ligand ['ligənd; 'laigənd]

ligand的基本解释

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[化] 配体, 配基, 配合基, 配合体, 配位体

与ligand相关的网络例句 [注：此内容来源于网络，仅供参考]

The main contributions of this thesis are:(1) Seven mononuclear complexes of tetradentate ligand NTB have been obtained using N〓 or SCN〓 as the additional ligand;(2) Seventeen binuclear complexes of Fe , Zn , Co , Cu have been designed and the complexes of Co , Cu exhibit antiferromagnetic properties;(3) Changing the bridged-ligand such as PO〓, CO〓, o-phth, mai, Ag (CN 〓, Au 〓, etc , fourteen tetranuclear complexes of polypridine ligand have been synthesized;(4) Two antiferromagnetic 1D chain complexes of KH〓pdc ligand have been prepared from hydrothermal reactions; in addition, one ferromagnetic 1D chain copper complex of tpdp which is bridged by oxalate has been obtained.

本论文的主要贡献为：(1)合成了配体NTB的七个新型单核配合物；(2)合成了十七个铁、锌、钴及铜系列混桥双核配合物，其中双核钴和双核铜配合物为反铁磁偶合；(3)选用多吡啶配体tpdp和TPA，改变桥联配体，合成了十个四核配合物；(4)选择配体KH〓pdc，采用水热合成方法得到了反铁磁性一维链状锰、铜配合物；以草酸根为桥联配体，合成了配体tpdp的一维链状铜配合物，该化合物为铁磁偶合，文献较少报道。

The novel complex (1) in which both benzylic nitrogens and heteroaromatic ones to the same metal ion with the rigid ligand imposed by the large heteroaromatic moiety first time was synthesized; a 2: 1 (ligand: metal ions) type complex which has steric resistance and strong thermochemical driving force was obtained. The crystal structures of characteristic ligand (LA4) and complexes (4, 7, 10), in which one cell includes two moieties: there exist minute difference in coordinated bonds and angles despite the same metal ions with the same ligand, were obtained. It shows that several stable conformation in one complex cell.

首次合成了含邻菲罗啉的具有较大刚性的四氮配体中四个氮原子全部与同一金属离子配位的配合物的晶体结构；得到了一个在空间上存在位阻作用的配体与金属离子2：1结构的晶体；解析了具有特色的一个配体（LA4）和三个配合物（4、7和10）的晶体结构，其中的配体与金属离子的配位作用显示出细微的差异，表明在同一金属配合物的晶胞中，可以同时存在着多个稳定的构象。

In this thesis, a series of complexes based on aromatic multicarboxylic acids have been successfully synthesized in solutions or under hydrothermal conditions. Their structure and properties are investigated.(1) Eight complex compounds have been synthesized and characterized by X-ray single crystal diffractive technology: The eight complexes are listed as following: [Cu242] complex 1 [Cd22(H2O)4]·4H2O complex 2 [Co(H2btc)(H2O)3] complex 3 [Co2(H2O)2]·H2O complex 4 [Ni22(H2O)4] complex 5 [Cu22(H2O)4] complex 6 [Co(H2biim)2(H2O)2](H2btc) complex 7 [Zn(H2biim)2(H2O)2](H2btc) complex 8 The structure of complex 1 is dinuclear complex resulted from weak interactions（0-D chain）; complex 2 is 1-D chain stucture result from interactions of water molecules; complex 3、4、5、6 are coordination polymers using hydrothermal synthses, where the first kind ligand is H4btc, the second kind ligand is phen and Co2+、Ni2+、Cu2+ as center ions, respectively. While the coordination enviroment of Co2+ is the same in complex 3, the coordination geometries around the Co atoms in complex 4 are obviously different because of the different reaction conditions. In complex 4, the 1-D chains are connected into 2-D layer through carboxy groups of ligand H4btc. The structures of complex 5、6 are 1-D chain stucture result from interactions of carboxy groups in ligand H4btc. Complex 7、8 are homeomorphy compounds. Either of them are linked to the 3-D chains through intermolecular hydrogen bonds. Each H4btc lose two protons and H2btc2- acts as negative electron balance.

合成了8个结构新颖的配合物，并用X-射线单晶结构分析方法确定了晶体结构，分别为： [Cu242] 配合物1 [Cd22(H2O)4]·4H2O 配合物2 [Co(H2btc)(H2O)3] 配合物3 [Co2(H2O)2]·H2O 配合物4 [Ni22(H2O)4] 配合物5 [Cu22(H2O)4] 配合物6 [Co(H2biim)2(H2O)2](H2btc)配合物7 [Zn(H2biim)2(H2O)2](H2btc)配合物8 配合物1是一个依靠弱作用连接的双核铜结构；配合物2借助水分子形成一维链状结构；配合物3、4、5、6是以H4btc为第一配体、phen为第二配体，通过水热法合成的配合物，其中，Co2+、Ni2+、Cu2+为中心离子；配合物3中的二价钴离子具有相同的配位环境，不同反应条件下得到的配合物4中的二价钴离子存在不同的配位环境，在配合物4中，一维链通过H4btc上的羧基形成一个二维层结构；配合物5、6是借助H4btc上的羧基形成的一维链状结构；配合物7、8属于异质同晶结构，它们的分子通过分子间氢键形成三维网状结构，H4btc上的羧基失去2个质子，作为一个二价负离子起到电荷平衡作用。

与ligand相关的网络解释 [注：此内容来源于网络，仅供参考]

ligand：配位体

它没有外界.① 中心离子(或原子)(central ion or central atom) 根据配位键的形成条件:原子(或离子)必须有空轨道,以接受孤对电子.一般是金属正离子或原子, (大多数是过渡 金属,极少数是负氧化态) ,少数高氧化态的非金属元素.② 配位体(ligand) 在内界中与中心离子结合的,

ligand：配体

即药理效应是如何产生的.受体(receptor) 是对生物活性物质具有识别能力并可与之选择性结合,并通过中介的信息转导与放大系统触发生理反应或药理效应的生物大分子.配体(ligand) 能与药物特异性结合的物质(如神经递质,

ligand：配合体

在利用带有缺陷酶突变基因BluB的根瘤菌进行实验的过程中,他们发现该细菌并没有如他们所想的那样合成维生素B12,因为BluB突变削弱了它们形成维生素B12最后一片配合体(Ligand)片段5,6-二甲基苯并咪唑(DMB)的能力.

ligand：配合基

质子/电子迁移反应(ps-ms)、金属-配合基(ligand)结合(ps-ms)等等. 米的机件的加工,它的第一个主要特征是高宽比(aspect ratio)大,为几3.透明掺镧的锆钛酸铅(PLZT)陶瓷,是一种有广泛应用价值的功能陶瓷. 由于可制备得到透明的材料,

ligand chromatography：配位体色谱法

lift-off effect,提高效应 | ligand chromatography,配位体色谱法 | light button,光按钮