Giant sequoias tuaj yeem loj hlob mus txog 30 feet (9 meters) hauv txoj kab uas hla thiab ntau dua 250 feet (76 m) siab. Qhov loj tshaj ntawm cov behemoths yog General Sherman, ib tug loj heev sequoia nyob rau hauv Sequoia National Park
Evolutionary psychologists feem ntau raug thuam vim tsis quav ntsej lub cev loj ntawm cov ntaub ntawv hauv kev puas siab puas ntsws, kev xav, kev nom kev tswv thiab kev kawm txog kev sib raug zoo. Nws yog qhov kev tshawb nrhiav rau ntau hom kev puas siab puas ntsws hloov pauv (lossis 'tib neeg xwm txheej') uas paub qhov txawv ntawm evolutionary psychology los ntawm kev piav qhia kev coj noj coj ua lossis kev sib raug zoo
Rigid motion yog txwv tsis pub hu ua ib tug nruj transformation thiab tshwm sim thaum ib tug taw tes los yog khoom yog tsiv, tab sis qhov luaj li cas thiab cov duab nyob twj ywm tib yam. Qhov no txawv ntawm qhov tsis muaj zog, zoo li dilation, qhov loj ntawm cov khoom tuaj yeem nce lossis txo
Transmission Line Transmission kab nqa high voltageelectricity, feem ntau ntawm 345,000 volts, dhau deb ntawm lub zog tsim cov nroj tsuag thiab cov neeg siv khoom
Kauj Ruam 2: Txheeb xyuas txhua daim ntawv cog lus raws li polar lossis nonpolar. (Yog hais tias qhov sib txawv ntawm electronegativity rau cov atoms nyob rau hauv ib daim ntawv cog lus yog ntau tshaj 0.4, peb xav txog daim ntawv cog lus polar. Yog hais tias qhov sib txawv ntawm electronegativity tsawg dua 0.4, daim ntawv cog lus yog qhov tseem ceeb nonpolar.) Yog tias tsis muaj polar bonds, lub molecule yog tsis muaj polar
Lub calcite them nyiaj qhov tob nyob nruab nrab ntawm 4 thiab 6 km hauv cov dej hiav txwv niaj hnub no thiab aragonite them nyiaj qhov tob (ACD) tshwm sim nyob rau nruab nrab ntawm li 3 km saum toj no (Morse thiab Mackenzie, 1990 thiab cov ntaub ntawv nyob rau hauv)
Vim li cas nws thiaj tseem ceeb rau anthropology? Fieldwork yog ib qho ntawm cov kev coj ua tshwj xeeb tshaj plaws uas cov kws tshawb fawb tau coj los kawm txog tib neeg lub neej hauv zej zog. Los ntawm kev ua haujlwm hauv cheeb tsam, tus kws tshawb fawb txog kev sib raug zoo nrhiav cov ncauj lus kom ntxaws thiab nkag siab zoo ntawm cov ntsiab lus ntawm kev sib raug zoo thiab kev sib raug zoo
Ua ntej, yuav tsum muaj qhov sib txawv, lawv yuav tsum muaj qhov sib txawv. Ib tus lej yuav tsum yog qhov zoo thiab tus lej yuav tsum yog qhov tsis zoo. Qhov thib ob, yuav tsum tau txais kev sib raug zoo, ib tus lej yuav tsum yog qhov feem cuam tshuam, lossis upside downversion, ntawm lwm tus lej. Piv txwv li, thereciprocal los yog flipped feem ntawm 3/4 yog 4/3
Los yog phim callas nrog ib tus neeg tawg paj ntawm cymbidium orchids lossis tshuaj tsuag roses. Cov yeeb yuj calla lily paj koom tes zoo nrog cov nplooj ntoo, xws li eucalyptus lossis ruscus. Lawv kuj saib zoo nrog hypericum berries. Nyob rau hauv ib lub vase, siv cov stems ntev ntawm calla lilies rau ntauwd saum lub taub hau hydrangea los yog peony paj
