Science 2024, Hlis ntuj nqeg

Regular pentagon: qhov tsim nyog yam tsawg kawg nkaus ntawm cov ntaub ntawv

Ozhegov's Explanatory Dictionary hais tias lub pentagon yog ib daim duab geometric bounded los ntawm tsib txoj kab ncaj nraim ua tsib lub kaum sab hauv, nrog rau txhua yam khoom ntawm cov duab zoo sib xws. Yog hais tias ib tug muab polygon muaj tag nrho cov tib sab thiab cov ces kaum, ces nws yog hu ua ib txwm (pentagon). Kawg hloov kho: 2023-12-17 05:12

Teleportation. Puas yog qhov tshwm sim no tau tshawb fawb?

Zaj lus hais txog qhov kev xa xov tooj yog dab tsi, puas ua tau. Nws txoj kev hypothetical ntawm kev siv yog suav tias yog, uas nws yuav pab tau. Kawg hloov kho: 2023-12-17 05:12

Quasar is Dab tsi yog quasar?

Nyob deb ntawm 2 billion lub teeb xyoo los ntawm peb lub tsev yog qhov khoom muaj zog tshaj plaws thiab tuag taus nyob hauv peb lub ntiaj teb tag nrho. Ib tug quasar yog ib tug dazzling beam ntawm lub zog uas spans ob peb billion kilometers. Cov kws tshawb fawb tsis tuaj yeem kawm tag nrho cov khoom no. Kawg hloov kho: 2023-12-17 05:12

Regeneration is recovery: cov tshuaj tshiab

Txhua tus tau hnov txog tsov ntxhuav muaj peev xwm rov tsim tau tus Tsov tus tw. Ntawm chav kawm, qhov siab dua cov kab mob hauv hierarchy, qhov nyuaj dua yog cov txheej txheem ntawm kev tsim dua tshiab hauv nws. Nws tshwm sim ntawm ntau theem ntawm lub koom haum, los ntawm cov hlwb mus rau qib ntawm cov ntaub so ntswg; nyob rau theem ntawm cov kabmob hauv cov tsiaj nyeg, kev tsim dua tshiab tsis tshwm sim, tab sis nyob rau hauv lub moj khaum ntawm ib lub cev nws ua. Tus tuav ntaub ntawv yog lub siab. Yog li cov lus dab neeg ntawm Prometheus, uas nws lub siab raug pecked los ntawm ib tug dav dawb hau, thiab nws loj hlob du. Kawg hloov kho: 2023-12-17 05:12

Cov kab mob thiab ua pa ntawm cov tsiaj nyeg. Cov kab mob uas tsim lub circulatory system ntawm cov tsiaj

Nyob rau hauv peb tsab xov xwm peb yuav xav txog lub circulatory system ntawm mammals, nws Cheebtsam thiab nta ntawm kev ua hauj lwm. Nws yog ib qho tseem ceeb rau txhua yam muaj sia nyob. Qhov no yog qhov kev siv ntawm kev sib pauv roj, tsim kev tiv thaiv thiab kev saib xyuas ntawm homeostasis. Dab tsi nta ua kom txoj haujlwm nyuaj no ua tau?. Kawg hloov kho: 2023-12-17 05:12

Lub circulatory system ntawm tib neeg thiab tsiaj lub cev

Rau txhua tus, yam tsis muaj kev zam, ntau cov kab mob sib txawv nrog cov ntaub so ntswg thiab cov kabmob sib txawv, qhov xwm txheej tseem ceeb rau lawv lub neej yog qhov xav tau hloov oxygen thiab cov as-ham rau cov hlwb uas tsim lawv lub cev. Kawg hloov kho: 2023-12-17 05:12

Immobilized enzymes thiab lawv daim ntawv thov

Lub tswvyim ntawm immobilized enzymes thawj zaug tshwm sim nyob rau hauv ib nrab ntawm lub xyoo pua 20th. Lub caij no, rov qab rau xyoo 1916, nws tau pom tias sucrose sorbed ntawm carbon khaws nws cov haujlwm catalytic. Xyoo 1953, D. Schleit thiab N. Grubhofer tau ua thawj qhov kev sib txuas ntawm pepsin, amylase, carboxypeptidase nrog cov cab tsis soluble. Kawg hloov kho: 2023-12-17 05:12

