Kev kawm 2024, Kaum ib hlis
Qhov sib txawv tseem ceeb ntawm kev hloov pauv hloov pauv thiab panspermia yog qhov kev xav ntawm tiam neeg txoj kev ntseeg ntseeg tias lub neej tuaj yeem tshwm sim los ntawm qhov tsis muaj sia nyob
Qhov sib txawv tseem ceeb ntawm cov duab thiab geometry ntawm ib lub molecule yog cov duab ntawm lub molecule yog cov qauv ntawm cov molecule, tsis suav nrog ib leeg ntawm cov ce
Qhov sib txawv tseem ceeb ntawm pyramid ntawm biomass thiab pyramid ntawm lub zog yog tias lub pyramid ntawm biomass qhia tias muaj pes tsawg biomass muaj nyob hauv cov kab mob ntawm txhua tus
Qhov sib txawv tseem ceeb ntawm thawj qhov kev txiav txim thiab pseudo thawj qhov kev txiav txim siab yog qhov kev txiav txim thawj zaug tshwm sim ntawm tus nqi uas nyob ntawm linearly nkaus xwb ntawm ib qho re
Qhov sib txawv tseem ceeb ntawm ester thiab thioester yog cov ester compounds muaj carbon, hydrogen thiab oxygen atoms whereas thioester compounds muaj carbon
Qhov sib txawv tseem ceeb ntawm miasmatic txoj kev xav thiab kev sib kis yog qhov kev xav ntawm miasmatic hais tias cov kab mob xws li kab mob chlamydia yog tshwm sim los ntawm mi
Qhov sib txawv tseem ceeb ntawm extremophiles thiab hyperthermophiles yog tias extremophiles yog cov kab mob uas nyob hauv qhov chaw huab cua xws li kub kub
Qhov sib txawv tseem ceeb ntawm electrocoagulation thiab tshuaj coagulation yog tias electrocoagulation siv hluav taws xob them nyiaj txhawm rau txhawm rau coagulate cov khoom
Qhov sib txawv tseem ceeb ntawm kev sib cais thiab kev ua kom huv yog tias kev sib cais yog kev hloov pauv ntawm cov khoom sib xyaw rau hauv ob lossis ntau yam khoom lossis cov khoom sib xyaw
Qhov sib txawv ntawm qhov tseem ceeb ntawm dichotomous key thiab taxonomic key yog tus yuam sij dichotomous yog tus lej cim npe nrov tshaj plaws uas pab txhawb tus kheej
Qhov sib txawv tseem ceeb ntawm electrostatics thiab magnetostatics yog tias electrostatics yog qhov kev kawm ntawm cov nqi hluav taws xob thaum so, whereas magnetostatics yog qhov
Qhov sib txawv tseem ceeb ntawm acetylcholine thiab adrenaline yog tias acetylcholine yog cov tshuaj neurotransmitter hauv ob qho tib si peripheral thiab hauv nruab nrab cov hlab ntsha hauv ntau
Qhov sib txawv tseem ceeb ntawm acidophiles neutrophiles thiab alkaliphiles yog cov acidophiles yog cov kab mob uas loj hlob ntawm pH ze rau 3 thaum neutrophiles
Qhov sib txawv tseem ceeb ntawm fermentation thiab putrefaction yog tias fermentation yog cov txheej txheem metabolic uas cov kab mob, tshwj xeeb tshaj yog cov poov xab thiab cov kab mob, c
Qhov sib txawv tseem ceeb ntawm pab pawg ua haujlwm thiab homologous series yog cov pab pawg ua haujlwm yog moiety ntawm cov tshuaj sib xyaw uas yog lub luag haujlwm rau r
Qhov sib txawv tseem ceeb ntawm kev sib raug zoo ntawm kev sib raug zoo thiab kev xaiv cov phooj ywg yog qhov kev sib raug zoo ntawm kev sib raug zoo tshwm sim ntawm ob tus neeg tsis sib xws, thaum xaiv cov txheeb ze
Qhov sib txawv tseem ceeb ntawm grey xiav thiab ntsuab hydrogen yog grey hydrogen yog cov roj hydrogen uas tsim los siv fossil fuels, thiab xiav hydrogen yog hyd
Qhov sib txawv tseem ceeb ntawm ametabolous thiab hemimetabolous yog ametabolous hais txog kab kev loj hlob uas tsis muaj metamorphosis thaum hemimet
Qhov txawv ntawm qhov sib txawv ntawm qhov sib txawv thiab qhov sib txawv ntawm qhov sib txawv yog qhov sib txawv ntawm qhov sib txawv yog qhov kev sib tw uas tshwm sim ntawm ob lossis
