Science 2024, Kaum ib hlis

Net nyhav thiab hnyav tag nrho

Cov kab lus "net weight" thiab "tag nrho qhov hnyav" tam sim no ruaj khov ua lus Lavxias. Nws tsis zoo li leej twg tsis paub tias cov "aliens" los ntawm Ltalis txhais li cas

Constellation Cepheus: dab neeg, dab neeg thiab piav qhia

Lub hnub qub Cepheus tsis muaj npe nrov rau qhov tshwj xeeb nthuav tawm thiab pom ntawm nws cov ntsiab lus. Txawm li cas los xij, nws yog qhov txaus siab rau astronomers, txij li nws nyob ntawm no tias cov hnub qub tsis sib txawv ntawm cov hnub qub nyob, yog ib qho ntawm cov qub qhib pawg thiab Herschel's Garnet Star, uas zoo li cov ntshav poob hauv nws cov xim, thiab tshaj yuav luag txhua qhov chaw. paub hnub no nyob rau hauv loj

Puas yog koj tus cwj pwm tsis tsim nyog? Peb mam kho nws

Kev coj tus cwj pwm tsis txaus ntseeg muaj nyob hauv ntau tus kheej. Tus cwj pwm no yog dab tsi? Vim li cas tib neeg thiaj tso cai rau lawv tus kheej li kev coj cwj pwm no? Puas yog nws tsuas yog kev tso cai xwb, kev tso cai ntawm tus kheej kom tsis txhob mloog cov xwm txheej thaum txiav txim siab, tsis xav txog lawv qhov tshwm sim?

Nyob rau hauv keeb kwm ntawm lub ntiaj teb. Keeb kwm ntawm lub ntiaj chaw

Cov lus nug txog keeb kwm ntawm lub ntiaj teb, ntiaj chaw thiab lub hnub ci tag nrho tau txhawj xeeb tib neeg txij li thaum ub. Myths txog keeb kwm ntawm lub ntiaj teb tuaj yeem taug qab ntawm ntau haiv neeg thaum ub

Control systems yog Hom kev tswj hwm. Piv txwv ntawm kev tswj qhov system

Kev tswj cov neeg ua haujlwm yog ib qho tseem ceeb thiab cov txheej txheem nyuaj. Kev ua haujlwm thiab kev loj hlob ntawm lub tuam txhab nyob ntawm seb qhov kev ua haujlwm no ua tiav li cas. Cov txheej txheem tswj xyuas pab npaj cov txheej txheem no kom raug

Astrophysics. Vim li cas lub hli tsis tig ntawm nws axis?

Lub hli tsis tig ntawm nws qhov axis, puas yog? Tau ntau xyoo, cov kws tshawb fawb tau sib cav txog cov ncauj lus no, tab sis lawv tsis pom cov lus teb uas yuav txaus siab rau txhua tus. Txhua leej txhua tus tso lawv tus kheej hypotheses thiab sim ua pov thawj rau lawv. Tam sim no muaj kev sib cav txog qhov teeb meem no

Herpetology yog kev tshawb fawb uas kawm txog tsiaj reptiles thiab amphibians

Herpetology yog kev tshawb fawb uas kawm txog cov tsiaj reptiles. Nws kuj suav nrog batachology - kev kawm ntawm amphibians. Kev tshawb fawb tshawb nrhiav cov qauv, tus cwj pwm, cov yam ntxwv ntawm kev loj hlob ntawm cov tsiaj reptiles thiab amphibians

Schmidt Otto Yulievich: biography, discoveries, duab

Schmidt Otto Yulievich yog ib tus neeg tshawb nrhiav zoo tshaj plaws ntawm North, Soviet astronomer thiab lej, statesman thiab pej xeem daim duab, Hero ntawm Soviet Union, uas tau ua tiav lub ntiaj teb kev lees paub hauv kev tshawb fawb

Cov ntawv luv luv ntawm Miklukho-Maclay N.N

Lub keeb kwm ntawm Miklouho-Maclay tsis yog tsuas yog qhia zaj dab neeg tsis txaus ntseeg ntawm tib neeg lub neej, tab sis ntes thiab tsis tso mus txog rau kab kawg. Tsis muaj qhov xav tsis thoob no tus neeg taug kev nto moo feem ntau dhau los ua tus qhua ntawm huab tais tsev neeg, uas nws tau qhia cov dab neeg nthuav txog cov Papuans

Jane Goodall, tus kws kho mob primatologist: biography

Biography ntawm tus naas ej primatologist ntawm lub xyoo pua xeem. Jane Goodall txoj kev tshawb fawb thiab kev tshawb pom ntawm cov tsiaj qus ntawm chimpanzees

Technology yog dab tsi? Tswv yim, piv txwv, kev siv

Technology yog dab tsi? Kev loj hlob txhais li cas? Hom kev yees muaj dab tsi? Lawv thov nyob qhov twg?

