Sab saum toj cov kav dej hauv av tsuas yog siv tau saum av. Nws yuav ua haujlwm yog tias teeb tsa hauv av, tab sis nws tsis yog tsim los rau cov qauv raug rau daim ntawv thov no
Lub Hnub Ci System tsis muaj lub ntiaj teb paub zoo, vim tias lub ntiaj teb yog lub ntiaj teb loj tshaj plaws nyob rau hauv Hnub Ci System, thiab tag nrho cov ntiaj chaw loj dua muaj tsawg kawg yog 14 npaug ntawm lub ntiaj teb thiab cov huab cua tuab uas tsis muaj pob zeb lossis dej ntws; uas yog, lawv yog cov roj loj lossis cov dej khov loj, tsis yog
Cov roob hauv roob hauv roob thiab Basins ntawm Texas yog ua los ntawm ntau tshaj 150 roob. Plateaus, phiab thiab suab puam ua rau thaj tsam lwm qhov chaw, uas suav nrog Big Bend National Park thiab Rio Grande
Enthalpy yog cov cuab yeej thermodynamic ntawm lub cev. Nws yog tus lej ntawm lub zog sab hauv ntxiv rau cov khoom ntawm lub siab thiab ntim ntawm qhov system. Nws qhia txog lub peev xwm los ua cov haujlwm tsis siv tshuab thiab lub peev xwm tshem tawm cov cua sov. Enthalpy yog denoted li H; specificenthalpy denoted li h
Qhov kev xav ntawm nebular yog qhov kev xav, ntawm cov kws tshawb fawb, uas hais tias cov ntiaj chaw tau tsim tawm ntawm huab cua ntawm cov khoom txuam nrog lub hnub hluas, uas maj mam tig. Nws qhia tias lub Hnub Ci System yog tsim los ntawm cov khoom siv nebulous
Tus neeg sawv cev oxidizing, los yog oxidant, nce electrons thiab txo qis hauv cov tshuaj tiv thaiv. Kuj tseem hu ua tus txais hluav taws xob, tus neeg sawv cev oxidizing feem ntau yog nyob rau hauv ib qho ntawm nws cov oxidation ntau dua vim tias nws yuav nce electrons thiab txo qis
Lub teeb pom kev zoo yog ib lub voj voog nrog tus ntoo khaub lig hauv nws. Nws tsim lub teeb thaum muaj qhov tam sim no dhau los ntawm nws
Tam sim no tus lej xov tooj rau cov rooj sib tham pib txij xyoo 1900; XVIII IBC tau tuav hauv Melbourne, Australia, 24–30 Lub Xya Hli 2011, thiab XIX IBC tau tuav hauv Shenzhen, Tuam Tshoj, 23–29 Lub Xya Hli 2017. Keeb Kwm. XI Xyoo 1969 Lub Nroog Seattle Lub Tebchaws United States Code Yog
Pacific Phaj tsiv mus rau sab qaum teb hnub poob ntawm 3 ntiv tes (8 cm) txhua xyoo, thiab North American Phaj yog mus rau sab qab teb ntawm 1 nti (2.3 cm) ib xyoos twg. Lub San Andreas Fault tau yug los txog 30 lab xyoo dhau los hauv California, thaum Pacific Phaj thiab North America phaj tau ntsib thawj zaug
Theorem Yog hais tias ob sab ntawm daim duab peb sab tsis sib haum, ces lub kaum sab xis loj yog opposite sab ntev. Theorem Yog hais tias ob lub kaum sab xis ntawm ib daim duab peb sab tsis sib haum, ces sab ntev yog opposite lub kaum sab xis loj
Qee qhov xwm txheej, cov gene recessive yog qhov qub thiab cov noob tseem ceeb yog qhov tsis zoo. Hauv cov xwm txheej zoo li no, cov noob tseem ceeb tuaj yeem thaiv kev ua haujlwm ntawm cov gene recessive nyob rau hauv qee txoj kev. Cov no yog cov piv txwv ntawm tag nrho dominance. Codominance yog thaum ob qho tib si proteins ua haujlwm sib txawv, txhua tus muaj lub zog tshwj xeeb
