Kev Ua Liaj Ua Teb & Kev Ua Liaj Ua Teb
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Yuav ua li cas los xyuas kom meej tias cov ntsiab lus ntawm Scandium (Sc) ntawm cov hniav turbine muaj pes tsawg?
Cov khoom sib xyaw ua ke ncaj qha txiav txim siab lub zog ntawm lub turbine blade, kev tiv thaiv oxidation, thiab kev ua haujlwm thermal. Superalloys vam khom cov piv ntawm nickel, chromium, thiab cobalt rau kev ua haujlwm ntawm cov qauv hauv qab 1,000 ° C. Kev hloov pauv me me li ± 0.1% hauv kev sib xyaw ...Nyeem ntxiv -
Vim li cas Handheld EDXRF thiaj yog qhov tseem ceeb rau kev kuaj Scandium kom raug hauv cov khoom tuaj txog?
Kev tshuaj xyuas cov khoom seem tuaj yeem txheeb xyuas qhov tsis zoo thiab tiv thaiv kev ua haujlwm kim los ntawm kev txheeb xyuas cov khoom siv aluminium scandium alloy ua ntej cov khoom tsim tawm. Cov khoom sib xyaw tsis raug cuam tshuam ncaj qha rau kev ua haujlwm ntawm cov khoom, ua rau muaj qhov tsis zoo, thiab ua rau muaj kev puas tsuaj ntxiv ...Nyeem ntxiv -
Puas Siv X-Ray Fluorescence Spectroscopy Tau Kom Tseeb Txog Calcium Thiab Phosphorus Hauv Cov Nqaij Qaib Pub?
Calcium thiab phosphorus muaj ntau tshaj 70% ntawm tag nrho cov minerals hauv cov pob txha qaib, tsim cov hydroxyapatite matrix uas yog lub luag haujlwm rau kev ruaj khov thiab lub zog ntawm cov pob txha. Cov calcium zoo tshaj plaws hauv cov zaub mov qaib pab txhawb kev loj hlob ntawm cov pob txha, tiv thaiv cov kab mob xws li rickets thiab os...Nyeem ntxiv -
Yuav ua li cas thiaj li siv tau Calcium Screening hauv cov qoob loo Staple rau kev yug tsiaj Biofortification?
Kev tsis txaus calcium hauv kev noj haus thoob ntiaj teb cuam tshuam rau 30% ntawm cov pej xeem. Hauv cov teb chaws uas muaj nyiaj tsawg thiab nruab nrab, cov qoob loo tseem ceeb tsis muaj calcium tom qab ua tiav, ua rau qhov sib txawv no hnyav zuj zus. Cov teeb meem loj xws li osteoporosis, kev loj hlob tsis zoo ntawm cov menyuam yaus, cov pob txha tsis muaj zog, thiab nce ...Nyeem ntxiv -
Kev Hloov Pauv ntawm Acetonitrile Cuam Tshuam Li Cas rau Cov Khoom Noj Neonicotinoid?
Kev ntsuas qhov ceev ntawm cov tshuaj acetonitrile (methyl cyanide) kom raug yog qhov tseem ceeb hauv kev tsim cov tshuaj acetonitrile (methyl cyanide). Acetonitrile qhov volatility siab thiab kev sib xyaw ua ke nrog dej ua rau kev sib cais nyuaj, xav tau cov ntaub ntawv txuas ntxiv mus rau kev rov qab tau cov kuab tshuaj kom raug thiab kev ua kom zoo dua qub. Inline ...Nyeem ntxiv
