查询词典 alkaline

Based on the features of alkaline-earth metals ,this paper aims to analyze the function of such elements as Be,Ca,Sr,Ba in magnesium alloys.

并着重指出镁合金中碱土金属间的交互作用以及碱土金属于非碱土金属间的交互作用，从而探究碱土镁合金的开发之路。

And the catalytic activity for NO decomposition was also tested. At the same time, H2-TPR measurement was performed to explore the effect of substituting alkaline-earth metals for La on redox-capability, which resulted in the change of catalytic capability.

考察了该系列催化剂催化分解NO的活性，并利用H2-TPR技术研究了不同碱土元素取代时对复合氧化物催化剂的氧化还原能力的影响，从而影响了样品的催化性能。

In addition, a series of analyses about theoretical principles of HMI removal by WBAER from DK with alkali metals, alkaline-earth metals and anions at high concentration and regeneration of WBAER, have been analyzed.

同时本文还对弱碱性阴离子交换树脂从高背景的常规阳离子和阴离子中有选择性地去除饮用水中微量重金属离子及其再生的机理进行了一定的探讨。

By means of static and dynamic experiments, lots of research on the effect of micro-quantity heavy metal ions removal by weakly basic anion exchange resins from drinking water with alkali metals, alkaline-earth metals and anions at high concentration, has been done.

本文采用静态和动态两种试验方法，对弱碱性阴离子交换树脂在碱金属、碱土金属离子以及阴离子相对较高浓度的背景下去除饮用水中微量重金属离子（以Hg2+为研究处理对象）的效果进行了大量试验研究。

The results showed that the addition of oxides and carbonates of some alkaline-earth metals in sulfur fixation reagent will enhance the decomposition temperature of CaSO4 by more than 50℃, which confirmed the effect of these additives on prohibition of CaSO4 decomposition.

结果表明，氧化物系列和碱土金属碳酸盐系列复合固硫添加剂均比CaO单独使用时使CaSO4推迟50℃多分解，对固硫产物CaSO4晶体在高温下的分解有明显的抑制作用。

We explore theoretically the feasibility of functionalizing carbon nanostructures for hydrogen storage, focusing on the coating of C60 fullerenes with light alkaline-earth metals.

文章从理论上研究了轻碱土金属覆盖的富勒烯作为储氢介质的可行性。

In a word, WBAER can effectively remove micro-quantity HMI from DK with alkali metals, alkaline-earth metals and anions at high concentration.

最后得出结论：应用弱碱性阴离子交换树脂能在碱金属、碱土金属离子以及阴离子相对较高浓度的背景下有效地去除饮用水中的微量重金属离子。

According to the researches, in order to obtain HP295 steel of high quality, the followings are some measurements and suggestions: optimizing the operation of Ar blowing to help the floating of the inclusions; strengthening the protective casting to avoid the second oxidization; taking rare earth treatment or alkaline-earth metals treatment to improve the distribution and the morphology of inclusions.

根据本研究结果，为了提高HP295钢质，在目前武钢的工艺条件下，减少和改善钢中非金属夹杂，可采取的措施有：优化吹氩工艺，促进夹杂去除；加强对钢水的保护，避免二次氧化；对钢液进行稀土或碱土金属处理以改善夹杂物分布和存在形态等。

The substitution of alkaline-earth metals for Ni improves the photocatalytic activity of MNb2O6. After UV irradiation for 10h, the concentrations of RhB/SrNb2O6 suspension and RhB/BaNb2O6 suspension are degraded to 21% and 37%, respectively.

结果表明，碱土金属Sr、Ba对NiNb2O6中Ni的取代能很好地提高铌酸盐的光催化效果，在10h紫外光照射下能分别将RhB的浓度降解到原来的21%和37%。

Two complexes of alkaline-earth metals perchlorate with phenyl-acetylmethylene sulfoxide(C6H5SOCH2 COCH3) have been synthesized and characterized by elemental analysis and IR spectra.

本文选取苯基乙酰甲基亚砜(C6H5SOCH2COCH3)作为配体与碱土金属的高氯酸盐反应得到配合物的单晶，对它们进行了元素分析及红外光谱表征，它们的化学式为[ML6](ClO4)2(M=Ca、Sr；L=C6H5SOCH2COCH3)。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。