Hordhac kooban
Magaca alaabta: Lanthanum
Formula: La
CAS No.: 7439-91-0
Miisaanka Molecular: 138.91
Cufnaanta: 6.16 g/cm3
Barta dhalaalka: 920 ℃
Muuqashada: Qaybo buro ah oo lacag ah, ul, ul, bireed, silig, iwm.
Xasilooni: Si fudud oo oksijiin ah hawada.
Ductibility: Wanaagsan
Luuqadaha badan: Lanthan Metall, Bir De Lanthane, Bir Del Lantano
Koodhka badeecada | 5764 | 5765 | 5767 |
Darajo | 99.95% | 99.9% | 99% |
CUSBOONAYSIINTA Kiimikada | |||
La/TREM (% daq.) | 99.95 | 99.9 | 99 |
TREM (% daq.) | 99.5 | 99.5 | 99 |
Naadirka Dhulka Naadirka ah | % ugu badnaan | % ugu badnaan | % ugu badnaan |
Ce/TREM Pr/TREM Nd/TREM Sm/TREM Eu/TREM Gd/TREM Y/TREM | 0.05 0.01 0.01 0.001 0.001 0.001 0.001 | 0.05 0.05 0.01 0.005 0.005 0.005 0.01 | 0.1 0.1 0.1 0.1 0.1 0.1 0.1 |
Wasakhyada Dhulka Aan Naadirka Ahayn | % ugu badnaan | % ugu badnaan | % ugu badnaan |
Fe Si Ca Al Mg C Cl | 0.1 0.025 0.01 0.05 0.01 0.03 0.01 | 0.2 0.03 0.02 0.08 0.03 0.05 0.02 | 0.5 0.05 0.02 0.1 0.05 0.05 0.03 |
1. Wakiilka Alloying:
- Biraha iyo Aluminium Alloys: Lanthanum waxaa loo isticmaalaa sida wakiilka alloying si loo hagaajiyo sifooyinka biraha kala duwan. Soo saarista birta, lanthanum waxay caawisaa inay kor u qaaddo xoogga, ductility, iyo iska caabinta daxalka. Waxay si gaar ah qiimo u leedahay soo saarista birta tayada sare leh ee loo isticmaalo deegaan baahida loo qabo, sida hawada sare iyo warshadaha baabuurta.
- Alloys Magnesium: Lanthanum waxa kale oo loo isticmaalaa daawaha magnesium si loo hagaajiyo xasiloonida heerkulka sare, caabbinta gurguurta, iyo guud ahaan sifooyinka farsamada. Alloys-ka magnesium-ka waxa loo adeegsadaa codsiyada meelaha fudfudud, agabka xoogga badan looga baahan yahay, sida qaybaha baabuurta, qaab-dhismeedka diyaaradaha, iyo qalabka elegtarooniga ah ee la qaadi karo.
2. Kaydinta Hydrogen:
-Nickel-Metal Hydride (NiMH) baytariyada: Lanthanum waa qayb muhiim ah oo ka mid ah soo saarista baytariyada NiMH, kuwaas oo si weyn loogu isticmaalo baabuurta korantada isku-dhafan (HEVs), korantada la qaadi karo, iyo qalabka korontada. Awoodda birta ay u leedahay inay nuugo oo ay si hufan u sii deyso hydrogen waxay ka dhigtaa shay lagama maarmaan u ah korantada taban ee baytariga, taasoo gacan ka geysata cufnaanta tamarta guud iyo cimriga batteriga.
3. Catalysis:
- Beddelayaasha Catalytic: Lanthanum waxaa loo isticmaalaa beddelayaasha gawaarida gawaarida, kaas oo yareynaya qiiqa waxyeelada leh ee baabuurta. Waxay u shaqeysaa sidii dejiye loogu talagalay taageerada alumina ee kicinta, kor u qaadida waxtarka iyo cimri dhererka walxaha kicinta, taas oo gacan ka geysata inay u beddesho gaasaska sunta ah sida carbon monoxide iyo nitrogen oxides ee walxaha waxyeelada yar.
