查询词典 alkaline earth

CALORIMETRIC TITRATION FOR COORDINATION REACTION OF 2, 3-BENZO-8, 11, 15-TRIMETHYL-18-CROWN-6 WITH ALKALI AND ALKALINE EARTH METAL IONS

若干碱金属及碱土金属离子与2，3-苯并-8，11，15-三甲基-18-冠-6配位反应的量热滴定研究

Arenedisulfonates have much stronger coordination ability to alkali, alkaline earth than to transition metal ions.

芳烃二磺酸根离子与碱金属离子和碱土金属离子的配位能力比过渡金属离子强。

The effect to rate of production of the reaction active of different alkaline earth, the reaction efficiency of different low-carbon alcohols and reaction time were investigated.

考察了不同碱土金属、不同低碳醇及反应时间对醇盐产率的影响。

In some embodiments, the alkaline earth chloride may comprise calcium chloride, barium chloride, or combinations thereof.

在某些实施方案中，所述碱土金属氯化物可包括氯化钙、氯化钡或它们的组合。

In US 4,533,387 a process is disclosed for reducing halides of alkali and alkaline earth metals with gallium, indium or thallium.

在US 4，533，387中公开了用镓、铟或铊还原碱金属和碱土金属卤化物的工艺。

The electrode has a highly selectivity for silver ion over alkali, alkaline earth and common transition metal ions.

该电极可作为测定维生素B1药片中维生素B1含量的电位滴定指示电极和水样中银离子含量的直接测定。

It is found that in the series of alkaline earth borates the four points of 〓,〓 and SrB〓O〓 are on the same line, but the points of 〓 and BaLiBO〓 deviate from this line.

在碱土硼酸盐系列晶体中〓，〓和SrB〓O〓四种晶体所对应的点处在同一条直线上，而〓和BaLiBO〓晶体所对应的点并没有处在这条直线上。

Some works were also made on effect of alkaline-earth metal salts on mortar strength and cement setting.

此外，同样研究了碱土金属盐对砂浆强度和水泥凝结时间的影响。

A soft, silvery-white alkaline-earth metal, used to deoxidize copper and in various alloys.

钡：一种柔软，银白色的碱土金属，用来还原铜并用于各种合金。

It was found that cyclic peptide 23shows higher transport activity for the studied alkali and alkaline-earth metal ions thancompound 24, which is related to the backbone flexibility of the cyclic peptides.

研究了在这两种环肽的存在下，碱金属和碱土金属离子穿越二氯甲烷液膜的过程。

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。