茂和

该轮烷体系中，我们希望随着冠醚环的移动，利用二茂铁和葸荧光团之间的PET过程来影响葸的荧光。

In this rotaxane , we expected that the movement of macrocycle can influence the fluorescence of anthracene fluorophore by the distance-dependent photoinduced electron transfer ( PET ) process between ferrocene and anthracene .

通过改变共同离子在两相中的浓度比，详细地研究了在DCE／水界面上二茂铁和抗坏血酸之间的电子转移反应。

With the different ratio of TBA + concentration in DCE and water , the ET between Fc and AA was researched .

以乙二胺、二茂铁和硼氢化钠为原料，以N2和H2为辅气，用钴作催化剂，在不同温度下制备出了具有竹节状结构的硼碳氮（BCN）纳米管。

Bamboo shaped BCN nanotubes have been prepared by pyrolysis of ethylene diamine , ferrocene and sodium borohydride over cobalt catalyst in N 2 / H 2 atmosphere at 780 & 970 ℃ .

在4~10MPa范围内，ns-Fe2O3的压强指数比普通Fe2O3的低，但比叔丁基二茂铁和卡托辛的高。

In the range of 4 ~ 10 ? MPa , the pressure exponent of burning rate for ns-Fe_2O_3 is lower than that of common Fe_2O_3 but higher than those of tert-butyl-ferrocene ( TBF ) and Catocene ( GFP ) .

他们拔除了坟墓上的茂草和荨麻，砍断矮树和根株。

They plucked the long grass and nettles from the tombs , thinned the poor shrubs and roots .

丙酰基二茂铁和4-取代氨基脲反应制得8个相应的缩氨基脲1～8，它们均属首次制得。

Propionyl ferrocene reacted with 4-substituted semicarbazides converted into corresponding semicarbazones 1-8 , which are not prepared previously .

由二茂铁和芳胺作为原料通过芳基化作用合成了3个新二茂铁衍生物。

In the investigation , three new ferrocene derivatives were synthesized by arylation , using ferrocene and arylamines as the starting materials .

其中面手性化合物如二茂铁和[2.2]环仿等作为一类结构独特的手性配体，已经在不对称催化反应中得到了广泛的应用。

Among all the chiral compounds , the planar chiral compounds such as ferrocene and [ 2.2 ] paracyclophane have been widely used in asymmetric catalytic reactions as chiral ligands because of their unique structure .

图书馆拥有三座馆舍：逸夫图书馆、荣茂图书馆和北区图书馆，形成了以化学化工为主要特色的馆藏文献体系，总藏量达130万余册。

The Library consists of three parts-the Yi Fu branch ， the Rong Mao branch and the northern campus branch-and possesses 1 300 000 books and periodicals with an emphasis on chemistry and the chemical industry .

研究不同的催化剂，如乙酸钴，二茂铁和两者的混合物对聚丙烯/有机改性蒙脱土体系产生的碳纳米结构的影响。

Research on the effect cobalt acetate , ferrocene , and the mixture of cobalt and ferrocene on the morphologies of carbon materials produced from polypropylene / montmorillonite / catalyst precursor systems on flame and using XRD , Raman spectra and TEM to characterize the obtained carbon materials . 3 .

烯烃聚合催化剂主要包括Ziegler-Natta催化剂、茂金属催化剂和茂后过渡金属催化剂。

The field of olefin polymerization catalysis has experienced Ziegler-Natta catalysts , metallocene catalysts and post-metallocene catalysts periods .

以复合茂金属催化剂和双载体茂金属催化剂催化乙烯聚合、考察聚乙烯（PE）分子量分布变化情况。

The composite metallocene catalyst and metallocene catalyst supported on mixed carrier was employed for ethylene polymerization , respectively . The variation in molecular weight distribution ( MWD ) of polyethylene ( PE ) was studied .

概述了茂金属催化剂和单活性中心技术的发展，介绍了聚乙烯（PE）生产技术新的发展动向，如双峰PE生产技术、反应器新配置技术、冷凝态和超冷凝态技术。

This paper summarized the development of metallocene catalyst and single-site center technology , and introduced the developing trends of polyethylene producing processes including bimodal PE production technology , responser new disposition technology and condensed and super-condensed technology .

