Optically, this gap is measured by observation of electron transitions HOMO-LUMO, that is to say the transition absorption of lower energy or the transition to higher-energy emission?
when energy state electron was externally add some energy, electron will have jump lower stated to higher state.
I have done crude extraction of citronella, lemongrass, garlic and onion using 99.5% Ethanol. Now I want to dissolve the extracts in a suitable solvent to test them against whiteflies. (a) Will...
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Can anyone help me to over come the problem of mixing essential oil and water layer in tubes of Clevenger type apparatus while hydro-distillation of garlic? The oil layer does not remain in top of...
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Hi all, I'm trying to produce lentiviral particles using TRIPZ vector (13kb) and second-generation packaging system (as recommended). My transfection step, using calcium phosphate, worked because...
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nothing else.
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I need, to validate my PhD, to publish an article in a High Impact Factor journal. My PhD is about global performance in building and risk assessment and i don't know in which type of journal i...
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Hello everyone, I am currently developing a thesis proposal and would appreciate your input on its viability and how to effectively carry it out. My proposed topic is: "Does the perceived threat...
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I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
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If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...
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Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
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There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...
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In the case of a wound l recurrence after radical breast cancer and sentinel lymph node biopsy. Are the sentinel lymph node procedure recommended? If no axillary lymph node dissection was not...
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Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...
04 August 2024 5,974 3 View