充填

Simultaneously an experimental study on filter efficiency and pressure drop under various structure dimensions and packing density is conducted and experimental results are compared and analyzed.

同时对其进行了在不同结构尺寸、充填密度下，捕捉器捕捉效率和过滤阻力的试验研究，并对试验结果进行了对比和分析。

The testing model of capillary was determined and the relations among the force of liquid, filling pressure, and tube radius were analyzed.

确定了毛细管试验模型，分析了毛细管中液体的受力、计量充填压力与管径的关系。

71 ears of post-mastoidectomy (discharging 53 ears anddried up 18 ears) were undergone with reconstruction of middle ear. The posterior wall of external auditorycanal, mastoid cavity and chain of ossicles were reconstructed with homologous costal cartilage.

以同种异体肋软骨为外耳道后壁重建、乳突充填和听骨链重建的材料，对71例于乳突根治术后行中耳重建术。

Methods: 71 ears of post- mastoidectomy (discharging 53 ears and dried up 18 ears) were undergone with reconstruction of middle ear. The posterior wall of external auditory canal, mastoid cavity and chain of ossicles were reconstructed by homologous costal cartilage.

用同种异体肋软骨为外耳道后壁重建材料、乳突充填材料、听骨链重建材料，对71例乳突根治术后耳(流脓53耳，干耳18耳)作了中耳重建术。

Objective The purpose of the study is to discuss the clinical effect of Cortisomol paste for root canal filling of pulp necrosis andchronic periapical periodontitis.

目的 探讨Cortisomol糊剂一次性根管充填治疗牙髓坏死和慢性根尖周炎的临床疗效。

Methods In the treatment group,80 teeth of 150 cases were treated with the modified paste after the rountine drilling in the pulp canal and the enlarging and clearing of the root canal.

方法对 156例，180颗慢性根尖周围炎患牙常规开髓，清理扩大根管，采用自行配制的改良式复方根充糊剂行根管充填术。

Root canasl therapy ; Dental pulp cavity ; Root canal obturation

根管疗法；牙髓腔；根管充填

Methods select the molars that need root canal re-treatment after pulp mummification, under the microscope in the dental surgery, treatment with ultrasound equipment, and record the change of patients?symptoms, the effect of filling in the course of treatment.

选取临床上干髓术后需要根管再治疗的磨牙，在牙科手术显微镜下，配合超声器械进行治疗，并记录治疗过程中患者症状改变及充填效果。

When pulp chamber access were achieved, the working length of each canal was measured using ROOT ZX apex locator with root canals in dry or moisture conditions.

常规根管清理后，采用ROOT ZX根管长度电测仪在干、湿两种根管状态下进行根尖位置的探测，根管充填后，根据X线片影像确定根管长度电测法的准确性。

The simulation results of filling pressure and the experimental results of semiso- lid brake pump casting show that semisolid casting filled along the radial presents good forming quality.

半固态刹车泵体两种入流形式的充填压力模拟分析与实际成形结果表明，径向入流方式具有较高的成形质量。

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