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Analyzed the correlation of different genotypes and productive performances in Sutai pigs with the BB、BD and DD genotypes of HaeⅢdigestion analysis and Sutai pigs with the AA、AB、BB genotypes of RsaⅠdigestion analysis, the results showed significant correlation with postweaning viability in the second litter, and the significant correlation with the total litter, number of viable pigs, litter weight at birth, number of ablactation pigs and litter weight after ablactation in the third litter.

8苏太猪SLA-DQB不同基因型的生产性能比较表明,HaeⅢ酶切的3种基因型BB、BD和DD分别与RsaⅠ酶切的3种基因型AA、AB、BB相对应,HaeⅢ酶切的3种基因型和RsaⅠ酶切的3种基因型均与2胎断奶成活率显著相关,与3胎总产仔数、产活仔数、初生窝重、断奶仔猪数和断奶窝重显著相关,与6胎总产仔数、断奶仔猪数和断奶窝重也显著相关。

The results show that the increasing Marangoni number will lead to more nonlinear distribution of temperature field, but streamfunction of the cell center; vorticity on the wall and peak value of velocity diminish first, then increase, finally lose stability. The thermocapillary convection in the whole liquid zone appears to get stronger along with the augmentation of Prantal number. The effect of increasing of Biot number on temperature and flow fields is not obvious although the convection is strengthened a little. As increasing the aspect ratio A, thermocapillary convection induced by temperature gradient and liquid viscosity becomes stronger.

结果表明:温度场的非线性分布随着Ma数的增大而加剧,但对流涡胞中心流函数、壁面涡量和轴向、径向速度峰值并不象温度场随着Ma数的增大而单调增大,而是先减小,然后增大,最后失稳,表明Ma数对热毛细对流的影响比较复杂,针对不同的物理模型,会导致完全不同的流态;Pr数愈大,流体的热扩散能力在粘性扩散与热扩散能力之比中愈占支配地位,当Ma数一定时,热毛细对流随Pr数的增大在整个液体区域内有增强的趋势;Bi数增大,热毛细对流有所增强,但不甚明显;A的增大使得由温度梯度和流体粘性诱导的热毛细对流随之增强。

We will demonstrate the specification of reference prior distribution on the random covariance matrix. We will consider the approximate uniform shrinkage prior and approximate Jeffreys' prior. Both are formulated based on the approximated likelihood function. Under generalized linear mixed models, we show that the posterior mode under Jeffrey's prior is asymptotically closer to the REML estimate than the mode under uniform shrinkage prior does.

在广义线性混合模式下,我们证明了在样本数很大时,随机效应之变异数成份的后验众数和REML估计值会近似相等,同时也建立了后验众数和REML估计值的近似关系式,并提出了比较二种后验众数与REML估计值之间远近的准则。

By systematically analyzing the single particle level and the occupation probability near the Fermi surface,and the rule of nuclear particle number deviations with proton numbers for N =8,20,28,50,82,126 neutron chains within the relativistic mean-field model with BCS theory,we have discussed the stability of the shell structure for the traditional neutron magic in the whole range of nuclear spectrum from neutron line to proton line,and predicted that traditional neutron magic number effect shall possibly disappear only in light neutron-rich nuclei.

在考虑了BCS理论的相对论平均场模型框架内,通过系统研究 N =8,20,28,50,82和126六条同中子素链中每个元素费米面附近的单粒子能级间隔、粒子数占有概率比以及原子核体系的粒子数偏离随质子数的变化规律,讨论了传统中子幻数的壳结构在从中子滴线区到质子滴线区整个核谱上的稳定性,预言只有在轻核的丰中子区域,传统的中子幻数效应才可能消失,并把计算结果和最近的文献报道作了比较。

In above mentioned conditions, the number of vessel ramification and ratio of vessel area/CAM area in VEGF group were 128.4±10.02 and 7.44±1.36 respectively, so there was no difference between PMP and VEGF groups. It is concluded that PMPs show promotive effect on the formation of capillaries in chick chorioallantoic membranes.Key words platelet??

而在对照组无特异性密集血管生成,血管分支数为82.6±8.05,血管面积为1.78±0.33,二组比较有显著性差异(P<0.05);而与VEGF组比较,后者的血管分支数为128.4±10.02,血管面积为7.44±1.36,二组比较差异无显著性。

In order to realize the compatible communications system between digital TETRA and analogy MPT1327. Communications protocol between digital radio and control center is defined. Emergency call software flow for TETRA and MPT module is designed, and also state information sending and receiving for TETRA and MPT module is designed in this communication system. By comparing several solutions, switch methods between analogy TETRA communications and digital TETRA communications are designed including manual-switch and soft-switch. In the article, coding module of receiving and sending equipments in TATT analogy TETRA communications is described, so that it can be compatible with NOKIA network equipments and it also can improve the availability rate of the trunk system. In order to realize the integration of digital TETRA communication and analogy MPT1327 communications, double- frequency antenna system is researched.

