125 yog cov nyiaj faib (tus naj npawb peb faib) thiab nws mus rau sab hauv ntawm qhov faib bar. Thequotient (lus teb) nws thiaj li zaum saum lub division bar, thaum peb ua tiav
Endosymbiosis yog ib daim ntawv ntawm symbiosis nyob rau hauv lub symbiont nyob rau hauv lub cev ntawm nws tus tswv tsev thiab lub symbiont nyob rau hauv ib tug endosymbiosis yog hu ua ib tug endosymbiont. Ib qho piv txwv ntawm endosymbiosis yog kev sib raug zoo ntawm Rhizobium thiab cov nroj tsuag legumes. Rhizobium yog endosymbiont uas tshwm sim hauv cov hauv paus hniav ntawm legumes
Temperate rainforests yog cov yam ntxwv ntawm cov huab cua me me los yog kub. Qhov tseem ceeb, cov cheeb tsam no tsis muaj qhov txias heev lossis kub kub heev. Temperate rainforests muaj ob lub caij sib txawv. Ib lub caij (lub caij ntuj no) ntev heev thiab ntub dej, thiab lwm yam (lub caij ntuj sov) luv luv, qhuav thiab pos huab
Txhawm rau rho tawm cov lej, hloov cov cim ntawm tus lej uas yuav tsum tau rho tawm. Yog tias ob qho kev qhia zoo, cov lus teb yuav zoo. Yog tias ob lub cim tsis zoo, cov lus teb yuav tsis zoo. Yog hais tias cov cim qhia txawv, rho tus nqi tsawg dua los ntawm tus nqi loj dua
Ib qho ZERO-G Experience® muaj pib ntawm $ 5,400 rau ib tus neeg. Koj lub ZERO-GEExperience® suav nrog 15 parabolas, koj tus kheej ZERO-G davhlau suit, ZERO-G cov khoom lag luam, aRegravitation Celebration, daim ntawv pov thawj ntawm kev ua tiav tsis hnyav, duab thiab yees duab ntawm koj qhov kev paub tshwj xeeb. Nyeem ntxiv txog seb nws ua haujlwm li cas
Ib leeg (1) Piston calipers yog ib txwm zawv zawg calipers uas txav me ntsis raws li tus nres nres hnav. 6 Piston Calipers feem ntau muaj 3 inboard thiab 3 outboard opposing pistons. Lawv yuav luag ib txwm tsau txoj hauj lwm calipers tsis muaj bracket, zoo ib yam li 4 piston tsim
Tag nrho cov ntsiab lus ionic tebchaw yog cov khoom ntawm chav tsev kub, txawm li cas los xij muaj chav kawm ntawm chav tsev kub ionic kua. [1] Cov no yog qhov tshwm sim ntawm kev sib koom ua haujlwm tsis zoo ntawm cov ions hauv daim ntawv
Lub hli tam sim no nyob rau hauv lub constellation ntawm Taurus
Thaum ib yam khoom ntog, nws lub peev xwm gravitational hloov mus rau kinetic zog. Koj tuaj yeem siv qhov kev sib raug zoo no los xam qhov ceev ntawm qhov khoom qhovntsej thiaj tsis mob. Gravitational muaj peev xwm zog rau ib pawg m ntawm qhov siab h nyob ze ntawm lub ntiaj teb yog mgh ntau tshaj li lub zog muaj peev xwm yuav nyob rau qhov siab 0
Hauv kev suav lej thiab lej, plaub lub zog ntawm tus lej n yog qhov tshwm sim ntawm kev muab plaub qhov piv txwv ntawm n ua ke.So: n4 = n × n × n × n. Fourthpowers kuj yog tsim los ntawm kev sib npaug ntawm tus lej los ntawm nws covcube
Tsuas yog ob peb pawg tsiaj tso saib radial symmetry, thaum asymmetry yog qhov tshwj xeeb ntawm phyla Porifera (sponges)
Cov dos yog siv vim nws muaj cov hmoov txhuv nplej siab tsawg, uas tso cai rau DNA kom pom tseeb. Cov ntsev tiv thaiv qhov tsis zoo phosphate kawg ntawm DNA, uas tso cai rau qhov kawg los ze zog kom cov DNA tuaj yeem tso tawm ntawm cov dej cawv txias
Tag nrho RNA thiab DNA synthesis, ob qho tib si cellular thiab viral, ua rau tib yam tshuaj lom neeg kev taw qhia: los ntawm 5' (phosphate) kawg mus rau 3' (hydroxyl) kawg (saib daim duab 4-13). Nucleic acid chains yog sib sau los ntawm 5' triphosphates ntawm ribonucleosides los yog deoxyribonucleosides
Raws li cov kws tshaj lij, Ltalis Mount Vesuvius yog lub roob hluav taws txaus ntshai tshaj plaws hauv ntiaj teb, uas tsis yog qhov xav tsis thoob vim nws keeb kwm. Nyob rau hauv 79CE ib qho kev tawg ntawm Vesuvius faus lub nroog Pompeii, thiab Smithsonian tau taug qab 17,000-xyoo keeb kwm ntawm tawg tawg