Erlich Paul: pab txhawb rau kev tshawb fawb

Erlich Paul yog tus kws tshawb fawb German thiab kws kho mob nto moo hauv ntiaj teb uas tau txais Nobel nqi zog xyoo 1908 rau nws txoj haujlwm hauv kev tiv thaiv kab mob. Nws kuj yog ib tug kws tshuaj thiab bacteriologist. Ua tus tsim ntawm chemotherapy

Maillard cov lus teb. Cov tshuaj tiv thaiv ntawm ib qho amino acid thiab qab zib yog cov tshuaj tiv thaiv "qab zib" tshaj plaws

Muaj ntau txhiab lub npe tshuaj tiv thaiv hauv chemistry, tab sis feem ntau ntawm lawv yuav tsis qhia rau tus neeg ua haujlwm dab tsi. Tab sis muaj ib qho tshuaj tiv thaiv uas txhua tus paub zoo kawg nkaus - qhov no yog cov tshuaj tiv thaiv Maillard. Peb ntsib nws thaum peb haus kas fes uas muaj ntxhiab, noj cov qhob cij ci tshiab thiab kib steak. Thiab txawm tias thaum peb haus npias nrog phooj ywg. Maillard cov tshuaj tiv thaiv yog qhov "tseem" tshaj plaws thiab nws yog nws uas ua rau cov zaub mov tsw qab thiab zoo nkauj. Thiab txawm hais tias nws nyob ib puag ncig peb txhua qhov chaw - tsim ntawm humus, peat,

Bermuda Daim duab peb sab. Pyramid nyob hauv qab ntawm Dej Hiav Txwv Atlantic

Txhua tus neeg uas tab tom nrhiav Bermuda Daim duab peb sab ntawm daim duab qhia yuav poob siab: tsis muaj qhov chaw meej thiab tsis muaj ciam teb. Nws yog lub npe hu hais tias lub feem ntau mysterious site nyob rau hauv lub ntiaj teb no yog nyob rau ntawm ib sab ntawm cov Islands tuaj, uas nws tau txais nws lub npe

Biology: hlwb. Cov qauv, lub hom phiaj, kev ua haujlwm

Biology ntawm tes nyob rau hauv cov nqe lus dav dav paub rau txhua leej txhua tus los ntawm lub tsev kawm ntawv cov ntaub ntawv kawm. Peb caw koj kom nco ntsoov qhov koj tau kawm ib zaug, nrog rau nrhiav tau ib yam tshiab txog nws. Lub npe "cell" tau thov thaum ntxov li 1665 los ntawm tus neeg Askiv Askiv R. Hooke. Txawm li cas los xij, nws tsuas yog nyob rau hauv lub xyoo pua puv 19 uas nws tau pib kawm ua ke

Kev sib hloov ntawm tus kheej yog qhov tshwm sim tshwm sim ntawm combustion. Auto-ignition kub

Kev sib kis tshwm sim yog ib qho tshwm sim uas tus neeg ignites yam tsis muaj qhov hluav taws kub sab nraud. Qhov no yog ib qho tshwm sim paranormal, unproven los ntawm cov kws tshawb fawb. Qee qhov chaw hais tias tom qab kev sib tsoo tshwm sim, ib pawg ntawm cov tshauv tseem tshuav, lwm tus hais tias qee qhov ntawm lub cev thiab tag nrho cov khaub ncaws tseem nyob. Cov neeg ua pov thawj pom tau tias cov nplaim taws tawm ntawm ib tus neeg lub qhov ncauj, thiab lub cev thiab lub taub hau tau hlawv rau cov tshauv hauv ib feeb. Ib txhia hais tias nplaim taws yog xiav, lwm tus hais tias daj

