有机酸
- 名organic acid
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[organic acid] 见羧酸
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乳酸是一种具有重要工业价值的有机酸。
Lactic acid is an important organic acid of industrial importance .
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微生物溶解磷矿粉能力与pH及分泌有机酸的关系
The Relationship Between Rock Phosphate Solubilization and pH and Organic Acid Production of Microorganisms
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pH电位滴定法测定油田水中有机酸
Detemination of Organic Acides in Oilfield Water by pH Potential Titration
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用H2O2-有机酸氧化脱除催化裂化柴油中的硫化物
Desulfurization of catalytic diesel oil by hydroperoxide organic acid oxidation system
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有机酸在修复Cd污染土壤中的作用研究
Study on Effect of Organic Acid on Cadmium-Contaminated Soil Remediation
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甜橙内部乙烯含量增加,而苹果则减少,甜橙的维生素C和有机酸含量有所降低,而苹果则不然;
The vitamin c content and organic acid in the oranges lowered slightly , but not so for the apples ;
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由于有机酸生成少,苜蓿青贮的pH值一般较高。
The pH value of alfalfa silage was usually higher as the small amount organic acid .
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其营养丰富,果实中富含胡萝卜素、番茄红素、维生素C以及柠檬酸等有机酸和无机盐等。
It is the nutrient-rich fruits which contains much carotene , lycopene , vitamin C and citric acid and inorganic salts .
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HPLC双检测器法同时测定饮料中的有机酸与糖
Simultaneous Determination of Organic Acids and Sugars in Beverages by Dual Detectors - HPLC
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建立粟酒裂殖酵母发酵降解苹果渣中的有机酸技术,为后续乳酸杆菌发酵提供适宜的pH环境条件;
To set up a technology of acidity decreasing by fermentation with Schizosaccharomyces pombe to ascend pH value ;
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利用高效液相色谱测定了贵州省苗族地区6种不同风味的发酵型酸汤中有机酸的含量,另外测定了酸汤中Ca、p、Fe、Zn、Se等矿物质。
Six of fermented acidic liquid from Miao nationality of Guizhou Province were analyzed by HPLC in this paper .
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酸雨pH值受酸性离子(有机酸、无机酸)和碱性离子的影响。
PH value of acid precipitation is affected by acid ions ( organic acid and inorganic acid ) and alkaline ions .
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提高有机酸强度可增加次氯酸叔丁酯对BR的氯化效率;
The chlorination efficiency increased as the organic acid strength increased .
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小分子有机酸对蛇纹岩发育土壤Ni、Co的活化影响
The influence of small molecular organic acid on the activity of Ni and Co in serpentine rock growth soil s
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目前确诊甲基丙二酸血症有效方法是气相色谱/质谱法(GasChromatography/massSpectrometry,GC/MS)尿有机酸分析。
Definitive diagnosis of methylmalonic acidemia relies on analysis of organic acids in urine by gas-liquid chromatography / mass spectrometry ( GC / MS ) .
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北京市大气气溶胶PM(2.5)中水溶性有机酸的测定
Determination of Water Soluble Organic Acids in PM_ ( 2.5 ) of Atmosphere in Beijing City
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RP-HPLC法测定植物根系中有机酸含量
Determination of Organic Acids with Low Molecular Weight in Plant Roots by RP-HPLC
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此外,果实VC含量、可溶性糖含量与有机酸含量,以及糖酸比均下降,风味降低。
Besides , there was a decrease in the content of VC , soluble sugar and organic acid , and the sugar-acid rate .
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根据统计学规律,对塔里木盆地油田水进行了研究,阐明了该盆地油田水的碳酸盐平衡系数(简称为RC)与有机酸的基本特征。
According to statistical distribution theory , the characteristics of carbonate equilibrium ratios and organic acid content in oil_field water were described .
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把烟草中的有机酸衍生化后,用GCMS分别分析了烟丝干冰膨胀前后挥发性有机酸和非挥发性有机酸的含量。
Volatile organic acids and non volatile organic acids from the dry ice expanded tobacco were determined by derivation of organic acids and GC MS analysis .
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针对高含钡地层条件,以有机酸A和有机酸B为主要原料,制备了防垢剂FX。
A barium sulfate scale inhibitor FX for high barium - containing water was prepared with organic acids A and B as the main materials .
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臭氧处理抑制了红富士果肉硬度的下降,延缓了可溶性固形物的消耗,降低了水分损失,对有机酸无明显影响,但有加快维生素C损失的趋势。
Ozone retained decreasing of fruit firmness , delayed the loss of soluble solid contents and water , accelerated the loss of Vc , but no significant differences were found in contents of organic acid .
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当渗沥液的初始pH为5时,冷凝液主要成份为挥发性有机酸和低碳醇类物质,不含氨氮;
When the initial pH value of LRSP was 5 , the condensate mainly contained the volatile fat acids ( VFA ) and low molecular weight alcohols and nearly no ammonia .
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有机酸在γ-Al2O3表面自发单层分散及苯甲酸-γ-Al2O3表面结构的研究
Spontaneous Monolayer Dispersion of Organic Acids on the Surface of γ - Al_2O_3 and Studies on Surface Structure of Benzoic - γ - Al_2O_3 System
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本文复配的防腐剂包括:(1)酸性复配物(acidicmetalliccompound,AMC),是利用多种有机酸复配而成,并加入活性因子。
The preservative compounds included : ( 1 ) acidic metallic compound , AMC , was highly acidic compound containing organic acid compound and active factors .
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TBP萃取一元有机酸的研究
Extraction of some monocarboxylic acids with TBP
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通过测定麦汁与发酵液中有机酸的含量,确定了最佳的原料配比方案:60%的Tradition麦芽与40%的优质大米。
With measured of the organic acids contents in wort and fermented liquid , the optimal material proportion scheme was considered as : 60 % Tradition malt and 40 % rice .
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另外网套包装还可有效的减缓有机酸、硬度的变化,对乙烯生成量、可溶性固形物含量、Vc含量的影响不显著(P0.05)。
Also nets packaging could effective mitigate organic acids and hardness changes ; the ethylene production , soluble solids , Vc content was not significant ( P0.05 ) .
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几种低分子量有机酸、磷酸对BSA和酶在土壤胶体、矿物表面的吸附及活性影响
Effects of Several Low-Molecular-Weight Organic Acids and Phosphate on the Adsorption and Activity of BSA and Acid Phosphatase on Soil Colloids and Minerals
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一些不饱和有机酸在Pt-Rh合金电极上的吸附规律
Adsorption behavior of some unsaturated aliphatic acids on Pt-Rh alloy electrodes