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Cov lus tsis muaj tseeb

Cov ntsiab lus nthuav dav txog kev siv tshuaj lom neeg

Cov ntsiab lus nthuav dav txog kev siv tshuaj lom neeg Yog lub caij nyoog zoo rau kev kawm ntxiv txog kev tshawb fawb. Qhov kev tshawb fawb no tau cuam tshuam txog physics thiab biology, ntxiv rau lwm thaj chaw ciam teb.

Yog li, ntawm no yog qhov tseeb tshaj plaws nthuav tseeb txog kev paub txog tshuaj.

  1. Txhawm rau pab txhawb lub davhlau ntawm nruab nrab lub dav hlau dav hlau, txog li 80 tons ntawm oxygen yog qhov yuav tsum tau ua. Qhov cov pa no ua rau 40,000 hectares ntawm hav zoov.
  2. Los ntawm 1 tuj ntawm dej hiav txwv, 7 mg ntawm kub tuaj yeem tau txais.
  3. Ntawm txhua cov ntaub ntawv paub, granite tau suav hais tias yog lub suab nrov zoo tshaj plaws.
  4. Qhov tseeb nthuav txog yog tias xab npum npuas ua kom tawg nyob hauv tsuas yog 0.001 vib nas this.
  5. Ib liter dej hiav txwv muaj li 20 g ntsev.
  6. Cov tshuaj lom neeg uas tsis tshua muaj nyob hauv cov huab cua yog radon.
  7. Raws li cov kws tshawb fawb laij cov khoom, dhau los 5 xyoo dhau los, lub ntiaj teb pawg ntau tau kwv yees li 1 billion tons.
  8. Hlau hloov mus rau hauv lub xeev gaseous ntawm qhov kub ntawm 5000 ° C.
  9. Yog tias 100 lab hydrogen atoms yog tais rau hauv ib kab, ces nws yuav yog 1 cm.
  10. Koj puas paub tias nyob rau hauv 1 feeb Lub Hnub tawm xws li ntau npaum lub zog uas yuav txaus rau peb lub ntiaj chaw ib xyoo?
  11. Tus txiv neej yog 75% dej (saib cov lus tseeb nthuav txog dej).
  12. Qhov hnyav tshaj platinum nugget nyhav dhau 7 kg.
  13. Pyotr Stolypin coj ib qho kev xeem ntawm chemistry los ntawm Dmitry Mendeleev nws tus kheej.
  14. Hydrogen yog lub teeb tshaj plaws ntawm txhua qhov roj cua paub.
  15. Cov tshuaj hydrogen zoo ib yam yog tshuaj lom neeg tshaj plaws hauv ntiaj teb.
  16. Pob ntseg tiv thaiv peb lub cev los ntawm cov kab mob phem thiab kab mob.
  17. Hauv 1 feeb thib ob, muaj txog 100,000 tus tshuaj lom neeg nyob hauv tib neeg lub hlwb.
  18. Qhov tseeb nthuav tawm yog tias Ernest Rutherford yog thawj tus neeg tau txais Nobel nqi zog ntawm Chemistry.
  19. Tsis yog txhua tus paub tias nyiaj muaj cov khoom tua kab mob uas pab ntxuav cov dej los ntawm cov kab mob thiab cov kab mob tsis zoo.
  20. Platinum yog Ameslikas luv nqi tshaj nyiaj vim nws qhov infusibility.
  21. Tus kws tshuaj lom neeg nto moo Alexander Fleming yog tus neeg siv tshuaj tua kab mob.
  22. Koj puas paub tias dej kub hloov mus rau dej khov sai dua dej txias?
  23. Raws li niaj hnub no, cov dej huv huv yog nyob hauv Finland (saib cov lus tseeb tseeb txog Finland).
  24. Ua kom cov nplaim ntsuab, nws txaus los ntxiv boron rau nws.
  25. Nitrogen muaj peev xwm ua rau lub siab nyob ntawm yus lub siab.
  26. Txhawm rau ntxiv dag zog hlau, ib qho khoom siv tshuaj xws li vanadium yog siv.
  27. Yog tias hluav taws xob dhau ntawm neon, nws yuav ci liab.
  28. Hauv kev tsim cov khoom sib tw, tsis tsuas yog leej faj siv, tab sis kuj yog phosphorus.
  29. Ntau yam tshuaj lom neeg tuaj yeem tsim tawm los ntawm cov pa roj carbon dioxide.
  30. Qhov ntau tshaj plaws ntawm cov calcium nyob hauv cov khoom siv mis.
  31. Qhov tseeb nthuav tawm yog tias manganese tuaj yeem ua rau intoxication ntawm lub cev.
  32. Cobalt yog siv hauv kev tsim cov hlau nplaum.
  33. Ntawm cov haujlwm nyiam ntawm tus kws tshuaj lom neeg nto moo Dmitry Mendeleev yog kev tsim khoom hauv cov thawv ntim khoom.
  34. Tsis tshua muaj, gallium spoons tuaj yeem yaj hauv dej kub.
  35. Thaum khoov khoov ua rau tawg, cov khoom siv tshuaj indium ua rau lub suab hnyav.
  36. Cesium tau suav hais tias yog cov hlau nquag tshaj plaws (saib cov lus tseeb nthuav dav txog cov hlau).
  37. Ib qho ntawm cov xim hlau tshaj plaws yog tungsten. Nws yog los ntawm nws tias spirals yog tsim hauv qhov muag tsis pom.
  38. Mercury muaj qhov poob qis tshaj plaws.
  39. Cov mentsis me me yuav ua rau tsis pom kev.
  40. Nws hloov tawm tias hauv dej kub nws tsis yooj yim sua kom tshem tawm stains los ntawm cov khoom muaj protein.

Saib cov video: Peb, Peb Vivncaug (Tej Zaum 2025).

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