Geocentric system ntawm lub ntiaj teb

Lub geocentric system ntawm lub ntiaj teb no yog ib lub tswv yim ntawm cov qauv ntawm lub ntug, raws li lub hauv paus ntsiab lus nyob rau hauv tag nrho lub ntiaj teb no yog peb lub ntiaj teb, thiab lub hnub, hli, raws li zoo raws li tag nrho lwm cov hnub qub thiab ntiaj chaw. kiv puag ncig nws. Kawg hloov kho: 2023-12-17 05:12

Lub tswvyim ntawm "evolution" hauv kev xav

Lub tswv yim ntawm "evolution" tau muaj kev txhawj xeeb ntev rau cov kws tshawb fawb thoob ntiaj teb. Qee tus tab tom sim txuas lo lus no nrog kev xav, lwm tus tab tom sim txiav txim siab thaum kawg ntawm nws txoj kev txhais lus lom neeg. Kawg hloov kho: 2023-12-17 05:12

Cytology yog ib ceg cog lus zoo tshaj plaws ntawm tib neeg kev paub

Cytology yog ib qho kev tshawb fawb uas kawm txog kev sib cuam tshuam ntawm tes thiab cov qauv ntawm tes, uas, dhau los, yog ib qho tseem ceeb ntawm txhua yam kab mob nyob. Cov txheej txheem ntawm niaj hnub cytology yog dav siv nyob rau hauv kev tshawb fawb muaj txiaj ntsig zoo rau tib neeg, piv txwv li, hauv kev tshawb fawb ntawm cov qog nqaij hlav cancer, kev cog qoob loo ntawm cov khoom nruab nrog cev, nrog rau kev yug me nyuam, noob caj noob ces, yug me nyuam ntawm cov tsiaj tshiab thiab cov nroj tsuag, thiab lwm yam. ntawm. Kawg hloov kho: 2023-12-17 05:12

Methanol - dab tsi yog cov khoom no? Khoom, ntau lawm thiab siv methanol

Tsis zoo li hydrocarbons, oxygen-muaj cov organic tshuaj muaj cov atoms complex hu ua pawg ua haujlwm. Methanol yog cov dej cawv saturated uas muaj pawg hydroxyl hauv nws cov molecule. Nws txhais cov yam ntxwv tseem ceeb ntawm no compound. Hauv peb tsab xov xwm, peb yuav txiav txim siab txog txoj hauv kev tsim cov methyl cawv, cov tshuaj tiv thaiv tseem ceeb tshaj plaws thiab kev siv methanol. Kawg hloov kho: 2023-12-17 05:12

Protists yog Cov yam ntxwv thiab cov yam ntxwv

Thaum xub pom, zoo li niaj hnub taxonomy twb tau txheeb xyuas tag nrho cov se tseem ceeb thiab tsis muaj teeb meem. Tab sis qhov ntawd tsis yog qhov tseeb. Koj puas tau hnov txog qhov systematic unit li protists? Yog tsis yog, peb tsab xov xwm yog rau koj. Kawg hloov kho: 2023-12-17 05:12

Metaphysics ntawm Aristotle. Yog vim li cas yuav yeej

Lo lus "metaphysics" Ameslikas txhais tau tias sau los ntawm Aristotle, suav nrog 14 phau ntawv. Nyob rau hauv lawv, tus kws tshawb fawb Greek thaum ub tau nthuav tawm cov lus qhuab qhia ntawm cov ntsiab cai uas yog lub hauv paus ntawm kev txawj ntse. Aristotle's metaphysics piav qhia txog plaub qhov laj thawj siab tshaj plaws ntawm kev ua thiab, tsis yog tus qauv Platonic triple, muab ob qho tib si. Kawg hloov kho: 2023-12-17 05:12

Cov tsiaj txhu monotremes: cov yam ntxwv dav dav, nta thiab keeb kwm

Cov tsiaj zoo kawg nkaus uas nteg qe thiab pub lawv cov me nyuam nrog cov mis nyuj yog cov tsiaj txhu tsiaj txhu. Hauv peb tsab xov xwm, peb yuav xav txog cov txheej txheem thiab cov yam ntxwv ntawm lub neej ntawm chav kawm no. Kawg hloov kho: 2023-12-17 05:12

Pentose phosphate txoj hauv kev ntawm cov piam thaj oxidation thiab nws qhov tseem ceeb

