查询词典 acid-carbonate

Qualitative and quantitative analysis of chemical constituents.(1) Based on the GC spectrum of 2 species, Whitmania pigra and Poecilobdella manillensis shows little difference between them. 24 kinds of fatty acid in Whitmania pigra was firstly separated and determined by GC/MS. Among them, phenylacetic acid is a component which has active of anticancer. The existence of many unsaturated fatty acid provides chemical evidence for ShuiZhi's functions of invigorate the circulation of blood.

六首次对两种水蛭的脂肪酸类化合物进行了GC定性分析，发现其脂肪酸组成未见明显差异，后又对宽体金线蛭的脂肪酸类化合物进行了GC-MS分析，初步鉴定出24个化合物，包括苯乙酸、龙脑和22种脂肪酸，其中所含的苯乙酸具有抗肿瘤活性，大量不饱和脂肪酸的存在为水蛭在血液流变学方面的药理作用提供了一定的化学依据。

The extraction of Pr3+was studied by using heptane containing bis(2-ethylhexyl)phosphinic acid in sodium perchlorate,chloroacetic acid and citric acid medium ,respectively.

研究了二(2-乙基己基)膦酸(PIA-8)的庚烷溶液分别在高氯酸钠、氯乙酸、柠檬酸介质中对Pr3+的萃取。

In order to improve the electrocatalytic activity of the anode in the Direct Methanol Feul Cell, three kinds of transition metal substituted phosphomolybdic acid modified platinum electrodes were prepared, and the electrochemical behavior in the sulphuric acid solution of transition metal substituted phosphomolybdic acid modified platinum electrodes and their electrocatalytic effects of methanol oxidation were studyed. The anti-poison effect to carbon monoxide of the prepared electrodes were studied by the carbon monoxide adsorbing.

为了提高直接甲醇燃料电池阳极催化活性，本文研究了三种过渡金属取代磷钼酸修饰铂电极在硫酸溶液中的电化学行为及对甲醇的电催化氧化作用，并利用一氧化碳吸附实验评价了三种过渡金属取代磷钼酸修饰铂电极的抗一氧化碳毒化性能。

The level of serum uric acid and urinary uric acid were determined by phosphotungstic acid method.

目的 观察青秦液对高尿酸血症大鼠尿酸代谢及相关酶活性的影响。

Methods The adsorbing effect of montmorillonite was observed in vitro and the effect of decreasing serum concentration of uric acid was studied on acute hyperuricemia model mice. The concentration of uric acid was measured by the reduction method of phosphotungstic acid.

用离体实验研究蒙脱石对尿酸的吸附作用；用小鼠高尿酸血症模型研究蒙脱石降低血尿酸的作用；用磷钨酸还原法测定尿酸含量。

Catalyst system of phosphotungstic acid and tartaric acid or phosphotungstic acid and 4-amino-antipyrine can be reused five times and the yield was still 93.1% and 80.6%, respectively.

磷钨酸－酒石酸钾钠和磷钨酸－4-氨基安替比林催化体系重复使用5次后，产率仍分别达到87.1%和80.6%。

The results indicated phthalid acid, benzoic acid and cinnamic acid all inhibited the germination of different processed tomato varieties, which caused lower germination rates and shorter radicle compared with those of ck. The difference reached significant level or extremely significant level.

结果表明：邻苯二甲酸、苯甲酸和肉桂酸均抑制了加工番茄不同品种种子的萌发，表现在萌发率、胚根长较对照均有所降低，差异达到显著或极显著，而且随有机酸浓度的增加，这种抑制程度也逐渐增强。

This acid is called "picolinic acid" When food containing zinc or zinc supplements reaches the small intestine and duodenum, the pancreas excretes picolinic acid.

这种酸是所谓的&烟酸&当食品含有锌或锌补充剂到达小肠和十二指肠，胰腺排出，烟酸。

Within carboxylic groups, the coordination properties of carbonyl were studied and tn SEM graphs of picolinic acid, meta-methyl benzoic acid and 2-chloro-benzoic acid systems, a large amount of chains like structures probably caused by crystal growth have been firstly observed.

首次在杯[4]芳烃下沿羟基引进亲电性的三乙氧基硅基异腈酸丙酯，并且根据能量传递与匹配的机理合成了五种新型以改性超分子为功能片段的强键型杂化材料，其中与铽能量传递与发射情况最为优异。

The result of polyhydroxy benzamides for whitening, the activity evaluation of tyrosinase inhibitory, it has apparently effect on the caffeic acid, gallic acid and 2, 5-dihydroxybenzoic acid of amide derivatives (IC50 = 62.41~130.28 μg/ml), but some of the compounds show apparently the activity of tyrosinase inhibitory,(ex:IC50 = 71.70 μg/ml of compound 12 and 57.26 μg/ml of compound 24) inhibitory efficacy.

多酚醯胺化合物在美白活性结果，抑制酪胺酸酶活性评估，以咖啡酸、没食子酸及2， 5-二羟基苯甲酸之醯胺衍生物效果最为显著(IC50 = 62.41~130.28 μg/ml)，但也有少酗坐あX物显示出明显抑制酪胺酸酶活性能力，如(Compound 12之IC50 = 71.70 μg/ml、Compound 24之IC50 = 57.26 μg/ml)也出现较强之抑制酪胺酸酶活性能力。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。