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In this paper, the dynamic compressing experiments for the matrix material of the tungsten alloys which have been three different deforming(0%、 32.6%、 44.6%) processed have been performed by the experimental technology of separated Hopkinson pressure bar and many accurate datum have been obtained. Also the three materials have been compared with each other and analyzed. The results show that the optimized values are in a certain range to optimize the materials by changing their deforming technology. The parameters of constitutive model of Johnson-Cook have been fitted based on the datum. Then proceed to the next step, adiabatic shear band of these three matrix materials has been analyzed with finite element method. The result shows that the relations between stress and strain are different because of the differences of technical process of the three materials, but they are in great commonness in the material experiment and in great coherence in the distribution of time and space, which can been seen from the space distributing figures of plastic strain.

利用分离式Hopkinson压杆实验技术对三种不同变形量(0%、32.6%、44.6%)钨合金基体材料进行动态压缩实验,取得大量精确的数据,对比分析三种材料,结果表明通过改变变形量对材料进行优化,其变形量的优化值是有一定范围的;本论文拟合、确定了钨合金基体材料Johnson-Cook本构模型参数并对三种基体材料绝热剪切带进行有限元分析,结果表明三种材料由于工艺流程的不同,应力应变关系也不尽相同,但从塑性应变的空间分布图上体现了材料很大的共性和时间以及空间分布的一致性。

The test results also indicate that separating RC ultra short column into separated columns (shear span to depth ratio higher than 2) by gapping longitudinally at the middle of ultra short column can improve the ductility and deformation capacity of the columns effectively.

不设剪力连接件的SRC超短柱的破坏模式为黏结破坏,与RC超短柱相比,其抗剪承载力和变形能力并无明显提高;设置剪力连接件的SRC超短柱的破坏模式为斜压破坏,其抗剪承载力和变形能力显著提高,但构件的变形能力仍然难以满足现行抗震规范要求。

Theobserved strain is 10~2 times as local point strain at the same observed stress.This indicates that macroscopical symmetrical rock is quasi-brittle materialwith microcosmic heterogeneousness and its macroscopical mechanicalbehavior is the results of reciprocity and magnification between microcosmiccharacteristic, not simple sum.(4) The degree of irregularity of strain increases with the number of cycle.But degree of irregularity of transverse strain fluctuates larger at the samecycle. Moreover degree of irregularity of transverse strain is larger than that ofaxial strain. This shows that deformation and failure of rock is process ofevolvement of small crack. Small crack evolves from even and out-of-orderstatus to heterogeneous and ordinal status.(5) Ultrasonic speed decreases with the number of cycle. The decreasecourse is such: Firstly, ultrasonic speed fluctuates in a steady scope in somecycles; And then ultrasonic speed quickly decreases to a certain more smallvalue; Afterwards in succedent cycles, ultrasonic speed fluctuates about thevalue. That is to say, ultrasonic speed fluctuates and decreases at intervals ofcycles. In deformation process of rock, quantitative change and qualitativechange of its small crack evolvement carry through crosswise.(6) Strength and modulus of rock decrease with exponential function asscale of specimens increases.

同一表观应力下,局部点应变与表观应变相差可达2个数量级,表明宏观上均匀的岩石是具有细观特征的准脆性材料,其宏观力学行为是细观特征相互作用、放大的综合结果,而不是简单的叠加;(4)岩样轴向应变不均匀程度和横向应变不均匀程度随循环次数的增加渐进增大,但是在同一个循环内,横向应变离散系数随应力的变化波动较大,且同一循环级别下,横向应变不均匀程度大于轴向应变不均匀程度,表明岩石内部微裂纹的演化是岩石变形破坏的本质特征,这一演化表现为微裂纹从均匀无序分布逐渐向非均匀有序发展;(5)随循环次数的增加,所有岩样内部超声波速会出现衰减,衰减过程表现为在某几次循环内超声波速在某一相对范围内波动,然后急剧减小到某一较小值,在随后的循环内,超声波速又会保持在这一较小值附近波动,即超声波速表现为波动和急剧减小间隔形式衰减,表明从宏观看来平稳的岩石变形过程,内部结构演化过程(微裂纹发展及其相互作用)却表现为均匀量变和突发质变不断交叉进行的现象;(6)岩石强度和弹性模量随尺度增大呈指数函数规律减小。

High-density material lying at the circumference of a proacrosomal vesicle was arched with a gap in Solen grandis, but round in Solen strictus. From this gap a proacrosomal vesicle of Solen grandis began to invaginate and deform while it moved to the nuclear front. However a proacrosomal vesicle of Solen strictus did not deform until it reached the nuclear front.

