- 更多网络例句与氧钒基相关的网络例句 [注：此内容来源于网络，仅供参考]
-
The free hydroxyl radical of greater activity produced in the catalytic ozonization of V is the essence of the catalytic system; and the formed V also contributed greatly to the removal of chemical oxygen demand.
结果表明，催化体系的本质是催化剂中的四价钒催化臭氧分解生成了活性更高的羟基自由基，所生成的五价钒对体系化学耗氧量的去除也有很大的贡献（近10%）。
-
The synthesis and characterization of asymmetric dinuclear and mononuclear vanadium complexes show that the pH value is very important for the products\' formation and isolation. In some pH range, theα-alkoxy bridge was easy to break and form asymmetric dinuclear and mononuclear vanadium structure.
三、不对称的双核钒和单核钒配合物的合成和表征显示，pH值对产物的形成和分离具有至关重要的作用。pH值在一定范围内，柠檬酸的烷氧基氧作为桥氧的化学键才容易断开，从而形成不对称的双核钒和单核钒结构。pH值不仅影响不对称双核V_2O_3钒配合物和单核钒配合物的形成，还关系到钒还原的速度。
-
The research of mechanism shows that the pathway of hydrocarbons oxidation performed with vanadium picolinic complexes as catalyst involves typical free radical chain mechanism.
对催化氧化反应机理的研究结果表明，本反应体系在钒氧吡啶酸络合物作用下，烃类的氧化反应按照自由基链反应机理进行，非均相催化剂遵循与均相催化剂相似的反应机理。
-
The ligand of the chiral Schiff base and acetylacetone vanadium are subjected to complexation in situ, hydrogen peroxide is taken as an oxidant, aryl alkyl thioether asymmetric oxidation reaction is catalyzed in a toluene or dichloromethane solution under low temperature or room temperature, enantioselectivity of chiral sulphoxide is 72 percent to 95 percent ee, and yield is 42 percent to 83 percent.
将上述手性西佛碱配体与乙酰丙酮氧钒原位络合，采用双氧水为氧化剂，在甲苯或二氯甲烷溶液中低温至室温下催化芳基烷基硫醚不对称氧化反应，手性亚砜的对映选择性为72％-95％ee，产率为42％-83％。
-
Absorption spectra of soluble vanadyl phthaloeyanine Pr4VOPc (vanadyl phthaloeyanine with four propyl groups) in different medium were studied.
研究了四丙基取代钒氧酞菁(Pr4VOPc)在不同介质中的吸收光谱。
-
Keywords vanadyl pyrophosphate;catalyst;additives;selective oxidation;maleic anhydride
氧钒基焦磷酸盐；催化剂；添加剂；选择性氧化；顺酐
-
In theabsorption spectra, the wavelength of Q band of vanadyl phthalocyaninesis longer than that of copper phthalocyanines; and it will bebathochromic shift when the substituent is in 1 or 4-position other than 2 or3-position or when eletron-donor substituents are introduced into the rings of Pcs.
此外，在溶液中，2或3位取代的长链烷酰胺基氧钒酞菁和铅酞菁主要以聚集体形式存在，而其它酞菁化合物则以单体形式为主，上述长链酞菁均能通过旋涂法制成纯化合物的薄膜。
- 更多网络解释与氧钒基相关的网络解释 [注：此内容来源于网络，仅供参考]
-
divan bed：两用沙发
divalentradical 二价基 | divan-bed 两用沙发 | divanadyl 二氧二钒根
-
perovskite oxides：钙钛矿型氧化物
钒氧基化合物:vanadium oxides-based compounds | 钙钛矿型氧化物:perovskite oxides | 氧化铁还原:reduction of iron oxides
-
lipid peroxidation：(脂质过氧化反应)
有的刺激性气体本身即是强氧化剂,如臭氧;不少化合物还可直接诱导组织生成氧自由基,如氮氧化物、硒化合物、五 氧化二钒等,从而直接引起过氧化损伤,即通过脂质过氧化反应(Lipid peroxidation)破坏细胞结构.