通过几种车载电台解决方案比较,设计了相应的模拟集群通信系统与数字集群通信系统的切换方法,其中包括人工切换和软切换,实现了模拟与数字集群兼容的一体化移动列车调度电台解决方案;为了实现数字集群通信系统与模拟集群通信系统以及NOKIA与TAIT模拟集群通信系统之间的相互兼容,设计了新的数字车载电台与控制中心之间的通信协议;系统设计了用于数字集群通信模块的紧急呼叫通讯流程,以及设计了用于模拟集群通信模块状态信息发送与接收流程,以满足列车无线调度的运营要求;论文还论述了对TAIT模拟集群收发设备编码模块的改造,使之能与NOKIA的集群设备相兼容,提高了集群设备的利用率,为在NOKIA模拟集群通讯模块停产后寻找了一种可替代的兼容解决方案;为了实现数字集群通信系统与模拟集群通信系统设备的综合,论文还探讨了本工作所需专用的双频段的天线系统。

objective to evaluate the role of mr perfusion weighted imaging in preoperation diagnosis of meningiomas.methods mr perfusion weighted images was performed in 47 patients with meningiomas followed by conventional imaging.results the mean rcbv values of angioblastic was the highest in the parenchyma of tumor.the mean rcbv values of malignant group was the lowest.the biggest mean rcbv values among different type meningiomas was statistically significant.the biggest mean rcbv values between benign and malignant group meningiomas was statistically significant,but not in the peri-tumor edema.conclusion the rcbv values were useful in the preoperative differentiation diagnosis of different types of meningiomas.those in the peri-tumor edema were useless in the preoperative differentiation diagnosis of different types of meningiomas.

目的 探讨磁共振灌注成像技术对脑膜瘤术前分型及良恶性鉴别的临床应用价值。方法对47例脑膜瘤病人行mr灌注成像检查,对5种亚型的良性脑膜瘤的mr灌注成像进行分析,并与非典型性及恶性脑膜瘤进行比较。结果血管瘤型脑膜瘤实质部分的rcbv值均数最高,恶性组脑膜瘤的rcbv值均数最低。各亚型间瘤体实质最大rcbv值均数间差异有统计学意义(p<0.05),良恶性脑膜瘤实质部分最大rcbv值均数间差异有统计学意义(p<0.05)。瘤周水肿区的rcbv值均数间差异无统计学意义(p>0.05)。结论 rcbv值对脑膜瘤术前分型及良恶性鉴别有所帮助,而瘤周水肿区的rcbv值对脑膜瘤分型及良恶性鉴别未显示临床实用价值。

In the paper only the range of normal value and the description of frequency distribution are discussed. In theory the widely-used percentile method to determine the range of normal value is imperfected. Curve fitting method show some advantage in determining the range of normal value, but is difficult to calculate.

从理论上说明了现在常用的确定正常值范围的方法存在一定的问题,尤其证明了大家使用得比较多的百分位数法存在的缺陷,说明了曲线拟合法的优点,而在频数分布拟合完成之后,就已经找到了频数分布资料的理论分布曲线,有了理论分布函数,我们利用分布函数计算正常值范围就比较容易,也比较准确。

objective to assess the fulfillment of round 3 of global fund aids program in china in order to provide basis for selecting scientific preventive measures and making reasonable work plan.methods to analyze the core programs from reports of round 3 of global fund aids program in 72 counties of 7 provinces in mid part of china,and to assess it by combining specific investigated results.results up to dec 31,2006,fulfilling rate of receiving treatment for occasional infection,and the number of preventing aids patients as well as infected persons was 98.57%.the rate of other index overpassed rearranged objectives.of which,the rate of vct was 111.45%,the rate of receiving anti-virus treatment was 108.42%,the rate of programs activities of government and non-government was 133.83%.at least there was one teacher trained living skills about aids.the fulfilling rate of the number of middle schools of developing living skill education about aids was 125.73%.the fulfilling rate of the number of middle school students educated about living skills was 147.53%.conclusion the fulfillment of objective management of round 3 about aids,especially core index was effective.but there existed the problem that fulfilling rate of some index was too high,which would be corrected in the later phase.

对中国中部7个省72个县实施第三轮全球基金艾滋病项目的完成项目指标报表进行汇总,对其中10个核心项目进行分析。结果截至2006年12月31日,10个核心项目中,除接受机会性感染治疗和预防的艾滋病患者/感染者人数的完成率为98.57%,其他指标完成率均超过了预定目标。其中自愿咨询检测人次数的目标完成率为111.45%;接受抗病毒治疗的艾滋病患者数的目标完成率为121.37%;获得关怀与支持的hiv感染者/艾滋病患者及其家庭数的目标完成率为108.42%;政府部门与非政府机构主动开展的项目活动数的目标完成率为133.83%;至少有一位教师接受过艾滋病生活技能培训,并对中学生开展艾滋病生活技能教育的中学数的目标完成率为125.73%;接受生活技能教育的中学生数目标完成率为147.53%。结论第三轮艾滋病项目的目标管理,特别是核心指标的完成情况取得了比较理想的效果,但存在个别指标完成率过高的问题,将在后续阶段予以纠正。

The grain-leaf ratio showed a periodic oscillation relation to total seedling number in each growing stage, it was decreased with the increasing of total seedling number in earlier winter stage, wintering stage and jointing stage and was increased with the increasing of total seedling number in turning green stage. The grain-leaf ratio was bigger when the total seedling number was 2700000-3200000 plants/hm^2 in earlier winter stage and was 6400000-8200000 plants/hm^2 in turning green stage.

粒叶比与各生育阶段总苗数呈周期性振荡关系,且随着冬前期、越冬期和拔节期总苗数的增加而减小,随着返青期总苗数的增加而增大,当冬前期总苗数在270万320万株/hm^2、返青期总苗数在640万820万株/hm^2时,粒叶比较高。

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