Nuclear pov tseg yog ib qho nyuaj tshaj plaws ntawm cov pov tseg rau kev tswj hwm vim tias nws muaj kev phom sij heev. Vim nws cov xov tooj cua thiab cov khoom muaj kev phom sij heev, cov khib nyiab nuclear yuav tsum tau ua tib zoo khaws cia lossis rov ua dua
Lub ntiajteb txawj nqus yog lub zog tseem ceeb heev. Txhua yam khoom nyob rau hauv qhov chaw exerts ib tug gravitational rub rau txhua lwm yam, thiab yog li lub ntiajteb txawj nqus influences txoj kev coj los ntawm txhua yam mus los ntawm qhov chaw. Nws yog cov kua nplaum uas tuav ua ke tag nrho cov galaxies. Nws khaws cov ntiaj chaw nyob rau hauv orbit
Lub zog ua kom muaj zog kuj tseem raug txhais tau tias yog lub zog tsawg kawg nkaus uas yuav tsum tau pib ua cov tshuaj tiv thaiv tshuaj. Lub zog ua kom muaj zog ntawm cov tshuaj tiv thaiv feem ntau yog qhia los ntawm thiab muab nyob rau hauv units ntawm kilojoules ib mole. Cov tshuaj tiv thaiv exothermic yog cov tshuaj tiv thaiv uas tso tawm lub zog ntawm lub teeb thiab kub
Lub xovtooj ntawm tes (los ntawm Latin cella, lub ntsiab lus 'chav me me') yog cov qauv tsim, kev ua haujlwm, thiab kev lom neeg ntawm txhua yam kabmob uas paub txog. Lub cell yog qhov tsawg tshaj plaws ntawm lub neej. Cells feem ntau hu ua 'tsev blocks ntawm lub neej'. Kev tshawb fawb ntawm cov hlwb hu ua cell biology, cellular biology, lossis cytology
Cov roj av ruaj khov heev, suav nrog helium, neon, argon, krypton, xenon thiab radon, yog tag nrho cov khoom tsis yog hlau. Cov ntsiab lus no tsim kev sib raug zoo nrog ib leeg los ntawm kev sib koom electrons los ua cov sib txuas
Quantum mottle yog hom hluav taws xob hluav taws xob cuam tshuam ncaj qha rau tus naj npawb ntawm x-ray photons tawm ntawm tus neeg mob thiab tsim cov duab hluav taws xob. Tsawg dua photons ncav cuag cov duab receptor yuav ua rau muaj kev hloov pauv tsis txaus ntseeg hauv cov duab ntom ntom, ua rau cov duab nrog cov grainy, lossis sandlike, zoo li
Kab rov tav tshaj tawm ntawm ib qhov projectile yog qhov tsis tu ncua (ib qho tsis hloov pauv ntawm tus nqi), Muaj qhov ntsug acceleration tshwm sim los ntawm lub ntiajteb txawj nqus; Nws tus nqi yog 9.8 m / s / s, nqes, ntsug tshaj tawm ntawm ib qhov projectile hloov los ntawm 9.8 m / s txhua thib ob, Kab rov tav ntawm ib qhov projectile yog ywj siab ntawm nws txoj kab ntsug
Cov hlwb hauv lub cev xws li cov leeg nqaij, cov nqaij tawv nqaij thiab lwm yam. Cov hlwb no muaj cov chromosomes tiav (46 hauv tib neeg), hu ua Diploid. Kev sib deev hlwb: Nws tseem hu ua gametes. Cov hlwb no muaj ib nrab ntawm cov chromosomes li lub cev hlwb, hu ua Haploid
Qhov tseem ceeb sib txawv, txawm li cas los xij, ntawm photosynthesis thiab kev ua pa yog qhov photosynthesis siv carbon dioxide thiab dej nyob rau hauv lub xub ntiag ntawm lub teeb los tsim cov piam thaj thiab oxygen, thaum ua pa siv oxygen thiab qabzib los ua kom lub zog ua haujlwm ntawm tes
