hydrogen cycle
121Absorption refrigerator — The absorption refrigerator is a refrigerator that utilizes a heat source (e.g., solar, kerosene fueled flame) to provide the energy needed to drive the cooling system rather than being dependent on electricity to run a compressor. These… …
122Nickel–metal hydride battery — NiMH redirects here. For other uses, see NIMH (disambiguation). Nickel–metal hydride battery Modern, high capacity NiMH rechargeable cells specific energy 60–120 W·h/kg[1] …
123Ethylene oxide — Oxirane redirects here. For oxiranes as a class of molecules, see epoxide. Ethylene oxide …
124Chlamydomonas reinhardtii — Scientific classification Kingdom: Protista Phylum …
125Automotive battery — 12 V, 40 Ah Lead acid car battery An automotive battery is a type of rechargeable battery that supplies electric energy to an automobile.[1] Usually this refers to an SLI battery (starting, lighting, ignition) to power the starter motor …
126Nutrition — The Nutrition Facts table indicates the amounts of nutrients which experts recommend to limit or consume in adequate amounts. Nutrition (also called nourishment or aliment) is the provision, to cells and organisms, of the materials necessary (in… …
127Energy storage — is the storing of some form of energy that can be drawn upon at a later time to perform some useful operation. A device that stores energy is sometimes called an accumulator. All forms of energy are either potential energy (eg. chemical,… …
128Electron transport chain — The electron transport chain in the mitochondrion is the site of oxidative phosphorylation in eukaryotes. The NADH and succinate generated in the citric acid cycle are oxidized, providing energy to power ATP synthase …
