查询词典 fluorescence

SNP ; gene chip ; molecular probe ; fluorescence polarization ; fluorescence resonance ; mass spectrometry ; bacterial magnetic particle

单核苷酸多态性；基因芯片；分子探针；荧光偏振；荧光共振；质谱；磁性颗粒

Tb3+ in DTPA-Tb is replaced by Np4+ giving DTPA-Np and Tb3+, then the free Tb3+ complex with Tiron producing Tiron-Tb which is a strong fluorescence substance. We use the fluorescence signal of the ligand to measure Np4+ in the system. The high sensitivity of Tiron-Tb makes the method for neptunium sensitive.

测定Tb~(3+)有一个极灵敏的方法，Tb~(3+)和Tiron结合生成强荧光的络合物Tiron-Tb，其检测下限可达4.8×10~(-12)g／ml Tb~(3+)，利用荧光法检测Tiron-Tb的高灵敏性，从而实现镎的间接测定。

The Molar conductivity indicates that all the complexes are nonelectrolyte. IR spectra show the ligand is bonded with RE ion through its oxygen atom in hydroxyl group of phenol; NO3 is coordinated as a symmetrical chelating bidentate group; the coordinated atoms of DMF and DMSO are the oxygen atoms in carbonyl and sulfoxyl groups. Fluorescence spectrum suggests that the Tb3+complexes have characteristic luminescence and its fluorescence intensity is enhanced after doping with La3+, Gd3+, Y3+, influence of doping ions and neutral ligands have also been discussed.

摩尔电导率表明，所有配合物均为非电解质；红外光谱及核磁共振氢谱表明，对叔丁基杯[8]芳烃通过酚羟基的氧原子与稀土离子配位；硝酸根为双齿螯合配位；DMF和DMSO则分别通过羰基氧和亚砜基氧与稀土离子配位；配合物的荧光光谱表明，所有Tb的配合物具有较强的特征荧光，掺杂La~(3+)、Gd~(3+)、Y~(3+)离子对Tb~(3+)的荧光有较强的增强作用。

The new method can avoid fluorescence quench caused by high concentration of measured fluid and personal error. It is especially suitable for fluorescence analysis of condensate oils, light oils and some mud additives with lower wavelength than 400 nm.

该评价方法克服了荧光自熄和浓度消光现象，避免了人为产生的误差，测试结果有效性强，特别是对于凝析油、轻质油及荧光发射波长小于400nm的钻井液添加剂的荧光评价更为有效。

In particular, the development of three-dimensional fluorescence technique provides a new way to the fingerprint identification of Chinese traditional medicine. In this thesis, fluorescence spectra of water extraction of three certified pharmacopeia rhubarbs have been studied.

荧光分析法在中草药及其有效成分的研究上有着广泛的应用，特别是三维荧光图谱的发展，为中药指纹鉴别提供了广阔的应用前景。

Results show that phenanthrene, anthracene have three stronger fluorescence regions, and pyrene, fluoranthene have several and two fluorescence regions, respectively.

实验表明：菲与蒽均有三个较强的荧光区域；花有多个荧光区域；荧葱有两个荧光区域。

In the work, the laser-behavior under exposure of Ar〓 laser was discussed. The kinetic process of photochemical reaction, intermediate, sensitive process of diazophthoquinon system were studied by laser fluorescence spectrum and laser induced fluorescence attenuation. The nonlinear relation between photodecomposition rate of the system and laser power and concentration of solution was investigated in detail.

论文也进行了感光组成物感激光性能的研究：利用激光荧光光谱及激光诱导荧光衰减法实现了实时探测邻叠氮萘醌型光敏剂感激光光化学过程、中间体的产生与结构以及增感作用的研究，该方法在国内外文献中未见有报道。

Objective: To study the fluorescence spectra of tetraphenylporphyrine and its fluorescence quantum yields, so as to search for better photosensitizer.

目的：将四苯基卟啉(H2TPP)及其衍生物作为研究对象，测定其荧光光谱和荧光量子产率，从而筛选出较好的光敏剂。

The phycocyanin is a kind of fluorescence molecular probe because it has characteristic absorption spectra and fluorescence spectra.

藻蓝蛋白具有特征性吸收光谱和荧光光谱，是一种新颖的荧光分子探针。

There are decreases in fluorescence signals except the stablility for Prochlorococcus and increasing abruptly for picoeukaryotes in phycoerythrin fluorescence.

除原绿球藻的藻红素荧光基本不变、微微型真核浮游植物的藻红素荧光大幅增加外，其余荧光信号均发生不同程度的减少。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。