| 1. | Polycrystalline structure of waste slag in aluminum factory at different calcining temperature 铝厂污泥在不同煅烧温度的晶相结构研究 |
| 2. | The results indicated : ( 1 ) the fe2o3 - al2o3 nanocomposites with different fe2o3 content and calcining temperature have different phases 研究表明: ( 1 ) fe _ 2o _ 3含量和热处理温度对复合粉末的相组成有重要影响。 |
| 3. | Then the carbon nanotubes were purified by calcined in a suitable temperature after the acid - treatment . before the calcined process , tga was used to determine the calcined temperature 对制得的碳纳米管进行了纯化,纯化中先对碳纳米管产物进行了酸处理,然后在适宜的温度下煅烧。 |
| 4. | Abstract : in this paper , the preparation of the catalysts for the oxidation of fluorene to fluoreone is studied . the influences of the dipping time , calcining temperature , calcining time and the air quantity during the calcination are discussed 文摘:研究了用工业芴气相氧化制取芴酮的催化剂制作条件,考察了浸渍时间、煅烧温度、煅烧时间和煅烧空气量对催化剂制作的影响 |
| 5. | Samples with various compositions were prepared through different calcined temperature , sinter temperature and different maintained time at sinter temperature . the structure , density , shrinkage , and piezoelectric properties were investigated 选取部分组成点,采用不同的预合成温度、烧结温度和保温时间制各样品,测试各样品的晶体结构、体积密度、线收缩率和压电性能。 |
| 6. | It was found that the decompose efficiency to solution associated with the number of films layer ; calcine temperature and ph value . some analyses have been performed . tio _ 2 films were also synthesized by reactive sputtering and chemical vapor deposition 通过溶胶凝胶法制备了tio _ 2薄膜对其进行光催化反应实验,发现膜层厚度、薄膜煅烧温度和溶液ph值对降解效率都有直接的影响,并对结果进行分析。 |
| 7. | It is concluded that optimum calcined temperature is 900 with x < 0 . 06 and 950 with x 0 . 06 . liquid phase is indispensable in the sinter procession . it contributes to the growth of the crystalline grain and the density 研究表明:当x 0 . 06时,适宜的预合成温度应为900 ,当x 0 . 06时,适宜的预合成温度应为950 ;样品的烧结必须有液相的存在,适量的液相有助于晶粒的生长和材料的致密化,但液相过多将降低压电性能。 |
| 8. | Hence we combined coprecipitation method , using zinc carbonate as enclosure dose causing the crystal nucleus can not grow up , zinc titanate acts as phase - transition accelerant , thereby we can obtain rutile nanometer tio2 powder at lower calcining temperature and in briefer calcining time relatively 因此我们结合共沉淀法,引入碳酸锌作包覆剂控制品粒长大,利用钛酸锌作品型促进剂,在相对较低的焙烧温度和较短的保温时间内制得到了金红石型纳米tio _ 2粉体。 |
| 9. | The configuration and microstructure of production , the effect of heating temperature and chemistry match ratio on reaction and production , the effect of calcining temperature and time on the changes of production crystal were studied by xrd , tem , dta and microscope 本文通过xrd 、 tem 、差热分析、金相显微镜等手段对所制备材料的结构、组织形貌、点火温度和化学配比对反应现象和反应产物的影响、煅烧温度和煅烧时间对产物晶型转变的影响等方面进行了分析研究。 |
| 10. | Particle size distributing and the composing of crystal phase were discussed by the orthogonalizing design . the experiments showed that the most suitable process conditions should controlled as follows : process temperature was about 30c ; the ratio of tnb " water and solvent was l : 4 : l 0 : the calcined temperature was about 600 " c . such transition metal ions as fe3 + 实验表明,合适的反应条件是:以醋酸为负催化剂,水解温度应控制在30左右,钛酸丁酯与水量、溶剂量的配比应为1 : 4 : 10 。另外得到比较单一的锐钛型tio _ 2煅烧温度应控制在600左右。 |