Study on New Transition Element Substituted Heteropoly Complex Composite Materials and Their Photocatalysis The results indicate that the structure made of the composite to replace steel structure can effectively reduce acoustic reflection coefficient. 新型过渡元素取代的杂多配合物复合材料及其光催化的研究结果表明,透声复合材料取代金属制作构件可有效降低其声反射。
The middle school students in the social transition stage are facing complex cultural ecological environment and the value choice of pluralistic cultures. 处在社会转型时期的中学生,面对着复杂的文化生态环境和多元文化的价值选择。
Effect of transition metal-containing organic complex additive on the properties of polyimide gas separation membranes 过渡金属有机络合物添加剂对聚酰亚胺气体分离膜性能的影响
Theoretical Studies on Hydrogenation of Ketones Catalyzed by Transition Metal Complex 过渡金属配合物催化酮加氢反应的理论研究
Since the transition problem is very complex, strengthen the engineering knowledge of industrial designers is not enough to resolve the problem. 加强设计师工程技术知识也只能部分解决问题,因为设计衔接问题十分复杂,仅仅靠对设计师加强工程技术知识的培训还远远不够。
The model accounts for mode coupling in the transition region of the complex cavity. 然后,从一般有源传输线方程出发,推导出了渐变复合腔回旋管的自洽理论模型,该理论模型考虑了复合腔过渡段中模式的耦合。
Discussion color development of transition metal complex 关于过渡金属配合物显色的讨论
The model accounts for beam loading effects self-consistently as well as mode coupling in the transition step of the complex cavity gyrotron. 建立了突变复合腔回旋管的自洽非线性理论模型,该模型既考虑了电子和高频场的自洽相互作用又考虑了复合腔过渡部分模式的耦合;
Its key idea is to analyze and regulate the topology relationship of the complex net loops generated from the first offset and transition of the complex profile loops, with the result of the correct offset loops. 其基本思想是对复杂轮廓环经原始等距和过渡后形成的复杂网状环进行拓扑关系的规整和判断,从而生成正确的等距结果环。
The vibrational frequencies and vibrational modes of reactants, precursor complexs, transition state, successor complex and product were analyzed. 分析了反应物,前驱配合物,过渡态,后继配合物和产物的振动频率及振动模式。
Preparation and Studies of Transition Metals Complex 过渡金属络合物的合成及其性能的研究
Catalytic synthesis of binaphthol with transition metal complex 过渡金属络合物催化合成联萘酚
The transition metal complex oxide nano-La_ ( 0.8) Sr_ ( 0.2) FeO_3 was synthesized with citrate method; 本文用柠檬酸法制备了过渡金属复合氧化物La(0.8)Sr(0.2)FeO3,用固态反应制备了纳米ZnO和α-Fe2O3。
The content of this subject study is presented on the basis of studies on dendritic macromolecule and transition metal complex. 在树枝状高分子和过渡金属配合物研究的基础上提出本课题的研究内容。
Development and prospect of homogeneous catalysis of organo-transition metallic complex 有机过渡金属配合物均相催化发展及展望
Progress on synthesis of post transition metal nickel complex and its application as catalyst in olefin polymerization was reviewed. 对后过渡金属镍络合物及其催化烯烃聚合的研究进展进行综述。
Research and development situations of single site catalysts for olefin polymerization including metallocene catalysts, late transition metal complex catalysts and other novel catalyst systems are reviewed. It is believed that new generation catalysts will play more and more roles in olefin polymerization industry. 本文综述了用于烯烃聚合的单活性中心均相催化剂的研究开发状况,主要包括茂金属催化剂、后过渡金属络合物催化剂以及其他的新型催化剂体系。
Transition metal complex catalysts for ethylene oligomerization have undergone several stages from traditional Ziegler-Natta catalysts to metallocenes and non-metallocene late transition metal complexes. 过渡金属乙烯齐聚催化剂的发展经历了从传统齐格勒&纳塔型催化剂到茂金属催化剂,再到后过渡金属非茂催化剂几个阶段。
A Study on CT Spectra of Transition Metal Complex 过渡金属络合物荷移光谱的研究
The use of the catalysts consisting of racemic ligand, transition metal complex and chiral activator in the hydride transfer reduction reaction of acetophenone 含氮外消旋配体金属络合物在苯乙酮不对称氢转移反应中的应用
Preparation and Study of Poly ( Aniline-anthranilic Acid) Transition Metal Complex 聚(苯胺&***)过渡金属络合物的制备及性能研究
The action spectrum shows pronounced structureless peaks, which are relevant to the transition of complex. 反应的光解行为光谱显示出明显的无结构的峰,分别对应于络合物的跃迁。
It was found that, with more dimethacrylate introduced, the crosslinking density increased, which put more restriction to the diffusion of transition metal complex, giving rise to a faster polymerization rate and a higher vinyl group conversion. 研究发现,交联单体用量增加导致交联网络密度增大,过渡金属络合物的扩散受阻严重,从而使聚合速率和双键转化率都增加;
First, we can understand the catalysis mechanism and the role of the metal in it through studying the transition metal complex as the model of natural nucleases; 首先过渡金属配合物作为许多天然核酸酶的模型通过对其研究我们可以了解天然酶的催化机理及金属离子的作用;
In the background of transition and increasingly complex economic environment, how to further strengthen the stability of the banking system has become the key issues in the crucial stage of financial reform. 面对日益复杂的经济环境,如何进一步增强仍处于转型期与监管尚不完善的银行体系的稳定性,已成为金融改革攻坚阶段中的关键问题。
Absolute configuration was identified by XRD. Catalytic activity and stereoselectivity of its transition metal iridium complex were assessed by asymmetric hydrogenation of schiff base. 通过X-单晶衍射确定了立体构型,与金属铱制成阳离子型催化剂,初步考察了其在西佛碱的不对称氢化中的催化活性和立体选择性。
The catalytic oxidations of organic compound by means of transition metal complex have fundamental meaning in organic synthesis, industrial catalysis and enzyme catalysis. 过渡金属络合物催化氧化有机物质在有机合成、工业催化、酶催化领域有着举足轻重的地位。
Compared with the traditional transition metal complex catalysts, the organic catalyst is cheap, easy to get, non-toxic, high activity and reusable. 与传统的过渡金属配合物催化剂相比,有机催化剂具有廉价易得、无毒、活性高、可重复利用、对水和氧气相对稳定等优点。
Due to the small size of the transition gear and complex structures, it is necessary to detect the assembly force in the process of micro assembly. 由于过渡轮尺寸小、结构复杂,因此,利用其装配过程的力信息对其位姿调整极为重要。
With further speed up of the urbanization process in China, the scope of administration expanded, administrative law enforcement in social transition is facing increasingly complex social environment, numbers of conflicts the administrative law enforcement is also rising. 当前我国行政执法的范围随着城市化的不断发展而不断扩大,相伴随的,处于社会转型期的城市行政执法者面临的执法环境也越来越复杂,执法中的冲突也逐渐增多。