Thaum enthalpy yog qhov zoo thiab delta Nws loj dua xoom, qhov no txhais tau hais tias lub kaw lus nqus cua sov. Qhov no hu ua endothermic cov tshuaj tiv thaiv. Thaum enthalpyisnegative thiab delta H tsawg dua xoom, qhov no txhais tau hais tias lub kaw lus tso tawm cua sov. Thaum dej hloov los ntawm cov kua dej, delta H yog qhov tsis zoo; dej lossesheat. Kawg hloov kho: 2023-12-15 23:12
Lub nceeg vaj yog qhov siab tshaj plaws ntawm kev faib tawm thiab muaj ntau hom tsiaj raws li Phylum thaum hom yog qhov tshwj xeeb tshaj plaws uas muaj cov tswv cuab tsawg kawg nkaus. Kawg hloov kho: 2023-12-15 23:12
Muaj peb hom txheej txheem tseem ceeb uas tshwm sim hauv tus dej. Cov no yog erosion, tsheb thauj mus los thiab deposition. Tag nrho peb nyob ntawm seb lub zog muaj nyob hauv tus dej. Kawg hloov kho: 2023-12-15 23:12
Qhov kev tshwm sim theoretical yog qhov peb xav tias yuav tshwm sim, qhov kev sim qhov tshwm sim yog qhov tshwm sim tiag tiag thaum peb sim nws. Qhov tshwm sim tseem suav nrog tib txoj kev, siv tus lej ntawm txoj hauv kev uas qhov tshwm sim tuaj yeem tshwm sim faib los ntawm tag nrho cov txiaj ntsig. Kawg hloov kho: 2023-12-15 23:12
Piv txwv ntawm Nonlinear Relationships Nonlinear kev sib raug zoo kuj tshwm sim nyob rau hauv lub ntiaj teb no tiag tiag cov xwm txheej, xws li nyob rau hauv kev sib raug zoo ntawm tus nqi ntawm ib tug maus taus thiab lub sij hawm ntawm lub sij hawm koj muaj lub maus taus, los yog nyob rau hauv lub sij hawm ntawm lub sij hawm nws yuav siv sij hawm los ua hauj lwm nyob rau hauv relation mus cov neeg nyob ntawd pab. Kawg hloov kho: 2023-12-15 23:12
Kev suav acceleration suav nrog kev faib nrawm los ntawm lub sijhawm - lossis hauv cov ntsiab lus ntawm SI units, faib cov ntsuas ib ntus [m / s] los ntawm qhov thib ob [s]. Kev faib nrug los ntawm lub sij hawm ob zaug yog tib yam li kev faib nrug los ntawm lub square ntawm lub sij hawm.Yog li lub SI unit ntawm acceleration yog tus ' meter ' ib secondsquared. Kawg hloov kho: 2023-12-15 23:12
Thawj feem ntawm HDI - lub neej ntev thiab noj qab nyob zoo - yog ntsuas los ntawm lub neej expectancy. Cov kws tsim vaj tsev ntawm HDI tau txiav txim siab ntxiv qhov thib peb - tus qauv tsim nyog ntawm kev ua neej nyob - thiab ntsuas nws los ntawm Cov Nyiaj Tau Los Hauv Tebchaws rau ib tus neeg. Kawg hloov kho: 2023-12-15 23:12
Electron affinity nce sab laug mus rau sab xis hla lub sijhawm (tsis suav cov Noble gases) thiab txo qis thaum txav mus rau hauv pawg hauv lub sijhawm. Yog li cov ntsiab lus nrog lub siab tshaj plaws electron affinity yuav nyob rau sab xis saum toj kawg nkaus ntawm lub periodic rooj. Halogens feem ntau muaj lub siab tshaj plaws electron affinity. Kawg hloov kho: 2023-12-15 23:12
Lwm cov qoob loo Cabbage tsev neeg: Broccoli, cabbage, collards, kale, kohlrabi. Cucumber tsev neeg: dib, taub dag, lub caij ntuj sov squash, lub caij ntuj no squash. Cov nplooj ntsuab: Arugula, chard, mustard (txhua hom), pac choi, sorrel, spinach, turnip zaub. Kawg hloov kho: 2023-12-15 23:12
Cov tswv cuab ntawm alkaline ntiaj teb hlau muaj xws li: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) thiab radium (Ra). Ib yam li txhua tsev neeg, cov ntsiab lus no qhia qhov zoo. Txawm hais tias tsis zoo li cov hlau alkali, tsev neeg no paub yuav ua li cas ua cov ntawv cog lus yooj yim heev. Kawg hloov kho: 2023-12-15 23:12
