Shuitu Baochi Xuebao, 2018 旨在探究脲甲醛的养分控释特性与反应因素的响应关系及其对油菜（Brassica campestris L.）生长的影响，为脲甲醛精准合成和科学施用提供依据。采用响应曲面法中心复合设计建立了缓释有效氮、活性系数与摩尔比、反应温度、反应时间的响应模型，并应用盆栽试验探究了模型优化脲甲醛产品对油菜产量、氮肥利用率及生理性状的影响。结果表明：（1）脲甲醛肥料缓释有效氮和活性系数主要受尿素甲醛摩尔比影响，其次是反应时间。（2）采用响应曲面法建立了脲甲醛缓释有效氮和活性系数的二次多项式数学模型并对其有效性进行验证 ...
郭延乐, 张, 田晓飞
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四川大学学报. 自然科学版, 2009 本文运用蒙特卡罗程序EGSinpRZ和EGSnrcMP模拟了不同能量的单能电子入射过程中与AL吸收物质的作用,得到了该过程产生的并且进入了灵敏区的轫致辐射光子和散射电子平均能量以及他们在相应情况下的百分比,结合两种计算方法(全峰面积法TPA和半峰面积法SPA)讨论了轫致辐射和散射对测量结果的影响;研究了实验所用放射源与其包装材料产生的轫致辐射光子对测量的影响;同时用EGSnrcMP程序模拟了吸收曲线,并与实验吸收曲线相比较,讨论了环境本底对计数的影响.
范杰, 吴丽萍, 赵艳群, 王叶
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Gaoya dianqi, 2006 应用ANSYS软件分析计算了支柱式12kV户外真空断路器真空灭弧室外表面的电场强度,得出在不同填充材料、气泡和不同外绝缘材料时的电场强度及分布曲线;分析得出不同条件对真空灭弧室外表面电场强度的影响,用以提高户外真空断路器灭弧室外表面的绝缘性能。
徐建源, 任春为, 王博
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[Effect of modified hot-etching treatment on the mechanical properties of zirconia and zirconia/resin bond strength]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanYang X, Wu Y, Lv P.
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Beijing Da Xue Xue Bao Yi Xue BanShan Z +7 more
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[A simulation study on the differences in compressive mechanical properties of Voronoi porous structures with two strut-diameter morphologies]. [PDF]
Sheng Wu Yi Xue Gong Cheng Xue Za ZhiMen Y, Wang T, Wu M, Zhang C.
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