• 开发了一添加控制的新的一步多元醇法

    A novel one-step polyol process by using control agents is reported.

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  • 提取红树莓总黄酮并建立红树莓总黄酮的含量测定方

    A technoLogy of extracting total flavonoids from red raspberry by ethanol was studied.

    youdao

  • 离心简便聚已二醇法可用于沙眼原体培养及传代;

    The PEG handling is better than the centrifugation at the separated and culture passage of Ct.

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  • 生产过程中产生大量含氯废水环境造成严重污染

    The Chlorohydrin process produces large amount of wastewater, which results in serious equipment corrosion and environmental pollution.

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  • 研究了响应曲面优化提取赣南脐橙中黄酮类化合物工艺

    The ultrasonic-assisted extraction process of flavonoids from navel orange peel was studied.

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  • 因此研究溶解特性,对于大豆浓缩蛋白加工和利用是非常有意义的。

    So the study of solubility from soybean protein is very significant for the process of alcohol leaching soy protein concentrate.

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  • 表层硬度沿深度方面硬度变化表层的疏松等级常规的通醇法优越。

    Surface hardness, hardness along the depth and the degree of layer looseness are all Superioors than the conventional drop-feeding process with methanol and ammonia.

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  • :采用水超滤黄芪注射液并对其进行杂质检查含量测定比较

    Methods:We compare two Astragalus Injections prepared by water-alcohol or ultrafiltration method at impurity and content detection.

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  • 石化以氯醇法生产环氧乙烷过程中排出皂化废水有机物含量含盐量高,呈强碱性。

    The content of CODCr, salt and pH in effluent from saponification process of petrochemical plant are very high.

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  • 由于蛋白质聚集微粒表面极性吸附点减少,致使大豆浓缩蛋白获得有效的作用

    Due to the lack of polar sites on protein conglomerates, the alcoholic leached SPC did not get enough plasticizing effect from existed water.

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  • 选用乙二进行胚胎冷冻使用甘油进行胚胎冷冻,显著提高胚胎解冻后存活率妊娠

    This method will significant improve the pregnancy rate of thawing embryo using glycol and glycerol in frozen embryos.

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  • 生产环氧丙烷所合杂质乙醛丙醛外还有烃类环氧化物卤代丙酮

    Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.

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  • 利用铜沉提取纯化多糖。

    The saccharide was extracted with hot water, and purified with Fehling reagent and 95% ethanol.

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  • 脂肪催化化制工艺目前生产脂肪主要传统的酸工艺相比具有明显优势

    The process of catalytic amination of fatty alcohols is the main method to produce tertiary amines and has obvious advantages compared with the conventional process of fatty acids.

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  • 国家标准规定分光光度和气相色谱为杂分析

    Spectrophotometric method and gas chromatography were the authorized national standard analytical methods to fusel oil.

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  • 结论米索前列宫腔内给有效减少剖宫产术中、术后出血量副反应血压明显影响

    Conclusion Intrauterine misoprostol administration method can effectively reduce the cesarean section, postoperative bleeding, and fewer side effects, no significant effect on blood pressure.

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  • 用气相色谱制剂中肉桂薄荷进行定量测定

    And the contents of cinnamic aldehyde and menthol were determined synchronously by GC.

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  • :分别采用水蒸气蒸馏制成口服液

    Methods:Oral liquid was made by steam distillation, alcohol abstraction method, water abstraction and alcohol precipitation.

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  • 国外生产正在糠醛加氢取代液相加氢

    In furfural alcohol production the liquid-phase hydrogenation process is being replaced by the gas-phase hydrogenation in many foreign countries.

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  • 采用薄层色谱对炮制品中白藜芦大黄进行定性分析采用薄层扫谱和HPLC大黄素进行定量分析。

    Methods The qualitative analysis of piceid and emodin are taken by TLC, and content of emodin was determined by TLCS and HPLC.

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  • 用水提取南瓜藤蔓中多糖,对该制备过程中双氧水脱色工艺条件进行研究

    Polysaccharide of pumpkin's stems and leaves was extracted with water and ethanol, and study the condition of decoloring process.

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  • 采用溶剂沉淀通过控制温度改变沉淀剂,加入添加剂等条件制备了椭球形氧化锆

    The spheroidicity zirconia is prepared by controlling the reactive temperatures, the precipitant reagents and adding additives through a alcohols solvent precipitation method.

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  • 结论水提提取山茱萸单好。

    CONCLUSION Alcohol sedimentation is a better method in extracting monoterpene glycoside.

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  • 实验大量制备了种质载体dna并用乙二沉淀进行了纯化

    These plasmids or vectors DNA were also prepared on a large scale and purified by precipitation with polyethylene glycol (PEG).

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  • 对比研究了金刚藤水提液的纯化效果

    The purification effects of ultrafiltration and alcohol sedimentation to Jingangteng extract were studied.

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  • 阐述液化石油气脱硫体系特点

    It describes the features of LPG desulfurization with amines system.

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  • 介绍了碱式碳酸珠光颜料乙二甲醚生产工艺,对影响因素进行了研究。

    The production technology of basic lead carbonate pearlescent pigment by pushing process, glycol methoxymethane method and inversing phase method were introduced.

    youdao

  • 介绍了碱式碳酸珠光颜料乙二甲醚生产工艺,对影响因素进行了研究。

    The production technology of basic lead carbonate pearlescent pigment by pushing process, glycol methoxymethane method and inversing phase method were introduced.

    youdao

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