离子结构

Structural characteristics and sorptive behaviors and mechanisms for heavy metal cations of bentonite are analysed.

分析了膨润土的结构性质和它对重金属离子的吸附机理。

The results showed that the cofactors — important parts of the enzyme's machinery — are all located on the inner side of the membrane, which corresponds to the "intake" port of the ion pump.

结果显示酶结构的主要部分辅助因子都位于膜的内部，这符合离子泵的泵入作用机制。

Field investigations on reinforced concrete structures in Qinghai salt lake region discovered that corrosions of concrete and steel reinforced concrete were particularly serious and universal.

第二章简要介绍了我国盐湖地区的环境气候条件，针对典型盐湖卤水中含有的对混凝土产生物理化学腐蚀的侵蚀性离子浓度，重新划分了盐湖卤水的类型，现场考察了混凝土与钢筋混凝土结构在青海盐湖地区的腐蚀与破坏现状。

X=0, 11, 22, 33, 44, and 55 borophosphate glasses series have investigated, and it is found that:(1) both the covalency bonding between Yb〓 ion and oxygen ion and the asymmetry in local structures surrounding Yb〓 ion have strong effects on integrated absorption cross section ∑〓 and emission cross section σ〓 of Yb〓 ion in borophosphate glasses;(2) the borophosphate glasses and borate glasses appear superior as Yb-gain media to the phosphate glasses, although the phosphate glasses have been demonstrated as the most appropriate Ndgain media.

在第二章中，我们对〓（x=0，11，22，33，44，和55）系列的掺Yb〓硼磷酸盐玻璃的吸收光谱和发射光谱特性进行了研究，结果表明：（1）在硼磷酸盐玻璃中，Yb-O键的共价键成分和Yb〓离子周围的近邻结构的对称性两个因素对积分吸收截面∑〓和受激发射截面σ〓的影响都很大；（2）尽管磷酸盐玻璃是最合适的掺钕激光增益基质，但是作为掺镱的激光增益基质，硼磷酸盐玻璃和硼酸盐玻璃都要优于磷酸盐玻璃。

After the sodium in titantes was substituted completely by hydrogen ion in dilute acid and annealed, nanostructured titanium dioxides anatase, TiO2(B and rutile retained the morphologies in titante state were obtained.

将产物以稀酸溶液进行完全的氢离子取代并加以热处理后，可得到维持原来钛酸盐阶段形貌的二氧化钛(锐钛矿、B型二氧化钛或金红石相)奈米结构。

The effect of calcining temperature and content of dopants on crystal structure, crystal size and property of modified TiO〓 nanoparticles is investigated.

重点考察了焙烧温度及金属离子的掺杂浓度对改性TiO〓纳米粒子晶型结构、晶粒尺寸及性能的影响。

The influence of dopants on the scintillation properties of PWO crystals was systematically studied, and main attention was focused on the relationship between the crystal components, structure and their properties.

本论文较系统的研究了掺杂离子对PWO晶体闪烁性能的影响，讨论了掺杂晶体组成、结构和性能等方面的关系。

The structures of the isomers were assigned by using 2D NMR techniques such as gCOSY. Comparing to the eluates from the chromatographic column, the first band contains the m2, the second band contains the ml.

利用一维及二维核磁共振(2D NMR)技术，结合三元胺中吡啶环的磁屏蔽效应，对两个异构体在溶液中的结构进行了解析，对应于Dowex 50Wx 2柱色层分离的第一包带的H离子为n2(cmen的2位胺基与Cl处于邻位)：第二色带的阳离子为ml。

The DLC film deposited at substrate temperature of 100癈 shows the best integrated property with carbon content of sp3 (sp 3C) bonding state up to 40% which is two times more than that in the films prepared by Americans with the same method. Accordingly, the microhardness is up to 30Gpa, and friction coefficient and optical band gap decrease to 0.10 and 1.76eV respectively.

在HIPIB轰击材料表面方面，本文选择成分由C~(30％)和H~+(70％)组成、加速电压为250KV、脉冲宽度为80～100ns的HIPIB对高速钢(W6Mo5Cr4V2)进行表面辐照处理，研究离子束流密度和脉冲次数对高速钢微观结构和宏观性能的影响，探讨了HIPIB与材料表面相互作用的物理机制。

The chemical structure, thermal properties and liquid crystalline character of liquid crystalline ionomers were analyzed with FT-IR, POM, DSC and WAXD, the result shows the ionomers have the same structures-nematic texture-with the previous polymers before ion monomer was added.

利用红外光谱分析对其结构进行了表征，采用偏光显微镜、示差扫描量热仪和广角X射线衍射等手段对其液晶性能进行了表征。结果表明：各离聚物与原没有加入离子单体的聚合物具有相同的织构，均为向列型液晶。

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。