Tooj liab pyrite: daim ntawv thov thiab cov khoom

Tooj liab pyrite yog siv nyob rau hauv ntau yam lag luam. Cia peb txheeb xyuas nws qhov muaj nyob hauv qhov, daim ntawv thov

Dosimeter: hom, yam ntxwv, ntsuas hluav taws xob

Cov hluav taws xob hluav taws xob ua rau muaj kev hem thawj rau cov kab mob nyob. Kev siv hluav taws xob ntau ua rau muaj mob hnyav thiab tuag taus. Yog li ntawd, nyob rau hauv ntau lub sijhawm nws yog ib qho tsim nyog los ntsuas qhov hluav taws xob keeb kwm yav dhau ntawm thaj chaw lossis thaj chaw. Ib qho khoom siv ntsuas hluav taws xob yog hu ua dosimeter

Sphalerite ntxhia: duab, khoom, keeb kwm, mis

Lub npe ntawm cov pob zeb no los ntawm Greek lo lus "sphaleros", uas txhais tau tias "dag". Leej twg thiab yuav ua li cas lub pob zeb no sim dag - nyeem hauv peb tsab xov xwm. Tsis tas li ntawd, los ntawm nws koj yuav kawm txog lub ntsiab lub cev thiab tshuaj lom neeg cov khoom ntawm sphalerite ntxhia, thiab nyob rau hauv qhov chaw ntawm niaj hnub kev lag luam nws yog siv

Cov hlau softest hauv ntiaj teb

Cesium yog cov khoom siv tseem ceeb rau kev tsim cov khoom siv kho qhov muag tshwj xeeb, teeb nrog cov khoom tshwj xeeb thiab lwm yam khoom siv high-tech. Nyob rau tib lub sijhawm, softness tsis yog nws qhov xav tau tshaj plaws

Qhov tseeb txog cov hlau - piav qhia thiab cov ntsiab lus

Nws zoo kawg li muaj ntau qhov tseeb txog cov hlau muaj nyob! Lawv yog ib qho ntawm feem ntau thiab nquag siv cov peev txheej uas pom lawv tus kheej hauv ntau qhov chaw sib txawv. Ib tug infinitely ntau ntawm possibilities rau lawv daim ntawv thov, qhov kev xav tau uas manifests nws tus kheej ob qho tib si nyob rau hauv lub neej txhua hnub thiab nyob rau hauv lub industrial teb. Koj tuaj yeem qhia ntau yam nthuav txog txhua lub ntsiab lus, tab sis tam sim no kuv xav ua tib zoo saib rau qee qhov ntawm lawv

Inbreeding - yog dab tsi? Inbreeding: piv txwv

Kev ua tiav ntawm cov noob caj noob ces, nws txoj kev xav loj heev ntawm txhua yam txheej txheem ntuj tsim tshwm sim hauv thaj chaw, cia tib neeg siv qhov kev paub no hauv lawv tus kheej xav tau. Yog li, phenomena xws li inbreeding thiab outbreeding muaj ntau heev. Ib lub tswv yim zoo sib xws rau cov ntsiab lus no yog incest. Dab tsi yog cov txheej txheem los ntawm kev tshawb fawb pom thiab dab tsi tus neeg tuaj yeem ua tiav siv lawv, peb yuav txheeb xyuas hauv kab lus no

Halogenated hydrocarbons: ntau lawm, tshuaj lom neeg, daim ntawv thov

Hydrocarbons yog ib chav loj heev ntawm cov organic tebchaw. Lawv suav nrog ntau pawg tseem ceeb ntawm cov khoom, uas yuav luag txhua tus tau siv dav hauv kev lag luam, lub neej txhua hnub, thiab xwm txheej. Qhov tseem ceeb tshwj xeeb yog halogenated hydrocarbons, uas yuav tau tham hauv tsab xov xwm

Yuav ua li cas yog vim li cas rau infertility ntawm interspecific hybrids? Piv txwv ntawm interspecific hybrids

Yuav ua li cas yog vim li cas rau infertility ntawm interspecific hybrids? Cov kev daws teeb meem zoo li no. Lub tswv yim dav dav ntawm hom thiab hom kev hla, cov yam ntxwv ntawm thawj tiam hybrids. Interspecific hybrids, lawv cov nta thiab cov piv txwv

