Breast-feeding has well established short-term benefits, but now researchers have found that its advantages may persist into adulthood. 母乳喂养的短期效益早已得到世人公认,现在,研究人员又发现,这种优势可能会一直持续到孩子成年之后。
The polymerization conditions of ammonium polyphosphate ( APP) were studied by microwave reactor and muffle furnace respectively with ammonium dihydrogen phosphate and urea as raw materials. 以磷酸二氢铵和尿素为原料,用微波反应器和马弗炉分别研究聚磷酸铵(APP)的聚合工艺条件。
The Impact of Sodium Dodecyl Sulfate on Ammonium Polyphosphate Ultrafine Grinding 十二烷基硫酸钠对聚磷酸铵超细粉碎的影响
Preparation of Ammonium Polyphosphate Based Compound Flame Retardant and Its Flame Retardation on Polyoxymethylene 聚磷酸铵基复合膨胀型阻燃剂的制备及其对聚甲醛的阻燃作用
Application Study of Ammonium Polyphosphate Intumescent Flame Retardant in Polyethylene Cable Jacket 聚磷酸铵膨胀阻燃剂在PE电缆护套料中的应用
Intumescent Flame Retardation of Epoxy Resins Containing Ammonium Polyphosphate and Pentaerythritol 聚磷酸铵及季戊四醇膨胀型阻燃环氧树脂的阻燃性能
Study on Preparation, Performance and Mechanism of the Core-shell Ammonium Polyphosphate Flame Retardant Polyurethane 核&壳型聚磷酸铵阻燃剂的制备及其阻燃聚氨酯性能和机理的研究
Effect of Modified Ammonium Polyphosphate on Properties of Triazine Intumescent Flame Retardant Polypropylene 改性聚磷酸铵对三嗪类膨胀阻燃聚丙烯性能的影响
The Structure and Properties of Polypropylene/ Ammonium Polyphosphate Composites and Toughened System; Dispersion stability of phosphate-silica based nano-sizing agent 聚丙烯/聚磷酸铵复合材料及其增韧体系的结构和性能磷酸盐&硅系纳米浆料助剂的分散稳定性
A Study on the Surface Treatment of Ammonium Polyphosphate and Its Application in Flame Retardant Polypropylene 聚磷酸铵表面处理及阻燃聚丙烯应用研究
The article explains the importance and urgency of setting up a suitable standard for ammonium polyphosphate ( APP). 阐明了制定一部适用的聚磷酸铵产品标准的重要性及紧迫性。
Combustion Characteristics Test of Combustible Solid Compound Fuel Relationship between Flame-retardancy and the Overall Stabilization Effect of High Density Polyethylene/ Ammonium Polyphosphate Composite 可燃固废复合燃料的燃烧性能试验研究PE-HD/APP复合材料总体热稳定性作用与阻燃性能关系
Synergism of Metallic Compounds in PE-HD/ IFR System Relationship between Flame-retardancy and the Overall Stabilization Effect of High Density Polyethylene/ Ammonium Polyphosphate Composite 金属化合物在PE-HD膨胀阻燃体系中的协同作用PE-HD/APP复合材料总体热稳定性作用与阻燃性能关系
Char Forming and Smoke Suppression Function of Zinc Borate and Ammonium Polyphosphate on Wood during Combustion 硼酸锌和聚磷酸铵在木材阻燃中的成炭作用和抑烟作用
The flame retardance of a composite system consisting of ammonium polyphosphate ( APP), pentaerythritol ( PER) and melamine ( MEL) used for polystyrene ( PS) was studied with orthogonal design method. 采用正交设计法分析了聚磷酸胺(APP)、季戊四醇(PER)、三聚氰胺(MEL)作为一种混合体系对聚苯乙烯(PS)的阻燃作用。
The influences of different char forming agents on the combustion and fire resistant ( behaviors) of polypropylene/ ammonium polyphosphate intumescent systems were studied using cone calorimeter, thermogravimetric analyzer and oxygen index, by which the combustion parameters were obtained. 使用锥形量热仪、热重分析仪和氧指数仪研究了不同成炭剂对聚丙烯膨胀阻燃体系的燃烧行为和阻燃性的影响,得到了相关的燃烧参数。
In this paper, the IFR system based on PE, including ammonium polyphosphate ( APP), pentaerythritol ( PER) and melamine ( MN) was studied. 本论文采用了聚磷酸铵(APP)、季戊四醇(PER)和三聚氰胺(MN)为基本的膨胀阻燃体系。
The white crystals are identified the ammonium polyphosphate ( APP) by use of FT-IR. 红外光谱分析此白色晶体为聚磷酸铵(APP)。
Uncertainty Evaluation on Determined Result of Valid Phosphorus Content in Ammonium Polyphosphate 聚磷酸铵中有效磷含量测定结果的不确定度评定
Synthesis and Applications of Ammonium Polyphosphate 聚磷酸铵的合成研究及其应用
Analytical Method of Polymerization Degree of Ammonium Polyphosphate 聚磷酸铵聚合度分析方法综述
Progress of Modifying Research of Ammonium Polyphosphate 聚磷酸铵(APP)的改性研究进展
Study on the indirect determination of polymerization degree of ammonium polyphosphate by viscosimetry 粘度法间接测定聚磷酸铵聚合度研究
Thermal and thermo oxidative degradation of polystyrene modified with ammonium polyphosphate, ammonium sulfate and zeolite Y was studied during the compounding process and the thermal treatment, based on molar mass and its distribution. 基于体积排除色谱实验结果,详细分析了聚磷酸铵、硫酸铵、合成分子筛Y改性的聚苯乙烯在塑化混合过程和热降解过程中分子量及其分布的变化规律。
An intumescent flame-retardant coating was prepared using the determinated unsaturated polyester resin and epoxy resin as matrix resins, ammonium polyphosphate, melamine and pentaerythritol as flame-retardant assistants, by adding fillers and other assistants. 以不饱和聚酯和环氧树脂双组分作为基体树脂,以聚磷酸铵、三聚氰胺和季戊四醇为防火助剂,辅以填料和其他助剂,配制膨胀型防火涂料。
Progress of Synthesis Technologies and Application of Ammonium Polyphosphate 聚磷酸铵合成技术和应用进展
The effects of Phosphorus and Nitrogen in melamine, phosphate ester and ammonium polyphosphate on char formation of starch under the air condition was studied. 以三聚氰胺、磷酸三甲酚和聚磷酸铵为氮源和磷源,研究了磷和氮两种元素对天然多羟基高分子化合物-淀粉的热降解成炭行为的影响;
Production of Ammonium Bicarbonate in Urea Process Determination of Degree of Polymerization for Urea-ammonium Polyphosphate 尿素聚磷酸铵的聚合度测定方法研究
Ammonium polyphosphate ( APP) had been gotten wide attention in regard to its excellent characterization on flame retardant. 聚磷酸铵在阻燃功效方面的良好性能已受到了人们的重视。
The results showed that the modified borate whisker enhancement and microencapsulated ammonium polyphosphate flame-retardant effect were obvious. 结果表明,改性硼酸镁晶须对尼龙6的增强效果和微胶囊化聚磷酸铵的阻燃效果都很明显。