Chromosome yog lub tsheb uas cov noob nyob. Allele yog lwm hom ntawm cov noob. Cov noob caj noob ces sawv cev los ntawm kev sib xyaw ntawm ob lub noob, piv txwv li, niam txiv thiab niam txiv. Yog hais tias qhov sib txawv genic hauv cov qauv muaj nyob nruab nrab ntawm ob ces lawv tau hais tias yog alleles. Kawg hloov kho: 2023-12-15 23:12
Tej yam pom nyob rau hauv Exosphere Ntiaj Teb Cov Txheej Txheem. Lub ntiaj teb huab cua yog tsim los ntawm kev sib xyaw ntawm cov pa roj - uas peb paub tias yog 'cua'. Hubble Space Telescope. Tsis muaj qhov tsis ntseeg, ib qho khoom zoo tshaj plaws nyob rau hauv exosphere yog Hubble Space Telescope. Orbiting Huab cua satellites. NASA tshawb fawb satellites. Satellite Duab Duab. Kawg hloov kho: 2024-01-18 08:01
Glycolysis: ob kauj ruam tshwj xeeb uas siv ATP yog dab tsi? Glycolysis: theem ob hauv glycolysis lub zog them nyiaj theem. Nco ntsoov tias nws muab ob qho tib si ATP thiab NADH. Kawg hloov kho: 2023-12-15 23:12
Lawv nrhiav tau 5 ko taw siab ntoo maple thiab kwv yees tias nws muaj txog 400 nplooj. Kawg hloov kho: 2023-12-15 23:12
Tus nqi ntawm lub zog ntawm txhua qib trophic txo qis thaum nws txav mus los ntawm ib qho ecosystem. Tsawg li 10 feem pua ntawm lub zog ntawm txhua qib trophic yog pauv mus rau qib tom ntej; tus so yog poob loj heev los ntawm cov txheej txheem metabolic li cua sov. Kawg hloov kho: 2023-12-15 23:12
Adenium paj paj tuaj nyob rau hauv ntau yam ntxoov ntxoo ntawm dawb, liab, liab, daj, burgundy yuav luag dub thiab sib tov ntawm cov xim. Kawg hloov kho: 2023-12-15 23:12
Muaj ob qhov laj thawj vim li cas txoj cai quotient tuaj yeem ua tau zoo dua rau txoj cai tswj hwm lub zog ntxiv rau cov khoom lag luam hauv kev sib txawv ntawm cov quotient: Nws khaws cov denominators thaum simplifying qhov tshwm sim. Yog tias koj siv txoj cai fais fab ntxiv rau cov khoom siv, feem ntau koj yuav tsum nrhiav ib tus lej sib piv kom yooj yim rau qhov tshwm sim. Kawg hloov kho: 2023-12-15 23:12
Cov polymers uas yog tsim los ntawm cov txheej txheem polymerization ntawm tib hom monomer unit yog hu ua Homopolymers. Thaum cov polymers uas yog tsim los ntawm cov txheej txheem polymerization ntawm ob chav sib txawv monomeric hu ua Copolymer. HOMOPOLYMERS: PVC, polystyrene, neoprene, Teflon. Kawg hloov kho: 2023-12-15 23:12
Hom Dimension Dimension. Lub rooj dimension feem ntau muaj ob hom kab, thawj cov yuam sij rau cov lus tseeb thiab cov ntaub ntawv piav qhia. Kev hloov sai sai. Junk Dimensions. Inferred Dimensions. Conformed Dimensions. Degenerate Dimensions. Role Playing Dimensions. Shrunken Dimensions. Kawg hloov kho: 2024-01-18 08:01
Nyob rau hauv physics, ib tug transverse nthwv dej yog ib tug txav nthwv dej uas nws oscillations yog perpendicular rau cov kev taw qhia ntawm lub nthwv dej. Ib qho piv txwv yooj yim yog muab los ntawm cov nthwv dej uas tuaj yeem tsim los ntawm kab rov tav ntev ntawm txoj hlua los ntawm anchoring ib kawg thiab txav mus rau lwm qhov kawg. Kawg hloov kho: 2023-12-15 23:12
Cov kab mob zoo li eukaryotic hlwb uas lawv muaj cytoplasm, ribosomes, thiab cov plasma membrane. Cov yam ntxwv uas paub qhov txawv ntawm cov kab mob ntawm cov kab mob eukaryotic muaj xws li cov DNA ncig ntawm nucleoid, tsis muaj cov kab mob hauv cov kab mob membrane, cov phab ntsa ntawm cov cell ntawm peptidoglycan, thiab flagella. Kawg hloov kho: 2023-12-15 23:12
