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离子积
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  ion product
     To compare the design value with the experimental value, the average deviation of the degree of hydrolysis of the potassium alum solution is 0.6%, dissociation constant pKb =11.6±0.1, and the average deviation of the ion product of water pKw less than 0.06, thus improving the formula established by H.N. EPEMNH of the USSR.
     计算值同实验值比较,钾明矾溶液水解度平均偏差为0.6%,离解常数pK_b=11.6±0.1,水的离子积pK_w平均偏差小于0.06,从而改进了苏联的计算公式。
短句来源
     The ion product constant of water,the protonation constant ofFenbufen and stability constants of the complex compounds formed from ligandwith copper(Ⅱ),nickel(Ⅱ),cobalt(Ⅱ)and zinc(Ⅱ)have been determined bypH method at 25±0.2℃,Ⅰ=0.1mol. L~(-1)(KNO)_3)in mixed solvents〔80%(V/V)DMSO〕.
     在25±0.2℃及 I=O. 1mol·L~(-1)KNO_3存在下,用 pH 法分别测定了在80%(V/V)二甲亚砜混合溶剂中水的离子积常数、芬布芬的离解常数以及芬布芬与二价的铜、钴、镍、锌四种金属离子形成二元配合物的稳定常数.
短句来源
     A FORMULA FOR CALCULATING THE ION PRODUCT OF WATER OVER A WIDE RANGE OF TEMPERATURE
     宽广温度范围的水离子积计算公式
短句来源
     The full equation for the degree of hydrolysis of salts and the dissociation constant of hydrolysate is established on the basis of the hydro-lysate is established on the basis of the hydrolysis relationship for salts and the expression of ion product of water.
     根据盐类水解关系式和水的离子积计算公式,建立了计算盐类水解度和水解产物离解常数的完全方程式。
短句来源
     Based on the ion product and the viscosity of water, the paper obtained the limiting molar conductivity, the electrolytic conductivity and the neutralization heat of strong acid to strong base in infinite dilution at various temperatures.
     从水的离子积和粘度的文献数据出发,得到不同温度下水的极限摩尔电导、电导率及无限稀强酸强碱的中和焓。
短句来源
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  ionic product
     A PRACTICAL FORMULA FOR WATER IONIC PRODUCT PK. = f(T.P)
     水的离子积pK_w=f(T.P)计算公式
短句来源
     When exceeding critical point of water (Tc = 374℃; Pc = 22.1MPa), the values of density, dielectric constant, hydrogenous bond and ionic product of water drop down, so supercritical water acts as a non-polar solvent of high diffusivity and excellent transport properties.
     在水的临界点(T_c=374℃、P_c=22.1MPa)以上,水的密度值、介电常数、离子积会下降,氢键会减少,以至于水成为一种具有高扩散性和优良传递特性的非极性介质。
短句来源
     In this paper an adapted and more practical formula for the water ionic product pKw = f(T.P) in critical and above-critical zones has been put forward, which is based on the systematical study no the existing formulae and on the chemical thermodynamical theory.
     本文在系统地研究了国内外水的离子积计算公式基础上,根据化学热力学理论,提出临界区和超临界区水的离子积pK_W=f(T.P)计算公式。
短句来源
  “离子积”译为未确定词的双语例句
     (1) Volume change of the precipitate formed by and thorium ion concentration as well as pH value of the System: Th(NO_3)_4—NaIO_3—H_2O have been studied and it is found therefrom that by the reaction of thorium nitrate Th(NO_3)_4 and Sodium iodate NaIO_3 in solution only precipitate of definite composition corresponding to Th(NO_3)_4 is formed.
     肯定了过程中只生成固定组成,分子式为Th(IO_3)_4的沉淀。 (2)利用碘酸钍在不同稀酸溶液中溶解度和pH值的测定,计算了碘酸钍离子积K_1,K_2,K_3,K_4等值。
短句来源
     By using variance analyisis correlative coefficient and partial correlative test, the new formula presented by Mr, zhou has been considered to be mor satisfactory than others made before.
     本文对周培根同志提出的关于水的离子积与温度的定量关系:Pk_w(T)=A+B/T+ClnT+DT,,用多元回归分析法经计算得出A、B、C、D四个系数。 并计算出多元回归分析所需一系列数据、用方差分析、相关系数分析及偏相关检验等方法,说明该公式是较为精确的。
短句来源
     The equations are given for the calculation of equivalent point Ve of monoprotic acidwith logK<10。 Only the titrant volume and hydrogen ion concentration are needed to beintroduced as variables。 The stability constant of acid K and the dissociation constant ofwater K_w need not to known and can be calculated from the equations with, the V_e.
     本文介绍确定logK稳≤10的一元酸等当点的计数公式,仅输入滴定剂体积和氢离子浓度,就可以将等当点体积Ve,酸的稳定常数K和水的离子积Kw一起算出,二元酸的计算方法与一元酸类似。
短句来源
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  ion product
Serum phosphorus levels and values for the calcium-phosphorus ion product in serum often decline as plasma PTH levels fall during treatment.
      