Nyob rau hauv tsab xov xwm no peb yuav xav txog ib qho ntawm cov kev hloov pauv ntawm cov piam thaj oxidation - txoj kev pentose phosphate. Variants ntawm chav kawm ntawm qhov tshwm sim no, txoj hauv kev rau nws txoj kev siv, qhov xav tau ntawm cov enzymes, qhov tseem ceeb ntawm lub cev thiab keeb kwm ntawm kev tshawb pom yuav raug txheeb xyuas thiab piav qhia. Kawg hloov kho: 2023-12-17 05:12

Teb lub zog: qhov tseem ceeb thiab cov yam ntxwv tseem ceeb

Lub zog ntawm cov hluav taws xob hluav taws xob yog nws cov yam ntxwv tseem ceeb tshaj plaws, uas yog ncaj qha proportional rau lub zog uas daim teb no ua rau tus nqi hluav taws xob sab nraud. Kawg hloov kho: 2023-12-17 05:12

Daniel Bernoulli: biography, duab, pab txhawb rau txoj kev loj hlob ntawm txoj kev xav yuav tshwm sim

Qhov tseem ceeb ntawm Daniel Bernoulli thiab lwm cov tswv cuab ntawm tsev neeg nto moo rau cov tiam tom ntej yog muab lej ua lub luag haujlwm ntawm cov cuab yeej siv thoob ntiaj teb rau kev tshawb fawb hauv ntau ceg ntawm kev tshawb fawb - hauv physics, chemistry, biology thiab ntau lwm tus. Kawg hloov kho: 2023-12-17 05:12

Oxidative phosphorylation: mechanism. Qhov twg oxidative phosphorylation tshwm sim?

Lub luag haujlwm tseem ceeb ntawm lub zog hauv txoj hauv kev metabolic nyob ntawm cov txheej txheem, cov ntsiab lus uas yog oxidative phosphorylation. Cov khoom noj muaj oxidized, yog li tsim lub zog uas lub cev khaws cia hauv mitochondria ntawm cov hlwb li ATP. Kawg hloov kho: 2023-12-17 05:12

Puas muaj txoj sia nyob rau Mars?

Ib tsab xov xwm teb cov lus nug ntawm seb lub neej puas muaj nyob rau Mars. Cov ntaub ntawv tseem ceeb ntawm lub ntiaj teb tau muab, nrog rau qee cov ntaub ntawv hais txog kev mus rau Mars thiab cov kws tshawb fawb cov kev xav txog seb puas yuav muaj txoj sia nyob ntawd. Kawg hloov kho: 2023-12-17 05:12

Kev cia siab ua lej thiab kev lag luam Tshuag

Cov nyiaj tau los nruab nrab ntawm ib qho twv txiaj yuam pov zoo tib yam yog piv rau qhov loj me xwb nrog cov txiaj ntsig ntawm kev lag luam ntawm Wall Street. Cov neeg ntse tau nkag siab ntev ntev tias koj tsis tuaj yeem tso siab rau koj txoj hmoo thiab pib siv cov txheej txheem txheeb xyuas kom ntseeg tau tias koj cov txiaj ntsig tau ruaj khov. Kawg hloov kho: 2023-12-17 05:12

Amino acids: biochemistry, kev faib tawm

Amino acids yog cov organic tebchaw tsim nyog rau lub cev los tsim cov protein molecules. Muaj 20 qhov tseem ceeb amino acids uas peb lub cev xav tau. Kawg hloov kho: 2023-12-17 05:12

Chemistry. Ninhydrin tshuaj tiv thaiv

Thaum kawm txog cov tshuaj hauv cov organic chemistry, ntau tshaj li kaum ob qhov kev ua tau zoo sib txawv yog siv los txiav txim siab cov ntsiab lus ntawm qee cov tebchaw. Xws li kev tsom xam pom tso cai rau koj kom nkag siab tam sim ntawd seb puas muaj cov khoom tsim nyog tam sim no, thiab yog tias lawv tsis nyob, koj tuaj yeem txo qhov kev sim ntxiv los txheeb xyuas lawv. Cov tshuaj tiv thaiv no suav nrog ninhydrin, uas yog qhov tseem ceeb hauv kev txiav txim siab pom cov amino tebchaw. Kawg hloov kho: 2023-12-17 05:12

Logistic regression: qauv thiab txoj hauv kev

Txoj kev logistic regression thiab kev txheeb xyuas kev ntxub ntxaug yog siv thaum nws tsim nyog los sib txawv cov neeg teb los ntawm cov hom phiaj. Hauv qhov no, cov pab pawg lawv tus kheej tau sawv cev los ntawm qib ntawm ib qho kev sib txawv ntawm ib leeg. Kawg hloov kho: 2023-12-17 05:12

