假定
- 与 假定 相关的网络例句 [注:此内容来源于网络,仅供参考]
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There are series of papers studying the solvability of an incompressible, viscous, instationary fluid contained in a domian bounded entirely by a free surface. In 1977, Solonnikov proved its local solvability in a Holder space for any initial date but without surface tension. In 1984, he considered the same problem in a Sobolev space with surface tension being taken into account. In I992, Mogilevskii and Solonnikov treated the same problem in a Holder space, where the coefficient of surface tension is not a constant. There are also short-time existence results for the solvability of an incompressible, vicous, unsteady fluid bounded above by a free surface and below by a fixed bottom which approach horizontal planes at infinity. In 1981, Beale proved its local solvability in a Sobolev space for any initial date but without surface tension. In 1983, Allain were concerned with the same problem in R〓 with surface tension but under the assumption that the initial fluid domain was near a horizontal strip. In 1987, he obtained the same result without the preceding assumption. In 1996, Tani solved the same problem in R with surface tension. For the solvability of an incompressible viscous instationary fluid in Ω R bounded inside by a free surface S and outside by a rotating boundary S, in 1995 Ciuperca proved its local existence in a Sobolev space for any initial date but without surface tension. In this paper, we consider the same problem with surface tension.
对于边界完全是由自由边界组成的有界区域中粘性不可压流体的非定常运动问题,Solonnikcv于1977年在忽略表面张力情况下证明了初值问题小时间解在Holder空间的存在性,于1984年在有表面张力情况下证明了初值问题问题小时间解在Sobolev空间的存在性,Mogilevskii和Solonnikov于1992年在表面张力系数可以不是常数情况下证明了初值问题小时间解在Holder空间的存在性;对于上面是自由边界、下面是固定边界且两边界在无限处趋于水平的无限区域中粘性不可压流体的非定常运动问题,Beale于1981年在忽略表面张力情况下证明了初值问题小时间解在Sobolev空间的存在性,Allain于1983年在有表面张力情况下证明了R中初值问题小时间解在Sobolev空间的存在性,但其中假定初始区域近似是个水平条,他于1987年去掉了这个假定得到同样的结果,Tani于1996年在有表面张力情况下证明了R中初值问题小时间解在Sobolev空间的存在性;对于R中内面是自由边界、外面是旋转边界S的有界区域中粘性不可压流体的非定常运动问题,Ciuperca于1995年在忽略表面张力情况下证明了初值问题小时间解在Sobolev空间的存在性,本文考虑了在有表面张力情况下初值问题可解性问题。
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The instructive conclusion was: 1 under the vertical loading, the shear-lag effect was produced badly, more severer under concentrated loading than under uniform loading .2 the longitudinal bending deformation of the beam flange was true of the imitating plane assumption of deformation . 3 the width length ratio was confirmed as the first factor working on the shear-lag effect among all the geometric parameters;4 the shear-lag coefficient of simple-supported box-girder was severer than the continuous box-girder, the shear-lag effect in the inner supported section of continuous beam was much more severer, we need paying more attention for it in designing. 5 the non-liner characteristics of material deformation have littlie influence on shear-lag effect in BGCW. 6 the experiential calculating formulation and calculating diagram for the effective flange width was raised with the only factor of the width-span ratio., but the primary location of axis of bending moments should not be changed while calculating the inertial moment .
研究认为:1室内模型试验和空间有限元分析结果均表明波形钢腹板组合箱梁在竖向荷载作用下,翼板出现了典型的纵向应力剪滞效应。2在竖向荷载作用下,截面高度上各点纵向正应变分布认为可符合"拟平截面假定",以此作为波形钢腹板组合箱梁抗弯计算的基本假定。3箱梁宽跨比是影响波形钢腹板组合箱梁翼板剪滞效应的主要因素。4连续波形钢腹板组合箱梁的翼板剪滞系数大于简支梁,且连续箱梁内支点截面翼板剪滞效应相当严重,对此需十分重视。5当混凝土翼板受力由弹性阶段进入弹塑性阶段时,材料的非线性特性对翼板的剪滞效应影响甚微。6提出了根据组合箱梁的宽跨比参数来计算翼板有效宽度比的经验公式和计算图表,但箱梁截面抗弯惯性矩的计算不应改变原先的截面中和轴位置。
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The rent--seeking by principals of stateowned enterprise and the sickness of wide—range clientage are the specific problem of principal—agency.
