弱碱

采用弱碱NH4HCO3控制pH软化学合成法，研制了TiO2纳米粒子。

TiO_2 nano-particle is developed by using the weak base NH_4HCO_3 to control pH soft chemical synthesis method .

当Mn2+在弱碱性中（pH为9～10）反应生成难溶于水的红色螯合物，悬浮物在明胶存在下形成透明、均匀、稳定的有色溶胶。

Mn2 + in weak base can creat red chelate which is very slightly soluble . Under gelatin 's presence , suspended matter forms diaphaneity , homogeneous and stable , colored sol .

一元弱酸弱碱盐溶液的PH探讨

Discussion on the PH in the Monobasic Weak - acid Weak - base Salt Solution

固定pH滴定法测定弱碱性药物西米替丁

Determination of Cimetidine by pH-fixed Titration Method

固定pH滴定法用于检测弱酸弱碱性药物的研究&Ⅰ.盐酸苯海拉明和盐酸阿米替林的测定

PH-Fixed Titration to Weak Acidic or Weak Basic Drugs I. Determination of Amitriptyline and Diphenhydramine

计算一元弱酸或弱碱溶液pH值的新公式

A new equation for calculating the pH value of solutions of monoprotic weak acid or base

弱碱性阴离子交换纤维吸附H2S和CO2混合气体的研究

Research for Adsorption of H_2S and CO_2 Mixing Gas on Alkalescence Anion exchange Fiber

报道一种水溶液中测定弱酸弱碱性药物的新型滴定分析方法&固定pH滴定法。

A novel titration method in aqueous solution , fixed pH titration , for weakly acidic and basic drugs is presented .

在特定时期，施用硅肥可以提高酸性水稻土Eh，降低弱碱性和碱性水稻土的Eh。而施用葡萄糖具有降低土壤Eh的作用。

The Eh of soil is decreased by application of glucose .

文章基于维多利亚蓝B与脱氧核糖核酸在弱碱性条件下共振光散射的增强效应。

The enhancement of the Resonance Light Scattering ( RLS ) due to Victory blue-B on the molecular surface of DNA in alkalescence solution was studied .

用此互贯树脂胺化所得弱碱树脂处理COD较高的废水或对蜜糖脱色等均效果较好。

This kind of aminated PS-PVC resin has good result in treatment higher COD value waste water .

高温弱碱稀盐法从啤酒废酵母中提取RNA

Extracting RNA from spent brewer 's yeast by the new technology rare salt of high temperature of weak base

矿浆pH值对试样可浮性影响较小，中性或弱碱性条件下，试样可浮性最佳。

The pH value has little effect on flotability of samples , and flotability achieves the best effect when pH is neutral or weakly alkaline .

有机弱碱体系中介孔分子筛MCM-41的合成与表征

Synthesis and characterization of mesoporous molecular sieve MCM-41 in organic weak base

OCS表面活性剂在弱碱、无碱条件下的界面张力性能研究

Interfacial Tension Properties of OCS Surfactant with Weak - base and without Alkali

强酸弱碱型两性离子交换纤维的制备I.苯乙烯和4-乙烯基吡啶的接枝共聚

STUDIES ON THE PREPARATION OF STRONG ACIDIC-WEAK BASIC AMPHOTERIC ION EXCHANGE FIBER I. the grafting copolymerization of styrene and 4-vinylpyridine onto polypropylene fiber

制备了三种互贯网络弱碱性阴离子交换树脂（NR系列）。

Three kinds of weak basic anion exchange resins ( NR series ) with interpenetrating networks have been prepared .

研究表明，在弱碱性矿浆中（pH值75～85）能够较好地实现载金矿物与脉石矿物的浮选分离。

The study on various influential factors in flotation concentration proved that the gold bearing minerals can be well separated with lode ore in mild basic slurry of pH 7.5 ~ 8.5 .

本文介绍了一元弱酸或弱碱溶液pH值计算的一种新公式，该公式简单、准确度好，对多种溶液的pH进行了计算，结果满意。

A new equation are given for calculating pH value of solutions of mono - protic weak acid or base . The equation is simple accurate and has been applied with satisfactory results .

反应温度与pH值均影响凝胶强度，在温度超过70℃的范围内，均能形成稳定的凝胶；体系在中性或弱碱性时，凝胶的强度最大。

The reacting temperature and pH have affected the gel strength , which can produce the steady gel exceeding 70 ℃, and the gel strength is most in the neutral or alkalescent system .

Eosin5NCS在弱酸性介质中的荧光强度明显高于在弱碱性介质中的荧光强度，但荧光强度随溶液pH的变化较敏感，需要小心控制。

The fluorescence intensity of eosin-ITC in weak acidic medium is higher obviously than that of in weak basic medium , but it is sensitive to change of pH , be careful to use .

采用中强碱和弱碱混合物做缓冲剂，可使漂白过程的pH值既不过高，也不过低，对提高漂白速度和浆的白度有利。

Acting as moderator , the intermixture of strong alkali and weak base can stabilize pH values in the performance and can improve bleaching velocity , as well as the brightness of the pulp .

弱碱制备ZnO的DSSC填充因子较大，开路电压随盐碱比减小而增大。

Higher fill factor is obtained by weak alkali and the voltage increases with the decrease of rate between salt and alkali .

无论在弱酸性还是弱碱性介质中，硝基甲烷在WC电极上的还原主要受扩散步骤的控制。

Whether in acidic or in alkali solution , the electrochemical reactions of nitromethane on WC electrodes are controlled mainly by the diffusion of reactants .

可见，NH4C1弱碱法用于建立病毒持续感染细胞系是十分有效的。

As noted above , the NH_4Cl weak base method used for establishment of the cell line persistently infected with virus was particularly effective .

弱碱性脱墨工艺由于省去了大量化学品，因此外排废水的COD明显减少，脱墨浆的生产成本较低。

The weak alkaline deinking process saves a large amount of chemicals , so the COD of waste water decreased significantly and the production cost of deinking pulp is very low .

根据酸碱质子理论，将弱酸及弱酸盐和弱碱及弱碱盐组成的两种不同类型的缓冲溶液pH值的计算公式统一起来了，这样更便于教学。

Two different kinds of pH value calculation formula about weak acid weak acid salt and weak base weak base acid were unified on the basis of proton theory of acids and bases , thus teaching becomes easier .

结果：LAP在弱酸性溶液中较稳定，在弱碱性溶液中水解较快；在血清和组织匀浆中易水解，在肝匀浆中水解最快；

RESULTS : LAP was more stable in weak acid solution than in base solution and hydrolyzed fast in serum and tissue homogenates , especially in liver homogenate .

结果表明，软岩在饱水过程中，水溶液的pH值将逐渐减小，由弱碱性向酸性过渡，这些变化率为2%～46%。

The results show that during the saturation process , the pH value of the solution declines , the solution turns from light alkalescence to acidity , and the rates of that transformation are 2 % ~ 46 % .

并通过三种实验方案的比较，最终选定处理效果最佳的强酸H床&弱碱OH床工艺作为尼龙66盐工业废水的处理方法。

And pass the comparison of three kinds of experiments project , choice the best method " strongly acidic H resin and weakly basic OH resin " in result is used as the nylon 66 salt industrial waste waters handles method .