Translocation Down Syndrome yog ib hom Down syndrome uas tshwm sim thaum ib chromosome tawg thiab txuas mus rau lwm chromosome. Hauv translocation Down syndrome, ntxiv 21 chromosome tuaj yeem txuas rau 14 chromosome, lossis rau lwm tus lej chromosome xws li 13, 15, lossis 22
Kev Kho Mob Txhais ntawm Gram-positive Gram-positive: Cov kab mob Gram-positive khaws cov xim ntawm crystal violet stain hauv Gram stain. Qhov no yog tus yam ntxwv ntawm cov kab mob uas muaj cov phab ntsa ntawm tes tsim los ntawm cov txheej tuab ntawm cov khoom tshwj xeeb (hu ua peptidologlycan)
ROM stands rau Run of Mine, uas tseem ceeb yog muck (piv txwv li ore los yog pov tseg) uas tau raug blasted tab sis tsis tau loj (piv txwv li crushed) ntxiv lawm
Txhua qhov kev ua haujlwm quadratic tuaj yeem sau rau hauv tus qauv daim foos f(x) = a(x - h) 2 + k qhov twg h thiab k tau muab rau hauv cov ntsiab lus ntawm coefficients a, b thiab c. Cia peb pib nrog lub quadratic muaj nuj nqi nyob rau hauv daim ntawv dav dav thiab ua kom tiav cov xwmfab rov sau dua hauv daim ntawv qauv
Thiab Newton thawj txoj cai ntawm kev txav mus los qhia tau hais tias ib qho khoom ntawm so yuav nyob twj ywm tshwj tsis yog tias muaj kev quab yuam sab nraud siv rau nws. Newton txoj cai thib peb ntawm tsab ntawv tsa suab hais tias, 'Rau txhua qhov kev txiav txim muaj qhov sib npaug thiab tawm tsam.' Yog li ntawd siv rau cov menyuam coaster, nruab nrab ntawm cov tsheb caij tsheb thiab khiav
Suav tus naj npawb ntawm kab rov tav faib los ntawm ib qho taw tes siab mus rau tom ntej (piv txwv li ncov mus rau ncov) ntawm koj lub teeb liab oscillating. Tom ntej no koj yuav muab tus naj npawb ntawm kab rov tav faib los ntawm lub sij hawm / faib kom pom lub teeb liab lub sij hawm. Koj tuaj yeem suav cov teeb liab zaus nrog qhov sib npaug no: zaus = 1 / lub sijhawm
Autocorrelation muaj nuj nqi yog ib qho ntawm cov cuab yeej siv los nrhiav cov qauv hauv cov ntaub ntawv. Tshwj xeeb, autocorrelation muaj nuj nqi qhia koj txog kev sib raug zoo ntawm cov ntsiab lus sib cais los ntawm ntau lub sij hawm lags. Yog li, ACF qhia koj tias cov ntsiab lus sib raug zoo li cas nrog ib leeg, raws li pes tsawg lub sijhawm lawv tau sib cais los ntawm
Nws yog vim hais tias lub kaum sab xis siv rau 150 yog sib npaug rau 30. lub kaum sab xis siv yog lub kaum sab xis nyob rau hauv daim duab peb sab tsim los ntawm kev xa rov qab ib qho perpendicular mus rau x-axis ntawm lub voj voog. Ntawm no yog ib daim duab kos ntawm 30 degrees thiab 150 degrees ntawm lub voj voog thiab cov duab peb sab. lub kaum sab xis 30 degree yog nyob rau hauv quadrant 1
Txoj cai ntawm Alligation. Yog tias ob qho khoom xyaw sib xyaw, ces. (Quantity of cheaperQuantity of dearer) (Quantity of cheaper Quantity of dearer) =(CP of dearer - Mean PriceMean price - CP ntawm cheaper)
