K-Tus nqi. Tus nqi no sawv cev rau qhov kev ncua deb ntawm kab rov tav uas qhov kev hloov pauv hauv qib 1% tshwm sim ntawm qhov nkhaus ntsug. Nws qhia qhov abruptness ntawm qib hloov nyob rau hauv ib tug nqi. Cov rooj nrawm lossis lwm yam cuab yeej tsim feem ntau muab lub hom phiaj yam tsawg kawg nkaus tus nqi K. Kawg hloov kho: 2023-12-15 23:12
Extraterrestrial sources yog lub hauv paus ntawm lub zog hauv Miller thiab Urey kev sim. Cov xwm txheej zoo ib yam li Miller - Urey thwmsim muaj nyob rau hauv lwm thaj tsam ntawm lub hnub ci system, feem ntau hloov lub teeb ultraviolet rau lightening raws li lub zog qhov chaw rau cov tshuaj tiv thaiv. Kawg hloov kho: 2023-12-15 23:12
Cov txheej txheem ntawm kev sib npaug tuaj yeem siv tau thaum sim txiav txim siab seb koj puas yuav tau nyiaj ntau dua ntawm ib txoj haujlwm lossis lwm qhov, suav nrog ntau qhov sib txawv rau hauv tus account, xws li nyiaj hli, cov txiaj ntsig thiab cov nyiaj tau los. Kawg hloov kho: 2023-12-15 23:12
Ununoctium yog qhov hnyav tshaj plaws, tab sis nws yog tib neeg tsim. Lub cev hnyav tshaj plaws uas tshwm sim yog uranium (atomic tooj 92, atomic hnyav 238.0289). Kawg hloov kho: 2023-12-15 23:12
Feem ntau cov chav nyob uas peb siv los ntsuas qhov ntev hauv qhov ntsuas qhov ntsuas yog millimeter, centimeter, meter, thiab kilometer. Lub millimeter yog qhov tsawg tshaj plaws uas siv nyob rau hauv lub metric system. Qhov centimeter yog qhov tsawg tshaj plaws ntawm kev ntsuas tom ntej. Cov ntawv luv rau centimeters yog cm (piv txwv li, 3 cm). Kawg hloov kho: 2023-12-15 23:12
Loj hlob xibtes ntoo hauv New Jersey. Cov neeg feem coob tsis xav tias cov ntoo xibtes tuaj yeem loj hlob hauv New Jersey, tab sis lawv tuaj yeem ua tau. Ob peb lub xib teg tuaj yeem muaj sia nyob New Jersey lub caij ntuj no thiab cov neeg thoob plaws hauv lub xeev tau cog rau lawv kom muab txhua yam zoo nkauj dua. Kawg hloov kho: 2023-12-15 23:12
Ib daim ntawv cog lus ionic yog tsim los ntawm cov hlau thiab tsis yog hlau. Covalent bonding yog ib hom tshuaj sib txuas ntawm ob lub atoms uas tsis yog xim hlau uas yog tus cwj pwm los ntawm kev sib koom ua ke ntawm cov khoom siv hluav taws xob ntawm cov atoms thiab lwm cov ntawv cog lus. Kawg hloov kho: 2023-12-15 23:12
Magnetism yog ib feem ntawm kev sib xyaw electromagnetic quab yuam. Nws yog hais txog lub cev tshwm sim los ntawm lub zog los ntawm cov hlau nplaum, cov khoom uas tsim cov teb uas nyiam los yog tawm tsam lwm yam khoom. Cov hlau nplaum ruaj khov, ua los ntawm cov ntaub ntawv xws li hlau, muaj kev cuam tshuam zoo tshaj plaws, hu ua ferromagnetism. Kawg hloov kho: 2023-12-15 23:12
Nws kuj yog qhov tsawg tshaj plaws ntawm peb cov ntoo liab: kaj ntug redwoods feem ntau yog nruab nrab ntawm 50 thiab 60 feet siab, tab sis tuaj yeem loj hlob siab dua 160 feet nrog lub cev txog 7 feet ntawm txoj kab uas hla. Nws yog suav hais tias yog tsob ntoo loj hlob sai thiab feem ntau cog ua ornamental. Kawg hloov kho: 2023-12-15 23:12
Halogens. Cov ntsiab lus halogen yog ib feem ntawm cov nonmetals. Lawv suav nrog pawg 17 ntawm lub sijhawm teem sijhawm, los ntawm F mus txog At. Lawv feem ntau chemically reactive thiab muaj nyob rau hauv ib puag ncig raws li cov tebchaw es tsis yog cov ntsiab lus ntshiab. Kawg hloov kho: 2023-12-15 23:12
