硝酸铝

沉积硝酸铝结合水热处理改性的HY型沸石羟基的变化

Changes of OH groups in hy ( al ) zeolite modified by aluminum nitrate deposition together with hydrothermal treatment

以硝酸铝和碳酸铵为原料，利用超声波与沉淀相结合的方法，制得了平均粒径为（12±2）nm的氧化铝超细粉末。

Using aluminum nitrate and ammonia carbonate as reacting agents , alumina nanometer particles with mean diameter of ( 12 ± 2 ) nm were prepared with an ultrasonic precipitation method .

采用硝酸铝比色法和HPLC的方法分别对甜荞与苦荞不同部位（粉、皮、壳、芽）的总黄酮、芦丁和槲皮素含量进行了分析。

Total flavonoids , rutin and quercetin contents in buckwheat flour , bran , hull , and sprout were analyzed by HPLC and the colorimetric method .

探讨了TEOS在硝酸铝存在下的水解缩聚机理。

The mechanism of hydrolysis condensation of TEOS in the presence of aluminium nitrate was studied .

以氯化钴和硝酸铝为原料、聚乙二醇为结构导向剂，采用简明的化学共沉淀法成功制备了掺铝α-Co（OH）2。

The sheet-like Al-doping α - Co ( OH ) 2 was successfully prepared using cobalt chloride and aluminum nitrate as the raw material and polyethylene glycol as the structure-directing agent by a simple chemical coprecipitation method .

本文以醋酸锆、硝酸铝为原料，柠檬酸作为络合剂，采用溶胶-凝胶法获得前驱体，将前驱体在空气气氛中热分解制备了纳米ZrO2/Al2O3复合陶瓷粉体。

Nanocrystalline ZrO_2 / Al_2O_3 composite powders have been synthesized successfully from aqueous solution of metal nitrate and acetate containing citric acid as chelating agent by sol-gel method .

采用FTIR技术，以母体HY型分子筛为参照，研究了沉积硝酸铝结合高温水蒸气处理改性分子筛HY（Al）表面羟基的变化。

The change of OH groups in HY ( Al ) zeolite modified by aluminum nitrate deposition together with hydrothermal treatment , compared with parent HY zeolite , was studied by using FT IR .

硝酸铝存在下稀TBP/煤油对低浓度UO2（NO3）2和HNO3的萃取

The extraction of low-concentration uranyl nitrate and nitric acid by dilute TBP / kerosene in the presence of al ( no_3 ) _3

本文首先创新性地用硝酸铝（Al（NO3）3·9H2O）替代铝醇盐作为铝源，钛酸丁酯作为钛源，采用水解溶胶-凝胶法（HSG）制备钛酸铝薄膜。

Aluminum titanate film has been prepared by hydrolytic sol-gel method ( HSG ) creatively using aluminum nitrate to substitute for aluminium alkoxide as aluminum source , tetrabutyl titanate as titanium source .

用聚甲基丙烯酸甲酯（PMMA）对由水玻璃、硝酸铝和α甲基丙烯酸形成的硅铝氧烷溶胶进行包裹，得到PMMA包裹的硅铝氧烷凝胶。

Poly ( methyl methacrylate ) ( PMMA ) was chosen to wrap alumina siloxane sol which was formed by water glass , aluminum nitrate and α methacrylic acid ; therefore , alumina siloxane gel wrapped by PMMA was obtained .

分别以廉价的硝酸铝无机盐常压干燥法和异丙醇铝有机醇盐作为铝源，采用溶胶-凝胶法制备了结构完整的SiO2-Al2O3干凝胶和纯Al2O3干凝胶。

Integrated structure SiO2-Al2O3 xerogels and pure Al2O3 xerogels were prepared by the sol-gel method and non-supercritical drying using low-cost inorganic aluminum nitrate trihydrate and organic aluminum-isopropoxide alkoxide as alumi - num sources respectively .

以硝酸铝和尿素为原料（质量比为2.5：1），采用低温燃烧合成法制备了不同晶态的超细Al2O3，对在300℃时点火获得的非晶Al2O3进行了煅烧处理。

Ultrafine powders of Al2O3 are prepared by low - temperature combustion synthesis ( LCS ), in which the reaction matters are aluminium nitrate and carbamide ( the mass ratio of 2 . 5:1 ) . Amorphous Al2O3 obtained at the igniting temperature of 300 ℃ is sintered .

以硝酸铝和硝酸镁为主要原料，采用溶胶凝胶超临界干燥技术制备了纳米级MgO-Al2O3二元气凝胶。

The nano - sized MgO - Al2O3 binary aerogel was synthesized by sol - gel supercritical fluid drying technology using Al ( NO3 ) 3 and Mg ( NO3 ) 2 as the starting materials .

以硬脂酸、硝酸铝为原料，用硬脂酸凝胶法制备了Al2O3纳米粉末，运用差热-热重（DTA-TG）、傅立叶红外光谱对制备过程进行了表征；

Using stearic acid and aluminum nitrate as raw materials , the ultrafine powder of Al2O3 is prepared by the stearic acid . The synthesis process is monitored by the IR spectra , the differential thermal analyzer and thermal gravimetric ( DTA-TG ) .

