Vacuum Insulation Madaidaicin Hose
Babban Ayyukan Insulation: Tsarin Insulation Flexible Hose Series yana amfani da fasahar rufewa mai yanke-yanke don sadar da keɓaɓɓen rufin zafi. Ta hanyar rage yawan canja wurin zafi, yana kiyaye yanayin zafi yadda ya kamata kuma yana rage asarar makamashi, yana haɓaka inganci a cikin hanyoyin masana'antu.
Kyakkyawan sassauci da Dorewa: An ƙera shi daga sassauƙa da kayan ɗorewa, Kayan aikin mu na Vacuum Insulation Flexible Hose Series yana ba da sauƙin motsi da sarrafawa ba tare da lalata aikin rufi ba. Ƙarfin gininsa yana tabbatar da tsawon rai da aminci har ma da yanayin aiki mai buƙata.
Sauƙaƙan Shigarwa da Ƙarfafawa: An ƙirƙiri Tsarin Insulation Flexible Hose Series don sauƙaƙe shigarwa maras wahala. Tare da nau'i-nau'i masu girma dabam da ke samuwa, waɗannan hoses za a iya keɓance su don dacewa da ƙayyadaddun buƙatun aikace-aikacen, tabbatar da haɗin kai maras kyau a cikin tsarin da ake ciki da kuma haɓaka aikin aiki.
Ingantattun Tsaro: Ba da fifiko ga aminci, Kayan aikin mu na Vacuum Insulation Flexible Hose Series an ƙera shi da kayan da ke da juriya ga wuta, sinadarai, da matsanancin zafi. Wannan yana tabbatar da ingantaccen jigilar ruwa, rage haɗarin haɗari da ƙirƙirar yanayin aiki mai aminci.
Magani na Abokin Hulɗa: Ta hanyar rage asarar zafi sosai da rage yawan kuzari, Tsarin Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan mu yana ba da gudummawa ga dorewar muhalli. Yana taimakawa rage hayakin carbon kuma yana tallafawa kasuwanci a ƙoƙarinsu na cimma ayyukan da suka dace da muhalli.
Bidiyo
Bututun da ba a rufe ba
Vacuum Insulated Hose (Vacuum hose), wato Vacuum Jacketed Hose, a matsayin Cikakkar abin da zai maye gurbin rufin bututu na al'ada. Idan aka kwatanta da rufin bututu na al'ada, ƙimar zafi na VIP shine kawai 0.05 ~ 0.035 sau na rufin bututu na al'ada. Mahimmanci tanadin makamashi da farashi ga abokan ciniki.
Jerin samfurin Vacuum Insulated Hose, Vacuum Insulated Pipe, Vacuum Insulated Valve, da Mai Rarraba Mataki a cikin Kamfanin Kayan Aikin HL Cryogenic, wanda ya wuce ta jerin manyan jiyya na fasaha, ana amfani dashi don canja wurin oxygen na ruwa, nitrogen ruwa, argon ruwa, ruwa hydrogen, helium ruwa, LEG da LNG, kuma waɗannan samfuran ana ba da su don kayan aikin cryogenic (misali tankin cryogenic, dewar da akwatin sanyi da sauransu) a cikin masana'antar rabuwar iska, gas, jirgin sama, lantarki, superconductor, kwakwalwan kwamfuta, kantin magani, asibiti, bankin biobank. , abinci & abin sha, aiki da kai taro, roba, sabon abu Manufacturing sunadarai injiniya, baƙin ƙarfe & karfe, da kimiyya bincike da dai sauransu.
Nau'o'in Haɗuwa Hudu
Don haɓaka buƙatun abokan ciniki daban-daban, yawanci ana samun nau'ikan haɗin kai guda huɗu don VI Flexible Hose. Nau'o'in haɗin kai guda uku na farko suna aiki ne kawai ga wuraren haɗin kai tsakanin VI M Hoses. Na huɗu, nau'in haɗin zaren ana amfani dashi gabaɗaya don haɗin VI Hose zuwa kayan aiki da tankin ajiya.
Lokacin da VI Flexible Hose ya haɗu tare da kayan aiki, tankin ajiya da sauransu, haɗin haɗin haɗin gwiwa zai iya daidaitawa bisa ga bukatun abokin ciniki.