Khlopin Radium Institute

Lub koom haum Khlopin Radium yog ib feem ntawm lub xeev lub koom haum Rosatom. Nws belongs rau cov thawj coj hauv ntiaj teb hauv kev kawm txog cov teeb meem ntawm nuclear zog. Nyob rau hauv nws cov phab ntsa, thawj zaug, lawv pib kawm radioactive phenomena, cov khoom ntawm cov khoom siv hluav taws xob. Kawg hloov kho: 2023-12-17 05:12

Nobel nqi zog hauv Chemistry. Nobel Laureates hauv Chemistry

Cov khoom plig Nobel hauv Chemistry tau muab khoom plig txij li xyoo 1901. Nws thawj tus yeej yog Jacob van't Hoff. Tus kws tshawb fawb no tau txais ib qho khoom plig rau cov kev cai ntawm osmotic siab thiab tshuaj dynamics pom los ntawm nws. Kawg hloov kho: 2023-12-17 05:12

Abiotic yam, biotic ib puag ncig yam: piv txwv

Nyob hauv txhua qhov chaw nyob, cov kab mob muaj sia muaj kev cuam tshuam los ntawm ntau yam xwm txheej. Abiotic yam, biotic yam thiab anthropogenic cuam tshuam cov yam ntxwv ntawm lawv lub neej thiab kev yoog raws. Kawg hloov kho: 2023-12-17 05:12

Kev hloov pauv cua sov yog dab tsi? Thaum tshav kub kub hloov nyob rau hauv xwm thiab technology

Kev hloov pauv cua sov yog dab tsi? Yuav siv cov kev hloov pauv no li cas? Cov lus nug no yog qhov tseem ceeb tshaj plaws, yog li peb yuav xav txog lawv kom ntxaws. Kawg hloov kho: 2023-12-17 05:12

Chara algae: piav qhia, qauv, luam tawm thiab ua haujlwm

Cov kab lus yog mob siab rau charophytes. Cov yam ntxwv ntawm cov nroj tsuag, txoj kev ntawm lawv cov kev yug me nyuam, taxonomy, thiab lwm yam. Kawg hloov kho: 2023-12-17 05:12

Vulnerability - yog dab tsi?

Vulnerability - nws tuaj yeem yog qhov tsis muaj zog ntawm tus neeg, hauv lub khoos phis tawj, qhov txuas hauv lub tshuab. Feem ntau lo lus yog siv nyob rau hauv ib tug distorted siab. Kawg hloov kho: 2023-12-17 05:12

Hom kab ntawv txheeb cais, cov cai, kev tsim kho

Cov kab lus piav qhia txog kev suav sau cov ntawv txheeb cais, lawv hom, cov cai rau lawv cov khoom. Ib qho algorithm rau kev tsim kho ntawm cov ntawv txheeb cais yooj yim rau kev nkag siab thiab kev tsom xam yog nthuav tawm. Piv txwv ntawm cov rooj no tau muab. Kawg hloov kho: 2023-12-17 05:12

Cov kab mob cuav "Cynthia" (duab)

Tus kab mob "Cynthia" yeej tsis muaj nyob hauv qhov xwm txheej. 20 lub hlwb kev tshawb fawb tau ua haujlwm ntawm nws qhov kev tsim nyob rau hauv kev taw qhia ntawm Nobel nqi zog tus yeej S. Hamilton. Cov bacillus yog bred kom nqus cov roj nchuav hauv dej hiav txwv, tab sis Cynthia xaiv noj ntses, tsiaj txhu, thiab txawm tib neeg. Qhov txaus ntshai tag nrho yog cov kab mob tuag taus yuav luag tsis tuaj yeem rhuav tshem. Kawg hloov kho: 2023-12-17 05:12

Vitaly Ginzburg: biography, kev ua ub no

Cov kab lus piav qhia ntxaws txog lub neej thiab kev ua tiav ntawm lub ntiaj teb nto moo theoretical physicist Vitaly Lazarevich Ginzburg. Kawg hloov kho: 2023-12-17 05:12

Social Science - yog dab tsi? Social sciences kawm dab tsi? Social Science system

