Midpoint ntawm ib kab segment Tsuas yog ib kab kab tuaj yeem muaj qhov nruab nrab. Ib txoj kab tsis tuaj yeem txij li nws mus nyob rau hauv ob qho tib si cov lus qhia, thiab yog li tsis muaj qhov nruab nrab. Ib tug raycannot vim nws tsuas muaj ib kawg, thiab li nomidpoint. Thaum ib kab txiav lwm txoj kab rau hauv ob qhov sib npaug nws hu ua bisector
Feem ntau hu ua AVO Meter Multimeter lossis Multitester. Ntawm lo lus yuav ua tau ib qho kev nkag siab ntawm AVO meter yog ib qho cuab yeej rau kev ntsuas tam sim no, voltage, ob qho tib si hloov tam sim no (AC) Direct Current (DC) thiab hluav taws xob tsis kam
L=3 rau f subshell. Tus naj npawb ntawm orbitals yog = 2l + 1 = 7. Nws tuaj yeem ua rau tag nrho 14 electron. Li no rau lub plhaub ntawm tus thawj quantum tooj n = 4 muaj 16 orbitals, 4 subshells, 32 electrons (siab tshaj) thiab 14 electrons nrog l = 3
Porcupines pub rau cov ntoo thuv, tshwj xeeb tshaj yog nyob rau lub caij ntuj no (11)
Enantiomers yog chiral molecules uas yog daim iav duab ntawm ib leeg. Tsis tas li ntawd, cov molecules yog non-superimposable ntawm ib leeg. Qhov no txhais tau hais tias cov molecules tsis tuaj yeem muab tso rau saum ib leeg thiab muab tib lub molecule. Nws yog qee zaum nyuaj los txiav txim siab seb puas los yog tsis yog ob lub molecules yog enantiomers
Qhov txawv ntawm kev hloov tshuaj thiab lub cev yog dab tsi? Kev hloov tshuaj muaj xws li kev tsim cov khoom tshiab los ntawm kev rhuav tshem thiab rov kho cov atoms. Kev hloov ntawm lub cev feem ntau yog thim rov qab thiab tsis koom nrog kev tsim cov khoom sib txawv lossis cov khoom sib txuas
Clastic sedimentary pob zeb xws li breccia, conglomerate, sandstone, siltstone, thiab shale yog tsim los ntawm cov khoom siv huab cua khib nyiab. Chemical sedimentary pob zeb, xws li pob zeb ntsev, hlau ore, chert, flint, ib co dolomites, thiab ib co limestones, tsim thaum yaj cov ntaub ntawv precipitate los ntawm kev daws
Lub dyke (los yog dike) hauv geology yog ib hom pob zeb tom qab ntsug ntawm cov pob zeb qub. Technically, nws yog ib lub cev geologic uas txiav hla: a) tiaj tus phab ntsa pob zeb, xws li txaj. Nyob rau Isle of Arran, piv txwv li, muaj ntau pua lub igneous dykes ua rau lub sij hawm dyke swarm
Kev kho cua sov tua cov kab mob thiab ua rau lawv lo rau hauv iav kom lawv tsis tuaj yeem yaug tawm. Inheat-kho yuav ua li cas yog tias siv ntau dhau lawm? Nws yuav ua rau lub cev puas tsuaj
Bohr tau qhia lub tswv yim hloov pauv uas cov hluav taws xob 'dhia' ntawm qib zog (orbits) hauv quantum zam, uas yog, tsis tau muaj nyob rau hauv ib lub xeev. Bohr txoj kev xav hais tias electrons muaj nyob rau hauv lub orbits nyob ib ncig ntawm lub nucleus yog tus yuam sij rau lub sij hawm repetition ntawm cov khoom ntawm lub ntsiab
Ammonium phosphate yog siv los ua cov khoom xyaw hauv qee cov chiv ua cov khoom siv nitrogen siab. Nws kuj yog siv los ua cov nplaim hluav taws xob hauv cov khoom siv thermoplastic
Tert-butoxide tuaj yeem siv los tsim cov "tsawg hloov" alkenes hauv kev tshem tawm cov tshuaj tiv thaiv (E2, tshwj xeeb). Feem ntau, kev tshem tawm cov tshuaj tiv thaiv nyiam cov "ntau hloov" alkene - uas yog, Zaitsev cov khoom
Yog tias koj tuaj yeem pom cov hlau nplaum muaj zog heev, rov rub nws hla koj cov hlau nplaum uas tsis muaj zog. Cov hlau nplaum muaj zog yuav rov kho cov hlau nplaum hauv cov hlau nplaum tsis muaj zog [qhov chaw: Luminaltech]. Magnet stacking Ib txoj hauv kev ua kom cov hlau nplaum tsis muaj zog yog los ntawm kev sib tsoo ntau dua ua ke
Txawm hais tias loj hlob hauv nws qhov chaw nyob lossis ua tsob ntoo ornamental nyob rau lwm qhov, Norway spruce tsis tshua muaj tshaj li 220 xyoo, raws li Muhlenberg College
