搜索结果: 1-8 共查到“物理学 pH”相关记录8条 . 查询时间(0.078 秒)
近期，智能所黄行九研究员课题组在近实际水环境pH条件下无机砷的可靠分析取得新进展，该工作对于实现实际水样中As(III)原始存在形态的准确及可靠的检测方面具有重要的科学意义，相关成果已发表在Sensors and Actuators B: Chemical杂志上(Sensors and Actuators B 255 (2018) 226–234)。
Towards Biochemical Filter with Sigmoidal Response to pH Changes: Buffered Biocatalytic Signal Transduction
Towards Biochemical Sigmoidal Response Buffered Biocatalytic Signal Transduction
2010/11/22
We realize a biochemical filtering process based on the introduction of a small quantity
of a buffer in a biocatalytic signal-transduction logic system based on the function of an
enzyme, esterase. ...
Comment on "New constraints of a light CP-odd Higgs boson and related NMSSM Ideal Higgs Scenarios" by Dermisek and Gunion (arXiv:1002.1971 [hep-ph])
light CP-odd Higgs boson NMSSM Ideal Higgs
2010/3/16
In two recent papers (arXiv:1002.1971 [hep-ph] and arXiv:0911.2460 [hep-ph]) Dermisek and Gunion provide new constraints on a light CP-odd Higgs boson in the framework of the NMSSM (or similar models)...
多壁碳纳米管在精氨酸溶液中分散性的pH敏感性
多壁碳纳米管 精氨酸 非共价修饰 pH敏感性
2009/10/15
通过非共价反应将精氨酸包覆于多壁碳纳米管上, 并用荧光分光光度计和原子力显微镜检测其在不同pH值条件下的分散性和凝聚性. 结果表明: 改性后的碳纳米管的分散性具有pH敏感性, pH值越大, 分散性越好, 且灵敏度高. 同时对其pH敏感性的机理进行了分析与讨论. 这将对碳纳米管在药物载送、生物传感等方面的应用有重要的意义.
X-DLVO Interactions between Nanocolloidal Magnetic Particles: The Quantitative Interpretation of the pH-Dependent Phase Diagram of EDL-MF
EDL-MF surface charge density phase diagrams
2010/7/5
The phase behavior of acidic samples of EDL-MF based on cobalt ferrite nanoparticles with controlled mean sizes was investigated at constant temperature and in absence of magnetic field. By monitoring...
尿液pH变化与尿液中纳米微晶组分的关系
尿液微晶 尿pH X射线衍射 傅里叶转换红外光谱
2009/4/29
采用X射线衍射(XRD)和傅里叶变换红外光谱(FTIR)研究了尿液pH变化与尿液中纳米微晶组分的关系。不但尿pH差异大的不同人尿液中微晶组分存在差异，而且同一人的尿pH发生变化时，其尿微晶亦发生变化。尿pH值较低(如pH＜5.8)时，主要为尿酸、酸式磷酸盐和草酸钙等;尿pH值较高(如pH＞6.2)时，主要为尿酸盐、磷酸盐、磷酸铵镁和草酸钙等。联合运用XRD和FTIR两种方法，可以更好地检测尿液中晶...
介质pH对渗滤液中水溶性有机物荧光光谱特性的影响
pH 渗滤液 水溶性有机物 荧光光谱
2010/3/23
采用荧光分析方法，对不同pH条件下3个填埋年限渗滤液中水溶性有机物(DOM)的荧光特性进行了研究。同步荧光光谱表明，填埋1年及10年渗滤液DOM的同步荧光图中各峰的荧光强度pH 4时最强;填埋5年渗滤液DOM在pH 12时荧光强度最强，而pH 4时的荧光强度次之。渗滤液DOM三维荧光光谱表明，填埋1及5年类蛋白峰强度在pH 10达到最大，而填埋10年在pH 8荧光强度最强;可见区类富里酸峰强度在p...
Comment on "Dynamical reduction models" by A. Bassi and G.C. Ghirardi (arXiv:quant-ph/0302164)
Comment Dynamical reduction models A. Bassi and G.C. Ghirardi
2010/4/9
Bassi and Ghirardi have developed a new theory to address the measurement problem based upon non-linear and stochastic modifications of the Schroedinger equation, which has been given the name Quantum...