The serum calcium-phosphorus ion product decreased during the first 8?weeks and values did not change subsequently.
      
Measures to preserve renal function should therefore also comprise the maintenance of hemoglobin, serum lipid, and calcium-phosphorus ion product levels in the normal range.
      
A nearly constant ion product, over a wide variety of conditions, was obtained for a tricalcium phosphate (TCP)-like phase suggesting that the molecular unit which governs the solubility of ACP may be similar in composition to TCP.
      
The introduction of 10% acid phosphate into the formula for the TCP ion product improves the fit of experimental data and results in an invariant ion product.
      
更多          
  ionic product
This reaction is necessarily characterized by a large change in geometry between neutral complex and ionic product.
      
In a prospective trial 42 consecutive ERCP/EST patients were randomized to receive either iopromid, a low-osmolar non-ionic contrast agent (770 mosmol/kg H2O), or iotrolan, a blood-isotone non-ionic product (320 mosmol/kg H2O).
      
The ionic product of water in highly concentrated aqueous electrolyte solutions
      
It is demonstrated that the ionic product is related to the pH according to IPc = A.pHB.
      
The ionic product of 10750oxy-apatite has been calculated from data sets from the hard water rivers Rhine and Rhone.
      
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(1) Volume change of the precipitate formed by and thorium ion concentration as well as pH value of the System: Th(NO_3)_4—NaIO_3—H_2O have been studied and it is found therefrom that by the reaction of thorium nitrate Th(NO_3)_4 and Sodium iodate NaIO_3 in solution only precipitate of definite composition corresponding to Th(NO_3)_4 is formed.

(1)本文应用了沉淀体积变化,pH值测定及一系列体系溶液中钍离子含量测定等法研究了硝酸钍与碘酸钠溶液相互作用生成沉淀的情形。肯定了过程中只生成固定组成,分子式为Th(IO_3)_4的沉淀。 (2)利用碘酸钍在不同稀酸溶液中溶解度和pH值的测定,计算了碘酸钍离子积K_1,K_2,K_3,K_4等值。

The full equation for the degree of hydrolysis of salts and the dissociation constant of hydrolysate is established on the basis of the hydro-lysate is established on the basis of the hydrolysis relationship for salts and the expression of ion product of water. To compare the design value with the experimental value, the average deviation of the degree of hydrolysis of the potassium alum solution is 0.6%, dissociation constant pKb =11.6±0.1, and the average deviation of the ion product of water pKw less than...

The full equation for the degree of hydrolysis of salts and the dissociation constant of hydrolysate is established on the basis of the hydro-lysate is established on the basis of the hydrolysis relationship for salts and the expression of ion product of water. To compare the design value with the experimental value, the average deviation of the degree of hydrolysis of the potassium alum solution is 0.6%, dissociation constant pKb =11.6±0.1, and the average deviation of the ion product of water pKw less than 0.06, thus improving the formula established by H.N. EPEMNH of the USSR.

根据盐类水解关系式和水的离子积计算公式,建立了计算盐类水解度和水解产物离解常数的完全方程式。计算值同实验值比较,钾明矾溶液水解度平均偏差为0.6%,离解常数pK_b=11.6±0.1,水的离子积pK_w平均偏差小于0.06,从而改进了苏联的计算公式。

In this paper an adapted and more practical formula for the water ionic product pKw = f(T.P) in critical and above-critical zones has been put forward, which is based on the systematical study no the existing formulae and on the chemical thermodynamical theory. Compared with Sweeton's experimental pKw value under 0-300℃, the average deviation of the pKw value obtained by the adapted formula is 0.008, which is close to that by Marshall's formula under 0-300℃ and 1-1000 bar. From this formula, other relevant ones...

In this paper an adapted and more practical formula for the water ionic product pKw = f(T.P) in critical and above-critical zones has been put forward, which is based on the systematical study no the existing formulae and on the chemical thermodynamical theory. Compared with Sweeton's experimental pKw value under 0-300℃, the average deviation of the pKw value obtained by the adapted formula is 0.008, which is close to that by Marshall's formula under 0-300℃ and 1-1000 bar. From this formula, other relevant ones for pKw = f(T), pKw = f(T.p) can also be derived.

本文在系统地研究了国内外水的离子积计算公式基础上,根据化学热力学理论,提出临界区和超临界区水的离子积pK_W=f(T.P)计算公式。与Sweeton实验值比较,0°~300℃pK_W平均偏差0.008;0°~300℃,1—1000bar pK_W计算值接近Marshall公式的计算值,但比它实用。同时,可以导出pK_W=f(T)pK_W=f(T.ρ)类型的计算公式。

 
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