Function notation yog ib txoj hauv kev los sau cov haujlwm uas yooj yim nyeem thiab nkag siab. Kev ua haujlwm muaj qhov sib txawv thiab muaj kev ywj pheej, thiab thaum peb siv cov cim kev ua haujlwm, qhov kev hloov pauv ywj pheej feem ntau yog x, thiab qhov sib txawv ntawm qhov sib txawv yog F (x). Function notation yog ib txoj kev sib txawv ntawm kev sau ntawv kev sib raug zoo, ok
Nws yog qhov zoo tshaj plaws pob tshab, nqus 2.3 feem pua ntawm lub teeb uas tsaws rau ntawm nws, tab sis yog tias koj muaj ib daim ntawv dawb huv los muab piv rau, koj tuaj yeem pom tias nws nyob ntawd.' Qhov ntawd txhais tau tias koj tuaj yeem pom ib txheej ntawm atoms nrog koj lub qhov muag liab qab, yog tias lawv yog graphene
Rau feem ntau pom cov metalloids yog boron, silicon, germanium, arsenic, antimony, thiab tellurium. Tsib lub ntsiab lus tsis tshua muaj kev faib tawm: carbon, aluminium, selenium, polonium, thiab astatin
Ib pawg loj ntawm cov kab uas muaj nyob rau hauv suborder Caelifera, grasshoppers yog herbivorous, zom kab uas yuav ua rau muaj kev puas tsuaj rau cov nroj tsuag, tshwj xeeb tshaj yog rau cereal nplej thiab zaub. Feem ntau, cov nyom nyom yog qhov teeb meem loj rau cov neeg ua liaj ua teb nrog rau kev ntxhov siab loj rau cov neeg ua teb hauv tsev
René Descartes tau tsim analytical geometry thiab qhia kev tsis ntseeg raws li qhov tseem ceeb ntawm txoj kev tshawb fawb. Nws raug suav hais tias yog ib tus kws tshaj lij philosophers hauv keeb kwm. Nws analytical geometry yog ib qho kev xav zoo kawg nkaus, txuas rau yav dhau los cais teb ntawm geometry thiab algebra
Cov kauj ruam Snap cov nplaum nplaum kom koj tuaj yeem qhib cov tshuaj tiv thaiv uas xav tau rau cov nplaum kom ci. Sau lub lauj kaub nrog dej sov thiab boil. Muab cov nplaum nplaum rau hauv dej thiab cia nws boil rau li ib feeb. Tshem cov glow sticks los ntawm cov dej siv cov txhuam. Mus rau hauv chav tsaus ntuj
Spatter cones yog ib qho tseem ceeb ntawm volcanic hom landforms. Lawv yog tsim los ntawm lava uas tau tawm los ntawm lub qhov cua. Cov spatter cones yog ib qho yooj yim kom paub qhov txawv tshwj xeeb tshaj yog thaum tawg. Tsis zoo li qee lub roob hluav taws uas tsim cov lava ntws thaum lub sijhawm tawg, qhov tawg ntawm cov pob zeb tawg zoo ib yam li tawg
Micropipettes yog cov cuab yeej precision uas tsim los kom raug thiab meej hloov cov ntim hauv microliter ntau. Koj tuaj yeem siv microliters lossis milliliters raws li cov khoom ntim hauv koj phau ntawv kuaj mob thiab cov ntawv qhia txog kev kuaj mob, tab sis yuav tsum ceev faj ib txwm hais txog chav ntim uas koj siv
Txhawm rau tsim kom muaj qhov loj me nrog qhov ntsuas qhov ntsuas ntawm '2'': Kos cov kab ncaj nraim txuas txhua qhov vertex mus rau qhov chaw ntawm dilation. Siv lub compass los nrhiav cov ntsiab lus uas yog ob npaug ntawm qhov kev ncua deb ntawm qhov nruab nrab ntawm dilation li qhov qub vertices. Txuas cov vertices tshiab los tsim cov duab dilated
Poietic. lo lus tsim lub ntsiab lus 'ua, tsim,' los ntawm Latinized daim ntawv ntawm Greek poietikos 'muaj peev xwm ua, muaj tswv yim, tsim tau,' los ntawm poiein 'ua, tsim' (saib kws sau paj lug)
Yog vim li cas nws hu ua 'planetary qauv' yog tias cov electrons txav ib ncig ntawm lub nucleus zoo ib yam li cov ntiaj chaw txav nyob ib ncig ntawm lub hnub (tshwj tsis yog tias cov ntiaj chaw nyob ze lub hnub los ntawm lub ntiajteb txawj nqus, whereas cov electrons nyob ze ntawm lub nucleus los ntawm ib yam dab tsi hu ua. lub zog Coulomb)
