The present invention relates to catalysts which comprise element(s) of group IB, and element(s) and/or compound(s) of the transition metals, with or without support. The catalyst are activated with O.sub.2 and/or oxygen containing compound(s) or the mixture of oxygen and/or oxygen ...
Oxidation of a weakly electropositive (i.e., nonmetallic) element gave an acid, or a compound in which the electronegativity of oxygen predominated. 弱正电性(即非金属)元素的氧化产生酸或氧电负性占主导地位的化合物。 Oxidation of a strongly electropositive (i.e., metallic) element gave a base...
black, and metallic. Oxygen supports combustion, combines with most elements, and is a component of hundreds of thousands of organic compounds. Ozone (O3), a highly active compound with a name derived from
Ozone (O3), a highly active compound, is formed by the action of an electrical discharge or ultraviolet light on oxygen. Ozone’s presence in the atmosphere (amounting to the equivalent of a layer 3 mm thick at ordinary pressures and temperatures) is of vital importance in preventing harmful...
2.The most frequently detected chemical compound iswater (HOH )with oxygen (O)as one of its atoms. 最常检测到的化学化合物是(HOH),氧(O)是它的一个原子。 3.Glucose is a sugar made up of carbon , hydrogen(H) ,and oxygen(O) . ...
Diphenylacetylene compound, process for preparing the same and liquid crystal composition and element comprising the same A diphenylacetylene compound of the formula [1]: ##STR1## wherein R is a C.sub.1 -C.sub.12 alkyl group, a C.sub.2 -C.sub.12 alkenyl group or a C. sub.2 -C...
A new oxygen sensor, compound 2, was synthesized through a chemical modification of a popularly used oxygen sensor of platinum(II)-5,10,15,20-tetrakis-(2,3... Y Tian,BR Shumway,DR Meldrum - 《Chemistry of Materials》 被引量: 107发表: 2010年 Adequate stimuli of the carotid body: More...
The present invention provides a 12CaO 7Al2O3 compound containing an O2<-> ion radical and/or an O<-> ion radical in a high concentration of 10<20> cm<-3> or more. This compound can be used as an oxidization catalyst, antibacterial agent, ion conductor, or electrode material for ...
an element with multiple oxidation states between −3 and +7, into RuO2, it is possible to build adaptive active sites with dynamic electron transfer. In addition, rhenium oxide is an acidic oxide with strong metal−oxygen bonds. Therefore, Re dopants stabilize the lattice oxygen and low-...
(111) surface as the helicene molecules used in this work. As shown in Fig.3b, the presence of the achiral molecules did not noticeably influence the OER activity of NiOxislands on Au. Therefore, the interaction between the thiadiazole compound and the electrode surface is not the origin of ...