the chemical crystallization of edta is like blooming flowers one after another - 化學反應 個影片檔及 b 捲影像00:09
evidence for molecules and atoms - part 32 of 33. demonstrates that molecules and atoms in solids, liquids, and gases can be proven to exist. five identical appearing liquids react differently, providing evidence of unseen differences in the arrangements - 化學反應 個影片檔及 b 捲影像00:37
the drug problem: what do you think? - part 22 of 27. society's most popular drug is examined from three perspectives: part 1 reveals the social aspects of drinking, reviews the history of alcohol usage, and dramatizes the economic importance of the alcoh - 化學反應 個影片檔及 b 捲影像00:32迷幻藥, 可卡因
the crystal of edible pigment looks like plants growing one by one under the microscope - 化學反應 個影片檔及 b 捲影像00:09綠色
an ultra orthodox jew who supervises the kashrut status inspects a stainless steel fermentation vat in psagot winery located on a hill near kokhav... - 化學反應 個影片檔及 b 捲影像00:12
demonstration of evaporation and dilution with fissile material going to criticality / united kingdom - 化學反應 個影片檔及 b 捲影像00:29
animation nuclear fission occurring when uranium atom is split by neutron, resulting in energy and two neutrons - 化學反應 個影片檔及 b 捲影像00:12
golden amber liquid graduated glass beaker during laboratory science experiment, precise chemical research analysis with measuring scale, soft focus laboratory glassware, transparent measurement - 化學反應 個影片檔及 b 捲影像00:14
blacksmith cautiously dipping a forged steel blade into an open jar of acid during the crafting process - 化學反應 個影片檔及 b 捲影像00:26
scientist works with scientific instruments in a laboratory of the institute of biochemistry on january 29, 2026 in kyiv, ukraine. ukrainian... - 化學反應 個影片檔及 b 捲影像00:07
futuristic biotechnology research featuring scientists using microscopes, analyzing blood samples and conducting liquid experiments in an advanced laboratory - 化學反應 個影片檔及 b 捲影像00:12
overhead top view scientist mixing blood with reagent on slide for blood type determination medical lab concept 혈액형 검사 draufsicht labor blutgruppenbestimmung full hd - 化學反應 個影片檔及 b 捲影像00:06
top down view laboratory technician performing blood type test with circular motion mixing on slide for hematology diagnosis 혈액형 검사 agglutination blutgruppenbestimmung test full hd - 化學反應 個影片檔及 b 捲影像00:07捐血, 體檢
the chemical crystallization of edta is like blooming flowers one after another - 化學反應 個影片檔及 b 捲影像00:11
scientists are currently dripping a solution of marijuana extract into a test tube for research purposes in the science laboratory. - 化學反應 個影片檔及 b 捲影像00:09
merapi volcano erupts ash and pyroclastic flows; central java, indonesia. 29 october 2010 - 化學反應 個影片檔及 b 捲影像00:15
at least five workers died on saturday in an explosion at a rocket and explosives factory in türkiye's capital ankara, according to the governor of... - 化學反應 個影片檔及 b 捲影像02:34
uses experiments and animation to show heat as the energy of molecular action. illustrates the transfer of heat by conduction, convection and... - 化學反應 個影片檔及 b 捲影像00:39
beginning with the universe as a system of matter and energy, we see examples of properties and states of matter, the relationship between kinetic... - 化學反應 個影片檔及 b 捲影像00:32
the 'x-press pearl' cargo ship caught fire due to a chemical reaction of hazardous material on board. massive environmental damage has resulted due... - 化學反應 個影片檔及 b 捲影像01:20
the drug problem: what do you think? - part 23 of 27. society's most popular drug is examined from three perspectives: part 1 reveals the social aspects of drinking, reviews the history of alcohol usage, and dramatizes the economic importance of the alcoh - 化學反應 個影片檔及 b 捲影像00:38可卡因, 迷幻藥
the crystallization of edible pigment is like another fantasy world under the microscope - 化學反應 個影片檔及 b 捲影像00:11綠色
lead (ii) iodide precipitate, formed as potassium iodide is dripped into lead (ii) nitrate solution - 化學反應 個影片檔及 b 捲影像01:00
lead (ii) iodide precipitate, formed as potassium iodide is dripped into lead (ii) nitrate solution - 化學反應 個影片檔及 b 捲影像00:11
a chemist drops a substance into a vial of red liquid, causing a chemical reaction. - 化學反應 個影片檔及 b 捲影像00:28
a chemical reaction is created when powder is added to a liquid in a test tube. - 化學反應 個影片檔及 b 捲影像00:56