前后的

Methods There are 100 patients and 100 healthy adult people being tested by amplaid 455 puretone Audiometer.

用amplaid 455型纯音测听仪对100名听力障碍者及100名正常人进行纯音听阈测试并进行听阈值实验前后的比较与分析。

Methods There are 100 patients and 100 healthy adult people being tested by amplaid 455 pure??tone Audiometer.

用amplaid 455型纯音测听仪对100名听力障碍者及100名正常人进行纯音听阈测试并进行听阈值实验前后的比较与分析。

Observed the clinical efficacy,bacteriological changes and adverse reactions before and after the treatment.

观察治疗前后的临床疗效、细菌学变化和不良反应。

Around 600 AD, in Sui Dynasty, Block Printing was invented.

大约在公元600年前后的隋朝，人们从刻印章中得到启发，在人类历史上最早发明了雕版印刷术。

Objective To explore the change of brain cell ultrastructure and mitochondrial respiratory chain function in middle cerebral artery occlusion rats.

目的 研究大鼠脑细胞超微结构及脑组织线粒体呼吸链功能在局灶性脑缺血前后的变化。

It was pointed out that such problems as high recycling water temperature, bad cooling effect in methanol synthesis, high carbonizer temperature and incomplete absorption of ammonia, etc., existed in the conventional process.

分别介绍了天九化工有限公司合成氨生产装置冷却系统改造前后的工艺流程，指出原工艺流程存在循环水温度高、甲醇合成冷却效果差、碳化塔温度高、氨吸收不完全等问题。

Objective The therapeutic effect of microwave cauterization before or after metal stent implantation for stricture from esophageal cancer was summed up.

目的 探讨微波在食管贲门癌性狭窄安置金属支架前后的治疗作用。

Objective To analyze the chemical components of clove oil before and after β-cyclodextrin inclusion.

目的 对β-环糊精包合前后的丁香油组分进行分析。

The comparison of IR spectrum and X-ray diffraction and waxy crystal size for paraffin, gum ,and asphaltene before and after treatment was made.

用降凝降粘剂EVA+AA处理高蜡原油，并对原油处理前后的石蜡、胶质、沥青质进行红外特征吸收峰、X射线衍射峰以及蜡晶尺寸变化研究。

Through these tests we understand the rule of stress state and fracture regularities of the orifice structure before and after cracking of concrete and obtain a large number of test data They provide basis for establishing numerical model and design method.

通过试验，得到了孔口结构在混凝土开裂前后的受力状态和破坏规律，为建立数值模型和配筋方法提供了依据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。