查询词典 alkaline earth

In this thesis, the strength of hydration for different alkaline and alkaline earth ions was obtained quantitatively by MD simulation.

本论文通过分子动力学模拟对碱金属和碱土金属离子水化强弱的进行了定量描述。

In the third chapter, the cooperative effects of alkaline earth metal ions and EDTA on the corrosion inhibitor of pure aluminum in alkaline solutions were investigated.

第三章中，作者研究了碱土金属离子与EDTA对纯铝在碱性溶液中的缓蚀作用。

Miniaturization of hydroxide of alkaline-earth metal and solubility of salt, flame reaction of alkaline-earth metal ions, separation and identify of alkaline-earth metal ions was investigated.

系统探讨碱土金属氢氧化物及其盐的溶解性、碱土金属元素的焰色反应、碱土金属离子的分离和鉴定等微型化实验，并将其设计成新的微型实验应用于无机化学实验教学，效果良

The effect of alkaline metal, alkaline-earth metal or rare-earth metal oxides doping to Pd/γ-Al〓O〓 on the properties of supported palladium catalysts were investigated.

研究含氧条件下单Pd催化剂上进行丙烯选择催化还原NO的反应，考察浸渍法制备的Pd/γ-Al〓O〓催化剂中加入碱或稀土金属氧化物助剂对NO转化率的影响，并对催化剂进行了XRD表征及在氧化气氛中饱和吸附NO后的TPD研究。

The preparation process of wool fat alkaline earth metal soap includes the saponification between wool fat and alkali of alkaline earth metal at 0.1-0.5 MPa and 70-170 deg.c in the presence of water or water and organic solvent.

一种羊毛脂碱土金属皂的制备方法，包括：在0.1～0.5MPa的压力和70～170℃的温度下，在水或水与有机溶剂的存在下，将羊毛脂与碱土金属的碱进行皂化反应。

The composition comprises: 35 to 65 wt % of an anionic detergent or surfactant selected from alkyl benzene sulphonic acids, alpha olefine sulfonates, long chain fatty acid sulphates, higher fatty acids, as well as the alkali metal and alkaline earth metal salts thereof, and natural detersive agents, and mixtures of any of these; 3 to 15 wt % of a non-ionic detergent or surfactant selected from alkoxylated alkyl phenols and alkoxylated fatty alcohols; 5 to 10 wt % of a water-swellable cellulose derivative or a salt thereof, wherein the cellulose derivative exhibits a viscosity of at least about 1500 cps, measured in a 1 % aqueous solution at 25 DEG C with a Brookfield viscometer having spindle 3, speed 30rpm, factor 40 for viscosities of 2500-3500 cps; 6 to 20 wt % of a solubility regulator selected from alkali metal and alkaline earth metal chlorides, carbonates and sulphates, aluminosilicates and starch; and 0 to 20 wt % of a fragrance or perfume in solid, liquid or microencapsulated form.

该组合物包含：a35―65％重量的阴离子洗涤剂，其选自烷基苯磺酸、α－链烯烃磺酸盐、长链脂肪酸硫酸盐、高级脂肪酸以及其碱金属和碱土金属盐和天然的去污剂，和任何这些组分的混合物；b）3―15％重量的非离子洗涤剂，选自烷氧基化烷基酚和烷氧基化脂肪醇；c）5～10％重量的水可溶涨的纤维素衍生物或它们的盐，其中纤维素衍生物按1％水溶液在25℃下用Brookfield粘度计（3号转轴，转速30rpm，2500―3500cps粘度的因子是40测定；具有粘度至少约1500cps；d）6―20%重量的溶解性调节剂，选自碱金属和碱土金属氯化物、碳酸盐和硫酸盐、硅铝酸盐和淀粉；和e）0～20％重量的为固体、液体或微囊包封形式的香精。

The characteristics of deoxidization of alkaline-earth metals -contained compound alloys has been introduced in this paper, conclusion can be drawn that it will be promising developing alkaline-earth metals -contained alloys which can be applied in purified steel manufacture.

介绍了碱土复合合金的脱氧特性，指出开发适用于纯净钢的碱土金属复合合金有重要的应用价值。

Alkaline-earth metals have single ground state; the laser cooled alkaline-earth metals are idea system for accuracy spectroscopy and optical frequency standard.

碱土金属原子三重激发态具有很长的寿命，其跃迁频率的稳定度和精确度都很高，因此激光冷却的碱土金属原子是进行精密光谱和光频标研究的理想体系。

A series of single host white emitting phosphors which are alkaline-earth metals halogensilicate phosphors Ba2SiO3Cl2:Eu2+,Mn2+ and alkaline-earth metals aluminasilicate phosphors Ba3MgSi2AlxOy: Eu2+, Mn2+ doping different ions have been synthesized through high temperature solid-phase method.

通过高温固相法合成了一系列不同离子掺杂和激发的碱土金属卤硅酸盐Ba2SiO3Cl2：Eu2+， Mn2+和碱土金属铝硅酸盐单一基质白光荧光粉Ba3MgSi2AlxOy ：Eu2+，Mn2+。

Alkaline earth sulfides MS, alkaline earth selenides MSe, MS1-xSex,gallium sulfide Ga2S3, oxysulfide MLaGa3OS6, complex sulfides MGa2S4 and Ba2ZnS3 doped with rare earth ions Eu2 , Ce3 , Tb3 , Ho3 , Tm3 were synthesized and their spectroscopic properties were studied.

合成了掺Eu2 ， Ce3 ， Tb3 ， Ho3 ， Tm3 等稀土离子的碱土硫化物MS，碱土硒化物MSe，碱土硒硫化物MS1-xSex，硫化镓Ga2S3，氧硫化物MLaGa3OS6，和复合硫化合物MGa2S4， Ba2ZnS3，并研究了它们的光谱性质。

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。