查询词典 sol-fa

Latest researches in preparation of hexa aluminate catalysts were reviewed, especially the raw material and preparation technology, including co-precipitation, sol-gel and microemulsion methods.

摘要综述了近年来六铝酸盐催化剂的研究近况，重点介绍了其制备材料及制备技术，包括共沈淀法、溶胶－凝胶法和微乳法。

The molecular sieve is prepared in the steps: at the room temperature, hexadecyl trimethyl ammonium bromide is mixed and dissolved with the sodium hydroxide, and is added with TEOS in dropping way, and simultaneously added with Me metal salt water solution and lanthanum nitrate solution in dropping way; the pH value of the mixed solution is adjusted by acetic acid to be 10 to 11, and is mixed for 1 to 2 hours after being stabilized; the sol is moved into a polyfluortetraethylene bottle to be heated and crystallized for 2 days in the oven at the temperature of 100 DEG C; after filtering, washing and drying for nights, and being calcined in a muffle at the temperature of 550 DEG C for 3 to 7 hours, the dual-metal-atom improved MCM-41 mesoporous molecular sieve is obtained.

该分子筛的制备为室温下，将十六烷基三甲基溴化铵和氢氧化钠混合溶解，搅拌并滴加入TEOS，同时滴加入Me金属盐水溶液和硝酸镧溶液并搅拌，用乙酸调节pH值至10～11，稳定后搅拌1～2小时，溶胶转入聚四氟乙烯瓶中在100℃下烘箱水热晶化2天，经过滤、洗涤、干燥过夜，马弗炉550℃焙烧3-7h，得双金属原子改性MCM-41介孔分子筛产品。

Finally, Compared with the emission intensity of the films ,the film prepared by citric acide method is 73 precent of that prepared by hexamethylene tramine method. The quenching concentration of Eu3+ increased from 6% to 8% by Sol-gel method.

经过不同浓度的Eu~(3+)掺杂的发光性能检测表明，用溶胶—凝胶法制备Y_2O_3：Eu~(3+)时，掺杂浓度从常规高温固相法的6％提高到了8％。

The effect of sound field on hydrous ZrO2 colloid produced with the sol-gel method is studied.

文章研究了不同声场条件作用下，溶胶-凝胶制备氧化锆纳米粉体过程中胶体的沉降、性状以及胶体的ζ电位。

At first, the nanometer level cage structure, good thermodynamical and chemical stability and inflaming retarding properties, and relative merits of sol-gel synthetic method of POSS are introduced.

重点介绍了POSS改性传统聚合物的作用：如提高聚合物的使用温度，降低聚合物的介电常数，提高改性体系的力学性能和阻燃性能。

Hybrid mesoporous molecular sieve materials with hexagonal mesoporous structure and covalent bonded polyoxometalates were synthesized based on tetraethoxysilane anti lacunary polyoxometalate, SiW11, via sol-gel method in the presence of triblock copolymers P123 as the structure-directing agent. The influences of molar ratio of inorganic precursors and aging temperature on the structure and the loadings of SiW11 in the hybrid materials were investigated. Some reaction details in the synthesis were revealed.

用嵌段共聚物P123为模板剂，正硅酸乙酯和缺位结构的多金属氧酸盐SiW11为无机前驱体，由溶胶－凝胶法合成了具有六方结构和SiW11共价键联的介孔分子筛杂化材料SiW11/SBA-15，着重考察了无机前驱的配比和老化温度对杂化材料结构及SiW11负载量的影响。

The effect of lanthana doping and polyethylene glycol as gelatinization aid on the thermostability and BET surface of active A12O3 prepared by means of sol in water solution.

研究水溶液成胶制备氧化铝过程中，掺杂氧化镧及利用聚乙二醇助成胶对氧化铝热稳定性和比表面的影响。

Managers at five-star hotels run by foreign hotel chains, such as Sol Melia and Accor, confirmed Cubans will be able to stay at any hotel if they can afford the prices.

由美丽雅阳光和雅高等外国公司运营的五星级酒店向媒体证实，有支付能力的古巴民众今后可入住任何一家酒店。

At Oxford Brookes University Business School we prepare you for your future career and this programme enables students to embark on careers in food and beverage management, finance, human resource, marketing and general management with companies like Accor, Compass, Carnival, Four Seasons, Hilton, Hyatt, ICHG, Mandarin Oriental, Marriott, Rezidor, Sodexho, Sol Melia, Starwood and TUI.

在牛津布鲁克斯大学商学院我们准备你未来的职业生涯和本方案使学生走上职业生涯的食品和饮料管理，财务，人力资源，营销和管理的公司，如雅高，指南针，嘉年华，四季，希尔顿，凯悦， ICHG ，文华东方酒店，万豪， Rezidor ，索迪斯，溶胶楝，喜和旅途。

A series of organic-inorganic hybrid membrane were prepared by introducing mercapto silanes and amino silanes to sulfonated BPPO membranes through in-situ sol-gel.

将巯基硅氧烷和胺基硅氧烷引入到磺化BPPO膜中，通过原位溶胶凝胶法制备有机无机杂化膜。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。