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The afterglow of the 4f-4f and charge-transfer transition of the trivalence rare earth ions has been prepared by the incorporation of the RE〓 into Y〓O〓S host.

我们同时也合成出了具有纳米管和纳米棒状的准一维铝酸盐纳米结构。并在中等带隙ZnO（3.3eV）半导体中掺入稀土离子来对其纳米结构的生长形貌和光致发光性能进行调制。

One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina

这样的晶体有一种叫"红宝石"，它包含的三价铬离子弥散在氧化铝的基体中。

In comparison with dendritic silver growth 1, the experimental results show that the growth of silver is leading and can not be changed essentially by tungstate ions in Ag-W binary system.

通过与树枝Ag生长 [1]的比较，实验表明在Ag-W二元体系中Ag的生长为主导，而且不受钨酸根离子大的影响。

Management of the turbidness in yellow wine are as follows: firstly, we should produce quality wine and prolong the fermentation period so that the microbes could be dissolved completely; the optimal storage period is 2～3 year for natural sedimentation; remove the turbidness; the best wine－boiling temperature is 80～85℃; the production facilities should be stainless to avoid the turbidness caused by metal ions; furthermore, we could remove the turbidness by the methods of refrigeration and addition of clarificant etc.

解决黄酒浑浊问题首先要酿好酒，延长发酵期，分解微生物完全彻底；存贮期以2～3年为好，起自然沉淀作用；割除酒脚；煮酒温度掌握在80～85℃；黄酒生产设备应采用不锈钢，避免金属离子产生沉淀；此外，可通过冷冻处理、添加澄清剂等方法除去浑浊沉淀物。

They can be chosen as a organic urea enzyme inhibitor.3 The adsorptive effect of some additive that the power of zeolite is ,which can adsorb big molecules and ions, is regard as a good additive.4 The adsorptive effect of some bond indicated that HA of turfy soil and CMC were both good bonds.

缓释氮肥PCF、磷钾肥和硝化抑制剂双氰胺进行三因素五水平的二次通用旋转组合模型设计：对于油菜硝酸盐在生育期内的动态变化规律来说，PCF、磷钾肥和双氰胺过高、过低都不利于油菜的正常生长，中量水平处理时较好。

This may be because that the metal ions in calf intestine AKP is more close to the surface of enzyme molecule than in Ulva pertusa kjellm , EDTA can exerted inhibitory effect on the AKP from calf intestine more easily and quickly.

这可能是由于小牛肠碱性磷酸酶活性位点的金属离子相对于孔石菇碱性磷酸酶的活性伍点来说突出在酶大分子的表面，EDTA容易与之发生络合作用，从而快速对小牛肠AKP产生抑制作用。

In order to investigate the long-term effect of mulch-drip irrigation on the chemical properties of salt-affected soils by the method of time-space transformation. The characteristics of salinity and salt ions distribution in 0～150 cm soil profile in the fields with corn planted for one year and two years. At the same time, the uncropped saline waste land adjacent to the experimental site was taken as the control.

为了研究长期覆膜滴灌对土壤化学性质的影响，该文通过时空转化的方法研究了覆膜滴灌种植春玉米1a和2a的盐碱地土壤盐分及盐分离子在0～150 cm土壤剖面上的分布特征，同时以试验地附近未种植的盐碱荒地作为对照。

The results show that the possible reasons of the catalyst deactivation are as follows : the suspended substances such as slightly soluble dyes in the wastewater and uncrystallized c produced in the potocatalytic reaction are adsorped on the surface of TiO2 ;some inorganic ions occupy the active center of photocatalyst, or precipitate on its surface ;the supported quantity of TiO2 decreases with long time use and repeated washing.

实验结果说明，催化剂活性下降的主要原因有：废水中不溶于水的染料等悬浮物和催化反应中产生的无定形碳在催化剂表面的吸附；高含量的无机离子对催化剂活性位的占据或在表面的沉积；长时间的使用和反复冲洗使TiO2负载量减少。

Water can be changed into ice or steam under certain cond IT ions.

水在一定的条件下可以变成冰或蒸汽。

The metal ions transferred not only in the perpendicular direction but also in the horizontal direction with the flow of surface runoff and underflow.

尾砂在风化氧化过程中释放出的金属离子不仅向下迁移，也随地表径流和潜水流动在水平方向产生一定迁移。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。