Tsis ntev los no thiab txuas ntxiv mus tshaj tawm txoj moo zoo rau Mars tau qhia tias Lub Ntiaj Teb Liab yuav muaj zog ntau dua li kev xav yav dhau los. Volcanoes thiab yaig los ntawm cov dej ntws tau zoo li tus nto. Thiab cov pov thawj tau loj hlob tias fluvial thiab tej zaum cov txheej txheem volcanic tau ua haujlwm nyob rau yav dhau los tsis ntev los no
Thiab cov qauv rau kev hloov pauv ncaj qha yog y = kx, qhov twg k sawv cev rau qhov hloov pauv tsis tu ncua. Cov tub ntxhais kawm kuj kawm tau hais tias cov qauv ntawm kev hloov pauv ncaj qha, y = kx, yog ib txoj kab ua haujlwm, qhov nqes hav yog sib npaug rau k, thiab y-intercept yog sib npaug rau 0
Teb thiab piav qhia: Qhov thib ob theem ntawm photosynthesis suav nrog cov pa roj carbon fixation thiab hu ua qhov tsaus ntuj, lossis Calvin voj voog. Photosynthesis pib nrog thawj theem, hu ua lub teeb pom kev zoo. Ntawm no, lub zog los ntawm tshav ntuj raug sau thiab hloov mus rau hauv tshuaj lom neeg lub zog hauv daim ntawv ntawm NADPH thiab ATP
Lub suab tuaj yeem taug kev ntawm kwv yees li 6000 metresper thib ob hauv qee cov khib nyiab thiab ntawm ib feem peb ntawm qhov ceev hauv dej. Qhov no yog vim hais tias cov molecules ntawm cov khib nyiab tau ntim ntau dua ua ke dua li hauv cov kua thiab cov dej hauv cov kua yog ntim nruj dua li cov pa roj
Meristem Zones Lub apical meristem, tseem hu ua "loj hlob tip," yog ib qho tsis txawv meristematic cov ntaub so ntswg pom nyob rau hauv buds thiab loj hlob cov lus qhia ntawm cov hauv paus hniav nyob rau hauv cov nroj tsuag. Nws lub luag haujlwm tseem ceeb yog ua kom muaj kev loj hlob ntawm cov hlwb tshiab hauv cov tub ntxhais hluas seedlings ntawm cov lus qhia ntawm cov hauv paus hniav thiab tua thiab tsim buds
Beryllium difluoride. Beryllium fluoride (BeF2)
Cov qauv niaj hnub no kuj feem ntau hu ua electron cloud model. Qhov ntawd yog vim hais tias txhua lub orbital nyob ib ncig ntawm lub nucleus ntawm lub atom zoo ib yam li cov huab fuzzy nyob ib ncig ntawm lub nucleus, zoo li cov uas pom hauv daim duab hauv qab no rau lub helium atom. Qhov chaw ntom ntom ntawm huab cua yog qhov chaw uas cov hluav taws xob muaj qhov zoo tshaj plaws
R = 8/π (ft.) Yog li ntawd, lub vojvoog ntawm lub voj voog thaum nws ncig yog 16 ko taw yog r ≈ 2.54648 ft. C = 2 (3.14159) (2.54648) ft
Ob lub kaum sab xis yog Complementary thaum lawv ntxiv txog 90 degrees (ib lub kaum sab xis). Lawv tsis tas yuav nyob ib sab ntawm ib leeg, tsuav yog tag nrho yog 90 degrees. 60 ° thiab 30 ° yog cov ces kaum sib ntxiv
Xyoo 1986 yog thaum DNA tau siv thawj zaug hauv kev tshawb nrhiav kev ua phem los ntawm Dr. Jeffreys. 1986. Kev tshawb nrhiav tau siv cov ntiv tes ntiv tes rau hauv ib rooj plaub ntawm ob qhov kev ua phem thiab tua neeg uas tau tshwm sim hauv xyoo 1983 thiab 1986
Cov ntawv sau rau 'tus' txhais tau tias ntawm cov txheej txheem muaj txiaj ntsig suav nrog macron sau lossis. Qhov kev cia siab tus nqi sau tseg. yog qee zaum kuj siv. Qhov nruab nrab ntawm ib daim ntawv teev cov ntaub ntawv (piv txwv li, tus qauv txhais tau tias) yog siv raws li Mean [list]. Feem ntau, qhov txhais tau tias yog homogeneous muaj nuj nqi uas muaj cov cuab yeej uas txhais tau tias ntawm ib pawg ntawm cov lej txaus siab
Tus naj npawb ntawm mitochondria rau ib lub xov tooj sib txawv; Piv txwv li, nyob rau hauv tib neeg, erythrocytes (cov qe ntshav liab) tsis muaj mitochondria, thaum lub siab hlwb thiab cov leeg hlwb yuav muaj ntau pua lossis ntau txhiab. Tsuas yog eukaryotic kab mob uas paub tias tsis muaj mitochondria yog hom oxymonad Monocercomonoides
Cov ntoo loj tshaj plaws hauv lub ntiaj teb yog ib qho loj heev sequoia (Sequoiadendron giganteum) hauv California's Sequoia National Park. Hu ua General Sherman, tsob ntoo yog li 52,500 cubic feet (1,487 cubic meters) hauv ntim
