变体
- 与 变体 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Results: 1 The analysis revealed that GAP-43 immunopositive neurons in rats were localized in all the layers of lateral geniculate nucleus and the layers II -VI of visual cortex area 17,and GAP-43 is stained by a ring and dot figure and brown-yellow colour in cytomembrane ; 2, In the critical period, gene expression concentration and number of GAP-43 immunopositive neurons, in both the lateral geniculate nucleus and the visual cortex area 17, received from the deprived eyes, are reduced.
结果:1、GAP-43在正常大鼠视觉系统表达主要见于外侧膝状体全层和视皮质17区Ⅱ—Ⅵ层神经元胞膜中,呈环状或点状棕黄色免疫阳性反应;2、在敏感期内剥夺眼对侧外侧膝状体和视皮质17区GAP-43表达的免疫阳性神经元染色变淡(P<0.05),且免疫阳性神经元数目减少(P<0.05)。
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As the Federation of cell chromosome by a 2n of Article n of univalents into bivalents, although the DNA content remained unchanged, but the number appears to reduce by half.
由于联会,细胞中的染色体由2n条单价体成为n条二价体,虽然DNA含量未变,但数目看起来减少了一半。
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The results show that B2 phase presents broad fibred shape in the forged rod, and major textures are close to {112}〈111〉and {110}〈111〉; Fibred microstructure in hot-extruded tube becomes fine and fibres have broken, at the same time,{111} orientation of many grains is close to axis direction of tube; Microstructure in cold-rolled tube consists of B2,β-Nb and4Ni2O phases, fibres has heavily broken, which restrains phase transformation during cooling and heating.
结果表明:锻棒中的B2相呈较宽的纤维状,主要的织构组分接近{112}〈111〉和{110}〈111〉;热挤压管纤维组织变细且发生碎化,多数晶粒的{111}取向接近管材的轴向;冷轧管相组成为B2、β-Nb和4Ni2O,纤维组织发生严重碎化,抑制了马氏体相变的进行,{111}〈110〉和{112}〈110〉成为主要的织构组分。
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The structure of an improved pin gate ,called twin-gate,was described,and the rheological behavior of polymer melt passing through the gate was studied.
介绍了一种改进的点浇口———孪浇口的结构,讨论了聚合物熔体流经该浇口时的流变性能,在浇口的长度、总截面积以及流量一致的条件下,与常用点浇口相比,孪浇口使熔体温度升高和使熔体粘度降低的程度要大,但压力降增加的幅度也大。
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That could help answer the question of whether some people are born with larger striatums than others, or whether this region becomes bigger as people develop certain skills, says Yaakov Stern, a cognitive neuroscientist at Columbia University.
哥伦比亚大学的认知神经科学家亚科夫·斯特恩说,该研究可能有助于解决这个问题:某些人的纹状体是否在出生时就比其他人的更大呢?或者,人们是否在逐渐掌握了特定的技巧之后纹状体才变大的?
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The main research activities of the Department cover the general layout of hydro projects, hydraulics of spillways for high dams, energy dissipation and river bed or bank erosions, flow induced vibration, cavitation and air entrainment, river ice, hydraulic transient flow simulation and control on hydropower project, pumped storage project and long distance water transfer project, optimization of thermal/nuclear power plant and other industrial cooling systems, investigation of the fundamental theory of stratified/mixing flow and its applications, studies on fluid mechanics and thermodynamics of large scale cooling towers, hydraulic field observations for existing projects, development of instrumentation for physical model tests and field observations.
研究领域主要为水利水电枢纽总体布置、高坝泄洪建筑物水力学、消能防冲、流激振动、空化与空蚀、崩岸水力学与岸坡保护、河冰问题、水电站引水系统中的水力瞬变及调压井水力学研究、跨流域调水工程中的规划及水力控制数值仿真、冷却水的工程水力热力问题研究、环境水力学、火电厂水工模型试验与数值模拟研究、火电厂取排水局部泥沙冲淤试验、模型和原体监测仪器的研制和开发、以及过水现场原体监测。
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The injection moulding shrinkages of HDPE/LLDPE blend and its blend filled with CaCO3 were studied.
