杂多的
- 与 杂多的 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Inthe compound, Pr~(3+) cations are eight-coordinated with oxygen atomsfrom six DMSO molecules, two polyanions. The crystal structureindicates that the compound forms a one-dimensional zigzag chain builtfrom the alternating polyanions and cationic units throughW-O_d-Pr-O_d-W links.
结构分析结果表明,化合物中Pr~(3+)离子为八配位,配位氧原子分别来自6个NMP分子和二个杂多阴离子的端氧原子,金属配阳离子与杂多阴离子骨架通过W-O_d-Pr-O_d-W相连。
-
In this article, the heteropoly acids with Keggin structure are choosed as catalysts. Esterification of mixed dibasic acids and carbinol were studied.
杂多酸作为环境友好催化剂得到了广泛地应用,本文选用Keggin型杂多酸为催化剂,对混合二元酸与甲醇的酯化反应进行了研究。
-
For the human understanding, however, which thinks only, and does not intuit, that act is necessary.
续上 要杂多的综合这种特殊活动,然而对那只思维而不直观的人类知性来说,这种活动是必需的。
-
They can be produced only through the synthesis of the manifold which sensibility A100 presents in its original receptivity.
空间与时间的产生只是通过感性在其本源的感受性中所呈现的杂多的综合。
-
Although the charge number of isopoly and heteropoly anion was high, they existed mainly in aqueous solution as trivalent and tetravalent anions transferred across the W/NB interface.
系统研究了同多钼酸、同多钨酸、磷钨杂多酸、钒取代的磷钨杂多酸和双1∶11的镝的硅钼杂多酸阴离子在W/NB界面的转移行为,探讨了转移机制和它们在溶液中的存在形式,并计算了有关界面的热力学和动力学参数。
-
The experimental method and reaction conditions for synthesis of acetals and ketals on more than 40 catalysts such as solid superacids、 heteropoly acids、 con-exchange、 resins、 molecular sieves、 niobic acid、 vitamin C、 iodine、 sulfate、 chloride、 montmorillonite and etc.
综述了固体超强酸、杂多酸、固载杂多酸、脱铝超稳沸石、树脂、分子筛、铌酸、漆酚衍生物、维生素C、碘、硫酸盐、氯化物、蒙脱土等40多种催化剂催化合成缩醛的方法和反应条件。
-
Synchronous fluorescence showed that the addition of POM could enhance the fluorescence intensity of CV, which was explained in terms of the hindrance of the formation of the nonfluorescent twisted intramolecular charge transfer states of CV by the assembled POM-CV system, and the surfactant CTAB could enhance the luminescence by coordinated assembly.
具有同样Keggin结构的4种稀土杂多阴离子与结晶紫的作用总体一致,稀土元素不同体系的光活性会表现出一定的差异。实验证实,阳离子表面活性剂CTAB的存在会进一步增强体系的发光活性。三者协同作用,形成了更稳定的杂多阴离子-CV-CTAB三元超分子体系,而β-CD的存在对稀土杂多酸盐与结晶紫的超分子体系稳定不利。
-
Monolayer.2. A Novel Sensor Based on Layer-by-Layer Hybridized Phosphomolybdate and Poly on a Cysteamine Modified Gold ElectrodeA novel sensor have been constructed by layer-by-layer hybridizing phosphomolybdate and poly on a cysteamine modified gold electrode.
磷钼杂多酸和聚二茂铁硅烷多层组装膜修饰电极及其电化学行为采用层层组装法在金电极上组装多金属氧酸盐阴离子和聚阳离子聚二茂铁硅烷,交替沉积多层膜,构建了杂多酸-PFS多层膜修饰的金电极。
-
The smaller the electronegativity is, the higher oxidation activity is. Thus phosphomolybdic acid shows better catalytic oxidation activity than phosphotungstic acid.
由于磷钨酸中的钨可以脱出并少量沉积到催化剂表面,而且从电负性来说Mo-O的键能小于W-O,键能小的杂多酸有较强的氧化性,所以钼系杂多酸催化活性要好于钨系杂多酸。
-
The results showed that the phosphotungstic had better catalytic activities than the silicotungstic acid. As for the supported HPAs, the silica gel support HPAs' catalytic activities were higher than the activated carbon support HPAs.
实验结果表明:对于非负载型杂多酸催化剂,磷钨杂多酸的催化活性要高于硅钨杂多酸;对于负载型杂多酸催化剂,硅胶负载杂多酸催化剂的催化活性要高于活性炭负载的杂多酸催化剂。
- 推荐网络例句
-
In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.
。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。
-
Go down on one's knees;kneel down
屈膝跪下。。。下跪祈祷
-
Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.
Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。