1) SO_(4)~(2-)/ZrO_2/MCM-41
SO42-/ZrO2/MCM-41
1.
The SO_(4)~(2-)/ZrO_2/MCM-41 catalysts were characterized by XRD and N_2 adsorption/desorption techniques.
水热合成了介孔材料MCM-41,并以其为载体负载固体超强酸SO42-/ZrO2,通过XRD和N2吸附/脱附对制备的SO42-/ZrO2/MCM-41催化剂进行了表征。
2) SO2-4/Al-MCM-41
SO42-/Al-MCM-41
1.
SO2-4 was introduced in its skeleton by impregnation methods and finally the SO2-4/Al-MCM-41 ultra strong acid mesoporous silica catalysts were synthesized.
以离子液体作模板剂,十二胺为扩孔剂,采用水热晶化法合成出了大孔径的Al-MCM-41介孔分子筛,并采用浸渍法将SO42-引入其骨架中,最终合成了SO42-/Al-MCM-41超强酸介孔分子筛。
3) SO 2-_4/ZrO_2-MCM-41 catalyst
SO2-4/ZrO2-MCM-41催化剂
4) MCM 41
MCM-41
1.
Using cetyltriethylammonium bromide and cetyltrimethylammonium bromide as templating agent respectively,and silicasol as silica source,the mesoporous molecular sieves MCM 41 were synthesized by hydrothermal method in basic media.
分别采用十六烷基三甲基溴化铵和十六烷基三乙基溴化铵作为模板剂,硅溶胶为硅源,用水热晶化法在碱性(NaOH)介质中合成了MCM-41介孔分子筛样品。
2.
thiopropyl tri methyl silicane and surface pre adsorption hydrolysis technique were used to accommodate CdS and TiO2 nanoparticles into the tunnels of MCM 41 meso porous sieves.
利用γ-巯丙基三甲氧基硅烷及表面预吸附水解技术在MCM-41介孔分子筛孔道内部以化学键合的形式依次引入了CdS和TiO2纳米粒子。
3.
The mesoporous MCM 41 molecular sieves with super high surface areas were hydrothermally synthesized by means of a novel surfactant.
通过易于控制的手段,合成出了超高表面积的MCM-41分子筛,并采用XRD、N2吸附脱附、热重-差热分析、SEM等测试手段对合成样品进行分析表征,主要考察了晶化时间对分子筛表面积的影响。
5) MCM41
MCM-41
1.
OVERGROWTH OF MESOPOROUS MCM41 ON ZEOLITE ZSM5;
中孔MCM-41分子筛在微孔沸石ZSM-5上附晶生长的研究
2.
RESEARCH ON SYNTHESIS FACTORS OF SILICABASED MESOPOROUS MOLECULAR SIEVE MCM41 Ⅰ EFFECT OF CATION Na~+,K~+ ON THE SYNTHESIS;
纯硅MCM-41中孔分子筛合成因素的研究Ⅰ.Na~+、K~+阳离子对合成的影响
3.
STUDY ON SYNTHESIS FACTORS OF SILICABASED MESOPOROUS MOLECULAR SIEVE MCM41Ⅱ INFLUENCES OF SURFACTANTS;
纯硅MCM-41中孔分子筛合成因素的研究Ⅱ.表面活性剂对合成的影响
6) La-Al-MCM-41
Al-La-MCM-41
1.
The mesoporous materials, La-Al-MCM-41, Al-MCM-41 and La-MCM-41 were characterized using several techniques, e.
以十六烷基三甲基溴化铵(CTAB)为模板剂,正硅酸乙酯(TEOS)为硅源,乙二胺为碱性介质,水热法合成了硅铝、硅镧及硅(铝+镧)摩尔比为30的Al-MCM-41、La-MCM-41和Al-La-MCM-41介孔分子筛,通过XRD、IR、NH3-TPD吸附脱附、BET、热分析及CCl4吸附等方法对分子筛的晶体结构和表面物性进行了研究,XRD及BET研究结果表明,所合成的分子筛具有典型的六方介孔结构特征及较大的比表面积。
补充资料:钾-42(potassium-42)
【钾-42】(potassium-42)质量数为42的钾的放射性核素。符号`^42K`。具毒性。半衰期12.36小时。发射`\beta^-`辐射(最大能量为3.519兆电子伏)和`\gamma`辐射(能量较复杂)。可从反应堆中以中子轰击`^41K`而制得。临床上用于红细胞容量的测定。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条