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Analysis is made on the risks of the shield tunneling across the existing railway by means of FEM and the following technical countermeasures are proposed: firstly, preconsolidation is made for the ground where the shield passes so as to improve the ground's stability; secondly, strengthened segments with preserved grouting holes are adopted in the tunnel design; thirdly, proper resources are allocated, the construction parameters are optimized and the construction monitoring and measurement are enhanced; finally, the shield tunneling is executed strictly following the predetermined plan.

采用有限元理论分析在有无旋喷桩情况下盾构穿越铁路的风险因素、提出控制沉降的技术措施：首先对盾构穿越区的地层进行了预先加固来改良地层，使地层有较好的稳定性；其次在盾构隧道设计上采用加强性管片，并增加施工预留注浆孔；在盾构穿越过程中合理配置资源，优化施工参数，加强监测和信息化管理。

The immunohistochemical location of noncollagenous protein, bone sialoprotein , osteopontin and osteocalcin at different stages following periradicular surgery was undertaken. The crystals formation on surfaces of MTA was evaluated when treated in different conditions without cells in vitro and in vivo. MTA was used to manage clinical problems, including perforations in roots or furcations, and pulpless permanent teeth with incomplete root formation. The study included the following three parts

本研究试图通过体内外研究探讨MTA表面牙骨质形成的机理，动物体内动态观察根尖周组织在用MTA倒充填后的组织反应和细胞外基质非胶原蛋白的表达，体外观察MTA在不同的环境下表面的形态及成分变化，和在体内环境下材料表面磷灰石层的形成，同时结合临床病例观察其临床治疗效果。

The method adopts the following steps: after mixed, phosphorus source, silicon source, aluminum source, an organic template agent, water and a precursor of the SAPO molecular sieve are hydrothermally crystallized for at least 0.1 hour at the temperature ranging from 110 to 260 DEG C to obtain the SAPO molecular sieve; wherein, the preparation method for the precursor of the SAPO molecular sieve has the following steps:, the molar ratio is 0.03 to 0.6 R:(Si0.01 to 0.98: Al 0.01 to 0.6: P0.01 to 0.6): 2 to 500 H2O; wherein, R stands for mixture solution of raw materials which is blended by the phosphorus source, the silicon source, the aluminum source, the an organic template agent and water of the template agent;, the mixture solution of raw materials prepared in step reacts at the temperature which is at least 50 DEG C lower than the crystallization temperature for at least 0.1 hour.

本发明通过采用包括以下步骤：将磷源、硅源、铝源、有机模板剂、水和SAPO分子筛前驱体混合后在110～260℃的温度下水热晶化至少0.1小时获得SAPO分子筛；其中SAPO分子筛的前驱体的制备包括以下步骤：将摩尔配比为0.03～0.6R∶(Si0.01～0.98∶Al0.01～0.6∶P0.01～0.6)∶2～500H 2 O，式中R代表模板剂的磷源、硅源、铝源、有机模板剂和水混合成原料混合液；将步骤制备的原料混合液在低于晶化温度至少50℃的温度下反应至少0.1小时的技术方案较好地解决了该问题，可应用于含氧化合物制烯烃催化剂的制备过程。

At 7 days following conventional culture, neurons were ellipse and subtriangular, with big body and clear boundary and many processes. Following retinoic acid culture, the number of neurons was increased, with clear morphology and a few processes.

常规贴壁分化培养7 d后，神经元多呈椭圆型和近似三角形，胞体大，细胞边缘清楚，胞体上有多个突起；而维甲酸诱导分化培养后，神经元数量增加，形态清楚，但细胞胞体上突起较少。

OBJECTIVE: To establish continuous passive motion models following repairing acute rupture of supraspinatus tendon, to observe the effect of CPM on histological changes of tendon-bone, and to explore the role of CPM in the postoperative rehabilitation following acute rotator cuff injury .

目的：通过建立兔冈上肌腱急性断裂术后被动应力刺激训练实验动物模型，观察被动应力刺激对其腱-骨界面组织学变化的影响，探讨被动应力刺激在肩袖损伤术后康复中的作用。

Following resolution, the following steps are performed: reduce the isomer to an alcohol, react the alcohol with triphenylmethyl chloride, ozonalyze the resulting reaction product, reduce the ozonalyzed product to yield a diol and react the diol with a methane sulfonyl compound to form-3-2-{(methylsulfonyloxy}ethoxy-4--1-butanol methane sulfonate.

