gd3

The positron experiment indicates that the localized electronic density ne decreases with increasing Gd3 + content .

正电子实验结果给出局域电子密度ne随Gd掺杂浓度x的增加而减小。

Temperature effects of ESR linewidths of gd3 + lon in frozen aqueous solution

冻结水溶液中Gd~（3＋）离子ESR线宽的温度效应

The mechanism of effects of Gd3 + - doping on the photocatalytic activity of TiO2 nano-particles was also discussed .

探讨了Gd3+掺杂对TiO2纳米粉体的光催化活性的影响机制。

Gd3 + ion is a fine activator and sensitizer .

Gd~（3+）离子是优良的激活剂和敏化剂。

It reveals that luminescence of the samples was enhanced by incorporation of Gd3 + .

结果表明：掺入Gd3+对样品的发光有增强作用。

A series of nano TiO_2 photocatalysts with different Gd3 + - doped content were prepared with the method mentioned above .

采用溶胶-凝胶法，制备了一系列不同Gd3+掺杂量的纳米TiO2光催化剂。

The electron paramagnetic resonance spectra of the natural single crystal of the tetragonal structure zircon containing impurity Gd3 + have been measured .

本文测量了含有微量Gd~（3+）杂质并具有四角对称结构的天然锆石单晶的电子顺磁共振谱。

Which are micro-cosmic quantum number of Gd2 + and Gd3 + ions .

又与Gd2+和Gd3+离子的微观的量子数J⊥和J（？）

The effects of Gd3 + doping content and calcinated temperature on the photocatalytic activity for hydrogen generation of photocatalysts under ultraviolet light irradiation were investigated .

考察了焙烧温度和Gd3+掺杂量对TiO2在紫外光照射下光催化分解水制氢活性的影响。

Objective : To determine sialidase activity in human hepatocellular carcinoma ( HCC ) so as to probe into the mechanism of gangliosides change ( GD3 increasing ) in HCC .

目的：检测肝癌组织中唾液酸酶的活性，探讨肝癌组织中神经节苷脂谱改变（GD3含量增加）的机理。

Energy transfer process and mechanism are analysised , the mechanism of energy transfer from Gd3 + to Eu3 + is a resonant transfer , in which electric dipole-dipole interaction plays a leading role .

分析了能量传递过程，探讨了在多孔二氧化硅中Gd3+→Eu3+的能量传递的机理，其机理主要为电偶极鄄电偶极相互作用。

The spectral properties of a novel terminated laser crystal Gd3 ( In , Ga ) 2 Ga3O12 : Cr3 + grown by flux method are reported for the first time .

本文首次报道了一种用熔盐法生长的新型终端声子激光晶体Gd3（In，Ga）2Ga2O（12）：Cr~（3+）的光谱特性。

XRD shows that Gd3 + doped Nano-ZnO is hexagonal wurtzite . Structure of powder samples have good crystallinity and lattice distortion induced by rare-earth-doped , and vary the grain size .

XRD结果显示，制得的Gd3+掺杂纳米ZnO粉末样品为六方纤锌矿结构，结晶度良好，稀土的掺杂引起晶格畸变，使晶粒尺寸发生变化。

Conclusion : The increase of ganglioside GD3 in HCC is not only due to the enhancement of GD3 synthase activity , but also due to the decrease of the sialidase activity .

结论：肝癌组织中神经节苷脂GD3增加的原因不仅与GD3合成酶活性的增高有关，还与其水解酶唾液酸酶活性的降低相关。

It is shown that the cell volume increased when the content of la3 + ions in the crystal increased and it decreased while the content of Gd3 + or Y3 + ions increased .

结果表明，随着La~（3+）的含量增加晶胞体积增大，而随着Gd~（2+）或Y~（3+）的含量增加晶胞体积减小。

It was also found that heightening the concentration of Gd3 + promoted the density of glass samples , but weaken luminescence of Tb3 + and go against to shine of Tb3 + ions .

浓度的提高增加了玻璃样品的密度，但是Gd3+浓度的提高减弱了Tb3+离子的发光，对Tb3+离子发光具有负面效应。

These ligands are compose of RGD peptide and long-chain palmitic acid . If coordinated with Gd3 + , the complex were expected to be an new amphiphilic and tumor targeted MRI contrast agent .

这类配体依靠RGD序列的多肽引导其肿瘤组织靶向性，通过棕榈酸长链的接入实现两亲性，与顺磁性金属离子配位之后有望成为一种新的双亲性靶向MRI造影剂。

The influences of reaction condition including sinter temperature , sinter time , diluted nitric acid consumption , the dosage of Eu3 + and Gd3 + as one of factors effect on the luminous properties of the phosphor were studied .

研究了烧结温度、烧结时间、稀硝酸用量、Eu3+用量、Gd3+用量等因素对荧光粉发光强度的影响。

And when the Yb3 + ion concentration increases to35 % , 40 % , the Gd3 + ion concentration is reduced , the optical basicity of glass will be effected , then Stokes displacement will reduce .

而当玻璃中Yb3+离子浓度增大为35%，40%时，影响玻璃光碱度的Gd3+离子浓度降低，进而Stokes位移减小。

With the replacement percentage of2Zn2 + with Gd3 + + Li + increasing , the fluorescence intensity of zinc molybdate was increased first and then decreased , correspondingly , the phase composition varied from multiphase to single phase .

随着Gd3++Li+电荷补偿取代2Zn2+的百分数增大，荧光强度先增强而后降低，对应的物相也由多相向单相转变。

Gd3 + ion plays a different role in the luminescence of Sr2CeO4 ∶ Eu phosphors . Gd3 + ion acts as a quencher when the concentration of Eu3 + ion is as low as 1mol % .

Gd3+对Sr2CeO4∶Eu的发光起不同的作用：当Eu3+浓度较低（掺杂浓度为1mol%）时，Gd3+离子起猝灭作用；

The luminescence intensity and chromaticity of the Eu3 + reached its highest in case of mixing Gd3 + , 21mol % , into Thenardite ( Na2SO4 : Eu ) crystal lattices , and Concentration quenching effect ultimately occurred .

当Gd3+以21mol%掺入到无水芒硝（Na2SO4：Eu）晶格中时，可以达到Eu3+的最强发光强度和最佳色纯度，最终出现浓度淬灭现象。

The 5d → 4f emission of Dy3 + in VUV band was directly observed and its intensity was found decreasing with the increase of Gd3 + , which indicates that the Gd3 + takes away the energy of 5d high spin excitation state of Dy3 + .

直接观测到了Dy3+在真空紫外波段的5d→4f发射，发现随着Gd3+含量的增加，Dy3+的5d→4f发射迅速减弱，这表明Gd3+的存在分流了Dy3+5dHS激发态的能量。