查询词典 dioxide

In a method of separating sulphur dioxide, the above-described device (1) can be used.

在分离二氧化硫的方法中可使用上述装置(1)。

The article mainly introduced the type of abradant, production methods, production technics and especially introduced two kinds of abradant, the common aluminum hydroxide by sintering process and spherical aluminum hydroxide with sodium aluminate and carbon dioxide.

主要介绍了牙膏磨擦剂的种类、各类牙膏磨擦剂的生产方法和生产工艺，并重点介绍了两种氢氧化铝牙膏磨擦剂，即以烧结法工艺生产的普通氢氧化铝颗粒和由铝酸钠溶液和二氧化碳气体制备的球形氢氧化铝牙膏磨擦剂，并给出了两种氢氧化铝牙膏磨擦剂的工艺流程图、电镜分析图谱、物化性能和工艺指标。

The result indicated that KH-570 and the xylene modified nanometer silicon dioxide has the good dispersivity and the stability in the water and the absolute ethyl alcohol resolver.

结果表明KH-570和二甲苯改性的纳米TiO2在水和无水乙醇溶剂中有较好的分散性和稳定性。

In order to improve wave-absorption properties and wave band of single absorbent,a novel absorbing medium of carbon black doped with nanometer-sized manganese dioxide was prepared.

为了改善单一吸收剂对电磁波的吸收性能并有效拓宽吸收频段，采用纳米二氧化锰掺杂炭黑制备了一种新型的复合吸收剂，并对吸收剂的TEM颗粒形貌，介电特性和微波吸收性能进行了研究。

A novel absorbing medium of carbon black doped with nanometer sized manganese dioxide were prepared.

基于单一吸收剂无法达到良好的微波吸收效果，利用纳米二氧化锰掺杂炭黑颗粒制备了一种新型的复合吸收剂，并进行TEM形貌表征，介电性能分析以及微波吸收性能的测试。

Using the formula supplied with the standard absorption curve, determine the amount of sulphur dioxide in the test solution from the absorbance measured.

用标准消光曲线提供的公式，从测量的吸收率来测定测试溶液中二氧化硫的量。

The effect of temperature and carbon dioxide on the acerbity , texture, color and soluble component in persimmon were studied.

试验以新鲜涩柿果为原料，采用CO2脱涩法对柿子进行脱涩，研究了温度和CO2浓度对柿果的涩度、硬度、可溶性固形物含量的影响。

The pyretic acid formed by GLYCOLYSIS is broken down into acetaldehyde and carbon dioxide.

糖酵解过程中产生的丙酮酸分解为乙醛和二氧化碳。

Acetamide was imbedded into the net of silicon dioxide to preparing phase changing composite for heat storage by sol-gel method.

采用溶胶-凝胶法将有机相变材料乙酰胺嵌入到SiO2网络空间内，制备了复合储热相变材料。

The optimum reaction conditions are as follows: diphenylmethanethiol : methyl chloroacetate is 1:1.5, and the reaction carried out at 100℃ for 4 h, 2- acetamide can be carried out in the room temperature for 20 h, the yield of 2- acetamide was 76%, hydrogen dioxide: 2- acetamide is 1:1, and the reaction carried out at 60℃ for 3 h, the yield of modafinil was 79%, the total yield of reaction can be reached 48%.

研究表明，采用氯乙酸甲酯作为醚化试剂，反应时间4h，反应温度100℃，二苯甲硫醇：氯乙酸甲酯=1：1.5，室温下氨解反应20h，二苯甲硫乙酰胺收率76%；采用过氧化氢作为氧化试剂，反应时间3h，反应温度60℃，过氧化氢：二苯甲硫乙酰胺=1：l，莫达非尼收率79%，反应总收率可达48%。

The Master of Science degree program in Economics features a curriculum that is flexibl...

在经济学理学硕士学位的课程计划的特点是灵活而全面的方法，在理论和应用课程培训工作。

This module is used for constructing and visualizing 3D models.

该模块是用于建设和可视化的三维模型。