Kev tshawb fawb, raws li ib qho ntawm cov qauv kev paub thiab kev piav qhia ntawm lub ntiaj teb, tab tom hloov mus tas li: tus naj npawb ntawm nws cov ceg thiab cov lus qhia tau nce zuj zus. Cov qauv no tshwj xeeb tshaj yog qhia tau meej meej los ntawm kev txhim kho ntawm social sciences, uas qhib ntau thiab ntau dua tshiab ntawm lub neej ntawm lub neej niaj hnub. Lawv yog dab tsi? Lawv txoj kev kawm yog dab tsi? Nyeem ntxiv txog qhov no hauv kab lus. Kawg hloov kho: 2023-12-17 05:12

"Quarks" - Tsev khaws puav pheej ntawm kev lom zem sciences. Kev tshuaj xyuas, nqi

Lub tsev khaws puav pheej niaj hnub tsis tuaj yeem hu ua lub tsev haujlwm uas tsuas yog nthuav tawm qee qhov khoom pov thawj. Tam sim no qhov no yog tag nrho chav kuaj, thiab cov khoom ntawm no tsis muaj dab tsi ntau tshaj li cov khoom siv. Nws yog cov yam ntxwv no uas paub qhov txawv Quarks, Tsev khaws puav pheej ntawm Kev Tshawb Fawb Kev Tshawb Fawb, los ntawm lwm lub tsev haujlwm uas ua haujlwm zoo sib xws. Kawg hloov kho: 2023-12-17 05:12

Saprophyte is Saprophyte bacteria

Microworld - lub ntiaj teb uas peb tsis tuaj yeem pom ntawm qhov muag liab qab, tab sis lub neej yam tsis muaj qhov yuav ua tsis tau. Saprophyte yog ib qho ntawm nws cov neeg nyob. Vim li cas nws thiaj nthuav rau peb? Pab tau lossis txaus ntshai?. Kawg hloov kho: 2023-12-17 05:12

Jacob Bernoulli: biography thiab kev tshawb fawb

Jacob Bernoulli yog tus paub zoo txog lej lej ntawm lub xyoo pua 17th, uas tau sau ntau yam kev tshawb fawb. Koj tuaj yeem nyeem txog lawv thiab cov biography ntawm tus kws tshawb fawb hauv kab lus. Kawg hloov kho: 2023-12-17 05:12

Social Darwinism. Cov yam ntxwv ntawm txoj kev xav

Social Darwinism, raws li kev taw qhia, tau tsim nyob rau xyoo 19th. Tej hauj lwm ntawm cov founders ntawm cov lus qhuab qhia tau muaj kev cuam tshuam loj heev rau cov neeg niaj hnub. Kawg hloov kho: 2023-12-17 05:12

Lorenz von Stein: biography, achievements, duab

Lorenz von Stein yog German tus kws tshawb fawb nyiaj txiag, kws paub txog nyiaj txiag thiab kev tswj hwm pej xeem los ntawm Eckernförde. Raws li tus kws pab tswv yim rau lub sijhawm Meiji hauv Nyij Pooj, nws txoj kev ywj pheej ntawm kev nom kev tswv tau cuam tshuam rau kev tsim txoj cai lij choj ntawm lub tebchaws Nyij Pooj. Nws tau raug hu ua "tus txiv txawj ntse ntawm lub xeev kev noj qab haus huv". Kab lus no yog mob siab rau tsis tsuas yog rau phau ntawv keeb kwm ntawm Lorenz von Stein, tab sis kuj rau nws lub tswv yim tseem ceeb, lub ntsiab ntawm qhov uas yog qhov raug suav tias yog lub xeev kev sib raug zo. Kawg hloov kho: 2023-12-17 05:12

Txheej txheem, tswvyim thiab theem ntawm kev tsim kho. Institutionalization nyob rau hauv Russia. institutionalization yog

Institutionalization yog muab kev coj noj coj ua hauv zej zog los ntawm kev tsim cov koom haum los pab cov neeg xav tau kev pab. Kawg hloov kho: 2023-12-17 05:12

Forensic kuaj cov ntaub ntawv. Hom kev kuaj xyuas forensic

Hauv kev txiav txim plaub ntug, kev tshuaj ntsuam xyuas cov ntaub ntawv feem ntau raug xa mus. Qhov no yog ib qho cuab yeej siv tau zoo los tsim cov xwm txheej ntawm rooj plaub. Txoj kev tshawb no yog dab tsi thiab nws hom dab tsi, peb kawm los ntawm kab lus. Kawg hloov kho: 2023-12-17 05:12