碳酸根

研究了热处理温度和气氛对这些CHA的烧结、热稳定性和碳酸根替代的影响。

Effects of heat treatment temperature and atmosphere on the sinter , thermal stability and carbonate substitution of CHA were investigated .

利用化学传感器精确地确定各无机碳种类（包括CO2气体、碳酸氢根离子和碳酸根离子）的浓度，是研究海洋无机碳酸盐体系的核心技术手段之一。

To utilize chemical sensor to accurately determine the concentration of each inorganic carbon species ( CO2gas , bicarbonate ions , and carbonate ions ) is one technique for studying the ocean inorganic carbon system .

说明碳酸钠或碳酸氢钠对菌丝生长的抑制作用，一方面是由于改变了培养基的pH值，另一方面可能是由于碳酸根和碳酸氢根离子抑制了菌丝的生长。

It indicated that mycelial growth inhibition was resulted from both pH in medium and carbonic acid ions .

在二氧化碳气氛中进行后期热处理时，碳酸根能进入到HA的晶格中，形成以A型替代为主的碳酸羟基磷灰石。

The CO32-can enter HA lattice to form carbonated hydroxyapatite with prevalence to A-type substitution after heat treatment in carbon dioxide atmosphere .

结果表明，EAA能使LDH层间可交换的阴离子碳酸根脱出，且与LDH产生化学键作用形成羧酸金属离子键，减小LDH片层之间的相互作用；

It showed that EAA had released the original interlayer exchangeable carbonate anions of the LDH , and reacted with LDH forming carboxylic acid metal ionic bond .

结果表明提高电压、降低pH和加入一定量的铁盐对降解有利；而正丁醇和碳酸根离子会降低苯酚的去除速率。

Enhancing the applied voltage , lowering the solution pH and adding appropriate amounts of Fe2 + or Fe3 + to the solution have shown to be favorable for phenol degradation . Carbonate ions or n-butanol in the solution can decelerate the phenol removal .

结果表明：在SBF中浸泡后，两种玻璃陶瓷表面都能生成含碳酸根的羟基磷灰石（HA）层，显示这两种材料具有良好的生物活性；

The results show that the surfaces of the two materials are covered with a layer of carbonate hydroxyapatite ( HA ) when soaked in SBF , which indicates they are bioactive .

人体骨的主要无机成分是羟基磷灰石（HA），其基本特点是缺钙、尺寸小（纳米级）、结晶度低、含碳酸根离子。

Hydroxyapatite ( HA ) is the major inorganic in human bones . The distinct features of HA in bones are calcium-deficient , small size ( nanometer sized ), low crystallinity and presence of carbonate ions in the crystal lattice .

故我们做了以下几个方面的工作：以高过饱和共沉淀法合成不同摩尔比的碳酸根型镁铝水滑石均具有层状结构。通过XRD，IR，TG-DTA和SEM手段对其进行表征。

The thesis that provided some functions for further exploitation bio-diesel was as follows : Mg-Al hydrotalcites with different Mg : Al ratios were prepared by coprecipitation at high supersaturation method and characterized by XRD , IR , TG-DTA and SEM .

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 - .

结构中的原子排列与化合物Ba3La2（CO3）5F2相似，可被描述为平行于（102）层间有序结构，层与层之间通过碳酸根相联结。

The atomic arrangement compares very closely to that of synthetic Ba3La2 ( CO3 ) 5F2 . It can be described as an intra - layer-ordered structure with layers parallel ( 102 ) that are interconnected by carbonate groups .

含部分碳酸根的针状羟基磷灰石晶体的均相合成

The Preparation of Needle-like Carbonate-containing Hydroxyapatite Crystals by Homogeneous Precipitation Method

间接确定磷灰石中碳酸根含量的几种方法对比

Comparison of Several Indirect Methods for Determination of Carbonate in Apatites

大别山榴辉岩中磷灰石的结构碳酸根

Structural carbonate within apatite from eclogites in the southeastern Dabie Mountains

本文研究了海水中碳酸根在固体粒子上的吸附。

The adsorption of carbonate on solid particles in seawater were investigated .

碳酸根浓度含量较低时，出现β-TCP相。

There was TCP phase when carbonate ion concentrations was comparatively low .

GB/T11848.5-1999铀矿石浓缩物中碳酸根的测定非水滴定法

Determination of carbonate in uranium ore concentrate by titration in non-aqueous solvent

碳酸根离子也是活组织中的一种重要的碱。

Bicarbonate ions also serve as an important base in living tissue .

碳酸作用是碳酸根离子或重碳酸根离子与矿物的化合作用。

Carbonation is the combination of carbonate or bicarbonate ions with minerals .

抑制型离子色谱间接电导法测定碳酸根

Indirect Conductimetric Detection of Carbonate by Suppressor Ion Chromatography

人工海水中碳酸根-碳酸氢根离子对的研究

Study of carbonate and bicarbonate ion-pairs in artificial seawater

离子色谱法测定油田有色地层水中的碳酸根和碳酸氢根

Determination of Carbonate and Bicarbonate in Colored Oilfield Underground Water by Ion Chromatography

碳酸根和碳酸氢根离子对钻井液的污染及处理

Contamination of Drilling Fluid by Carbonate Ion and Bicarbonate Ion and Its Treatment

碳酸根含量对碳酸羟基磷灰石形貌和热处理的影响分析

Effect of carbonate contents on the morphology and heat treatment of carbonated hydroxyapatite

海水中碳酸根与固体粒子的相互作用

Interaction of carbonate and solid particles in seawater

常温高压下碳酸根离子的拉曼谱峰标定压力初探

Raman Spectra of Carbonate Ions as Pressure Gauge at High Pressure and Room Temperature

微环境中一定浓度的钙离子、磷酸根离子和碳酸根离子的存在是形成碳酸化羟基磷灰石表面层的必要条件。

Calcium and phosphate ions and carbonate ions are necessary for the carbonate apatite formation .

结果表明：所合成的碳酸羟基磷灰石，碳酸根能够进入晶格。

The results show that the carbonate radical of HCA can enter into the crystal lattice .

硝态氮通常与重碳酸根共同作用，成为石灰性土壤地区植物黄化的重要原因。

Nitrate and bicarbonate coexisting in the calcareous soil are the two most important reasons for plant chlorosis .

含碳酸根的双相HA/β-TCP多孔钙磷陶瓷的制备及其材料中类骨磷灰石形成的研究

Studies on Preparation of Carbonate-contained Hydroxyapatite / β - tricalcium Phosphate Porous Ceramics and Formation of the Bone-like Apatite in the Ceramics