The experimental results show that ammonia molecule is adsorbed preferentially on the B acid sites.
实验结果还表明氨分子在B酸中心上优先被吸附.
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Methods Extract rutin from Sophora japonica L . by the alkali extraction and acid precipitation.
方法从槐米中提取芦丁,并将其制备成对照品.
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By determining poy and acid number , the researchers find a satisfactory solution to the problem.
通过对过氧化值,酸价两项理化指标和感观检验的测取,获得令人满意的解决方法.
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分析了白色丙烯酸 - 聚氨酯汽车面漆粉化的原因,并提出了防止粉化的措施.
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当烟被点燃时, 融合了四千种化学品的气体被释放出来, 其中包括一氧化碳和氢氰酸.
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当烟被点燃时，融合了四千种化学品的气体被释放出来，其中包括一氧化碳和氢氰酸。
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Positiveness of acid-fast stains of urinary sediment and specificity of B-ultrasonography were low.
尿沉渣找抗酸杆菌阳性率较低,B超检查对泌尿系结核感染诊断的特异性较低.
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Acid and Basic Resistance, porosity permeability of the pot without water seepage.
耐酸碱, 锅体气孔透气且不渗水.
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Pomegranate: The pomegranate-temperature acid Sweet living body fluid, only the role of polydipsia.
石榴: 石榴性温味甘酸,有生津液 、 止烦渴作用.
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A nitrofluorescein compound was obtained from 4-nitro phthalic acid and resorcinol a yield of 85.
以 4- 硝基邻苯二甲酸、间苯二酚、氯化锌为原料合成硝基荧光素,收率为85.
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Result: The constituents of Flos Carthami are pigments, flavonoids, phenolic acid etc.
结果: 红花主要含有色素 、 黄酮类化合物及酚酸等化学成分.
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Adding poly acrylic acid ( PAA ) in the preparation of ammonium diuranate ( ADU ) was investigated.
本工作对在重铀酸铵 ( ADU ) 的沉淀反应中加入聚丙烯酸 ( PAA ) 的工艺进行试验研究.
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Ingredient: Shea butter, polyclonal keratin and amino acid etc.
主要成份: 乳木果、角朊蛋白、氨基酸 、 聚季铵盐、阳离子泛醇.
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The acid number of polyester imides polyol is a critical value for qualified polyurethane.
聚酯亚胺多元醇酸值是聚氨酯的一个重要指标.
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