Yog vim li cas rau qhov no yog cov khoom muaj cov khoom ntawm ferrous, feem ntau hlau, uas yog attracted rau cov hlau nplaum. Hlau ib txwm tshwm sim hauv ntau yam xws li qee cov kua lossis txawm tias cov nroj tsuag, tab sis nws yuav siv cov hlau nplaum muaj zog heev los nyiam cov khoom me me hauv qee yam thiab pom nws ua haujlwm
Txoj Kev Milky raws li pom los ntawm Shenandoah National Park. Dawb ntawm lub teeb paug thiab kev loj hlob, Shenandoah National Park yog ib qho chaw zoo tshaj plaws rau kev ua yeeb yam hauv Virginia
Redwoods ua kom huab cua zoo rau peb txhua tus. Cov hav zoov redwood hauv zos yog qhov tseem ceeb hauv kev muab kev nyab xeeb, ruaj khov. Vim tias California lub ntug dej hiav txwv redwood hav zoov muaj txiaj ntsig zoo ntawm kev ntes thiab hloov cov pa roj carbon monoxide, kev tiv thaiv lawv tuaj yeem cuam tshuam loj rau kev hloov pauv huab cua hauv ntiaj teb qeeb
Cov kab mob ntawm tes kab mob thiab Archaea yog prokaryotes, thaum tag nrho lwm yam kab mob nyob yog eukaryotes. Amoebae yog eukaryotes uas lawv lub cev feem ntau muaj ib lub xov tooj ntawm tes. Lawv cytoplasm thiab cellular cov ntsiab lus yog nyob rau hauv ib tug cell membrane
Cov cuab yeej ntawm Bezier Curves Lawv feem ntau ua raws li cov duab ntawm cov tswj polygon, uas muaj cov ntu uas koom nrog cov ntsiab lus tswj. Lawv ib txwm dhau los ntawm thawj thiab qhov kawg tswj cov ntsiab lus. Lawv muaj nyob rau hauv lub convex hull ntawm lawv txhais controlpoints
Qhov laj thawj vim li cas cov hnub qub tsis tuag thaum nws muaj sijhawm yog vim lawv nyiam sib xyaw ua ke hauv cov ntsiab lus sib txawv thiab hnyav dua
Rosa laevigata
Hauv kev ua lej, cov pab pawg dav dav ntawm degree n yog cov txheej txheem ntawm n × n invertible matrices, ua ke nrog kev ua haujlwm ntawm cov lej matrix sib npaug. Cov pab pawg GL(n, F) thiab nws pawg sub feem ntau hu ua pawg kab lossis pawg matrix (cov pab pawg paub daws teeb meem GL(V) yog ib pawg kab tab sis tsis yog pawg matrix)
Lo lus 'savanna' feem ntau yog siv los xa mus rau thaj av qhib nrog qee cov ntoo npog, thaum 'grassland' yog hais txog cov nyom nyom nrog me me lossis tsis muaj ntoo npog
Kev txhais ntawm valence electron .: ib qho hluav taws xob ib leeg lossis ib qho ntawm ob lossis ntau dua electrons nyob rau hauv lub plhaub sab nraud ntawm lub atom uas yog lub luag haujlwm rau cov khoom siv tshuaj ntawm lub atom
Ib kab ntu muaj ob qhov kawg. Nws muaj cov ntsiab lus kawg no thiab tag nrho cov ntsiab lus ntawm kab ntawm lawv. Koj tuaj yeem ntsuas qhov ntev ntawm ib ntu, tab sis tsis yog ntawm kab. Ib txoj kab hluav taws xob yog ib feem ntawm kab uas muaj ib qho kawg thiab mus rau qhov kawg ntawm ib qho kev taw qhia xwb
Kev hloov pauv dav dav yog kho los ntawm lytic phages qhov twg DNA ntu tuaj yeem hloov pauv los ntawm tus kab mob thiab tsis tuaj yeem koom ua ke ntu rau cov kab mob chromosome. thaum tshwj xeeb kev hloov pauv yog txheej txheem uas ib feem ntawm cov kab mob DNA tau ntim rau hauv lub taub hau phage uas tau xa mus rau lwm cov kab mob
