分叉

OBJECTIVE: To compare different densities of autologous bone marrow mesenchymal stem cells for repairing canine experimental class Ⅱ furcation defects of periodontal tissues.

目的：比较不同密度自体骨髓间充质干细胞修复II度牙根分叉病变区牙周组织缺损的能力。

AIM:To investigate changes of the objective indicators before and after treatment of lesion in root furcation areas of mandibular molars by method of tooth hemisection in order to evaluate the applications of tooth hemi-section in this field.

目的 ：探讨牙半切术在治疗下颌磨牙重度根分叉病变前后各项客观指标的变化，为该治疗方法的进一步应用提供依据。

Another noted finding is that the furcation of alveolar bone played a major role on the tooth mobility of first molar.

且牙根分叉处齿槽骨对第一大臼齿牙齿动摇度的影响扮演了一个重要的角色。

Objective: To evaluate the accuracy of measurement of Ⅱ° furcation involvements in molars of dry mandibles by cone-beam computed tomography.

目的：评价锥形束CT对离体干下颌骨磨牙Ⅱ°根分叉病变测量的准确性。

The above results revealed that the combining application of EMPs and e-PTFE membrane could significantly promote the treatment of furcation defects.

上述结果表明：EMPs与eITFE膜联合应用可明显促进人工根分叉部位牙周组织缺损的愈合，尤其是无细胞性牙骨质的再生。

The multi-fracture propagating during the unstable propagation accounts for the phenomena of furcation at the ends of earthquake faults.

失稳扩展中多条裂纹系同时扩展是地震破裂中出现分叉和多点同时破裂的主要原因。

The results suggested that PRP/ BPBM added no benefit to GTR in the treatment of grade Ⅱ molar furcation defects.

在本实验条件下，PRP复合BPBM不能明显增强GTR对Ⅱ度根分叉病变的再生作用。

CBCT could provide precise and detailed 3D images of Ⅱ° furcation involvements in vitro.

在体外，CBCT可以为下颌磨牙Ⅱ°根分叉病变提供较为准确、全面的三维信息。

The self-organization evolving mechanism of cluster sustainable growth are analysed and discussed , and the article think that the opening and unbalance is the precondition , fluctuating is the inducement , furcation and environment selection is the path , competition and cooperation is the power about cluster sustainable growth.

探讨了产业集群持续成长的自组织演化机理，并认为集群的开放性与非平衡是集群持续成长的前提；涨落是集群持续成长的诱因；分叉与环境选择是集群持续成长的路径；竞争与协同是集群持续成长的动力。

After discussing the methods of 3D surface reconstruction, this paper provides a easy way to solve the problem of contour furcation. To meet the requirements of CT-simulation, a fast variable step-size based algorithm for digitally reconstructed radiographs is presented.

对三维形体重建技术作了详细的讨论，针对表面重建过程中轮廓线分叉问题，提出了一个简单的解决方法；针对CT模拟技术应用的需要，提出了一种基于可变步长的数字化重建放射图像快速生成方法；同时提出了一种改良的正向剂量计算方法。

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。