查询词典 moieties

Here the whole tribe is divided into two great exogamous classes or moieties, Kroki and Kumite.

在这里，整个部落分为两个级别：克洛基和库米德。

Both the simulation results and the absorption spectra indicated the important contribution of pyrene at C9 of fluorene moieties to molecular orbitals.

采用半经验AM1方法对分子MP1和MP2进行了构象和分子轨道模拟，模拟和吸收光谱结果都显示出芘对分子能级的重要影响。

The presence ofelectron donor(methoxy or methylenedioxy group) and electronacceptor anhydride group） moieties on phenyl fulgide derivativesleads to an intramolecular charge transfer upon exication that results ina solvatochromic effect.

可将苯基俘精酸酐视为由给电子基和得电子基两部分组成，分子内的电荷转移是造成正溶剂效应的主要原因。

As the aglycone and the oligosaccharide moieties are different, soyasaponins show different biosiological and pharmacological properties, such as goitrogenic, antitumor, antioxidative and HIV resistance.

大豆皂甙由皂甙元和低聚糖构成，由于组成大豆皂甙的甙元和多聚糖的种类不同，大豆皂甙具有多种生物学和药学性质，如降低血脂、抗癌、抑制血小板凝聚、抗病毒等作用。

Pyrene was incorporated onto the C2 and C7 of the fluorene moieties to obtain the monosubstituted derivatives of pyrene (MP1, MP2 and MP3)(Figures 4.1 and 4.2), and their chemical structures were fully characterized.

对ATF1的电致发光性能表征显示ATF1的不稳定性是由于芴9位甲基的分解造成，这同时造成器件性能的下降和光谱的不稳定。

Some products included methoxy group, naphthyl and heterocyclic aromatic moieties, and some were borne with two 1-propynyl groups. It is more important that compounds bearing halogens were also synthesized via this protocol.

运用此法不仅合成出一些含有醚键、萘环、杂环以及含有两个1-丙炔基的化合物，重要的是芳环上含有卤原子的化合物也能顺利地合成出来。

This NS-MCM-41-Pd proves to be an efficient heterogeneous catalyst to catalyze aryl bromides with organozinc reagents for Negishi reaction. In the third suject, fluorescent surfactants with different conjugated aromatic moieties and changeable and gradually extended hydrophobic lengths were successfully synthesized by multiple synthesized manipulations.

首先利用颗粒大小为奈米尺度(约100 nm)、表面积约 660 m2/g 与孔径大小约 2.6 nm 且孔道分布为虫洞结构之孔洞材料，NS-MCM-41，作为异相触媒担体，稼接上钯错合物形成异相催化剂 NS-MCM-41-Pd，催化 aryl bromides 与 organozinc reagents 进行 Negishi reaction，并探讨触媒反应后再回收活性测试。

Absorption spectra indicate that there is little or no interaction between chromphores in the ground state. However, the fluorescence emission of oxadiazole and triphenylamine moieties are almost quenched, which shows that in the excited ground state there exists very effective intramolecular singlet-singlet energy transfer .

研究发现，这些多发色团化合物在基态发色团之间没有作用或作用很小，而其中噁二唑和三苯基胺单元的荧光被严重的猝灭，这说明在激发态下，萘酰亚胺发色团与噁二唑、三苯胺功能团之间发生了分子内单线态—单线态能量转移。

Absorption spectra indicate that there is little or no interaction between chromphores in the ground state. However, the fluorescence emission of oxadiazole and triphenylamine moieties are almost quenched, which shows that in the excited ground state there exists very effective intermolecular singlet-singlet energy transfer.

研究发现，这些多发色团化合物在基态发色团之间没有作用或作用很小，而其中恶二唑和三苯基胺单元的荧光被严重的猝灭，这说明在激发态下，萘酰亚胺发色团与恶二唑、三苯胺功能团之间发生了分子内单线态－单线态能量转移。

Electron-transporting oxadiazole monomer 2-phenyl-5-p-(N-acrylateamino-phenyl-1,3,4-oxadiazole was designed, synthesized and copolymerized with NVK, MMA and Tb2 to give a Tb-complex containg copolymer PKMOTb with dual transporting moieties.

设计并合成了一种具有电子传输性能的噁二唑类单体2-苯基-5--1，3，4-噁二唑，并将此单体和NVK、MMA、Tb_2共聚，合成了同时带有双传输基团和稀土金属配合物单元的新型四元共聚物PKMOTb。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。