富马酸
- 与 富马酸 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Then ferrous fumarate was prepared by the reaction of fumaric acid with ferrous sulfate.
再由富马酸与硫酸亚铁反应制取富马酸亚铁。
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Synthesis of dimethyl fumarateby esterification of fumaric acid with methanol catalyzed by solid su- peracid SO_4~(2-)/TiO_2was proposed in this paper.
以SO_4~(2-)/TiO_2固体超强酸为催化剂催化富马酸与甲醇合成富马酸二甲酯,探讨了催化剂制备条件、原料配比、反应时间、催化剂用量等因素对富马酸二甲酯收率的影响。
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The invention aims at the special physicochemical properties of boletic acid, when rhizopus oryzae free cell is utilized to ferment, the invention adopts a hollow fiber ultrafilter membrane, concentration by nanofiltration and ion exchange adsorption coupling technique to separate and extract boletic acid.
本发明针对富马酸独特的理化性质,在利用米根霉游离细胞发酵的同时,采用中空纤维超滤膜、纳滤浓缩和离子交换吸附耦合技术分离提取富马酸。
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Methods: Randomly divided 80 cases with chronic cardia failure into two groups, regular therapy group and bisoprolol group with 40 cases per group. Regular anticardiac failure therapy, including cardiac and diuretic therapy, was employed to patients in regular therapy group; while the combined therapy of regular therapy and bisoprolol was employed to patients in bisoprolol group. Compared the heart rate, left ventricular diastolic dimension, left ventricular systole dimension, left ventricular ejection fraction before and after therapy and efficiency of both groups.
80例慢性心力衰竭患者随机分为两组,常规治疗组40例,采用强心、利尿等抗心力衰竭常规治疗,富马酸比索洛尔治疗组40例,在常规抗心力衰竭治疗的基础上加用富马酸比索洛尔治疗,对两组临床疗效及治疗前、后心率、左心室舒张末内径、左心室收缩末内径及左心室射血分数的变化进行比较。
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Fumaropimaric acid was prepared from rosin and fumaric acid as raw materials.
以富马酸和松香为原料制备富马海松酸。
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Conclusion] The change of pH value of solution had effect on degree of ionization of fumaric acid,and then affected the adsorption quantity of basic resin on fumaric acid.
结论]溶液pH值的变化影响富马酸的离子化程度,进而影响碱性树脂对富马酸的吸附量。
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In this paper, the complexation of poorly water-soluble fumaric acid withα-CD,β-CD and HP-β-CD were investigated respectively.
因此,增加富马酸的水溶性,对拓宽富马酸的应用范围具有重要的意义。
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A phospho molybdic acid catalyst was investigated for the esterification of fumaric acid with methanol in this paper.
研究了以磷钼酸为催化剂,富马酸和甲醇为原料合成富马酸二甲酯,探讨了酸醇量比、反应时间、催化剂用量等工艺参数对 DMF收率的影响。
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Effects of the amount of fumaric acid, temperature and reaction time on the reaction were investigated. Fumaropimaric acid was purified by potassium-salt method.
分别考察了富马酸加入量、反应温度及反应时间时富马松香制备的影响,并使用钾盐法对制备的富马松香进行纯化得到富马海松酸。
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Study on technics of synthesize dimethyl fumaricate, firstly prefabricated fumaric acid, with furfural as raw material, V2O5 as catalyst and potassium chlorate as oxidizer then synthesized dimethyl fumaricate through esterication of fumaric acid and methanol with phosphor tungstenic acid as catalyst.
研究了以糠醛为原料,V2O5作催化剂,用氯酸钾氧化制取富马酸,然后以磷钨酸为催化剂,用甲醇进行酯化合成富马酸二甲酯的合成工艺。
- 推荐网络例句
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The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.
采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。
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By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.
通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。
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Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.
有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。