Sifaynta batroolka: Lanthanum waxa uu ka shaqeeyaa kicinta dareeraha catalytic cracking (FCC) ee loo isticmaalo sifaynta batroolka si ay u burburiso hydrocarbons culus oo ay u kala jajabiso jajabyo fudud sida shidaalka iyo naaftada. Lanthanum waxay gacan ka geysataa kordhinta dhaqdhaqaaqa iyo xulashada wax-soo-saarka, hagaajinta wax-soo-saarka badeecadaha la jecel yahay iyo hufnaanta habka sifaynta.
4. Dhalooyinka iyo Ceramics:
- Muraayadaha indhaha: Lanthanum waxaa loo isticmaalaa soo saarista muraayadaha indhaha, halkaas oo ay ka caawiso hagaajinta index refractive iyo caddaynta indhaha. Muraayadaha ka kooban Lanthanum ayaa loo isticmaalaa muraayadaha kamaradaha, muraayadaha indhaha, iyo qalabyada indhaha oo tayo sare leh, halkaas oo saxnaanta iyo caddayntu ay muhiim tahay.
Alaabta dhoobada ah: Lanthanum waxa kale oo loo isticmaalaa soo saarista dhoobada horumarsan, halkaas oo ay kor u qaadayso xasiloonida kulaylka, sifooyinka dielectric, iyo xoogga farsamada. dhoobadaan waxaa loo isticmaalaa codsiyada sida elektarooniga, isgaarsiinta, iyo deegaanka heerkulku sarreeyo.
5. Iftiin:
- Lamps Carbon Arc: Taariikh ahaan, lanthanum waxaa loo isticmaali jiray soo saarista nalalka kaarboonka, kuwaas oo mar si weyn loogu isticmaali jiray warshadaha filimada iyo telefishinada iftiinka istuudiyaha sababtoo ah soo saaridooda iftiin dhalaalaya oo deggan. In kasta oo aan caadi ahayn maanta, doorka lanthanum ee codsiyada iftiiminta waxay muujinaysaa awoodda ay u leedahay inay kor u qaaddo walxaha iftiiminaya.
Fosfoorrada ku jira Iftiinka LED: Lanthanum waxaa loo isticmaalaa soo saarista fosfooraska iftiinka LED iyo teknoolojiyadda bandhigga. Fosfoorayaasha Lanthanum-ku-saleysan waxay gacan ka geystaan hagaajinta dhalaalka, hufnaanta, iyo samaynta midabka LED-yada, kuwaas oo si weyn loogu isticmaalo nidaamyada iftiinka casriga ah, bandhigyada, iyo calaamadaha.
6. Codsiyada Nukliyeerka:
Qaybaha Nuclear-ka Nukliyeerka: Lanthanum waxaa loo isticmaalaa qaybo ka mid ah fal-celinta nukliyeerka sababtoo ah sifooyinka nuugista neutronka. Waxaa loo adeegsadaa ulaha kantaroolka iyo qaybaha kale ee reactor halkaas oo xakamaynta heerka fission iyo maaraynta falcelinta nukliyeerka ay muhiim u yihiin hawlgal ammaan ah oo hufan.
7. Codsiyada caafimaadka:
- Wakiilada isbarbardhiga shucaaca: Iskudhisyada Lanthanum waxaa loo isticmaalaa sawirida caafimaadka sida wakiilada isbarbardhiga ee raajada iyo MRI. Wakiiladani waxay gacan ka geystaan kor u qaadista muuqaalka dhismayaasha qaarkood ee jirka dhexdiisa, iyagoo caawinaya baaritaanka saxda ah ee xaaladaha caafimaad ee kala duwan.
Dib-u-soo-nooleynta lafaha: Lanthanum waxaa lagu baarayaa isticmaalka suurtagalka ah ee daaweynta dib-u-soo-nooleynta lafaha, halkaasoo laga yaabo inay door ka qaadato horumarinta korriinka iyo hagaajinta unugyada lafaha.
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