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Evaluation of Salmonella Growth at Low Concentrations of NaNO2 and NaCl in Processed Meat Products Using Probabilistic Model
Salmonella NaNO2 NaCl Probabilistic Model
2016/7/27
This study developed probabilistic models to predict Salmonella growth in processed meat products formulated with varying concentrations of NaCl and NaNO2. A five-strain mixture of Salmonella was inoc...
考察了N-羟基邻苯二甲酰亚胺(NHPI),2,3-二氯-5,6-二氰基-1,4-苯醌(DDQ)与NaNO2组成的非金属催化体系,催化分子氧选择氧化醇的反应性能.结果表明,该体系可有效地催化芳香醇等生成相应的醛 (酮).在 80°C反应6h,苯甲醇转化率达到65%,苯甲醛选择性为99%.此外,该催化体系也能有效地催化其它醇的选择氧化.在该催化体系中,DDQ夺取NHPI羟基的H原子生成催化活性物种邻苯...
NaNO2对20SiMn低合金钢在3％NaCl溶液中空蚀损伤的缓蚀作用
空蚀 低合金钢 极化曲线
2009/9/15
利用磁致伸缩空蚀实验机研究了20SiMn低合金钢在3%NaCl和3%NaCl＋NaNO2溶液中的空蚀行为.测量了静态和空蚀条件下的腐蚀电位变化、电化学阻抗谱和极化曲线.结果表明：NaNO2通过抑制腐蚀与空蚀间的交互作用，对20SiMn低合金钢在3%NaCl溶液中的空蚀损伤有良好的抑制作用，浓度为1%的NaNO2的缓蚀效率达到802%.添加NaNO2对20SiMn低合金钢在3%NaCl溶液...
设计了一种由2,3-二氯-5,6-二氰基-1,4-苯醌(DDQ)和NaNO2组成的复合催化剂,该催化剂在9,10-二氢蒽氧化脱氢生成蒽的反应中表现出很高的催化活性和选择性. 在120 ℃和1.3 MPa O2下反应8 h, 9,10-二氢蒽转化率达到99%以上,蒽的选择性为99%. 采用红外光谱和核磁共振方法对催化氧化脱氢的反应历程进行了研究. 结果表明, 9,10-二氢蒽氧气氧化脱氢生成蒽的反应...
用丝束电极研究NaNO2对钢铁防护性能的影响
腐蚀 NaNO2 丝束电极
2009/8/26
采用丝束电极多电极电化学法研究钢铁在不同浓度的NaCl溶液中的电位变化，并分析NaNO2的加入对体系电位的影响和NaNO2对钢铁的防护作用。研究结果表明：钢铁在NaCl溶液中的电位分布在一定的电位区间，各丝电极的电位存在差异，各区域金属的腐蚀不均匀；随着溶液中NaCl含量从1%增大至5%，丝束电极的电极电位平均值从W22;0.43 V变为W22;0.54 V，电极电位负移，金属腐蚀倾向...
The influence of preparation technology on phase transitions in NaNO2 embedded into porous glass
porous glass ferroelectric
2011/5/5
The dielectric properties of sodium nitrite embedded into porous glasses with the average pore diameter of 45 nm and 320 nm have been studied. The samples were obtained by immersion of empty porous gl...
Dynamical heterogeneity of NaNO2 confined within porous glasses
nanostructured ferroelectrics. porous glasses
2011/5/5
Frequency dependences of imaginary part of the dielectric response ε'(f) of SiO2–NaNO2 nanocomposite, prepared by embedding of sodium nitrite into porous glasses with 7 nm average pore diameter, have ...