2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Anglesite tshwm sim li prismatic orthorhombic crystals thiab earthy masses, thiab isomorphous nrog barite thiab celestine. Nws muaj 74% ntawm cov hlau lead los ntawm huab hwm coj thiab yog li nws muaj qhov tshwj xeeb ntawm lub ntiajteb txawj nqus ntawm 6.3. Anglesite xim yog dawb lossis grey nrog daj ntseg daj streaks. Tej zaum nws yuav grey tsaus yog tias tsis huv.
Dab tsi yog pob zeb hauv Anglesite?
Anglesite, ib txwm tshwm sim cov hmoov lead sulfate (PbSO 4). Ib qho ntxhia hauv nruab nrab uas yog cov hlau me me ntawm cov hlau lead, feem ntau yog tsim los ntawm oxidation ntawm galena thiab feem ntau tsim ib qho kev sib koom ua ke ntawm pawg nyob ib puag ncig ib qho tseem ceeb ntawm cov galena uas tsis hloov pauv.
Dab tsi yog Anglesite siv?
Nws feem ntau tsis muaj xim lossis dawb thiab qee zaus daj, daj ntseg, xiav lossis ntsuab xim. Nws muaj luster siab. Cov qauv no tuaj ntawm Morocco. Qee qhov kev siv cov hmoov lead yogroj teeb, kav dej, mos txwv, suab absorber, daim thaiv ntawm x-rays thiab hluav taws xob, xim xim, iav thiab tshuaj tua kab.
Anglesite pom qhov twg?
Anglesite yog ib qho ntxhia uas pom muaj nyob hauv oxidized lead depositsthiab tuaj yeem ua cov ore tseem ceeb. Cov chaw rau cov khoom siv crystallized zoo nyob hauv Wales, England, Scotland, Austria, Slovenia, Lub teb chaws Yelemees, Sardinia, Russia, Tunisia, Morocco, Namibia, Tebchaws Meskas, Mexico, thiab Australia.
Yog Anglesite toxic?
Tshuaj lom los ntawm kev nqus pa, nqus thiab nqus ntawm daim tawv nqaij
Pom zoo:
Puas yog kab pheeb ces kaum txiav lub kaum sab xis ib nrab?
Txhua kab pheeb ces kaum faib ib lub ces kaum mus rau ob lub ces kaum. Nco ntsoov tias cov kab pheeb ces kaum sib npaug thiab txiav ib nrab ntawm cov ces kaum sab xis. Puas diagonal bisect an angle? kab pheeb ces kaum bisect the angles.
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi yog lub kaum sab xis infrasternal?
Lub kaum sab xis infrasternal (subcostal lub kaum sab xis) yog tsim nyob rau hauv pem hauv ntej ntawm thoracic tawb los ntawm cov pob txha mos ntawm lub kaum, cuaj, yim, thiab xya tav, uas nce mus rau ob sab, qhov twg lub apex uas cov txheej txheem xiphoid tej yaam num.
Lub kaum sab xis yog daim duab peb sab?
Triangle angle sum theorem: Qhov no hais tias cov lej ntawm tag nrho peb lub kaum sab hauv sab hauv Lub kaum sab xis Nyob rau hauv geometry, lub kaum sab hauv ntawm daim duab peb sab yog cov kaum sab xis uas tsim hauv daim duab peb sab. Cov ces kaum sab hauv muaj cov khoom nram qab no:
Dab tsi yog daim ntawv cog lus lub kaum sab xis ntawm trigonal bipyramidal?
Trigonal bipyramidal: tsib atoms nyob ib ncig ntawm lub hauv paus atom; peb nyob rau hauv ib lub dav hlau nrog cov ces kaum ntawm120 °thiab ob ntawm qhov kawg ntawm cov molecule. Dab tsi yog daim ntawv cog lus lub kaum sab xis ntawm trigonal pyramidal?