Iyakar Aikace-aikacen
Vacuum Bayoneti Connection Type tare da Clamps | Nau'in Haɗin Bayonet Vacuum tare da Flanges da Bolts | Nau'in Haɗin Welded | Nau'in Haɗin Haɗin Kan Zare | |
Nau'in Haɗi | Matsa | Flanges da Bolts | Weld | Zare |
Nau'in Insulation a haɗin gwiwa | Vacuum | Vacuum | Perlite ko Vacuum | Nade kayan da aka rufe |
Jiyya mara kyau a wurin | No | No | Ee, perlite da aka cika ko kuma fitar da famfo daga Insulated Sleeves a gidajen abinci. | Ee |
Matsakaicin Diamita na Bututun Ciki | DN10(3/8")~DN25(1") | DN10(3/8")~DN80(3") | DN10(3/8")~DN150(6") | DN10(3/8")~DN25(1") |
Tsananin Tsara | ≤8 bar | ≤16 bar | ≤40 bar | ≤16 bar |
Shigarwa | Sauƙi | Sauƙi | Weld | Sauƙi |
Zazzabi Zane | -196℃~ 90℃ (LH2 & LHe:-270℃ ~ 90℃) | |||
Tsawon | ≥ 1 mita/pcs | |||
Kayan abu | 300 Series Bakin Karfe | |||
Matsakaici | LN2, LOX, LAr, LHe, LH2, LNG |
Murfin Kariya
Iyakar Kayan Samfur
Samfura | Ƙayyadaddun bayanai | Haɗin Vacuum Bayonet tare da Matsala | Haɗin Vacuum Bayonet tare da Flanges da Bolts | Haɗin Insulated Weld | Haɗin Zare |
Vacuum Insulated Mai Sauƙin Ruwa | DN8 | EE | EE | EE | EE |
DN15 | EE | EE | EE | EE | |
DN20 | EE | EE | EE | EE | |
DN25 | EE | EE | EE | EE | |
DN32 | / | EE | EE | / | |
DN40 | / | EE | EE | / | |
DN50 | / | EE | EE | / | |
DN65 | / | EE | EE | / | |
DN80 | / | EE | EE | / | |
DN100 | / | / | EE | / | |
DN125 | / | / | EE | / | |
DN150 | / | / | EE | / |
Halayen Fasaha
Zazzabi Zane | -196~90℃ (LHe:-270~90℃) |
Yanayin yanayi | -50 ~ 90 ℃ |
Matsakaicin Leaka | ≤1*10-10Ba*m3/S |
Matakan Vacuum bayan Garanti | ≤0.1 Pa |
Hanyar da aka keɓe | Babban Vacuum Multi-Layer Insulation. |
Adsorbent da Getter | Ee |
Gwajin Matsi | 1.15 Lokaci Tsara Matsi |
Matsakaici | LO2, LN2, LAr, LH2, LHe, KAFA, LNG |
Dynamic and Static Vacuum Insulated Mlexable Hose
Vacuum Insulated (VI) Za a iya raba tiyo mai sassauƙa zuwa Dynamic da Static VI Flexible Hose.
lThe Static VI Hose an kammala cikakke a cikin masana'antar masana'anta.
lAna ba da Tsarin Dynamic VI mafi kwanciyar hankali ta hanyar ci gaba da yin famfo na tsarin famfo a wurin, kuma ba za a ƙara yin aikin motsa jiki a masana'anta ba. Sauran taro da kuma aiwatar da magani har yanzu yana cikin masana'antar masana'anta. Don haka, Dynamic VJ Piping yana buƙatar sanye take da Tsarin Pump na Vacuum.
Matsakaicin Matsakaicin Insulated Motsi mai sassauci | A tsaye Vacuum Insulated Mai Sauƙi Hose | |
Gabatarwa | Ana sa ido akan matakin injin injin interlayer akai-akai, kuma ana sarrafa injin famfo ta atomatik don buɗewa da rufewa, don tabbatar da kwanciyar hankali da ingancin digiri. | VJMotsi mai sassaucis kammala aikin rufewa a cikin masana'antar masana'anta. |
Amfani | Riƙewar injin ya fi kwanciyar hankali, ainihin kawar da injin injin a cikin aiki na gaba. | Ƙarin zuba jari na tattalin arziki da shigarwa mai sauƙi a kan shafin |
Vacuum Bayonet Connection Type with Clamps | Mai nema | Mai nema |
Nau'in Haɗin Bayonet Vacuum tare da Flanges da Bolts | Mai nema | Mai nema |
Nau'in Haɗin Welded | Mai nema | Mai nema |
Nau'in Haɗin Haɗin Kan Zare | Mai nema | Mai nema |
Dynamic Vacuum Insulated MaikiTsari: Kunshi Matsakaicin Matsakaicin Matsala, Ruwan Jumper da Tsarin Fam ɗin Vacuum (ciki har da famfunan iska, bawul ɗin solenoid da ma'auni). A sauƙaƙe shigar a cikin ƙaramin ɗaki. Tsawon Vacuum Insulated Flexible Hose guda ɗaya ana iya keɓance shi bisa ga buƙatun abokin ciniki.
