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Three different extraction methods (cold methanol, hot ethanol and alkali extraction) were analyzcd and compared using the direct infusion electrospray ionization-mass spectrometry (ESI-MS) as the evaluation standard. 本研究以特定厌氧条件下培养的大肠杆菌为研究对象，以电喷雾质谱直接进样测定为评价标准，比较并分析了冰甲醇、热乙醇和碱抽提3种抽提方法。
alkali extraction method 碱提法
Methods: The improved CTAB DNA extraction method. 方法:改良CTAB法。
Conclusion: The SBE is the best extraction method in preparation... 结论:乙肝颗粒剂以采用SBE法提取为佳。
Oat bran protein concentrate was prepared through alkali extraction and acid precipitation. 采用碱提酸沉法制备了燕麦麸浓缩蛋白。
Xylanase treatment could improve the lignin solubility in the follow-up alkali extraction. 木聚糖酶预处理能加强后续碱抽提中大分子质量木素的溶出。
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。
Exploration of Microscale Extraction Method of Rutin from Sophara Japonica L. 槐花米中提取芦丁的微型实验探讨。
Objective:To establish a new extraction method for aflatoxin B1 in rice. 目的:建立一种超声波快速提取大米中黄曲霉毒素B1的方法,并对提取方法的回收率和准确度进行评价。
The preparation of protein isolates(IHPI)from industrial hemp by alkali extraction and acid precipitation was investigated based on box-behnken design. 以工业大麻为原料,采用碱溶酸沉法提取工业大麻分离蛋白(IHPI),结合响应面法优化蛋白最佳提取条件。
The method is an improved block-based IDC key frame extraction method. 传统的视频检索的关键帧提取方法分析、比较和检验。改进的关键帧提取方法的提出及相应的实验数据。
Xylanase pretreatment had removal effects on lignin of the pulp and could boost the dissolving of lignin during alkali extraction process. 木聚糖酶预处理对纸浆中的木素有脱除作用,且能促进木素在碱抽提过程中的溶出,但木聚糖酶对戊聚糖和纤维素也有不同程度的降解作用;
Extraction method of landfill gas was introduced based on practice experience. 并根据实践经验介绍了抽取填埋气体的方法。
A degree-based transition region extraction method (D-TREM) was proposed. 摘要提出一种基于度信息的图像过渡区提取与分割算法。
Objective To study the SFE-CO2 extraction method for Huoxiang Zhengqi Fang. 摘要目的考察SFE-CO2萃取法提取藿香正气方挥发性成分的可行性。
Conclusion SFE-CO2 extract method Huoxiang Zhengqi Fang by for is feasible. 结论SFE-CO2萃取法提取藿香正气方中挥发性成分是可行的。
STUDY ON THE EXTRACTING METHOD OF RED PIGMENT IN S.SINENSE ROXB. 甘蔗皮红色素提取工艺的研究。
After administrating 10ml/kg total alkali extracted of ER by etHano1.75% (AER), BP was not significally change. 直接用75%25乙醇提取得到的总碱以相当于生药10g/kg给药后,血压无明显变化。
The DTP was obtained by alkali extraction and alcohol precipitation from Dendrobium thyrsiflorum Rchb. f and was administered on normal mice with 400 mg/kg,600 mg/kg and 800 mg/kg respectively through stomach for 10 d . 球花石斛采用碱提醇沉法得到球花石斛多糖,分别以400、600、800mg/kg小鼠灌胃给药连续10d。
The major problems such as low recovery ratio of protein,low yield and purity of finished products are found in the process of isolation soy protein by alkali extraction and acid precipitation. 大豆分离蛋白的碱浸提酸沉淀工艺，目前普遍存在成品得率低，纯度低的问题。