Lub hauv paus ntsiab lus ntawm kev sib cais (Thawj Txoj Cai): Ob tus tswv cuab ntawm ib khub niam txiv (alleles) cais (sib cais) ntawm ib leeg hauv kev tsim gametes. Lub hauv paus ntsiab lus ntawm kev ywj pheej assortment (Second Law): Cov noob rau kev sib txawv ntawm qhov sib txawv ntawm ib leeg hauv kev tsim gametes. Kawg hloov kho: 2023-12-15 23:12
Txij li thaum lub cell nyob hauv lub xeev flaccid Turgor siab yuav yog xoom. Thaum lub cell yog plasmolysed (dej tau kos outta nws), ces lub turgor siab los yog siab muaj peev xwm yog -ve. Tsiv mus rau turgid cell, tus nqi ntawm turgor siab yog qhov siab tshaj n yog sib npaug rau OP lossis Osmotic peev xwm. Kawg hloov kho: 2023-12-15 23:12
Recrystalization. Recrystallization, tseem hu ua fractional crystallization, yog txheej txheem rau purifying ib impure compound nyob rau hauv ib tug hnyav. Cov txheej txheem ntawm kev ua kom huv yog ua raws li lub hauv paus ntsiab lus uas cov solubility ntawm cov khib nyiab feem ntau nce nrog qhov kub thiab txias. Kawg hloov kho: 2023-12-15 23:12
Cov hnub qub hnyav dhau los ua supernovae, cov hnub qub neutron thiab qhov dub qhov nruab nrab cov hnub qub zoo li lub hnub kawg lub neej raws li tus neeg saib xyuas dawb ncig los ntawm lub hnub qub uas ploj mus. Tag nrho cov hnub qub, txawm li cas los xij, ua raws li tib yam ntawm xya-theem lub neej voj voog, pib raws li huab cua thiab xaus raws li lub hnub qub tseem tshuav. Kawg hloov kho: 2023-12-15 23:12
Cov txheej txheem caj ces yog cov txheej txheem los ntawm cov ntaub ntawv nkag mus rau hauv cov khoom siv caj ces (DNA lossis RNA sequences) tau muab txhais ua cov proteins (amino acid sequences) los ntawm cov hlwb nyob. Cov noob uas code rau cov proteins yog tsim los ntawm tri-nucleotide units hu ua codons, txhua coding rau ib qho amino acid. Kawg hloov kho: 2023-12-15 23:12
Cov nroj tsuag tau txais carbon los ntawm huab cua raws li carbon dioxide. Lo lus teb yog cuav. Txawm hais tias cov nroj tsuag noj cov zaub mov los ntawm cov av, cov zaub mov no tsawg heev piv rau cov proteins, carbohydrates, lipids, thiab nucleic acids uas ua rau cov nroj tsuag lub cev. Kawg hloov kho: 2023-12-15 23:12
Interpolation yog cov txheej txheem ntawm kev muab cov haujlwm yooj yim los ntawm cov txheej txheem cov ntaub ntawv sib cais kom cov haujlwm dhau los ntawm tag nrho cov ntsiab lus muab cov ntaub ntawv (piv txwv li rov tsim cov ntaub ntawv cov ntsiab lus raws nraim) thiab tuaj yeem siv los kwv yees cov ntsiab lus hauv-nruab nrab ntawm cov muab. Kawg hloov kho: 2023-12-15 23:12
Cov nqe lus twg yog txhais tau tias muaj kev sib npaug sib npaug? Nyob rau hauv dynamic equilibrium, tus nqi ntawm pem hauv ntej thiab rov qab kev xav yog sib npaug. Ntawm dynamic equilibrium, tus nqi ntawm cov tshuaj tiv thaiv pem hauv ntej yog siab dua tus nqi ntawm qhov rov qab cov tshuaj tiv thaiv. Nyob rau hauv dynamic equilibrium, lub pem hauv ntej thiab rov qab tshwm sim nres. Kawg hloov kho: 2023-12-15 23:12
Qhov ntawd txhais tau hais tias theem ntawm lub ntiajteb txawj nqus ntawm lub hli - kwv yees li 17 feem pua ntawm lub ntiaj teb lub ntiajteb txawj nqus - tsuas yog tsis tshua muaj zog txaus los muab cov lus qhia txaus rau cov neeg caij nkoj kom paub tias txoj kev twg yog nce. Tsis muaj leej twg tau rov qab mus rau lub hli txij li Cernan thiab Schmitt tau tawg tawm ntawm lub hli thaum lub Kaum Ob Hlis 1972. Kawg hloov kho: 2023-12-15 23:12