Qhov sib txawv tseem ceeb ntawm dimerization thiab polymerization yog tias dimerization tsim ib lub dimer los ntawm ob chav monomer hos polymerization tsim ib poly
Qhov sib txawv tseem ceeb ntawm elastomer thiab plastomer yog tias elastomers qhia elasticity, whereas plastomers qhia ob qho tib si yas thiab elasticity. Polymers yog
Qhov sib txawv tseem ceeb ntawm bromine thiab mercury yog tias bromine tsuas yog halogen nkaus xwb uas nyob hauv lub xeev ua kua ntawm chav tsev kub, qhov mercury yog nyob rau
Qhov sib txawv tseem ceeb ntawm delocalization thiab resonance yog tias delocalization yog hais txog electrons raug faib thoob plaws hauv tag nrho cheeb tsam ntawm molecu
Qhov sib txawv tseem ceeb ntawm Hymenoptera thiab Diptera yog cov kab Hymenoptera muaj ob khub tis thaum Diptera kab muaj ib khub tis. Phylum
Qhov sib txawv tseem ceeb ntawm Mycobacterium tuberculosis thiab nontuberculous mycobacteria yog tias Mycobacterium tuberculosis yog tus kab mob ua rau tuberculosis
Qhov sib txawv tseem ceeb ntawm PVC thiab PTMT yog PVC yog tsim los ntawm cov dawb radical polymerization, whereas PTMT yog tsim los ntawm condensation polymeriz
Qhov sib txawv tseem ceeb ntawm abiogenesis thiab spontaneous tiam yog tias abiogenesis yog txoj kev xav uas hais tias tag nrho lub neej pib los ntawm inorganic molecules w
Qhov sib txawv tseem ceeb ntawm DNA thiab RNA yog DNA yog hom nucleic acid uas muaj deoxyribonucleotides thaum RNA yog hom thib ob ntawm nucleic
Qhov sib txawv tseem ceeb ntawm colloidal silica thiab reactive silica yog tias colloidal silica yog cov polymeric daim ntawv ntawm silicon, whereas reactive silica yog n
Qhov sib txawv tseem ceeb ntawm Hall Héroult Txheej Txheem thiab Hoopes txheej txheem yog Hall Héroult txheej txheem tsim cov hlau txhuas nrog 99.5% purity, whereas Hoopes proc
Qhov sib txawv tseem ceeb ntawm volvox paramecium thiab euglena yog tias volvox yog ib qho ntsuab alga uas nyob ua thaj tsam hauv dej tshiab thaum paramecium yog ciliate
Qhov sib txawv tseem ceeb ntawm kev sib deev thiab kev sib deev yog kev xaiv kev sib deev yog hais txog kev xaiv deev hauv cov tswv cuab ntawm tib lub se
Qhov sib txawv tseem ceeb ntawm tus kws tshaj lij thiab tus kws tshaj lij yog cov hom kab dav dav tuaj yeem vam meej hauv ntau qhov chaw ib puag ncig thiab noj ntau yam
Qhov sib txawv tseem ceeb ntawm carbon tetrachloride thiab sodium chloride yog tias carbon tetrachloride yog covalent tshuaj compound thaum sodium chloride yog
Qhov sib txawv tseem ceeb ntawm nitric acid thiab nitrous acid yog tias nitric acid molecule muaj peb cov pa atoms khi rau lub hauv paus nitrogen atom whereas n
Qhov sib txawv tseem ceeb ntawm dioxins thiab PCBs yog tias feem ntau cov dioxins yog cov khoom tshwm sim ib txwm muaj thiab yeej tsis raug tsim los rau txhua lub hom phiaj, thaum PCBs
Qhov sib txawv tseem ceeb ntawm kinetochore thiab nonkinetochore microtubules yog tias kinetochore microtubules ncaj qha txuas rau kinetochore ntawm chromosomes
Qhov sib txawv tseem ceeb ntawm sucrose gradient thiab sucrose cushion ultracentrifugation yog nyob rau hauv sucrose gradient ultracentrifugation, ib qho txuas ntxiv sucrose g
Qhov sib txawv tseem ceeb ntawm kev sib xyaw ua ke thiab cov tshuaj tiv thaiv tsis sib xws yog qhov kev sib txuas ua ke qhia lub zog hloov ntawm ib sab ntawm cov tshuaj tiv thaiv mus rau lwm sab
Qhov sib txawv tseem ceeb ntawm kev hloov pauv ntawm cov noob caj noob ces yog qhov kev hloov pauv ntawm cov noob caj noob ces yog cov kev cai ntawm cov noob caj noob ces