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- removal of alkali metals 排碱
- Based on the characteristics of biomass fuel, this article summarizes the sources of alkali metals in biomass and the elutriation and migration. 摘要在明确了生物质燃料特点的基础上,对生物质中碱金属元素的来源和析出迁移规律进行了概述。
- Different concentrations of oxygen-bearing organic matter show different influence on the absorbance of alkali metals with different regularities. 实验结果表明,不同浓度的含氧有机物对碱金属族各元素的吸光度影响幅度是不同的,其影响规律也有所不同。
- This review summaries the application of ion exchangers in the separation and determination of alkali metals, alkali-earth metals, noble metals, rare earth elements and actinoid. 离子交换剂在萃取色谱中得到了广泛的应用,本文详细总结了离子交换剂在分析化学中用于碱金属、碱土金属、贵金属、稀土元素、锕系元素等的分离与测定。
- In the analysis of alkali metals by atomic absorption spectrometry,the oxygen-bearing organic matter with high dissolvability affects the absorbance of alkali metals greatly. 原子吸收光谱法是目前对碱金属族各元素进行分析检测的主要方法之一,在检测的过程中若试样中存在水中溶解度较大的含氧有机物时,碱金属元素的吸光度将受到影响。
- Non-alkali cloth made form aluminum boron silicate glass contains less than 0.8% of alkali metal oxide. 无碱布采用铝硼硅酸盐玻璃成份,其碱金属氧化物含量不大于0.;8%25。
- Different functional group also brings different influence for the absorbance of alkali metal. 有机物官能团上的差异也将对碱金属元素的吸光度产生不同的影响。
- Sulfurfixing aids in coal water slurry help to increase the fixing-rate. The rate could be increased to 6%~9% when the mixture contains 1% of alkali metal ions. 制备脱硫型水煤浆时添加少量固硫助剂可以提高水煤浆的固硫率;碱金属盐用量为固硫剂1%25时;固硫率提高6%25~9%25.
- Surgical removal of part or all of the uterus. 子宫切除术将子宫的全部或部分通过外科手术切除
- In the paper, the interatomic pair-potentials of alkali metals (Li, Na, K, Rb, Cs ) were obtained by Carlsson-Gelatt-Ehrenreich(CGE) method and Chen-Mobius inversion transform based on the results of curve of binding energy by ab initio method. 基于结合能曲线从头计算的结果(基于晶格常数、结合能和体模量的实验数据),分别运用CGE方法和陈氏三维晶格反演方法计算了碱金属Li,Na,K,Rb,Cs的原子间相互作用势。
- Surgical removal of all or part of a lung. 肺切除术,肺部分切除术对整个或部分肺的外科手术切除
- The distribution and reaction of alkalis metals in BF are discussed. 发现高炉中的碱金属主要由烧结矿和燃料(焦炭、煤粉)带入,通过炉渣排出;
- He consented to the removal of the flags. 他同意撤走旗帜。
- Surgical removal of part of the iris of the eye. 虹膜切除术手术切除部分虹膜
- The influence of alkali metal promoter in Ni-based catalyst for catalytic oxidation of methane with air to syngas was investigated by using TPO, CO_2-TPD, XPS and CO pulse chromatograph. 考察了添加在镍基催化剂中的碱金属助剂对甲烷与空气制合成气的催化反应性能的影响。
- Surgical removal of a nerve or part of a nerve. 神经切除神经或其一部分的外科节除手术
- The synthesis technologies of alkali metal alkoxides(phenoxides) and their applications in liquid polybutadiene rubber,styrene-butadiene rubber and organic synthesis were reviewed with 35 references. 综述了碱金属醇、酚盐几种不同的合成方法及其在液体聚丁二烯橡胶、丁苯橡胶和有机合成等领域的应用。
- Our ultimate objective is the removal of all nuclear weapons. 我们的最终目标是消除所有核武器。
- Loss or removal of normal pigmentation. 褪色丧失或转移正常的着色
- THE EINSTEIN TEMPERATURES OF ALKALI METALS 碱金属的爱因斯坦温度