Ib tug arête yog ib tug nyias, crest ntawm pob zeb sab laug tom qab ob tug glaciers uas nyob ib sab tau hnav ib tug ntxhab ridge rau hauv lub pob zeb. Lub horn tshwm sim thaum glaciers eroded peb los yog ntau tshaj arêtes, feem ntau tsim ib tug ntse-edged ncov. Cirques yog concave, ncig bass carved los ntawm lub hauv paus ntawm glacier raws li nws erodes toj roob hauv pes
Ib tug hybrid composite yog ib tug ua ke ntawm hluavtaws thiab ntuj fibers los yog ntau tshaj ob yam khoom sib txawv nyob rau hauv lub fiber reinforcement ntawm ib tug composite. Los ntawm: Kev Saib Xyuas Kev Noj Qab Haus Huv ntawm Biocomposites, Fiber-Reinforced Composites thiab Hybrid Composites, 2019
Lub hli Galilean (los yog Galilean satellites) yog plaub lub hli loj tshaj plaws ntawm Jupiter - Io, Europa, Ganymede, thiab Callisto
Hauv North America ntsuab slate los ntawm Vermont, New York thiab Newfoundland. Cov ntxoov ntsuab yuav txawv nyob ntawm qhov chaw txua txiag zeb thiab cheeb tsam. Cov xim / ntxoov ntxoo kuj tseem tuaj yeem hloov pauv raws li cov neeg tsim khoom ntsib cov xim sib txawv hauv cov chaw txua txiag zeb
Muaj ob theem tseem ceeb hauv lub voj voog ntawm tes. Thawj theem yog interphase thaum lub cell loj hlob thiab replicates nws DNA. Qhov thib ob yog theem mitotic (M-Phase) thaum lub sijhawm cell faib thiab hloov ib daim qauv ntawm nws cov DNA mus rau ob lub hlwb zoo tib yam
1 Teb. Hnub yog 4.6 billion xyoo
Nyob rau hauv voltaic cell, oxidation thiab txo cov hlau tshwm sim ntawm cov electrodes. Muaj ob lub electrodes nyob rau hauv ib tug voltaic cell, ib tug nyob rau hauv ib nrab-cell. Lub cathode yog qhov chaw txo qis thiab oxidation tshwm sim ntawm lub anode
Nws tau sib cav tias tus qauv plum pudding tsis raug. Kev faib tawm symmetrical yuav tso cai rau tag nrho cov α hais kom dhau los ntawm tsis muaj deflection. Rutherford tau hais tias lub atom feem ntau yog qhov chaw khoob. Cov electrons revolve nyob rau hauv lub voj voog orbits txog ib tug loj zoo nqi ntawm qhov chaw
Ib Txoj Kev ANOVA Post Hoc Tests. Thaum koj tau txiav txim siab tias qhov sib txawv muaj nyob ntawm cov txhais tau tias, tom qab hoc ntau yam kev xeem thiab kev sib piv ntau qhov sib piv tuaj yeem txiav txim siab uas txhais tau tias txawv. Siv t kev xeem los ua txhua qhov kev sib piv sib piv ntawm pab pawg txhais tau tias. Tsis muaj kev hloov kho rau tus nqi yuam kev rau ntau qhov kev sib piv
Lub Big Bang tau tshwm sim ntev npaum li cas? Kwv yees li 14 billion xyoo dhau los. Qhov ntawd 14 billion xyoo dhau los lub ntiaj teb tawg mus ua los ntawm qhov tsis paub txog lub cosmic
Evolutionary Fitness yog qhov zoo npaum li cas ib hom muaj peev xwm rov tsim dua hauv nws ib puag ncig. Nyob rau hauv lawv ib puag ncig lawv tau zoo heev thaum lawv noj, rov tsim dua, thiab txuas ntxiv rau lawv hom. Tab sis dab tsi feem ntau nres evolutionary zog, thiab koj tus tsiaj T. rex, yog ib qho kev hloov ntawm ib puag ncig
Membrane channels yog ib tsev neeg ntawm cov roj ntsha membrane uas tso cai rau kev txav mus los ntawm ions (ion channels), dej (aquaporins) lossis lwm cov kua dej kom dhau los ntawm daim nyias nyias los ntawm lawv cov electrochemical gradient. Lawv tau kawm siv ntau yam kev sim channelomics thiab lej
Raws li US Forest Service, xiav spruce ntoo tsim ntiav cov hauv paus hniav tom qab cov noob germinate, tej zaum tsuas yog 2 mus rau 3 nti tob
Asteroids thiab comets muaj ob peb yam sib xws. Lawv yog ob lub cev saum ntuj ceeb tsheej orbiting peb lub hnub, thiab lawv ob leeg tuaj yeem muaj qhov txawv txav txawv txav, qee zaum mus deb ntawm lub ntiaj teb lossis lwm lub ntiaj teb. Thaum lub hnub qub muaj cov hlau thiab cov khoom siv pob zeb, cov comets yog ua los ntawm cov dej khov, plua plav, cov khoom siv pob zeb thiab cov organic compounds
