磷酸根

pH和磷酸根对砷（Ⅴ）在棕壤上吸附解吸的影响

Effect of Phosphate on Arsenate Adsorption by Brown Soil

采用高压密封硝化罐法处理样品，以ICP-AES测定膨化食品中S、P的含量，从而间接测定硫酸根和磷酸根的含量。

The amounts of trace S and P in puffed food were determined by ICP-AES with high pressure nitrifying pot to transfer into sulfate and phosphate .

Al（Ⅲ）溶液的水解沉淀特性研究磷酸根的作用

Hydrolysis-precipitation characteristics of aluminum (ⅲ) solution and the role of phosphate radical

胶原纤维固载Fe（Ⅲ）对磷酸根的吸附特性

Adsorption of phosphate by Fe (ⅲ) immobilized on collagen fiber

二甲基吡啶钼磷酸盐磷钼蓝分光光度法测定高纯H2O2中微量磷酸根

Spectrophotometric Determination of Trace Phosphorus in H_2O_2 by Phospho-Molybdenum Blue

ICP-AES间接测定膨化食品中的硫酸根和磷酸根

Indirect Method of Determination of Sulfate and Phosphate in Puffed Food by ICP-AES

研究了三个可变电荷土壤吸附磷酸根后对Cu、Zn、Cd次级吸附和解吸的影响。

The effect of phosphate absorption on Cu , Zn , Cd secondary adsorption and desorption in three variable charge soils was studied .

Zr（Ⅳ）MTBCTABLA四元体系催化光度法测定痕量的磷酸根

Zr (ⅳ) - MTB-CTAB-LA System Catalytic Spectro Photometric Method for the Determination of Trace Phosphate

三水铝石（γ-Al（OH）3）和α-Al2O3表面酸碱性质与磷酸根吸附研究

Studies on the surface acid-base properties and phosphate adsorption behavior of gibbsite (γ - Al ( OH ) _3 ) and α - Al_2O_3

FAAS法测钙时磷酸根离子的干扰及消除研究

Study on Interference and Its Elimination of Phosphate Ion during Determining Calcium by FAAS

还考察了TBT和磷酸根浓度，以及溶液pH值对TBT与DNA作用的影响。

In addition , the influences of concentration , phosphate ion and pH values on the interaction of TBT and DNA were also investigated .

由于不受磷酸根离子及维生素C等还原物质的干扰，故特别适用于生物材料及矿泉水等样品中水溶性硅的测定。

Free of the influence of phosphate ion and reducing agents such as vitamin C and so on , this method is especially suitable to the determination of Silicon in biological meterials and mineral water .

通过XRD分析的方法，探讨了磷酸根离子对氯氧镁水泥水化物的影响。

The effect of the phosphate anion on the stabilization of hydrate in magnesium oxychloride cement ( MOC ) was investigated by the method of XRD .

通过比较氢键占有率，我们发现非特异性结合体系的大部分氢键都属于蛋白质和磷酸根之间的氢键，这些氢键对于DNA碱基的直接识别贡献不大。

By comparing the hydrogen bond occupancy , we found that most hydrogen bonds for non-specific complex had a direct interaction with phosphate , and had little contribution to the direct base sequence recognition .

黄棕壤吸附磷酸根后对Cu2＋吸附反应的速率下降；

After phosphate adsorption , for yellow brown soil , the rate of Cu2 + secondary adsorption reaction decreased ;

研究发现HAP-水界面处钙和磷酸根位点分布和水分子的吸附位点相关，并且水在HAP界面上的吸附形式具有多样性。

The interaction of water molecules with the calcium and phosphate sites has also been studied at the HAP-water interface .

红壤吸附磷酸根后对Cu2＋吸附的快反应速率下降，而慢反应速率增加。

For red soil the fast reaction rate of Cu2 + secondary adsorption also decreased , but the rate of slow reaction increased .

