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To study the correlation between the operative quantum and the preoperative far stereopsis for intermittent exotropia.

目的:探讨间歇性外斜视术前远立体视觉与手术量的关系,以期间歇性外斜视术后正位率更高。

The method solves the real time problem of how to extract the positive sequence active and reactive currents from an unsymmetrical and distorted three phase system by fan-in theory, and simplifies the system structure and reduces the computation burden.

既解决用扇合矢量法从三相不对称、含畸变的系统中提取基波正序有功、无功电流的实时性问题,又达到简化系统结构和减少计算量的目的。

New generation's CNC system this kind of model integration of machinery product toward the high performance, the intellectualization, the systematization as well as the featherweight, the microminiaturized direction develops.

新一代的CNC系统这类典型机电一体化产品正朝着高性能、智能化、系统化以及轻量、微型化方向发展。

The results show that dynamical ductil-ity dominated final velocity of fragments. During tube expansion, the shear fracture appears preferentially a-long the adiabatic shear bands under positive stress, so the adiabatic shear band determines the size and shapeof fragments. Though the fragmentation behaviour of medium carbon Si - Mn bainific steel is close to that ofsteel 50SiMnVB, medium carbon Si - Mn bainitic steel is an ideal candidate material for the tubular bombs be-cause it is better in dynamical ductility, which can enable the tubes to gain high speeds before fragmentation.

结果表明:材料动态塑性是决定破片最终速度的主要因素;圆管膨胀时外表面形成以剪切为主的裂纹,并向内扩展,接近内表面的绝热剪切带伴随着圆管的膨胀而扩展,并未出现失稳现象,但在正应力的作用下成为优先的断裂通道、决定破片的尺寸和形态;中碳Si-Mn贝氏体钢与50SiMnVB钢的破碎性能相近,但贝氏体钢动态塑性很更好,破碎前的膨胀量较大、更有利于提高破片初速,是弹箭比较理想的候选材料。

The results indicate that multiple reflections are favorable to the increase of depth. When the focal position is above the surface, the absorptive intensity on the front decreases, so the cutting depth decreases. When the focal position is below the surface, the position on the front with the maximum power intensity is downward. The intensity distribution is toward the deeper position, the cutting depth increases. But if the negative focal distance is extremely big, the intensity of the deeper position attenuates sharply with the increase of focal radius and light distances, so the depth deceases.

正离焦切割时,前沿吸收的总激光功率密度减小,切割深度减小;负离焦切割时,最大激光功率密度值的位置下移,使得前沿功率密度分布朝着深部推进,切割深度增加,若负离焦量过大,表面光斑直径和光程增加,更深位置的功率密度减小,切割深度减小;随着激光功率增加、切割速度减小,则前沿弯曲程度减小,被激光直接照射的前沿部位增长,前沿吸收激光功率密度增加,切割深度增加。

In chapter 4, sufficient conditions of at least one, two and multiple positive periodic solutions to a scalar functional differential equation with muti-finite delays are obtained by using a fixed point theorem introduced in [27] and [85] which is different from the one of a cone compression and expansion of norm type. It generalizes and improves some related results in the literature.

第四章利用文献[27]和[85]中所给出的不同于范数型锥压缩和拉伸的不动(来源:bc1cbcABC论文网www.abclunwen.com)点定理得到了具有有限时滞纯量泛函微分方程至少存在一个、两个和多个正周期解的充分条件,推广并改进了已有的相关结果。

The changing rules of effect factors of gel strength and quantity of gelatin are studied by orthogonal design.

利用正交实验的极差分析法,对提胶过程中影响明胶冻力和下胶量的因素进行了研究。

By using the multi-year series of the circulation indices P and C for the closed pressure system on the unit radius spherical surface,three characteristic quantities of annual system centers(around the climatological center C-) are defined.1Average distance r,which is defined as the weighted geometric average distance of the annual system centers C deviating from the climatological center C-(i.e.the center location anomaly C′),is a measurement for distribution area of the system...

用单位半径球面上闭合气压系统环流指数P、C的多年序列,构造了历年系统中心在C-周围分布的3个特征量:1平均距离r,它定义为历年系统中心C偏离于气候中心C-的权重几何平均距离,是系统中心分布区域大小的度量;2压缩系数μ,它描述了历年系统中心分布区域偏离于圆形的程度,是历年系统中心位置分布各向异性的度量;3极大异常方向β,它用系统中心极大异常偏离-C处正东方向的角度,给出了系统中心的主要异常方向。

Results:Normal rats as the donator of serum, using methanolic extract of CWC, 10 times equivalent dose for adults every day, intragastric administration twice a day of 8-hour interval, keeping on 3 days, hemospasia after 2 hours of the last administration was the better preparative method of the serum containing drug.

建立CCl4诱导的原代培养大鼠肝细胞损伤模型,大鼠为含药血清供体,以含药血清对损伤肝细胞增殖及丙氨酸氨基转移酶泄漏的影响两个指标,结合含药血清中五味子乙素的含量测定,分别采用单因素考察、多因素的正交试验,优选含药血清的制备方法,并确定体系中血清添加量。

The major telluride minerals are hessite and petzite, with some alaite and tellurobismuthite intergrowthed, occurring as a closely paragenetic group in inter-crystal porosesor fractures of sulfides and gangue minerals.

碲银矿和碲金银矿中Au含量变化较大,w为痕量至26.1%,与银呈负相关,与铋为正相关,可能是以类质同象形式替代Ag进入到碲银矿中;碲铅矿中未检测到金。

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She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了,但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

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