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By constructinga new mathematic model, the protein folding problem of three-dimensional AB model is converted from a nonlinear constraint-satisfied problem to an unconstrained optimization problem.
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通过构造新的数学模型,把三维AB模型的蛋白质折叠问题由一个带约束的优化问题转化为无约束优化问题,然后提出一个模拟退火算法。 |
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The effects of Fe3+,Cu2+ and Zn2+ on the two-phase anaerobic digestion of kitchen wastes at different pH values were studied by intermittent experiments.
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通过间歇实验研究了在pH=7和不调节pH两种情况下添加不同浓度的Fe3+、Cu2+和Zn2+对厌氧消化水解酸化阶段有机酸组分和含量的影响。 |
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The optimal conditions of extraction of syringin by ultra sonic wave from Acanthopanax sen-ticosus using experimental design were studied .
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通过均匀设计的试验方法,探讨了用超声波法提取刺五加根茎中丁香甙的工艺条件,确定的最佳工艺条件为:水为溶剂,溶剂用量8ml/g,超声提取200min,提取温度为室温。 |
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Highly active Fe/Mo/MgO catalyst was prepared by freeze drying method.
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通过冷冻干燥法制备了高活性的Fe/Mo/MgO冻凝胶催化剂。 |
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The enzymic modification of lipids is a method of improving the nutritional value of lipids,which is more excellent than chemical means.
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通过酶促反应来改变天然脂肪的结构和组成,是较化学法更有利的提高脂肪营养价值的手段。 |
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Comparison of partial proteomes of wild and barotolerant bacteria of TG1 and DH5α with two dimensional electrophoresis showed that three proteins were obviously highly expressed in barotoleran.
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通过双向电泳比较发现 ,TG1和DH5α两种菌株耐压突变菌的部分蛋白质组与原始菌的有所不同 ,有 3个蛋白质的含量明显增加。 |
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Bench-scale composting experiment was made to study the features of methane produced in anaerobic digestion.
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通过厌氧堆肥试验,对厌氧堆肥产甲烷的基本特征进行了研究,结果表明:在厌氧堆肥开始阶段,气体中只有8%的甲烷,二氧化碳产率是甲烷产率的4倍左右;而随着反应的进行,二氧化碳产率呈下降趋势,甲烷产率逐渐升高,并于3个月时达到最高值45%;此后二氧化碳及甲烷产率都逐渐降低。 |
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In this paper, asymmetric synthesis of oxidation reaction of achiral isophorone influenced by artificial centrifugal force field was studied.
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通过紫外、红外和圆二色(CD)光谱表征考察了外在离心力场对非手性化合物异佛尔酮不对称氧化生成光学活性产物的影响。 |
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Effect of Cu and As and their combination pollution on Glycine max .;
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铜、砷及其复合污染对黄豆(Glycine max)影响的初步研究 |
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Effects of copper toxicity on photosynthesis and transpiration of three Elsholtzia splendens Nakai ex F.Maekawa populations;
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铜毒对海州香薷(Elsholtzia splendens)不同种群光合作用和蒸腾作用的影响 |
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Effects of copper toxicity on photosynthesis and transpiration of three Elsholtzia splendens Nakai ex F.Maekawa populations;
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铜毒对海州香薷(Elsholtzia splendens)不同种群光合作用和蒸腾作用的影响 |
