英汉词典

cation 基本解释

• n. [化学] 阳离子；[化学] 正离子
• n. (Cation)人名；(英)凯申

cation 中文词源

cata-, 向下。ion, 离子，来自拉丁词eo, 走，词源同exit(eo过去分词), commencement(eo现在分词)。

cation 英文词源

cation (n.)

1834, from Greek kation "going down," neuter present participle of katienai "to go down," from kata "down" (see cata-) + ienai "to go" (see ion). Proposed by the Rev. William Whewell (1794-1866), English polymath, and published by English physicist Michael Faraday.

cation 英文释义

1. a positively charged ion

cation 双语例句

1. Messaging allows real-time communi-cation by keyboard with up to five people at any one time.

电子信息发送能使多至5人同时通过键盘进行实时交流。

来自柯林斯例句

2. A spokesman said: "We have no comment regarding the publi-cation of these photographs."

一位发言人说，“对于这些照片的公之于众，我们不予置评。”

来自柯林斯例句

3. Cation exchange capacity generally increases with an increase in broken bonds.

通常阳离子交换量随破裂增加而增大.

来自辞典例句

4. An increase in cation exchange capacity of the tissue should be observed.

可以观察到植物组织中阳离子置换能力的提高.

来自辞典例句

5. The cation penetrates the spore.

这种阳离子能透入孢子.

来自辞典例句

cation 实用场景例句

The cation penetrates the spore.

这种阳离子能透入孢子.

辞典例句

Synthesis of methyl lactate on the cation exchange resin was studied under the different conditions.

以大孔强酸性阳离子交换树脂作催化剂,在不同条件下催化合成乳酸甲酯.

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The title compound molecuic is composed of [ ( QuinH ) 3 Cl ] 2 + complex cation and I 3 anion.

化合物分子由 [ ( QuinH ) _3Cl ] ~(2+)阳离子和Г_3阴离子组成.在配位阳离子中.

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The technology of extracting pectin from apple's pomace with D 151 H cation resin is studied.

试验以苹果渣为原料,研究了D151H阳离子树脂提取果胶的工艺技术条件.

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This invented bipolar membrane is composed of anion exchange layer, cation exchange layer and intermediate layer.

本发明属于化学工程技术领域,由阴离子交换层 、 阳离子交换层及中间层组成.

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The synthetic products have high crystallinity, purity and cation exchange capability.

合成产物纯度高,结晶好, 具有高的阳离子交换容量.

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An increase in cation exchange capacity of the tissue should be observed.

可以观察到植物组织中阳离子置换能力的提高.

辞典例句

The modern science and technology poses profound impact on medical edu cation.

现代科学技术革谬给医学教育带来深刻的影响.

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No consideration influence of lanthanide cation size on the crystal structure of the specimens was observed.

发现镧系稀土离子Ln~3+半径的变化对陶瓷样品晶体结构的影响不明显.

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Using macroporous strong acidic cation resin as catalyzeramdphenol and propylene as raw materials, alkylphenol was synthesized.

采用大孔强酸阳离子交换树脂作催化剂,以苯酚和丙烯四聚物为原料, 催化合成烷基酚.

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Secretary for trade companies mainly engaged in trade clothing, seamless steel tubes, and cation polyacrylamide products.

我司为贸易型公司主要经营外贸服装 、 无缝钢管 、 及阳离子聚丙烯酰胺产品.

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In addition , the influence of the anion and cation surfactants on the wool hydrolysis is discussed.

此外对阴、阳离子表面活性剂对羊毛水解的影响也作了初步的探讨.

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Synthesis organic cation polyelectrolyte dicyandiamide formaldehyde flocculant used in sludge treatment were studied in this paper.

研究了有机合成阳离子高分子絮凝剂双氰胺-甲醛絮凝剂在污泥处理中的应用.

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Methods Alcohol and strong acid cation exchange resin were used in the extraction and separation.

方法醇类溶剂提取法、离子交换树脂分离法.

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The valence of cation combined with nitrate had basically no influence on the nitrate vertical transport.

与硝态氮结合的阳离子价数对硝态氮的垂直运移没有影响.

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In an ionic solid, a cation – vacancy and cation – interstitial pair.

在离子固体中的阳离子-空位对和阳离子-间隙原子对.

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Main ingredients: gingko essence, fibrin, natural plant cation, vitamin B 5, elastin and etc.

主要成分: 银杏精华 、 纤维蛋白 、 天然植物阳离子 、 维他命原B5 、 弹力素等.

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However, the low exchangeable caution of cation is one of the reason about spruce death.

但是土壤阳离子代换量低可能是云杉死亡的一个因子.

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The experimental method of triphenyl methyl radical, triphenyl methyl cation and triphenyl methyl anion were reviewed.

介绍了三苯甲基自由基 、 三苯甲基正离子和三苯甲基负离子的实验方法.

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Initiate a trial of lifestyle modi? cation ( as Standard care ) with appropriate education ( see Lifestyle management ).

起始 应用生活方式改善治疗 ( 见标准治疗 ) 以及合适的教育 ( 见生活方式改善节 ).

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