Txawm hais tias ob qho tib si fir thiab ntoo thuv yog conifers, bearing cones, thiab cov tswv cuab ntawm tib cov nroj tsuag tsev neeg, Pinaceae, lawv cov nroj tsuag npe txawv. Fir ntoo yog cov tswv cuab ntawm genus Abies; whereas ntoo thuv belongs rau Pinus
Cov purines hauv DNA yog adenine thiab guanine, tib yam li hauv RNA. Cov pyrimidines hauv DNA yog cytosine thiab thymine; Hauv RNA, lawv yog cytosine thiab uracil. Purines loj dua pyrimidines vim tias lawv muaj ob lub nplhaib qauv thaum pyrimidines tsuas muaj ib lub nplhaib
Kev sib raug zoo. (Qee cov phau ntawv piav qhia txog kev sib raug zoo los ntawm kev hais tias 'y sib txawv nrog x' lossis qhov 'y yog ncaj qha proportional rau x.') Qhov no txhais tau hais tias thaum x nce, y nce thiab x qis, y txo qis-thiab qhov piv txwv. nruab nrab ntawm lawv ib txwm nyob tib yam
Nuclear fais fab nroj tsuag ua haujlwm li cas? Peb qhov kev sib koom ua ke ntawm cov ntaub ntawv hluav taws xob tshwm sim ntawm cov chaw tsim hluav taws xob nuclear: nuclear zog hloov mus rau hauv thermal zog, thermal zog hloov mus rau txhua yam zog, thiab txhua yam zog hloov mus rau hluav taws xob
Ib qho ntawm cov ntsiab lus nthuav dav hauv tsev kawm theem siab. Life Sciences lossis biological sciences suav nrog cov ceg ntawm kev tshawb fawb uas koom nrog kev tshawb fawb txog lub neej thiab cov kab mob xws li kab mob, nroj tsuag, thiab tsiaj txhu suav nrog tib neeg. Qee qhov kev tshawb fawb txog lub neej tsom mus rau ib hom kab mob tshwj xeeb
Feem ntau autotrophs siv cov txheej txheem hu ua photosynthesis los ua lawv cov zaub mov. Hauv photosynthesis, autotrophs siv lub zog los ntawm lub hnub los hloov dej los ntawm cov av thiab carbon dioxide los ntawm huab cua mus rau hauv cov khoom noj hu ua qabzib. Glucose yog hom qab zib. Cov piam thaj muab cov nroj tsuag muaj zog
400,000 tsob ntoo thiab tsob ntoo, nyob rau hauv cov ntsiab lus ntawm nws txoj kev cog qoob loo uas twb muaj lawm thoob plaws peb thaj av qaum teb Greek uas hla los ntawm cov kav dej
Fluorite qee zaum pom raws li cov pob zeb hauv cov pob zeb uas tsis muaj zog, tab sis nws tsis yog pob zeb tsis zoo. Tsis yog. Cov pob zeb sedimentary tau tso los ntawm cua, dej, dej khov, lossis lub ntiajteb txawj nqus, thiab lawv feem ntau muaj cov pob txha. Fluorite tsis yog pob zeb sedimentary
Teb: Cov dej ntws hauv tus dej erodes cov toj roob hauv pes. Qee lub sij hawm, tus dej ntws hla nws cov ntug dej ua rau dej nyab hauv cov cheeb tsam ze. Raws li nws dej nyab, nws tso cov txheej ntawm cov av zoo thiab lwm yam khoom hu ua sediments raws nws ntug dej. Raws li qhov tshwm sim - fertile floodplain yog tsim
Kev piav qhia. Ib tug ncej ntawm kev siv yog ib qho nyuaj ntawm kev xav thiab tus cwj pwm uas peb siv los lim cov kev xav los tsim lub ntsiab lus. Lub thav duab tuaj yeem suav nrog kev ntseeg, schemas, nyiam, qhov tseem ceeb, kab lis kev cai thiab lwm yam uas peb ua rau peb nkag siab thiab txiav txim siab
