Ib qho parameter yog tus lej piav qhia txog cov pejxeem, xws li feem pua lossis feem. Ib qho kev txheeb cais yog ib tus lej uas tuaj yeem suav los ntawm cov ntaub ntawv pom hauv cov qauv random yam tsis tas yuav tsum tau siv cov tsis paub tsis meej, xws li cov qauv piv txwv
Topography Sab Hauv Plains yog ib thaj chaw loj, loj ntawm lub tiaj. Feem ntau qhov chaw muaj xws li maj mam dov toj, thiab cov hav dej tob. Hauv Tebchaws Meskas, Sab Hauv Plains khiav ntawm Appalachians nyob rau sab hnub tuaj, thiab Rocky Roob sab hnub poob. Hauv Canada, Cov Plains nyob nruab nrab ntawm Canadian Shield thiab Rockies
Coacerv ua. Coacervate droplets tsim los ntawm kev sib cuam tshuam ntawm gelatin thiab cov pos hniav arabic. A. I.Yog hais tias cov tee dej uas muaj cov colloid nplua nuj nyob rau hauv organiccompounds thiab nyob ib puag ncig los ntawm cov tawv nqaij nruj ntawm cov dej moleculesthen lawv hu ua coacervates
Thawj kauj ruam ntawm kev sau ntawv yog hu ua pre-initiation. RNA polymerase thiab cofactors (generaltranscription yam) khi rau DNA thiab unwind nws, tsim ib tug pib npuas. Qhov chaw no muab RNA polymerase nkag mus rau asingle strand ntawm DNA molecule
Kev nrawm yog lub cev vector kom muaj nuj nqis; ob qho tib si loj thiab kev taw qhia yog xav tau los txhais nws. Yog hais tias muaj kev hloov nyob rau hauv ceev, kev taw qhia los yog ob qho tib si, ces cov khoom muaj ib tug hloov ceev thiab hais tias yuav undergoing acceleration
Yog li, xim thiab kub hloov pauv yog lub cev hloov pauv, thaum oxidation thiab hydrolysis yog tshuaj hloov pauv. Cov ntxhiab tsw yog tsim thaum cov tshuaj hloov muaj pes tsawg leeg. Li no, tsw yog ib qho tshuaj hloov pauv
Kev koom tes rau lej Diophantus tau sau ntau phau ntawv tab sis hmoov tsis tsuas yog ob peb hnub dhau los. Nws tau ua haujlwm ntau hauv algebra, daws qhov sib npaug ntawm cov lej. Qee qhov ntawm nws qhov sib npaug ua rau ntau tshaj ib qho lus teb tau. Tam sim no muaj hu ua 'Diophantine' lossis 'Indeterminate'
New York City Geology. Lub nroog New York feem ntau yog tsim los ntawm sediments uas tau metamorphosed thaum lub sij hawm Taconic thiab Acadian orogenies kwv yees li 500 - 400 lab xyoo dhau los. New York City nyob hauv North American phaj thiab thaj tsam ze tshaj plaws yog ntau txhiab mais deb ntawm nruab nrab ntawm Atlantic
C 6 H 12 O 6 + 6 O 2 --> 6 CO 2 + 6 H 2 O + ATP
Lus Txhais: Farad Lub farad (cim F) yog SI unit ntawm capacitance (npe tom qab Michael Faraday). Lub capacitor muaj tus nqi ntawm ib qho farad thaum ib coulomb ntawm tus nqi ua rau muaj qhov sib txawv ntawm ib lub volt hla nws. F), nanofarads (nF), lossis picofarads (pF)
Kev hloov pauv yog tus txheej txheem uas cov noob caj noob ces DNA tau theej (tshaj tawm) los ua RNA molecule. RNA polymerase siv ib qho ntawm DNA strands (cov qauv strand) ua tus qauv los ua ib qho tshiab, ntxiv RNA molecule. Transcription xaus rau hauv tus txheej txheem hu ua termination
Txij li thaum lub siab yog nyob ntawm qhov kub thiab txias, koj yuav tsum tau ua qhov no rau hauv qhov sib npaug los ntawm kev sib npaug ntawm qhov kub thiab txias hauv degrees Kelvin, uas yog sib npaug ntawm qhov ntsuas kub hauv degrees Celsius ntxiv rau 273. Cov mis rau qhov muaj peev xwm (ψs) yog: ψs = iCRT
Justification: Addition Property of Equality (Qhov ntau x tau ntxiv rau txhua sab ntawm qhov sib npaug.) Justification: Subtraction Property of Equality (Ob tug raug rho tawm ntawm txhua sab ntawm qhov sib npaug.) Kev txiav txim siab: Division Property of Equality (Txhua sab ntawm qhov sib npaug. tau muab faib los ntawm plaub.)
