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Objective:To study the best entry points, direction and length of screw in acetabular anterior column lag screw technique.

目的：研究髋臼前柱拉力螺钉内固定技术中螺钉的最佳进钉点、方向和长度。

Objective: To provide anatomical basis for the placement of lag screw in the acetabular anterior column.

目的 ：为髋臼前柱拉力螺钉内固定提供解剖学基础。

Objective: To study the best catty points, direction and length of screw in acetabular anterior column lag screw technique.

目的：研究破臼前柱拉力螺钉内固定技术中螺钉的最仕进钉点、方向和长度。

Characters of various brain areas: In ADHD without Ritalin, the prefrontal lobe , basal ganglia , cerebellum, anterior cingulate gyrus , cerebellum and right inferior parietal lobulus showed lower activation than that of controls on IC. On IC in ADHD without Ritalin, activation of PFL remained lower than that in controls, GaC was similarly activated to that in controls. But on IC in ADHD without Ritalin, the activation of BG, cerebellum and right LPI was higher than that in controls.

不同脑区激活特点：ADHD患儿完成冲突任务时前额叶、基底节、小脑以及右侧顶下小叶激活程度低于对照组；完成中性任务时，前额叶激活程度较对照组弱，扣带回前部激活程度与对照组相似，而基底节、小脑、右侧顶下小叶激活程度较对照组强。

Accuracy of the 4 methods was compared for sparseness and defect of anterior wall with reference to the results of coronary angiography.

以冠状动脉造影结果为标准，比较4种方法判断前壁稀疏缺损的准确性。

Accuracy of the 4 methods was compared for sparseness and defect of anterior wall with reference to the results of coronary angiography.

以冠状动脉造影结果标准，比较4种方法判断前壁稀疏缺损的准确性。

The left anterior de scending branches were ligated in anesthetic dogs to establish acute myocardial infarction models. The activities of AST, CK and LDH in serum were detected and the changes of ultrastructure of myocardium were observed.

采用麻醉开胸结扎犬的冠状动脉前降支制备急性心肌梗塞模型，取静脉血检测血清中天门冬氨酸转氨酶、磷酸肌酸激酶和乳酸脱氢酶活性；应用透射电子显微镜观察心肌细胞超微结构的改变。

Retractors can be placed across the medial column to retract the anterior soft tissues.

牵引器置入肱骨内上髁嵴牵引肘前部软组织。

OBJECTIVE: To compare safety and efficacy between anterior cervical decompression and fusion procedures as well as compound titanium rete implantation for the treatment of cervical spondylotic myelopathy using Meta analysis.

目的：利用Meta分析的方法在较大样本量的前提下，比较国内应用颈椎前路减压加植骨融合与加用颈椎前路带锁钛板置入内固定治疗脊髓型颈椎病的有效性和安全性。

Objective To compare the shear bond strength of the fractured anterior teeth reattached by two different adhesive materials.

目的 比较2种粘接剂用于前牙断冠再接时的剪切力。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