Cellular differentiation yog txheej txheem uas lub cell hloov ntawm ib hom cell mus rau lwm tus. Feem ntau, cov xovtooj ntawm tes hloov mus rau hom tshwj xeeb dua. Kev sib txawv tshwm sim ntau zaus thaum lub sij hawm kev loj hlob ntawm ib tug multicellular kab mob raws li nws hloov los ntawm ib tug yooj yim zygote mus rau ib tug complex system ntawm cov ntaub so ntswg thiab cell hom
Volumetric Analysis Npaj ib qho kev daws teeb meem los ntawm cov qauv ntsuas kom raug rau +/- 0.0001 g ntawm cov khoom yuav tsum tau soj ntsuam. Xaiv ib yam khoom uas yuav hnov mob sai thiab ua tiav nrog cov tshuaj ntsuam xyuas thiab npaj cov txheej txheem kev daws teeb meem ntawm cov khoom no. Muab cov txheej txheem tov rau hauv ib lub buret thiab ntxiv nws maj mam mus rau qhov tsis paub
Hauv lwm lo lus, i1 / i2 = V2 / V1. Piv txwv li, yog hais tias tam sim no thiab voltage poob los ntawm lub thib ob kauj yog 3 amps thiab 10 volts, thiab qhov voltage poob los ntawm thawj kauj yog 5 volts, ces tam sim no los ntawm thawj kauj yog 10/5 * 3 = 6 amps. Yog li cov theem nrab muaj tsawg dua voltage thiab tam sim no ntau dua
Chemistry, tshwj xeeb tshaj yog cov synthesis ntawm dej los ntawm hydrazine, tseem ceeb heev rau zaj dab neeg ntawm "Lub Martian". Txawm hais tias tsis muaj qhov xwm txheej ntawm tus neeg caij nkoj marooned, chemistry yog qhov tseem ceeb rau kev muaj sia nyob ntawm tib neeg ntawm kev ya davhlau ntev uas cov pa roj carbon dioxide yuav tsum tau rov ua dua rau hauv oxygen
Cov genotype ntawm cov txiv neej nrog liab-ntsuab xim qhov muag tsis pom kev yog XY, X chromosome muaj recessive allele ntawm noob lub luag hauj lwm rau txawv xim liab-ntsuab
Ob qhov xwm txheej ntawm electron tau muab los ntawm de-Broglie thiab ua kom pom tseeb dua los ntawm Bohr. Dub lub cev hluav taws xob thiab cov nyhuv photoelectric qhia qhov zoo li qhov ntawm electron. Electromagnetic hluav taws xob qhia cov nthwv dej zoo li qhov xwm txheej ntawm electron. Ob chav slit sim kuj ua pov thawj ob qhov xwm txheej
Dej yog suav tias yog ib qho tsis muaj zog electrolyte los ntawm qee qhov chaw vim nws ib nrab dissociates rau hauv H + thiab OH- ions, tab sis ib qho tsis muaj electrolyte los ntawm lwm qhov chaw vim tias tsuas yog ib qho me me ntawm cov dej dissociates intoions
Thawj stain, tag nrho cov kab mob yog stained ntshav. Counter stain. Qhov no stains decolorized kab mob liab. Tib neeg lub hlwb tuaj yeem stained nrog crystal violet thiab safranin, yog li vim li cas tib neeg lub hlwb tsis tuaj yeem ua gram stained?
Sinkholes yog txhua yam hais txog dej. Dej yaj cov ntxhia hauv pob zeb, tawm hauv seem thiab qhib qhov chaw hauv pob zeb. Dej ntxuav cov av thiab cov seem ntawm cov voids hauv pob zeb. Kev txo qis ntawm cov dej hauv av tuaj yeem ua rau poob ntawm kev txhawb nqa rau cov khoom muag hauv cov pob zeb uas tuaj yeem ua rau tawg
Muab xam Molar Mass Molar mass yog qhov loj ntawm cov khoom muab faib los ntawm tus nqi ntawm cov khoom, ntsuas hauv g / mol. Piv txwv li, atomic mass ntawm titanium yog 47.88 amu lossis 47.88 g / mol. Hauv 47.88 grams titanium, muaj ib lub mole, lossis 6.022 x 1023 titanium atoms
Numpy.linalg.norm. Yog tias axis yog 2-tuple, nws qhia cov axes uas tuav 2-D matrices, thiab cov qauv matrix ntawm cov matrices yog xam. Yog tias axis tsis muaj ces yog ib qho vector (thaum x yog 1-D) lossis matrix norm (thaum x yog 2-D) rov qab
Chav tsev "mole" yog siv nyob rau hauv chemistry ua ib chav suav rau ntsuas tus nqi ntawm ib yam dab tsi. Ib lub mole ntawm ib yam dab tsi muaj 6.02 × 1023 units ntawm qhov ntawd. Qhov loj ntawm tus lej 6.02 × 1023 yog qhov nyuaj rau kev xav. Lub hom phiaj ntawm txoj haujlwm no yog kom nkag siab tias lub mole loj npaum li cas