HABITAT. Hiav txwv urchins nyob hauv dej hiav txwv nkaus xwb thiab tsis tuaj yeem muaj sia nyob hauv dej tshiab. Lawv pom los ntawm intertidal mus rau hauv dej hiav txwv tob. Cov hom uas peb yuav siv nyob rau hauv lub lab yog los ntawm lub intertidal los yog qhov ntiav subtidal
1 Teb. Tsib ceg loj ntawm chemistry yog cov organic, inorganic, analytical, lub cev, thiab biochemistry. Cov no faib ua ntau pawg sub-sab
Tus nqi: 1 cubic meter ib teev (m3 / h) ntawm tus nqi ntws. Sib npaug: 1,000.00 Litres perhours (L / h) hauv tus nqi ntws. Hloov ua lwm yam cubic meter perhours mus litres ib teev tus nqi nyob rau hauv tus nqi ntws unitsscale
Folded phaj qauv yog cov rooj sib txoos ntawm cov phaj tiaj tiaj, lossis cov slabs, inclined nyob rau hauv cov lus qhia sib txawv thiab koom nrog lawv cov npoo ntev. Nyob rau hauv txoj kev no cov txheej txheem muaj peev xwm nqa cov loads yam tsis tas yuav tsum tau ntxiv cov kab hluav taws xob txhawb nqa nrog kev sib koom ua ke
Fusion tsis yog tshuaj lom neeg. Nws yog cov tshuaj tiv thaiv nuclear. Hauv tshuaj tiv thaiv nuclei tsis hloov
Ib txoj kab infinite yog ib txoj kab uas qhov ntev ntawm cov kab sib kis tsis kawg. Ib txoj kab finite, uas tau txiav tawm hauv nws cov yam ntxwv impedance, yog hu ua infinite kab. Yog li ntawd, rau ib txoj kab infinite, input impedance yog sib npaug rau cov yam ntxwv impedance
Lub zog hloov pauv hauv cov tshuaj tiv thaiv tshuaj yog vim qhov sib txawv ntawm cov khoom siv hluav taws xob khaws cia ntawm cov khoom thiab cov reactants. Qhov no khaws cia tshuaj zog, los yog cov ntsiab lus kub, ntawm lub cev yog hu ua nws enthalpy
Txhua pob zeb muaj nws tus kheej cov khoom vim hais tias tag nrho cov minerals yog cov tebchaw. Ib qho ntxhia yeej ib txwm muaj qee cov ntsiab lus hauv qhov tseeb proportions. Txhua lub tebchaw muaj nws cov khoom uas feem ntau txawv ntawm cov khoom ntawm cov khoom uas tsim nws
Nrog rau cov kev xav no hais txog peb qhov tsis paub tseeb hauv kev ntsuas lub hnub qub neutron, qhov nruab nrab lub hnub qub neutron muaj qhov ntom ntom ntawm 5 x 1017 kg / m3 ntawm qhov nruab nrab. Qhov no tsis yog ib yam nkaus! Cov qauv kwv yees tias qhov ceev yog tsawg li 109 kg / m3 ntawm qhov chaw thiab siab li 8 x 1017 kg / m3 ntawm qhov tseem ceeb
Kev thauj cov proteins sib xyaw ua ke rau hauv cov cell membrane feem ntau xaiv ntau yam txog cov tshuaj uas lawv tso cai hla. Qee qhov ntawm cov proteins no tuaj yeem txav cov ntaub ntawv hla ntawm daim nyias nyias tsuas yog thaum pab los ntawm cov concentration gradient, ib hom kev thauj mus los-pab hu ua kev yooj yim diffusion
Endoplasmic Reticulum yog lub network ntawm cov kwj dej membranous uas muaj cov kua dej. Lawv nqa cov khoom thoob plaws hauv lub cell. ER yog 'kev thauj mus los' ntawm lub xov tooj ntawm tes
Hauv physiology, isotropic bands (zoo dua lub npe hu ua I bands) yog cov sib zog ntawm cov leeg nqaij pob txha (aka nqaij fibers). Isotropic bands tsuas muaj actin-muaj nyias filaments. Cov bands tsaus yog hu ua anisotropic bands (A bands)
Steno txoj cai ntawm stratigraphy piav txog cov qauv hauv cov pob zeb txheej. Plaub txoj cai lij choj yog txoj cai ntawm superposition, txoj cai ntawm thawj kab rov tav, txoj cai hla kev sib raug zoo, thiab txoj cai ntawm kev txuas ntxiv mus
Nws yog qhov yooj yim los faib cov txheej txheem photosynthetic hauv cov nroj tsuag ua plaub theem, txhua qhov tshwm sim hauv thaj tsam ntawm chloroplast: (1) kev nqus ntawm lub teeb, (2) kev thauj hluav taws xob ua rau txo qis ntawm NADP + rau NADPH, (3) tiam ntawm ATP, thiab (4) hloov pauv ntawm CO2 rau hauv carbohydrates (carbon fixation)
Kev lag luam roj hmab: Latex yog cov tshuaj colloidal ntawm cov roj hmab uas tsis zoo. Los ntawm latex, roj hmab tuaj yeem tau los ntawm coagulation