Ua ntej txoj cai lij choj zoo tagnrho yuav raug siv los daws cov moles ntawm cov roj tsis paub egin{align*}(n)end{align*}. Tom qab ntawd qhov loj ntawm cov roj faib los ntawm moles yuav muab cov molar loj. Kauj ruam 2: daws. Tam sim no faib g los ntawm mol kom tau cov molar loj. Kawg hloov kho: 2023-12-15 23:12
Ib thaj tsam tsis sib haum xeeb yog kev tsis sib haum xeeb ntawm cov tswv lossis cov neeg nyob hauv tsawg kawg yog ob lub tsev nyob sib ze. Feem ntau nws tsuas yog kev tsis sib haum xeeb txog txoj haujlwm ntawm ib thaj tsam. Kawg hloov kho: 2023-12-15 23:12
Lub kelvin (symbolised li K) yog lub hauv paus ntawm qhov kub thiab txias hauv International System of Units (SI). Lub Kelvin nplai yog qhov ntsuas kub ntawm qhov ntsuas kub uas siv los ua nws qhov tsis muaj qhov tsis muaj qhov tsis muaj xoom, qhov kub ntawm qhov ntsuas kub uas txhua qhov thermal txav tsis tau nyob rau hauv cov lus piav qhia ntawm thermodynamics. Kawg hloov kho: 2023-12-15 23:12
Telescopes thiab xov tooj cua cov tais diav yog siv los ntawm qhov chaw ntawm lub ntiaj teb los kawm pom lub teeb, nyob ze lub teeb infrared, thiab xov tooj cua nthwv dej. Txuas nrog rau cov koob yees duab no yog ntau yam cuab yeej xws li tshwj xeeb tsim CCD koob yees duab, ntau yam lim, photometers thiab spectrometers. Kawg hloov kho: 2023-12-15 23:12
Cov pa roj carbon dioxide yog ib qho tseem ceeb hauv tsev cog khoom roj uas pab txhawm rau txhawm rau cua sov hauv peb qhov chaw. Cov pa roj carbon dioxide hauv peb cov huab cua tau nce li 40% txij li thaum pib ntawm tib neeg kev lag luam, thiab xav tias yuav ua lub luag haujlwm muaj teeb meem hauv kev ua kom lub ntiaj teb kub. Kawg hloov kho: 2023-12-15 23:12
Ib qho kev txiav txim B ntawm qhov chaw vector V yog lub hauv paus ntawm V uas muaj qee cov ntaub ntawv ntxiv: uas yog, lub ntsiab lus ntawm B los 'thawj', uas los 'thib ob', thiab lwm yam. Yog tias V yog qhov kawg, ib txoj hauv kev yuav yuav ua kom B ib qho kev txiav txim n-tuple, lossis ntau dua, peb tuaj yeem muab tag nrho cov xaj ntawm B. Kawg hloov kho: 2023-12-15 23:12
Replication, Transcription, thiab Kev Txhais Lus yog peb txoj haujlwm tseem ceeb siv los ntawm txhua lub hlwb los tswj lawv cov ntaub ntawv caj ces thiab hloov cov ntaub ntawv caj ces encodedin DNA rau hauv cov khoom lag luam, uas yog RNAs lossis cov proteins, nyob ntawm cov noob. Kawg hloov kho: 2023-12-15 23:12
Txhua lub thawv ntawm lub rooj muaj lub cim rau ib lub caij. Cov ntsiab lus nyob rau hauv tib kem zoo ib yam. Piv txwv li, cov ntsiab lus hauv thawj kab yog hu ua alkali hlau. Cov hlau no cuam tshuam nrog dej los tsim cov roj hydrogen. Kawg hloov kho: 2023-12-15 23:12
Acid Xim Base Xim alpha-Naphthyl liab liab daj Methyl liab liab daj Litmus (azolitmin) liab xiav Bromocresol liab doog daj violet. Kawg hloov kho: 2023-12-15 23:12
Nyob rau hauv ib tug series RC Circuit Court txuas nrog AC voltage qhov chaw, voltage thiab tam sim no muaj ib theem sib txawv ntawm ϕ, qhov twg cosϕ = R √ R2 + (1 ω C) 2 cos ϕ = RR 2 + (1 ω C) 2. cosϕ yog hu ua power factor. Kawg hloov kho: 2023-12-15 23:12
Lub hnub tsim lub zog hauv nws cov tub ntxhais hauv cov txheej txheem hu ua nuclear fusion. Thaum lub sij hawm nuclear fusion, lub hnub kub siab heev thiab kub kub ua rau hydrogen atoms tuaj sib nrug thiab lawv cov nuclei (lub hauv paus cores ntawm lub atoms) fuse los yog ua ke. Plaub hydrogen nuclei fuse los ua ib qho helium atom. Kawg hloov kho: 2023-12-15 23:12
