Video: Ytterbium nqi npaum li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
| Lub npe | Ytterbium |
|---|---|
| Theem ib txwm | Khoom |
| Tsev neeg | Rare Earth Metals |
| Lub sijhawm | 6 |
| Nqi | $530 rau 100 grams |
Tib neeg kuj nug, yog ytterbium tsawg lossis ntau?
Ytterbium yog ib qho ntxiv feem ntau lanthanide cov ntsiab lus, thiab tsis yog tag nrho tsis tshua muaj raws li nws pab pawg neeg lub npe tsis tshua muaj ntiaj teb tej zaum yuav qhia. Qhov tseeb, nws yog 43rd feem ntau ntau lub ntiaj teb thiab muaj ntau yam ntuj tsim dua li tin, bromine, uranium lossis arsenic.
Ib sab saum toj no, lub caij twg muaj 102 neutrons thiab 70 electrons? Ytterbium Element Qhov tseeb. Cov tshuaj keeb ytterbium yog cais raws li lanthanide thiab tsawg lub ntiaj teb hlau.
ytterbium siv li cas hauv lub neej txhua hnub?
Kev siv ntawm ytterbium suav nrog siv los ua hluav taws xob rau cov tshuab x-ray. Nws yog ntxiv rau stainless hlau los txhim kho nws cov khoom siv kho tshuab. Nws tuaj yeem raug ntxiv ua tus neeg sawv cev doping rau fiber ntau optic cable. Nws yog siv ua tej yam lasers.
Tus nqi ntawm einsteinium yog dab tsi?
Einsteinium (EMC2) Einsteinium nqi hnub no yog $0.078950 nrog 24-teev trading ntim ntawm $4,860,119. EMC2 nqe yog nce 2.0% hauv 24 teev dhau los. Nws muaj kev xa khoom ntawm 220 lab npib thiab max mov ntawm 300 lab npib.
Pom zoo:
PlasmaCAM nqi npaum li cas?
Muaj lub tshuab txiav PlasmaCAM rau txog $ 185 toj ib hlis! Hu rau kom paub meej. Yog tias koj xav tau lub teeb plasma, hu rau tus nqi tam sim no. Saib ib qho kev ua qauv qhia zoo heev ntawm peb lub tshuab thiab tshawb pom tias vim li cas tus nqi qis tshaj CNC plasma system kuj yog qhov zoo tshaj plaws
Yuav ua li cas koj thiaj nrhiav tau tus nqi ploj ntawm tus nqi tsim?
Tus nqi ntawm ib qho tshuaj tiv thaiv yog qhov kev hloov hauv kev concentration ntawm qhov kev hloov ntawm lub sijhawm. Cov tshuaj tiv thaiv tuaj yeem txhais tau li no: tus nqi ploj ntawm A tus nqi = −Δ [A] Δt. tus nqi ploj ntawm B tus nqi = − Δ [B] Δt. tus nqi tsim ntawm C tus nqi = Δ [C] Δt. tus nqi tsim ntawm D) tus nqi = Δ [D] Δt
Yuav ua li cas koj thiaj nrhiav tau tus nqi siab tshaj plaws ntawm lub quadratic muaj nuj nqi?
Yog tias koj tau txais cov mis y = ax2 + bx + c, ces koj tuaj yeem pom tus nqi siab tshaj plaws uas siv cov mis max = c- (b2 / 4a). Yog tias koj muaj qhov sib npaug y = a (x-h) 2 + k thiab theatrem tsis zoo, ces qhov siab tshaj plaws yog k
Txhais li cas los ntawm tus nqi ntws ntawm tus nqi hluav taws xob?
Ib coulomb ib ob
Yuav ua li cas koj thiaj paub tias muaj nuj nqi yog lub zog muaj nuj nqi?
VIDEO Ib yam li ntawd, tib neeg nug, dab tsi ua rau lub zog ua haujlwm? A lub zog ua haujlwm yog a muaj nuj nqi qhov twg y = x ^n qhov twg n yog tus lej tiag tiag. Ntau tus niam txiv muaj nuj nqi xws li linear muaj nuj nqi thiab quadratic muaj nuj nqi yog qhov tseeb lub zog ua haujlwm .