Carboxylic acids: lub cev muaj zog. Cov ntsev ntawm carboxylic acids

Carboxylic acids: lub cev muaj zog, tshuaj muaj zog, keeb kwm ntawm kev tshawb pom thiab kev kawm. Tau txais hauv chav kuaj thiab kev lag luam, cov tshuaj tiv thaiv sib npaug. Cov ntsiab lus tseem ceeb ntawm carboxylic acids: xab npum thiab esters. Cov yam ntxwv ntawm acetic thiab formic acids

Manganese (cov tshuaj lom neeg): cov khoom, daim ntawv thov, kev tsim, oxidation xeev, nthuav tseeb

Manganese yog cov tshuaj lom neeg: hluav taws xob qauv, keeb kwm ntawm kev tshawb pom. Lub cev thiab tshuaj muaj zog, ntau lawm, kev siv. Cov ntsiab lus nthuav dav

Lub tsev kawm theem pib ntawm cov txheej txheem evolutionary yog

Chav tsev ntawm cov txheej txheem evolutionary yog cov pejxeem. Cov yam ntxwv ntawm cov pej xeem thiab hom raws li units ntawm evolution. Cov kev cai tseem ceeb ntawm cov lus qhuab qhia evolutionary raws li Darwin. Keeb kwm ntawm txoj kev loj hlob ntawm evolutionary lus qhuab qhia

Hygroscopicity yog Hygroscopicity ntawm fibers, khaub ncaws

Kab lus hais txog cov khoom tseem ceeb ntawm cov ntaub, txog dab tsi hygroscopicity yog dab tsi thiab nws nyob ntawm seb. Tsis tas li ntawd, koj yuav kawm tau li cas lub peev xwm ntawm cov khoom siv los nqus cov dej noo yog txiav txim siab hauv chav kuaj

Pob zeb yog dab tsi? Pob zeb ceev, hom thiab cov khoom

Muaj ntau txhiab pob zeb ntau yam hauv ntiaj teb. Thiab tsis muaj qhov tsis ntseeg, cov no yog cov tsim ntau tshaj plaws nyob rau hauv lub ntiaj teb, vim hais tias lub ntiaj teb nws tus kheej yog ib lub pob zeb npog nrog ib txheej nyias ntawm cov av. Pob zeb, raws li peb kuj hu rau lawv, muaj ntau haiv neeg nyob rau hauv lawv cov yam ntxwv, muaj pes tsawg leeg, nqi, tab sis saum toj no tag nrho cov - ceev. Qhov no tsuas yog ib qho khoom siv tsis tau siv rau txhua yam kev tsim kho thaum xaiv lub pob zeb zoo. Qhov ceev yuav dhau los ua qhov tseem ceeb

Thomas Hunt Morgan: biography, pab rau biology

Qhov kev nkag siab zoo tshaj plaws hauv biology ntawm 19th-20th centuries raug suav hais tias yog cov haujlwm ntawm Charles Darwin ntawm kev hloov pauv, Gregor Mendel ntawm kev sib txawv thiab kev hloov pauv, thiab Thomas Hunt Morgan ntawm cov noob thiab chromosomes

Climatic chamber: hom, nta, specifications. Scope ntawm daim ntawv thov ntawm huab cua chamber cua sov / txias / noo noo

Climatic chambers heat-cold-moisture (THW) yog tsim los tsim cov xwm txheej tshwj xeeb uas ze tshaj plaws rau ntuj. Txawm li cas los xij, cov chav nyob niaj hnub tsis tau muab cov txiaj ntsig xav tau, yog li koj yuav tsum tau siv cov khoom siv ntxiv tas li. Yav dhau los, tag nrho cov txheej txheem no tau siv sijhawm ntau thiab siv zog thiab tsis tas yuav ua tiav tiav. Tab sis txij li thaum lub advent ntawm cov qauv txhim kho, qhov teeb meem dav dav tau hloov pauv loj heev

Paleography kawm dab tsi? Qhov tshwj xeeb science uas kawm txog keeb kwm ntawm kev sau ntawv

Lub sijhawm ntawm kev txhim kho tib neeg kev vam meej, cov ntaub ntawv tseem ceeb uas muaj ntau cov ntaub ntawv tseem ceeb tau sau txaus. Lawv kawm los ntawm paleography. Qhov no yog ib qho kev qhuab qhia uas nkag siab txog cov lus zais ntawm cov ntawv sau keeb kwm ntawm cov duab kos thiab kev sau ntawv