以水合硝酸铝（Al（NO3）3·9H2O）为前驱体，通过乙醇介质中环氧丙烷的开环反应促使形成了透明的块状氧化铝凝胶。

A simple procedure based on gelatification , promoted by the ring-opening reaction of propylene oxide , was proposed for the synthesis of alumina , in which hydrated aluminium nitrate ( Al ( NO3 ) 3 · 9H2O ) was mixed with propylene oxide and gelated in ethanol solvent .

探讨硝酸铝的最佳使用量，改进效果，机理，以及对石墨炉操作条件的影响进行试验。

The effect of graphite furnace operation condition .

利用硝酸铝体系与橙皮苷形成络合物的原理，采用分光光度法测定橙皮苷含量，简单快速。

Another method developed for the determination of hesperidin depends on forming its complexes with certain metals .

用2-甲基丙烯酸与硅酸钠、硝酸铝反应，制得硅铝氧烷溶胶。

The aluminosiloxane sol was prepared by the reaction of the mixture of2-methylacrylic acid with sodium silicate and aluminium nitrate .

以硝酸铝为铝源，尝试反胶束方法制备出了均匀的棒状γ-氧化铝颗粒。

Using aluminum nitrate as the aluminum source , uniform γ - alumina rod was obtained with the reverse micelles method .

利用硝酸铝溶液和碳酸铵溶液的沉淀反应制备一种氧化铝的前驱体-氢氧化铝。

Aluminium hydroxide , the precursor of alumina , was synthesized by precipitation reaction of the aluminium nitrate and sal volatile .

采用超声波法对石榴籽中的黄酮进行提取，并采用硝酸铝法测定了其含量。

Flavonoid has been extracted by ultrasonic extraction method from pomegranate seed and its content is determined by aluminum nitrate method .

尿素对以硝酸铝和葡萄糖为原料合成氮化铝粉末反应过程中相变及反应速率的影响

Effect of urea on the phase transition and reaction rate for the synthesis of aluminum nitride powders from aluminum nitrate and glucose

本文采用中和沉淀法，使用氨水分别中和硫酸铝溶液及硝酸铝溶液来制备氢氧化铝粉体。

The dissertation adopted neutralization precipitation method , which used ammonia to neutralize aluminum sulfate solution and aluminum nitrate solution respectively to produce fine aluminum hydroxide powder .

此外，为了有效降低该类催化材料的制备成本，探究了使用廉价无机硝酸铝作为铝源进行介孔氧化铝载体的合成。

Moreover , in order to lower the synthesis cost of mesoporous alumina materials effectively , they are also prepared using cheaper inorganic aluminium nitrate as the precursor .

以硝酸铝为铝源，水热六方片状氢氧化镁为模板采用水热法制备出了片状中空结构的γ-氧化铝颗粒，由于包覆层厚度的原因只有部分颗粒呈现完整空心结构。

Using aluminum nitrate as the aluminum source , and magnesium hydroxide as a template by hydrothermal method , hollow sheet structure of γ - alumina particles was obtained .

以葡萄糖和硝酸铝盐为原料，采用水热和硬模板辅助技术，成功制备得到氧化铝空心球。

Aluminum nitrate salts and glucose are used as starting materials , and alumina hollow spheres were successfully prepared by using a combined process of hydrothermal and hard template techniques .

方法正交设计优选蝗虫体内总黄酮的提取条件，用芦丁作对照品，硝酸铝作显色剂，测定波长496nm，比色法测定了8种蝗虫体内的总黄酮含量。

Methods The content of total flavonoids extracted from 8 locust species by orthogonal method was measured by colorimetry at 496 nm , using rutin as reference substance and aluminum nitrate as chromogenic agent .

实验结果表明：由于纳米碳酸钙和硝酸铝之间不存在较强的结合力，所以在本文的工艺和实验条件下，以纳米碳酸钙为模板制备氧化铝空心管的方法是不可行的。

Because it does not exist strong bonding force between alumina nitrate and calcium carbonate , the preparation of alumina tube with alumina nitrate using nano-calcium carbonate as template is not feasible in experimental conditions .

本文以亚微米级碳化硅为主要原料，通过添加不同含量的纳米级碳化硅、石墨和少量的硝酸铝、硝酸钇，利用真空烧结工艺在1500℃反应烧结制备碳化硅陶瓷。

In the present thesis , the sub-micron silicon carbide powder was used the main starting material , and through appending the different content of nano-SiC and graphite , was used to prepare silicon carbide ceramics by using vacuum sintering processes at 1500 ℃ .

为了得到制备条件与粒径的关系，考察了反应时间、搅拌速率、硝酸铝浓度、尿素与硝酸铝的物质的量比对粒径的影响。

In order to get relation between mean diameter and synthetic condition of aluminum hydroxide , the effects of stirring speed , reaction time , initial reaction concentration of aluminum nitrate , mole ratio of urea to aluminum nitrate on the particle size are investigated .