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Methods Ten volunteers with experimental premature contact at the first premolar, the first molar and the second molar were asked to clench in CO and their electromyographic activity of the masseters, anterior temporalis and anterior belly of digastric muscles were measured simultaneously.

测定 10名志愿者在正中牙合；左右两侧下颌第一双尖牙、第一磨牙、第二磨牙实验性早接触状态下，嚼肌、颞肌前束及二腹肌前腹肌电活动的积分值与频谱值。

Methods On the basis of the three-dimensional computed tomography, 75 cases of complex acetabular fractures were diagnosed and classified according to Letournel classification. They were treated through the anterior, posterior, combined anterior-posterior and the improved iliofemoral approaches. All the fractures were fixed with screws and AO reconstruction plates.

75例Letournel分型复杂髋臼骨折，术前经骨盆CT三维重建明确诊断分型后，分别采用前、后入路，前后联合入路及笔者改良的髂股入路显露并复位，AO重建钢板内固定。

In light of the present study's findings, we suggest that the technique of anterior decompression, strut grafting, and anterior instrumentation is an effective method for the treatment of post-traumatic kyphotic deformity and that the success of the technique depends on the time from trauma to operation and the severity of baseline deformity, regardless of the type of instrumentation.

从目前的研究发现来看，我们建议，前路减压支撑性植骨，前路内固定的方法是治疗创伤后驼背畸形的有效手段，而且这一方法的成功取决于从受伤后到手术的时间，原始畸形的严重程度等，但与内固定的类型无关。

In light of the present study's findings, we suggest that the technique of anterior decompression, strut grafting, and anterior instrumentation is an effectie method for the treatment of post-traumatic kyphotic deformity and that the success of the technique depends on the time from trauma to operation and the seerity of baseline deformity, regardless of the type of instrumentation.

从目前的研究发现来看，我们建议，前路减压支撑性植骨，前路内固定的方法是治疗创伤后驼背畸形的有效手段，而且这一方法的成功取决于从受伤后到手术的时间，原始畸形的严重程度等，但与内固定的类型无关。

objective the purpose of this study was to explore the method and effectiveness of apertognathia of anterior teeth in teenagers.methods the majority patients were corrected with edgewise appliance after draw four molars, all sorts of flexure were curved on the appliance, used perpendicular traction for anterior teeth and ii, iii maxillomandibular traction, fine adjust intercuspal position ,tip and cavity.

目的 探讨青少年前牙开牙合的矫治方法和效果。方法多数患者采取拔除4个磨牙之后使用方丝弓矫治器矫治，矫治中在弓丝上弯制各种曲，并使用前牙垂直牵引和颌间ⅱ类、ⅲ类牵引，精调牙位及尖窝关系。

Results:On the section through tracheal bifurcation, in front of the apicoposterior segmental vein, anterior segmental artery lay medioanterior to anterior segmental bronchus.

在44例成人胸部连续横断层标本和10例多层螺旋CT图像上，追踪观察了左侧第1、2、3肺门处支气管、肺动脉和肺静脉的分支及其毗邻关系。

According to the definition of OCSP, patients were classified into the following 4 clinical subgroups:total anterior circulation infarcts, partial anterior circulation infarcts, lacunar infarcts, and posterior circulation infarcts by 1 neurologist.The frequencies were compared between subgroups, In the subgroup of which frequency was hightest, progressive and nonprogressive patients were compared in terms of the following variables:age, gender, hypertension,diabetes mellitus,cigarette smoking, The Canadian Neurological Scale Score at entry, systolic blood pressure at entry,fever at entry(body temperature37°C),stochastic blood glucose at entry, total cholesterol, triglyceride, high-density lipoprotein, low-density lipoprotein, fibrinogen, large-artery atherosclerosis (50% stenosis or occlusion of the corresponding artery).

对进展性脑卒中发病率最高的亚型，选取年龄、性别、既往高血压史、糖尿病史、吸烟史、入院时加拿大卒中量表(The Canadian Neurological Scale Score，CNS)评分、入院时收缩压、入院时发热(体温大于37°C)、入院时随机血糖、胆固醇水平、甘油三酯水平、高密度脂蛋白水平、低密度脂蛋白水平、纤维蛋白原水平、相应大动脉粥样硬化(≥50%狭窄或闭塞)共15个可能的危险因素进行评定。

Get the neonate Sprague-Dawley rats medulla spinalis, through the conventional primary cell culture procedure, we use the method of difference adherence time and get the motor neurons of anterior spinal cord. When the neuron is in maturity, we make the mechanical injury model in vitro. All the models were divided into four groups: group A is control group; group B is 100μM ATP group; group C is 100μM ATP+20μg/ml suramin group and group D is 100μM ATP+10μM ouabain+10μg/ml Thapsigargin group. Culture the four groups neurons, after one day, we count the motor neuron, observe the survival and activity of neurons through MTT shade selection experiment, use flow cytometry to analyze the percentage of apoptosis of motor neurons of anterior spinal cord and detect the expression of protein p-GSK-3β(ser9) through Western-Blot technology.

方法取新生大鼠脊髓，通过常规的原代细胞培养程序，采用差速贴壁法分离出大鼠脊髓前角运动神经元，培养成熟后制作神经元机械损伤体外模型，分为A组：对照组、B组：100μMATP组、C组：100gMATP+20μg/ml Suramin组和D组：100μM ATP+IOμM Ouabain+10μg/ml Thapsigargin组，对各组机械损伤的运动神经元进行培养，1天后分别进行运动神经元计数、MTT比色实验观察运动神经元的存活及活性、流式细胞仪分析机械损伤的脊髓前角运动神经元凋亡百分率和Werstern Blot技术检测p-GSK-3β(ser9)的表达。

All four of the femoral nere palsies in our series were related to the use of a lateral hip decubitus positioning system with anterior pads that were positioned laterally against the anterior superior iliac spine and medially against the pubis.

在我们的研究组中，4例股神经麻痹都与应用髋关节侧卧位定位系统有关，该系统前方装有一垫子从侧向阻止髂前上棘，从中间阻挡耻骨。

It works to establish OA rat model by resecting of the anterior cruciate ligament and anterior part of the right knee medial meniscus.

结论前交叉韧带切断加内侧半月板部分切除的方法制作大鼠骨关节炎模型是可行的。

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