
HLHDF03200X | DN32, 1-1/4" | |||||
HLHDF04000X | DN40, 1-1/2" | |||||
HLHDF05000X | DN50, 2" | |||||
HLHDF06500X | DN65, 2-1/2" | |||||
HLHDF08000X | DN80, 3" |
Opin Opin ti Paipu Inu:Ti ṣe iṣeduro ≤ DN80 tabi 3 ". Tabi yan Iru Asopọ Welded (lati DN10, 3/8 "si DN150, 6"), Vacuum Bayoneti Asopọmọra Iru pẹlu Clamps (lati DN10, 3/8 "si DN25, 1").
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ipa Apẹrẹ: Iṣeduro ≤ 16 igi. Tabi yan Iru Asopọ Welded (≤40 bar).
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Ipò Agbara:Aaye naa nilo lati pese agbara si awọn ifasoke igbale ati sọfun HL Cryogenic Equipment alaye itanna agbegbe (Voltage ati Hertz).
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHDW01000X | Welded Asopọmọra Iru fun Yiyipo Vacuum Insulated Rọ okun | DN10, 3/8" | 8-40 igi | Irin Alagbara 304, 304L, 316, 316L | ASME B31.3 | 00: Design Ipa 08 jẹ 8bar, 16 jẹ 16bar, ati 25, 32, 40. .
X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHDW01500X | DN15, 1/2" | |||||
HLHDW02000X | DN20, 3/4" | |||||
HLHDW02500X | DN25, 1" | |||||
HLHDW03200X | DN32, 1-1/4" | |||||
HLHDW04000X | DN40, 1-1/2" | |||||
HLHDW05000X | DN50, 2" | |||||
HLHDW06500X | DN65, 2-1/2" | |||||
HLHDW08000X | DN80, 3" | |||||
HLHDW10000X | DN100, 4" | |||||
HLHDW12500X | DN125, 5" | |||||
HLHDW15000X | DN150, 6" |
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Ipò Agbara:Aaye naa nilo lati pese agbara si awọn ifasoke igbale ati sọfun HL Cryogenic Equipment alaye itanna agbegbe (Voltage ati Hertz).
Model | AsopọmọraIru | Iforukọ Dimeter ti Inner Pipe | Design Ipa | Ohun eloti Inner Pipe | Standard | Akiyesi |
HLHDT01000X | Asopọmọra Vacuum Bayonet Iru pẹlu Awọn dimole fun Igbasẹ Yiyi ti o ya sọtọ okun to rọ | DN10, 3/8" | 8 ~ 16 igi | 300 Series Irin alagbara | ASME B31.3 | 00: Design Ipa. 08 jẹ 8bar, 16 jẹ 16bar.
X: Ohun elo ti Inner Pipe. A jẹ 304, B jẹ 304L, C jẹ ọdun 316, D jẹ 316L, E jẹ miiran. |
HLHDB01500X | DN15, 1/2" | |||||
HLHDB02000X | DN20, 3/4" | |||||
HLHDB02500X | DN25, 1" |
Opin Opin ti Paipu Inu:Ti ṣe iṣeduro ≤ DN25 tabi 1 ". Tabi yan Iru Asopọ Bayonet Vacuum pẹlu Flanges ati Bolts (lati DN10, 3/8 "si DN80, 3"), Iru Asopọ Welded (lati DN10, 3/8" si DN150, 6")
Opin Opin Ti Ode Ode:Ti ṣe iṣeduro nipasẹ Standard Enterprise ti HL Cryogenic Equipment. O tun le ṣe ni ibamu si ibeere ti alabara.
Ipa Apẹrẹ: Iṣeduro ≤ 16 igi. Tabi yan, Iru Asopọ Welded (≤40 bar)
Ohun elo ti Lode Pipe: Laisi ibeere pataki, ohun elo ti paipu inu ati paipu ita yoo yan kanna.
Ipò Agbara:Aaye naa nilo lati pese agbara si awọn ifasoke igbale ati sọfun HL Cryogenic Equipment alaye itanna agbegbe (Voltage ati Hertz).