基本解释：质酸
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The influences of the proton acid,oxidant and emulsifier on the polymerization,structure and properties of products were studied by Infrared spectrum,particle-size analysis and corrosive potential.在磁场环境下,采用微乳液合成法,研究了质子酸种类、氧化剂和乳化剂种类等因素对苯胺聚合反应及产物性能的影响,并通过红外光谱、粒径分析、腐蚀电位等表征了PAn性能与结构。
On critical control points in yoghurt production and factors affecting yoghurt quality;酸奶生产过程中的关键控制点及影响酸奶品质的因素
The mechanism and characteristics about synergistic extraction of Nd3+ and Sm3+ by D2EHPA and HEHEHP from sulfuric acid medium were studied through the methods of slope,constant molecule and saturation extraction.采用恒摩尔法、斜率法以及饱和容量法研究从硫酸介质中用P204(D2EHPA,用(HA)2表示)与P507(HEHEHP,用(HL)2表示)协同萃取Nd3+或Sm3+的性能与机理,并测定协萃反应的热力学平衡常数Ks。
The extraction of Y3+ in sulfuric acid medium by mixture of HDEHP(di(2-ethylhexyl) phosphoric acid or P204),HEH/EHP(2-(ethylhexy1) phosphoric acid mono-2-ethylhexyl ester or P507) has been investigated.对HDEHP(二(2-乙基己基)磷酸或P204)和HEH/EHP(2-乙基己基膦酸单-2-乙基己基酯或P507)在硫酸介质中协同萃取Y3+的行为进行了研究。
The extraction and separation of Nd and Sm from sulfuric acid medium with mixed extraction of D2EHPA and HEHEHP were researched.对P204与P507混合萃取剂在硫酸介质中萃取分离Nd和Sm的行为进行了研究。
The extraction of Y(Ⅲ) in sulfuric acid medium using HDEHP(H2A2),HEH/EHP(H2B2),Cyanex272(H2L2) and their mixture have been investigated.对HDEHP(H2A2),HEH/EHP(H2B2),Cyanex272(H2L2)萃取剂在硫酸介质中单独以及HDEHP-HEH/EHP和HDEHP-Cyanex272混合萃取剂萃取稀土元素Y(Ⅲ)的机制进行了研究。
earthenware or glass carboy陶质酸坛或玻璃酸瓶
the process of becoming sour.使物质酸腐或发出酸味的过程。
THE PREPARATION OF HYALURONIC ACID FROM ROOSTER COMBS AND ITS PHYSICO-CHEMICAL PROPERTIES公鸡冠透明质酸的制备及其理化性质
The Study on the Preparation of Low Molecular Weight Hyaluronic Acid;低相对分子质量透明质酸的制备研究
A substance having a sour taste.酸味物质，酸性物质有酸味的物质
pH [water quality objective]酸碱值〔水质指标〕
A substance, such as magnesia or sodium bicarbonate, that neutralizes acid.解酸剂，抗酸剂，防酸剂一种中和酸的物质，如氧化镁或碳酸氢钠
portland-pozzolana cement火山灰质硅酸盐水泥
glial filament acidic protein胶质（细胞）纤丝酸性蛋白
cyclic amp receptor protein环腺苷酸受体蛋白质
degraded humus carbonate soil退化腐殖质碳酸盐土
true humus calcareous soil典型腐殖质碳酸盐土
para amino salicylate calcium tablet对氨基水杨酸钙质(yào)片
Measures were taken to correct electrolyte and acid-base imbalance监测电解质及酸碱平衡
acid dyes,weak acid medium dyeing弱酸介质染色的酸性染料
acid dyes,strong acid medium dyeing强酸介质染色的酸性染料
ADSORPTION, ACIDITY AND PHYSICO-CHEMICAL PROPERTIES OF HETEROPOLY ACID CATALYSTS杂多酸催化剂的吸附、酸性和物化性质
Theoretical Concepts and Practise of Siliceous Sandstone Reservoir Acidization by Mud Acids硅质地层土酸酸化工艺的理论与实践