Yuav ua li cas thiaj tawg tau huab? Dab tsi tsav nag huab

Ntau tus neeg txaus siab rau huab cua tawg. Tseeb, ib lub ntsiab lus nthuav heev. Lawv tawg ua li cas? Yuav siv nyiaj npaum li cas rau qhov no? Feem ntau, nws tsim nyog sau cia tias koj yuav tsum siv nyiaj ntau heev. Qhov kev txaus siab tam sim no kim heev. Yog li, ib qho ntawm cov hnub so kawg raug nqi tsoomfwv Lavxias 430 txhiab rubles. Qhov no yog ib qho loj heev. Coob leej xav tias nws yog kev siv nyiaj pov tseg. Tab sis nws tseem nthuav. Yuav ua li cas disperse huab?

Yam khoom ntuj yog txhua yam nyob ib puag ncig peb

Xwm, muab rau txiv neej, decorates peb lub neej. Ua tsaug rau nws, ib tug neeg ciaj sia, thiab tuag. Hauv tsab xov xwm no, koj yuav kawm txog ntau yam, hais txog qhov tsis muaj tsiaj, txog txhua yam uas yuav tsum tau tiv thaiv, txaus siab thiab hwm

Hercynian folding: dab tsi, qhov twg, thaum twg? Ural thiab Appalachian roob

Lub pob zeb ntawm peb lub ntiaj teb muaj lub npe hu ua platforms (xws li homogeneous, ruaj khov blocks) thiab folded zones, uas txawv ntawm ib leeg hauv hnub nyoog. Yog tias koj saib daim ntawv qhia tectonic ntawm lub ntiaj teb, koj tuaj yeem pom tias thaj chaw folding nyob tsis pub tshaj 20% ntawm lub ntiaj teb saum npoo. Hercynian folding yog dab tsi? Nws lub sijhawm yog dab tsi? Thiab lub roob dab tsi tau tsim nyob rau hauv lub sijhawm no ntawm tectogenesis? Peb tsab xov xwm yuav qhia txog nws

Yuav ua li cas tsiaj thawj zaug ya ncig lub hli, Los yog zaj dab neeg ntawm cov me nyuam siab tawv

Nug ib tug uas koj paub: "Yuav ua li cas tsiaj thawj zaug ya ncig lub hli?" Ib tug neeg uas tuaj yeem muab cov lus teb raug rau lo lus nug no yuav tsum tau ua tib zoo saib

Soil horizons - av txheej uas tshwm nyob rau hauv cov txheej txheem ntawm av tsim

Zaj lus no mob siab rau av qab ntug. Cov txheej txheem tseem ceeb ntawm cov av uas tshwm sim hauv cov txheej txheem ntawm kev tsim cov av yog suav tias yog

Jean Baudrillard: biography, quotes. Baudrillard ua tus kws yees duab

Tus tub xeeb ntxwv ntawm cov neeg ua liaj ua teb, uas tau los ua tus xibfwb ntawm Sorbonne, tus sau ntawm 50 cov haujlwm tseem ceeb ntawm kev coj noj coj ua thiab kev xav uas cuam tshuam rau lub siab ntawm cov neeg txawj ntse tshaj plaws ntawm lub ntiaj teb, tus txawj ntse tshaj plaws thiab thawj tus kws sau ntawv, tus kws yees duab uas nws ua haujlwm tau qhuas los ntawm cov kws tshaj lij - ntau npaum li cas tib neeg lub neej muaj peev xwm?

Qhov siab ntawm ISS lub orbit yog dab tsi? Orbit ntawm ISS ncig lub ntiaj teb

Lub Chaw Chaw Chaw Thoob Ntiaj Teb yog ib qho ntawm cov khoom lag luam zoo tshaj plaws ntawm tib neeg hauv keeb kwm ntawm noob neej, uas tau tham txog qhov nthuav dav hauv kab lus no

Holography yog Lub tswv yim, kev khiav hauj lwm hauv paus ntsiab lus, daim ntawv thov

Cov duab holographic tau siv ntau zuj zus niaj hnub no. Ib txhia txawm ntseeg tias thaum kawg nws yuav hloov txoj kev sib txuas lus uas peb paub. Zoo li nws los yog tsis, tab sis tam sim no nws yog nquag siv nyob rau hauv ntau yam kev lag luam. Piv txwv li, peb txhua tus paub txog cov ntawv nplaum holographic