Volatiles nyob rau hauv magma Mus txog rau saum npoo, siab txo thiab cov volatiles evolve tsim npuas uas circulate nyob rau hauv cov kua. Cov npuas yog txuas ua ke ua ib lub network. Qhov no tshwj xeeb tshaj yog ntxiv cov fragmentation mus rau hauv me me tee los yog tshuaj tsuag los yog coagulate clots nyob rau hauv roj. Kawg hloov kho: 2023-12-15 23:12
Yuav Balance Mg + H2O = MgO + H2 | Magnesium + dej (chaw). Kawg hloov kho: 2023-12-15 23:12
Kinetic zog tsuas yog lub zog hauv kev txav. Nws yog tshwm sim los ntawm lub zog muaj peev xwm ua raws li qhov khoom thiab acceleration cov khoom. Yog hais tias lub cev txav mus ntsib kev sib txhuam, qee qhov ntawm tag nrho cov kinetic yuav hloov mus rau thermal zog. Kawg hloov kho: 2023-12-15 23:12
DNA yog tsim los ntawm cov molecules hu ua nucleotides. Txhua nucleotide muaj ib pawg phosphate, pawg suab thaj thiab nitrogen hauv paus. Plaub hom nitrogen hauv paus yog adenine (A), thymine (T), guanine (G) thiab cytosine (C). Qhov kev txiav txim ntawm cov hauv paus no yog qhov txiav txim siab DNA cov lus qhia, lossis cov cai caj ces. Kawg hloov kho: 2023-12-15 23:12
Cobalt thiab Nonmetals Cobalt kuj bonds nrog chlorine los tsim cobalt chloride thiab oxygen los tsim cobalt oxide. Cobalt oxide yog qhov tshwj xeeb tshaj yog muaj txiaj ntsig thiab muaj txiaj ntsig vim nws yog cobalt complex uas yog siv los muab cov xim xiav rau iav uas tsis yooj yim rau kev sib txuas. Kawg hloov kho: 2023-12-15 23:12
Daim ntawv tshaj tawm tshiab los ntawm Pawg Neeg Saib Xyuas Kev Ruaj Ntseg Hauv Ntiaj Teb rau Vaquita (CIRVA) kwv yees tias tsuas yog nruab nrab ntawm 6 thiab 22 tus neeg tseem nyob hauv 2018. Nws muaj peev xwm, txawm li cas los xij, tsis muaj ntau tshaj 10 vaquitas tshuav. (Rau qhov sib piv, xyoo 1997, cov pejxeem tau kwv yees li ntawm 600 tus neeg muaj zog.). Kawg hloov kho: 2023-12-15 23:12
Qhov no yog vim hais tias cov tshuaj muaj zog nyob ntawm tsis muaj valence electrons. Raws li nyob rau hauv ib pawg tag nrho cov ntsiab lus muaj tib yam tsis muaj valence electron uas yog vim li cas lawv muaj cov tshuaj zoo sib xws tab sis nyob rau hauv ib lub sij hawm tsis muaj valence electron sib txawv uas yog vim li cas lawv txawv nyob rau hauv chemical zog. Kawg hloov kho: 2023-12-15 23:12
Cov tsiaj yog tag nrho cov nyom nyom thiab suab puam hom yoog rau huab cua kub, qhuav. Qee qhov piv txwv: coyotes, jack luav, mule mos lwj, lizards lizards, horned toads, thov mantis, zib muv thiab ladybugs. Yog li, yog tias koj puas tau mus rau qhov chaw uas zoo li chaparral, nco ntsoov nqa qee cov tshuaj pleev thaiv hnub thiab dej ntau. Kawg hloov kho: 2023-12-15 23:12
Cov khoom siv tshuaj Silver tsis hnov mob nrog dilute hydrochloric acid thiab dilute sulfuric acid tab sis nws reacts nrog kub concentrated sulfuric acid thiab cov tshuaj tiv thaiv no muab sulfur dioxide dej thiab nyiaj sulphate. Silver reacts nrog ob qho tib si dilute thiab concentrated nitric acid los ua nyiaj nitrate. Kawg hloov kho: 2023-12-15 23:12
Muaj ntau hom, suav nrog: kev txhim kho kev lag luam uas suav nrog kev ua haujlwm nce ntxiv, nyiaj tau los thiab feem ntau yog kev lag luam loj hlob. kev txhim kho kev noj qab haus huv uas suav nrog kev muaj cov qauv kev ua neej zoo dua, kev nkag mus rau kev kawm, kev noj qab haus huv, dej huv, vaj tsev thiab kev lom zem. Kawg hloov kho: 2023-12-15 23:12