混合碱

本文阐述了用溶胶-凝胶技术制备Na2O-K2O&SiO2体系的玻璃并对其混合碱效应进行研究的结果。

In this paper glasses in Na_2O-K_2O-SiO_2 system were prepared by sol-gel technique and the of-fect of Na ~ + - K ~ + mixed cations were studied . The x-ray , IR and A.

当Li，Na和K3种碱金属共存时，玻璃的热膨胀系数与组成的关系曲线出现2个极小点，且出现负的混合碱效应。

When K ~ + , Na ~ + and Li ~ + exist simultaneously in the glass , the two minimum peaks and complex mixed alkali effect can be observed from the composition-thermal expansion coefficient curve .

得到的最佳反应条件为：交联剂和引发剂摩尔分数分别为0.34%和0.0013%，中和度77%，混合碱中氨的摩尔分数为40%，反应温度50℃，反应时间6h。

The optimum reaction conditions were 0.34 % molar fraction of crosslinking agent , 0.0013 % molar fraction of initiator , 77 % neutralization degree , polymerization at 50 ℃ and 6h .

混合碱效应对碲酸盐玻璃热稳定性的影响

Effect of Mixed Alkali on the Thermal Stability of Tellurite Glasses

利用条件浓度提高混合碱分析的准确度

Improving the accuracy of the mixed base analysis by conditional concentration

氯化钡法测定混合碱的改进

Improvement in Hybrid Alkali Measurement by Adopting Chlorination Barium Method

自动电位滴定法用于混合碱的测定

The Mensuration of Alkali Admixture by Automatic Electric Potential Titration

混合碱效应对玻璃化学稳定性的影响

Influence of Mixed Alkali Effect on Mechanical Stability of Glass

混合碱分析中双指示剂法测定条件的选择

The Selection of Determination Condition by Double Indicator Method for Mixed Base Analysis

混合碱法甘蔗渣基活性炭的制备工艺研究

Studies on the Technology of Bagasse-Based Activated Carbon Prepared by Mixed Base Method

氯化钡法用于混合碱的定性及定量分析

The Application of Barium Chloride in the Qualitative and Quantitative Analysis of Mixed Base

可溶性硅酸盐体系混合碱的分析

Analysis of Mixing Base in Dissoluble Silicate

次级碳酸锂、铝渣及混合碱对瓷釉高温特性影响的研究

Effect of Secondary Lithium Carbonate , Aluminium Cinders and Mixed Alkali on China Glaze Hi-temp Properties

溶胶-凝胶法含Na~+-K~+玻璃的混合碱效应

The Effect of Mised Cations of Na ~ + - K ~ + Glasses by Sol-gel Process

结果清楚地表明：当在不同温度下进行热处理时，样品的混合碱效应将发生变化。

The result showed clearly that whileheated at different temperatures , the effect of mixed cations changed .

酸碱滴定法与电感耦合等离子体原子发射光谱法联合测定混合碱中碳酸钠和碳酸氢钠

Determination of sodium carbonate and sodium bicarbonate in mixed base by acid-base titration combined with inductively coupled plasma atomic emission spectrometry

混合碱测定中第一计量点及第二计量点的判断，由于酚酞，甲基橙指示剂终点不敏锐，效果不佳。

Phenolphthalein and methyl orange as indicators for the determination of mixed base are insensitive to the titration point , and results in the errors of measurement .

本文对于混合碱分析中双指示剂法的测定条件进行了定量处理，对其分析结果的准确度给予了评价。

This article has treated the determing condition by double indicator mathod for Mixed base analysis Quantitatively . Moreover the accuracy of the analytical results is evaluated as well .

用酸碱度计量度水样本的酸碱值。用氯化钠折光仪量度样本的氯化钠含量。酸碱滴定法与电感耦合等离子体原子发射光谱法联合测定混合碱中碳酸钠和碳酸氢钠

Measure pH of the seawater by a pH meter . Measure salinity by a refractometer . Determination of sodium carbonate and sodium bicarbonate in mixed base by acid-base titration combined with inductively coupled plasma atomic emission spectrometry

此类化合物合成的第一步反应均是基于交叉羟醛缩合反应，同时又根据所用碱性催化剂的不同分为钙法、钠法和混合碱法等；

The first step of synthesis for these compounds are all based on cross-aldol condensation , and can be also divided into calcium method , sodium method and mixed alkali method namely due to the different alkaline catalysts used in the reaction .

在混合碱的测定中，采用自动电位滴定一阶导数曲线法确定滴定终点，与双指示剂法相比，本法具有终点灵敏、误差小等优点，大大提高了测定结果的准确度和精密度。

Alkali admixture is determined by automatic electric potential titration and One ank-derivative curve to determine titration terminal point . Compared to double index sign method , the automatic electric potential titration has more advantages : Mensuration terminal point delicacy , smaller error , and so on .

K2CO3/CH3COOK混合固体碱催化合成肉桂酸

Synthesis of Cinnamic Acid Using Solid Base as Catalyst

竹木混合浆碱处理段加入过氧化氢的多段漂白试验

Multi-stage Bleaching of Mixed Bamboo Pulp and Wood Pulp with H2O2 Addition at Alkali Extraction Stage

白钨精矿与黑白钨混合矿碱分解的方法与设备

Introduction of a new achievement : process and equipment of caustic decomposition of low-grade scheelite and Scheelite-Wolframite mixed concentrates

在本文研究中发现对混合性碱反流或以碱性反流为主的患者，肺功能检查未见明显异常，提示酸是引起肺功能损伤的致病性关键因素。

There were no abnormal lung function test result in the base reflux or combining base reflux patients , which suggests that acid reflux be the main element in GERD patients .

用稀碱液对柴油（催化裂化柴油与直馏柴油等比例混合）进行碱洗，然后加入稳定剂，柴油安定性得到显著改善。

Diesel stability was greatly improved by caustic washing and stabilizer .

混合酸或碱溶液滴定的计算机模似

Computer Simulation of Titration of Acid or Base Mixture

混合材对碱&碳酸盐反应的影响

Effect of mineral admixtures on alkali - carbonate reaction

混合酸（碱）分步滴定的终点误差公式的推导及讨论

Derivation of Terminal point Error Formula of Mixed Acids ( Bases ) Respective Titration Its Discussion

棉籽混合油连续碱炼

Continuous Refining of Cottonseed Miscella