Hom Microscope yog siv los saib Bronze atoms? Electron Microscope
Lub teeb yog cov nroj tsuag 'tsuas yog qhov chaw ntawm lub zog, yog li lawv nyob ntawm lub teeb nkaus xwb. Tsis zoo li tib neeg thiab tsiaj txhu uas tau txais lub zog los ntawm carbohydrates, protein thiab rog, cov nroj tsuag tsim cov tshuaj no siv lub zog los ntawm lightand los ntawm carbon dioxide hauv huab cua
Lub spinning ntawm lub ntiaj teb yog hu ua rotation. Nws yuav siv lub ntiaj teb los ntawm 24 teev, lossis ib hnub, ua kom tiav ib qho kev sib hloov. Nyob rau tib lub sijhawm, lub ntiaj teb tab tom txav ntawm lub hnub. Qhov no yog hu ua kiv puag ncig
Ib yam khoom zoo sib xws sheathed nrog hlau uas tsis yog tooj liab yog hu ua ntxhia insulated hlau sheathed (MIMS) cable
Dab tsi yog qee qhov kev siv ntawm nucleic acid technology? Kev siv tshuaj kho mob - ua cov tshuaj insulin, los yog pab nrog cov kab mob qog nqaij hlav, lossis ua yeeb yam raws li cov tshuaj kho mob cancer. Forensics tseem siv qhov no los txheeb xyuas DNA ntawm tus neeg raug liam, (ntiv tes), lossis kuaj txiv neej, thiab lwm yam
Ntawm Lub Chaw Shuttle thiab International SpaceStation (ISS), astronauts tau rov qab mus rau "kub-fashioned" txoj kev da dej hauv qhov chaw. Ntawm ISS, astronauts tsis da dej tab sis siv cov kua xab npum, dej, thiab tshuaj zawv plaub hau
Ib lub mantle (los ntawm qub Fabkis mantel, los ntawm mantellum, lo lus Latin rau lub tsho tiv no) yog ib hom khaub ncaws xoob feem ntau hnav hauv cov khaub ncaws sab hauv los ua haujlwm tib lub hom phiaj xws li cov tsho loj. Piv txwv li, lub dolman, ib tug poj niam lub caij ntuj sov lub caij ntuj sov xyoo pua 19th lub tsho nrog ib nrab lub tes tsho feem ntau piav raws li ib tug mantle
Cov khoom dot ua tiav cov khoom nram qab no yog tias a, b, thiab c yog cov vectors tiag tiag thiab r yog scalar. Commutative: uas ua raws li lub ntsiab lus (θ yog lub kaum sab xis ntawm a thiab b): Distributive tshaj vector ntxiv: Bilinear: Scalar multiplication:
Nyob rau hauv lub hnub ci physics, ib tug spicule yog ib tug dynamic dav hlau ntawm txog 500 km txoj kab uas hla nyob rau hauv lub chromosphere ntawm lub hnub. Nws nce mus txog 20 km / s los ntawm photosphere. Ib thaj chaw tsaus ntawm cov pa roj rau ntawm lub hnub qhov chaw uas txias dua li cov pa roj ib puag ncig
Foliated metamorphic pob zeb xws li gneiss, phyllite, schist, thiab slate muaj ib txheej txheej los yog banded zoo li uas yog tsim los ntawm raug tshav kub thiab qhia siab. Non-foliated metamorphic pob zeb xws li hornfels, marble, quartzite, thiab novaculite tsis muaj txheej txheej lossis banded zoo li
Vanilla yog muab los ntawm cov noob ntawm lub teb chaws sov orchid, thiab cov txuj lom xws li cinnamon, turmeric, allspice, Ginger thiab cloves originated nyob rau hauv lub tropics. Txiv hmab txiv ntoo, zaub, nplej thiab txiv ntoo xws li mov, taro, txiv maj phaub, yam, avocado, pineapple, guava, mango, papaya, breadfruit thiab jackfruit kuj hail los ntawm cheeb tsam chaw kub thiab muaj xyoob ntoo
Winsome ib feem ntawm kev hais lus: adjective txhais: txaus nyiam lossis ntxim nyiam; yeej. Tus me ntxhais ntxim nyiam tus thawj coj ua yeeb yam nrog nws lub ntsej muag zoo nkauj thiab ntxim nyiam tiag tiag. synonyms: charming, engaging, noj, yeej cov lus zoo sib xws: adorable, alluring, txaus siab, txaus nyiam, disarming, graceful
Qhov twg yog Inorganic Chemistry siv? Inorganic compounds yog siv los ua catalysts, pigments, coatings, surfactants, tshuaj, fuels, thiab lwm yam. Lawv feem ntau muaj cov ntsiab lus melting siab thiab tshwj xeeb siab lossis qis hluav taws xob conductivity, uas ua rau lawv muaj txiaj ntsig rau cov hom phiaj tshwj xeeb