Besides, a certain proportion of sodium bicarbonate to acid ammonium carbonate is conducive to porosity of product structure and the reduction of product hardness.

Predicting of effective distance of live acid for carbonate reservoir acid fracturing and its influence factors

酸液有效作用距离预测及影响因素分析

In ammonium acid carbonate electrolyte, the acidic functional groups content was increased slowly with the current density enlarging at first and then decreased quickly, the maximum content was got at ( 1.4 A/ g.)

采用碳酸氢铵电解质时，纤维表面酸性官能团含量随着电流强度的增大先缓慢增大而后迅速减少，电流强度为14A/g时达到最大值。

The productive and applied present situation of anionic ammonium acid carbonate additive is summarized in this paper. The difference of use result is analyzed from molecular structure and product composition.

综述了反应型阴离子碳铵添加剂的生产应用现状，并从分子结构和产品组成上分析了使用效果差异；

Determination of alkyl sulfonyl chloride in the ammonium acid carbonate mother solution by mixed indicate two phases titration

碳酸氢铵生产母液中烷基磺酰氯测定&混合指示剂两相滴定法

A salt of carbonic acid in which one hydrogen atom has been replaced; an acid carbonate.

碳酸的一种盐，其中一个氢原子被替换，一种酸式碳酸盐。

The reaction order and activation energy of basic zinc carbonate and uranium in seawater

海水中铀与碱式碳酸锌的反应级数及活化能

Control of Preparation Condition of a Feed Supplement Super-fine Basic Zinc Carbonate

饲料添加剂超细碱式碳酸锌制备条件控制

Preparation of basic zinc carbonate from waste hydrochloric acid and effect of magnetic field

从废盐酸溶液制备碱式碳酸锌及磁场效应影响

Some effective methods have been given, for instance, decreasing the carbonate's hardness for the scale of recirculated water, thermal deoxidization, adding inhibitor and covering the metal surface with coating materials for the corrosion control of the system.

对于循环水结垢应采用降低循环水中的碳酸盐硬度和加阻垢剂；对于循环水系统的腐蚀可采用热力除氧、投加缓蚀剂及使用涂料覆盖于金属表面等方法。

This paper suggests that although relatively more complicated, this technique can remove the carbonate hardness, and SiO2, etc., and reduce the suspended substances in water, BOD5, and the turbidity of phosphor, etc.

认为：该工艺虽较复杂，但可有效去除碳酸盐硬度、SiO2等，降低水中的悬浮物、BOD5、磷浊度等。

Study on a new type of utmost carbonate hardness measuring instrument and its evaluation method

一种新型极限碳酸盐硬度测定仪及评价方法研究

Simultaneous determination of 8 elements in basic copper carbonate by IC P-AES

ICP-AES内标法测定碱式碳酸铜中8种微量元素

Preparation of Basic Copper Carbonate from Waste Etching Solution Containing Copper of Electronic Industry

利用含铜蚀刻废液生产碱式碳酸铜

Kinetics of Thermal Decomposition of Basic Copper Carbonate in Air

碱式碳酸铜在空气中的热分解动力学

Application of basic zinc carbonate in iron removal of zinc sulfate solution

碱式碳酸锌在硫酸锌溶液净化除铁中的应用

Study on Synthetic Methods and Application of Basic Magnesium Carbonate

碱式碳酸镁的应用及合成方法

The main aspects studied in this thesis include: ( 1) The influence of magnesium basic carbonate, the precursor in the carbonation method, on MgO activity and particle size under conditions of different stoving temperature, pyrolysis style and grit number.

碳化法制备的前驱物（碱式碳酸镁）在烘干温度、热解方式、过筛目数不同等各种条件对氧化镁活性及粒度的影响。

The influence of magnesium basic carbonate on MgO activity and particle size under conditions of different calcining time, calcining temperature and surface active agent.

碱式碳酸镁在不同的锻烧时间、锻烧温度、加表面活性剂等各种条件对氧化镁活性及粒度的影响。

The nanocrystalline ZnO particles were prepared by roasting basic carbonate precursor synthesized with very fine crystalline grain by using ZnSO_4.. 7H_2O, NaOH solution and NaHCO_3 powder.

以ZnSO4·7H2O为原料，添加NaOH溶液和NH4HCO3粉末，制备出晶粒细小的碱式碳酸盐前驱体。

The preparation and properties of pr(ⅳ,ⅲ) basic carbonate

镨（Ⅳ、Ⅲ）碱式碳酸盐的制备和性质