2.SAKAMAKO DA MISALI
HL-HX-X-000-00-X
Alamar
HL Cryogenic Equipment
Bayani
HD: Dynamic VI Hose
HS: Static VI Hose
Nau'in Haɗi
W: Nau'in Haɗin Welded
B: Vacuum Bayonet Connection Type with Clamps
F: Nau'in Haɗin Haɗin Vacuum Bayone tare da Flanges da kusoshi
T: Nau'in Haɗin Haɗin Kai
Matsakaicin Diamita na Bututun Ciki
010: DN10
…
080: DN80
…
150: DN150
Tsananin Tsara
08:8 ku
16:16 bar
25:25 bar
32: 32 bar
40: 40 bar
Abubuwan Bututun ciki
Saukewa: SS304
Saukewa: SS304L
Saukewa: SS316
Saukewa: SS316L
E: Wasu
3.1 Tsayayyen Vacuum Insulated Cryogenic Motsi Mai Sauƙi
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHSB01008X | Nau'in Haɗin Vacuum Bayonet tare da Maɗaukaki don Tsayayyen Vacuum Insulated Motsi Mai Sauƙi | DN10, 3/8" | 8 bar
| 300 Series Bakin Karfe | ASME B31.3 | X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
HLHSB01508X | DN15, 1/2" | |||||
HLHSB02008X | DN20, 3/4" | |||||
HLHSB02508X | DN25, 1" |
Matsakaicin Diamita na Bututun Ciki:An ba da shawarar ≤ DN25 ko 1" Ko zaɓi nau'in Haɗin Haɗin Vacuum Bayonet tare da Flanges da Bolts (daga DN10, 3/8 "zuwa DN80, 3"), Nau'in Haɗin Welded (daga DN10, 3/8" zuwa DN150, 6")
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Matsin ƙira: An ba da shawarar ≤ 8 mashaya. Ko zaɓi nau'in Haɗin Vacuum Bayonet tare da Flanges da Bolts (≤16 mashaya), Nau'in Haɗin Welded (≤40 mashaya)
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHSF01000X | Nau'in Haɗin Haɗin Vacuum Bayonet tare da Flanges da Bolts don Tsayayyen Vacuum Insulated Mai Sauƙi Hose | DN10, 3/8" | 8 ~ 16 bar | 300 Series Bakin Karfe | ASME B31.3 | 00: Tsananin Tsara. 08 8 bar, 16 shine 16 bar.
X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
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" |
Matsakaicin Diamita na Bututun Ciki:An ba da shawarar ≤ DN80 ko 3" Ko zaɓi nau'in Haɗin Haɗin Welded (daga DN10, 3/8 "zuwa DN150, 6"), Nau'in Haɗin Bayoneti tare da Matsala (daga DN10, 3/8 "zuwa DN25, 1").
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Matsin ƙira: An ba da shawarar ≤ 16 mashaya. Ko zaɓi Nau'in Haɗin Haɗin Wuta (≤40 mashaya).
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHSW01000X | Nau'in Haɗin Haɗin Welded don Tsayayyen Vacuum Insulated Mai Sauƙi | DN10, 3/8" | 8-40 bar | 300 Series Bakin Karfe | ASME B31.3 | 00: Tsananin Tsara 08 8 bar, 16 bar 16, kuma 25, 32, 40.
X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
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" |
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHST01000X | Nau'in Haɗin Vacuum Bayonet tare da Maɗaukaki don Tsayayyen Vacuum Insulated Motsi Mai Sauƙi | DN10, 3/8" | 8 ~ 16 bar | 300 Series Bakin Karfe | ASME B31.3 | 00: Tsananin Tsara. 08 8 bar, 16 shine 16 bar.
X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
HLHSB01500X | DN15, 1/2" | |||||
HLHSB02000X | DN20, 3/4" | |||||
HLHSB02500X | DN25, 1" |
Matsakaicin Diamita na Bututun Ciki:An ba da shawarar ≤ DN25 ko 1" Ko zaɓi nau'in Haɗin Haɗin Vacuum Bayonet tare da Flanges da Bolts (daga DN10, 3/8 "zuwa DN80, 3"), Nau'in Haɗin Welded (daga DN10, 3/8" zuwa DN150, 6")
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Matsin ƙira: An ba da shawarar ≤ 16 mashaya. Ko zaɓi nau'in Haɗin Welded (≤40 mashaya)
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
3.2Tsarin Matsakaicin Matsakaicin Tsarin Bututun Ruwa
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHDB01008X | Nau'in Haɗin Haɗin Vacuum Bayonet tare da Maɗaukaki don Ruwan Wuta Mai Sauƙi | DN10, 3/8" | 8 bar
| 300 Series Bakin Karfe | ASME B31.3 | X:Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
HLHFarashin 01508X | DN15, 1/2" | |||||
HLHFarashin 02008X | DN20, 3/4" | |||||
HLHFarashin 02508X | DN25, 1" |
Matsakaicin Diamita na Bututun Ciki:An ba da shawarar ≤ DN25 ko 1" Ko zaɓi nau'in Haɗin Haɗin Vacuum Bayonet tare da Flanges da Bolts (daga DN10, 3/8 "zuwa DN80, 3"), Nau'in Haɗin Welded (daga DN10, 3/8" zuwa DN150, 6")
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Matsin ƙira: An ba da shawarar ≤ 8 mashaya. Ko zaɓi nau'in Haɗin Vacuum Bayonet tare da Flanges da Bolts (≤16 mashaya), Nau'in Haɗin Welded (≤40 mashaya)
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Yanayin Wuta:Wurin yana buƙatar samar da wutar lantarki ga injin famfo kuma ya sanar da HL Cryogenic Equipment bayanan wutar lantarki na gida (Voltage da Hertz).
