查询词典 phosphorus oxide

A method for the determination of silicon and phosphorus in antimony oxide by inductively coupled plasma emission spectrometry ICP-AES was reported. he sample dissolution methods, election of spectral lines, interference of coexistent elements and the working parameters of the instrument were studied.

通过对氧化锑试样分解方法、硅磷分析线选择、共存元素光谱干扰和仪器最佳分析条件等方面的研究，建立了电感耦合等离子体原子发射光谱法测定氧化锑中硅和磷的方法。

Hese results indicated that phosphorus flame-retarded P1-UPR by condensation mechanism.(3) Bis-phenoxy (3-hydroxy) phenyl phosphine oxide was synthesized by phenyl phosphonic dichloride and resorcinol, and bisphenylphosphonate was synthesized by phenyl phosphonic dichloride and ethylene glycol.

G-FTIR对热分解气体的分析未发现含磷基团的特征吸收峰，SEM对不同DMMP用量的P1-UPR燃烧后的残留炭进行分析，结果表明随含磷量的增加，残留炭层趋向完整致密。

By phosphorus incorporation, the gate oxide reliability can be enhanced.

经於磷的掺杂，能增加闸极氧化层的可靠度。

Then chemical oxygen demand and total phosphorus were determinated by nano-semiconductor oxide photocatalytic method.

其次，将纳米半导体光催化氧化体系用于化学需氧量和总磷的测定，进行了有关理论探讨和实际应用的研究，取得了满意的结果。

Both XPS and ISS measurements demonstrated the absence of phosphorus in the oxide layer.

在较高温度(513K)下氧化非晶态Ni〓P〓合金，表面氧化层的厚度大于3.0nm，表面层的Ni原子被氧化成NiO和Ni〓O〓，P物种从表面消失。

Organic phosphorus ; Intoxication ; Nitric oxide ; Endothelin ; Pulmonary edema

有机磷；中毒；一氧化氮；内皮素；肺水肿

Keywords heavy metal ion wastewater,phosphorus wastewater,iron oxide coated sand,adsorption,magnetic seed flocculation-high gradient magnetic separation,solution chemistry

Article From 中南大学；矿物加工工程博士论文 2004年度重金属离子废水；含磷废水；涂铁石英砂；吸附；磁种絮凝-高梯度磁分离；溶液化学

An organophosphorus flame retardant,10-(2,5-dihydroxyphenyl)-9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide was synthesized from phosphorus trichloride,o-phenylphenol and p-benzoquinone through three-step process.

以三氯化磷、邻苯基苯酚和对苯醌为主要原料，通过三步反应合成了含磷阻燃剂10-(2，5-二羟基苯基)-9，10-二氢-9-氧杂-10-膦菲-10-氧化物。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。