It was shown that the resistance to liquefaction of saturated sand was considerably related with both the area of elliptical stress path and the ratio of the two stress components. 试验结果表明砂土在双向耦合荷载作用下,其液化强度与加载椭圆路径的面积和两个荷载分量比值密切相关。
The experimental results showed that the liquefaction extent enhanced with the increase of liquefaction temperature, catalyst dosage, and liquid-solid ratio. 结果显示:沙柳、柠条的液化效果随液化温度、催化剂的用量、液比的增加而增加;
The conditions triggering static liquefaction and the stabilization conditions after occurring of the static liquefaction, all depend on an unique relation with the void ratio of the sand sample. 触发静力液化的条件与发生静力液化后的稳态条件,都与砂样的孔隙比存在单一关系。
The calculating formula for the ratio of pore water pressure in the liquefaction soil treated with stone columns is presented and the ratio has been calculated under the conditions of radial drainage and vertical drainage. 本文给出了碎石桩处理可液化地基土孔隙水压力比计算公式,并结合工程实际,在考虑径向排水及垂向排水条件下,对孔隙水压力比进行了计算。
By statistic analysis, probability density functions of liquefaction and non-liquefaction cases as well as empirical equation between safety factor and liquefaction probability of saturated sands were given, then the empirical equation of cyclic resistance ratio CRR of saturated sands with different probability level was educed. 经统计分析,给出了液化和非液化的概率密度函数以及抗液化安全系数与液化概率之间的经验公式,最后导出了具有概率意义的饱和砂土抗液化强度经验公式。
The liquefaction of coconut shell in phenol was studied. The effects of catalysts, different content of sulphuric acid, reaction temperature, phenol: powder ratio, reaction time on the content of residue and combined phenol of the products of liquefaction were discussed in detail. 研究了催化剂种类、浓硫酸催化剂用量、液化反应温度、苯酚与椰子壳质量比、液化反应时间对液化产物残渣率及结合酚的影响。
The reaction temperature has a greatest influence on liquefaction process, moreover, liquefaction process is affected by liquefaction ratio, reaction time and catalyst content at a certain extent. 反应温度对液化过程的影响最大,液比、催化剂用量等对液化过程也有不同程度的影响。
The results show that the optimum conditions of corn skin liquefaction in methanol are that reaction temperature, reaction time and the ratio of stalk to methanol are 300 oC, 30 min and 1: 30 g/ mL, respectively. 结果表明,玉米皮在甲醇中适宜的液化条件为液化温度、液化时间和秸秆/醇比分别是300oC、30min和1:30g/mL。
And the effect of the main parameters on lignin liquefaction of total phenol content had been studied, such as the liquefaction temperature, liquefaction time, catalyst amount, solvent/ lignin ( w/ w) ratio. 对醋酸木质素的溶剂液化进行了系统的实验研究,确定乙二醇作为液化剂,研究了液化温度、液化时间、催化剂用量、液固比等主要参数对木质素液化产物中总酚含量的影响。
Paulownia direct liquefaction is processed in a 1L batch autoclave with water as a solvent. And the reaction temperature, residence time and liquid ratio are investigated by the pre-experiment design. 本文以泡桐为原料以水为溶剂,在1L间歇式高压反应釜中进行直接液化实验,通过预试验设计对反应温度、停留时间和液料比进行了考察。