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. Kawg hloov kho: 2023-12-17 05:12
Science 2024, Hlis ntuj nqeg
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. Kawg hloov kho: 2023-12-17 05:12
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?. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
Technology yog dab tsi? Kev loj hlob txhais li cas? Hom kev yees muaj dab tsi? Lawv thov nyob qhov twg?. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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, . Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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?. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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?. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12
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. Kawg hloov kho: 2023-12-17 05:12