据南丹麦大学的埃尔维斯·格波·徐介绍，一次性口罩是塑料制品。
According to Elvis Genbo Xu from the University of Southern Denmark, disposable masks are plastic products.
介绍了聚氯乙烯生产原料氯乙烯及聚氯乙烯树脂的生产技术进展情况，探讨了聚氯乙烯制品的品种及应用领域。
The progress in the production technology for PVC resin and its raw material vinyl chloride were introduced, and the varieties and application field of PVC products were discussed.
本文对猕猴桃浓缩果汁、果粉、果晶、果酱、果冻、罐头、果脯等7种制品的工艺流程和操作要要点作了介绍。
The present paper introduces the technological processes and key points of7processing products including concentrated fruit juice powder fruit grain jam jelly can and preserved fruit in kiwifruit.
重点介绍俄罗斯新研制的几种有代表性的橡胶助剂及其在制品行业中的应用。
Some kinds of Russion representative rubber agents developed in recent years and its application in rubber-product industry were introduced in this paper.
我方借此机介绍，我公司为专门经营皮革制品的出口商。
We take the opportunity to introduce our company as exporters dealing exclusively in leather goods.
在分析玻璃钢特点的基础上，介绍了玻璃钢制品的可靠性设计、生产和管理方法。
Based upon the analysis of the FRP characteristics, methods for design, manufacture and management of reliability of FRP products are introduced.
介绍了各种常用塑料制品的涂装和涂装过程中出现的问题及解决方法。
Coatings of various plastic products in common use, problems occurred in coating process and related solutions are introduced.
介绍了注塑制品翘曲变形的原因及其规律。从模具结构、成型工艺、强制定型等方面，列下了避免翘曲变形的措施。
The cause and rule of warpage in the injection-moulding products was introduced. It listed the guarding measures in mold structure, molding technology and forced patterns against warpage.
本文介绍了开发该制品所用的渐变型衣架式机头流道的结构设计和计算。
This article introduced the structure design and the computation of nose flow with tapered clothes rack type for developing the product.
本文介绍GFRTP制品的生产过程及其应用情况。
This paper introduces the production process and application of GFRTP products.
介绍线材制品在使用过程中可能出现形变马氏体的情况。
To introduce the situation of possible occurrence of deformation martensite in the course of application of wire rod products.
介绍摩阻材料制品工况特点和材料的增强要求。讨论树脂基摩阻材料。
This paper introduces the working features of friction material products and their requirements for reinforcement, with resin matrix friction material particularly discussed.
介绍了研究注塑制品出模后翘曲变形的几种方法和思路，并且比较、分析了各种方法的特点。
This study introduces several methods to calculate the warped deformation of the injected part after ejection, then compares the feature of each method.
介绍了聚氨酯弹性制品筛板、实心轮、旋流器在矿山中的实际应用。
The applications of polyurethane products included screen plates, solid tyres, spinners in the mine were reviewed.
同时介绍了纳他霉素在肉制品的应用。
And the application of Natamycin in meat products was referred.
通过和传统的蛋白质类生物制品分离方法进行比较，介绍了膜分离技术在蛋白质类物质分离和提纯中的应用。
The text introduced the barrier separation technology in the separation and purification of protein substances through compared with traditional protein separation methods.
以聚氨酯制品为例，介绍了制品快速加工的实验过程，并对制品的尺寸精度、加工时间和加工成本等进行了分析。
The rapid product processing is introduced by taking an example of polyurethane product and the products' dimensional precision and processing cycle and cost analyzed.
对汽车用橡胶制品的特点及发展趋势作了较系统的介绍。
Also presented systematically are characteristics of the automotive rubber products and the trends of the development.
介绍了肉制品保藏中常用的食品的添加剂的功能特性及其应用。
This article introduces the function and application of food additives the preservation of meat products.
本文介绍了国内聚烯烃塑料制品的产量与分布、产品分类和应用领域，并叙述了发展前景。
The output and distribution, product classfication and application of polyolefins plastics products in China were introduced in this paper, and the developing prospects were described as well.
为了大力推广益生菌和益生元，介绍了日本益生菌制品、益生元、灭活细胞粉及对它们的管理情况。
In order to promote probiotic bacteria and probiotics, Japanese probiotic products, probiotics, inactivated cell powder and their management were introduced.
介绍了软木制品的概况、软木的性能、软木工业的现状及发展前景。
The performance of cork, general information of cork products, and current status and development of cork industry are introduced.
本文简要介绍了用于塑料制品喷涂前的真空等离子表面处理技术。
This paper briefly introduces vacuum plasma surface treatment technique for plastic products pretreatment.
分析了利用粉煤灰制备微晶玻璃制品的意义，介绍了粉煤灰制备基础玻璃的原理、工艺和技术。
This paper presents the significance of the glass-ceramics products prepared with fly-ash and introduces the principle, technology and techniques for preparing the basic glass with fly-ash.
主要介绍了肉制品的防腐措施与复合防腐剂的应用。
In this paper, meat preservative measures and application of complex preservative were introduced.
本文详细介绍了RTM夹芯制品成型技术及其在汽车上的应用。
This paper introduces RTM sandwich products and its application in automobiles.
本文详细介绍了RTM夹芯制品成型技术及其在汽车上的应用。
This paper introduces RTM sandwich products and its application in automobiles.
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