同时，在磷酸根的存在下可以减弱Hoechst33258与DNA的非特异性作用.矿泉浴通过矿泉水对人体的特异性和非特异性作用，起到按摩、收敛、消肿和止痛的作用；

The main interaction sites of Hoechst 33258 is between base pairs of A and T. Mineral bath make impacts on massage , restrain , repercussion and acesodyne by the specificity and non-specificity of mineral water on human body ;

离子色谱法测定烤烟中氯离子和硫酸根离子及氟离子ICP-AES间接测定膨化食品中的硫酸根和磷酸根

Determination of Chloride , Sulfate and Fluoride in the Flue-Curd Tobacco by Ion Chromatography Indirect Method of Determination of Sulfate and Phosphate in Puffed Food by ICP-AES

依据碱滴定实验结果和磷酸根对Al（Ⅲ）水解－沉淀过程作用机理，建立了磷酸根存在下Al（Ⅲ）水解－沉淀过程的简单理想热力学模型。

A simple ideal thermodynamic model of hydrolysis precipitation of alumnium (ⅲ) inthe presence of phosphate radical was established according to the results of base titration experiments and mechanism of phosphate radical action on hydrolysis precipitation processes of alu-minium (ⅲ) .

沸石对磷的吸附作用除与沸石中所含的可交换Ca2+相关外，可能还与沸石阴离子骨架中Al对磷酸根的弱的键合作用相关；

Adsorption of the zeolites to phosphoric ions may be related to a weak bonding action of Al in the zeolitic anionic framework with phosphoric ions , besides that it is related to exchangeable Ca 2 + of the zeolites .

在此基础上引入磷酸根，制得聚合磷硫酸铁（PPFS）。

On this basis , PPFS can be made by introducing sulfate radical .

一般磷酸盐中的磷是用重量法测定，钙是用分离磷酸根后用EDTA滴定法测定。

Generally phosphorus is determined by weigh method and calcium is determined by EDTA titration after phosphate radical has been separated . The analytical process is long and unfavorable to quality Controlled .

文中还指出，非晶态Ni-P合金高耐蚀的原因，是由于合金表面磷的富集，生成次亚磷酸根阴离子（H2PO2~-）或Ni2P化合物的保护层，使合金进入钝性状态。

The high corrosion resistance of the amorphous Ni-P alloy deposits is attributed to the phosphorus enrichment on the surface and formation of a protective barrier layer as a hypophosphite anion or a compound Ni_2P .

因此，磷酸根和亚砷酸根竞争Ti-Fe复合氧化物表面的吸附点位，从而使砷的去除率降低。

Therefore , phosphate and arsenate competition the surface adsorption sites , so that the arsenic removal rate decreased .

对于硫酸镍体系，首先将镀液冷却至室温除去过量的硫酸钠晶体，接着在常温下添加Ca（OH）2沉淀除去亚磷酸根离子；

For nickel sulfate system , initially crystal sodium sulfate was removed by cooling the solution down to room temperature , and subsequently HPO ~ ( 2 - ) _3 was precipitated and removed by addition of Ca ( OH ) _2 at room temperature .

用硝酸铋分离磷酸根离子，在滤液中用EGTA－EDTA分别测定氧化钙，氧化镁较之传统方法简便效果好。

Precipitated and separated phosphate radical with bismuth nitrate , CaO and MgO in filtrate are de-terminated by EGTA-EDTA titrimetry , The method is simpler and more accurate than the traditional one .

以乙酸钙为沉淀剂，考察了在不同的温度、用量、pH值以及反应时间条件下，去除亚磷酸根的情况，讨论了采用Ca（OH）2、CaO为沉淀剂的除磷效果；

With calcium acetate as precipitating agent , the effect of phosphite ion removal under different temperature , dosage , pH value and reaction time were investigated , meanwhile , the dephosphorization effect when using Ca ( OH ) 2 and CaO as precipitating agent were also discussed ;

通过对乙二胺四乙酸（EDTA）滴定检测硫酸根离子法的改进，实现了可以同时消除钙、镁及其他重金属离子、碳酸根离子、磷酸根离子干扰的目的。

EDTA titration method has been improved to determine sulfuric acid radical ion , eliminating the interference of Ca 2 + , Mg 2 + and other heavy metallic ions , CO 2 - 3 and PO 4 3 - .

增加两种组装溶液间pH差值，可以提高多层膜的N/P比（聚阳离子中的自由氨基与DNA中磷酸根的摩尔比）。多层膜的N/P比也随着最外层PLL组装溶液pH的升高而增大。

The N / P ratios ( molar ratio of free amino groups in polycation to phosphate groups in DNA ) within the multilayers are proved to be elevated by increasing either the pH difference between the two deposition solutions or the pH value of the outmost deposition solution .