A white toxic powder obtained by heating barium oxide in air.

  • 一种白色的有毒粉末,通过加热空气中的氧化钡而得到。
  • 来源:互联网摘选更新时间:2026-07-13 07:53:50

  • 重点词汇
  • obtainedv.获得( obtain的过去式和过去分词 );买到;(规则、制度、习俗等)存在;流行;
  • heatingn.供暖;供暖系统/设备;
  • barium oxide氧化钡;
  • inprep. 在里面;在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入
  • aart. 一(个);每一(个);任一(个),用于辅音音素开头的单词前
  • byprep. 在…旁边;表示方式;由于;经过;到…之前;
  • whiteadj.白的;白种人的;(咖啡)加奶的;善意的;
  • toxicadj.有毒的;中毒的;因中毒引起的;
  • 相关例句
1、

White poisonous crystals; made by dissolving barium oxide in water.

白色有毒晶体,将氧化钡溶于水中制成。

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2、

When the content of 3wt% silane-treated barium glass filler reached 40wt%, simultaneously added 3wt% nano-sized silic into resin matrix, the experimental composite obtained optimal mechanical properties and suitable viscosity. 5.

当3wt%硅烷偶联剂处理后的钡玻璃填料在树脂体系中含量达到40wt%,同时加入3wt%的二氧化硅纳米填料,可以获得较佳的复合树脂力学性能和适合的树脂体系粘度。

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3、

Results The relationship tallied with negative linear correlation between the K-M function values of the isolated OH-groups on the barium glass surface and the concentrations of γ-MPS.

结果钡玻璃表面游离羟基的K-M函数值与γ-MPS质量分数存在负相关的直线相关关系。

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4、

Conclusions: The absorption behavior of a silane coupling agent γ-MPS was revealed on the barium glass surface, which provided the theoretical basis for the development of dental composite resins.

结论:揭示了硅烷偶联剂γ-MPS在钡玻璃表面的吸附特征,为新型复合树脂的研究和开发提供理论依据。

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5、

Results: When the concentration of γ-MPS was low, the γ-MPS molecules oriented either parallel or perpendicularly onto the barium glass surface.

结果:γ-MPS低浓度时,分子在钡玻璃表面的吸附既有垂直取向又有平行取向;

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6、

Each γ-MPS molecule occupied 0.21 nm~ 2 when the monomolecular coverage was formed on the barium glass surface.

γ-MPS在钡玻璃表面单分子层覆盖所占据的面积为每分子0·21nm2。

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7、

Effect of concentration of silane coupling agent on bonding strength of barium glass to resin matrix

硅烷偶联剂的浓度对钡玻璃与树脂基质间粘接强度的影响

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8、

Study of adsorption mechanism of the silane coupling agent onto the surface of barium glass

硅烷偶联剂γ-MPS在钡玻璃表面吸附机制的研究

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9、

The new technology of preparing analytical purity barium chloride

试剂级氯化钡的制备新工艺

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10、

Hot barium chloride solution burn complicated with poisoning: A case report

氯化钡烧伤合并中毒死亡一例报告

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11、

Design of the Evaporator Applied to Producing Barium Chloride under Vacuum

真空制氯化钡蒸发器的设计

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12、

The Application of Barium Chloride in the Qualitative and Quantitative Analysis of Mixed Base

氯化钡法用于混合碱的定性及定量分析

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13、

Study on the Producing Technology of Barium Chloride

氯化钡生产工艺的研究

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14、

So the economic benefits could be remarkably improved when using self-produced liquid barium chloride.

因此使用自产液体氯化钡可显著提高企业的经济效益。

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15、

Production of 5 000 t/ a liquid barium chloride

5000t/a液体氯化钡的工业化生产

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16、

DETERMINATION OF SULPHUR IN FLUORITE& Barium Sulphate Gravimetry with Chromatography Separation

氟石中硫的测定&色层分离硫酸钡重量法

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17、

Study for the Effects and Mechanisms of Barium Sulphate on the Formation of Alkali-Containing Clinker

硫酸钡对含碱水泥熟料形成和性能的影响

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18、

Preparation of Barium Sulphate Nanoparticles by Liquid Precipitation

硫酸钡纳米粉体的液相合成方法

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19、

Particle geometrical features and ζ-potential of precipitated barium sulphate

沉淀硫酸钡颗粒几何特性及表面ζ电位分析

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20、

Research on the Producing Technology of Barium Sulphate by the Bittern Water

卤水法生产硫酸钡技术研究

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