查询词典 nitrate

For the development of effective catalysts to be used in biomass gasification ,NiO nanoparticles were prepared by a homogeneous precipitation method involving an aqueous solution of nickel nitrate hexahydrate and urea.

为研制生物质气化用纳米N iO催化剂，文中以六水合硝酸镍为原料、尿素为沉淀剂，采用均匀沉淀法制备了纳米N iO，并利用TGA，XRD，TEM等分析手段对前驱体和产品的性能进行了表征。

NiO nanoparticles were prepared by a homogeneous precipitation method with an aqueous solution of nickel nitrate hexahydrate and urea. The effects of Ni(NO3) 2·6H2O ratio, reaction temperature and heat treating temperature on NiO yield and mean size were discussed.

文中采用Ni(NO3) 2·6H2O为主要原料，CO(NH2 )2 为沉淀剂制备了球片状纳米NiO粒子，并研究了反应物料配比、反应温度以及煅烧温度等条件对产品粒径和产率的影响。

Ultrasound chemical precipitation method was used to synthesize the precursor powderswith the ammonium oxalate and nickel nitrate hexahydrate as the raw materials.

然后，以Ni(NO_3)_2·6H_2O和(NH_4)_2C_2O_4·H_2O为原料，采用超声化学沉淀法制备出氧化镍前驱体，XRD图谱表明前驱体为NiC_2O_4·2H_2O，FTIR谱图分析进一步验证得到的前驱体是NiC_2O_4·2H_2O。

The concentrations of zinc nitrate hexahydrate are 0.01 M, 0.025 M, 0.05 M, 0.1 M, 0.2 M, and 0.4 M, respectively.

硝酸锌六水合物的体积浓度分别为0.01M，0.025M，0.05M，0.1M，0.2M 和0.4 M。

Coordination homogeneous precipitation method was used to synthesize nanosizednickel hydroxide powder products with the ammonia and nickel nitrate hexahydrate as theraw materials.

城市生活垃圾裂解气化处理过程中，存在产氢率低、气化效率不高和大量焦油出现的问题，要解决这些问题，主要依靠高效催化剂进行催化裂解气化，提高反应速率，降低反应温度，以及去除焦油等。

Moreover, SEM images reveal that the size (including average diameter and length) of nanorods increases with increasing zinc nitrate hexahydrate concentration. The average diameter increases from ~410nm to ~3.9 μm.

从扫瞄式电子显微镜的影像中可以得知，奈米柱尺寸会随著硝酸锌浓度的增加而增加。

Surface modified nano-sized mgnesium hydroxide was prepared by direct precipitation method with magnesium nitrate hexahydrate and sodium hydroxide as raw materials,and sodium fatty alcohol polyoxyethylene ether carboxylate as modifying agent.The optimum dosage of modifying agent was 0.2% of the mass of magnesium hydroxide,which was confirmed by sediment volume experiment.Modified and unmodified samples were characterized by fourier transform infrared spectroscopy,X-ray diffraction,transmission electron microscope,and tap density test.

以六水硝酸镁、氢氧化钠为原料，脂肪醇聚氧乙烯醚羧酸钠为改性剂，采用直接沉淀法一步合成改性纳米氢氧化镁，用沉降体积实验确定改性剂的最佳用量为氢氧化镁质量的0.2%，通过红外光谱、X射线衍射、透射电镜、表观密度对改性前后的样品进行表征。

The mechanisms of the formation of 1, 3, 5-trinitro-1, 3, 5-triazacyclohexane in the nitrolysis of hexamethylenetetramine with nitric acid and with the mixture of nitric acid and ammonium nitrate were first studied by NMR tracing.

本文首次采用核磁共振跟踪化学反应的方法研究了在直接法和K-法中黑索金（1，3，5-三硝基-1，3，5-三氮杂环已烷，RDX）的生成反应机理。

CeO2 nanoparticles were prepared using cerium nitrate and hexamethylenetetramine as starting materials, and the prepared powders were collocated into polishing slurry for chemical mechanical polishing of GaAs wafer.

以硝酸铈和六亚甲基四胺为原料制备出不同粒径的纳米CeO2粉体颗粒，将纳米CeO2粉体配制成抛光液并用于砷化镓晶片的化学机械抛光。

Organization: Department of Mechanical Engineering, Qingdao Technological UniversityAbstract: In this paper, based on the tailoring and controlling of hydrofluoric acid, ZnO flower-like sphere micronanostructures were grown in an aqueous solution of zinc nitrate and hexamethylenetetramine.

摘 要：采用六水硝酸锌［Zn(NO3)2·6H2O］和六次甲基四胺(C6H12N4)作反应剂，基于氢氟酸的调控作用，利用低温液相技术制备了ZnO花-球微纳米结构。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。