国有企业治理中的人格假定是经济人假定,作为经济人的利益相关者在治理过程小必然为维护自身利益而努力。
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By analyzing the characteristics of seismic rupture process and considering the three hypothetical conditions of similarity satisfied by earthquake,i e geometrical, stress environment and dynamic similarities of fault planes, the authous have studied the scaling analysis of similarity between earthquakes with various magnitudes and set up the scaling relation between sou.
本文根据Heaskel二维矩形地震破裂模式,导出了以ω立方的波谱衰减,在分析地震破裂过程特征、考虑三个主要的相似性假定基础上,即假定地震满足断层面几何相似、应力环境相似和动力学相似条件,研究了大小地震相似性问题的标度分析,建立了地震破裂和源参数之间的标定律关系。
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Gerber and Shiu (1998a) and Tsai and Willmot (2002) all consider the renewal equation for the expected discounted penalty function at ruin Ф and its decomposition in this risk process. In their proceeding, they assumed the twice continuous differentiability of Ф,Ф〓,Ф〓 as a premise but its proof isn't obvious.
Gerber and Landry(1998)及Tsai andWillmot(2002)考虑了此模型下的破产时罚金折现期望Ф所满足的更新方程及其分解后的因子Ф〓和Ф〓,但它们的推导过程都是在假定Ф,Ф〓,Ф〓连续且二次连续可微的前提条件下进行的,但实际上此前提假定的成立并非显然。
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The team, who presented their results at a joint meeting of the American Association for Cancer Research and the International Association for the Study of Lung Cancer in Coronado, California, this week, are now investigating whether their putative cancer stem cells are more resistant than run-of-the-mill cancer cells to chemotherapy or radiation, as research on other putative stem cells has suggested.
本周,在加利福尼亚州科罗纳多举行的美国癌症研究学会和国际肺癌研究学会联合会议上,该小组公布了他们的研究结果。他们现在正在研究假定的肿瘤干细胞是否像其他假定干细胞上的研究显示的一样,比普通癌细胞更耐化疗及放疗。
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As such, it rejects not only radiometric and isochron dating of the age of the Earth, arguing that they are based on debatable assumptions, but also approaches such as ice core dating and dendrochronology, which make the barest of assumptions of uniformitarianism, and which hint that the Earth is far older than the Ussher-Lightfoot Calendar suggests.
如同这个,不仅拒绝放射性和等时线地球年代测定方法,争论基于可争论的假定,而且采用这类冰核和树木年代学测定,树木年代学使得均变论假定一览无遗和暗示了地球比Ussher-Lightfoot日历更为古老。
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The number of vehicle purchases covered under EPACT is assumed to grow at about the same rate as that projected for the light-duty vehicle stock, and every qualified fleet is assumed to use biodiesel purchases to offset one-half of the AFV requirement.
根据能源政策法所购买车辆数量增长假定大约在同一率的预测为轻型汽车的股票,每个合格的车队被假定为使用生物燃料的采购,以抵消之一的装甲战车要求的一半。
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The F ratio is assumed to be unchanged when using multiple antenna elements.
假定 F 比率在使用全向天线元素时是不变的,这种假定基于系统中智能天线的全面部署这一事实。
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Such simplified 1-D Burgers model is extended to 3-D case as the usual treatment like 3-D Hooke's law. Based on the above assumptions, the downward and upward plastic deformations of asphalt pavements have been calculated.
利用刚塑性假定简化一维Burgers模型,从而简化了沥青路面的永久变形计算,据此假定将一维的沥青混合料Burgers模型推广至三维Burgers模型,类似于三维虎克定律。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。