The Study of Catalytic Synthesis of 1, 4-Dioxane Using SO_4~ ( 2-)/ M_xO_y-Al_2O_3 Solid Superacid Catalyst

1、

In simulating the chemical shift-concentration curves of organic solvents in the binary mixtures of water with tetrahydrofuran, dioxane, acetonitrile and triethyl phosphate, the formation constants of 1:1 and 1:2 complexes were evaluated.

本文用络合平衡及快交换的方法定量描述了磷酸三乙酯（TEP）、四氢呋喃（THF）、二氧六环（DO）和乙腈（AN）水溶液中化学位移随浓度变化的曲线。

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2、

Determination of Dioxopromethazine Hydrochioride in compound paracetamol and zinc gluconate tablets by HPLC

HPLC法测定复方氨酚葡锌片中盐酸二氧丙嗪的含量

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3、

A high performance liquid chromatographic ( HPLC) method was developed for the determination of cyadox and its metabolite desoxycyadox in swine plasma, liver, kidney and muscle.

建立了测定猪血浆及肝脏、肾脏、肌肉等组织中的喹赛多及其代谢物脱二氧喹赛多的高效液相色谱（HPL C）法。

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4、

In this paper, the synthesis of3-benzyl-6.7-methylenedioxy-3-AZO-1 ( 2H. 4H) acridine and its derivatives acridinoquinoline is reported for the first time.

本文首次报道了3苄基6、7亚甲二氧基3氮杂1（2H，4H）吖啶酮的合成及其衍生物吖啶并喹啉的合成。

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5、

The condensation compound was synthesized by 2 butene 1,4 diol and iso butyric aldehyde, and was characterized by elemental analysis and IR.

将异丁醛与1,4丁烯二醇缩合得到产物二氧七环，对产物进行了元素分析和IR分析。

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6、

The influence of the substituted groups R in ligands and potassium ion in the crown ring on formation and stability of dioxygen adducts was investigated.

考察了取代基R和冠醚环配合的钾离子对二氧加合物形成及稳定性的影响。

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7、

The present paper mainly studies the interaction between the guided optical waves ( GOWs) and magnetostatic forward volume waves ( MSFVWs) in a double layered waveguide under inclined magnetic field.

本文研究了斜向场下双层磁光薄膜波导中导波光与静磁正向体波之间的相互作用。

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8、

The results indicate that under the phase matching conditions, by varying the inclination angle of the bias field and the dimension of the microstrip transducer in the double layered waveguide, the magneto optical coupling between the GOWs and MSFVWs can be adjusted in the larger range.

结果表明，在相匹配条件下，通过改变磁场倾角、微带线的宽度和孔径，可以使导波光的衍射效率得到较大的提高。

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9、

The results indicate that the MSFVWs propagating in double layer YIG structure are appropriate for high frequency range under inclined field, and they have an optimum regulating range of delay rate superior to single film by adjusting the inclination angle of magnetic field.

结果表明，斜向场情况下在双层YIG薄膜结构中传播的静磁体波适合应用于高频范围，并且通过调节磁场倾角可以获得比单层膜波导结构更好的延迟率可调范围。

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10、

The diffraction efficiency of the guided optical waves with the MSFVWs is calculated and the theoretical results are in good agreement with the experimental data in the excitation range of linear MSFVWs. This analytic procedure may be applied to the optimization design for the linear MSFVW-based Bragg cells.

计算了静磁正向体波对导波光的衍射效率，在静磁波的线性激发范围内计算结果与实验符合很好.处理方法可为线性磁光Bragg器件的优化设计提供理论指导。

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11、

the effect of sintering system towards of titania vitreous enamel

烧成制度对铸铁搪瓷钛白釉的影响研究

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12、

low temperature synthesis of titania nanocrystal and its visible light response photocatalytic activity

二氧化钛纳米粒子的低温合成及可见光催化性能

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13、

structure of titania based solid superacids and their properties for photocatalytic oxidation

二氧化钛基固体超强酸的结构及其光催化氧化性能

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14、

study on the structure of nanometer-sized titania powders prepared by a sol-gel method

用溶胶-凝胶法制备的纳米TiO2粉末的结构

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15、

synthetic and properties of ordered mesoporous titania thin films by sol-gel method

溶胶凝胶法制备有序介孔二氧化钛薄膜及性能研究

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16、

studies on preparation of ultrafiltration titania membrane by reversed micelle method

反胶团法制备氧化钛超滤膜的研究

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17、

study on the dispersion behavior of nano-titania powders

纳米二氧化钛分散性的实验研究

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18、

the manufacturing of thick film oxygen sensors based on titania by using the sol-gel method

溶胶&凝胶法制备TiO2氧敏元件研究

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19、

application of titania in research of protein phosphorylation

二氧化钛在磷酸蛋白质组学研究中的应用

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20、

new titania catalyst case study

新型二氧化钛催化剂的实例研究

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