Qhov hnyav sib npaug tuaj yeem raug xam los ntawm molarmasses yog tias cov tshuaj lom neeg muaj txiaj ntsig zoo: sulfuric acid muaj cov molar loj ntawm 98.078(5)gmol− 1, thiab muab ob molesofhydrogen ions ib mole ntawm sulfuric acid, soitsequivalent hnyav yog 98.078(5)gmol. 1/2eqmol−1 = 49.039(3)geq−1
Hauv photosynthesis, oxygen, carbon dioxide, ATP, thiab NADPH yog reactants. GA3P thiab dej yog cov khoom. Inphotosynthesis, chlorophyll, dej, thiab carbon dioxide yog reactants. Hauv photosynthesis, dej, carbon dioxide, ATP, thiab NADPH yog reactants
Cov ntsiab lus hauv cov txheej no (22) Plasma Membrane. Nws yog tsim los ntawm phospholipid bilayer, nws tiv thaiv / kaw / thiab tswj kev thauj mus los ntawm cov ntaub ntawv hauv thiab tawm ntawm tes
Tus M ua ntej tus lej sawv cev rau metric. Tus lej tom ntej yog qhov loj me. Piv txwv li, M8 yog ametric ntsia hlau thiab muaj txoj kab uas hla ntawm 8 hli
Cov dej softeners tuaj yeem thiab tshem tawm cov hlau me me. Txawm li cas los xij, tus qauv softener tsis yog tsim los kho cov hlau ntau hauv koj cov dej. Piv txwv li, cov tshuab dej softener Water-Right manufacturers tshem cov hlau nyob rau hauv ntau txog 1 ppm, los yog 1 mg / L
Cov ntaub ntawv pov thawj rau thaj av drift Wegener paub tias cov nroj tsuag fossil thiab tsiaj xws li mesosaurs, cov tsiaj reptiles dej tshiab pom tsuas yog South America thiab Africa thaum lub sijhawm Permian, tuaj yeem pom nyob rau ntau lub tebchaws. Nws kuj tau sib tw pob zeb ntawm ob sab ntawm Dej Hiav Txwv Atlantic zoo li cov duab dhos ua si
Micrococci tau raug cais tawm ntawm tib neeg cov tawv nqaij, tsiaj txhu thiab khoom noj siv mis, thiab npias. Lawv pom muaj nyob hauv ntau qhov chaw hauv ib puag ncig, suav nrog dej, hmoov av, thiab av. M. luteus ntawm tib neeg daim tawv nqaij hloov cov tebchaw hauv hws rau hauv cov tebchaw nrog cov ntxhiab tsw tsw qab
Pauli Exclusion Principle hais tias, hauv anatom lossis molecule, tsis muaj ob lub tshuab hluav taws xob tuaj yeem muaj tib tus lej plaub hauv quantum. Raws li lub orbital tuaj yeem muaj qhov siab tshaj plaws ntawm ob lub electrons, ob lub electrons yuav tsum muaj opposingspins
Txoj kev yooj yim tshaj plaws los nrhiav Cov Phooj Ywg Ua ntej, qhov no yog txoj hauv kev yooj yim tshaj plaws los nrhiav cov phooj ywg ploj lossis cov phooj ywg ploj lawm. Yog tias koj nkag mus rau hauv cov ntawv qhia zaub mov thaum koj nyob ntawm qhov kev sib hais haum, mus rau Cov Chaw> Lwm Yam, mus ob qho tib si, thiab koj yuav hla lub tswb
Kev ntsuas ntsuas yog siv los txheeb xyuas thiab / lossis ntsuas qhov sib txawv. Zaj lus qhia no piav qhia txog plaub qhov ntsuas qhov ntsuas uas feem ntau siv hauv kev txheeb xyuas kev txheeb xyuas: nominal, ordinal, interval, thiab ratio scales
Cov yam ntxwv ntawm chav kawm tsis yog tshwj xeeb rau ib qho khoom tshwj xeeb tab sis tso cov pov thawj me ntsis rau hauv ib pawg ntawm cov khoom. Cov yam ntxwv ntawm tus kheej nqaim cov pov thawj mus rau ib qho, tus kheej qhov chaw. Hom phom phom uas tus neeg raug tsim txom raug tua yog cov yam ntxwv ntawm chav kawm
Cov tshuaj tiv thaiv pem hauv ntej muaj ΔH>0. Qhov no txhais tau tias cov tshuaj tiv thaiv pem hauv ntej yog endothermic. Yog li ntawd, cov tshuaj tiv thaiv yuav tsum tau beexothermic
Cov qauv ntawm cov khoom hloov pauv thaum koj mus hla lub sijhawm. Thawj peb yog hlau, silicon yog loj covalent, thiab tus so yog cov molecules yooj yim. Sodium, magnesium thiab aluminium tag nrho muaj cov qauv hlau. Nyob rau hauv magnesium, ob qho tib si ntawm nws sab nrauv electrons koom nrog, thiab nyob rau hauv txhuas tag nrho peb
