多聚磷酸

结论：含有多聚磷酸钠的佳洁士皓爽白牙膏在提高釉质表面润湿性方面优于一般防蛀牙膏，能明显提高刷牙者牙齿滑爽的程度。

CONCLUTION : Toothpastes containing polyphosphate can increase wetting of enamel surface , which can improve consumer 's tooth-brushing experience .

从外果皮中提取果胶，加水量为原料重量的4倍，75℃下，添加原料重量0.7%的多聚磷酸钠，果胶得率可达2.98%。

The most suitable condition of extracting pectin from skin was : Added four times water and 0.7 % sodium polyphosphate as much as the raw material weight , at 75 ℃ . The yeild of pectin was reached to 2.98 % .

用~（31）P核磁共振研究鸡腿肉中4种多聚磷酸钠的水解

Study on hydrolysis of polyphosphates added in chicken thigh meat by ~ ( 31 ) P NMR

研究了三聚氰胺（MEL）、六甲基二硅氮烷改性MEL、多聚磷酸铵（APP）和它们的复合物对全水发泡聚氨酯硬质泡沫（PUR）性能的影响。

The effects of MEL , APP and their mixture on properties of water-blown rigid PU foam were investigated .

2,6-二取代苯乙酮苯腙在多聚磷酸（PPA）存在下的成环反应

Cyclizations of 2 , 6-Disubstituted Acetophenone Phenylhydrazones in the Presence of Polyphosphoric Acid

新型Nessler管粘度法和传统方法测定多聚磷酸浓度的比较

Comparation of Nessler Tube Method and Traditional Method for Determination of Polyphosphoric Acid

通过对防火涂料进行热重分析、差示量热扫描分析联合红外分析，对多聚磷酸铵（APP）-三聚氰胺（MEL）-季戊四醇（PER）阻燃防火性能有较深入的探讨。

The research of anti-combustion properties was furthered on APP ( ammonium polyphosphate ), MEL ( melamine ) and PER ( pentaerythritol ) by thermogravimetric analysis , differential scanning calorimetry and infrared technique .

以4,6-二氨基-1,3-苯二酚盐酸盐和对苯二甲酸为原料，多聚磷酸为介质，缩聚得到聚对苯撑苯并二恶唑（PBO）。

Poly ( p-phenylene benzobisoxazole )( PBO ) was synthesized by polycondensation reaction of 4,6-diamino-1,3-benzenediol dihydrochloride and terephthalic acid in the presence of polyphosphoric acid .

设计并合成了5种不同分子结构的三嗪衍生物，将它们分别与多聚磷酸铵复配组成膨胀型阻燃剂（IFR）体系。

Five triazine derivatives were synthesized as charring agent and respectively incorporated with ammonium polyphosphate ( APP ) to prepare intumescent flame retardants ( IFR ) .

将多聚磷酸铵（APP）季戊四醇（PT）三聚氰胺（M）体系选作膨胀型阻燃剂，研究了聚丙烯/膨胀型阻燃添加剂（PP/IFR）共混物的熔化及非等温结晶行为。

Ammonium polyphosphate ( APP ) - pentaerythritol ( PT ) - melamine ( M ) system was selected as an intumescent flame retardant ( IFR ), the nonisothermal crystallization and melting behavior of PP / IFR composites were studied .

以多聚磷酸铵（APP）季戊四醇（PT）三聚氰胺（M）为膨胀型阻燃体系（IFR），氯化橡胶为基材树脂，制备阻燃涂料。

Ammonium polyphosphate ( APP ) - pentaerythritol ( PT ) - melamine ( M ) systems have been chosen as an intumescent flame retardant ( IFR ), chlorination rubber as matrix resin to prepare flame resistant coating .

多聚磷酸铵（APP）作为阻燃剂单独使用，使PP的热释放速率、总释热量和C02释放量稍有降低，CO释放量和总烟量升高，阻燃效果不明显。

Ammonium polyphosphate ( APP ) as a flame retardant used alone , decreased the heat release rate , the total heat release and CO2 release slightly , increased CO release and the total smoke production , the flame-retardant effect is not obviously .

本文研究了柏木萜烯与醋酐～多聚磷酸的乙酰化反应和d-芋烯与醋酐～多聚甲醛的Prins反应，经正交试验结果，柏木萜烯乙酰化反应得率为70%。

The acetylation of the hydrocarbon fraction of cedar wood oil with acetic anhydride ~ polyphosphoric acid and the prins reaction of d & limonene with acetic anhydride ~ paraformaldehyde have been studied .