NASA: Lub hnub yog Officially Sphere. Yog li tshaj tawm NASA, tus neeg txiav txim siab ntawm qhov tseem ceeb thaum nws los txog rau lub hnub ci, thaum Lub Ob Hlis 6. Nyob rau hnub tsis ntev los no, NASA tus ntxaib STEREO sojntsuam tau txav mus rau hauv txoj haujlwm ntawm sab nraud ntawm lub hnub
Nyeem ntxiv los tshawb txog Sheryl's 5 lub tswv yim txhawm rau txhawm rau 'O' Qib Chemistry Paper 2. Yuav kom tau qhab nia zoo, cov tub ntxhais kawm yuav tsum: paub lawv cov ntsiab lus zoo. xyaum tswj lub sijhawm. txheeb xyuas hom lus nug thiab cov kev xav tau nrog precision. teb txhua lo lus nug kom raug
Dissolving qab zib hauv dej yog ib qho piv txwv ntawm kev hloov lub cev. Nov yog vim li cas: Kev hloov tshuaj lom neeg tsim cov khoom siv tshuaj tshiab. Txhawm rau kom qab zib hauv dej los ua cov tshuaj hloov pauv, ib yam tshiab yuav tsum tau ua. Yog tias koj evaporate cov dej los ntawm cov kua qab zib-dej, koj nyob nraum nrog qab zib
Nrov Cov Lus Teb (1) Ntxiv 0.1% DEPC rau MilliQ lossis Ob Chav Distilled dej - cia nws zaum hmo ntuj ntawm 37degC thiab tom qab ntawd Autoclave nws. Xyuas kom tseeb tias cov iav uas siv los kuj tau muab yaug nrog dej tib yam lossis kho nrog Chloroform lossis Ci hauv qhov cub cua kub (260degC) rau 4 teev. Nws yuav tsum tau npaj rau kev siv - ob qho tib si DNase thiab RNase dawb
Thaum lub sij hawm meiosis, cov hlwb xav tau rau kev sib deev sib faib los tsim cov hlwb tshiab hu ua gametes. Gametes muaj ib nrab ntawm ntau cov chromosomes li lwm lub hlwb hauv lub cev, thiab txhua gamete yog qhov tshwj xeeb ntawm caj ces vim tias DNA ntawm niam txiv ntawm tes raug hloov ua ntej lub cell faib
Phenol reacts nrog: Lub hauv paus (zoo li NaOH) los tsim cov phenoxide anion. Qhov no yog cov tshuaj tiv thaiv deprotonation, vim yog tshem tawm cov proton (hydrogen). Acetyl chloride los yog acetic anhydride los tsim ib qho ester (OH pawg yog hloov los ntawm ib pawg O-alkyl)
Granite yog cov khoom ntxeem tau. Feem ntau cov fabricators yuav siv lub sealer rau granite countertops ua ntej lawv tau nruab uas yuav tiv thaiv lawv los ntawm absorbing kua sai heev. Lwm cov ntaub ntawv countertop xws li khoom nto thiab quartz surfacing yog non-porous
Cov noob muaj cov ntaub ntawv uas txiav txim siab koj tus yam ntxwv (hais: cov khoom siv), uas yog cov yam ntxwv lossis cov yam ntxwv uas tau dhau los rau koj - lossis tau txais - los ntawm koj niam koj txiv. Txhua lub cell hauv tib neeg lub cev muaj txog 25,000 txog 35,000 cov noob. Thiab chromosomes muaj nyob hauv cov hlwb. Koj lub cev yog tsim los ntawm billions ntawm cov hlwb
Qhov dej drilling feem ntau ua rau cov dab dej thaum lub rooj dej hloov pauv vim tias lub qhov dej tau nqus dej los yog vim dej tau tawm, Scott tau hais. Tsis tas li ntawd, yog tias lub qhov dej tau raug laum rau hauv thaj chaw uas muaj kab noj hniav, qhov kab noj hniav yuav tawg
Tus kab mob bacteriophage yog ib hom kab mob uas tawm tsam cov kab mob xwb. Nws siv cov kab mob los tsim nws tus kheej. Bacteriophages ua hauj lwm los ntawm txhaj lawv tus kheej DNA rau hauv cov kab mob hlwb. Lawv siv cov tshuab lom neeg ntawm cov kab mob los tsim cov kab mob, thiab ntau tus kab mob ntxiv tau tsim los ntawm txoj kev no