Sib nqus Quantum Number
Fais fab transformer tuaj yeem hloov pauv hloov tam sim no (AC) voltage lossis hluav taws xob tam sim no los ntawm ib qib mus rau lwm qhov.Power sib npaug rau lub sijhawm voltage tam sim no. Transformerscan yeej tsis nce lub zog. Yog hais tias lawv voltage yog nce, tam sim no txo thiab yog hais tias lawv txo voltage tam sim no nce
Lub 'H' hauv pH hais txog qhov concentration ntawm hydrogen ions hauv cov tshuaj. Cov cim tshuaj rau hydrogen yog H, thiab nws ib txwm muaj peev xwm. Tus 'p' tsuas yog lub cim lej uas txhais tau tias 'tsis zoo logarithm. Yog li yog tias qhov concentration ntawm H = 10^-6 M, ces log H = -6
Qp ua. Kev ua haujlwm yog lub xeev cov cuab yeej cuab tam raws li nws ncaj qha proportional rau cov khoom qhov deb txav tawm tsam qhov kev tawm tsam thiab qhov kev ncua deb no nyob ntawm txoj kev coj. Txij li thaum deltaU = W + q, thiab kev ua haujlwm yog lub xeev muaj nuj nqi, nws zoo li tias cov cua sov muab tawm yuav tsum nyob ntawm txoj kev thiab
Nyob rau hauv chemistry, acids thiab bases tau txhais txawv los ntawm peb pawg ntawm kev xav. Ib qho yog Arrhenius lub ntsiab lus, uas tig mus nyob ib puag ncig lub tswv yim tias cov kua qaub yog cov khoom uas ionize (so tawm) hauv cov kua dej los tsim cov hydrogen (H +) ions thaum lub hauv paus tsim hydroxide (OH-) ions hauv kev daws
Cov lej ntuj yog tag nrho cov lej 1, 2, 3, 4… Lawv yog cov lej koj feem ntau suav thiab lawv yuav txuas ntxiv mus rau qhov tsis muaj tseeb. Tag nrho cov lej yog txhua tus lej suav nrog 0 piv txwv. 0, 1, 2, 3, 4… Cov zauv suav nrog tag nrho cov lej thiab lawv qhov tsis zoo sib piv xws li.
Harlow Shapley qhov kev txiav txim siab ntawm qhov loj ntawm Galaxy. Shapley pom tias cov pawg globular muaj RR Lyrae hloov pauv. Nws ntsuas qhov kev ncua deb mus rau globular pawg. Lawv tau muab faib rau hauv qhov sib npaug sib npaug ntawm qhov chaw ntawm lub dav hlau ntawm Milky Way, tab sis qee qhov deb ntawm lub hnub
Ua ntej, muab qhov sib npaug ntawm kab muab rau hauv daim ntawv nqes hav-intercept los ntawm kev daws rau y. Koj tau txais y = 2 x + 5, txoj kab nqes yog -2. Perpendicular kab muaj qhov tsis sib thooj-reciprocal slopes, yog li txoj kab nqes ntawm txoj kab peb xav pom yog 1/2. Txuas lub ntsiab lus muab rau hauv qhov sib npaug y = 1/2x + b thiab daws rau b, peb tau txais b = 6
San Diego, Los Angeles thiab Big Sur yog nyob ntawm Pacific Phaj. San Francisco, Sacramento thiab Sierra Nevada yog nyob rau North American Phaj. Thiab txawm tias San Francisco cov lus dab neeg 1906 av qeeg, San Andreas Fault tsis mus dhau lub nroog
Hom: P. laurocerasus
Teb thiab piav qhia: Thaum cov pob zeb igneous raug huab cua thiab yaig, lawv tau tawg mus rau hauv me me ntawm sediment. Sediment yog ib txwm tshwm sim ntawm cov pob zeb
