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In this investigation, the compression behavior of COx argillite with two different grain size distributions, which were obtained by two different crush procedures, was studied by running 1D compression tests with several loading-unloading cycles.

通过开展一维压缩试验,研究2种不同粉碎工艺下获得的粗/细COx土样的压缩特性,结果表明:压缩曲线受粒度成分的影响非常明显,为获得同等压实度,细粒土所需的压实功能较粗粒土高,除此之外,细粒土的压缩指数也高于粗粒土,表现出较强的压缩性;随着土样压实密度的增加,粗/细土样的压缩曲线逐渐靠拢,粒度成分对压实功能影响逐渐减弱;土样卸荷时回弹指数随干密度的增加而增加,受粒度成分的影响不明显;高压实ρ(下标 d=2.0g/立方公分粗粒土样在7 MPa的轴向应力下饱和时,体积发生明显的塌陷现象,饱和后土样的压缩指数小于饱和前,而回弹指数则较饱和前高。

Chemical analysis showed that the fresh basalts and corestones slightly changed in composition except that variations in Fe(superscript 2+) to Fe(superscript 3+) are most noticeable. In the course of corestones changing to saprolite elements of Si, Ca, Na and Mg, the ratio of SiO2/Al2O3 decreased gradually, while the elements of Fe, Al and the values of LOI and CIA significantly increased.

化学全分析结果表明新鲜玄武岩与核心石在除Fe外,其它组分无明显的改变;核心石在转变为腐岩过程中Si、Ca、Na、Mg等元素逐渐流失,Fe、Al等逐渐富集,同时烧失量LOI和化学蚀变指数CIA显著增加,硅铝比逐渐减少。

Results of analysis show that Generalized Paris Law can consider the complex crack propagation in the material of the pavement structure. The fatigue life of the pavement increases with increasing thickness of surface layer in a power function. Use of a thicker surface layer may extend the service life of the asphalt pavement. The fatigue life increases with decreasing modulus of surface layer in a power function with a negative exponent. However, since reduced modulus would scarify the structural strength and might cause rutting-related distress, caution should be taken when using low modulus materials for improving fatigue performance of asphalt pavements. The fatigue life increases with increasing modulus of base material in a power function. However, the fatigue life can not infinitely increases with increasing modulus of the base.

计算与分析表明:广义Paris公式可以考虑沥青路面结构内材料复杂的裂缝扩展:沥青面层的疲劳寿命随着面层厚度的增加以幂函数的形式增加,适当增加沥青面层厚度可以提高路面的使用寿命;沥青面层的疲劳寿命随着面层材料模量的降低以负指数的幂函数形式增加;由于材料模量的降低将牺牲路面的整体强度并可能引起路面车辙类损坏,以此提高疲劳寿命的方法应慎重对待;沥青面层的疲劳寿命随着基层材料模量的增加呈幂函数的形式增加,但由疲劳方程可以看出,寿命并不是随基层材料模量的增加而无限的增加,疲劳曲线在经过一个上升段后,逐渐趋于一个常数值,这说明,这时基层模量对寿命已不作关键性贡献;随着底基层厚度的增加,面层的疲劳寿命近似地呈线性函数增加,但效果并不很明显。

Under the condition of small strain, anisotropy is shown; however, the anisotropy degree decreases with the increase of shear strain, and the approximately isotropy is got. At the same time, the effect of stress path circumgyration on shear modulus decreases gradually along with the increase of shear strain.

在小应变条件下,土体表现出各向异性,但随剪切应变的增加而逐渐减小,最终表示为近似各向同性;同时由应力路径旋转对模量的影响也随着剪切应变的增加而逐渐衰减。

The population density was different at various altitudes, and among them, the biggest one was the population C. The life tables showed that the death rates at age class Ⅱ,Ⅲ,Ⅳ were higher, so the death rates decreased with the diameters class increasing, after age class Ⅳ or Ⅴ, however, the death rates increased again. The expected life was longer before class Ⅳ, and decreased gradually with the age increasing. The survival curves of different populations was close to Deevey Ⅲ type. The dynamics of C.

