查询词典 ions
- 与 ions 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The complexing properties of compounds 10a, 10b, 11a and 11b toward alkali metal ions were studied by 〓H NMR titration, ESI-MS, UV-Vis spectra, Fluoresence spectra and liquid-liquid extraction. The results show:(1) the 1:1 complexes were formed.(2) The calix-crown 10a, 11a have a higher selectivity for Na〓 ions, whereas 10b, 11b for K〓 ions.(3) The complexing ability toward alkali metal ions was enhanced when the calix-crown have side arm carbonyl.(3) The coordination of alkali metal ions toward phenoxy, carbonyl and crown ethereal oxygens take place by rotation around the carbon-carbon bond of carbonyl and methylene.
六,用〓H NMR滴定,ESI-MS,UV-Vis,Fluorescence,液-液萃取实验研究了10a,10b,11a和11b对金属离子的配位性质,研究结果表明:1)杯芳烃冠醚衍生物同碱金属离子形成了1:1配合物,化合物10a、11a对Na〓具有较高的配位能力,化合物10b、11b对K〓具有较高的配位能力;2)在杯冠醚环的旁边引入带有羰基氧原子的基团作为侧臂参与配位可以加强对碱金属离子的配位能力;3)金属离子分别同苯酚氧,羰基氧,聚氧醚链氧发生了配位,配位过程中侧链基团涉及到了羰基碳与亚甲基碳的碳碳键的旋转过程。
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Transition probabilities, oscillator strengths, and lifetimes of configurations, multiplets, and individual lines for many-electron atoms and ions are studied employing the WBEPM theory. Transition probabilities and oscillator strengths for alkali metal atoms, alkaline-earth elements Be, Mg, Be , and Mg , carbon atoms and its ions , nitrogen atom and its ions , oxygen atoms and its ions , fluorine atom, Ne , and IB elements are calculated. Lifetimes of C, N, and O atoms are evaluated as well.
运用WBEPM理论对多电子原子和离子的组态、谱项和能级间的跃迁几率、振子强度以及辐射寿命进行系统地研究,计算了碱金属原子、碱土金属的Be、Mg原子及其一价离子、C原子及其离子、N原子及其离子、O原子及其离子、F原子、Ne离子和重金属IB族原子的跃迁几率和振子强度以及C、N、O原子的辐射寿命。
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We review the effect of rare earth ions on bone metabolism as the following three aspects:(1) effect of rare earth ions on differentiation and function expression of osteoblasts and osteoclasts;(2) effect of rare earth ions on the osteogenic and adipogenic differentiation of bone marrow stromal cells;(3) effect of rare earth ions on bone mineral phase of animals.
本文回顾了稀土离子对骨代谢影响的研究进展,探讨了其药用和安全性问题,主要从以下三个方面进行综述:(1)稀土离子对成骨细胞和破骨细胞的分化和功能表达的影响;(2)稀土离子对骨髓基质细胞成骨分化和成脂分化的影响;(3)稀土离子对动物骨矿物相的影响。
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We review the effect of rare earth ions on bone metabolism as the following three aspects:(1)effect of rare earth ions on differentiation and function expression of osteoblasts and osteoclasts;(2)effect of rare earth ions on the osteogenic and adipogenic differentiation of bone marrow stromal cells;(3)effect of rare earth ions on bone mineral phase of animals.
本文回顾了稀土离子对骨代谢影响的研究进展,探讨了其药用和安全性问题,主要从以下三个方面进行综述:(1)稀土离子对成骨细胞细胞和破骨细胞的分化和功能表达的影响;(2)稀土离子对骨髓基质细胞成骨分化和成脂分化的影响;(3)稀土离子对动物骨矿物相的影响。
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The metal ions of the dinuclear copper complex of [Cu_2_2Cl_4] are linked by two N~1,N~2 1,2,4-triazole bridges,and the central Cu ions have distorted trigonal bipyramid geometries. The central Cu ion of [CuL22]·H2O has a centrosymmetric and distorted tetragonal-octahedral geometry. The metal ions of the dinuclear manganese complex of [Mn_2L_2_2Cl_2(H_2O)_2] are bridged by two chlorine atoms, and the central Mn ions have distorted tetragonal-octahedral geometries. Part III.
