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Methods:The diagnostic accuracy for severe PPH by the measuring amount of blood loss was compared with shock index or measuring of blood loss combined with shock index in 69 cases.

结果 :测定出血量和休克指数的符合率分别为 5 9 42 %和 6 9 5 6 %,均显著低于测定出血量结合休克指数的 89 6 8%(P 0 1)。

Via the stochastic averaging method, the four-dimensional system is reduced to a two-dimensional one. Through the logarithmic polar transformation , and then Girsanov theorem and Feynmann-Kac formula, the backword differential operator is then obtained. By expanding the eigenfunctions as a Fourier cosine series, the approximate analytic expansion of the moment Lyapunov exponent is then obtained.

首先在经典二元机翼颤振方程加入随机激励,通过随机平均法,Girsanov定理和Feynmann-Kac公式得到关于矩Lyapunov指数的特征值问题,其次采用Fourier余弦级数对特征函数进行正交展开得到系统矩Lyapunov指数的近似解析式。

Methods 35 patients in observation group were treated with stable biteplate combined with SH epicoele injection,whereas the 30 patients in control group were only given SH injection.

方法治疗组35例患者给予SBP联合SH注射治疗,对照组30例患者单纯给予SBP治疗;观察患者治疗前后开口指数及疼痛指数的变化。

In this paper, a chemical-mathematic model for the pressure index of nitramine modified double based propellants is presented , and the expression of pressure index is given.

提出了硝胺改性双基推进剂燃速压力指数的化学数学模型,给出了燃速压力指数公式。

These tests show that: 1. suction decreases with the increase of the water saturation in the chalk; 2. stress variants proposed are available for describing the stress state of the unsaturated chalk; 3. preconsolidation pressure increases with suction, while the effects of suction on the compressibility coefficients λ and κ are not evident; 4. as usual unsaturated soils, the permeability to oil of chalk increases with the suction; 5. yield strength of the chalk behaves with volumetric strain hardening; 6. cohesive behaviour of the chalk is related to the stress level, and relation between time-dependent deformation and logt is linear; 7. cohesion of the chalk decreases with the increase of the suction, while the elastic stiffness and the cohesion coefficient increase; 8. strength and elastic modulus increase with the strain rate, while the strain at the peak strength decreases with the increase of the strain rate.

试验结果表明,白垩中的虹吸力随水饱和度的降低而提高;吸力、水饱和度和强度的变化过程均与时间有关;可用由理论分析得到的应力状态变量描述非饱和白垩的平衡状态;前期固结压力随吸力增加而提高,而压缩指数λ与κ则同吸力无关;应力大于前期固结压力时,粘性变形与时间的对数关系曲线呈线性关系,其大小和增长速率均随吸力减小而增大,可视为白垩弹性刚度降低和粘性系数增大的结果;前期固结压力和变形模量随着应变速率的提高而提高,压缩指数κ和λ则随应变速率的提高而减小;应变速率较低时,粘性和吸力对前期固结压力及压缩指数的影响较小;白垩中油的渗透性随着吸力增加而提高;白垩在屈服阶段具有明显的体积应变硬化特性。

The role way of major QTL controlling Days-to-Tassel photoperiod sensitive indexes were partial dominances along with over dominance, and single QTL contribution of rate ranged from 5.53% to 15.52%.

控制抽雄光周期敏感指数的QTL有3个,单个QTL贡献率5.53%~15.52%,作用方式为部分显性和超显性;检测到控制散粉、吐丝光周期敏感指数QTL各1个,都位于第10染色体,作用方式为加性和部分显性。

Therefore, the study is significant both theoretically and practically. As a result, the studying aim of this paper is to establish a practical and complete system for the prediction of ship maneuvering motion, taking into account of the influence of the environmental factors, such as the wind, wave and current, establish a practical and complete system for the prediction of ship maneuvering motion. In this paper, the OpenGL virtual reality simulation technique is introduced into the field of ship maneuver and control, and using the MMG mathematical model, the three dimensional dynamic simulation system of the ship motion is established and good results are achieved. In the process of the system development, firstly, the maneuvering motion equations for ship in the still water are established, based on the MMG module mathematical model and serial experimental result. After compiling the program, the calculation results are compared with the experimental data, the coherence between them validate the mathematical model.

在系统开发过程中,首先采用MMG分离式数学模型及相关的系列化试验结果,建立单桨单舵海洋运输船舶在静水中的船舶操纵运动方程,并编制计算程序,经与试验结果比较,证实了计算结果的正确性;为了解MMG数学模型中模型参数变化对操纵性指数的影响程度,作者在上述已有程序基础上,对有关模型参数进行偏移修正,探讨了相应参数变化后的操纵性指数,对船舶操纵性指数对模型参数的灵敏度进行了详细的分析与探讨,所得结论与工程实际相吻合,具有实际应用价值,并为进一步提高船舶操纵性预报的精度打下了基础;然后,在已有的船舶静水操纵运动模型基础上,考虑双桨双舵的影响,建立了内河双桨双舵船舶的操纵运动模型;最后,综合考虑风浪流作用力的影响,进行了船舶的操纵运动仿真计算。

Since then, the FTSE emerging markets index has outperformed the developed markets index by 48.8 per cent.

自那以来,富时新兴市场指数的涨幅比发达市场指数高出48.8%。

The thesis uses relevant analysis and regression model, the fluctuation of probing into international important index , the macroecnomic variables of the United State of America and Taiwan, and is listed the Taiwan Electronic Sector Index to our country is studied.

摘要本研究运用相关分析与复回归分析,探讨国际间重要指数、美国总体经济因素、国内总体经济因素对於我国上市电子类股指数的波动性研究。

For the leaf area index of the three forest types, there was a similar variation trend, i.e ., increased first and decreased then, with the maximum presented in mid-July or August for Q. mongolica and J.mandshurica forests while in mid-August or September for F. rhynchophulla forest. The canopy porosity of the three forest types also had a similar variation trend, but opposite to leaf area index, being decreased first and increased then, with the minimum presented in mid-June, July, August or September. The analysis of variation coefficients of leaf area index, transmitted direct gap light, and transmitted diffuse gap light indicated that the spatial pattern of leaf area index in July-September was the main factor affecting the spatial distribution of transmitted diffuse gap light.

结果表明,3种林型的叶面积指数变化总体趋势是一致的,均呈先上升再下降的单峰曲线,蒙古栎林和胡桃楸林都是在7月中旬或8月中旬达到最大峰值,花曲柳林是在8月中旬或9月中旬达到最大峰值;3种林型冠层孔隙度的变化总体趋势也是一致的,呈先下降再上升的单峰曲线,不同样地峰值出现的时间也不同,最低峰值在6、7、8、9月中旬均有出现;通过对不同月份的叶面积指数、林下散射光、林下直射光的变异系数分析表明,7—9月叶面积指数的空间格局是影响林下散射光空间分布的主要因素。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?