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHDF01000X | Nau'in Haɗin Haɗin Vacuum Bayonet tare da Flanges da Bolts don Matsakaicin Matsala Mai Sauƙi | DN10, 3/8" | 8 ~ 16 bar | 300 Series Bakin Karfe | ASME B31.3 | 00: Tsananin Tsara. 08 8 bar, 16 shine 16 bar.
X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
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" |
Matsakaicin Diamita na Bututun Ciki:An ba da shawarar ≤ DN80 ko 3" Ko zaɓi nau'in Haɗin Haɗin Welded (daga DN10, 3/8 "zuwa DN150, 6"), Nau'in Haɗin Bayoneti tare da Matsala (daga DN10, 3/8 "zuwa DN25, 1").
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Matsin ƙira: An ba da shawarar ≤ 16 mashaya. Ko zaɓi Nau'in Haɗin Haɗin Wuta (≤40 mashaya).
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Yanayin Wuta:Wurin yana buƙatar samar da wutar lantarki ga injin famfo kuma ya sanar da HL Cryogenic Equipment bayanan wutar lantarki na gida (Voltage da Hertz).
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHDW01000X | Nau'in Haɗin Haɗin Welded don Tsayayyen Vacuum Insulated Mai Sauƙi | DN10, 3/8" | 8-40 bar | Bakin Karfe 304, 304L, 316, 316L | ASME B31.3 | 00: Tsananin Tsara 08 8 bar, 16 bar 16, kuma 25, 32, 40. .
X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
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" |
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Yanayin Wuta:Wurin yana buƙatar samar da wutar lantarki ga injin famfo kuma ya sanar da HL Cryogenic Equipment bayanan wutar lantarki na gida (Voltage da Hertz).
Model | Haɗin kaiNau'in | Matsakaicin Diamita na Bututun Ciki | Tsananin Tsara | Kayan abuna Inner Pipe | Daidaitawa | Magana |
HLHDT01000X | Nau'in Haɗin Haɗin Vacuum Bayonet tare da Maɗaukaki don Ruwan Wuta Mai Sauƙi | DN10, 3/8" | 8 ~ 16 bar | 300 Series Bakin Karfe | ASME B31.3 | 00: Tsananin Tsara. 08 8 bar, 16 shine 16 bar.
X: Abubuwan Bututun ciki. A 304, B shine 304l. C shine 316. D 316l, E sauran. |
HLHFarashin DB01500X | DN15, 1/2" | |||||
HLHFarashin DB02000X | DN20, 3/4" | |||||
HLHFarashin DB02500X | DN25, 1" |
Matsakaicin Diamita na Bututun Ciki:An ba da shawarar ≤ DN25 ko 1" Ko zaɓi nau'in Haɗin Haɗin Vacuum Bayonet tare da Flanges da Bolts (daga DN10, 3/8 "zuwa DN80, 3"), Nau'in Haɗin Welded (daga DN10, 3/8" zuwa DN150, 6")
Matsakaicin Diamita na Bututu Waje:Matsayin Kasuwanci na HL Cryogenic Equipment ya ba da shawarar. Hakanan za'a iya samarwa bisa ga buƙatun abokin ciniki.
Matsin ƙira: An ba da shawarar ≤ 16 mashaya. Ko zaɓi nau'in Haɗin Haɗin Welded (≤40 mashaya)
Abubuwan Bututu na waje: Ba tare da buƙatun musamman ba, za a zaɓi kayan bututu na ciki da na waje iri ɗaya.
Yanayin Wuta:Wurin yana buƙatar samar da wutar lantarki ga injin famfo kuma ya sanar da HL Cryogenic Equipment bayanan wutar lantarki na gida (Voltage da Hertz).