不同海拔的种群密度存在差异,其中C种群密度最大;静态生命表显示,种群在Ⅰ、Ⅱ径级时死亡率较高,随着年龄增加,死亡率逐渐降低,但到了Ⅳ、Ⅴ径级,由于生理衰老死亡率又上升;种群期望寿命在Ⅱ、Ⅲ、Ⅳ径级较高,随着年龄增加,期望寿命逐渐下降;不同海拔的米槠种群的存活曲线均接近于Deevey Ⅲ型。

Through dynamic examination of electrolyses, this paper research on treatment efficiency of bipolar packed bed cell under different voltage, electrolyses time, PH value andThe experimental results show that the decompounding speed of phenol decrease with the electrolyze time increasing. With the cells voltage augment the decompounding rate of phenol increase also. But when the voltage exceed 10V, the increasing speed of decompounding rate decrease.

BPBC处理苯酚废水的实验研究结果表明,苯酚的降解速率与酚浓度呈一级反应关系,即随着实际电解时间的增加苯酚降解速率逐渐减小;随着槽电压的增大,苯酚的去除率也随之增大,但是槽电压超过10V后,苯酚去除率增加趋势减缓;在碱性条件下,pH值的变化对苯酚的去除率有一定的影响,随着pH值的增大,去除率逐渐的降低;空床流速过大时,苯酚去除率有一定的下降;投加电解质后,苯酚的去除率增加,而就投加NaCl和NaNO_3的情况下,投加等摩尔浓度的NaCl和NaNO_3,投加NaCl的效果要优于投加NaNO_3的效果;提高废水中的溶解氧有利于苯酚的去除。

The Seebeck coefficient decreases gradually with the increasing of x.

研究结果表明,n型Ba8Ga16-2xZnxGe30+x化合物的电导率随着x的增加逐渐增大,Seebeck系数随着x的增加而逐渐减小。

The tensile property was improved and then stable with the increasing content of coupling agent, however, the crupture ratio up and then down. And the tensile strength increase stey by step and electric insulation property is up and then descended with the addition of radiation agents.

结果表明,随着阻燃剂含量的增加和粒径超细化,其阻燃性能不断得到提高;而随着偶联剂含量的增加,其拉伸强度逐渐增大到一定程度后趋向稳定,断裂伸长率则先增大后下降;随着辐照剂量的增大,拉伸强度逐渐增大,电气绝缘性能先上升后下降。

The experimental results are as follows:(1) Without EAF the fouling resistance increase along with addition of time and change of the heat transfer coefficient is just contrary to the result. However, with EAF fouling resistance still enhances at the beginning of experiment and later, it gradually minishes after experiment has started for some time. Of course, the change of heat transfer coefficient still is contrary to the outcome. But when experiment lasts longer time, fouling resistance and heat transfer coefficient change in the same trend as the fore results at the beginning of the experiment. However, They all go to the tranquilization until the last.

实验结果表明:(1)没有经过电磁处理时,污垢热阻随着时间的增加而增加,换热系数随着时间的增加而减小;一旦经过电磁场的处理,污垢热阻开始时仍呈上升趋势,经过一段时间以后,便逐渐下降,换热系数的变化与此正好相反,即在实验开始时呈下降趋势,后来逐渐上升;当实验时间延长时,发现污垢热阻及换热系数在实验开始时的变化趋势与前面的实验结果基本相同,但到后来,二者的数值则分别均趋于稳定。

The experimental result showed that with the increase of weight ratio of catalyst to oil,yields of off-gas,liquidized petroleum gas and coke increased,but yields of gasoline and diesel oil dropped;conversion of FCC gasoline was about 94% and its yield firstly decrea...

实验结果表明,随着剂油比的提高,干气、液化气和焦炭收率逐渐增大,汽油和柴油收率逐渐减小,产品的转化率在94%左右,且随着剂油比的升高转化率先减少后增加,当剂油比为14.67∶1时,产品的转化率有最小值;MON和RON随着剂油比的升高而先增加后减少,当剂油比为6.03∶1时,产品的MON和RON有最大值,分别为83.50%和96.83%;随着水油比的加大,汽油、柴油和焦炭收率与产品的MON和RON逐渐减少,干气和液化气收率变化不大,而&兰炼&FCC汽油的转化率在94%左右。

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