The article analyzed the factors affecting the working life of plaster mould during the period from preparation to application and emphasized the importance of extending the working life.
本文分析了卫生瓷石膏模型从制作到使用影响其使用寿命的各相关因素,强调了延长其使用寿命的重要性,相信对同行企业有一定的借鉴和指导作用。
This paper deals with the effect of adding polyvinyl alcohol (PVA),polyvinyl formal (PVA) and methyl cellulose (MC) on the performance of plaster mould.
研究了分别以聚乙烯醇 (PVA )、聚乙烯醇缩甲醛 (PVF)和甲基纤维素 (MC)为添加剂对石膏模型性能的影响。
Objective To study the influence of differnt disinfection methods on the disinfectant effect and accuracy for the plaster model of denture.
目的研究多种消毒方法对义齿石膏模型的消毒效果及尺寸精度的影响。
Utilizing the polymerization of organic materials and decomposition of inorganic materials,a high strength, wearable and porous thin coating on the working surface of plaster mold was formed, whichreduced the defects of roller forming and prolonged the service life of the mold.
利用有机物的聚合反应和无机物的低温分解反应，在石膏模型的工作表面形成高强、高耐磨、多孔的薄层，可减少滚压成形缺陷并提高模型使用寿命。
After correction,all the patterns were evaluated,so the best pattern was chosen and compared with the plaster cast and the relationship could be found.
为更加准确地定量分析旗袍空间省量分配和侧缝线的形态关系,以旗袍基本纸样为基础变化出5种不同的省量分配方案的纸样,制作成样衣并修正;对5种纸样进行了综合评价,将具有最好效果的纸样和石膏模型展开图覆合,分析了省量分配与侧缝形态的关系。
The present paper delt with the influence of several additives such as water reducing agent of N and colloidal silica on the performances including setting time and strength and absorption rate and attack rate of modle gypsum,.
研究了N型减水剂、硅溶胶等添加剂对模型石膏凝结时间、强度、吸水率、溶蚀率等性能的影响,并确定了有关性能与添加量之间的关系,得出了最佳添加量。
Practice taking impression for plaster models two pairs,?
练习取印模、灌石膏模型二付，装石膏托。
mould(eg for a small statue)made of plaster
石膏模型（如做小塑像的）.
A bridge made in the dental laboratory on plaster models.
要做桥梁修复的牙齿要做成石膏模型。
The Study of Effects of Gypsum Surface Hardener on Dental Stone;
石膏表面硬化剂对超硬石膏模型机械性能影响的研究
Preliminary Research on Synthesis of a Kind of Dental Gypsum of Molding Materials;
一种口腔石膏模型材料合成的初步研究
Effect of Microwave Disinfection on Linear Dimensions of Plaster Model of Teeth
微波消毒对牙体石膏模型线性尺寸影响的研究
Problems Needing Solution in Plaster Casting
产品石膏模型制作过程中应解决好的几个问题
Study on the Influence of Disinfection Methods on the Properties of Stone Models and the Disinfection Effect;
不同消毒方法对石膏模型性能的影响及消毒效果的实验研究
Influence of different expansion coefficient plaster cast material on resin denture accuracy
不同膨胀系数石膏模型材料对树脂义齿精度影响的研究
The making of such a mold or cast, as with plaster of Paris.
制印模用石膏对这种模型或模子的制作，如用巴黎的石膏
mould (excl. of graphite or other carbon and of ceramics or glass) for plaster, staff or stucco aritcles
石膏、石膏水泥或熟石膏制品用型模（石墨或其他碳及陶瓷或玻璃除外）
A cast of her face made in plaster.
用石膏做出她的脸部模型
Study on the Fusible Plaster Mold Cast Process of High Al Zinc Alloy
富铝锌合金石膏型熔模铸造工艺的研究
Rp Based Rapid Mould Manufacturing Techniques Using Plaster Casting;
基于快速成形技术的石膏型快速模具制造技术
The Economics Model on Gypsum Mine Reasonable Exploitation Level and Range;
石膏矿矿井合理开采深度及范围的经济模型
The Development of Plaster Rapid Metal Mould on RT Technology;
基于RT技术的石膏型快速金属模具的研制
Effects of Qingshi Cream on chronic dermatitis-eczema in mice
青石软膏对小鼠慢性皮炎-湿疹模型的影响
industrial mould of plaster or compositions based on plaster
工业模具,石膏或以石膏为基料的合成物制