大竹蛏精细胞前顶体囊的高电子密度物质分布在周缘呈一个带缺口的弧形而不是圆形,而长竹蛏前顶体囊周缘的高电子密度物质呈一圆形分布;大竹蛏的前顶体囊是先内凹变形,然后一边变形一边移动,而长竹蛏的前顶体囊是在到达核前端后才开始变形。

The "delaminating contraction" means that different structural levels developed their own contractional structural style owing to the detachments caused by the salt rock of PaleoceneEocene and the coalbearing series of Jurassic. The "vertically stacking" means that the stronger deformation zones within various levels were stacked up vertically, and the thinskin contractional deformation of cover detachment was stacked up on the top of the basementinvolved contractional deformation, so that the detachment fault could not develop into a regional detachment fault with great horizontal displacement.

所谓分层变形是指受古近系膏盐岩层和侏罗系含煤地层等软弱岩层分隔,不同深度的岩层发育不同的收缩变形样式;所谓垂向叠置是指不同层次的强变形带在垂向上叠置,不存在区域性大位移的拆离断层。

The Clone copies the new copiable values of the Shapeshifter, including the ability that the Shapeshifter gave itself when it copied the Elves.

仿生妖会复制不稳定变形兽新的「可复制特征值」;包括了不稳定变形兽复制妖精时,一并赋予自身的那项异能。

Aiming at the special deformation mechanism during the with tension rolling of H beam in universal pass, a three-dimensional continuous kinematically admissible velocity field is put forward for the first time, in which, the non-uniform distribution of longitudinal velocity in lateral direction and the special deformation mechanism of the web and flange joint deformation zone are taken into consideration.

针对H型钢在万能孔型中带张力轧制时特殊的变形机理,首次提出了考虑金属横向流动的三维、连续运动学许可速度场;速度场中考虑了纵向流动速度沿横向的不均匀分布以及腹板和翼缘交界变形区的特殊变形状态。

But the concrete is non- one kind homogenizes the fragility material, under having certain temperature and humidity situation, the concrete is hardened and produced the volume out of shape, he is out of shape and inconsistent because of making up the material of the concrete, restrain from, produce initial stress each other, cause between aggregate and stone bonding surface of cement or cement produce the very small crack between the stone,These cracks are irregular, discontinuous too, under the influence of external factor, may also develop into a macroscopical crack.

但混凝土是一种非匀质脆性材料,在具有一定的温度和湿度情况下,混凝土硬化并产生体积变形,由于组成混凝土的材料其变形不一致,互相约束产生初始应力,造成在骨料与水泥石粘结面之间或水泥石本身之间产生微细裂缝,这些裂缝既不规则,也不连贯,在外界因素影响下,还可能发展成宏观裂缝。

The metallic deformation law was analyzed with pure aluminium at room temperature on a self-developed large specimen plane strain thermomechanical simulator under different friction conditions at top and bottom interfaces.

结果显示:随着摩擦的增大,变形负载将增大,宽展减小;当上下接触面间摩擦条件不同时,变形后的试样将出现&U&字型,而且随着上下接触面之间摩擦差值的增大,其变形不均将更加严重。

Monitored on the spot, the deformation characters of these supporting constructions are studied. Campared the calculation translocatins with the monitored translocations, the thesis believes that the translocation can be calculated by the method of "m", when the supporting structures produce small information. The translocation can be calculated by the mothod of "rigid frusta" or "the experiential expressions of shanghai area", when the supporting structures such as cement-soil wall in soft soil area produce big information.

通过实测,研究了小直径双排桩、水泥土深搅桩、土钉墙、放坡开挖等支护类型的变形特性,并用实测位移值与不同位移计算方法得出的结果进行了比较,认为对变形较小的支护类型可以采用& m&法计算位移,而对于软土基坑中变形较大的支护结构重力墙不适宜采用&m&法,其计算可以采用和参照&刚性墩&法和&上海地区经验公式&法。

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I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意,使我记忆犹新,那天你随着我的亲友从家里送我上轮船,搬运工迟迟不来,你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神,在那里,他以身披红斗篷,留着飘逸的白胡须,戴着主教法冠而闻名。

Long periods of seeming invincibility. Though some industries or lines of business exhibit characteristics that endow leaders with virtually insurmountable advantages, and that tend to establish Survival of the Fattest as almost a natural law, most do not. Thus, for every Inevitable, there are dozens of Impostors, companies now riding high but vulnerable to competitive attacks. Considering what it takes to be an Inevitable, Charlie and I recognize that we will never be able to come up with a Nifty Fifty or even a Twinkling Twenty. To the Inevitables in our portfolio, therefore, we add a few "Highly Probables."

在所属的产业都被赋予其无可取代的优势地位,大者恒存的自然定律似乎牢不可破,但实际结果却不然,也因此在找到真正的真命天子之前,旁边可能还有好几打假冒者,这些公司虽然曾经红极一时,但却完全经不起竞争的考验,换个角度来看,既然能够被称为永恒的持股,查理跟我早就有心理准备,其数量绝对不可能超过五十家或甚至是不到二十家,所以就我们的投资组合来说,除了几家真正够格的公司之外,还有另外几家则是属于极有可能的潜在候选人。