Mosses thiab liverworts yog lumped ua ke asbryophytes, cov nroj tsuag tsis muaj tseeb vascular ntaub so ntswg, thiab sib koom ib tug xov tooj ntawm lwm yam primitive zoo. Lawv kuj tsis muaj qhov tseeb, cov hauv paus hniav, lossis nplooj, txawm tias lawv muaj cov hlwb uas ua cov haujlwm no
Muaj nuj nqi. Hauv nuclear polyadenylation, poly(A) tus Tsov tus tw yog ntxiv rau RNA thaum kawg ntawm kev sau ntawv. Ntawm mRNAs, poly(A) tus Tsov tus tw tiv thaiv mRNA molecule los ntawm enzymatic degradation nyob rau hauv lub cytoplasm thiab pab nyob rau hauv transcription termination, export ntawm mRNA los ntawm lub nucleus, thiab kev txhais lus
Nyob rau hauv volcanology, ib qho tawg tawg yog ib qho hluav taws kub tawg ntawm hom kev ua phem tshaj plaws. Xws li eruptions tshwm sim thaum muaj roj txaus tau yaj nyob rau hauv lub siab nyob rau hauv ib tug viscous magma xws li uas tshem tawm lava hnyav froths rau hauv volcanic tshauv thaum siab dheev txo qis ntawm lub qhov cua
Tom qab kuaj koj cov dej hauv pas dej, koj yuav tsum tau kho cov tshuaj lom neeg kom coj lawv mus rau hauv cov khoom siv hauv qab no: chlorine: 1-2 qhov chaw ib lab (ppm) Cyanuric acid: 40-80 ppm. pH: 7.2-7.8. Alkalinity: 80-120 ppm. Tag nrho cov yaj yaj: qis dua 5,000 ppm. Calcium hardness: 180-220 ppm
1 Teb. Cov lus yog li ntawd-cov lus. Suab paj nruag thiab cov lus hais yog suab tsis muaj zog uas tuaj yeem ua rau cov dej molecules vibrate. Txawm li cas los xij qhov no yuav tsis hloov 'zoo li' ntawm cov molecule, ib qho molecule uas yooj yim zoo nkauj (H2O)
Neeg xa xov liaison RNA (mRNA) yog RNA uas nqa cov ntaub ntawv los ntawm DNA mus rau ribosome, qhov chaw ntawm cov protein synthesis (txhais lus) hauv cell. Cov txheej txheem coding ntawm mRNA txiav txim siab cov amino acid ib ntus hauv cov protein uas tsim tawm
Koj tuaj yeem ntxiv cov pob zeb lava ua ntej lossis tom qab koj ntxiv cov cav. Siv cov pob zeb lava los ncuav rau ntawm lub hauv paus ntawm koj lub qhov cub thiab ib ncig ntawm koj lub lauj kaub kub. Qhov no tsis yog rau txheej saum toj ntawm txhua yam
Homo sapiens
'Conifer' yog ib lo lus arboricultural lub ntsiab lus, txhais tau tias, lub khob hliav qab (xws li lus Askiv li 'xa' thiab 'aquifer' kuj siv FER Latin hauv paus, lub ntsiab lus 'to dais'). Cov ntoo thiab tsob ntoo uas poob rau hauv pawg no rov tsim dua los ntawm kev tsim lub khob hliav qab es tsis yog lub paj ua lub thawv rau lawv cov noob
Cov ntaub ntawv tsis sib xws tsuas tuaj yeem nqa cov txiaj ntsig tshwj xeeb. Tej zaum yuav muaj tus lej tsis kawg ntawm cov txiaj ntsig, tab sis txhua qhov sib txawv thiab tsis muaj thaj tsam grey nyob nruab nrab. Cov ntaub ntawv tsis sib xws tuaj yeem yog cov lej - zoo li cov lej ntawm cov txiv apples - tab sis nws tuaj yeem ua categorical - xws li liab lossis xiav, txiv neej lossis poj niam, lossis zoo lossis phem
Lub voltaic cell yog ib qho hluav taws xob hluav taws xob uas siv tshuaj lom neeg los tsim hluav taws xob hluav taws xob. Qhov tseem ceeb ntawm voltaic cell: Lub anode yog ib qho electrode qhov twg oxidation tshwm sim. Cov oxidation thiab txo cov tshuaj tiv thaiv yog muab cais rau hauv compartments hu ua ib nrab-hlwb