配合物[Cu_2_2Cl_4]是通过配体L的1,2,4-三唑环上两个氮原子(N~1,N~2)桥联形成的双桥双核配合物,每个中心铜离子都具有畸变的三角双锥构型;配合物[CuL22]·H_2O的中心铜离子具有中心对称的畸变八面体构型;配合物[Mn2L2_2Cl_2(H_2O)2]是通过两个氯原子桥联形成的双桥双核配合物,每个中心锰离子都具有畸变的八面体构型。
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The results of magnesium and calcium ions tolerance test indicated that the modified SPS, synthesized from the above two methods,has good chelation with magnesium and calcium ions for the crablike carboxyl and ester group and increase the reaction weight with magnesium and calcium ions for addition of hydrophilic group.Both of the two modified petroleum sulfonates could produce ultra-low interfacial tension at calcium and magnesium ions concentration lower than 600 mg/L,whereas the general petroleum sulfonates could only produce ultra-low value below 300 mg/L.
耐钙镁离子能力测试结果,以大庆炼化公司两种渣油为原料,采用上述两种合成方法制备的改性石油磺酸钠,由于产物中引入蟹爪状羧酯基,对钙镁离子有较强的螯合作用,同时增加了亲水基,增大了表面活性剂分子与钙镁离子的反应量,因而在600mg/L的钙镁离子溶液中获得10-3级的超低界面张力;而普通石油磺酸钠仅能在300mg/L的钙镁离子溶液中获得超低界面张力。
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In the chapter 4, the HPLC analyses of Uridine and Thymidine implanted by ions with high energy are done. The result shows that the dose effect curves of ions with high energy are almost the same to the dose effect curve of ions with low energy. At the beginning, the damage of implanted ions to the sample is large, with the dose increasing, the damage drops sharply.
第四章对高能离子辐照尿苷和胸苷做了HPLC分析,结果表明高能离子辐照胸苷和尿苷样品的剂量效应曲线和低能离子基本相同,都是在注入初始阶段对样品的损伤比较大,随着剂量的增大,损伤迅速减小。
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The anion-exchange ion chromatography is suitable for the separation and analysis of alkaline earth metal ions, transition metal ions and rare earth metal ions.
综述了离子色谱法分析金属离子的研究进展,对目前应用于分析金属离子的阳离子交换IC、阴离子交换IC和螯合离子色谱进行了评述。
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ResultThe results showed that it had good results of removal heavy metal ions from wastewater using chaff xanthogenate when the pH value was neutral or alkaline, the reaction temperature was 40℃. Ions concomitance was good for removal heavy metal ions.
结果]结果表明,在pH值为中性或碱性,反应温度为40℃时,谷壳黄原酸盐对重金属离子具有较好的捕集效果;离子共存有利于重金属离子的捕集。
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According to XRD analysis, the high concentration doping of dysprosium ions in Fe3O4 can not be obtained due to the difference of ionic radius, and Fe^3+ ions are replaced by only a small amount of dysprosium ions.
通过X射线衍射分析发现,由于离子半径的不匹配,Fe3O4中稀土离子的高浓度掺杂不能实现,仅有极少量的稀土离子取代了Fe3O4中的Fe^3+。
- 相关中文对照歌词
- CHI (Need To Know)
- Hardknock
- Ghetto Child
- No One's
- Child Of The Universe
- Beat Butcher Get Em'
- Road To Zion
- Problem
- Stronger Than I Was
- Open Fire
- 推荐网络例句
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"Please accept this talisman as a token of our thanks."
请收下这个护身符以表达我们的感谢。
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If I have that magic, I will be more acceptable in the society.
如果我拥有那种魔法,我将更加被这个社会所容纳。
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Annual operating companies adipate project objective is to pass the second quarter of output products, gas pipeline projects simultaneously to major petrochemical and gas production facilities to achieve safe production, is expected to achieve the main business income of 680 million yuan.
公司2009年度经营目标是己二酸项目二季度产出合格产品、输气管道项目同步向大石化供气以及各生产装置实现安全生产,预计将实现主营业务收入6.8亿元。