新型茂金属催化剂和载体型Z-N催化剂的合成、表征及催化烯烃聚合反应研究氯化镁/二氧化硅复合载体型Z-N催化剂的乙烯聚合性能

Studies on Synthesis , Characterization and Catalysis for Olefin Polymerization of Novel Metallocene Catalysts and Ziegler-Natta Catalysts ; PERFORMANCE OF ZIEGLER-NATTA CATALYST ON MgCl_2 / SiO_2 COMPOSITE SUPPORT FOR ETHYLENE POLYMERIZATION

综述了Ziegler-Natta聚丙烯催化剂技术的发展历史与研究动态，介绍了茂金属催化剂和后过渡金属催化剂的研究进展，展望了未来聚丙烯催化剂技术的发展前景，提出了我国发展聚丙烯催化剂的建议。

The development history and research trends of Ziegler - Natta polypropylene catalyst technologies are summarized ; the research development of metallocene and late transition metal catalysts are introduced ; the future foreground of polypropylene catalyst technologies are prospected ;

并通过对比详述了茂金属催化剂和Ziegler-Natta（Z-N）催化剂的催化机理，以及这两类催化剂对聚合物分子量和性能的影响。概括了对聚合物分子量影响的几种因素。

With comparison between the mechanism of these two kinds of catalysts of metallocene catalyst and Natta Ziegler ( Z-N ) of catalyst and details on the effects of polymer molecular weight polymer molecular weight , summarized the several influential factors .

茂金属聚乙烯和低密度聚乙烯共混物的流变行为

Rheological Behavior of Metallocene Catalyzed PE and LDPE Blends

受渡·边茂，坂本纯子和伊藤·千寻（1995年诺贝尔物理学奖获得者）成就地训练鸽子区分出毕加索和莫奈的画。

Shigeru Watanabe , Junko Sakamoto , and Masumi Wakita ( Ig Nobel Psychology Prize , 1995 ) made their achievement in training pigeons to distinguish between the paintings of Picasso and those of Monet ...

金属茂催化剂的结构和催化特性

The structure and catalytic characterization of metallocene catalyst

论文对其抗氧化机理进行了初步探讨，认为超支化聚酯基二茂铁能够吸收和屏蔽紫外光，从而起到抑制氧化的作用。

The results also proved that since the hyper-branched polyester-based ferrocene can absorb and shield the ultraviolet light , it will play a important role in inhibiting oxidation of aging .

本文综述二茂铁基线型聚合物和二茂铁基树枝状聚合物的超分子体系构建和性能方面的研究进展，并对今后的发展方面作一展望。

In this paper , the recent progress in the studies on construction and properties of supramolecular systems of ferrocenyl linear polymer and ferrocenyl dendrimer was reviewed , and future development of ferrocenyl polymer was prospected .

本文综合讨论了二茂铁的各种功能和用途，并介绍了二茂铁的应用和发展趋势。

All sorts of functions and utilities are reviewed in this article , and then both the applications and the developing trend of ferrocene are introduced .

对以钴、镍、钴镍、钴二茂铁、镍二茂铁和二茂铁为催化剂高温热解法制备的硼碳氮（BCN）纳米管的结构、产率等的影响进行了分析。

The effect of cobalt , nickel , cobalt / nickel , cobalt / ferrocene , nickel / ferrocene and ferrocene catalysts on the morphology and yield of boron carbonitride ( BCN ) nanotubes produced by thermal decomposition at 860 ℃ was studied .

综述了近年来烯烃聚合用的非茂单中心催化剂（包括非茂体系催化剂和后过渡金属催化剂）的结构特点、技术现状及最新进展情况。

The structure characteristic , technology status and development of non-metallocene single site catalysts , including post-transition metal catalysts and non-metallocene catalysts , used in the olefin polymerization were reviewed .

茂金属烯烃聚合催化剂&Ⅲ.乙烯聚合茂金属催化剂结构和配体对聚合反应的影响

Studies on metallocene olefin polymerization catalyst & ⅲ . The effect of the structure and ligand of the ethylene polymerization metallocene catalyst on the polymerization reaction

首先本文通过对武汉销品茂所处的大环境分析了武汉销品茂的必要性和可能性，从历史地理环境、经济政策环境、人文环境、商圈理论等角度全面认真地分析它的投资可行性。

First this paper analyzes the investment the necessity and possibility of Wuhan shopping mall , from a theories of history , geography , environment , economic policy environment , humanities environment , company etc.