• 结果表明小麦茎秆强度呈极显著正相关髓腔呈极显著负相关。

    The thickness-diameter ratio of culm, stem diameter, culm wall thickness and pith diameter were significantly correlated with stem strength.

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  • 二维超声观察移植形态测量,并测量皮质锥体大小

    First, two-dimensional imaging was used to observe the shape of the transplant kidneys and measure length, width, thickness, cortical thickness and pyramid size of kidney.

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  • 通过改变添加剂用量片状氧化铝的粒度进行控制调整

    The size and aspect ratio of the powder can be adjusted and controlled by changing the amount of additives.

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  • 本文主要介绍了采用齿轮卡尺测量双线梯形螺纹齿方法,同时也测量出螺距产生的误差。

    This article mainly introduces the method that adopts gear caliper to measure the median diameter normal tooth thickness of double-line trapezoidal thread.

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  • 最后介绍石英窗口数控抛光实验过程结果

    The process and result of fabrication high diameter to thick ratiofused silica window has been introduced.

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  • 分析钢管张力过程产生管端原因阐述头端控制(c.e.c)的原理方法,并就关键问题进行了探讨。

    The reason of thickness of pipe end increasing in tension reducing is analyzed. The principle and method of cutting end control (CEC) are introduced. The key problems are discussed.

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  • 结果表明黄果壳桂所受到的竞争强度随着林木级的增大而逐渐减小

    The results showed that the intraspecific competition intensity in C. concinna decreased gradually with increasing tree diameter.

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  • 实验结果表明,改性云母增强尼龙6力学性能有显著提高

    As shown by experimental results, the capacity of modified sericite with higher diameter thickness ratio in strengthening nylon 6 is improved significantly.

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  • 云母作为功能材料填料需要纯度、细的粒度的粒度分布、高白度和高比。

    As a functional material or filling are need higher content brightness narrowly particle size distribution and radius-thickness ratio.

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  • 分析了缩、缩半锥摩擦系数、缩管坯初始管端翘曲向伸长率的影响规律

    In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.

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  • 局部变薄可以近似表示为扩线性函数

    The local thinning of wall-thickness can be described by linear function of expanding-ratio.

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  • 实验结果表明相同铸铁圆柱破坏机理主要因素变形协调

    Experiment results shown that the main factor of the breakage reason of the cast-iron cylindrical shell with same diameter and thickness is that transform is not moderate.

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  • 片状粉体具有特殊二维平面结构较大应用颜料涂料化妆品汽车面漆等产品时,表现出了优异的性能。

    Because of two-dimensional planar structure, a large aspect ratio and good application behavior, flaky powders are widely used in pigments, cosmetics and automobile paints.

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  • 提出了一近似超塑变形成型方法,并成功地用于不锈钢弯头的生产

    A new process of such kind similar to superplastic deformation was proposed and hen put into production of heavy-wall stainless steel elbow successfully.

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  • 分析圆锥壳结构、长比及变化结构应力响应影响

    The effects of R/h ratio, L/R ratio and cone angle on the dynamic response of the conical shells are discussed in this section.

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  • 主要影响因素材料性质比以及子弹管的比。

    The main influent factors include material properties, the proportion of diameter to thickness and diameter to length, and the proportion of diameter of missile to that of tube.

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  • 分析不同边界条件脱层长度深度、位置对层壳屈曲载荷影响

    The influence of different ratios of radius to thickness, boundary condition and length, depth and po

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  • 模具工作表面接触变形较为均匀,材料减薄较小达到整形的目的

    However, the deformation is more uniform with regard to billet in contact with the work surface of punch, material thickness decreases less, therefore, the purpose of calibration has been reached.

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  • 基础上,把薄壁钢管纵向单元作为支承在弹性地基上的杆,推导出钢管出现局部屈曲临界应力临界

    An axially compressive thin-walled steel element on elastic foundation is adopted to deduce the critical stress and critical diameter to thickness ratio for circular steel tube in local buckling.

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  • 据最新统计一英寸名单积累了过去十年左右使用记录,是这位通讯记者唯一的备份,包括少于174个在线服务计算机网络详细信息。

    At the last count, the inch-thick list accumulated over the past decade or so-your correspondent's sole copy-includes access details for no fewer than 174 online services and computer networks.

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  • 输入管道材料,以及PT 500计算最佳安装方法传感器分离距离

    Enter the pipe diameter, wall thickness and pipe material, and the PT500 calculates the optimum mounting method and separation distance for the sensors.

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  • Q235钢材C30混凝土构件的计算结果表明,钢管的最小临界为1700左右

    Calculation for short columns using Grade Q235 steel tube filled with Grade C30 concrete indicates that the critical diameter to thickness ratio of steel tubes is about 1700.

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  • 由于内部混凝土存在大大提高薄壁钢管临界屈曲应力

    It is found that the critical local buckling stress and diameter to thickness ratio of circular steel tube are considerably increased by the support of filled concrete.

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  • 提出了一种轴向极化压电圆环二维耦合等效电路模型

    A 2-d equivalent circuit models of the longitudinally polarized annulus and circular piezoelectric disk are established, which is coupled in the thickness and radial direction.

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  • 约束条件材料参数等不变时,随着冲击速度增大屈曲轴对称变为非轴对称。

    When the radius-to-thickness ratio, constraint condition and material parameters are given, the buckling mode is from axisymmetric to unaxisymmetric as impact velocity increases.

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  • 探索采用改进型工艺方法使用新型材料从而改变其成膜高频特性唯一使膜向高频方面迈进的必之路。

    Exploring improved thick film technology and using new materials to improve the thick film high frequency feature is the only way to bring thick film hybrid in 1c to the high frequency application.

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  • 分析了材料动态增强能力,考察比对圆筒形构件动态自增强效果的影响

    The dynamic autofrettage ability of materials is analyzed. The influence of the diameter ratio of thick-walled-cylinder components on the…

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  • 分析凹陷深度、弯曲、长截面比等参数杆件极限承载力的影响,讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。

    The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.

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  • 分析凹陷深度、弯曲、长截面比等参数杆件极限承载力的影响,讨论了上述参数对荷载-轴向缩短关系的单独影响和综合影响。

    The following parameters, dent-depth, initial crook, slenderness ratio and diameter-thickness ratio, are considered and their influence on ultimate bearing capacity is analyzed.

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