Anaphase Hauv Microscope Yog tias koj saib anaphase thaum ntxov siv lub tshuab ntsuas, koj yuav pom cov chromosomes kom meej meej cais ua ob pawg. Yog tias koj tab tom saib anaphase lig, cov pab pawg ntawm chromosomes yuav nyob rau sab nraud ntawm lub cell. Kawg hloov kho: 2023-12-15 23:12
Cov nroj tsuag tseem ceeb ntawm Mojave suav nrog creosotebush (Larrea tridentata), tag nrho cov nplai (Atriplex polycarpa), brittlebush (Encelia farinosa), suab puam holly (Atriplex hymenelytra), dawb burrobush (Hymenoclea salsola), thiab Joshua ntoo (Yucca brevifolia), feem ntau. Hom kab mob tseem ceeb hauv cheeb tsam (Turner 1994). Kawg hloov kho: 2023-12-15 23:12
Lub peev xwm kub, lossis 'thermal huab hwm coj' ntawm ib yam khoom, txhais tau tias yog Lub Zog hauv Joules yuav tsum tau nce qhov kub ntawm cov khoom muab los ntawm 1º C. Qhov no yog 'cov cua kub tshwj xeeb' ntawm cov khoom (cov khoom siv lub cev / tshuaj lom neeg ) multiplied los ntawm nws cov huab hwm coj thiab qhov kev hloov ntawm qhov kub thiab txias. Kawg hloov kho: 2023-12-15 23:12
Functional morphology yog kev kawm txog kev tsim cov ntaub so ntswg thiab cov kab mob hauv nruab nrog cev, cov hauv paus ntsiab lus ntawm physics cuam tshuam rau tsiaj, thiab cov txheej txheem ntawm lub cev. Physiology yog kev kawm txog kev ua neej nyob li cas hloov mus rau lawv qhov chaw nyob thiab tswj cov haujlwm tseem ceeb ntawm cov ntaub so ntswg, kab ke, cellular thiab molecular theem. Kawg hloov kho: 2023-12-15 23:12
Mendel pom tias muaj lwm hom kev hloov pauv - tam sim no hu ua cov noob - uas suav nrog kev hloov pauv hauv cov yam ntxwv qub. Piv txwv li, cov noob rau paj xim nyob rau hauv peas nroj tsuag muaj nyob rau hauv ob daim ntawv, ib tug rau ntshav thiab lwm yam rau dawb. Lwm 'forms' tam sim no hu ua alleles. Kawg hloov kho: 2023-12-15 23:12
Piav Mendel cov lus xaus txog qhov zoo li cas dhau ntawm ib tiam dhau ib tiam. Lub chromosome txoj kev xav ntawm kev qub txeeg qub teg hais tias cov yam ntxwv qub txeeg qub teg yog tswj los ntawm cov noob nyob rau ntawm chromosomes ncaj ncees kis los ntawm gametes, tswj cov caj ces txuas ntxiv ntawm tiam mus rau ib tiam. Kawg hloov kho: 2023-12-15 23:12
Thawj ntu yog hu ua lub teeb nyob ntawm cov tshuaj tiv thaiv. Cov tshuaj tiv thaiv no tshwm sim thaum lub teeb lub zog raug ntes thiab thawb mus rau hauv cov tshuaj hu ua ATP. Qhov thib ob ntawm cov txheej txheem tshwm sim thaum ATP siv los ua cov piam thaj (Calvin Cycle). Qhov thib ob yog hu ua lub teeb ywj siab tshuaj tiv thaiv. Kawg hloov kho: 2023-12-15 23:12
Atlas Cedar, Cedrus atlantica (mus rau sab xis ntawm daim duab), yog nyob rau North Africa, nrog cov koob xiav (ntsuab ntsuab). Raws li ib txhia botanists, nyob rau hauv ib tug deb heev yav dhau los, tsob ntoo no kuj nyob rau hauv teb chaws Europe lawm. Ntawm tag nrho cov genus, nws yog hom hardy tshaj plaws thiab nws tuaj yeem rov ua dua tshiab los ntawm cov noob. Kawg hloov kho: 2023-12-15 23:12
Astronomers tuaj yeem siv parallax kom pom qhov deb ntawm cov khoom ntau dua li cov ntiaj chaw. Txhawm rau xam qhov kev ncua deb mus rau lub hnub qub, astronomers saib nws los ntawm ntau qhov chaw raws lub ntiaj teb lub orbit nyob ib ncig ntawm lub hnub. Kawg hloov kho: 2023-12-15 23:12
