Group theory analysis of lattice vibrations and Raman spectra of the single crystal of barium metaborate

1、

Phase Transition and Growth of High and Low Temperature Phase of Barium Metaborate Crystals

高低温偏硼酸钡晶体的相变和生长

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2、

Lattice vibrations of barium metaborate(β-BaB2O4) crystal are analysed with the aid of group theory.

本文对新型紫外倍频晶体偏硼酸钡（β-BaB2O4）的晶格振动进行了群论分析。

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3、

Using barium hydroxide octahydrate and urea as raw material, barium carbonate is prepared by homogeneous precipitation method.

以工业氯化镁和硫氢化钡为原料，采用复分解法合成高纯氢氧化镁。

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4、

Abstract The barium hydroxide was produced by the reaction of raw material barium sulfide with the copper oxide in water.

以硫化钡为原料，在水溶液中与氧化铜反应，生成氢氧化钡。

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5、

This paper introduces two new methods for sweet water depuration in glycerin production the method of sodium aluminate and barium hydroxide.

本文介绍甜水净化处理的两种新方法：偏铝酸钠法和氢氧化钡法。

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6、

Present status of barium hydroxide production

氢氧化钡产品生产现状

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7、

Application of Microwave Heating Technique in Dehydration of Barium Hydroxide

微波技术及其在Ba（OH）2·8H2O脱水中的应用研究

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8、

Barium hydroxide whose content is less than 1.0% replacement of cement by mass can suppress the sulfate attack damage for concrete.

其中，掺量小于1.0%的氢氧化钡能改善混凝土的抗硫酸盐侵蚀性能。

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9、

While cathodic active materials were prepared by the mixture of zinc oxide and barium hydroxide, barium hydroxide changed into barium carbonate by combining with carbon dioxide which was dissolved in electrolyte and zinc oxide could not combine with barium hydroxide and dissolved in electrolyte quickly.

锌负极活性物质为氧化锌和氢氧化钡混合物时，氢氧化钡与溶于电解液中的二氧化碳复合成碳酸钡，氧化锌不能与氢氧化钡复合，很快溶于碱性电解液中。

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10、

The diagnosis could be confirmed by barium enema.

诊断有赖于X线钡灌肠检查。

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11、

The Clinical Application of Improving the Intubation Technique of the Small Intestinal Barium Enema

小肠钡剂灌肠插管技术改进的临床应用

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12、

Double Contrast Barium Enema and Its Value in Diagnosis of Colonic Diseases

结肠双重对比造影及其应用价值

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13、

All patients underwent low tension double contrast barium enema.

所有病例均行低张双对比灌肠造影。

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14、

Diagnosis was made in 25 cases by barium enema.

25例经X线钡剂灌肠透视确诊。

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15、

Results The Diagnosis was made mainly by the barium enema examination.

结果主要依靠钡剂灌肠X线检查诊断。

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16、

Materials and Methods: Barium enema and X-ray examination for 18 cases of patients.

材料与方法：18例患者均行钡剂灌肠X线检查。

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17、

New production technology of barium fluoride and intermediate product barium fluosilicate

氟化钡及中间产物氟硅酸钡生产新工艺

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18、

The effects of isocorydine on the action potentials of rabbit sinoatrial node and guinea pig ventricular muscles as well as the spontaneous electrical activity induced by barium ion in ventricular muscles were studied with intracellular microelectrodes.

用细胞内固定微电极技术观察了异紫堇啡碱（isocorydine）对家兔窦房结电活动、豚鼠心室肌动作电位及Ba~（2+）诱发的豚鼠心室肌自发电活动的作用。

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19、

The study found that the two compounds can be used as fluorescent sensors to detect barium ion. 5.

研究发现这两种化合物可以作为检测钡离子荧光传感器。

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20、

Leaching law of barium ion in wastage containing barium

钡渣中钡离子的淋溶释放规律

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