Raws li cov cua tsis kam, piv txwv li, lub davhlau ya nyob twg ceev ntawm lub skydiver nyob rau hauv lub plab-rau-lub ntiaj teb (piv txwv li, fim down) free caij nplooj zeeg txoj hauj lwm yog hais txog 195 km / h (120 mph; 54 m / s)
Kev piav qhia: Alleles uas ua tiav kev tswj hwm yuav ib txwm qhia nyob rau hauv lub cell phenotype. Txawm li cas los xij, qee zaum dominance ntawm ib qho allele tsis tiav. Nyob rau hauv tas li ntawd, yog hais tias ib tug cell muaj ib tug tseem ceeb thiab ib tug recessive allele (piv txwv li heterozygous), lub cell tuaj yeem tso saib cov phenotypes nruab nrab
Txhais. Dot maps yog siv los pom qhov kev faib tawm thiab qhov ntom ntom ntawm ntau qhov sib cais ntawm cov khoom sib cais, qhov sib piv rau qhov chaw hauv daim duab qhia chaw, tsis yog txhua qhov khoom tau piav qhia tab sis ib lub cim sawv cev rau cov khoom siv tas li
Kev Qhia Ceev Ceev ntawm Douglas Fir Lub khob hliav qab muaj qhov tshwj xeeb nab tus nplaig zoo li forked bracts creeping tawm hauv qab cov nplai. Cov cones no yuav luag ib txwm tsis zoo thiab muaj ntau ob qho tib si ntawm thiab hauv qab tsob ntoo. Tiag tiag firs muaj koob uas yog upturned thiab tsis whorled
Friedrich Wohler tau tshawb pom nyob rau xyoo 1828 tias urea tuaj yeem tsim los ntawm cov khoom pib inorganic. Cov txheej txheem no yog hu ua urea voj voog, uas muab cov khoom pov tseg nitrogenous. Lub siab tsim nws los ntawm kev sib txuas ob lub ammonia molecules nrog carbon dioxide molecule
Video piav. Thymine tsis pom hauv RNA. RNA yog ib tug polymer nrog ib tug ribose thiab phosphate qaum qaum thiab plaub lub hauv paus sib txawv: adenine, guanine, cytosine, thiab uracil. Thawj peb yog tib yam li cov pom hauv DNA, tab sis hauv RNA thymine yog hloov los ntawm uracil ua lub hauv paus ntxiv rau adenine
Cov cylinders kawm tiav feem ntau yog qhov tseeb thiab meej dua li cov khoom siv hluav taws xob thiab cov beakers, tab sis lawv yuav tsum tsis txhob siv los ua qhov ntsuas volumetric; volumetric glassware, xws li lub khob ntim ntim lossis ntim ntim, yuav tsum tau siv, vim nws yog qhov tseeb dua thiab meej
Lub qhov hnyav ntawm lub qhov dej khov, ua ke nrog nws qhov kev txav mus los, tuaj yeem hloov kho cov toj roob hauv pes ntau pua lossis ntau txhiab xyoo. Cov dej khov erodes thaj av saum npoo thiab nqa cov pob zeb tawg thiab cov av khib nyiab deb ntawm lawv qhov chaw qub, ua rau qee qhov nthuav dav glacial landforms
Ntaus tus nqi Tsis Txaus Siab Rau feem ntau cov keyboards hauv computer, koj tuaj yeem pom '|' cim saum lub backslash, uas zoo li '. Txhawm rau ntaus nws, tsuas yog tuav tus yuam sij hloov thiab ntaus tus yuam sij backslash
Kev tsis sib haum xeeb hauv kev faib ib hom kev sib txawv Hauv qee kis, qhov ntsuas ntsuas rau cov ntaub ntawv yog qhov qub, tab sis qhov sib txawv tau raug kho raws li txuas ntxiv. Piv txwv li, Likert scale uas muaj tsib qhov tseem ceeb - pom zoo, pom zoo, tsis pom zoo lossis tsis pom zoo, tsis pom zoo, thiab tsis pom zoo - yog qhov zoo ib yam