Kev Pabcuam Solidarity yog dab tsi? Ib qho kev pabcuam uas cov neeg tuaj koom zaum kaum ob rau ib lub rooj, hloov cov txiv neej thiab poj niam. Tom qab ntawd lawv noj strawberry ice cream nrog soma thiab noj ib ntsiav tshuaj soma, ua hauj lwm lawv tus kheej mus rau hauv ib tug frenzy ntawm exultation, thiab xaus nyob rau hauv kev sib deev orgy. Kawg hloov kho: 2023-12-15 23:12
Muaj peb lub tswv yim txo qis hauv kev teb rau qhov cuam tshuam ntawm kev hloov pauv huab cua: 1. Txo cov pa roj carbon emissions los ntawm cov tshuab hluav taws xob qis - ua ntej cov khoom siv hluav taws xob txuas ntxiv, rov ua dua tshiab, txo qis kev siv hluav taws xob thiab siv cov kev txuag hluav taws xob. Kawg hloov kho: 2023-12-15 23:12
Index ntawm Ohio Ntoo Alder, European Dub. Arborvitae. Tshauv (Tag nrho) (Xiav, Ntsuab, Dawb) Aspen (Tag nrho) (Bigtooth, Quaking) Cranberrybush, American. Cucumbertree. Dogwood (Tag nrho) (Flowering, Silky) Elm (Tag nrho) (American, Slippery) Osage-Orange. Pawpaw. Persimmon. Pine (tag nrho) (Austrian, Loblolly, Pitlolly, Liab, Scotch, Virginia, Dawb). Kawg hloov kho: 2023-12-15 23:12
Nws yog siv los txiav txim siab cov khoom ntawm ib qho kev hloov pauv, uas yog hlau A yuav hloov lwm cov hlau B hauv kev daws yog tias A siab dua hauv koob. Kev ua yeeb yam ntawm qee cov hlau ntau dua, teev nyob rau hauv qhov kev txiav txim qis ntawm reactivity. Kawg hloov kho: 2023-12-15 23:12
Chromatography yog ib txoj hauv kev ntawm kev sib cais ntawm cov tshuaj sib tov, uas yog nyob rau hauv cov roj los yog kua daim ntawv, byletting lawv maj mam dhau los ntawm lwm yam khoom, uas feem ntau yog ib tug kua los yog khoom. Kawg hloov kho: 2023-12-15 23:12
Ib yim yog ib feem ntawm yim seem sib npaug. Ob yim yog ib lub quarter thiab plaub yim yog ahalf. Nws yog ib qho yooj yim los faib ib yam khoom, zoo li lub ncuav mog qab zib, rau hauv yim yog tias koj ua rau hauv quarters thiab muab faib txhua lub quarter inhalf. Kawg hloov kho: 2023-12-15 23:12
Lo lus tseem ceeb - Initiation factor (KW-0396) Protein uas ua lub luag haujlwm tseem ceeb hauv kev pib txhais cov mRNA molecule rau hauv polypeptide. Initiation yam pab tsim cov complex ntawm mRNA thiab ib tug ribosome. Kawg hloov kho: 2023-12-15 23:12
Ib lub sij hawm tuaj yeem yog tus lej kos npe, qhov sib txawv, lossis qhov sib npaug ntawm qhov sib txawv lossis qhov sib txawv. Txhua lub sij hawm nyob rau hauv algebraic qhia yog cais los ntawm ib tug + kos npe los yog J kos npe. Nyob rau hauv, cov nqe lus yog: 5x, 3y, thiab 8. Thaum ib lub sij hawm yog ua los ntawm ib tug tas mus li multiplied los ntawm ib tug sib txawv los yog variables, qhov tas li hu ua coefficient. Kawg hloov kho: 2023-12-15 23:12
Qhov Tsis Txaus Siab Qhov Tseeb yog xyoo 2006 Asmeskas kev hais kwv txhiaj documentary zaj duab xis qhia los ntawm Davis Guggenheim txog yav dhau los Tebchaws Meskas Tus Lwm Thawj Coj Al Gore txoj kev sib tw los qhia rau tib neeg txog kev sov sov. Cov yeeb yaj kiab nthuav tawm cov duab swb uas, los ntawm Gore tus kheej kwv yees, nws tau nthuav tawm ntau dua ib txhiab zaug rau cov neeg tuaj saib thoob ntiaj teb. Kawg hloov kho: 2023-12-15 23:12
Lwm cov ntoo muaj xws li ntsuab tshauv, nplua elm, dub willow, dej birch, sycamore, thiab zib ntab locust. Coniferous hom nyob rau hauv West Virginia suav nrog sab hnub tuaj dawb ntoo thuv, uas ua lub luag haujlwm tseem ceeb hauv kev nyiam thawj qhov kev lag luam hav zoov loj rau lub xeev xyoo 1880s. Kawg hloov kho: 2023-12-15 23:12