拆分后，进行下一步：将异构体还原为醇，使醇与三苯基甲基氯反应，臭氧化所得反应产物，还原臭氧化产物以得到一种二醇并使所述二醇与甲烷磺酰基化合物反应以形成-3-2-{(甲基磺酰基氧}乙氧基-4--1-丁醇甲烷磺酸酯。

An initial sequence of steps is composed together with a following step as follows. The initial sequence of steps selects a set of nodes relative to a context node. Each node in that set is used as a context node for the following step. The sets of nodes identified by that step are unioned together.

初始定位步序列同一个作为其后续步骤的定位步结合在一起，然后初始定位步序列选择了相对于上下文节点的一集节点，最后这个集合中的每个节点被作为后续定位步的上下文节点，由后续步标识出的所有节点集被合并在一起。

Department of orthopaedics, Xiangya Hospital, Central-south University, Changsha, China3 Objectives: To study cervical adjacent zygapophyseal joint stress distribution following two level ADR and ACDF on, in order to provide biomechanical reference for clinical application of two level ADR. Methods: Eleven healthy adult fresh-frozen multi-segmental cervical spine segments were utilized in this study and biomechanically evaluated under the following C4/5, C5/6 cervical disc conditions:⑴intact spine;⑵he Bryan Disc prosthesis implantation;⑶the intervertebral fusion.

取11具新鲜完整的成人下颈段标本，按实验先后分别制成C4/5、C5/6椎间盘完整、椎间盘置换、椎间融合三个模型组，在标本上施加轴向分级载荷，将微型阻电式压力传感器置入C5/6、C6/7关节突关节内，测量合组各分级载荷下C5/6、C6/7关节突关节内的压力。

Following the main line with two assisted clews, this paper studied the way of decision making methods choice in order to make preparation for the following research.

全文以一条主线和两条辅线(选择理论&软&研究和量化结果&硬&探索)展开，对群体决策方法选择研究做初步的探讨，为未来的研究抛引玉之砖。

Pure-remote sensing information models are free of the numerous distributional parameters that are difficult to obtain in vast area. The following sections are included in the study.(1) The VCI and SVI based on time-series NDVI data are used to analyse regional drought and the following results were reached: As the vegetation growth status index, the response of VCI and SVI to precipitation was land cover type, temporal and site specified. So VCI and SVI have little information about drought when used to monitor regional drought especially in China that has a mountainous topographty.(2) Based on the interpretation of NDVI-Ts space, NDVI and land surface temperature was combined to construct NVDI-Ts space from which the TVDI (Temperature Vegetation Dryness Index) was obtained with line ratio method and normalized slopes method. When compared with the topsoil moisture measured in situ, TVDI are competent in regional drought monitoring. Illumed by the NDVI-Ts space, we combined the NDVI with day/night land surface temperature difference and apparent thermal inertia to construct NDVI-ΔT and NDVI-ATI spaces from which the DVDI and AVDI were estimated respectively with 8-day composite MODIS 〓 product and 16-day composite MODIS NDVI product.

具体包括以下几方面的内容：(1)VCI和SVI在干旱监测中的作用评价：探讨利用NDVI时间系列数据建立的植被状态指数和标准植被指数评价区域干旱的可行性，研究结果表明：VCI和SVI作为植被相对生长状况指标，对降水的响应随着植被覆盖类型、时间和空间等而表现出不同的敏感性，因此在大区域干旱监测中，特别是我国这样地形复杂多样的国家，VCI和SVI在干旱监测中的作用都是有限的；(2)利用TVDI评价全国干旱等级分布：结合陆地表面温度和植被指数建立NDVI-T〓空间，在NDVI-T〓空间物理意义理解的基础上，分别采用线段比值法和斜率归一化法构建温度植被干旱指数，并利用TVDI研究了我国2000年3～5月份各旬的干旱分布，取得比较满意的结果。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。