Dab tsi yog lub sijhawm txawb hauv nyias txheej chromatography? Cov theem ntawm lub xov tooj txawb yog cov kuab tshuaj uas tsim nyog los yog sib xyaw ntawm cov kuab tshuaj. Cov theem txawb ntws los ntawm theem nyob ruaj khov thiab nqa cov khoom sib xyaw nrog nws. Cov khoom sib txawv taug kev ntawm tus nqi sib txawv
Obsidian, igneous pob zeb tshwm sim raws li ib tug naturalglass tsim los ntawm ceev ceev ntawm viscous lava los ntawm volcanoes.Obsidian yog nplua nuj nyob rau hauv silica (kwv yees li 65 mus rau 80 feem pua), yog dej tsawg, thiab muaj cov tshuaj muaj pes tsawg leeg zoo ib yam li rhyolite. Obsidian muaj lub ntsej muag ci ntsa iab thiab yog qhov nyuaj dua li lub qhov rais iav
Chi-Square Distribution Qhov nruab nrab ntawm qhov kev faib tawm yog sib npaug rau cov qib kev ywj pheej: μ = v. Qhov sib txawv yog sib npaug rau ob npaug ntawm cov qib kev ywj pheej: σ2 = 2 * v. Thaum cov qib kev ywj pheej ntau dua tshaj los yog sib npaug rau 2, tus nqi siab tshaj plaws rau Y tshwm sim thaum Χ2 = v - 2
Nyob ntawm nws cov concentration, qhov no yuav muaj pH nyob ib ncig ntawm 14. Raws li lub hauv paus muaj zog, sodium oxide kuj reacts nrog acids. Piv txwv li, nws yuav hnov mob nrog dilute hydrochloric acid los tsim sodium chloride tov. Magnesium oxide yog ib qho yooj yim yooj yim oxide, vim nws kuj muaj oxide ions
Hauv cov txheej txheem autocrine signaling, molecules ua rau tib lub hlwb uas tsim lawv. Hauv kev taw qhia paracrine, lawv ua rau cov hlwb nyob ze. Autocrine signals suav nrog cov kab mob matrix extracellular thiab ntau yam uas txhawb kev loj hlob ntawm tes
Photosynthesis (kwv yees lub zog ntawm biomass) thiab ua pa (tso tawm cov khw muag khoom ntawm biomass) tswj kev khiav ntawm lub zog. Cov txheej txheem los ntawm cov nroj tsuag ntsuab hloov lub teeb lub zog los ntawm lub hnub mus rau hauv tshuaj lom neeg lub zog uas khaws cia rau hauv cov organic teeb meem. Hnub ci ua lub zog qhov chaw, carbon dioxide thiab dej
Arête, (Fabkis: "ridge"), nyob rau hauv geology, ib tug ntse-crested serrate ridge cais lub taub hau ntawm tawm tsam hav (cirques) uas yav tas los tau nyob los ntawm Alpine glaciers. Nws muaj kaum sab xis uas tsim los ntawm lub cev qhuav dej ntawm cov pob zeb uas tsis muaj kev txhawb nqa, undercut los ntawm kev khov thiab thawing (glacial sapping; saib cirque)
Cov txaj yog cov txheej ntawm cov pob zeb sedimentary uas txawv ntawm qhov sib txawv thiab cov txaj tom qab ntawm cov pob zeb sib txawv. Cov txheej ntawm cov txaj yog hu ua strata. Lawv yog tsim los ntawm cov pob zeb sedimentary tau tso rau hauv lub ntiaj teb cov khoom saum npoo ntev ntev
Kuj xam lub wavelength ntawm ib tug dawb electron nrog ib tug kinetic zog ntawm 2 eV. Teb: Lub wavelength ntawm 2 eV photon yog muab los ntawm: l = h c / Eph = 6.625 x 10-34 x 3 x 108 / (1.6 x 10-19 x 2) = 621 nm