查询词典 fluorescence

There are decreases in fluorescence signals except the stabllllty for Prochlorococcus and increasing abruptly for pieoeukaryotes 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。

Abstracts The effects of fixation with paraformaldehyde or glutaraldehyde and preservation with liquid nitrogen on cell size, density, phycoerythrin fluorescence value (FL2) and chlorophyll fluorescence (FL3) of picoplanton cells were studied by using flow cytometry.

摘要以流式细胞计为海洋微微型浮游生物的分析工具，研究了醛类固定剂的固定、液氮贮存对于微微型浮游生物的细胞大小、密度、藻红素荧光值(FL2)和叶绿素荧光值(FL3)的影响。

The transient fluorescence spectra of porphyrin polymers were studied. The fluorescence lifetimes of porphyrin polymers are picosecond level.

采用瞬态荧光光谱实验方法研究了卟啉聚合物荧光衰减的动态过程，发现卟啉聚合物具有具有皮秒级的荧光寿命。

The fluorescence characteristics of the complex of piperine with cation in micellar system were studied.At the same time,the influence of experimental condition on the fluorescence intensity was also studied.

研究了金属离子存在下胡椒碱在胶束体系中的荧光特性及实验条件对荧光强度的影响。

Induced activation of Rac1,Cdc42 signal transduction pathway, monitoring the transfer of living cells activated sheet pseudopodium emerged and filopodia obvious morphological changes,such as measured values or fluorescence imaging of fluorescence intensity over time to continuously reduce until almost see the determination or observation.

诱导激活的Rac1、Cdc42信号转导通路，监测到转染激活的活细胞中出现片状伪足和丝状伪足等明显的形态变化，测定荧光值或者成像的荧光强度随着时间推移不断降低，直至几乎测定或观察不到。

The Eu 〓·phen was also incorporated in TiO〓 by sol-gel method, it could be found that no fluorescence quench was observed under the chosen concentration ranges and the fluorescence lifetime were longer than the pure complex.

本文中还通过溶胶凝胶法将Eu〓·phen掺入TiO〓基体中，通过荧光光谱的研究表明在所选择的掺杂范围内没有出现荧光猝灭，且荧光寿命比掺杂前的纯配合物延长。

The rare earth complex dispersed in mesoporous silica displayed characteristic fluorescence emission of the pure rare earth complex, the fluorescence emission was increased, especially for diamine treated mesoporous silica. It showed that MCM-41 could effectively hinder the concentration quenching of Eu〓 ion.

对进入氨基修饰过的介孔二氧化硅中的Eu〓具有更好的荧光性能，说明介孔二氧化硅可以有效地阻止稀土离子的浓度猝灭。

The effect of this pyrano [4,3-b] pyran derivative on the conformation of BSA was analyzed via the synchronous fluorescence spectra and three-dimensional fluorescence spectra.

结果表明，吡喃并[4，3-b]吡喃衍生物主要以静态猝灭方式使牛血清白蛋白荧光强度显著降低，二者主要凭借氢键和范德华力结合。

Based on scene X fluorescence analysis ray fluorescence , X of sea floor , that principle develop survey system can go on normal position survey to the sediment in sea floor, can carry on non- destructive analysing to the sediment of sea floor that is gathered fast on the ship too, mineral products reconnoitre or environment investigate in time submitting necessary information for marine.

基于现场X荧光的分析原理研制的海底X射线荧光探测系统可在海底对沉积物进行原位测定，也可以在船上对采集的海底沉积物进行非破坏性的快速分析，为海洋矿产勘察或环境调查及时提供必要的信息。

By means of time-resolved laser-induced fluorescence spectroscopic technique, two samples of Er3+∶YAG with 10.5% and 8.4% concentrations were resonantly excited with ultraviolet lasers at 262 nm and 276 nm, and the fluorescence spectra were recorded and the peak transitions were assigned in detail.

利用时间分辨激光诱导荧光光谱技术，用262 nm和276 nm紫外激光对原子数分数为x(Er3+)=10.5%和x(Er3+)=8.4%两种情况下Er3+∶YAG晶体的4D5/2和2H9/2能级分别共振激发，记录了每种情况下的荧光发射谱，对其中所有荧光谱峰对应的能级跃迁做了详细标定。

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。