To study the adsorption of Weihui medical stone in different materials so that the medical stone resources can be better exploited.
2
目的：了解分析卫辉市部分老年糖尿病患者牙周炎、牙列缺损和牙列缺失情况。
Objective: To evaluate the periodontitis, dentition defect and edentulous jaw status of old patients with Diabetes Mellitus in Weihui.
3
针对吉林油田固井设计施工需要，河南省卫辉市化工有限公司对原有的G203进行了调整。
Based on requirements of cementing job in Jilin oilfield, Chemicals Corporation Limited in Weihui City of Henan Province made adjustment on G203, its original low density early strength additive.
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