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- Graft Sulfonation and Water Reducing-Performance Strengthening Effect of Acid Precipitation Lignin 酸析木素的接枝磺化改性及减水增强作用
- acid precipitation lignin 酸析木素
- Differential thermal balance was used in thermogravimetric analysis and differential thermalanalysis of acid precipitated lignins(APL ) and concentrated black liquor(CBL ). 应用差热天平，对原黑液浓缩物和酸沉析木素进行差热分析和热重分析，得到差热曲线DTA和热重曲线TG。
- Acid precipitation and surface-water acidity in Hong Kong. 香港的酸雨和地表水酸度。
- 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。
- Up to now, the effects of acid precipitation to eco-environment have been studied extensively. 国内外学者对由酸沉降引起的生态环境问题做了较为广泛的研究。
- A pH 3.5 pH value acid precipitation caused yi-eld reduction of wheat and Chinese cabbage. pH3.;5的模拟酸雨造成小麦和白菜减产;
- Atmospheric Chemical Process for the Formation of Acid Precipitation in Southwestern China. 西南地区酸雨形成大气化学过程
- Base solubization and acid precipitation were adopted to separate protein from bee larva. 研究采用"碱溶酸沉"原理,对蜂幼虫蛋白质进行提取。
- It has been indicated by monitoring works that Jinhua city is heavily suffering from acid precipitation. 根据多年酸雨监测数据 ,分析了金华市酸雨污染的现状、特征及成因。
- 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。
- An obvious effect on acid precipitation was found from burning coal, atmospheric cycling, suspension, rain characters and pH value. 燃煤、大气环流转换、悬浮物、降雨特征对酸雨率及降水pH均有明显影响。
- acid treatment for precipitating lignin 酸析木质素
- 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。
- Atmospheric aerosols play a vital role in the process of acidic precipitation. 大气气溶胶在酸性降水中的作用非常重要。
- The binding rate of (superscript 99m)Tc-ON with plasma protein was measured by the trichloroacetic acid precipitation method. 用三氯乙酸沉淀法测定(上标 99m)Tc-ON的血浆蛋白结合率。
- The results indicated that the leaching of acid rain led to increasing of latent acid of soil in short time though amortizing of soil to acid precipitation. 结果表明 ,虽然土壤对酸性降水的致酸作用具有一定的缓冲性能 ,但酸性降水仍能在短期内导致土壤潜在酸增加 ;
- In this experiment, the norbixin was extracted and prepared by means of aqueous alkali and acid precipitation, adverse concentration gradient and membrane filtration technology. 本实验通过碱溶酸沉、逆浓度梯度和膜分离技术的提取方法来制备降胭脂树橙,其工艺条件为:料:液=1:9(w/w);
- The method that simulated acid deposition on soil was usually adopted to reveal the effect of acid precipitation on mobilization of chemical element in soil. 在研究土壤酸化所采用的方式上，多以模拟酸性降水的土柱试验为主，主要揭示酸沉降对土壤元素化学行为的影响，很少对土壤酸化进行系统的动态监测和现场跟踪研究，因而很难对土壤酸化程度进行定量的分析和描述。
- Y_2O_3:Eu~(3+) powder were synthesized by oxalic acid precipitation method,and the effects of surfactant on the particle size and particle size distribution were investigation. 利用草酸沉淀法制备Y2O3:Eu3+粉体,研究表面活性剂PEG对Y2O3:Eu3+氧化物的形貌、分散性、粒径分布及粒度的影响;