Teb: Scaling yog tus txheej txheem ntawm resizing tus lej los ntawm ib feem uas ntau dua los yog tsawg dua 1
Tus naj npawb ntawm protons, neutrons, thiab electrons hauv atom tuaj yeem txiav txim siab los ntawm cov txheej txheem yooj yim. Tus naj npawb ntawm protons nyob rau hauv lub nucleus ntawm lub atom yog sib npaug rau atomic tooj (Z). Tus naj npawb ntawm electrons nyob rau hauv ib tug nruab nrab atom yog sib npaug zos rau tus naj npawb ntawm protons
Cov kab mob gram-zoo yuav yog cocci lossis bacilli. Qee cov kab mob Gram-zoo ua rau muaj kab mob. Lwm tus ib txwm nyob ntawm ib qho chaw hauv lub cev, xws li daim tawv nqaij. Cov kab mob no, hu ua nyob hauv flora, feem ntau tsis ua rau mob
Rule of Mixtures yog ib txoj hauv kev rau kev kwv yees kwv yees ntawm cov khoom siv sib xyaw, raws li kev xav tias cov khoom sib xyaw yog qhov ntim hnyav nruab nrab ntawm cov theem (matrix thiab dispersed theem) cov khoom
Triphenylmethyl radical
Daim ntawv thesis yog lub ntsiab lus tseem ceeb uas cov ntsiab lus ntawm koj tsab ntawv yuav txhawb nqa. Nws yog ib qho kev sib cav sib ceg, feem ntau ua hauv ib lossis ob kab lus, uas ua rau muaj kev sib cav meej txog koj cov ncauj lus tshawb fawb. Ua ib kab lus tiav uas piav qhia meej rau tus nyeem tag nrho cov lus qhia ntawm kev sau ntawv
Ib tug reversible inhibitor yog ib qho uas, ib zaug muab tshem tawm, tso cai rau lub enzyme nws twb inhibiting pib ua hauj lwm dua. Nws tsis muaj qhov cuam tshuam tas mus li ntawm cov enzyme - nws tsis hloov cov duab ntawm qhov chaw nquag, piv txwv li. Reversible Inhibition tej zaum yuav muaj kev sib tw, tsis muaj kev sib tw lossis tsis sib tw
Cov chav kawm ntawm Crystalline Solids. Cov khoom siv crystalline tuaj yeem piav qhia los ntawm hom ntawm cov khoom hauv lawv thiab hom tshuaj sib txuas uas tshwm sim ntawm cov khoom. Muaj plaub hom crystals: (1) ionic, (2) metallic, (3) covalent network, thiab (4) molecular
Advanced Functions and Modeling (AFM) yog ib chav kawm lej tshiab hauv tsev kawm qib siab uas muaj nyob rau hauv North Carolina pib thaum lub caij nplooj zeeg xyoo 2004. AFM tau tsom mus rau kev siv cov haujlwm los ntawm kev ua qauv. Cov tub ntxhais kawm kawm los daws cov teeb meem uas siv cov txuj ci tsom xam, cov tswv yim yuav ua tau, thiab ua haujlwm
Ib qho kev txwv ib sab tsis muaj nyob thaum: Yog li, qhov txwv tsis muaj
Volcanoes tsim pob zeb volcanic xws li lava, uas yog magma uas tau txias rau saum npoo ntawm lub ntiaj teb. Txawm li cas los xij, tsis yog txhua lub roob thiab roob yog volcanoes. Qee qhov yog cov yam ntxwv tectonic, tsim los ntawm lub roob roob, uas feem ntau tshwm sim ntawm thaj tsam phaj, ib yam li volcanism
Nws yog qhov tsis tshua muaj, txawm hais tias nws yog 16th feem ntau cov khoom nyob rau hauv lub ntiaj teb crust. Rubidium yog tam sim no nyob rau hauv ib co minerals pom nyob rau hauv North America, South Africa, Russia, thiab Canada. Nws muaj nyob rau hauv qee cov poov tshuaj minerals (lepidolites, biotites, feldspar, carnallite), qee zaum nrog cesium thiab
Giant sequoia loj hlob heev vim lawv nyob ntev heev thiab loj hlob sai. Vim tias lawv xav tau cov av zoo, taug kev ncig lub hauv paus ntawm sequoia loj heev tuaj yeem ua rau lawv raug mob, vim nws compacts cov av nyob ib ncig ntawm lawv cov hauv paus hniav ntiav thiab tiv thaiv cov ntoo kom tsis txhob muaj dej txaus
Orbital txhais. Hauv chemistry thiab quantum mechanics, lub orbital yog kev ua lej uas piav qhia txog tus cwj pwm zoo li nthwv dej ntawm electron, electronpair, lossis (tsawg dua) nucleons. Lub orbital tuaj yeem muaj ob lub tshuab hluav taws xob nrog kev sib tw ua ke thiab feem ntau cuam tshuam nrog thaj tsam tshwj xeeb ntawm ib qho atom