2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Lub geographic cone yog qhov venomous tshaj plaws ntawm 500 paub lub cone qwj hom, thiab ntau tus tib neeg tuag tau raug ntaus nqi rau lawv. Lawv venom, ib tug complex concoction ntawm pua pua ntawm cov co toxins, yog xa los ntawm ib tug harpoonlike hniav propelled los ntawm ib tug expandable proboscis.
Lub plhaub twg muaj tshuaj lom?
Cov ntaub ntawv lub khob hliav qab, los yog cov ntaub ntawv conus, harbors a cone snail, with the conus belongs to the conidae family. Muaj nyob ib ncig ntawm 500 hom sib txawv ntawm lub khob hliav qab, nrog rau cov venomous tshaj plaws ua rau 100 tus neeg co toxins, hu ua conotoxins. Cab qwj yog ib yam tsiaj uas venomous tshaj plaws hauv ntiaj teb.
Puas yog tag nrho cov plhaub plhaub phom sij txaus ntshai?
Txhua lub khob qwj yog venomous thiab muaj peev xwm "stinging" tib neeg; yog tias cov neeg nyob tau tuav lawv cov venomous sting yuav tshwm sim yam tsis tau ceeb toom thiab tuaj yeem ua rau tuag taus. Cov tsiaj uas txaus ntshai tshaj plaws rau tib neeg yog cov cones loj, uas yog me me hauv qab ntses; cov me me no feem ntau yos hav zoov thiab noj cov worms marine.
Lub khob hliav qab twg yog qhov txaus ntshai rau tib neeg?
Conus geographus, hom kab qwj, yog ib yam tsiaj txaus ntshai. Pom muaj nyob rau hauv hiav txwv kub thiab subtropical, cov qwj no nkaum hauv qab cov xuab zeb hauv coral reefs nrog lawv cov siphon tawm.
Lub khob hliav qab puas tuaj yeem tua koj?
Txawm tias tib neeg tsis yog qhov xav tau tsiaj rau cov mollusks no, cov neeg tsis paub qab hau tuaj yeem khaws lub khob tsis ncaj nceesqwj. Cone snail venom muaj zog heev uas nws tuaj yeem ua rau tuag tes tuag taw tam sim ntawd thiab thaum kawg tua cov tsiaj. Hypothetically, cov venom los ntawm ib lub khob qwj muaj tuaj yeem tua tau txog 700 tus neeg.
Pom zoo:
Cov khoom xyaw twg hauv qab no ua cov tshuaj tsw qab hauv cov tshuaj txhuam hniav?
Sodium lauryl sulfate (SLS) yog surfactant feem ntau siv. YPuas yog tshuaj txhuam hniav puas yog surfactant? Surfactants. Ntau, txawm tias tsis yog tag nrho, tshuaj txhuam hniav muaj sodium lauryl sulfate (SLS) lossis lwm yam surfactants (detergents).
Thaum twg lub khob khob sab saud tau tsim?
A Knocker-up (qee lub npe hu ua knocker-upper) yog ib txoj haujlwm hauv tebchaws Askiv thiab Ireland uas tau pib thaum lub sijhawm thiab kav ntev mus rau Industrial Revolution thiab tsawg kawg li lig li xyoo 1920s, ua ntej lub tswb moos pheej yig lossis txhim khu kev qha.
Lub khob hliav qab monochromatism yog dab tsi?
Blue cone monochromatism is an inherited vision disorder vision disorder Ib lub zeem muag tsis pom kev yog qhov tsis zoo ntawm qhov tsis pom kev. Qhov muag tsis pom kev tsis zoo ib yam li kab mob qhov muag. Txawm hais tias muaj ntau qhov tsis pom kev tsis pom kev muaj qhov ua rau lub qhov muag tam sim ntawd, muaj ntau yam ua rau tshwm sim ntawm lwm qhov chaw hauv txoj kev kho qhov muag.
Dab tsi yog lub khob hliav qab?
: ib lub cone los yog pyramid tsis muaj apex thiab xaus rau hauv ib lub dav hlau feem ntau sib npaug rau lub hauv paus. Yuav ua li cas yog lub khob hliav qab? truncated cone - a frustum formed los ntawm lub khob. frustum - ib tug truncated cone los yog pyramid;
Lub khob khob yog dab tsi?
Ib lub tumbler yog lub thawv ntim dej hauv pem teb feem ntau yog ua los ntawm yas, iav lossis stainless hlau. Theories sib txawv raws li etymology ntawm lo lus tumbler. Ib qho kev xav zoo li no yog cov iav qub qub muaj qhov taw qhia lossis lub hauv paus thiab tsis tuaj yeem teeb tsa yam tsis muaj nchuav.
