离子的

Thus, a systematic study of the chromium-doped forsterite, both in theory and experiment, is of importance, not only to the explanation of the emission mechanism of the crystal, but also to the revaluation and utilization of the characteristics of Cr ions as well.

因而，从理论和实验上对Cr：Mg〓SiO〓晶体进行系统的研究，不仅对解释该晶体的发光机理，而且对重新认识铬离子的特性乃至发掘其潜力，都有重要的意义。

The heterogeneously sulfonation products not only own the properties of reacting promptly and high sulfonation degree, but also have good performance in decreasing interface tension and tolerance to calcium ion.

多相磺化产品不仅有反应迅速、磺化度高的特点，在降低界面张力及对钙离子的容忍能力方面亦有不俗的表现，充分说明改变反应体系是具有巨大实用意义的。

The experiment proves that as the method of the invention is adopted, the irradiancy of rare-earth ions can produce the reinforcement of order of magnitude, which can be compatible with the semiconductor industry; the invention has the advantages of convenient and rapid operation, low cost, mild preparation condition, good technique repeatability and obvious effect and can be fully applied to future silicon based photoelectron field.

实验证明，采用本发明的方法可以使稀土离子的发光产生数量级的增强，可以与半导体工业相兼容，具有操作方便、快捷、成本低廉、制备条件温和、工艺重复性好、效果明显等优点，完全可以应用于未来的硅基光电子领域。

Surface waxes of the pericarp were observed by scanning electron microscopy; the structure and composition of cell wall were studied using light microscopy, transmission electron microscopy and Fourier transform infrared microspectroscopy respectively; the changes of calcium in the cell wall were determined by atomic absorption and the integrity of cell membrane by conductivity meter respectively.

本论文采用扫描电子显微镜研究果实表皮蜡层的变化，用光学显微镜、透射电子显微镜和傅里叶变换红外光谱仪研究果实细胞壁结构和成分的变化，用原子吸收分光光度计测定细胞壁钙离子的变化，用电导率仪检测果实细胞的完整性。同时测定了果实酚类物质含量、多酚氧化酶(EC 1.10.3.1)活性、过氧化物酶(EC 1.11.1.7)活性，并分析了果实硬度、糖和酸含量等品质指标。

Firstly, the piezoelectric properties of Na_(1-xK_xNbO_3 based ceramics around morphotropic phase boundary were studied.

首先，研究了Li_xNa__(0.52-xK_(0.48)NbO_3系列陶瓷样品在准同型相界附近的压电性能，Li离子的加入并不改变陶瓷的物相结构，体系陶瓷仍为纯的钙钛矿结构。

These experimental phenomena could be well explained by the dynamic rate equations of the Er3+-Yb3+ system.It was concluded that the up-conversion properties in the oxyfluoride glass-ceramic were mainly influenced by the strong back transfer process between Yb3+ ions and Er3+ ions.

用Er3+-Yb3+系统的动力学平衡方程解释了这种现象，在氟氧化物玻璃陶瓷中稀土离子的上转换发光主要是受Er3+和Yb3+之间较强的背向能量传输过程影响的。

An insoluble calcium salt of stearic acid and palmitic acid; it is formed when soap is mixed with water that contains calcium ions and is the scum produced in regions of hard water.

硬脂酸和棕榈酸的不溶的钙盐，在肥皂与含有钙离子的水混合时形成，是硬水地区产生的浮渣。

The decolorization mechanism,which comprises the formation of unstable compunds with hydrolytic aluminium ions and ferric ions and conglomerating with polysilicic acid in the flocculant,was proposed.8figs.,1tab.,12refs.

PSAAF的脱色机理是水合铝、铁离子的凝聚作用和聚硅酸的絮凝而产生的共沉淀。图8，表1，参12。

The small but infinite amplitude dust acoustic wave DAW in a collisionless , unmagnetized two ion temperature cold dusty plasma has been studied .

论文第二章研究未磁化的，无碰撞的，双温度离子的冷尘埃等离子体中的有限小振幅尘埃声波。

In this paper, the corrosion behavior of stainless steel solar hot water tank in chloride medium was investigated based on anatomizing as well as wacro and micro examination of sampled products.

该文通过对不同地区使用中的不锈钢太阳能贮热水箱选取解剖，进行宏、微观检验，研究探索了常年处于含氯离子的水介质中的不锈钢热水箱最常见的腐蚀类型及规律。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。