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- Cucurbit[6]uril adducts with metal cation and naphthylamine in the water, be a new supramolecular adducts. 在水溶液中,六元瓜环与金属阳离子及萘胺发生作用,形成一种新颖的超分子配合物。
- Metal oxides contain a metal cation and the oxide anion (O2-); they typically react with water to form Bases or with acids to form salts. 金属氧化物是含有一个金属阳离子和氧化物阴离子(O2-)的结晶固体。它们典型地与水反应生成碱,或与酸反应生成盐。
- The permselectivities of the bivalent heavy metal cation Cu~(2+), Co~(2+) , Ni~(2+), Zn~(2+) to mag-nesium ion Mg~(2+) across the home-made ELM cation exchange membrane were studied duringthe electrodialysis process. 本文研究了电渗析过程中两份重金属阳离子Cu~(2+),Co~(2+),Ni~(2+),Zn~(2+)等对基准离子Mg~(2+)透过国产聚乙烯异相阳膜的选择透过系数,它们在膜内的淌度比以及它们在膜内的选择吸附系数;
- Heats of hydration of divalenttransition metal cations. 二价过渡元素离子水化热等。
- The latest research progress in supramolecular fluorescence/phosphorescence sensors and switches used for metal cation recognition is summarized. Two types of systems were reviewed, photo-induced electron transfer and monomer-excimer systems. 摘要本文总结了近年来用于金属离子识别的超分子荧光/磷光传感器的研究工作进展，著重介绍了光诱导电子转移及单体－激基缔合物体系在金属离子识别中的应用。
- Heats of hydration of divalent transition metal cations. 二价过渡元素离子水化热等.
- Results indicated that pore size distribution of the high surface area activated carbons was strongly affected by the diameter of the metal cation and reduction activity of the metal. 结果表明：助活化剂中阳离子的半径及还原后相应金属的还原能力强烈影响着活性炭的孔分布；
- Hardness is caused by divalent metallic cations. 硬度是由一些两价金属阳离子引起的。
- Capillary zone electrophoresis(CZE) was used to determine metal cations in Longjing Tea 6mmol/L lmidazol solution was used as background electrolyte. 本实验采用毛细管电泳间接紫外检测技术测定了西湖龙井茶中金属离子的质量浓度。
- As metal cations exist, not only decarboxylation occursbut also carbonyl-oxygen bond ruptures forming carbonyl free radical. 认为由于金属阳离子的存在，有机酸盐热解时不仅发生脱羧作用，而且发生酰氧键断裂形成羰基自由基，羰基自由基的再断裂就会形成一氧化碳，而烃源岩中大量活泼的甲基自由基很容易和这些羰基自由基结合，形成大量酮-2。
- When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid... 在构造减压带中，铅锌配合物交代地层中的黄铁矿或被有机质还原而沉淀富集。
- Currently there are several sorts of antibacterial polymers such as polymers containing heavy metal cations, pyridinium and quaternary ammonium salt polymers, and N-halamine . 在众多类型的抗菌高分子材料中,卤胺型的抗菌高分子材料由于其独有的可再生性能及广谱的抗菌性,受到学术界的广泛关注。
- The effect of metal cationization agents on this kind of novel aromatic cyclic oligomers was studied and silver trifluoracetate was considered as a suitable cationization agent. 探讨了金属阳离子对此类芳香环状低聚物的影响,认为三氟乙酸银是此种芳香环状低聚物的有效阳离子剂。
- She knows why the metal is the good conductor. 她知道金属为什么是好的导体。
- Can I fasten these metal plates with rivets? 我可以用铆钉把这些金属板固定在一起吗？
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- The car was now just a pile of twisted metal. 那辆汽车已经成了一堆压缩的废铁了。
- The metal basin clattered down the stone stairs. 金属盆子沿着石阶滚了下去，发出咣啷声。
- Aluminum is a kind of light silvery metal. 铝是一种轻薄并呈银色的金属。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