研究了高密度聚乙烯/线性低密度聚乙烯共混物及其碳酸钙(CaCO3)填充体系的注射成型收缩率,分别用示差扫描量热仪和AR2000高级流变仪分析测定了共混物的结晶度和熔体黏度,并探讨了不同配比下共混物结晶度和熔体黏度与成型收缩率的关系。
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The injection moulding shrinkages of HDPE/LLDPE blend and its blend filled with CaCO3 were studied. The effects of the crystallization and melt viscosity of the blends with different mass ratio on the shrinkage were analyzed by means of DSC and advanced AR2000 rheometer.
研究了高密度聚乙烯/线性低密度聚乙烯共混物及其碳酸钙(CaCO3)填充体系的注射成型收缩率,分别用示差扫描量热仪和AR2000高级流变仪分析测定了共混物的结晶度和熔体黏度,并探讨了不同配比下共混物结晶度和熔体黏度与成型收缩率的关系。
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A rheologic model of rockfill is proposed, which can better reflect long-term deformation of the rockfill and is easy to determine parameters through feedback analysis.
针对高面板堆石坝的应力变形特性,分析了堆石体的流变机理,提出了一个能够反映堆石长期变形特性且易于通过反分析方法确定参数的堆石流变模型。
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For the first time, a screw pile and pile driver system for preventing flood and rushing to deal with an emergency was manufactured. The screw piles of the system is different from screw drills used to sap, and it doesn't push soils out. Analyses, including the screw pile's structural strength analysis and the screw blade's welding analysis, were done by ANSYS, which showed that the screw pile's structural strength is enough and that the distort of the screw blade is small. Testing on the screw pile and pile driver system showed that the system performed stably and could meet the need of preventing flood and rushing to deal with an emergency. A mechanics model of interaction of a screw pile and soil was built, and expressions of torque of screw pile's cylindrical part on the condition of screw pile's crew part being driven into soil fully were gained, then the relation of the torque with screw pitch and out diameter of cylinder, which shows the torque decreases with the screw pitch increasing, and that the torque increases with the out diameter of cylinder increasing, which was according with the experiments of the screw pile's being driven into soils, and thus a screw pile with the best structure was chosen. Experiments of bionic surface showed that, on the condition of certain pressure on the surface, the protruding bionic surface can not reduce adhesion and resistance and that the corrugated bionic surface can reduce adhesion and resistance. An orthogonal experiment of the corrugated bionic surface was done with the factors including the width of protrusion, the space between two protrusions, the trolley's velocity and the vertical surface pressure and with the surface frictional coefficient as the experimental target, and some inclusions were drawn that the best combination of the factors was acquired and that the width of protrusion affected the surface frictional coefficient remarkably.
研制了防汛抢险螺旋桩机系统,提高了沉桩作业效率;利用ANSYS对桩体进行整体结构强度分析以及螺旋叶片的焊接分析,表明桩体结构强度足够,焊接过程中,螺旋叶片的变形小;对整个螺旋桩机系统进行试验,表明该系统性能可靠,工作稳定,作业效率高,能够满足防汛抢险沉桩作业基本需要;建立了螺旋桩桩土作用力学模型,得出螺旋桩沉桩过程中螺旋桩螺旋部分完全进入土体时螺旋桩圆柱部分所受扭矩以及扭矩与防汛抢险螺旋桩的螺旋导程和圆柱外径的关系曲线,表明螺旋桩螺旋部分完全进入土体时螺旋桩圆柱部分所受扭矩随着螺旋导程的增大而减小,随着圆柱外径的增大而增大,这与螺旋桩沉桩试验结论相符合,据此优选出最佳结构的螺旋桩;仿生曲面试验表明,尺寸较小的球冠突起型仿生曲面在一定压力作用下未能起到减粘降阻的作用,而尺寸较大的波纹型仿生曲面相对平板具有一定的减粘降阻作用;以波纹型仿生曲面突起宽度、波纹型仿生曲面两突起之间间距、台车的牵引速度以及叶片表面垂直载荷为因素,以曲面摩擦系数试验指标进行正交试验,寻求出在一定试验条件下最佳因素水平组合;波纹型仿生曲面突起宽度在本试验条件下对曲面摩擦系数影响显著,而其它几个因素对曲面摩擦系数影响均不显著;通过波纹型仿生曲面突起宽度和台车牵引速度的单因素试验,表明曲面摩擦系数随着仿生曲面突起宽度的增大而减小,而随着台车牵引速度的变化基本保持不变,和正交试验结果保持一致。
- 推荐网络例句
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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.
Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。
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I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.
我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。
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The shamrock is the symbol of Ireland and of St.
三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。