纤维素在磷酸/多聚磷酸中的溶解及纺丝工艺

Dissolution and Spinning Process of Cellulose-Phosphoric Acid / Poly Phosphoric Acid

多聚磷酸与丁苯橡胶复配改性沥青的性能

Properties of asphalts modified with polyphosphoric acid / styrene-butadiene rubber

原子吸收法测定多聚磷酸中微量金属元素含量

Determination of Trace Mental Element Content in Polyphosphoric Acids by Atom Absorption

多聚磷酸法烷基磷酸酯的合成研究

Research on the Synthesis for Alkyl Phosphate by Polyphosphoric Acid

多聚磷酸作用下芳香族羧酸与氨基脲合成1，3，4-恶二唑的新方法。

New Method of Synthesis of1,3,4-Oxadiazoles from Aromatic Acids and Semiearbazide with PPA ;

可注射多聚磷酸钠/壳聚糖多孔微载体制备研究

Fabrication of Sodium Hexametaphosphate / Chitosan Porosity Microcarrier

不同乙酸浓度对聚磷菌厌氧释磷的影响纤维素/磷酸/多聚磷酸液晶溶液的动态流变性能

The Dynamic Rheological Behavior of Cellulose / Phosphoric Acid / Polyphosphoric Acid Liquid Crystalline Solutions

介绍多聚磷酸作为4羧酸噻唑与邻苯二胺溶剂兼脱水剂，合成噻苯咪唑&食品保鲜剂的方法。

This paper introduced the method that the thiabendazole was synthesized by polyphosphoric acid as solvent .

鲜花水果保鲜剂的研制多聚磷酸为助剂合成食品保鲜剂

PREPARATION OF FRESH PRESERVATION FOR FLOWERS AND FRUIT Development on the Synthesis of Preservative for Food with Polyphosphoric Acid as Solvent

多聚磷酸的掺加使沥青胶体结构发生变化，使沥青的胶体结构由原来的溶胶型转变为溶胶一凝胶型。

Adding polyphosphoric acid , the colloidal structure of asphalt changes , structure of the asphalt from the sol-gel into a sol-gel-type .

纤维素/磷酸/多聚磷酸液晶溶液的动态流变性能明胶溶液及明胶-PEG复合纺丝液流变性研究

The Dynamic Rheological Behavior of Cellulose / Phosphoric Acid / Polyphosphoric Acid Liquid Crystalline Solutions Rheological research of gelatin and gelatin-PEG spinning solution

为与以上微胶囊化物理包覆过程形成对比，我们考察了三聚氰胺先与多聚磷酸化学成盐后再与水镁石复配形成复合阻燃剂的情况。

Compared with the above encapsulated physical coated process , the salification reaction between melamine and polyphosphoric acid before compounding with brucite was investigated .

在复配试验中通过对样品质构分析最后选定2.5%多聚磷酸钠与0.5%柠檬酸钠复合使用较佳。

Finally , the complex emulsifying salts were chosen : 2.5 % pentasodium tripolyphosphate and0.5 % sodium citrate by analysis of texture of sample .

多聚磷酸的掺加，使沥青混合料的高温性能提高，水稳定性降低，低温性能无显著影响。

Adding polyphosphoric acid , the high temperature performance of asphalt mixtures increased , reduce the stability of water , no significant effect on low temperature performance .

多聚磷酸掺加到沥青中是一个物理共混过程，而且与沥青具有很好的相容性，能均匀的分布于沥青中，从而具有良好热储存稳定性。

Polyphosphoric acid to the asphalt mixing is a physical blending process , and with good compatibility with asphalt , even distributed in the asphalt , which has good heat storage stability .

利用多聚磷酸对不锈钢的低腐蚀特性，在二步法工艺中采用无衬里不锈钢燃磷塔。

Considering the low corrosiveness of polyphosphoric acid to the stainless steel , the combustion chamber , which was made of stainless steel without inner lier , was used in the two-step method process .

研究发现：①多聚磷酸的掺加使沥青针入度减小，软化点、粘度升高，而5℃延度比基质沥青的延度值稍有降低。

Study found that : ① Adding polyphosphoric acid to reduce the penetration of asphalt , Softening point , viscosity increases , the 5 ℃ ductility than the value of asphalt is slightly lower .