Cov cuab yeej tiv thaiv (PPE) suav nrog tsom iav kev nyab xeeb, tsom iav, lub ntsej muag tiv thaiv, hnab looj tes, lub tsho tiv no, aprons, pob ntseg ntsaws, thiab lub tshuab ua pa. Cov cuab yeej tiv thaiv tus kheej yog ua tib zoo xaiv los xyuas kom meej tias nws sib haum nrog cov tshuaj thiab cov txheej txheem siv
Kev hloov pauv yog ib qho txuj ci tshwj xeeb uas pab tsiaj kom ciaj sia thiab ua txhua yam nws yuav tsum ua. Kev hloov pauv tuaj yeem yog kev hloov pauv ntawm lub cev rau tsiaj lub cev lossis kev hloov pauv tus cwj pwm ntawm tus kheej tsiaj lossis tib neeg ua li cas hauv lawv lub neej txhua hnub
P3: Kev Ua Haujlwm ntawm Cov Hlau. Lub reactivity series yog ib tug series ntawm hlau, nyob rau hauv kev txiav txim ntawm reactivity los ntawm siab tshaj mus rau qis tshaj. Nws yog siv los txiav txim siab cov khoom ntawm ib qho kev hloov pauv hloov, uas yog hlau A yuav hloov lwm cov hlau B hauv kev daws yog tias A siab dua hauv cov koob
Picea sitchensis - Sitka spruce. Pinus albicaulis - whitebark ntoo thuv. Pinus contorta - lodgepole ntoo thuv. Pinus monticola - Western dawb ntoo thuv. Pinus ponderosa - ntoo thuv ntoo. Pseudotsuga menziesii - Douglas fir. Tsuga heterophylla - western hemlock. Tsuga mertensiana - roob hemlock
Transcription thiab DNA replication ob qho tib si koom nrog ua cov ntawv luam ntawm DNA hauv ib lub xovtooj. Cov ntawv luam theej theej DNA rau hauv RNA, thaum rov ua dua ua lwm daim qauv ntawm DNA. Txawm hais tias DNA thiab RNA muaj qee yam tshuaj zoo sib xws, txhua lub molecule ua haujlwm sib txawv hauv cov kabmob muaj sia
Hydrocarbons yog cov molecules ntawm carbon hydrogen thiab oxygen uas muaj cov tshuaj lom neeg thiab lub cev sib txawv nyob ntawm cov qauv ntawm lawv cov kev sib txuas. Hydrocarbon gas kuj tseem hu ua cov pa roj carbon monoxide thiab tsim nyob rau hauv lub ntiaj teb lub crust los ntawm decomposing organic teeb meem
Kev piav qhia: thaum methane (natural gas) reacts nrog oxygen, qhov tshwm sim yog carbon di-oxide thiab dej, nrog rau cov cua sov, yog li ua rau exothermic cov tshuaj tiv thaiv
Xi sawv cev rau tus nqi ntawm qhov sib txawv X. Rau cov ntaub ntawv, x1 = 21, x2 = 42, thiab lwm yam. • Lub cim Σ ("capital sigma") qhia txog kev ua haujlwm summation
Lub twj tso kua mis sodium-potassium siv kev thauj mus los kom txav cov molecules los ntawm qhov siab mus rau qhov tsis tshua muaj siab. Lub twj tso kua mis sodium-potassium txav sodium ions tawm ntawm thiab potassium ions mus rau hauv lub cell. Lub twj tso kua mis no yog siv los ntawm ATP. Rau txhua ATP uas tawg, 3 sodium ions txav tawm thiab 2 potassium ions txav mus rau hauv
Zoo, qhov taw tes yog ib feem kaum ntawm ib gram. Ua ntej koj xav tau 1g tshuav nyiaj li cas yog li siv 1g qhov hnyav ib sab ntawm qhov koj hnyav. Koj muaj qhov taw tes siab lossis qis qis, yog li yog tias koj ntxiv kom txog thaum nws nyeem 1.1 nws yog qhov qis. Yog tias koj ntxiv kom txog thaum nws nyeem 1.2 ces tshem tawm qee qhov kom txog thaum nws nyeem 1.1 - nws qhov taw qhia siab
Lub sij hawm keeb kwm yog ib txoj hauv kev qhia txog cov hnub tseem ceeb ntawm keeb kwm, cov ntsiab lus, cov duab, thiab cov xwm txheej nyob rau hauv ib lub caij nyoog. Cov sijhawm keeb kwm yav dhau los tuaj yeem yog qhov dav lossis tshwj xeeb, thiab tuaj yeem npog ntau yam ntsiab lus. Ib lub sijhawm keeb kwm yog lub sijhawm tshwj xeeb ntawm lub sijhawm cais tag nrho vim muaj kev sib koom ua ke
Kev hloov pauv yog kev hloov pauv, lossis hloov caj ces, uas pab cov kab mob, xws li cov nroj tsuag lossis tsiaj, muaj sia nyob hauv ib puag ncig. Vim muaj txiaj ntsig zoo ntawm kev hloov pauv, nws tau dhau los ntawm ib tiam mus rau lwm tiam
Granite yog tsim los ntawm quartz thiab feldspar nrog me me ntawm mica, amphiboles, thiab lwm yam minerals. Cov ntxhia pob zeb no feem ntau muab granite liab, liab, grey, lossis xim dawb nrog cov pob zeb tsaus nti pom thoob plaws hauv pob zeb