Dawb radicals yog cov molecules tsis ruaj khov uas tuaj yeem ua rau cov hlwb hauv koj lub cev puas. Lawv tsim thaum atoms lossis molecules nce lossis poob electrons. Piv txwv li, thaum koj lub cev siv cov pa oxygen, nws tsim cov dawb radicals raws li cov khoom lag luam thiab kev puas tsuaj los ntawm cov dawb radicals hu ua 'oxidative stress'
American Begonia Society - Liab Pigments. Paj yeeb, liab lossis ntshav xim hauv nplooj yog tshwm sim los ntawm muaj cov xim hu ua anthocyanins. Nyob rau lub caij nplooj ntoo hlav thaum kub nce thiab lub teeb siv zog nce, cov xim liab ua rau ntawm nplooj nplooj ntawm ntau cov nroj tsuag
Lwm hom Canadian ntawm Thuja yog sab hnub poob liab cedar (Thuja plicata), tsob ntoo loj loj uas loj hlob raws ntug dej hiav txwv ntawm British Columbia thiab thaj chaw ntub dej ntawm Sab Hauv, ze rau lub xeev sab hnub tuaj ciam teb nrog Alberta. Kuj hu ua giant arborvitae, nws yog British Columbia lub xeev tsob ntoo
Hauv kev ua lej, qhov sib npaug ntawm cov tswv cuab ntawm ib qho multiset yog tus naj npawb ntawm lub sij hawm nws tshwm nyob rau hauv lub multiset. Piv txwv li, tus naj npawb ntawm lub sij hawm ib tug muab polynomial sib npaug muaj ib lub hauv paus ntawm ib tug muab point yog lub multiplicity ntawm lub hauv paus
Muaj peev xwm muaj ob lub electrons nyob rau hauv ib lub orbitalmaximum.Lub s sublevel muaj tsuas yog ib lub orbital, thiaj li muaj peev xwm muaj 2electrons max. P sublevel muaj 3 orbitals, yog li muaj peev xwm muaj 6 electrons max. Lub dsublevel muaj 5 orbitals, yog li tuaj yeem muaj 10electronsmax
Muab cov nplais rau ntawm sab laug ntawm lub nplai • Qhib lub qhov hnyav, thiab muab nws thiab lub hau rau ntawm lub platform sab xis • Xyuas kom tseeb tias lub nplai kab teeb tau teem rau "0" ooj • Maj mam ntxiv ntsev rau lub thawv ntim kom txog thaum qhov sib npaug. Txawm li cas los xij • Tam sim no kaw koj lub hub thiab khaws cia ib sab • Qhov no yog qhov hnyav rau koj rab diav
Hauv engineering, science, thiab txheeb cais, kev rov ua dua yog qhov rov ua dua ntawm qhov kev sim ua kom qhov sib txawv ntawm qhov tshwm sim tuaj yeem kwv yees. ASTM, nyob rau hauv tus qauv E1847, txhais replication raws li 'repetition ntawm cov txheej txheem ntawm tag nrho cov kev kho mob ua ke yuav tsum tau muab piv rau hauv ib qho kev sim
Nws hloov tawm tias cov plaub hau xim av yog qhov tseem ceeb. Qhov ntawd txhais tau hais tias txawm tias tsuas yog ib qho ntawm koj ob qho alleles yog rau cov plaub hau xim av, koj cov plaub hau yuav xim av. Cov plaub hau daj allele yog recessive, thiab tau npog
Tswvyim: Kauj Ruam 1: Muab xam qhov chaw txias txias ntawm benzene. Tf = (Khej taw tes ntawm cov kuab tshuaj dawb huv) - (Tebchaws khov kho) Kauj Ruam 2: xam cov molal concentration ntawm cov tshuaj. molality = moles ntawm solute / kg ntawm hnyav. Kauj Ruam 3: Xam Kf ntawm cov tshuaj. Tf = (Kf) (m)